JP2008067804A - Grill device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a grill device which can always keep the cleaning ability of a catalyzer with the catalyzer for cleaning oil smoke and odor in exhaust air arranged in the exhaust path of the grill. <P>SOLUTION: The grill device has a grill case heating receiving ingredients to be cooked and heating the same by an incorporated grill heater, the exhaust path discharging the exhaust air in the grill case to the outside by an exhaust fan, the catalyzer arranged in the exhaust path, a catalyzer heater heating the catalyzer, and a control means controlling the power distribution to the catalyzer heater, the grill heater, or the exhaust fan or others according to a manual cooking mode or an automatic cooking mode, the control means is constituted so as to carry out automatic cleaning energizing the catalyzer heater and the exhaust fan for a predetermined time after completion of cooking in the case where the predetermined preset automatic cooking in which the ingredients to be cooked is raw fishes or others in advance is carried out predetermined preset times. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention mainly performs grilled fish, and in particular, a grill case in which an object to be cooked such as fish is stored and heated is provided with an exhaust passage, and a catalyst for removing odors and oily smoke is disposed in the exhaust passage. Relates to the device.

A grill device that mainly cooks fish and is installed in a kitchen such as an electromagnetic cooker and used in a kitchen. The exhaust generated in the grill case is discharged to the outside from the exhaust passage. However, in the grilled fish, the odor of the exhaust discharged from the exhaust passage is strong. For example, as shown in Patent Document 1 In some cases, a catalyst is disposed in the exhaust passage, and the catalyst removes odor and oily smoke in the exhaust.
JP-A-2005-204854

  On the other hand, in the case where the catalyst is provided in the exhaust passage as described above, the catalyst is heated to 300 ° C. or more by a catalyst heater and activated, but a large amount of oily smoke is generated during cooking in the case of roasting raw fish, There is a problem that heating of the catalyst heater during cooking is not sufficiently activated and the decomposition ability is lowered.

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to always maintain the purification ability of a catalyst by automatically cleaning the catalyst according to cooking contents.

  According to a first aspect of the present invention, there is provided a grill case that is heated by a grill heater that houses and incorporates an object to be cooked, an exhaust passage that exhausts exhaust in the grill case to the outside by an exhaust fan, and the exhaust passage. A catalyst heater for heating the catalyst, and a control means for controlling energization to the catalyst heater, grill heater, exhaust fan, etc. according to the manual cooking mode or automatic cooking mode. When a predetermined automatic cooking such as raw fish is performed for a predetermined number of times, the means is automatically cleaned by energizing the catalyst heater and the exhaust fan for a predetermined time after completion of the cooking. It is constructed in the same way.

  According to a second aspect of the present invention, in the configuration of the first aspect, the control means adds a coefficient every time automatic cooking is performed by adding a coefficient according to the contents of automatic cooking, and this coefficient is preset. If the set value is exceeded, a message prompting the user to clean the interior is output.

  According to a third aspect of the present invention, there is provided a grill case that is heated by a grill heater that houses and contains an object to be cooked, an exhaust passage that exhausts the exhaust in the grill case to the outside by an exhaust fan, and the exhaust passage. A catalyst heater for heating the catalyst, and a control means for controlling energization to the catalyst heater, grill heater, exhaust fan, etc. according to the manual cooking mode or automatic cooking mode. When the manual cooking mode is cooked for a predetermined time with a high heating power, automatic cleaning is performed by energizing the catalyst heater and the exhaust fan for a predetermined time after cooking is completed. It is.

  According to a fourth aspect of the present invention, in the configuration of the first or third aspect, the control means counts the number of times of automatic cleaning, and when the number of times reaches a predetermined number set in advance, the user performs cleaning in the cabinet. It is configured to output a message prompting the user.

  According to the configuration of claim 1 of the present invention, the catalyst is always activated by automatically cleaning the catalyst when a predetermined number of times of automatic cooking in which a large amount of oil smoke is generated during cooking of raw fish, etc., It is possible to prevent a decrease in oxidative decomposition ability. Also, after cooking, compared to the case where the automatic cleaning is performed by always energizing the catalyst heater or grill heater for a predetermined time, the automatic cleaning is performed only when necessary, thereby reducing the power consumption by the heater and It is possible to prevent the food to be cooked from drying when taking out is delayed.

  According to the configuration of the second aspect of the present invention, a coefficient is added each time the coefficient is added according to the contents of the automatic cooking, and when the added value reaches a predetermined value, the user performs the internal cleaning. By outputting a prompt message, the inside of the grill case can be cleaned at an appropriate timing, and oil and foreign matter can be prevented from sticking to the inner wall due to forgetting to clean.

According to the configuration of the third aspect of the present invention, when the manual cooking mode is performed for a predetermined time set with a high heating power, the automatic cleaning is performed after the cooking is completed. Even if a large amount of oily smoke is generated by cooking, activation of the catalyst by automatic cleaning can prevent the generation of oily smoke and odor due to a decrease in the oxidative decomposition ability of the catalyst.
According to the configuration of the fourth aspect of the present invention, the number of times of automatic cleaning is counted, and when the number of times reaches a predetermined number, a message for prompting cleaning of the interior is notified, so that the number of times of automatic cleaning of the catalyst is notified. This facilitates cleaning of the inside of the cabinet, thereby reliably preventing oil and foreign matter from sticking to the inner wall of the grill case.

  An embodiment according to the present invention will be described first with reference to FIG. 1 taking an electromagnetic cooker as an example. Reference numeral 1 denotes a cooker body of an electromagnetic cooker used by being incorporated into a system kitchen or the like by a drop-in method. A glass top plate 2 is mounted, and a pair of left and right induction heating coils 3 and 4 and a radiant heater 5 serving as a heat source are built in the lower portion of the top plate.

  On the other hand, an operation panel 6 is disposed on the right side of the front surface of the electromagnetic cooker body 1, and a grill door 8 for the grill 7 is disposed on the left side of the operation panel so that it can be pulled out. Is provided with a seesaw type power switch 9, a plurality of operation keys 10,... And a push-push type operation knob 11. When the operation knobs 11 are pulled out by a push operation, the induction heating coils 3 and 4, the radiant heater 5 and the grill heater (not shown) in the grill 7 are energized. It is configured to set the heating power, cooking time, cooking temperature, etc. when rotating with.

  Further, the outer peripheral edge of the top plate 2 is pressed and fixed by the top plate frame 12, and a non-contact type touch key for detecting an input operation from a change in capacitance is provided at the front end portion of the top plate frame. The constructed operation unit 13 is disposed, and intake and exhaust holes 14 are formed on the left and right of the rear end of the top plate frame 12.

  On the other hand, as shown in FIG. 2, the operation unit 13 has a heating key 16..., Hot water keys 17 and 17, fried food keys 18 and 18, a grill key 19, and a grill menu key 20 on the front or back surface of the glass plate 15. The touch area of the grill thermal power key 21 is arranged by printing, and an input operation to each touch key is detected by an operation circuit board, which will be described later, arranged on the back surface of the glass plate 15. The input operation is detected by a change in capacitance due to contact or proximity of a finger or the like to the touch area.

  Further, a liquid crystal display 23 composed of a liquid crystal display with a backlight or the like is disposed below the front portion of the top plate 2 between the induction heating coils 3 and 4, and a set heating power or The cooking time and cooking temperature are displayed.

  Further, a menu display section 24 for the grill 7 is provided behind the liquid crystal display 23 between the induction heating coils 3 and 4, and a “raw fish” lamp 25 for automatic cooking mode, ”Lamp 26,“ filler / dried fish ”lamp 27, and“ manual ”lamp 28 for manual cooking, and each time the grill menu key 20 is turned on, the lamps 25, 26, 27, 28 are sequentially lit. The automatic cooking mode “raw fish”, “tsukeyaki”, “fillet / dried fish”, and the manual cooking mode are selected, and after selecting, the grill key 19 is turned on to start cooking. Yes.

  An embodiment of the grill 7 will be described with reference to FIG. 3. The grill heaters 71, 71 are configured such that the front surface of the grill case 70 is opened and closed by the grill door 8, and the grill case 70 is composed of sheathed heaters above and below. And an exhaust plate 73 having a large number of exhaust holes 72 is fixed to the back surface of the grill case 70.

  Reference numeral 74 denotes an exhaust cylinder connected to the exhaust holes 72..., And an exhaust passage 75 communicating with the outside air through the intake and exhaust holes 14 is defined inside the grill case 70. A catalyst heater 76, a catalyst 77, and an exhaust fan 78 are sequentially built in from the rear.

  The catalyst heater 76 is constituted by a sheathed heater or the like, and the catalyst 77 is a net-like or honeycomb-like shape having a large number of air holes, mainly composed of platinum, palladium, or the like that oxidizes and decomposes oil smoke in the exhaust passing therethrough. The catalyst 77 is heated to 300 degrees or more by the heater 76 to promote the oxidative decomposition action.

  Reference numeral 79 denotes a grill net on which an object to be cooked 80 such as fish is placed, which is detachably mounted on a tray 81 and is stored in the grill case together with the tray from the front of the grill case 70.

  Reference numeral 82 denotes an exhaust temperature sensor disposed between the catalyst of the exhaust passage 75 and the exhaust fan 78, which is constituted by a thermistor or the like and detects the exhaust temperature flowing through the exhaust passage 75.

  FIG. 4 is a block diagram of a control circuit 30 that controls the energization of the induction heating coils 3 and 4, the radiant heater 5, the grill heaters 71 and 71, the catalyst heater 76, and the like. A power supply circuit 33 is connected through the power supply circuit 32, a main control circuit 34 constituted by a microcomputer is connected to the output of the power supply circuit, and a voltage detection circuit 35 is connected to the power supply 31 through the power switch 9. The output of the voltage detection circuit is connected to the input port of the main control circuit 34.

  An inverter circuit 37 is connected to the relay contact 32 via an input power detection circuit 36, and the induction heating coils 3 and 4 and the current value supplied to the coil are detected at the output of the inverter circuit. A coil current detection circuit 38 is connected, and an output of the input power detection circuit 36 is connected to an input port of the main control circuit 34.

  Further, the operation keys 10... Arranged on the operation panel 6 are connected to the input port of the main control circuit 34 through the key detection circuit 43.

  The output port of the main control circuit 34 is connected to the radiant heater 5, the grill heaters 71 and 71, and the catalyst heater 76 through the heater drive circuit 44, and the cooker body through the cooling fan drive circuit 46. 1, a cooling fan 47 mounted in 1 is connected, the exhaust fan 78 is connected via an exhaust fan drive circuit 48, and a relay drive circuit 49 for operating the relay contact 32 is connected.

  The input / output port of the main control circuit 34 is connected to a memory 53 constituted by a nonvolatile memory for storing various data and a communication circuit 54, and the communication circuit is connected to a sub control circuit 60 constituted by a microcomputer. Is connected.

  The input port of the sub-control circuit 60 is connected to the pan bottom thermistors 62 and 63 disposed near the center of the induction heating coils 3 and 4 and the exhaust temperature sensor 82 via the temperature detection circuit 61. The touch keys 16..., 17, 18, 19, 20, 21 etc. of the operation unit 13 are connected to the output port via the key detection microcomputer 64, and the touch key 16 is silently moved by the approach of the finger. The input operation is detected by the change in electric capacity.

  Thus, when cooking on the grill 7, the cooking object 80 is placed on the grill net 79 and stored in a predetermined position in the grill case 70, and then the power switch 9 is turned on, and then the menu display unit 24. While turning on the grill menu key 20 of the operation unit 13 to select an automatic cooking menu or manual cooking and turning on the grill key 19, these operations are transferred to the main control circuit 34 and the sub control circuit 60. Then, the grill heaters 71 and 71, the catalyst heater 76, and the exhaust fan 78 are energized to start cooking.

  On the other hand, the main control circuit 34 and the sub control circuit 60 count the number of cooking times of “raw fish” in the automatic cooking menu that generates a large amount of smoke during cooking, and the count number is set to a predetermined number (for example, 5 times). Is reached, at least the catalyst heater 76 and the exhaust fan 78 are energized for a predetermined time after cooking is completed, and the catalyst 77 is automatically cleaned.

  With these configurations, for example, compared to a case where automatic cleaning is performed by energizing the catalyst heater or the grill heater each time cooking is completed, power consumption by these heaters can be reduced, and the food to be cooked from the grill case after cooking is completed. It is possible to prevent drying and overheating of the food to be cooked as much as possible when the time until taking out is long.

  As another embodiment of the present invention, the main control circuit 34 and the sub-control circuit 60 give a coefficient according to the cooking content of the automatic cooking menu (in the embodiment, for example, “Raw fish” is set to 5, “Baked” is 1 and “fillet / dried fish” is 3). These coefficients are added each time automatic cooking is performed, and automatic cleaning is performed when the added value reaches a predetermined value (for example, 20). It is configured.

  With these configurations, automatic cleaning can be performed according to the amount of oily smoke and odor generated by the cooking contents of automatic cooking, thereby suppressing energization to the catalyst heater 76 and the exhaust fan 78 more than necessary, and wasting power. At the same time, it is possible to extend these lifetimes.

  Furthermore, as another embodiment of the present invention, the main control circuit 34 and the sub control circuit 60 are cooked for a predetermined time or longer (for example, time) with the heating power set to “strong” in the manual cooking mode. In this case, the automatic cleaning is performed by energizing the catalyst heater 76 and the exhaust fan 78 for a predetermined time after cooking is completed.

  With these configurations, it is possible to purify the catalyst 77 by measuring the time for manual cooking with “strong” thermal power, which is likely to generate a large amount of oily smoke and odor, and performing automatic cleaning when this cooking is performed for a predetermined time. The ability can be maintained.

  As another embodiment of the present invention, when the main control circuit 34 and the sub control circuit 60 perform the automatic cleaning for a predetermined number of times (for example, 10 times), the voice and the liquid crystal display 23 are connected. It is configured to notify a message prompting the cleaning of the interior, and with these configurations, the interior is cleaned at an appropriate timing by prompting the interior cleaning based on the number of automatic cleanings. It is possible to prevent oil from adhering to the inner wall of the grill case 70 and scorching due to forgetting to clean.

It is a perspective view which shows the Example of this invention. It is a top view of the principal part similarly. It is side surface longitudinal cross-sectional view of a grill part similarly. It is also a block diagram of a control circuit.

Explanation of symbols

30 Control circuit (control means)
70 Grill case 71 Grill heater 75 Exhaust passage 76 Catalyst heater 77 Catalyst 78 Exhaust fan 80

Claims (4)

A grill case that houses and heats the cooking object with a built-in grill heater, an exhaust passage that exhausts the exhaust in the grill case to the outside by an exhaust fan, a catalyst that is disposed in the exhaust passage, and a catalyst that heats the catalyst And a control means for controlling energization to the catalyst heater, grill heater, exhaust fan, etc. according to a manual cooking mode or an automatic cooking mode. When the predetermined automatic cooking set in advance is performed a predetermined number of times, the catalyst heater and the exhaust fan are energized for a predetermined time after completion of the cooking to perform automatic cleaning. And grill equipment. The control means adds a coefficient according to the contents of the automatic cooking and adds a coefficient each time automatic cooking is performed. When the coefficient exceeds a preset value, a message prompting the user to clean the interior The grill device according to claim 1, wherein the grill device is configured to output the above. A grill case that houses and heats the cooking object with a built-in grill heater, an exhaust passage that exhausts the exhaust in the grill case to the outside by an exhaust fan, a catalyst that is disposed in the exhaust passage, and a catalyst that heats the catalyst And a control means for controlling energization to the catalyst heater, grill heater, exhaust fan, etc. according to the manual cooking mode or the automatic cooking mode. A grill apparatus characterized in that, when cooking is performed for a predetermined time with a high heating power, automatic cleaning is performed by energizing the catalyst heater and the exhaust fan for a predetermined time after cooking. The control means is configured to count the number of times of the automatic cleaning, and to output a message prompting the user to clean the interior when the number of times reaches a predetermined number set in advance. The grill apparatus of Claim 1 or Claim 3.

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