JPH0552338A - Cooking temperature control device - Google Patents

Abstract

PURPOSE:To enable a superior grilled food to be attained under a strong heat and further to enable a user to make a tasty cooking such as grilled food without any ignition of oil. CONSTITUTION:A selection key 14 is operated to select a grilled cooking and then an input of the selection key is detected by an input sensing circuit 17. An upper limit temperature determining circuit 18 sets an upper limit temperature to the first upper limit temperature and at the same time a cooked item 27 is heated by a heating means. Concurrently, a bottom surface temperature of a broiling net 10 or the like is detected by a temperature sensor 7. In the case where the cooked item 27 is judged as a broiling one by the upper limit temperature determining circuit 18, the upper limit temperature is changed to the second upper limit temperature. As the temperature of the temperature sensor reaches the second upper limit temperature, the heating means is stopped in its operation by the output control circuit 20. A broiling cooking is automatically judged even when the broiling cooking is selected and set and the superior broiling can be performed under a strong fire even if the item is heated under the maximum heating calorie.

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 sets 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 a conventional temperature control device for cooking of this kind,
For example, as disclosed in Japanese Examined Patent Publication No. 2-8217, a heat quantity adjusting valve, a heat quantity adjusting circuit, or the like is used to reduce or stop the heat quantity when the sensor temperature reaches a certain temperature. 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 because it is baked at a low temperature for a long time, the moisture inside the cooked item such as fish is reduced, and the outside is carat inside it is juicy and good finish did not become.

[0004]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention According to the present invention, without using a relatively expensive calorie control valve or calorie control circuit, the cooked dish is automatically determined even when the cooked dish is selected and set with an inexpensive structure. 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 heating means for heating an object to be cooked, a temperature sensor for contacting the bottom surface of a grill or the like for baking and detecting its temperature, 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 cooked food, 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 predetermined temperature gradient of the 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 from 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 food to be cooked, and at the same time, the temperature sensor. When the bottom surface temperature of the grill or the like is detected by the upper limit temperature determination circuit and 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 changes to the second value. When the upper limit temperature is reached, the output control circuit stops the heating means to prevent overheating of the food.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment according to the present invention will be described first with reference to FIG. 1. (1) is a gas table body, and a pair of ring-shaped burners for a stove (2) (2) which are heating means are provided on the left and right of the upper surface. A grill (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) installed in the grill (3). Ignition button (4) (4) (4) for blinking operation of
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 the pot, grill (10), etc. are placed on the bottom, they contact the bottom of these and detect the temperature as an analog value, and are constantly urged 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 setting and selecting "baked" by placing fish etc. 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) that detects the blinking operation of the ignition buttons (4) and (4) and the temperature of the temperature sensors (7) and (7) are used to stop the combustion of the stove burners (2) and (2). 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 determining circuit (18) includes an inclination detecting section (21) for detecting the temperature inclination from the temperature sensors (7) (7).
And an automatic determination section (22) for automatically determining cooking contents by comparing and calculating the temperature gradient from this inclination detection section, and an upper limit temperature for determining or changing the upper limit temperature according to the determination result of this automatic determination section. It is mainly composed of a judging section (23).

The output control circuit (20) also has a solenoid valve control section (24) for driving a 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 cooked food such as 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.

Further, the upper limit temperature judging section (23) sets the upper limit temperature to a first upper limit temperature (for example, 307 ° C.) according to the input of the selection key (14) by the input detection circuit (17).

After the above cooking is started, the temperature sensor (7)
By means of the inclination detection unit (21), for example, a predetermined temperature range TA to TB (for example 160 to 17) set in advance as 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 section, based on the above determination, the upper limit temperature is set and changed from the first upper limit temperature to the second upper limit temperature (eg 330 ° C.) higher than this,
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).

When the temperature of the temperature sensor (7) reaches the first upper limit temperature and the second upper limit temperature, the display / buzzer control unit (26) sounds the buzzer (25), It informs the user that the temperature of the cooked food has risen too much, and prompts the user to operate the controller (6) to lower the heating amount, which causes the burner (2) for the stove due to reaching the upper limit temperature during cooking. ) (2) fire extinguishing can be prevented.

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

When the temperature detected by the temperature sensors (7) and (7) at the start of cooking by operating the ignition buttons (4) and (4) is in the middle of 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.

Further, when the display / buzzer control section (26) rises in temperature near the first or second upper limit temperature,
Since the notification buzzer (25) sounds at a temperature slightly lower than each upper limit temperature (for example, about 10 ° C lower), the user can know in advance that the temperature is too high. Yes, you can adjust the amount of heat before extinguishing the burner.

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 being cooked, "yakimono" is controlled by the above control depending on the type, material, shape, etc. of the grill.
If it is not determined that the temperature has reached this temperature by setting the first upper limit 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 fish or the like, even if the maximum amount of heat is applied, the grilling of the baked food is performed. By automatically determining and setting the upper limit temperature suitable for cooking, you can make good baking with high heat and heat 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 an essential part of the present invention during cooking of baked goods.

[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.

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 baking to detect its temperature, and a control for controlling the heating means based on a temperature detected by the temperature sensor. An input detection circuit for detecting the 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 in the temperature range of 2nd and higher than this 1st temperature range
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 if it is determined from the result of the calculation that the food to be cooked is baked, the upper limit temperature is set to the first upper limit temperature.
2. The cooking temperature control device according to claim 1, wherein the upper limit temperature is changed to a second upper limit temperature higher than the upper limit temperature. 4. The output control circuit, wherein the temperature of the temperature sensor is lowered 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 the temperature reaches a temperature lower than a predetermined temperature, 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.