JPH0810056B2 - Cooking temperature controller - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention heats a baked product with a heating means such as a burner for a stove, detects the temperature of the baked product with a temperature sensor, and controls the heating means at a temperature suitable for cooking. The present invention relates to a cooking temperature control device for controlling.

[0002]

2. Description of the Related Art In the conventional temperature control device for cooking of this kind,
For example, as shown in Japanese Examined Patent Publication No. 2-8217, the calorie control valve, the calorie control circuit, or the like reduces or stops the calorific value when the sensor temperature reaches a certain temperature, and when the sensor temperature decreases to a certain temperature, the calorific value is again reduced. Increasing or supplying it to cook baked goods.

Further, since there is no function for automatically determining the type of food to be cooked, the upper limit temperature at which the heat source is stopped is lowered to the ignition prevention temperature when oil such as fried food is heated by the user's mistake. Since it is fixedly set, it is not possible to secure the high heat required for the pottery, and since it is grilled at a low temperature for a long time, the moisture inside the cooked item such as fish is reduced, and the outside is carat for a juicy good finish did not become.

[0004]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention The present invention does not use a relatively expensive calorie control valve or calorific control circuit and has an inexpensive structure and automatically determines the cooked dish even when the cooked dish is selected and set. However, even if it is heated with the maximum amount of heat, the purpose is to enable good baking with high heat.

[0005]

The present invention is based on a heating means for heating an object to be cooked, a temperature sensor for detecting the temperature of a grill such as a grill for performing baking, and the temperature detected by the temperature sensor. A control circuit for controlling the heating means, the control circuit comprising: an input detection circuit for detecting an input of a selection key for selecting cooking of the baked product; and a heating means when a key input is detected by the input detection circuit. Is set to a preset first upper limit temperature, and from the information of the temperature sensor, a temperature gradient of a predetermined first temperature range and a second temperature higher than the first temperature range are set. When the temperature gradient of the temperature range is compared and calculated, and the food to be cooked is determined to be baked based on the calculation result, the upper limit temperature is changed from the first upper limit temperature to the second upper limit temperature higher than that. When the temperature of the temperature sensor, when it reaches the first or second upper limit temperature, and is characterized in that the arrangement and an output control circuit for stopping the heating means.

[0006]

When the selection key is operated to select the grilled dish, the upper limit temperature determining circuit sets the upper limit temperature to the first upper limit temperature, and the heating means heats the object to be cooked, and at the same time, the temperature sensor. Detects the bottom surface temperature of the grill, etc., and when the upper limit temperature determination circuit determines that the food to be cooked is the grilled product, the upper limit temperature is changed to the second upper limit temperature, and the temperature of the temperature sensor is set to the second value. When the upper limit temperature is reached, the output control circuit stops the heating means to prevent the cooked object from overheating.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment according to the present invention will be described first with reference to FIG. A grill burner (3) is mounted below the burner for the stove, and is attached to the front of the burner (2) (2) for the stove and the grill burner (not shown) mounted in the grill (3). Ignition button (4) (4) (4), which blinks
And the operation panel (5), and the burner for the stove (2)
(2) and controllers (6), (6) and (6) for manually adjusting the combustion amount of the grill burner are arranged.

As shown in FIG. 2, (7) and (7) indicate the temperature of the thermistor or the like installed in the vent holes (8) and (8) formed in the center of the burner for stove (2) and (2). Gotoku (9) detachably attached around the burner (2) (2) for the stove with a sensor.
(9) When a pot, grill (10), etc. are placed on top of them, they detect the temperature by touching the bottom of these, and are constantly biased upward by a spring (not shown). There is.

Further, as shown in FIG. 2, the operation panel (5) has a two-digit digital display (11) and five bar-shaped L's.
A temperature indicator (13) consisting of EDs (12) (12) ..., and a selection key (14) for selecting and setting the "baked dish" for cooking fish by placing it on the grill (10) etc. are arranged. ing.

On the other hand, in FIG. 2, reference numeral (15) is a control circuit, which is an A / D conversion circuit (16) for converting the analog value of the temperature sensor (7) (7) into a digital value and the selection key (14). input,
The input detection circuit (17) for detecting the blinking operation of the ignition button (4) (4) and the temperature of the temperature sensor (7) (7) are used to stop the combustion of the burner (2) (2) for the stove. An upper limit temperature determining circuit (18) for determining or changing the upper limit temperature, and an output control circuit (20) for controlling a solenoid valve (19) for controlling fuel supply to the stove burners (2), (2) It mainly consists of.

The upper limit temperature determination circuit (18) includes an inclination detector (21) for detecting the temperature inclination from the temperature sensors (7) and (7).
And an automatic determination unit (22) for automatically calculating cooking contents by comparing and calculating the temperature gradient from the inclination detection unit, and an upper limit temperature for determining or changing the upper limit temperature according to the determination result of the automatic determination unit. It is mainly composed of a judging section (23).

The output control circuit (20) also has a solenoid valve control section (24) for driving the solenoid valve (19) according to the output of the upper limit temperature determination circuit (18), and the digital display (11). ), A temperature indicator (13), a display / buzzer controller (26) for driving a buzzer (25) and the like.

Thus, when cooking "baked products", as shown in FIG.
As shown in, the grill (10) on which the food to be cooked such as the fish (27) is placed is placed above the Gotoku (9) (9), and the stove burner is placed.
(2) After operating the ignition button (4) of (2) to ignite the burner and start heating, press the selection key (14) that sets "baked" on the operation panel (5) To be selected.

When the input operation of the selection key (14) by the input detection circuit (17) is detected, the upper limit temperature determination unit (23) determines that the grilled food is selected and the upper limit temperature is set to the first upper limit. Set to temperature (eg 307 ° C.).

After the above cooking is started, the temperature sensor (7)
By means of the inclination detection unit (21), for example, a preset predetermined temperature range TA to TB (for example 160 to 17) shown in FIG.
0 ° C), TE-TF (for example 250-260 ° C), TC-
TD (for example, 290 to 298 ° C.) temperature gradient t0 (time required for temperature rise), t1 and t2 are detected, and the automatic determination unit (22) compares and calculates, for example, t2> 4 × t0,
If this condition is satisfied, it is determined to be "baked" cooking using the grill (10), and this is output to the upper limit temperature determination unit (23).

Therefore, in this upper limit temperature determination unit, the upper limit temperature is set and changed from the first upper limit temperature to the second upper limit temperature (for example, 330 ° C.) higher than this, based on the above determination,
When the temperature of the temperature sensor (7) reaches the second upper limit temperature, the electromagnetic valve control section (24) closes the electromagnetic valve (19) to stop the combustion of the stove burner (2).

[0017]

On the other hand, in the above-mentioned automatic judging section (22), "yakimono"
If it is not determined that the temperature of the temperature sensor (7) reaches the first upper limit temperature, the solenoid valve control unit (24) closes the solenoid valve (19), and, for example, tempura cooking is mistakenly performed. However, prevent fire.

When the temperature detected by the temperature sensors (7), (7) at the start of cooking by operating the ignition buttons (4), (4) is in the predetermined temperature range TA to TB or higher than that, Since the above t0 cannot be measured, the predetermined temperature range TE ~
Based on the time t1 required to reach TF, t2> 2 × t1
Compute and calculate, and if this condition is met, grill (10)
It is determined that the "cooking" is cooked using, and is output to the upper limit temperature determination unit (23) in the same manner as above.

Furthermore, when the display / buzzer control unit (26) rises in temperature to the vicinity of the first or second upper limit temperature, the display / buzzer control unit (26) outputs a temperature slightly lower than each upper limit temperature (eg, about 10 ° C.).
Since the buzzer (25) for notification is sounded at low temperature, the user can know in advance that the temperature is too high, and adjust the heating amount before extinguishing the burner. I can do things.

Further, the amount of heat is reduced by the notification by the buzzer 25, and the temperature of the temperature sensors 7, 7 is lowered by a predetermined temperature (about 8 ° C. in the embodiment) as shown in FIG. 4, for example. When,
In any case, the buzzer (25) is stopped.

Even if "yakimono" is cooked, "yakimono" is controlled by the above-mentioned control depending on the type, material, shape, etc. of the grill.
If it is not determined that the first upper limit temperature is set, when the temperature reaches this temperature, the buzzer (25) notifies the user, and at this time, the user reduces the heating amount and the temperature sensor ( 7) When the temperature of (7) falls by a predetermined temperature (about 8 ° C. in the embodiment), the buzzer (25) is stopped.

[0023]

According to the configuration of the present invention, when the user selects "yakimono" cooking by operating the selection key and is cooking a fish or the like, even if the maximum amount of heat is applied, the yam cooking is performed. By automatically determining and setting the upper limit temperature suitable for cooking, you can make good baking with high heat and heat the oil etc. accidentally put in the container after selecting "baking" cooking Even if this is detected and the upper limit temperature is set low, the oil does not ignite, and the user can comfortably complete the cooking of the pottery, etc. without anxiety.

[Brief description of drawings]

FIG. 1 is a perspective view of a gas table using the present invention.

FIG. 2 is a block diagram of the present invention.

FIG. 3 is a temperature characteristic diagram during cooking of baked goods showing the present invention.

FIG. 4 is a temperature characteristic diagram of a main part during cooking of baked goods showing the present invention.

[Explanation of symbols]

 2 Burner for stove 7 Temperature sensor 10 Grill 14 Selection key 15 Control circuit 17 Input detection circuit 18 Upper limit temperature determination circuit 20 Output control circuit 25 Buzzer

Continued Front Page (72) Inventor Yoshifumi Ozaki 3 201 Minamiyoshikata, Tottori City, Tottori Prefecture Tottori Sanyo Electric Co., Ltd. (56) Reference JP-A-4-244517 (JP, A)

Claims (4)

[Claims] 1. A heating means for heating an object to be cooked, a temperature sensor for contacting a bottom surface of a grill or the like for performing grilling and detecting its temperature, and a control for controlling the heating means based on the temperature detected by the temperature sensor. A circuit including an input detection circuit for detecting an input of a selection key for selecting grilled food, and an upper limit for stopping the heating means when a key input is detected by the input detection circuit. The temperature is set to the preset first upper limit temperature, and the preset first upper limit temperature is set from the information of the temperature sensor.
Temperature gradient of the temperature range of the
The temperature gradient of the temperature range of the above is compared and calculated, and when it is determined from the calculation result that the food to be cooked is the baked one, the upper limit temperature is changed from the first upper limit temperature to the second upper limit temperature higher than the upper limit temperature. A cooking temperature control device comprising a temperature determination circuit and an output control circuit for stopping the heating means when the temperature of the temperature sensor reaches the first or second upper limit temperature. 2. The output control circuit is configured to sound a buzzer when the temperature of the temperature sensor reaches a temperature lower than the first or second upper limit temperature by a predetermined temperature. The temperature control device for cooking according to claim 1, wherein 3. When the initial temperature at the start of cooking is the first temperature range or higher than the first temperature range, the upper limit temperature determination circuit uses the temperature gradient of the second temperature range and the first temperature range. When the temperature gradient of the third temperature range determined in advance to a temperature range that is higher than the second temperature range is compared and calculated, and it is determined from the calculation result that the food to be cooked is the baked product, the upper limit temperature is set to the first upper limit temperature.
2. The cooking temperature control device according to claim 1, wherein the temperature control device for cooking is configured to be changed from the upper limit temperature of No. 2 to the second upper limit temperature higher than that. 4. The output control circuit, wherein the temperature of the temperature sensor decreases before the temperature of the temperature sensor reaches the first upper limit temperature while the buzzer is ringing, and the buzzer starts to ring. When a temperature lower than a predetermined temperature is reached, the buzzer is stopped and the upper limit temperature of the upper limit temperature determination circuit is changed to the second upper limit temperature and set. The temperature control device for cooking according to claim 2.