KR100627038B1 - Conductive heating cooker - Google Patents

Abstract

Conventional roasters can be baked on both sides uniformly. However, when roasting pizzas or rice cakes, pressed marks do not appear on the surface, causing cooking to fail.

A cooking chamber 20 for storing food, a flat heater 22 and a lower heater 23 for heating the food in the cooking chamber 20, and a roaster for placing food when the food is stored in the cooking chamber 20. The structure provided with the net | network 24 and the net support tool 25 which detachably attached to the said grilling net 24 make a mark which pressed quickly on the surface of a pizza, rice cake, etc. By the presence of (25), the heat of the lower heater 23 which is radiated unevenly can be made uniform, thereby suppressing the appearance of unwanted pressed marks on the food.

Roaster, Net Support, Lower Heater

Description

Heat Cooker {CONDUCTIVE HEATING COOKER}

1 is an external perspective view of a built-in type induction heating cooker according to an embodiment of the present invention.

Figure 2 is a top view of the built-in induction cooker of Figure 1;

Figure 3 is an external perspective view of the built-in induction heating cooker when assembled into a sink in the home.

4 is a cross-sectional view of A-A in FIG. 1;

5 is an external perspective view of a net aid.

FIG. 6 is an enlarged view of the display portion 6 in FIG. 1.

7 is an external perspective view of the roster portion door;

8 is a cross-sectional view taken along the line B-B in FIG. 7.

9 is a control block diagram of a built-in induction heating cooker of the present embodiment.

10 is a plan view of an induction heating coil included in the induction heating control unit in FIG. 9, (b) is a view showing the relationship between the intensity of the induction heating coil and the magnetic field (magnetic field); .

(Explanation of symbols for the main parts of the drawing)

3: Top panel 5: Top control panel

6: display part 7: roster part

8: door 9: control panel

20: cooking chamber 21: dish plate

22: flat heater 23: lower heater

24: grilled net 25: net aid

26: mesh part (mesh part) 28 (a, b): leg part

82: handle 87: non-slip member

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

Background Art Conventionally, heating cookers in which a roaster for heating a fish or the like is heated inside the main body and a top plate on the upper surface of the main body are placed and the cooking pot placed by the magnetic flux of the lower induction heating coil are induction heated. . (See, for example, Japanese Patent Application Laid-Open No. 2002-352944)

It is also known to arrange a flat shelf formed of a mesh sheet in a cooking chamber, to place food on the flat shelf, and to perform heater heating cooking. By using the flat shelf of the mesh sheet, it is possible to support a plurality of foods, to prevent soft foods such as rice cakes from hanging between the plates of the shelf, and to receive the heat of the heater once from the flat shelf, and Then, the food is heated by the heat generated from the flat lathe, so that the heat of the heater is transferred to the flat surface in the flat lathe to suppress uneven pressed marks (for example, Japanese Patent Laid-Open No. 2002-). See 372246)

In the above-described heating cooker, since cooking is usually performed so that both sides are evenly heated when grilling fish, the pressed surface appears quickly and the bottom is heated uniformly. For example, when attempting to cook a pizza or the like, it is difficult for a pressed mark to appear on the surface, which causes a problem of cooking failure.

The present invention has been made to solve such a problem.

The heating cooker according to the present invention includes a cooking compartment for storing food, a heater for heating the food in the cooking compartment, a food stand for placing food when storing the food into the cooking compartment, and a detachable attachment to the food stand. It is characterized by comprising a food restraint net installed.

A main body having the cooking chamber therein, an upper plate disposed on an upper surface of the main body, an induction heating coil disposed under the upper plate and induction heating of a cooking pot placed on the upper plate, And a control unit for controlling the operation of the heater and the induction heating coil, wherein the food placing net has a leg portion detachable from the food placing table, a metal net portion, and when the leg portion is placed on the top plate, The net portion is characterized in that it has a height such that the induction heating by the induction heating coil.

(Example)

Hereinafter, a built-in induction heating cooker which is an embodiment of the present invention will be described based on each drawing. In addition, the target cooker can be applied to any cooker capable of heating the heater, such as a toaster or grilled fish, in addition to the following built-in induction cooker.

1 and 2, 1 is the main body of the built-in induction cooker, 2 is the upper plate frame provided on the upper surface of the main body 1, 3 is a ceramic upper plate installed on the upper plate frame 2, 4 is the upper plate frame (2) ) Ventilation section provided with an inlet port and an exhaust port into the main body 1 formed in the rear part. The vent part 4 attaches and detaches freely the vent cover 4a formed by drilling many punching holes. In addition, in this invention, the front of the upper plate frame 2 is the one side part of the upper plate frame 2 of a user side when the main body 1 is assembled to the sink 18 mentioned later, and a user uses it, and is a rear part. Is the side opposite to the front side, that is, the side farthest from the user.

5 is an upper plate operation part provided in the front side of the upper plate frame 2, and 6 is a display part provided in the front side center part of the upper plate 3. As shown in FIG. 7 is a roaster part which has a cooking chamber at the back, and 8 is a door of the roaster part 7. As shown in FIG. 9 is an operation unit, 10 is an output setting unit of the induction heating unit of the operation unit 9, 11 is a timer setting unit for performing a timer operation, and 12 is a power switch.

The display unit 6 is disposed below the upper plate 3, the upper plate 3 facing the display unit 6 is formed to be transparent, and the user can see the display unit 6 through the upper plate 3. Consists of.

In addition, the upper plate operation part 5 is comprised so that setting of the same operation instruction | operation as the operation part 9 is possible. Therefore, since the upper plate operation part 5 was only in the position of the operation part 9 conventionally, ie, the front part of the main body, when the operation is performed, the problem that the operation should be performed while bending the body by bending the eye, the upper plate 3 of the main body upper surface 3 By aggregating around the user, the user can perform agitation in the cooking pot, adjustment of the thermal power strength, and the like in a standing posture, thereby improving convenience of use.

13 and 14 are induction heating parts drawn by printing on the upper plate 3, and 15 are heater heating parts in which the position of the radiant heater is drawn by printing. Induction heating coils for induction heating of cooking pots placed on the upper plate 3 are correspondingly disposed under the induction heating units 13 and 14, and an upper plate (under) of the heater heating unit 15. 3) A radiant heater for heating the cooking pot placed on the counter is arranged correspondingly. 16 is an output display unit formed of an LED or the like for displaying the output of the induction heating unit 13, 17 is an output display unit formed of an LED or the like for displaying the output of the induction heating unit (14).

As shown in FIG. 3, the main body 1 as described above is provided in the recess 18 provided in the home kitchen, and the upper plate 3 is attached to the upper plate portion 18a of the sink 18. In addition, the roaster 7 and the operation 9 are assembled to face the side 18b of the sink 18. This is why it is called a built-in transplant. In addition, the recessed portion of the sink 18 is unified in size so that a gas cooker or the like can be replaced.

In Fig. 4, 19 is an induction heating coil disposed below the induction heating unit 13 of the upper plate 3, 20 is a cooking chamber of the roaster unit 7 having an opening in the front for putting food in and out, and 21 is a cooking chamber ( The receiving plate, which is stored in the bottom portion 20a of the 20 and is detachably attached to the door 8, 22 is disposed on the outer wall 20b of the cooking chamber 20 to heat food stored in the cooking chamber 20. The planar heater 23 which consists of an upper heater, the sheath heater arrange | positioned in the cooking chamber 20 from the rear surface 20c of the cooking chamber 20 in the lower part of the cooking chamber 20, and above the receiving dish 21. The lower heater, 24, which is formed of), is placed in the receiving plate 21, and the roasting net serving as a food placing table having a flat portion 24a for placing food above the lower heater 23, 25 is a roasting net ( 24) It is a net aid that is a food relocation net mounted on and detached freely.

In addition, the cooking chamber 20 has an opening 20d connected to the rear surface 20c, an exhaust cylinder 20e connecting the opening 20d and the vent 4, and a vicinity of the opening 20d of the exhaust cylinder 20e. In the catalyst heater 20f and the said catalyst heater 20f, it is arrange | positioned at the ventilation part 4 side, and the smoke and smell which generate | occur | produce in the food in the cooking chamber 20 by heating with the catalyst heater 20f. The exhaust fan (20g) which decomposes the gas and the exhaust gas (20g) in the exhaust gas chamber 20e is disposed on the vent side and sucks smoke and odor in the cooking chamber 20, and exhausts the exhaust fan (4). 20h) is also provided.

The deoxidation catalyst 20g is composed of a platinum catalyst (a noble metal catalyst), and is activated by heating with a catalyst heater 20f, and the organic components are released from the vent section 4 by low temperature combustion, that is, oxidative decomposition. It can greatly reduce the smoke emitted. For this reason, when the home kitchen does not use a ventilation fan dedicated to the built-in induction heating cooker, since the suction power of the ventilation fan is weak, the smoke cannot be sufficiently sucked, and the smoke exhausted from the ventilation section 4 throughout the kitchen. Or there is a problem such as contamination of the wall by spreading the smell, which can be solved. In particular, the recent kitchen has a lot of open type, it is very important to suppress the leakage of smoke diffused in the kitchen into the living room.

As shown in FIG. 5, the mesh assisting tool 25 is formed of a metal mesh, a lath plate, or a punching plate, and a mesh part (net part) on which food can be placed ( 26, an upper plate frame 27 surrounding the mesh portion 26 to reinforce the mesh portion 26, and a leg portion 28 provided near the four corners of the upper plate frame 27. .

The leg portion 28 of the mesh assisting tool 25 is convex in shape so that the leg portion 28 can be coupled to the flat portion 24a of the roasting net 24. In addition, when the netting tool 25 is placed on the upper plate 3, the leg portion 28 has a distance between the netting portion 26 and the upper plate 3 due to the magnetic flux of the induction heating coil. When the net aid 25 is placed on the upper part 3 and the leg part A28a which has a height which becomes a gap distance which is not heated, and is arrange | positioned in the vicinity of the four corners of the one surface side of the net part 26, The leg part B28b arrange | positioned in the vicinity of the four corners of the back surface side of the net part 26 which has a height larger than the said leg part A28a of the net part 26 and the upper board 3 of the said net part 26 Is made of. Accordingly, when the mesh assisting device 25 is placed on the roasting net 24, the distance between at least the flat part 24a of the roasting net 24 and the net part 26, that is, the cooking chamber 20 of the roaster part 7. ), The distance between the net portion 26 and the flat heater 22 can be selected in two ways.

The door 8 of the roaster part 7 is installed to open and close the front opening of the cooking chamber 20 by pulling the user forward, and, as shown in FIG. 7, the interior of the cooking chamber 20 The outside of the window 81 and the receiving plate 21 connected to the inside of the cooking chamber 20 and installed from the cooking chamber 20 so as to see from the outside to see the state inside the cooking chamber 20, At that time, there is a handle 82 that can be hooked by a user's hand. As shown in FIG. 8, the handle 82 protrudes forward from the upper frame member 83 of the resin door, and is recessed 84 opened downward so that the user's hand can be caught in the protruding portion. ). In addition, the handle 82 has a groove portion 86 formed on the upper surface portion 85 in the lateral direction with respect to the door 8, and the groove portion 86 has a non-slip member 87 to prevent the user's finger from slipping. ) Is inserted. The non-slip member 87 is formed of a resin of a different material from the upper frame member 83 of the door 8, or a heat resistant rubber. Thus, when the user manipulates the door 8, the touch to the finger is different, giving the user a sense of unevenness, making it possible to further prevent the user's finger from sliding off the handle.

Moreover, as shown in FIG. 2, the said display part 6 is arrange | positioned in the substantially front center part on the upper plate 3. As shown in FIG. As shown in FIG. 6, the first display portion 6a formed of one liquid crystal display element in the vicinity of the upper plate frame 2 and the second display portion 6b disposed behind the first display portion 6a. Has) The first display unit 6a displays the induction heating state in the induction heating unit 13 and the induction heating unit 14. In detail, the mode display unit 61 which displays the current heating mode in the center, ie, heating, boiling, warming, frying and cooking of frying water with a small amount of oil, and each mode on the left and right sides of the mode display 61 It has the mode indicating parts 62 and 63 of a triangular mark in the corresponding position. The mode instructing unit 62 displays the current operation mode of the induction heating unit 13 by turning on a triangular table (the other triangular table is turned off), and the mode instructing unit 63 of the current induction heating unit 14 The operation mode is displayed in the same manner as the induction heating unit 13.

Further, the first display section 6a is a setting display section 64 which displays the current output set value of the induction heating section 13 at the upper left side of the mode indicating section 62, or the set temperature in the frying water cooking mode. ), A timer time display section 65 for displaying the remaining time at the time of setting the timer of the induction heating section 13 at the lower end of the setting display section 64, and an induction heating section at the upper right side from the mode indicating section 63. In the current output set value of (14) or in the frying-cooking mode, the setting display unit 66 for displaying the set temperature and the remaining time at the time of setting the timer of the induction heating unit 14 at the lower end of the setting display unit 66 are displayed. It has a timer time display part 67 to display.

In addition, the second display section 6b includes a heater setting display section 68 that displays driving states and setting outputs of the heaters of the radiant heater and the roaster section 7 near the first display section 6a, and the roaster section. The automatic cooking menu display unit 69 (7) is arranged. The automatic cooking menu display unit 69 is configured to display the menu currently being executed by lighting the LEDs or the like from below.

In Fig. 9, 30 has an induction heating coil 19, an induction heating control unit for induction heating a cooking pot placed on the induction heating unit 13 printed on the upper plate 3, 31 is an induction not shown in the same manner. The induction heating control unit in which the cooking pot placed on the induction heating unit 14 printed on the upper plate 3 using the heating coil induction heating, 32 is the cooking placed in the induction heating unit 13 and the induction heating unit 14. For example, an induction heating control unit (30, 31) that can not be heated induction heating, for example, aluminum pots, earthenware pots, etc., forks or knives are misplaced and undesirably heated. It is a load detection part which detects by the electric current flowing and drives the induction heating control part 30 or the induction heating control part 31 when it determines that heating is inappropriate.

33 is a radiant heater disposed below the heater heating unit 15, 34 is a grill heater in which the flat heater 22 and the lower heater 23 are collectively referred to, 35 is disposed in the main body 1, and the vent section 4 is provided. Is a cooling fan that cools a control unit, an induction heating coil, and the like to be described later and exhausts it from the vent section 4 again. 36 is an IH thermistor group arranged on each induction heating coil below the upper plate 3 to be described later, and 37 is a roasting thermistor which is provided on the side outer wall of the cooking chamber 20 and detects the temperature in the cooking chamber. 38 is a group of substrate thermistors that detects the temperature on the printed board on which the control unit described later is mounted, the temperature of the power switching element used in the induction heating control units 30 and 31, the diode bridge, or the like. 39 denotes induction heating control units 30 and 31 based on information from the upper plate operating unit 5 and the operating unit 9, and information from the IH thermistor group 36, the thermistor 37, and the substrate thermistor 38. A control unit for driving control by outputting a driving instruction to the radiant heater 33, the roaster 34, the cooling fan 35, and the like, and 40 is a control power supply unit which forms a control current from a commercial power source and supplies the control current to the control unit. In addition, the induction heating control unit 30, the induction heating control unit 31, and the radiant heater 33 are collectively called a heating unit.

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

The induction heating coil 19 of the induction heating control unit 30 and the induction heating coil of the induction heating control unit 31 have a thermistor constituting the IH thermistor group 36 at a portion where the magnetic field of the central portion and the induction heating coil is strengthened. Is arranged, the temperature of the cooking pot placed on the top plate 3 is detected through the top plate 3, and indirectly to detect the temperature of the food in the cooking pot. 10 (a) shows a top view of the induction heating coil, and FIG. 10 (b) shows the strength of the magnetic field corresponding to the position of the induction heating coil of FIG. 10 (a). It is shown. 41 is an induction heating coil collectively referred to as 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 band, and 43 is a twisted wire twisted with a litz wire ( A heating coil portion formed by winding in a donut shape using a coil, 44 is a thermistor disposed substantially in the center of the induction heating coil 41, and 45 is a thermistor disposed at a strong magnetic field on the heating coil portion 43. to be. The thermistor 44 and thermistor 45 constitute an IH thermistor group 36.

In the past, the thermistor was disposed only at the thermistor 44 at the center of the induction heating coil 41. However, when cooking tempura, we want to cook with fresh oil every time to cook tempura deliciously, we want to reduce waste oil in consideration of environment, and there is little flow rate to use because family is few, small cup for morning lunch, There is a desire to cope with a small amount of side dishes. For example, it is hoped that cooking can be done with a small amount of 200 g of oil, but when cooking with a small amount of oil, The actual temperature of the oil quickly rose, and in the worst case, there was a fear that the oil would ignite. Therefore, as shown in Fig. 10 (b), the portion in which the heating coil portion 43 is present has a stronger magnetic field than the other portions, and thus the cooking pot can be heated strongly, and the upper plate 3 detects the portion thereof. When the temperature of the cooking pot can be reduced from the temperature in the cooking pot, and the temperature is detected by placing the thermistor 45 in this portion, the temperature rise can be caught more quickly, and the frying cooking by a small amount of oil is performed. Can be safely performed.

In the description of the mesh assisting tool 25 described above, when the mesh assisting tool 25 is placed on the upper plate 3, the distance between the mesh portion 26 and the upper plate 3 is induced. Although it has been described that the leg portion 28 has a height that becomes an interval distance that is not heated by the magnetic flux of the heating coil, this is the induction heating control unit 30 when the mesh assisting tool 25 is placed on the upper plate 3. Or the induction heating control unit 31 performs induction heating, which means that the induction heating control units 30 and 31 are not driven because the load detection unit 32 determines that the heating is inappropriate.

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

According to the present invention, even if a food placing net is placed on the upper plate of the upper surface of the main body for any reason, unwanted heating is prevented, and the user's hand can be prevented from being burned even if the user inadvertently lifts the food placing net on the upper plate. There is a number.

Claims (2)

delete A main body having a ceramic top plate disposed on an upper surface thereof, a cooking chamber provided in the main body having a front opening, a door for opening and closing a front opening of the cooking chamber, and a front opening opened by the door In accordance with the opening and closing of the food, a food dish which is taken out from the cooking chamber or housed in the cooking chamber, and a flat portion on which the food is placed, the food placed on the dish plate and placed in the flat portion together with the food stored in the cooking chamber. An upper heater and a lower heater which are placed in a mounting table, the cooking chamber, and heat the food placed on the food placing table, a food placing web detachably attached to the food placing stand, and a lower portion of the upper plate, An induction heating control unit having an induction heating coil for induction heating of a cooking pot placed on the upper plate, an upper heater and a lower heater of the cooking chamber; It includes a control unit for controlling the operation of the induction heating control unit, The control unit has a load detection unit that stops driving the induction heating control unit when it is determined that the heating unit is inappropriate from the current flowing through the induction heating control unit, The food placing net has a leg portion and a metal net portion detachable to the food placing table, The leg portion of the food restraint net stops driving the induction heating control part when the load detecting part is judged to be inadequate heating when the food restraint net is placed on the top plate, so that the induction heating control part does not inductively heat the net part. Heat cooker, characterized in that not have a height.

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