JP2005052445A - Cooker - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem with a conventional roaster, such as failure to work due to difficulty of browning the surface of a pizza or a rice cake in spite of the ability to uniformly roast both sides. <P>SOLUTION: The cooker has a cooking compartment 20 storing food, a flat heater 22 and a lower heater 23 to heat food in the cooking compartment 20, a grill 24 on which the food is mounted during storage in the cooking compartment 20, and a net aid 25 removably provided in the grill 24, and can quickly brown the surface of a pizza and a rice dumpling and prevents the food from being given undesirable burn marks by uniforming the heat of the lower heater 23 that is nonuniformly radiated due to the presence of the net aid 25. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to heater heating cooking of a heating cooker.

Conventionally, a heating cooker that arranges a roaster that heats fish etc. inside the main body and also arranges a top plate on the upper surface of the main body and induction heating the cooking pan placed by the magnetic flux of the lower induction heating coil is often used. It was known. (For example, Patent Document 1)
Moreover, what arrange | positions the plane shelf formed with the mesh sheet | seat in a cooking chamber, mounts food on this plane shelf, and performs heater heating cooking is already known. By using this mesh sheet flat shelf, it is possible to support food at many points, making it difficult for drool and other soft food to hang from between the shelf boards, and once receiving the heat of the heater on the flat shelf, then emitting from the flat shelf Since the food is heated by heat, the heat of the heater is transmitted to the plane in the plane shelf, and the non-uniformity of the burnt can be suppressed. (For example, refer to Patent Document 2).
JP 2002-352944 A JP 2002-372246 A

  Such a cooking device is usually designed so that cooking on both sides, such as grilled fish, can be performed evenly, so the surface is quickly burnt and the bottom is heated uniformly, for example pizza When trying to cook, the surface is difficult to burn, which may cause cooking failure.

  The present invention has been made to solve such problems.

  The cooking device of the present invention includes a cooking chamber for storing food, a heater for heating the food in the cooking chamber, a food mounting table for mounting food when stored in the cooking chamber, and the food mounting table. And a food placement net provided detachably.

  A main body provided with the cooking chamber; a top plate disposed on an upper surface of the main body; an induction heating coil disposed under the top plate and induction-heating the cooking pan placed on the top plate; A controller for controlling the operation of the heater of the cooking chamber and the induction heating coil, and the food placing net has a leg portion attached to and detached from the food placing table, and a metal net portion, The leg portion has a height that prevents the net portion from being induction-heated by the induction heating coil when placed on the top plate.

  According to the present invention, even if the food placement net is placed on the top plate for some reason, it is not undesirably heated, even if the user inadvertently lifts the food placement net on the top plate, This prevents the user's hand from being burned.

  Hereinafter, a built-in induction cooking device according to an embodiment of the present invention will be described with reference to the drawings. The target cooking device can be applied to all cooking devices capable of heating with a heater such as a toaster and a fish roaster, in addition to the following built-in induction cooking devices.

  1 and 2, 1 is a main body of the built-in induction heating cooker, 2 is a top plate frame attached to the upper surface of the main body 1, 3 is a ceramic top plate attached to the top plate frame 2, 4 is It is a ventilation part which provided the inlet and the exhaust to the inside of the main body 1 provided in the top plate frame 2 rear part. The ventilation portion 4 is detachably attached with a ventilation cover 4a having a large number of punching holes. In the present invention, the front of the top frame 2 is a side portion of the top frame 2 on the user side when the main body 1 is incorporated in a sink 18 described later and used by the user, and the rear portion. Is the opposite front side, i.e. the side furthest away from the user.

  Reference numeral 5 denotes a top panel operation unit provided on the front side of the top panel frame 2, and 6 denotes a display unit provided on the front center part of the top plate 3. 7 is a roaster unit having a cooking chamber at the rear, and 8 is a door of the roaster unit 8. 9 is an operation part, 10 is an output setting part of the induction heating part in the operation part 9, 11 is a timer setting part for performing timer operation, and 12 is a power switch.

  The display unit 6 is disposed below the top plate 3, the top plate 3 facing the display unit 6 is formed transparent, and is configured so that the user can see the display unit 6 through the top plate 3. Yes.

  Further, the top panel operation unit 5 is configured to be able to perform the same operation instruction setting as the operation unit 9. Therefore, the top panel operation unit 5 has conventionally existed only at the position of the operation unit 9, that is, the front surface of the main body. Therefore, when performing the operation, the problem that the top panel operation unit 5 operates while bending while moving the line of sight is solved. By concentrating in the vicinity of the plate 3, the user can perform stirring and adjusting the heating in the cooking pan in a standing posture, and the usability can be improved.

  Reference numerals 13 and 14 are induction heating portions drawn on the top plate 3 by printing, and 15 is a heater heating portion drawn by printing the radiant heater position. An induction heating coil for induction heating the cooking pan placed on the top plate 3 is disposed below the induction heating units 13 and 14, and the top plate 3 is disposed below the heater heating unit 15. A radiant heater for heating the cooking pot placed on the heater is disposed correspondingly. Reference numeral 16 denotes an output display unit formed of LEDs or the like for displaying the output of the induction heating unit 13, and reference numeral 17 denotes an output display unit formed of LEDs or the like for displaying the output of the induction heating unit 14.

  Such a main body 1 is usually provided in a recess provided in a sink 18 installed in a kitchen at home, so that the top plate 3 is exposed to a top plate portion 18a of the sink 18 as shown in FIG. The loin tub 3 and the operation part 9 are assembled so as to face the side part 18 b of the sink 18. Therefore, it is called a built-in type. It should be noted that the size of the sink 18 is uniform so that a gas stove can be replaced and incorporated.

  In FIG. 4, 19 is an induction heating coil disposed below the induction heating unit 13 of the top plate 3, 20 is a cooker of the roaster unit 7 having a front opening for taking in and out food, and 21 is a bottom 20 a of the cooker 20. A saucer 22, which is detachably connected to the door 8, 22 is disposed on the outer wall of the upper surface 20 b of the cooking cabinet 20, and is a flat heater serving as an upper heater for heating the food stored in the cooking cabinet 20. A lower heater 24, which is formed from a sheathed heater that is disposed in a lower portion of the cabinet 20 and above the tray 21, protruding from the rear surface 20 c of the cooking cabinet 20 into the cooking cabinet 20, is placed in the tray 21, and is A grilling net 25 serving as a food mounting table having a flat surface 24 a for placing food above 23, and a net auxiliary tool 25 serving as a food mounting net detachably mounted on the grilling net 24.

  Further, the cooking cabinet 20 has an opening 20d on the rear surface 20c, an exhaust cylinder 20e connecting the opening 20d and the ventilation part 4, a catalyst heater 20f in the vicinity of the opening 20d of the exhaust cylinder 20e, and the catalyst heater 20f. Aeration of the smoke removal catalyst 20g which is disposed closer to the ventilation portion 4 and decomposes the smoke and odor generated from the food in the cooking cabinet 20 by heating with the catalyst heater 20f and the smoke removal catalyst 20g in the exhaust cylinder 20e. It further has an exhaust fan 20 h that is disposed on the mouth side, sucks smoke and odor in the cooking chamber 20, and exhausts the smoke and odor from the ventilation portion 4.

  The smoke removal catalyst 20g is composed of a platinum catalyst (noble metal catalyst), activated by heating with a catalyst heater 20f, and smoke exhausted from the ventilation portion 4 by low-temperature combustion, that is, oxidative decomposition of organic components. Can be greatly reduced. For this reason, when the ventilation fan for exclusive use of a built-in induction heating cooker is not used in the home kitchen, the suction power of the ventilation fan is small, so that smoke cannot be sufficiently sucked and the entire kitchen is exhausted from the ventilation portion 4. It solves the problem of smoke and odors diffusing and soiling wall surfaces. In particular, many modern kitchens are open-type, and smoke that has diffused into the kitchen can be prevented from flowing into the living room.

  As shown in FIG. 5, the net auxiliary tool 25 is formed of a metal mesh, a lath plate, or a punching plate, and surrounds the mesh portion 26 on which the food can be placed, and surrounds the mesh portion 26. The top plate frame 27 that reinforces the portion 26, and leg portions 28 that are attached near the four corners of the top plate frame 27.

  The leg portion 28 of the net auxiliary tool 25 has a convex tip shape so that the leg portion 28 can be engaged with the flat portion 24a of the grill net 24. Further, the leg portion 28 has a height at which the distance between the net portion 26 and the top plate 3 is not heated by the magnetic flux of the induction heating coil when the net auxiliary tool 25 is placed on the top plate 3. The distance between the leg portion A28a arranged near the four corners on the one surface side of the mesh portion 26 and the net portion 26 and the top plate 3 when the net assisting tool 25 is placed on the top plate 3 is larger than the leg portion A28a. And leg portions B28b disposed in the vicinity of the four corners on the back side of the mesh portion 26. Therefore, when the net auxiliary tool 25 is placed on the grill net 24, at least the distance between the flat portion 24a of the grill net 24 and the net portion 26, that is, when stored in the cooking cabinet 20 of the roaster portion 7, the net portion 26 and the flat surface. The distance from the heater 22 can be selected in two ways.

  The door 8 of the roaster section 7 is provided so that a user pulls forward to open and close the front opening of the cooking cabinet 20, and as shown in FIG. 20 has a window part 81 provided so that the state of the inside of the container 20 can be heard, and a handle 82 for the user to hook in order to store the tray 21 connected to the inside of the cooking cabinet 20 or to pull it out from the cooking cabinet 20. ing. As shown in FIG. 7, the handle 82 protrudes forward from the top plate frame member 83 of the resin door, and a recess 84 is opened downward so that the user's hand is hooked on the protruding portion. Is provided. The handle 82 is provided with a groove 86 on the upper surface 85 in the left-right direction with respect to the door 8, and an anti-slip member 87 for preventing the user's finger from slipping is fitted into the groove 86. . The anti-slip member 87 is formed of a resin of a material different from that of the top plate frame member 83 of the door 8 or heat resistant rubber. Therefore, when the user operates the door 8, the touch feeling is different, and the user can be more concavo-convex to be conscious, and the user's finger can be prevented from slipping from the handle.

  Further, as shown in FIG. 2, the display unit 6 is arranged at a substantially front center portion on the top plate 3. And as shown in FIG. 8, the 1st display part 6a formed in the vicinity of the top-panel frame 2 with one liquid crystal display element, and the 2nd display part 6b arrange | positioned at the back of this 1st display part 6a. Have. The first display section 6a displays the state of induction heating in the induction heating sections 13 and 14. Specifically, in the center, a mode display unit 61 that displays the current heating mode, that is, heating, kettle, heat insulation, deep-fried food cooking, deep-fried food cooking with a small amount of oil, and a position corresponding to each mode on the left and right of the mode display unit 61 It has mode instruction units 62 and 63 made of triangular marks. The mode instruction unit 62 displays the current operation mode of the induction heating unit 13 by turning on a triangle (other triangles are turned off), and the mode instruction unit 63 induces the current operation mode of the induction heating unit 14. It is displayed in the same manner as the heating unit 13.

  The first display unit 6a further includes a setting display unit 64 that displays the current output set value of the induction heating unit 13 or a set temperature in the fried food cooking mode on the upper left side of the mode instruction unit 62, and the setting display unit. A timer time display unit 65 that displays the remaining time when the timer of the induction heating unit 13 is set in the lower stage of 64, and the current output set value of the induction heating unit 14 or the fried food cooking mode in the upper stage on the right side of the mode instruction unit 63 In this case, a setting display unit 66 for displaying the set temperature and a timer time display unit 67 for displaying the remaining time when the timer of the induction heating unit 14 is set are provided below the setting display unit 66.

  In addition, the second display unit 6b includes a heater setting display unit 68 for displaying the driving state and setting output of each heater of the radiant heater and the roaster unit 7 on the side close to the first display unit 6a, and an automatic cooking menu for the roaster unit 7. A display unit 69 is arranged. The automatic cooking menu display unit 69 is configured to display an instruction on the currently executed menu by turning on an LED or the like from below.

  In FIG. 9, 30 has an induction heating coil 19, an induction heating control unit that induction-heats the cooking pan placed on the induction heating unit 13 printed on the top plate 3, and 31 also includes an induction heating coil that is not shown. An induction heating control unit that induction heats the cooking pan placed on the induction heating unit 14 printed on the top plate 3 and 32 is a cooking pan placed on the induction heating units 13 and 14 cannot be induction heated. For example, in the case of an aluminum pan or earthenware pan, or a small item that is not desired to be heated unintentionally because it is mistakenly placed, such as a fork or knife, it is detected by the current flowing in the induction heating control units 30 and 31, and heating is not performed. When it is determined to be appropriate, the load detection unit stops driving the induction heating control unit 30 or 31.

  Reference numeral 33 denotes a radiant heater disposed below the heater heating unit 15, 34 denotes a roaster heater that is a general term for the flat heater 22 and the lower heater 23, and 35 denotes a control unit that is disposed in the main body 1 and sucks in from the ventilation unit 4 to be described later. It is a cooling fan that cools the induction heating coil and the like and exhausts it again from the ventilation part 4. 36 is an IH thermistor group disposed on each induction heating coil below the top plate 3, 37 is a roaster thermistor which is attached to the side wall of the cooking cabinet 20 and detects the temperature in the cooking cabinet, and 38 is a control which will be described later. A substrate thermistor group 39 for detecting the temperature on the printed circuit board on which the unit is placed and the temperature of the power switching elements and diode bridges used in the induction heating control units 30 and 31, and 39 is the top panel operation unit 5 and operation unit 9 Drive instructions are output to the induction heating control units 30 and 31, the radiant heater 33, the roaster heater 34, the cooling fan 35, etc. based on the instructions from the IH thermistor group 36, the roaster thermistor 37, and the substrate thermistor 38. A control unit 40 for driving control is a control power source unit that forms a control power source from a commercial power source and supplies the control power source to the control unit. The induction heating control units 30 and 31 and the radiant heater 33 are also collectively referred to as a heating unit.

  The power switch 12 is disposed between the control power source 40 and the commercial power source, and the catalyst heater 20f, the exhaust fan 20h, the induction heating control units 30, 31, the radiant heater 33, the roaster heater 34, and the cooling fan 35 are Branching from the power line between the power switch 12 and the control power source 40, power is supplied to each component. Therefore, when the power switch 12 is turned off, all the power supplies are turned off.

  The thermistors constituting the IH thermistor group 36 are arranged in the induction heating coil 19 of the induction heating control unit 30 and the induction heating coil of the induction heating control unit 31 in the central part and the part where the magnetic field of the induction heating coil becomes strong. Then, the temperature of the cooking pot placed on the top plate 3 is detected via the top plate 3 to indirectly detect the temperature of the food in the cooking pot. 10A shows a top view of the induction heating coil, and FIG. 10B shows the strength of the magnetic field corresponding to the position of the induction heating coil in FIG. 10A. Represents. 41 is an induction heating coil which generically refers to the induction heating coil 19 of the induction heating control unit 30 and the induction heating coil of the induction heating control unit 31, 42 is a coil base, 43 is a donut using a twisted wire formed by twisting a litz wire. A heating coil section formed by winding in a shape, 44 is a thermistor disposed at the approximate center of the heating coil section 41, and 45 is a thermistor disposed at a position where the magnetic field on the heating coil section 43 is strong. The thermistors 44 and 45 constitute an IH thermistor group 36.

  Conventionally, the thermistor is arranged only at the center value of the thermistor 44 at the center of the heating coil portion 41. However, when cooking fried food, you want to cook with fresh oil every time to cook fried food, want to reduce waste oil in consideration of the environment, use small amount of oil because it is a small family, small items of morning lunch box, small amount For example, there was a demand for making side dishes, and for example, it was required to cook fried foods with a small amount of 200 g of oil. However, when fried foods were cooked with a small amount of oil, the temperature of the thermistor detected The actual temperature rose faster and in the worst case the oil could ignite. Therefore, as shown in FIG. 10B, the portion where the heating coil portion 43 is present has a stronger magnetic field than the other portions, and the cooking pot can be heated strongly by that amount. The difference between the temperature of the cooking pan and the temperature in the cooking pan is reduced, and if the thermistor 45 is placed in this part and the temperature is detected, the temperature rise can be detected more quickly, and the fried food with a small amount of oil Cooking can be realized.

  In the description of the net auxiliary tool 25 described above, when the net auxiliary tool 25 is placed on the top plate 3, the distance between the net portion 26 and the top plate 3 is not heated by the magnetic flux of the induction heating coil. It has been explained that the leg portion 28 has a height, which is that when the net auxiliary tool 25 is placed on the top plate 3, the induction heating control unit 30 or 31 performs induction heating. This means that the load detection unit 32 determines that the heating is inappropriate and stops driving the induction heating control unit 30 or 31 so that induction heating is not performed.

  As mentioned above, although one Example of this invention was described, this invention is not limited to the content of said Example, A various change is possible within the range of a claim description.

It is an external appearance perspective view of the built-in induction heating cooking appliance which is one Example of this invention. It is a top view of the built-in induction heating cooking device of FIG. It is an external appearance perspective view at the time of incorporating a built-in induction heating cooking appliance in a household sink. It is AA sectional drawing in FIG. It is an external appearance perspective view of a net auxiliary tool. It is an external appearance perspective view of the door of a roaster part. FIG. 7 is a BB step view in FIG. 6. It is an enlarged view of the display part in FIG. It is a control block diagram of the built-in induction heating cooking appliance of a present Example. 9A is a plan view of the induction heating coil, and FIG. 10B is a diagram showing the relationship between the induction heating coil and the strength of the magnetic field.

Explanation of symbols

3 Top plate 5 Top plate operation section 6 Display section 7 Roaster section 8 Door 9 Operation section 20 Cooking chamber 21 Receptacle 22 Flat heater 23 Lower heater 24 Burning net 25 Net auxiliary tool 26 Net section 28 Leg section 82 Handle 87 Non-slip member

Claims (2)

A cooking chamber for storing food, a heater for heating the food in the cooking chamber, a food mounting table for mounting food in the cooking chamber, and a food detachably provided on the food mounting table A heating cooker comprising a mounting net. A main body provided with the cooking chamber inside, a top plate disposed on the top surface of the main body, an induction heating coil disposed under the top plate and induction-heating the cooking pan placed on the top plate, A controller for controlling the operation of the heater of the cooking chamber and the induction heating coil,
The food placing net includes a leg portion that is attached to and detached from the food placing table, and a metal net portion. When the leg portion is placed on the top plate, the net portion is subjected to the induction heating. The cooking device according to claim 1, wherein the cooking device has a height not to be induction-heated by a coil.