JP2005180838A - Heating cooker - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a heating cooker having the improved cooking performance at the heater temporary stop time. <P>SOLUTION: This heating cooker is provided with: a heater 2 provided in a heating chamber 1; a temperature detecting means 3 for detecting the temperature in the heating chamber 1; a control means 4 for determining heat cooking time from the relationship between the temperature and time of the heating chamber 1 and heat cooking by energizing to the heater 2 for the determined heat cooking time; a heater energizing stop means 5 for stopping the supply of power to the heater temporarily when the temperature of the heating chamber 1 for the heat cooking is above a first predetermined temperature and energizing to the heater again when the temperature is below a second prescribed temperature; and a heat cooking extending means 6 for extending the heat cooking after the determined heat cooking time according to the cooking temperature situation in the heating chamber 1. The excess and deficiency of the quantity of heat due to ambient temperature and the difference of the capacity of an object to be heated are reduced, and the cooking performance at the time of the heater stop is improved. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a cooking device such as an oven toaster that automatically cooks according to the temperature in a heating chamber.

Conventionally, in this type of cooking device, when the heating chamber reaches a predetermined temperature during cooking, the heater energization is temporarily stopped, and when the temperature in the heating chamber decreases, the heater is energized again and temporarily stopped. There is known one that is controlled so that cooking by heating is extended after a preset cooking time by an amount corresponding to the time (see, for example, Patent Document 1). This is because when the bread or the like is continuously baked, the temperature in the heating chamber is high, so that the heater energization stops immediately and the baked color does not appear in the preset cooking time. For this reason, cooking is extended.
JP 2001-50546 A

  However, in the above-described conventional configuration, since the cooking extension is only the amount corresponding to the time when the heater energization is temporarily stopped, the amount of heat required due to the difference in the ambient temperature and the capacity of the object to be heated even when cooking is extended. There was a possibility that the required cooking performance could not be obtained.

  The present invention solves the above-mentioned conventional problems, and in the heating cooking extension when the heater energization is temporarily stopped, the excess and deficiency of the heat amount due to the difference in the ambient temperature and the capacity of the object to be heated is reduced, and the cooking performance An object of the present invention is to provide a heating cooker that improves the above.

  In order to solve the above-mentioned conventional problems, the heating cooker of the present invention is provided with heating cooking extension means for extending heating cooking after the heating cooking time determined according to the cooking temperature situation in the heating chamber. is there.

  Thereby, the ambient temperature and the capacity of the object to be heated can be detected from the cooking temperature state in the heating chamber, and the cooking performance can be improved by adding an amount of heat according to the ambient temperature and the capacity of the object to be heated.

  The cooking device of the present invention can reduce the excess and deficiency of the heat amount due to the difference in the ambient temperature and the capacity of the object to be heated in the cooking extension when the heater energization is temporarily stopped, and can improve the cooking performance. .

  According to a first aspect of the present invention, there is provided a heating chamber for storing an object to be heated and cooking, a heater provided in the heating chamber, temperature detecting means for detecting the temperature in the heating chamber, and the temperature and time of the heating chamber. The heating cooking time is determined from the relationship, and the determined heating cooking time, the control means for performing heating cooking by energizing the heater, and the temperature of the heating chamber during cooking is equal to or higher than a first predetermined temperature. The heater energization is temporarily stopped, and when the temperature falls below the second predetermined temperature, the heater energization stop means for energizing the heater again, and the heating after the determined cooking time according to the cooking temperature status in the heating chamber By using a heating cooker with heating cooking extension means to extend cooking, the ambient temperature and the capacity of the object to be heated can be detected from the cooking temperature status in the heating chamber, and according to the ambient temperature and the capacity of the object to be heated Add heat Accordingly, it is possible to improve the cooking performance.

  According to a second aspect of the invention, in particular, in the first aspect of the invention, the cooking extension means measures the heater energization stop time and heats it for the time corresponding to the ratio between the determined cooking time and the heater energization stop time. Therefore, it is possible to detect the status of the ambient temperature and the capacity of the object to be heated by the ratio of the determined cooking time and the heater energization stop time. By extending the cooking only, it becomes possible to add the amount of heat necessary for cooking, and the cooking performance can be improved.

  According to a third aspect of the invention, in particular, in the first aspect of the invention, the cooking extension means measures the heater energization stop time, and at a heater energization rate corresponding to the ratio of the determined cooking time and heater energization stop time. By adopting a configuration in which heating cooking is extended by heating only for a predetermined time, it becomes possible to add an amount of heat necessary for cooking and improve cooking performance.

  According to a fourth aspect of the invention, in particular, in the first aspect of the invention, the cooking extension means measures the heater energization stop time and is predetermined for a time corresponding to the ratio between the determined cooking time and heater energization stop time. By adopting a configuration in which heating cooking is extended by heating at a heater energization rate, it is possible to add a heat amount necessary for cooking, and improve cooking performance.

  In the fifth invention, in particular, in the fourth invention, the heater energization rate is adjusted according to the ratio between the determined cooking time and the heater energization stop time, thereby adjusting the radiant heat to the object to be heated. It is possible to apply an appropriate amount of heat while preventing the surface of the object to be heated from being too scorched, and cooking performance can be improved.

  According to a sixth aspect of the present invention, in particular, in the first aspect of the present invention, the heating and cooking extension means is configured to extend the cooking by heating for a time corresponding to the rising temperature within a predetermined time when the heater is re-energized. Thus, it becomes possible to add the amount of heat necessary for cooking, and the cooking performance can be improved.

  In a seventh aspect of the invention, in particular, in the first aspect of the invention, the heating and cooking extension means extends the heating and cooking by heating for a predetermined time at a heater energization rate corresponding to the rising temperature within the predetermined time when the heater is re-energized. By adopting the configuration to perform, it becomes possible to add the amount of heat necessary for cooking, and the cooking performance can be improved.

  In an eighth aspect of the present invention, in particular, in the first aspect, the cooking extension means heats the cooking by heating at a predetermined heater energization rate for a time corresponding to the rising temperature within the predetermined time when the heater is re-energized. By adopting the extension configuration, the ambient temperature and the capacity of the object to be heated can be detected by the rising temperature within the predetermined time when the heater is re-energized, and the predetermined heater energization rate is set for the time corresponding to the situation. Thus, cooking can be extended and the amount of heat necessary for cooking can be applied, and cooking performance can be improved.

  In the ninth aspect of the invention, in particular, in the eighth aspect of the invention, the heater energization rate is configured according to the temperature rise within a predetermined time when the heater is re-energized, so that the radiant heat to the object to be heated can be adjusted. An appropriate amount of heat can be applied while preventing the surface of the heated object from being burned too much, and cooking performance can be improved.

  In a tenth aspect of the invention, in particular, in the first aspect of the invention, the cooking extension means measures the time from the start of cooking until the heater energization pause, and the time from the start of cooking until the heater energization pause and the cooking By adopting a configuration in which cooking is extended by heating for the time corresponding to the temperature of the heating chamber at the start, the ambient temperature and the capacity of the object to be heated can be changed from the start of cooking to the temporary stop of heater energization. And the temperature of the heating chamber at the start of cooking, the cooking time can be extended according to the situation, the amount of heat necessary for cooking can be added, and the cooking performance can be improved.

  In an eleventh aspect of the invention, in particular, in the first aspect of the invention, the cooking extension means measures the time from the start of cooking until the heater energization is paused, and the time from the start of cooking until the heater energization is paused and the cooking. By adopting a configuration in which heating cooking is extended by heating for a predetermined time at a heater energization rate corresponding to the temperature of the heating chamber at the start, the ambient temperature and the capacity of the object to be heated can be changed from the start of cooking. It can be detected from the time until the heater energization is stopped and the temperature of the heating chamber at the start of cooking, and it is possible to extend cooking for a predetermined time at the heater energization rate according to the situation, and to add the amount of heat necessary for cooking, cooking performance Can be improved.

  In a twelfth aspect of the invention, in particular, in the first aspect of the invention, the cooking extension means measures the time from the start of cooking until the heater energization is paused, and the time from the start of cooking until the heater energization is paused and the cooking. The cooking is extended by heating at a predetermined heater energization rate for the time corresponding to the temperature of the heating chamber at the start. It can be detected from the time until the heater energization is suspended and the temperature of the heating chamber at the start of cooking, and cooking can be extended at a predetermined energization rate for the time corresponding to the situation, and the amount of heat necessary for cooking can be added. The cooking performance can be improved.

  In a thirteenth aspect based on the twelfth aspect, the heater energization rate is adjusted according to the time from the start of cooking until the heater energization is temporarily stopped and the temperature of the heating chamber, thereby adjusting the radiant heat to the object to be heated. It is possible to apply an appropriate amount of heat while preventing the surface of the object to be heated from being too scorched, and cooking performance can be improved.

  In the fourteenth aspect of the invention, in particular, in the first to thirteenth aspects of the invention, the user is in the process of extending cooking by providing a notification means for notifying that the cooking process is being extended when cooking is extended. Can be easily known, and the annoyance of waiting time can be reduced.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 shows the configuration of a heating cooker according to Embodiment 1 of the present invention.

  In the figure, a heating chamber 1 has a door that can be freely opened and closed, and accommodates an object to be heated for cooking, in which the heater 2 and the temperature in the heating chamber 1 are detected. Temperature detecting means 3 for performing heating, and a grill 7 for placing an object to be heated. When the cooking start SW 8 is operated, the control means 4 starts heating cooking by energizing the heater in response to the signal, and the temperature of the heating chamber 1 at the start of heating cooking and the temperature rise in a predetermined time (conversely, a predetermined value) The cooking time is determined by determining the heating cooking time from the temperature), and energizing the heater 2 for the determined cooking time. And when the determined heat cooking time passes, a heating will be stopped and heat cooking will be complete | finished. The heater energization stop means 5 sends a signal to the control means 4 temporarily when cooking is performed after several times of continuous cooking and the temperature in the heating chamber 1 becomes high and exceeds the first predetermined temperature. When the heater energization is stopped and the temperature of the heating chamber 1 decreases and falls below the second predetermined temperature, a signal is sent to the control means 4 and the heater energization is performed again. The heating cooking extension means 6 performs heating cooking extension after the determined cooking time according to the cooking temperature situation in the heating chamber 1. In the present embodiment, the heating cooking extension means 6 measures the heater energization stop time, and extends the heating cooking only for the time corresponding to the ratio between the determined heating cooking time and the heater energization stop time. Yes. At the time of this cooking, the notification means 9 informs that the cooking is being extended by the output from the control means 4.

  The operation and action of the cooking device configured as described above will be described below with reference to FIG.

  Now, when the cooking start SW 8 is pressed, the control means 4 receives the signal and starts energizing the heater. The temperature θ0 in the heating chamber 1 at the start of cooking shown in FIG. 2 (a) and the temperature θ1 in the heating chamber 1 when T1 time has elapsed from the start of cooking are read from the temperature detection means 3, and the temperature θ0 and T1 hours later The cooking time is determined from the temperature rise value (θ1-θ0). Here, the determined cooking time is T4. In general, when the initial temperature is the same, it can be determined that the capacity of the article to be heated is larger as the temperature rise value is lower, so the cooking time T4 is determined to be longer. As shown in FIG. 2B, at T2 during cooking, when the temperature in the heating chamber 1 reaches θ4, the heater energization stop unit 5 issues a heater energization stop signal to the control unit 4 to supply the heater energization. Stop. Thereafter, as time elapses, the temperature in the heating chamber 1 decreases, and when the temperature becomes θ3 at T3, the heater is energized again. Here, the heating cooking extension means 6 measures the heater energization stop time Toff from T2 to T3, and determines the heating cooking extension time Tα based on the ratio (Toff / T4) of the determined heating cooking time T4 and the heater energization stop time Toff. Then, as shown in FIG. 2 (c), after the cooking time T4, the cooking is extended by energizing the heater for the heating cooking extension time Tα until T5. In the case of the same cooking time, the heat cooking extension time Tα becomes longer as the ratio increases.

  As described above, in the present embodiment, the ambient temperature and the capacity of the object to be heated are detected based on the ratio between the cooking time determined by the cooking extension means 6 and the heater energization stop time. The determined cooking time is extended by the time according to the situation. Thereby, a necessary heat capacity can be given even with respect to the ambient temperature and the capacity difference of the object to be heated, and the cooking performance can be improved.

  Further, the heating cooking extension means 6 is determined by the heater energization rate (for example, 80%, see FIG. 3C described later) according to the determined ratio of the cooking time T4 and the heater energization stop time Toff. By extending the cooking for a predetermined time from the heating cooking time T4, it is possible to prevent the object to be heated from being overly colored by reducing the heater energization rate and suppressing the radiant heat.

  In the above description, the time according to the ratio of the determined cooking time T4 and the heater energization stop time Toff or the heater energization rate is used, but a combination thereof, that is, the determined cooking time T4 and the heater is determined. Heating at a predetermined heater energization rate (heater energization rate according to the ratio between the determined cooking time and heater energization time) for the time corresponding to the ratio with the energization stop time Toff has the same effect. can get.

(Embodiment 2)
Next, the heating cooker in Embodiment 2 of this invention is demonstrated based on FIG. Since the configuration of the cooking device is the same as that of the first embodiment, only differences from the first embodiment will be described.

  As shown in FIG. 3A, the heating and cooking extension means 6 in the present embodiment measures the rising temperature θj (θ5−θ3) that has elapsed Tj from the time T3 when the heater 2 is energized again, and the rising temperature. The heating cooking extension time Tα is determined according to θj, and after T4, the heater is energized for Tα time to extend cooking to T5. As θj decreases, it can be determined that the capacity of the object to be heated is large or the ambient temperature is low, and the heating cooking extension time Tα becomes longer.

  As described above, in the present embodiment, the cooking temperature extension means 6 detects the ambient temperature and the capacity of the object to be heated based on the rising temperature within a predetermined time when the heater is re-energized, and according to the situation. Because the cooking is extended from the cooking time determined for a certain amount of time, the necessary heat capacity can be given even for the difference in capacity of the object to be heated and the difference in ambient temperature when the heater 2 is re-energized, Cooking performance can be improved.

  Moreover, as shown in FIG.3 (c), the heat cooking extension means 6 makes the heat cooking determined by the heater energization rate (for example, 80%) according to the raise temperature in the predetermined time T6 at the time of heater re-energization. By extending cooking for a predetermined time from the time T4, it is possible to prevent the object to be heated from being overly colored by reducing the heater energization rate and suppressing the radiant heat by the same effect as described above.

  In the above description, the time corresponding to the temperature rise within a predetermined time at the time of re-energization of the heater or the heater energization rate is used, but the combined effect can also be obtained.

(Embodiment 3)
Next, the heating cooker in Embodiment 3 of this invention is demonstrated based on FIG. 2, FIG. 3 shown previously. Since the configuration of the cooking device is the same as that of the first embodiment, only differences from the first embodiment will be described.

  The cooking extension means 6 in the present embodiment measures the time T2 from the start of cooking until the heater energization is stopped, and the cooking extension is performed from the measured time T2 and the temperature θ0 of the heating chamber 1 at the start of cooking. Time Tα is determined, and after T4, as shown in FIG. 2C, the heater is energized for Tα time to extend cooking. When the temperature θ0 of the heating chamber 1 at the start of cooking is the same, it is determined that the capacity of the object to be heated is large or the ambient temperature is low as the time T2 is long, and the heating cooking extension time Tα is set to be long.

  As described above, according to the present embodiment, the ambient temperature and the capacity of the object to be heated depend on the time from the start of cooking to the stop of the heater and the temperature of the heating chamber 1 at the start of cooking. Because the cooking is extended beyond the cooking time determined for the time according to the situation, the necessary heat capacity can be given even for the difference in the capacity of the object to be heated and the difference due to the ambient temperature, Cooking performance can be improved.

  Further, the heating cooking extension means 6 is operated from the heating cooking time T4 determined by the heater energization rate (for example, 80%) according to the time from the heating cooking start to the heater stop and the temperature of the heating chamber 1 at the cooking starting time. Further, by extending cooking for a predetermined time, it is possible to prevent the object to be heated from being overly colored by reducing the heater energization rate and suppressing radiant heat by extending the cooking for a predetermined time.

  In the above description, the time from the start of cooking to the stop of the heater and the time according to the temperature of the heating chamber 1 at the start of cooking or the heater energization rate are used, but the combined effect can also be obtained.

  As described above, the heating cooker according to the present invention can improve cooking performance by including heating cooking extension means for extending the cooking time according to the temperature rise situation in the heating chamber when the heater energization is stopped. It can be applied to ovens, oven toasters, general cookers, etc.

The block diagram which shows the heating cooker in Embodiment 1-3 of this invention (A) The figure which shows the change of the heating chamber temperature of the heating cooker in Embodiment 1, 3 of this invention (b) The figure which shows the heater operation | movement of the heating cooker (c) At the time of cooking extension of the heating cooker Diagram showing heater operation (A) The figure which shows the change of the heating chamber temperature of the heating cooking appliance in Embodiment 2 of this invention (b) The figure which shows the heater operation | movement of the heating cooking appliance (c) The figure which shows the heater energization rate of the heating cooking appliance

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Heating chamber 2 Heater 3 Temperature detection means 4 Control means 5 Heater energization stop means 6 Heating cooking extension means

Claims (14)

A heating chamber for storing an object to be heated and cooking, a heater provided in the heating chamber, temperature detecting means for detecting the temperature in the heating chamber, and the heating cooking time from the relationship between the temperature and time of the heating chamber. Control means for performing heating cooking by energizing the heater for the determined cooking time, and when the temperature of the heating chamber during heating cooking exceeds a first predetermined temperature, the heater is temporarily energized The heater energization stop means for energizing the heater again when the temperature is equal to or lower than the second predetermined temperature, and the heating cooking for extending the cooking after the determined cooking time according to the cooking temperature status in the heating chamber A cooking device with an extension means. The heating cooking extension means is configured to perform heating cooking extension by measuring the heater energization stop time and heating for a time corresponding to the ratio of the determined cooking time and heater energization stop time. The cooking device described. The heating cooking extension means is configured to time the heater energization stop time and perform heating cooking extension by heating for a predetermined time at a heater energization rate according to the ratio of the determined heating cooking time and heater energization stop time. The heating cooker according to claim 1. The heating cooking extension means counts the heater energization stop time and performs heating cooking extension by heating at a predetermined heater energization rate for a time corresponding to the ratio between the determined heating cooking time and the heater energization stop time. The cooking device according to claim 1, wherein the cooking device is configured. The heating cooker according to claim 4, wherein the heater energization rate is configured in accordance with a ratio between the determined heating cooking time and the heater energization stop time. The cooking device according to claim 1, wherein the heating cooking extension means is configured to extend heating cooking by heating for a time corresponding to a temperature rise within a predetermined time when the heater is re-energized. The cooking device according to claim 1, wherein the heating cooking extension means is configured to extend heating cooking by heating for a predetermined time at a heater energization rate corresponding to a temperature rise within a predetermined time when the heater is re-energized. The heating cooking according to claim 1, wherein the heating cooking extension means is configured to extend the cooking by heating at a predetermined heater energization rate for a time corresponding to a temperature rise within a predetermined time when the heater is re-energized. vessel. The heating cooker according to claim 8, wherein the heater energization rate is configured in accordance with a temperature rise within a predetermined time when the heater is re-energized. The cooking extension means measures the time from the start of cooking until the heater energization is temporarily stopped, and heats for the time corresponding to the time from the start of cooking until the heater energization is stopped and the temperature of the heating chamber at the start of cooking. The cooking device according to claim 1, wherein the cooking is extended by performing cooking. The heating cooking extension means measures the time from the start of cooking until the heater energization is stopped, and sets the heater energization rate according to the time from the start of cooking until the heater energization is stopped and the temperature of the heating chamber at the start of cooking. The heating cooker according to claim 1, wherein the cooking is extended by heating for a predetermined time. The heating cooking extension means measures the time from the start of cooking until the heater energization is temporarily stopped, and is predetermined by the time corresponding to the time from the start of cooking until the heater energization is stopped and the temperature of the heating chamber at the start of cooking. The cooking device according to claim 1, wherein heating cooking is extended by heating at a heater energization ratio of 2. The heating cooker according to claim 9, wherein the heater energization rate is configured in accordance with a time from the start of heating cooking to a temporary stop of energization of the heater and a temperature of the heating chamber. The cooking device according to any one of claims 1 to 13, further comprising notification means for notifying that heating cooking is being extended when heating cooking is extended.

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