KR20050033125A - Cooking temperature control method of a cooker - Google Patents

Abstract

A cooking temperature control method of a cooker is provided to cook food properly, and to prevent food from get scorched or a container from being burned by turning on and off a heater according to cooking temperature. A cooker is turned on(S11), and a first heater and a second heater are turned on for cooking by selecting food through a food selection button of a key input unit(S12,S13). Cooking temperature is measured by a temperature sensor, and compared with a first predetermined temperature(S14). The first heater and the second heater are turned off to decrease cooking temperature in case of cooking temperature to be over the first predetermined temperature(S15). Cooking temperature is measured at regular intervals and compared with the first predetermined temperature(S16). The first heater is turned on, and the second heater is turned off to increase cooking temperature in case of cooking temperature to be less than the first predetermined temperature(S17). The mode is converted to keep food warm in case of remaining cooking time to be zero(S18,S19).

Description

Cooking temperature control method of a cooker

The present invention relates to a method for controlling the cooking temperature of a cooker, and in particular, in a cooking in which maintaining a specific temperature is an important factor of cooking, it is possible not only to maintain a constant cooking temperature during cooking, but also to increase the cooking temperature higher than the specific temperature. It relates to a cooking temperature control method of the cooker to prevent the cooker from overheating during cooking.

In general, a cooker is a general term for all cooking utensils using electric heating heaters. Recently, the speed of spreading is gradually accelerated due to the advantage that MICOM can be used to conveniently control food cooking. It is becoming. Among them, a slow cooker is a cooker that heats food for a long time while minimizing the destruction of nutrients, and is suitable for cooking various fermented foods such as steamed, yogurt and cheonggukjang and boiled eggs.

When the cooker selects the cooking type displayed on the key input unit installed on the front side, the cooker (hereinafter referred to as 'cooker') automatically determines the cooking time and temperature of the desired dish and then controls the cooking time and temperature. It can save the user's effort and time because the delicious dishes can be completed without any special effort.

1 is a side cross-sectional view showing a typical cooker.

There is a main body 10 of the cooker and a lid 12 covering the same, and a control panel 16 having a key input unit and a display unit for a cooker operation is provided at the front part of the cooker main body 10. There is a main heater 14a for supplying heat from the bottom of the cooker and a band heater 14b for supplying heat from the side of the cooker to determine the height of the cooking temperature during cooking, and is connected to the control panel 16. A power source 18 for supplying power to the cooker is provided.

After the food is put in the container of the cooker body 10, pressing the power button provided in the control panel 16 is switched to the preparation mode for cooking while power is supplied to the cooker through the power source 18. Thereafter, the cooking type, cooking time, cooking temperature, and the like are determined by manipulating the cooking, time, and temperature buttons provided in the control panel 16. Accordingly, the main heater 14a, the band heater 14b, and the like are determined. To complete the dish by heating the food.

The cooking temperature is controlled by turning on, turning down, or turning off the main heater 14a and the band heater 14b. When the main heater 14a and the band heater 14b are turned down to lower their temperature, and when cooking at a high temperature, both the main heater 14a and the band heater 14b are turned on and high Maintain the temperature.

On the other hand, fermented foods such as yogurt or cheonggukjang is important to maintain a constant cooking temperature during cooking. Fermented foods must be kept at a low temperature for a long time to produce a proper taste. In the case of a conventional cooker, even if the cookers are cooked by turning down the heaters to maintain the cooking temperature at a low temperature, as the heater passes over time, The accumulation of heating causes the problem that eventually the food is cooked at a temperature higher than the desired temperature, thereby failing to taste as desired.

This problem also occurs when food is to be cooked for a long time, such as steaming, in addition to fermented foods such as yogurt and cheonggukjang, and when the food is cooked for a long time, the heater is continuously turned on as much as the cooking time. The food is supplied with overheated heat. As a result, food may stick to the cooker container to prevent proper cooking or burn the cooker's inner container to shorten the life of the cooker.

An object of the present invention is to maintain the cooking temperature at a constant temperature for a long time in the case of cooking that needs to be cooked for a long time at a constant temperature, the food is steamed or the inner container of the cooker burned so that the cooking temperature does not rise above a certain temperature, etc. It is to provide a cooking temperature control method of the cooker that can prevent the problem occurs.

In order to achieve the above object, the cooking temperature control method of the cooker according to an embodiment of the present invention, the step of selecting the cooking, the step of turning on the first and second heater to proceed with the cooking temperature, Comparing the first set temperature, and if the cooking temperature is greater than the first set temperature, after turning off the first and second heaters, and if the cooking temperature is not greater than the first set temperature. Immediately checking whether the cooking temperature is less than the first set temperature, comparing the re-measured cooking temperature with the first set temperature, and when the re-measured cooking temperature is less than the first set temperature. If the first heater is turned on and the second heater is turned off, if the cooking temperature is not smaller than the first set temperature, the step of checking whether the remaining time is "0" and the remaining time are "0" Cases, and automatically switch to a warm mode, when the remaining time is not "0" yen characterized in that it comprises the step of proceeding to the repeated after comparing the cooking temperature and the first set temperature.

In this case, the cooking is a dish that tastes properly when the cooking temperature is maintained at a constant temperature, for example, yogurt or cheonggukjang, and the first set temperature is preferably 40 ° C.

In order to achieve the above object, the cooking temperature control method of the cooker according to another embodiment of the present invention, the first and / or second heater is turned on in accordance with the step of setting the cooking temperature and the cooking temperature is set cooking. And a step of turning off the first and second heaters to reduce the overheated cooking temperature when the measured cooking temperature is greater than the second set temperature.

In this case, before the setting of the cooking temperature, the method may further include setting a cooking time, and after lowering the overheated cooking temperature, it is determined whether the remaining cooking time is “0” and the cooker is “0”. To automatically switch to the keep warm mode, and if it is not "0", the first and / or second heaters are turned on to proceed with cooking, and further comprising repeating the subsequent steps. Preferably, the second set temperature is preferably 98 ° C.

Therefore, according to the cooking temperature control method of the cooker according to the present invention, a heater is provided when the cooking temperature is greater than the first set temperature after comparing the cooking temperature measured by the temperature sensor with the first set temperature. When the turn-off and the cooking temperature is lower than the first set temperature, the cooking temperature can be kept constant for a long time by repeating the process of turning on the heater, so that food cooking such as yogurt or cheonggukjang can be appropriately performed. In addition, since the cooking temperature can be controlled so as not to be higher than the second set temperature, problems such as sticking of food or burning of the cooker's container due to heating of the heater can be solved when cooking for a long time.

Hereinafter, with reference to the accompanying drawings, it will be described in more detail the cooking temperature control method of the cooker according to the present invention.

2 is a schematic diagram showing an internal configuration of a cooker according to the present invention having a temperature sensing unit, wherein the inside of the cooker is largely divided into a key input unit 20, a display unit 21, a control unit 22, and a temperature sensing unit ( 23), the power supply unit 24 and the heater 25.

The key input unit 20 is for a cook to input cooking conditions, for example, is provided with a time button, a temperature button, a cooking selection button, and the like. The display unit 21 is for displaying a cooking state. It consists of a numeric indicator (FND) that displays various lamps and time.

When one of the buttons constituting the key input unit 20, for example, a temperature button (not shown) is pressed, the power supply unit 24 supplies power to the heater 25 by a command of the control unit 22. The heater 25 is comprised of the 1st heater 25a and the 2nd heater 25b, and can control cooking temperature by controlling the turning on and off of these heaters. For example, when the cooking temperature is selected as "weak", only the second heater 25b may be turned on to heat food, and the cooking may be performed at a low temperature. When the cooking temperature is selected as "strong", the first and second may be cooked. By turning on both heaters 25a and 25b, cooking can proceed at high temperatures.

The turn-on and turn-off of the heaters are controlled by the controller 22, and the power supply unit 24 does not supply power to the heater 25 by the command of the controller 22. At this time, the display unit 21 displays the type of cooking, cooking temperature, cooking time, etc. with various lamps and numeric indicators to inform the user of the progress of cooking.

The temperature sensing unit 23 measures the temperature of the cooker at the time of cooking. For example, the temperature sensing unit 23 uses a temperature sensor whose resistance value varies depending on a temperature such as a negative temperature coefficient of resistance (NTC) thermistor.

When the cooker needs to cook while maintaining a constant temperature for a long time such as yogurt or cheongukjang cooking, the temperature sensor of the temperature sensing unit 23 measures the cooking temperature of the cooker at a preset time interval and then controls the value thereof. When input to, the controller 22 compares the cooking temperature with the preset first set temperature. After the comparison, when the cooking temperature is higher than the first set temperature, for example, 40 ° C., the controller 22 controls the power supply 24 to turn off the first and second heaters to lower the cooking temperature, and the cooking temperature. Is lower than the first set temperature, the controller 22 controls the power supply unit 24 to turn on one of the first and second heaters to increase the cooking temperature.

When cooking, if the comparison of the cooking temperature and the first set temperature as described above, and the turn-off and turn-on process of the heaters are repeatedly performed, the cooking temperature does not take off near the first set temperature even after a long time. Therefore, even if cooking is performed for a long time, the problem that the cooking temperature rises above the desired temperature due to overheating of the heater does not occur.

On the other hand, when the cooker performs a general dish such as steaming or grilling, the temperature sensor of the temperature sensing unit 22 measures the cooking temperature of the cooker at a preset time interval, and then the value is transmitted to the controller 22. When input, the controller 22 lowers the cooking temperature by turning off the first and second heaters by controlling the power supply unit 24 when the cooking temperature is higher than a second preset temperature, for example, 98 ° C., When the cooking temperature is lower than the second set temperature, the cooking is continuously performed without otherwise manipulating the states of the heaters. Therefore, since the cooking temperature may be prevented from rising due to the overheating of the heater due to the increase in the cooking time, problems such as food sticking or burning of the inner container of the cooker may be solved.

3 is a flowchart illustrating a cooking temperature control method of the cooker according to an embodiment of the present invention, the temperature control when cooking a properly flavored dish to be maintained at a constant temperature for a long time, such as yogurt or Cheonggukjang Describe the method.

After turning on the power of the cooker (step S11) and pressing a dish selection button on the key input unit to select a dish such as yogurt or cheonggukjang (step S12), cooking is performed while the first heater and the second heater are turned on. (Step S13). Subsequently, the temperature sensor of the temperature sensing unit measures the cooking temperature at a preset time interval and compares the cooking temperature with a first set temperature, for example, 40 ° C. (step S14).

If the cooking temperature is greater than the first set temperature, the first heater and the second heater is turned off to lower the cooking temperature (step S15), and then the cooking temperature re-measured by the temperature sensor at a preset time interval. The process of comparing with the first set temperature is performed (step S16). In this case, when the cooking temperature is not greater than the first set temperature, the step S16 is directly performed without turning off the first heater and the second heater to lower the cooking temperature.

After the step S16, when the re-measured cooking temperature is lower than the first set temperature, the first heater is turned on and the second heater is turned off to raise the cooking temperature (step S17). Thereafter, it is determined whether or not the remaining cooking time is "0" (step S18), and in the case of "0", it automatically switches to the warming mode to keep the cooked food warm (step S19), and when it is not "0". The above step S14 comparing the Y cooking temperature with the first set temperature and the subsequent steps are repeated. At this time, when the re-measured cooking temperature is not lower than the first set temperature, the step S18 is directly performed without turning on the first heater to raise the cooking temperature.

According to the cooking temperature control method of the cooker according to an embodiment of the present invention, since the cooking temperature can be kept constant for a long time, it is suitable for cooking fermented foods such as yogurt and cheonggukjang.

4 is a flowchart illustrating a cooking temperature control method of the cooker according to another embodiment of the present invention, and describes a temperature control method when cooking a general dish such as steaming or roasting.

After turning on the power of the cooker (step S21), a manual cooking mode that selects a cooking time and temperature, etc., by hand (operation-operated) is selected by pressing the cooking selection button of the key input unit (step S22). Then, press the time adjustment button of the key input unit to set the cooking time between "0" ~ "12" time (step S23), and press the temperature adjustment button to set the cooking temperature of "strong" or "weak" ( Step S24).

After setting a cooking time and temperature, when a predetermined time, for example, about 5 seconds of waiting time elapses, the heater is operated and cooking is performed. At this time, for example, when the cooking temperature is "weak", only the second heater is turned on, and when the cooking temperature is "strong", both the first heater and the second heater are turned on (step S25).

Subsequently, the temperature sensor of the temperature sensing unit measures the cooking temperature at a preset time interval and compares the cooking temperature with a second set temperature, for example, 98 ° C. (step S26). If the cooking temperature is greater than the second set temperature, it means that the cooker is cooking in an overheated state, thereby turning off the first heater and the second heater to lower the overheated cooking temperature (step S27).

Thereafter, it is determined whether or not the remaining cooking time is "0" (step 28), and in the case of "0", it automatically switches to the warming mode to maintain the cooked dish at a warm temperature (step S29), and "0" is If not, the step 25 and subsequent steps of turning on the first and / or the second heater to proceed with cooking are repeated. At this time, when the cooking temperature is not higher than the second set temperature, the step S28 is directly performed without turning off the first and second heaters to lower the cooking temperature.

According to the cooking temperature control method of the cooker according to another embodiment of the present invention, when cooking the food by heating the food for a long time it can prevent the cooking temperature rises more than necessary by overheating of the heater, so that the food is pressed in the inner container This can solve problems such as sticking or burning of the inner container due to excessive heat.

5 is a flowchart illustrating a cooking method of the cooker using the cooking temperature control method of the cooker described with reference to FIGS. 3 and 4.

After the power of the cooker is turned on (step S31), the type of cooking is selected by pressing the cooking selection button of the key input unit (step S32). When the cooking selection button is pressed once (step S33), the cooking mode of the cooker is switched to the yogurt mode (step S34), and when pressed twice (step S35), it is switched to the cheongukjang mode (step S36). If it is pressed (step S37), it switches to the manual cooking mode (step S38), and if it is three or more times, it is selected again from the yogurt mode.

When the dish selection button is pressed once to switch to the yogurt mode, the yogurt lamp (not shown) of the display unit blinks to indicate that the cooker is waiting in the yogurt mode, and the numeric display unit (not shown) of the display unit is, for example, “4”. Flashing "indicates the time it takes to complete the yogurt. Then, for example, after the flashing time for 5 seconds, that is, the waiting time has elapsed (step S39), the cooking is started while the first heater and the second heater are turned on, and the yogurt lamp that was blinking is turned on and blinking. The numeric indicator lights up with the number "4" to indicate that cooking has started (step S40).

Meanwhile, when the cooking selection button is pressed twice to switch to the Cheonggukjang mode, the display shows that the cooker is waiting for the Cheonggukjang mode while flashing the Cheonggukjang lamp (not shown). It will blink and indicate the time it takes to complete Cheonggukjang. Subsequently, after the flashing time for 5 seconds, that is, the waiting time has elapsed (step 41), the cooking is started while the first heater and the second heater are turned on, and the flashing janggukjang lamp that is blinking is turned on and blinking. The numeric indicator lights up with the number "48" to indicate that cooking has started (step S42).

After starting the cooking of yogurt or cheongukjang, the temperature sensor of the temperature sensing unit measures the cooking temperature of the cooker at a preset time interval and transmits this value to the controller, which controls the measured cooking temperature and the preset first set temperature, For example, the process of comparing 40 ° C. is continuously repeated (step S43). Then, when it is determined that the cooking temperature is higher than the first set temperature, the cooking temperature is not increased above the required temperature by turning off the first heater and the second heater to lower the cooking temperature (step S44).

While cooking is in progress, the temperature sensor of the temperature sensing unit continues to measure and transmit the cooking temperature of the cooker to the controller at a predetermined time interval, and the controller is configured to input the cooking temperature and the first set temperature. In operation S45, when it is determined that the re-measured cooking temperature is smaller than the first set temperature, the cooking temperature is lowered below the required temperature by turning on the first heater to increase the cooking temperature. (Step S46).

At this time, when it is determined in step S43 that the cooking temperature is not higher than the first set temperature, the process proceeds directly to step S45 without proceeding to step S44. Likewise, in step S45, the cooking temperature is not lower than the first set temperature. If it is determined that the lock has been determined, the next step is performed without proceeding to step S46.

The numeric display of the display unit counters the cooking time and displays the remaining cooking time. When the numeric display shows “0”, the remaining cooking time is “0”, that is, cooking is completed. After the step S46, it is determined whether or not the numeric display device displays "0". At this time, when the numeric display device displays "0", the cooker automatically switches to the warming mode (step S48).

In the case of the yogurt mode, the yogurt lamp which is continuously turned on during cooking is turned off, and the buzzer sounds about five times while the warming lamp (not shown) of the display unit is turned on to inform the user that the cooker has been in the warming state. Even when the cooking is turned off while the Chunggukjang lamp that is still on, and the warming lamp is turned on by buzzing about five times to inform the user that the cooker has been switched to the warm state.

At this time, if the numeric display does not display "0", the step S43 and subsequent steps are repeated to maintain the temperature during cooking.

Thereafter, when the user presses the power button of the key input unit, the power of the cooker is turned off (step S49).

On the other hand, in the case of switching to the manual cooking mode by pressing the cooking selection button three times, the number display unit flashes "0", the "about" lamp and the cooking lamp (not shown) of the display unit flashes while the cooker enters the manual cooking mode. It indicates that the switch has been made (step S38). Subsequently, by pressing the time adjustment button (not shown) of the key input unit, for example, selecting from "0" to "12" to set the cooking time (step S50), and then, pressing the temperature input button (not shown) of the key input unit. Press to select, for example, "strong" or "weak" to set the cooking temperature (step S51). In this case, the numeric indicator displays the set cooking time, and the strong lamp (not shown) or the weak lamp (not shown) of the display unit lights according to the set cooking temperature.

In yogurt mode or Cheonggukjang mode, the cooking time and cooking temperature are automatically determined as soon as the cooking selection button is pressed, but in the manual cooking mode, the cooking time or cooking temperature must be set by the user according to the cooking. .

Subsequently, for example, when the waiting time of about 5 seconds has elapsed, the flashing cooking lamp is turned on to inform the start of cooking. In this case, when the cooking temperature is "weak", only the second heater is turned on and the cooking temperature is " Strong ", both the first heater and the second heater are turned on, and the numeric indicator counters the cooking time to display the remaining cooking time (step S53).

While cooking is in progress, the temperature sensor of the temperature sensing unit measures the cooking temperature of the cooker at a preset time interval and transmits this value to the controller, which controls the measured cooking temperature and the preset second set temperature, eg, 98. The process of comparing the degrees Celsius is repeatedly repeated (step S54). Then, when it is determined that the cooking temperature is higher than the second set temperature, both the first heater and the second heater are turned off to lower the cooking temperature so that the cooker is not overheated by the heater (step S55).

Thereafter, it is determined whether the numeric indicator displays "0" (step S56), and when the numeric indicator displays "0", the cooker automatically switches to the keep mode (step S48). Accordingly, the cooking lamp, the weak or the strong lamp which is in the lighting state during the cooking is turned off, and the user is notified that the cooker has been switched to the warming state while the heating lamp of the display unit is turned on.

On the other hand, if the number indicator does not display "0" by repeating the step 53 and subsequent steps so that the cooking temperature of the cooker during cooking does not rise above the set temperature.

According to the cooking method using the cooking temperature control method of the cooker according to the present invention, it is easy to control the cooking temperature constantly for a long time in the cooking that needs to be cooked for a long time at a constant temperature such as yogurt or cheonggukjang, and manually selects the cooking conditions. In the case of the manual cooking, it is possible to prevent the cooking temperature from rising above a certain temperature, thereby solving problems such as sticking of food.

According to the cooking temperature control method of the cooker according to the present invention, after the cooking temperature measured by the temperature sensor is compared with the first set temperature with a temperature sensor, when the cooking temperature is greater than the first set temperature, the heater is turned off. When the cooking temperature is lower than the first set temperature, the cooking temperature can be kept constant for a long time by repeating the process of turning on the heater, so that food cooking such as yogurt or cheonggukjang can be appropriately performed. In addition, since the cooking temperature can be controlled so as not to be higher than the second set temperature, problems such as sticking of food or burning of the cooker's container due to heating of the heater can be solved when cooking for a long time.

1 is a side cross-sectional view showing a typical cooker.

Figure 2 is a schematic diagram showing the internal configuration of the cooker according to the present invention having a temperature sensing unit.

3 is a flowchart illustrating a cooking temperature control method of the cooker according to an embodiment of the present invention.

4 is a flowchart illustrating a cooking temperature control method of the cooker according to another embodiment of the present invention.

5 is a flowchart illustrating a cooking method of the cooker using the cooking temperature control method of the cooker described with reference to FIGS. 3 and 4.

* Description of the symbols for the main parts of the drawings *

20: key input unit 21: display unit

22: control unit 23: temperature sensing unit

24: power supply 25: heater

25a: first heater 25b: second heater

Claims (9)

If the cooking temperature is greater than the first set temperature, cooking is performed by turning off the first and second heaters. If the cooking temperature is less than the first set temperature, cooking is performed by turning on one of the heaters. The cooking temperature control method of the cooker, characterized in that to maintain the cooking temperature at the first set temperature by repeating the step. The method of claim 1, Cooking temperature control method of the cooker, characterized in that the first set temperature is 40 ℃. Selecting a dish; Turning on the first and second heaters to perform cooking; Comparing the cooking temperature with the first set temperature; If the cooking temperature is greater than the first set temperature, after turning off the first and second heaters, and immediately after the cooking temperature is not greater than the first set temperature, the cooking temperature is set to the first setting. Checking whether it is less than temperature; Comparing the re-measured cooking temperature with the first set temperature; If the re-measured cooking temperature is less than the first set temperature, the first heater is turned on and the second heater is turned off, and immediately after the re-measured cooking temperature is not less than the first set temperature. Checking whether the remaining time is "0"; And when the remaining time is "0", the process automatically switches to the keep warm mode, and when the remaining time is not "0", comparing the cooking temperature with the first set temperature and repeating the process. Cooker temperature control method characterized in that. The method of claim 3, wherein The cooking method of the cooking temperature control method of the cooker, characterized in that the cooking temperature is maintained properly at a constant temperature for a long time. The method of claim 4, wherein The cooking method of the cooking temperature control of the cooker, characterized in that the yogurt or Cheonggukjang. The method of claim 3, wherein Cooking temperature control method of the cooker, characterized in that the first set temperature is 40 ℃. Setting a cooking temperature; Performing cooking by turning on a first and / or a second heater according to the set cooking temperature; And And if the measured cooking temperature is greater than the second set temperature, turning off the first and second heaters to lower the overheated cooking temperature. The method of claim 7, wherein And before the setting of the cooking temperature, setting the cooking time, and after the lowering of the overheated cooking temperature, determining whether the remaining cooking time is “0” and automatically setting the cooker when “0”. The cooking temperature of the cooker, characterized in that to switch to the keep warm mode, if the "0" is not the first and / or the second heater is turned on to proceed with the cooking and subsequent steps Control method. The method of claim 7, wherein The cooking temperature control method of the cooker, characterized in that the second set temperature is 98 ℃.