JP2007075175A - Gas cooker - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a grill capable of eliminating abnormal heating and firing, etc., and maintaining heating without the failure of burning a cooking object too much by surely detecting temperature inside a grill container and of a grill tray and controlling the operation of the grill by detected temperature information regarding the grill used for a cooker. <P>SOLUTION: Inside the grill container provided with a grill door on the front face, an exhaust port is provided on the other surface. A gridiron is provided inside the grill container, and a temperature detection means for detecting the temperature inside the grill container and on the bottom surface of the grill tray are provided. By controlling the operation of the grill by comparing the temperature obtained by the respective temperature detection means with thresholds provided in a heating control part, abnormal heating and firing, etc., are eliminated, and the grill capable of maintaining heating without the failure of burning the cooking object too much is provided. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a gas cooker having a grill cabinet, and more particularly to an overheat prevention device in the grill cabinet.

  Conventionally, this type of grill has been described in JP-A-11-285446. As shown in the abnormal temperature rise prevention device for the grill 60 in FIG. 6, the inner wall surface 65 of the grill chamber 62 in which the grill pan 64 is freely provided on the bottom 63 in the grill chamber 62 surrounded by the grill case 61. Is provided with a temperature sensor 66 for detecting the internal temperature above the grill pan 64, and the combustion of gas is shut off based on the detection result of the abnormal temperature by the temperature sensor 66.

  With this configuration, a grill 60 in which a grill pan 64 is provided at the bottom of the grill chamber 62 surrounded by the grill case 61 so that the grill pan 64 can be pulled out, is provided on the inner wall surface 65 of the grill chamber 62 above the grill pan 64. A temperature sensor 66 for detecting the temperature is provided. The temperature sensor 66 detects the temperature in the grill 62. If the detected temperature is higher than a predetermined temperature, the combustion is stopped as an abnormal temperature.

  Further, the temperature sensor 66 for detecting the temperature is covered with a cover 67, the mounting surface of the temperature sensor 66 is attached with a concave structure, or the outside air is supplied to the vicinity of the temperature sensor 66 for cooling. By providing it on the wall surface 68 on the rear side of the inner wall of the grill cabinet 62, the temperature sensor 66 is prevented from being contaminated with oil or malfunctioning due to detection of an erroneous temperature by radiant heat of combustion heat.

With such a configuration and action, the temperature in the grill cabinet 62 is detected regardless of the amount of water in the grill pan 64 and the state of the cooked food, the gas is shut off, and the grill 60 is prevented from rising abnormally. It was to secure and provide 60 safety.
JP-A-11-285446

  However, in the conventional abnormal temperature prevention device for the grill 60, the temperature in the vicinity of the temperature sensor 66 is low and the abnormality cannot be detected even though the temperature in the grill cabinet 62 is in an abnormal temperature state. There is a problem that the abnormal temperature in the grill cabinet 62 cannot be detected, the cooked food in the grill cabinet 62 is abnormally heated and the cooked product ignites, and safety cannot be ensured.

  In addition, although the temperature in the grill 62 is in a low temperature state, the temperature of the grill pan 64 becomes abnormally high, and the oil from the cooked food falling into the grill pan is heated to a high temperature and is spontaneously ignited. In spite of the above, the abnormality cannot be detected and the abnormal temperature in the grill box 62 can be detected, which is the original purpose, but the correlation between the temperature of the grill pan 64 and the temperature of the grill box 62 cannot be obtained. When the situation occurs, the cooked food in the grill pan 64 is abnormally heated, and the cooked product ignites, which makes it impossible to secure safety.

In order to alleviate the above problems, the temperature sensor 66 for detecting the temperature is covered with a cover, the temperature sensor 66 mounting surface is mounted in a concave configuration, or outside air is supplied in the vicinity of the temperature sensor 66. Thus, the temperature sensor 66 can be prevented from being contaminated with oil or detecting an erroneous temperature by radiant heat of combustion heat and malfunctioning by providing a cooling structure and providing it on the wall behind the inner wall of the grill cabinet 62. However, it is difficult to obtain a certain effect for the uneven temperature distribution in the grill 62.

  The present invention solves the above-described conventional problems by detecting the temperature in the grill cabinet and the temperature of the grill pan, and continuing and stopping combustion at the detected temperatures to prevent abnormal heating of the grill and The purpose is to provide a safe grill by preventing ignition in the kitchen.

  In order to solve the above-mentioned conventional problems, the grill of the present invention is provided with a grill pan on which an exhaust port is provided on the other side of the grill cabinet provided with a grill door on the front surface and a grill net is placed in the grill cabinet, It consists of temperature detection means that detects the temperature in the grill cabinet and the bottom temperature of the grill pan on the bottom of the grill cabinet, a combustion heating unit, and a heating control unit. The heating control unit provided with the upper limit temperature threshold and the lower limit temperature threshold for the threshold value and the temperature of the grill pan has a temperature detected by the temperature detection means in either the grill pan or the grill box exceeding the upper limit temperature threshold. Stop combustion in the combustion heating section. By controlling the temperature of the grill pan and the grill cabinet by controlling the temperature of the grill heating unit so that the combustion of the combustion heating unit is possible when the detected temperature of either temperature detection means is lower than the lower limit temperature threshold value, Since the temperature is detected and the combustion is continued or stopped at the threshold value of each, the temperature in the grill pan and the grill box does not rise above the upper limit temperature threshold value. Or the food in a grill plate and the oil which comes out of the food are not heated abnormally, and cooking oil does not ignite, and safety can be secured. Therefore, it is possible to solve the problem that the safety cannot be ensured by firing in the grill cabinet or the grill pan without detecting an abnormal temperature, and a safe and easy-to-use grill can be realized.

  Even if the temperature in the grill cabinet or the grill pan is abnormal, even if the temperature near one of the temperature detection means is too low to detect the abnormality, the worst is Since the abnormal temperature can be detected by the temperature detection temperature, the cooked food in the grill cabinet, the cooked food in the grill pan, and the oil from the cooked food are not heated abnormally, so that the cooked oil does not ignite and safety is ensured. It can be secured. Therefore, it is possible to solve the problem that the safety cannot be ensured by firing in the grill cabinet or the grill pan without detecting an abnormal temperature, and a safe and easy-to-use grill can be realized.

  In addition, since the combustion is possible when the temperature detected by the temperature detection means in the grill cabinet or the grill pan becomes lower than the lower limit temperature threshold value, the grill can be used. Therefore, it is possible to realize an easy-to-use grill that ensures safety at all times.

  The grill of the present invention stops the combustion in the combustion heating section when the temperature detected by the temperature detection means in either the grill pan or the grill is equal to or higher than the upper limit temperature threshold value. By controlling the temperature of the grill pan and the grill cabinet by controlling the temperature of the grill heating unit so that the combustion of the combustion heating unit is possible when the detected temperature of either temperature detection means is lower than the lower limit temperature threshold value, Since the temperature is detected and the combustion is continued or stopped at the upper and lower temperature thresholds of each, the temperature in the grill pan and the grill box does not rise above the upper temperature threshold value, so the grill box The cooking oil in the grill dish, the cooking food in the grill pan, and the oil from the cooking food are not heated abnormally and the cooking oil does not ignite, so safety can be ensured. Moreover, it can be used when it becomes below the lower limit temperature threshold. Therefore, it is possible to solve the problem that the safety cannot be ensured by firing in the grill cabinet or the grill pan without detecting the abnormal temperature, and a safe and easy-to-use grill can be realized.

In addition, a grill pan is provided with an exhaust port on the other side of the grill cabinet provided with a grill door on the front surface and a grill net is placed in the grill cabinet. Consists of temperature detection means for detecting the temperature of the bottom surface, combustion heating unit and control unit, upper and lower temperature threshold values for the temperature in the grill cabinet, and upper and lower temperature threshold values for the temperature of the grill pan The control unit provided with the temperature threshold stops combustion of the combustion heating unit when the detected temperature of the temperature detection means in either the grill pan or the grill is equal to or higher than the upper limit temperature threshold. The temperature in the grill pan or the grill cabinet is controlled by controlling the temperature in the grill pan and the grill cabinet by controlling the temperature of the combustion heating section so that the temperature detected by either temperature detection means is lower than the lower limit temperature threshold and controlling the temperature in the grill pan and the grill cabinet. The temperature of the grill plate and the grill chamber does not rise above the threshold value by detecting the occurrence of the gas and continuing or stopping the combustion at the threshold value of each. Since the cooking oil and the oil from the cooking food are not heated abnormally and the cooking oil does not ignite, safety can be ensured.

  The first invention includes a grill pan that can freely slide in and out of the grill cabinet in conjunction with a drawer operation of the grill door, an exhaust port that communicates with the grill cabinet and exhausts exhaust gas in the cabinet to the outside, A combustion heating section for heating the inside of the grill to a predetermined temperature, an in-chamber temperature detecting means for detecting the temperature in the grill, a grill pan temperature detecting means for detecting the bottom surface temperature of the grill pan, and the respective temperatures A heating control unit that controls the combustion heating unit based on a detection temperature of the detection unit, and the heating control unit is configured to have an upper limit temperature relative to the temperature detected by the internal temperature detection unit and the grill pan temperature detection unit, respectively. When the temperature detected by at least one of the internal temperature detecting means and the grill pan temperature detecting means exceeds the upper limit temperature threshold, the combustion heating unit stops the combustion. In addition, when either one of the detected temperatures falls below the lower limit temperature threshold value, the combustion heating unit is allowed to burn, thereby detecting the temperature in the grill pan or the grill box, and the upper and lower limits that each has. By continuing or stopping combustion at the temperature threshold, the temperature in the grill pan and the grill cabinet will not heat up beyond the upper limit temperature threshold, so the cooked food in the grill pan or the cooked food in the grill pan The oil produced from the food is not heated abnormally and the food oil does not ignite, so safety can be ensured. Therefore, it is possible to solve the problem that the safety cannot be ensured by firing in the grill cabinet or the grill pan without detecting an abnormal temperature, and a safe and easy-to-use grill can be realized.

  Even if the temperature in the grill cabinet or the grill pan is abnormal, even if the temperature near one of the temperature detection means is too low to detect the abnormality, the worst is Since the abnormal temperature can be detected by the temperature detection means, the cooking oil in the grill, the cooking food in the grill pan, and the oil from the cooking food are not heated abnormally, so that the cooking oil does not ignite and safety is ensured. It can be secured. Therefore, it is possible to solve the problem that the safety cannot be ensured by firing in the grill cabinet or the grill pan without detecting an abnormal temperature, and a safe and easy-to-use grill can be realized.

  In addition, since the combustion is possible when the temperature detected by the temperature detection means in the grill cabinet or the grill pan becomes lower than the lower limit temperature threshold value, the grill can be used. Therefore, it is possible to realize an easy-to-use grill that ensures safety at all times.

According to a second aspect of the present invention, the heating control unit has an upper limit temperature threshold and a lower limit temperature threshold for the temperatures detected by the internal temperature detection means and the grill pan temperature detection means, respectively. Since the internal temperature detection means and the grill pan temperature detection means have different values, and the combustion heating unit is controlled by the detected temperature and temperature threshold value of either of the temperature detection means, the temperature in the grill pan and the grill cabinet is controlled. By detecting the temperature in the pan or grill, and when the detected temperature exceeds the threshold value of each, the temperature in the grill pan or grill can be reduced by continuing or stopping combustion. Since the heating does not rise above the upper limit temperature threshold, the cooking oil in the grill cabinet, the cooking food in the grill pan, or the oil from the cooking food is abnormally heated and the cooking oil ignites. Disappear In safety can be ensured. Therefore, it is possible to solve the problem that the safety cannot be ensured by firing in the grill cabinet or the grill pan without detecting an abnormal temperature, and a safe and easy-to-use grill can be realized.

  Even if the temperature in the grill cabinet or the grill pan is abnormal, even if the temperature near one of the temperature detection means is too low to detect the abnormality, the worst is Since the abnormal temperature can be detected by the temperature detection means, the cooking oil in the grill, the cooking food in the grill pan, and the oil from the cooking food are not heated abnormally, so that the cooking oil does not ignite and safety is ensured. It can be secured.

According to a third aspect of the invention, the heating control unit has a plurality of upper limit temperature thresholds for the temperatures detected by the internal temperature detection means and the grill pan temperature detection means, and each time the detected temperature exceeds each threshold, the combustion heating unit When the amount of combustion is changed in the decreasing direction and exceeds the upper limit temperature threshold of the final stage, so that the combustion of the combustion heating unit is stopped,
The combustion heating unit is controlled when the temperature detected by one of the temperature detection means is equal to or higher than one of a plurality of temperature thresholds, and the temperature in the grill pan and the grill box is controlled according to a control method incorporated in advance in the control unit. Therefore, when the temperature in the grill cabinet or the grill pan exceeds the first upper limit temperature threshold value, the combustion state is controlled to become a weak state with a small combustion amount, and then the second upper limit temperature is controlled. When the temperature threshold is exceeded, the combustion is stopped, or the combustion is continued or stopped in the temperature change state by observing the temperature change for a predetermined time from the time when the second upper limit temperature threshold is exceeded. Control becomes possible.

  Therefore, since the temperature in the grill pan and the grill cabinet does not rise above the upper limit temperature threshold, the cooked food in the grill pan, the cooked food in the grill pan, or the oil from the cooked food is abnormally heated. As a result, cooking oil does not ignite and safety can be ensured. Therefore, when the food comes into contact with one of the temperature detection means, or the oil of the food is scattered, or when the temperature rises rapidly during heating for some reason, the temperature becomes abnormal. However, since the temperature is controlled by a plurality of temperature thresholds and at the same time, it is controlled by any one of the temperature thresholds. The problem that safety cannot be secured can be solved, and a safe and easy-to-use grill can be realized.

  According to a fourth aspect of the present invention, the heating control unit has an upper limit temperature threshold and a lower limit temperature threshold for the temperatures detected by the internal temperature detection means and the grill pan temperature detection means, respectively, and the upper limit is set according to the detected temperature at the start of use. The temperature threshold value and the lower limit temperature threshold value are changed, and there are different control methods for each temperature threshold value. When the temperature detected by either temperature detection means is equal to or higher than the upper limit temperature threshold value, the combustion heating part is controlled. Then, by controlling the temperature in the grill pan and the grill cabinet, the temperature threshold value and the control method for controlling the combustion at the start temperature of the grill pan or the grill pan when using the grill are changed. When the second grill cooking is finished and the food is taken out and cooking of the second cooking is started, the oil from the cooking section accumulated in the grill pan in the first cooking is hot. If the detected temperature of the temperature detecting means is obtained, the temperature rise time becomes longer by starting heating the combustion state with a small amount of combustion from the obtained time point, so the cooking time becomes longer and the cooking time is longer, but cooking is necessary. The problem that combustion is stopped and heating is not performed in an incomplete state is eliminated.

  In addition, since the grill cabinet and the grill pan have threshold values, safety can be ensured, and an easy-to-use grill can be provided.

  Embodiments of the present invention will be described below with reference to FIGS.

(Embodiment 1)
1 is a sectional view of a grille according to an embodiment of the present invention as seen from the side, FIG. 2 is a sectional view of the grille as seen from the front, FIG. 3 is an external view of a stove incorporating the grille, and FIG. FIG.

  In the figure, a grill 1 (hereinafter referred to as “grill”) is provided with a grill pan 5 in a grill 4 in a grill case 3 in a grill case 3 so that the grill pan 5 can be moved in and out in the front-rear direction. The main body is configured by attaching the lower burner 7 and the upper grill burner 8 and attaching the grill door 11 for opening and closing the opening 10 of the front face 9 of the grill case 2 to the grill pan 5. In the case of this example, the grill 1 is incorporated in a casing 13 of a gas stove 12 as shown in FIG. 2, and a stove burner 14 and a goto 15 are provided on the upper surface of the gas stove 12. The grill case 2 is formed in a square box shape with an opening 10 on the front surface 9. An exhaust passage 20 is led out from above the rear portion 18 in the grill case 2, and the exhaust passage 20 is connected to an exhaust port on the upper surface of the gas stove 12. 21 is communicated. A grill net 22 is disposed on the grill pan 5 disposed in the grill cabinet 3, a grill lower burner 7 is provided below the grill net 22 of the side plate 17 of the grill case 2, and the side plate 17 of the grill case 2 is provided. The combustion chamber 24 is constituted by the grill case cover 23 and the grill case 2 outside the cylinder, and the upper burner 8 is provided in the combustion chamber 24. The upper portion of the combustion chamber 24 communicates with the inside of the grill cabinet 3, so 5 is filled with water and the food is placed on the grill 22 so that it can be cooked. In the case of this example, the combustion chamber 24 is provided on the side surface in the grill cabinet 3 separately from the inside of the grill cabinet 3, the lower grill burner 7 and the upper grill burner 8 are provided, and the cooked food on the grill net 22 is viewed from above and below. Although it is a double-sided grill to cook, the single-sided grill which provided the grill burner on the upper side of the grill 1 may be sufficient.

  The temperature thermistor A27 and the temperature detecting means of the grill pan 5 provided so that the heat sensitive part A26 of the temperature detecting means in the grill cabinet protrudes from the outside of the grill cabinet 3 of the rear plate 19 of the grill case 2 into the grill cabinet 3. A temperature thermistor B29 is provided on the bottom part 4 formed by bending the grill case 2 into a U-shape, and the heat sensitive part B28 is provided so as to protrude into the grill cabinet 3, and the heat sensitive part of the temperature thermistor B29 is provided. Part B28 is configured to contact the bottom surface of grill pan 5. The temperature thermistor A27 and the temperature thermistor B29 change in electrical resistance depending on the temperature.

  As shown in FIG. 4, the gas supply control unit 31 includes a control signal for the temperature thermistor A 27 and the temperature thermistor B 29, a time timer 32 signal, and a preset temperature in the grill 3. The amount of gas supplied to the burner 7 on the grill and the burner 8 on the bottom of the grill is changed on the basis of the control signal issued from the heating control unit 34 based on the threshold value 33 and the heating control method, and the combustion of both gas burners is controlled and burned. Are incorporated into the gas stove 12 in a state having a sequence of continuing and stopping.

  Next, the operation and action will be described. When cooking is performed on the grill 1, gas is supplied to the burner 7 on the grill and the burner 8 on the bottom of the grill by the operation of the gas supply control unit 31 according to a signal from the heating control unit 34 and burns. As a result of this combustion, the temperature in the grill cabinet 3 depends on the amount of cooked food and the grill load such as cooking oil or cooked debris existing in the grill pan 5 before cooking as shown in FIG. It rises. At this time, the speed of temperature rise varies depending on the grill load. And in the case of forgetting to turn it off more than cooking, it rises to the temperature which leads to ignition of cooked foods such as fish or oil.

  Further, the temperature of the grill pan 5 also changes and rises similarly to the temperature in the grill cabinet 3 as shown in FIG.

Therefore, in the present invention, the temperature of the grill 3 is detected by the temperature thermistor A27 simultaneously with the start of use of the grill 1 and the temperature of the grill pan 5 is detected by the temperature thermistor B29. End detection. A temperature equal to or higher than the upper limit temperature threshold determined by the correlation between the detected temperature obtained by the temperature thermistor 27 operating in this way and the food on the grill 22 in the grill 3 and ignition is obtained. When detected by Mr. A27, the gas supply control unit 31 is operated by the operation of the heating control unit 34 with the detected temperature information, and the supply of the gas supplied to the burner 7 on the grill and the burner 8 on the bottom of the grill is cut off to stop the combustion. By doing so, further heating can be prevented, and ignition of the food in the grill 3 due to abnormal heating can be prevented. Similarly, the temperature of the grill pan 5 is detected by the temperature thermistor B29, and the temperature equal to or higher than the upper limit temperature threshold value determined by the correlation between oil and the like accumulated during cooking in the grill pan 5 and ignition. When the thermistor 29 detects, the gas supply control unit 31 is operated by the operation of the heating control unit 34 based on the detected temperature information, and the supply of the gas supplied to the burner 7 on the grill and the burner 8 on the bottom of the grill is cut off to perform combustion. By stopping, further heating can be prevented, and ignition of the oil or cooked food in the grill pan 5 due to abnormal heating can be prevented.

  In addition, when the relationship between the detected temperatures of the temperature thermistor A27 and the temperature thermistor B29 exceeds the respective upper limit temperature threshold values, it is good to control the gas supply control unit 31 with either detected temperature information. Results are obtained. Further, when the detected temperature of each of the temperature thermistor A27 and the temperature thermistor B29 differs depending on the amount of cooked food, the amount of water, etc., the detected temperature of the temperature thermistor A27 is adopted. Whether to use the temperature detected by the temperature thermistor B29 is determined by determining the rising history or rising gradient of both temperatures in the sequence incorporated in the heating control unit 34 and giving priority to either detected temperature. By adopting a temperature that does not ignite and controlling the gas supply control unit 31 to cut off the supply of gas to the burner 7 on the grill and the burner 8 on the bottom of the grill, the ignition in the grill 3 or the grill plate 5 due to abnormal heating Can be prevented. In this way, the temperature in the grill cabinet 3 and the grill pan 5 is directly compared with the method in which the gas is cut off by the timer forgotten to turn off by detecting the temperature in the grill pan 3 and the grill pan 5 and shutting off the gas supply. Can be captured and safe operation can be ensured.

  Further, as in the prior art, the temperature in the grill cabinet 3 is detected by a single temperature sensor, the temperature of the grill pan 5 is determined by obtaining the correlation between the temperature in the grill pan 3 and the temperature of the grill pan 5, and the burner 7 on the grill is determined. When the combustion of the burner 8 under the grill is controlled, there are the following problems. However, when the temperatures of the grill cabinet 3 and the grill pan 5 are directly detected by the temperature sensor as in the present invention, such a problem is present. There is no. When the temperature is detected by the temperature sensor in the grill cabinet 3 as in the prior art, when the grill door 11 is closed (usually cooking), the grill door is used to check whether the food is cooked or not. Since the cold air flows into the grill cabinet 3 from the grill door 11 when the door 11 is opened and closed, the temperature distribution in the grill cabinet 3 becomes unevenly distributed between the high temperature portion and the low temperature portion. Since it cannot be detected, if the grill door 11 is opened and closed during cooking, the temperature in the grill cabinet 3 in the vicinity of the temperature sensor partially becomes an abnormal temperature value in a high temperature state, and the gas is shut off so that the ignition operation must be performed again. With that. In addition, if the temperature sensor in the grill 3 is cooled and the food is in a dangerous temperature state, the fire is ignited if the temperature sensor is overheated with the detected temperature information that the detected temperature is low. End up.

Moreover, if the temperature sensor is not cooled until it is cooled to an abnormal temperature or less after the fire is extinguished, there is a problem that even if the ignition operation is performed again, the gas is immediately shut off and cannot be used. However, by providing two temperature thermistors A27 and temperature thermistors B29 in the grill cabinet 3 and the grill pan 5 as in the present invention, and detecting the temperature in the grill pan 3 and the temperature of the grill pan 5, the temperature thermistor Since the upper limit temperature threshold set from the limit of firing when heated above this temperature is correlated with the detected temperature of 27 and the ignition of the cooked food or the like, the upper limit temperature threshold is set. Combustion is controlled by comparing the value with the temperature information detected by the temperature thermistor 27. In addition, the upper limit temperature threshold set from the limit of ignition when heated to a temperature higher than this temperature in the correlation between the detected temperature of the temperature thermistor B29 and the ignition of the cooked food or the like is previously set in the heating control unit 3.
4, combustion is controlled by comparing the upper limit temperature threshold value with the detected temperature information of the temperature thermistor 29.

  Note that the upper limit temperature threshold value of the temperature thermistor 27 and the upper limit temperature threshold value of the temperature thermistor 29 are not necessarily the same temperature value, and the temperature in the grill cabinet 3 is compared with the temperature of the grill pan 5. When the temperature rises due to heating after ignition, a high upper limit temperature threshold is generally set. Therefore, when the temperature thermistor 27 detects an abnormal temperature due to a non-uniform temperature distribution in the grill cabinet 3 as in the prior art, the temperature thermistor 29 detects the temperature via the grill pan 5. The rapid temperature change is not directly transmitted to the heat sensitive part B28, and there is a time difference with the temperature change. Therefore, the temperature is detected without any trouble, and the gas supply control part 31 is controlled by the signal of the heating control part 34 to grill. By shutting off the gas supply to the upper burner 7 and the lower grill burner 8, it is possible to prevent the ignition of the inside of the grill 3 or the grill pan 5 due to abnormal heating, so that a safe grill 1 can be provided.

  Further, the gas supply control unit 31 controls the gas supply amount to be reduced by comparing with the judgment threshold value 31 and the like sequenced by the heating control means 34 based on the temperature detection information of the temperature thermistor A27 and the temperature thermistor B29. Since the control method is input to the heating control means 34, the gas supply amount is controlled while observing the temperature in the grill cabinet 3, so that the grill 1 capable of cooking while keeping the temperature in the grill cabinet 3 constant is provided. realizable.

(Embodiment 2)
FIG. 5 is a diagram showing the relationship between the temperature threshold values of the grill cabinet and the grill pan according to the second embodiment of the present invention. In addition, the thing of the same code | symbol as another embodiment has the same structure, and abbreviate | omits description.

  The difference from the other embodiments is that the heating control unit has upper and lower temperature thresholds for the temperature of the grill pan 5 different from the upper and lower temperature thresholds for the temperature in the grill 3 as shown in FIG. I have just done it.

  Next, the operation and action will be described. An exhaust port is provided on the other side of the grill cabinet 3 provided with a grill door on the front surface, and a grill pan 5 for placing the grill net 22 is provided in the grill cabinet. The temperature thermistor A27 is provided in the upper grill cabinet 3, and the temperature thermistor B29 for detecting the temperature of the bottom surface of the grill pan 5 is provided below the grill 22, so that the food is placed on the grill 22. The combustion gas that heats the upper side of the food and the combustion gas that heats the lower side are not mixed at the food. Therefore, a temperature difference occurs between the temperature thermistor A27 and the temperature thermistor B29 during cooking. This temperature difference is caused by acting as a load on the grill 1 depending on the amount of food. Therefore, when the temperature threshold value of the temperature thermistor A27 and the temperature thermistor B29 is the same in a state where this temperature difference has occurred, one of the temperatures of the cooked food is higher and the temperature of either is lower. Even if the temperature distribution changes, the cooked food will continue to be heated and fire will occur when either of the temperature thresholds is the same, and either of them detects a low temperature range in the temperature distribution. When a high temperature region is detected in the temperature distribution, the fire may be extinguished during cooking and cooking may not be possible. However, an optimum temperature threshold value for the inside of the grill cabinet 3 and an optimum temperature threshold value for the grill pan 5 in consideration of changes in the degree of cooking, etc. are provided, and both threshold values are set to different threshold values to supply gas. By controlling the control unit 31, the relationship between the cooked item and the ignition relationship and the temperature are in a more optimal state. Therefore, it is possible to realize a gas stove 12 equipped with the easy-to-use grill 1 without securing the safety with respect to the use state similar to the above and without cutting off the gas supply during cooking.

(Embodiment 3)
Embodiment 3 of the present invention will be described with reference to FIG. In addition, the thing of the same code | symbol as another embodiment has the same structure, and abbreviate | omits description.

  The difference from the other embodiments is that, as shown in FIG. 4, the heating controller 34 has a plurality of upper and lower temperature thresholds for the temperature in the grill 3 and a plurality of upper and lower temperatures for the temperature of the grill pan 5. It has just had a lower temperature threshold.

  Next, the operation and action will be described. An exhaust port 21 is provided on the other surface of the grill cabinet 3 provided with the grill door 11 on the front surface, and a grill pan 5 on which the grill net 22 is placed is provided in the grill cabinet 3 to provide a grill. The temperature thermistor A27 for detecting the temperature in the cabinet 3 and the temperature thermistor A29 for detecting the temperature of the bottom surface of the grill pan 5 are provided at the bottom 4 of the grill cabinet 3, and the grill cabinet is detected by the temperature detected by the temperature detection means. Since the heating control unit 34 that controls the heating in the heating control unit 34 controls the gas supply control unit 31 to control the combustion, the heating control unit 34 controls the temperature thermistor A27 in the grill 3 when the grill 1 starts to be used. A plurality of temperature threshold values for the temperature and a plurality of temperature threshold values for the temperature thermistor A29 temperature of the grill pan 5 are provided and controlled. Therefore, when the temperature at the start of use is high, the components constituting the grill 1 are heated at that time, and the temperature difference between the components is in a naturally cooled state. Since it is smaller than the temperature difference that occurs when it is used and heated, heating is started in a state where there is no temperature difference when the use start temperature is high, and the temperature of the temperature thermistor A27 or temperature thermistor A29 is The temperature difference of each component when the upper limit temperature threshold is reached is smaller than when the use is started at a lower temperature. Therefore, since the temperature difference between the respective parts at the time of ignition is small and there is no extreme abnormal temperature distribution, no ignition occurs even if the upper limit temperature threshold temperature is increased accordingly. On the other hand, by setting the upper limit temperature threshold temperature at a low use start temperature low, the abnormal temperature distribution and the like are absorbed, so that safety is secured against ignition.

(Embodiment 4)
Embodiment 3 of the present invention will be described with reference to FIG. The difference from the other embodiments is that, as shown in FIG. 4, the heating control unit 34 has upper and lower temperature thresholds for the temperature in the grill cabinet and the upper and lower temperatures for the temperature of the grill pan, which differ depending on the temperature at the start of use. It has a threshold value and has a different control method for each threshold value.

  Next, the operation and action will be described. An exhaust port 21 is provided on the other surface of the grill cabinet 3 provided with the grill door 11 on the front surface, and a grill pan 5 on which a grill net 22 is placed in the grill cabinet 3 is provided. 3, a temperature detecting means for detecting the temperature of the bottom surface of the grill pan 5 at the bottom 4 of the grill 3, a combustion heating unit, and a heating control unit, and the heating control unit differs in the temperature at the start of use. 3. There are upper and lower temperature thresholds for the temperature in 3 and upper and lower temperature thresholds for the temperature of the grill pan, and there are different control methods for each temperature threshold, either temperature detection By controlling the combustion heating unit with the detected temperature of the means and the temperature threshold, and controlling the temperatures in the grill pan 5 and the grill cabinet 3, the temperature in the grill cabinet 3 when using the grill 1 or the use start temperature of the grill pan 5 is controlled. Temperature threshold to control combustion By changing the control method, for example, when the first grill cooking is completed and the food is taken out and the second cooking is started, the cooking portion accumulated in the grill plate by the first cooking is used. If the temperature detected by the temperature detecting means of the grill pan 5 that the oil that has come out is high is obtained, the temperature rise time becomes longer by starting to heat the combustion state with a small amount of combustion from the obtained time point, so the cooked food However, there is no longer a problem that combustion is stopped and heating is not performed when cooking is not completed.

  In addition, since the grill 3 and the grill pan 5 have temperature thresholds, safety can be ensured, so that an easy-to-use grill can be provided.

As described above, the cooker according to the present invention relates to a grill using gas as a fuel and a stove equipped with the main grill, and the upper limit temperature threshold, the lower limit temperature threshold, and the temperature of the grill pan with respect to the temperature in the grill. The control unit provided with the upper limit temperature threshold value and the lower limit temperature threshold value for the combustion heating unit stops the combustion when the detected temperature of the temperature detection means in the grill pan or the grill box exceeds the upper limit temperature threshold value. . The temperature in the grill pan or the grill cabinet is controlled by controlling the temperature in the grill pan and the grill cabinet by controlling the temperature of the combustion heating section so that the temperature detected by either temperature detection means is lower than the lower limit temperature threshold and controlling the temperature in the grill pan and the grill cabinet. Because it is possible to provide a gas stove that can be cooked while ensuring a safe gas grill that does not ignite such as cooked items in the grill by detecting or detecting combustion and continuing or stopping combustion at the threshold value that each has The present invention is not limited only to gas cookers, and can be applied to uses such as cookers using electricity.

Sectional drawing seen from the side of the grill in Embodiment 1 of the present invention Cross section viewed from the front of the grill External view of stove incorporating the grill Operation diagram of the grill The figure which shows the relationship between the temperature threshold value of the grill warehouse and grill pan in Embodiment 2 of this invention. Schematic sectional view of a conventional grill viewed from the side

Explanation of symbols

1 Grill 3 Grill compartment 5 Grill pan 7 Grill lower burner (combustion heating part)
8 Burner on the grill (combustion heating section)
11 Grill door 12 Gas stove 21 Exhaust port 22 Grill net 27 Thermistor A (temperature detection means)
29 Thermistor B (Temperature detection means)
34 Heating control unit

Claims (4)

A grill pan that can slide freely inside and outside the grill cabinet in conjunction with the pulling operation of the grill door, an exhaust port that communicates with the grill cabinet and exhausts exhaust gas inside the cabinet, and the inside of the grill cabinet is predetermined. Combustion heating section for heating to temperature, internal temperature detection means for detecting the temperature in the grill storage, grill pan temperature detection means for detecting the bottom surface temperature of the grill pan, and the detected temperature of each temperature detection means And a heating control unit that controls the combustion heating unit, and the heating control unit sets an upper limit temperature threshold value and a lower limit temperature threshold value for the temperatures detected by the internal temperature detection means and the grill pan temperature detection means, respectively. Also, when the detected temperature of at least one of the internal temperature detecting means and the grill pan temperature detecting means exceeds the upper limit temperature threshold, the combustion heating unit is stopped in combustion, and When one of the detected temperature Raka is below the lower limit temperature threshold, the gas cooker that allows a state of combustion of the combustion heating unit. The heating control unit has an upper limit temperature threshold and a lower limit temperature threshold for the temperatures detected by the interior temperature detection means and the grill pan temperature detection means, respectively. The upper limit temperature threshold and the lower limit temperature threshold are the interior temperature detection means and the grille. The gas cooker according to claim 1, wherein the dish temperature detecting means has different values. The heating control unit has a plurality of upper limit temperature thresholds for the temperatures detected by the internal temperature detection means and the grill pan temperature detection means, and each time the detected temperature exceeds each threshold, the combustion amount of the combustion heating unit decreases. The gas cooker according to claim 1, wherein the combustion of the combustion heating section is stopped when the upper limit temperature threshold value of the final stage is exceeded. The heating control unit has an upper limit temperature threshold and a lower limit temperature threshold for the temperatures detected by the internal temperature detection means and the grill pan temperature detection means, respectively, and the upper limit temperature threshold and the lower limit temperature threshold according to the detected temperature at the start of use. The gas cooker according to claim 1, wherein the gas cooker is changed.