KR20110042465A - Electric Range Safety Shutoff Control Method - Google Patents

Abstract

The present invention relates to an electric range safety shut-off control method, and if the input change state of the touch key is determined to be overflowing of food during the heating operation of the electric range of the touch key control method, the electric range is automatically shut off safely and If the temperature change value of the burner detected by the temperature sensor that is externally alarmed or placed in the housing of a plurality of burners of the electric range and senses the temperature of each burner is determined as overflow of the food, the heating amount is automatically adjusted. In order to keep the food warmed for a specific time, the electric range is automatically shut off automatically after the specific time has elapsed, and the overflow condition of the food is alerted to the outside.

According to the present invention, if the food overflows during the heating operation of the electric range, the electric range is automatically cut off automatically, so that the malfunction problem of the electric range generated when the overflowed food touches the touch key manipulator can be completely solved. After the water overflows, the amount of heating is automatically reduced until the safety shut-off, and the food is kept warm for a certain time. Cooking can be completed stably.

Electric Range, Touch Key, Burner, Overflow, Safety Shut Off

Description

Cutoff control method for an electric range

The present invention relates to an electric range, and more particularly, to determine whether the food is overflowed based on an input change state of a touch key or a temperature change value of a burner of an electric range during a heating operation of a touch key control type electric range. It relates to an electric range safety cutout control method to automatically cut off the safety.

1 is a view illustrating an electric range 100 of a conventional touch key control method, and includes an upper surface of a housing 160 accommodating a touch key manipulator 110, four burners 120, 130, and 140, and a burner driving controller 150. The cooking utensil is covered with a top plate 170 on which it is placed and heated.

The electric range 100 of the touch key control method as shown in FIG. 1 is installed and used in a built-in method on a top plate such as a sink or an electric oven, and one or two burners depending on the size thereof. It can be configured to include. In addition, the touch key used at this time is a capacitive type.

The touch key manipulator 110 includes a power key 111, a burner selection key 112, a fire / timer control key 113, a timer key 114, a heating amount indicator 115, a timer indicator 116, and a timer. The setting burner indicator 117 and the double fire power key 118 are included, and the touch keys and indicators included in the touch key manipulator 110 of the electric range 100 may be variously implemented according to the electric control function required. Can be.

The four burners 120, 130, and 140 are divided into a large burner 120, a heavy burner 130, and two small burners 140.

The burner drive controller 150 heats and operates the burners 120, 130, and 140 by adjusting the heating amount and the heating time of the selected burners 120, 130, and 140 according to the touch key input of the touch key manipulator 110.

The electric range 100 configured as described above operates as follows.

The electric range 100 maintains the idle state until the user turns on the power key 111 of the touch key manipulator 110.

When the user puts the cooking utensils containing the food on the position where the specific burners (120, 130, 140) of the top plate 170 is disposed and turns on the power key 111, the electric range 100 is heated. The burner driving controller 150 waits for input of a selection key signal, a heating amount control signal, a heating time control signal, etc. of the specific burners 120, 130, and 140.

In the heating standby state, when the user selects the burner selection key 112 to select specific burners 120, 130, and 140, and adjusts the heating amount to a specific value by adjusting the fire / timer adjustment key 113, the electric range ( 100 initiates a heating operation, wherein the burner drive controller 150 heats the selected particular burner 120, 130, 140 to a specific heating amount and displays the currently regulated heating amount on the heating amount indicator 115.

Additionally, when the user selects the timer key 114 and adjusts the fire / timer adjustment key 113 to adjust the heating time for the currently selected burners 120, 130, 140, the burner drive controller 150 may be The adjusted heating time is displayed on the timer indicator 116, and the specific burners 120, 130, and 140 on which the current heating time is adjusted are displayed on the timer setting burner indicator 117. In addition, the burner drive controller 150 heats and operates both the inner and outer burners of the large burner 120 which is divided into an inner burner and an outer burner when the user selects the double fire power key 118.

However, since the electric range 100 of the conventional touch key control method as described above has a structure in which a cooking tool containing food is placed on a position where specific burners 120, 130, and 140 of the upper plate 170 are disposed, and the food is heated. When the cooking water overflows and touches the touch key manipulator 110 on the top plate 170 during the heating operation of the electric range 100, a touch key input irrelevant to the user's intention occurs, thereby causing malfunction of the electric range 100. For example, there is a problem that causes overheating of food due to an increase in heating amount.

The present invention is to solve the conventional problems as described above, an object of the present invention is to automatically switch the electric range when the input change state of the touch key is determined to overflow the food during the heating operation of the electric range of the touch key control method. The temperature change value of the burner detected by the temperature sensor for safety shut-off and warning of the overflow of the food to the outside, or placed in a housing where a plurality of burners of the electric range are accommodated, senses the temperature of each burner. If it is determined to overflow, it automatically reduces the amount of heating to keep the food warm for a certain time and if there is no touch key input during this particular time, it automatically shuts off the electric range after this specific time and alerts the outside of the food overflow. It is to provide a safe control method of the electric range.

In order to achieve the object of the present invention as described above, the electric range safety shut-off control method according to the present invention, the touch key operation, at least one or more burners, burner drive controller, constant temperature of each of the at least one or more burners The burner drive controller operates the touch key of the touch key manipulator during the heating operation of the electric range in which the upper surface of the housing containing the temperature sensor which detects the cycle and the alarm that generates the food overflow alarm is covered with the upper plate where the cooking utensil is placed and heated. A first step of determining whether the food is overflowed according to the input change state of the electronic device; and when the input change state of the touch key is determined to be overflowing of the food, the burner driving controller stops heating at least one or more burners to stop the electricity. Safely shuts off the range automatically and alerts you of overflowing food A second process; When the input change state of the touch key is not determined as overflow of the food, the burner driving controller overflows the food according to the temperature change value of the specific burner detected by the temperature sensor that detects the temperature of each of the at least one burner at regular intervals. A third step of determining whether or not; When the temperature change value of the specific burner is determined to be overflowing of the food, the burner driving controller automatically reduces the current heating amount by a preset heating amount corresponding to the temperature change value, so that the food is previously prepared in response to the temperature change value. A fourth process of warming for a predetermined time; A fifth step of determining whether a burner driving controller has a touch key input by a touch key manipulator during a specific time of warming the food; A sixth step of performing a function of an input touch key by the burner driving controller when there is a touch key input for a specific time of warming the food; And if there is no touch key input for a specific time to keep the food warm, after this specific time, the burner drive controller automatically shuts off the burner to safely shut off the electric range and set the overflow of the food outside. And a seventh process of alerting.

In the electric range safety shut-off control method according to the present invention, in the first process, the burner drive controller simultaneously recognizes the input of the heat increase key and the heat decrease key of the fire / timer control key provided in the touch key manipulator. From this point in time, if the state continues for a specific time, the current cooking state is characterized in that the food overflow.

In the electric range safety shut-off control method according to the present invention, in the first step, the burner driving controller heats the power within a specific time after recognizing the input of the heat increasing key of the heat / timer control key provided in the touch key manipulator). When the input of the increase key and the input of the fire reduction key are simultaneously recognized, the current cooking state may be determined as overflow of the food.

In the method of controlling electric range safety cut according to the present invention, in the third process, the temperature at which the burner drive controller senses the temperature immediately before the period (T1) detected by the temperature sensor of the specific burner of the electric range in the current cycle ( A value obtained by subtracting T2) is calculated as a temperature change value (N), and if the calculated temperature change value (N) is equal to or greater than a reference temperature change value (n) preset in order to determine the current cooking state as overflowing food, The cooking state may be determined as overflow of food.

In the electric safety range control method according to the present invention, in the second or seventh process, the burner drive controller turns on or flashes an alarm indicator provided in the touch key manipulator and simultaneously drives the alarm to generate an alarm sound. It characterized in that the output.

According to the present invention, when the food overflows during the heating operation of the touch key control type electric range, the electric range is automatically cut off automatically. Therefore, the malfunction of the electric range that occurs when the overflowed food reaches the touch key manipulator is completely solved. In particular, the heating amount is automatically reduced until the safety shut-off, especially after the food overflows, so that the food is kept warm for a certain time. The cooking can be completed stably without changing the heating amount.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 2, the electric range safety shut-off control method according to the present invention includes a touch key manipulator 110 ′, four burners 120, 130 and 140, a burner drive controller 150 ′, and four burners 120, 130 and 140, respectively. The upper surface of the housing 160 ′ containing the four temperature sensors 180 for detecting the temperature at regular intervals and the alarm 190 generating the food overflow alarm sound is covered with the upper plate 170 in which the cooking tool is placed and heated. Applied to the electric range 100 '.

The electric range 100 ′ of the touch key control method as shown in FIG. 2 may include one or two or more burners according to its size. In addition, the touch key used at this time is a capacitive type.

The touch key manipulator 110 'includes a power key 111, a burner selection key 112, a fire / timer adjustment key 113, a timer key 114, a heating amount indicator 115, a timer indicator 116, A timer setting burner indicator 117, a double fire power key 118, and an alarm indicator 119, the touch keys and indicators included in the touch key manipulator 110 'of the electric range 100' and the like. Depending on the control function can be easily and variously implemented to those skilled in the art.

The four burners 120, 130, and 140 are divided into a large burner 120, a heavy burner 130, and two small burners 140.

The burner drive controller 150 ′ heats and operates the burners 120, 130, and 140 by adjusting the heating amount and heating time of the selected burners 120, 130, and 140 according to the touch key input of the touch key manipulator 110 ′.

The burner drive controller 150 ′ automatically shuts off the electric range 100 ′ if the input change state of the touch key is overflowing the food during the heating operation of the electric range 100 ′, and externally switches off the overflow of the food. In order to alarm the alarm indicator 119, the alarm indicator 119 turns on or blinks and at the same time drives the alarm 190 to output an alarm sound.

The burner drive controller 150 'simultaneously recognizes an input of a fire power increase (+) key and a fire power decrease key (-) of the fire / timer control key 113 during a heating operation of the electric range 100'. From this point in time, this state lasts more than a certain amount of time (eg 5 seconds), or within a certain amount of time (eg 5 seconds) after acknowledging the input of the power up (+) key and the power down key. Recognizing both negative inputs at the same time determines the current cooking status as overflowing food.

The burner drive controller 150 ′ of the burners 120, 130, 140 sensed by the four temperature sensors 180 sensing the temperature of each of the four burners 120, 130, 140 at regular intervals during the heating operation of the electric range 100 ′. When the temperature change value is determined to be overflowing of the food, the current heating amount is automatically reduced by a preset heating amount corresponding to the temperature change value, and the food is kept warm for a predetermined time corresponding to the temperature change value. If there is no touch key input for a period of time, the alarm indicator 119 lights up or flashes to automatically shut off the electric range 100 'and alarm the outside of the food overflow after this specific time has elapsed. Drive 190 to output the alarm sound.

The burner drive controller 150 ′ senses the temperature T2 immediately before the period T2 detected by the temperature sensor 180 of the specific burners 120, 130, and 140 during the heating operation of the electric range 100 ′ in the current cycle. ) Is calculated as a temperature change value (N), and the calculated temperature change value (N) is a preset reference temperature change value (n) (e.g., 5) to determine the current cooking state as overflowing food. ℃) or above, the current cooking state is determined to be overflowing food. At this time, it is preferable that the reference temperature change value n is appropriately changed and set according to the sensitivity of the food overflow state required by the electric range 100 '.

When the burner driving controller 150 ′ determines that the current cooking state is overflowing with the food, the burner driving controller 150 ′ automatically reduces the current heating amount by a preset heating amount C in response to the corresponding temperature change value N. Insulating for a predetermined time (for example, 1 to 10 minutes) preset in response to the temperature change value (N), and if there is no touch key input for the specific time, for example, the power key 111 or the fire / timer control key 113. If there is no touch key input such as), the alarm indicator 119 lights up or flashes to automatically shut off the electric range 100 'and alarm the outside of the food after the specific time has elapsed. The alarm 190 is driven to output an alarm sound.

For reference, when the current cooking state is determined to overflow the food, the amount of heating is automatically reduced, and then the time (eg, 1 to 10 minutes) for warming the food corresponding to the temperature change value (N) is determined. The greater the overflow, the larger the temperature change value N sensed by the temperature sensor 180 becomes. Therefore, the temperature change value N is preferably set in a short time in proportion to the temperature change value N.

In fact, when the food overflows, the more the food overflows, the more the temperature of the region where the specific burners 120, 130, 140 are located decreases, so that the temperature immediately before the food overflows and the temperature change value N after overflowing becomes larger. Therefore, when a lot of food overflows, it is preferable to alert a user to a food overflow state after a short warm-up time.

The safety shutoff control method of the electric range 100 ′ configured as described above is performed as shown in FIG. 3.

The electric range 100 ′ remains idle until the user turns on the power key 111 of the touch key manipulator 110 ′.

When the user puts the cooking utensils containing the food at the position where the specific burners (120, 130, 140) of the top plate 170 is disposed and turns on the power key 111, the electric range 100 ' The heating standby state is maintained, and the burner drive controller 150 ′ waits for input of a selection key signal, a heating amount control signal, a heating time control signal, etc. of the specific burners 120, 130, and 140.

In the heating standby state, when the user selects the burner selection key 112 to select specific burners 120, 130, and 140, and adjusts the heating amount to a specific value by adjusting the fire / timer adjustment key 113, the electric range ( 100 ') starts a heating operation, wherein the burner drive controller 150' heats the selected specific burner 120, 130, 140 to a specific heating amount and displays the currently adjusted heating amount on the heating amount indicator 115. .

Additionally, when the user selects the timer key 114 and adjusts the fire / timer adjustment key 113 to adjust the heating time for the currently selected burners 120, 130, 140, the burner drive controller 150 ' The adjusted heating time is displayed on the timer indicator 116, and the specific burners 120, 130, and 140 on which the current heating time is adjusted are displayed on the timer setting burner indicator 117. In addition, when the user selects the double thermal power key 118, the burner drive controller 150 'heats and operates both the inner and outer burners of the large burner 120 which are divided into an inner burner and an outer burner.

As described above, during the heating operation of the electric range 100 ', the burner drive controller 150' first determines whether the food is overflowed according to the input change state of the touch key of the touch key manipulator 110 '(S100). .

At this time, the burner drive controller 150 'simultaneously inputs a thermal power increase (+) key and a thermal power reduction key (-) of the thermal power / timer control key 113 included in the touch key manipulator 110'. If the state lasts more than a specific time (for example, 5 seconds) from the recognized time point, the current cooking state is determined as overflow of food. In addition, after recognizing an input of a fire power increase (+) key of the fire power / timer control key 113 provided in the touch key manipulator 110 ', the fire power increase (+) key may be activated within a specific time (for example, 5 seconds). If the input and the input of the fire reduction key (-) are recognized at the same time, the current cooking state is determined as overflow of food.

If the input change state of the current touch key is determined as overflow of food, the burner drive controller 150 'automatically cuts off the electric range 100' by automatically shutting down all four burners 120, 130, and 140, and The overflow state of the food is alerted to the outside (S110). For example, the alarm indicator 119 provided in the touch key manipulator 110 ′ turns on or blinks, and at the same time, the alarm 190 is driven to output an alarm sound so that the user recognizes the overflow condition of the food.

On the other hand, if the input change state of the current touch key is not determined as overflow of food, the burner drive controller 150 'is controlled by the temperature sensor 180 which senses the temperature of each of the at least four burners 120, 130, and 140 at regular intervals. It is determined whether the food overflows according to the detected temperature change value of the specific burners 120, 130, and 140 (S120).

At this time, the burner drive controller 150 'is the temperature T2 detected in the immediately preceding cycle from the temperature T1 detected by the temperature sensor 180 of the specific burners 120, 130, and 140 of the electric range 100' in the current cycle. ) Is calculated as a temperature change value (N), and the calculated temperature change value (N) is a preset reference temperature change value (n) (e.g., 5) to determine the current cooking state as overflowing food. ℃) or above, the current cooking state is determined to be overflowing food.

If the current temperature change value of the specific burners 120, 130, and 140 is determined as overflow of the food, the burner drive controller 150 'automatically reduces the current heating amount by a preset heating amount corresponding to the temperature change value. The temperature is maintained for a predetermined time (eg, 1 to 10 minutes) preset in correspondence with the temperature change value (S130).

In such a state of keeping the food warm, the burner driving controller 150 'adjusts a touch key input of the touch key manipulator 110', for example, the power key 111 or heat / timer control during a specific time of warming the food. It is determined whether there is a touch key input such as a key 113 or the like (S140).

If there is a touch key input for a specific time of warming the food, the burner driving controller 150 ′ performs a function of an input touch key (S150).

For example, when the user recognizes the overflow of food and touches the power key 111, the burner drive controller 150 ′ stops the heating operation of the burners 120, 130, and 140 to safely shut off the electric range 100 ′. .

In addition, when the user recognizes the overflow of the food and touches the thermal increase (+) key or the thermal decrease key (-) of the thermal / timer control key 113, the burner driving controller 150 ′ of the corresponding burner 120, 130, 140. By increasing or decreasing the heating amount, the user can adjust the cooking heating temperature appropriately so that the cooking can be completed stably without changing the heating amount of the food.

On the other hand, if there is no touch key input for a specific time to keep the food warm, the burner drive controller 150 'heats and stops the burners 120, 130, and 140 after the specific heat retention time has elapsed. Automatically cut off the safety and alerts the outside of the overflow of food (S160). For example, the alarm indicator 119 provided in the touch key manipulator 110 ′ turns on or blinks, and at the same time, the alarm 190 is driven to output an alarm sound so that the user recognizes the overflow condition of the food.

The electric range safety cut-off control method according to the present invention described above is not limited to the above-described embodiments, and has a general knowledge in the field of the present invention without departing from the gist of the present invention as claimed in the following claims. Anyone who grows has the technical spirit to the extent that anyone can make various changes.

1 is an embodiment showing a state of use of the electric range of the conventional touch key control method.

2 is a perspective view of an electric range according to the present invention;

Figure 3 is a flow chart illustrating a method for electric oven safety shutoff control according to the present invention.

<Description of the symbols for the main parts of the drawings>

100,100 ': Electric range 110,110': Touch key control

120: great burner 130: heavy burner

140: Soburner 150,150 ': Burner drive controller

160,160 ': housing 170: top plate

180: temperature sensor 190: alarm

111: power key 112: burner selection key

113: fire / timer control key 114: timer key

115: heating amount indicator 116: timer indicator

117: timer setting burner indicator 118: double fire key

Claims (5)

A touch key manipulator 110 ', at least one burner, a burner drive controller 150', a temperature sensor 180 for detecting a temperature of each of the at least one burner at regular intervals, and a food overflow alarm sound The burner drive controller 150 'touches the touch key during the heating operation of the electric range 100', in which the upper surface of the housing 160 'accommodating the alarm 190 is covered with the upper plate 170 where the cooking utensil is placed and heated. A first step (S100) of determining whether the food overflows according to an input change state of the touch key of the manipulator 110 ′; When the input change state of the touch key is determined as overflow of food, the burner drive controller 150 'automatically shuts off at least one or more of the burners to automatically shut off the electric range 100' automatically and overflow of food. A second process (S110) for alerting the state to the outside; If the input change state of the touch key is not determined as overflow of food, the temperature of the specific burner detected by the temperature sensor 180 that the burner driving controller 150 ′ senses the temperature of each of the at least one burner at regular intervals. Determining whether the food is overflowed according to the change value (S120); When the temperature change value of the specific burner is determined as overflow of the food, the burner drive controller 150 'automatically reduces the current heating amount by a preset heating amount corresponding to the temperature change value to reduce the food to the temperature change value. A fourth step (S130) of warming for a predetermined time corresponding to the preset time; A fifth step (S140) in which the burner drive controller 150 'determines whether there is a touch key input of the touch key manipulator 110' during a particular time of warming the food; A sixth step (S150) in which the burner drive controller 150 'performs a function of an input touch key when there is a touch key input for a specific time of warming the food; And If there is no touch key input for a certain time to keep the food warm, the burner drive controller 150 'automatically shuts off the burner after the specified time has elapsed, thereby automatically shutting off the cooking range 100' and cooking. A seventh step (S160) of alerting the outside of the water overflow; Electric range safety cutoff control method comprising the. The method of claim 1, wherein in the first step (S100), the burner drive controller 150 'of the thermal power increase (+) key of the thermal power / timer control key 113 provided in the touch key manipulator 110' The electric cooker safety shut-off control method, characterized in that the current cooking state is determined as overflow of food if this state continues for more than a certain time from the time when the input and the input of the fire reduction key (-) at the same time. The method of claim 1, wherein in the first step (S100), the burner drive controller 150 'of the thermal power increase (+) key of the thermal power / timer control key 113 provided in the touch key manipulator 110' And recognizing the input of the fire power increasing key and the heat reduction key simultaneously within a certain time after recognizing the input, determining the current cooking state as overflow of food. The method of claim 1, wherein in the third process (S120), the burner drive controller 150 ′ is directly at a temperature T1 detected by a temperature sensor 180 of a specific burner of the electric range 100 ′ in a current cycle. The value obtained by subtracting the temperature T2 detected in the immediately preceding cycle is calculated as a temperature change value (N), and the calculated temperature change value (N) is a preset reference temperature change set to determine the current cooking state as overflowing food. If the value (n) or more, electric current safety cutoff control method characterized in that the current cooking state to determine the overflow of food. The burner driving controller 150 ′ lights or flashes the alarm indicator 119 provided in the touch key manipulator 110 ′ in the second process S110 or the seventh process S160. And at the same time driving the alarm (190) to output an alarm sound safety control method.

Images