JP2019041958A - rice cooker - Google Patents

Abstract

To provide a rice cooker which can effectively release heat of the bottom of a rice cooking part that is heated to the outside and can prevent the situation in which an upper surface of a table or the like where the rice cooking part is placed is excessively heated.SOLUTION: A rice cooker includes a rice cooking part for housing an inner pot inside thereof and an induction heating cooking part to place the rice cooking part on the upper surface for heating and cooking. In the rice cooking part, a bottom surface wall which protrudes from a bottom surface to the induction heating cooking part is provided along an outer edge part of the bottom surface. On the bottom surface wall, a wall surface opening part which communicates the inner part enclosed by the bottom surface wall with the outer part is formed.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a separate type rice cooker configured of a rice cooking unit in which an inner pot is accommodated and an induction heating unit in which the rice cooking unit is placed on the upper surface and heated.

  Conventionally, as disclosed in, for example, Patent Document 1, there is provided a separate-type rice cooker configured of a rice cooking section that accommodates an inner pot inside and an induction heating cooking section that cooks by placing the rice cooking section on the upper surface. Are known. The rice cooker can be carried to a table as a chopstick as a chopstick and can be used by separating the rice cooker and the induction cooker, and the induction cooker can be used alone as an IH cooker. it can.

JP, 2017-79207, A

  In the rice cooker disclosed in Patent Document 1, when the separated rice cooking portion is carried to a dining table as a chopsticks and placed on a table etc., the upper surface of the table is heated by the bottom surface of the rice cooking portion heated by the induction heating cooking portion. Be done. Therefore, when a sheet such as a table cloth which is easily deformed by heat is laid on the upper surface of the table, the sheet may be heated by the rice cooker and deformed.

  The present invention has been made to solve the problems as described above, and the heat of the bottom surface of the heated rice cooking portion can be effectively dissipated to the outside, and the upper surface of a table or the like on which the rice cooking portion is placed is An object of the present invention is to provide a rice cooker capable of preventing excessive heating.

  The rice cooker according to the present invention comprises a rice cooking section that accommodates an inner pot inside, and an induction heating cooking section that heats and cooks by placing the rice cooking section on the upper surface, and the induction heating from the bottom to the rice cooking section. A bottom wall protruding toward the cooking portion is provided along the outer edge of the bottom, and the bottom wall is formed with a wall opening communicating the inside surrounded by the bottom wall with the outside. It is

  According to the rice cooker according to the present invention, since the wall surface opening communicating the inside and the outside surrounded by the bottom surface wall is formed in the bottom surface wall, the heat of the bottom surface of the heated rice cooking portion can be It is possible to effectively escape to the outside through the above, and it is possible to prevent the upper surface of the table or the like on which the rice cooking unit is placed from being excessively heated.

BRIEF DESCRIPTION OF THE DRAWINGS It is the external appearance perspective view which looked at the rice cooker which concerns on embodiment of this invention from the upper surface side. It is a side view of a rice cooker concerning an embodiment of the invention. It is a rice cooker which concerns on embodiment of this invention, Comprising: It is the side view which partially broken and showed the internal structure. It is a rice cooker which concerns on embodiment of this invention, Comprising: It is the front view which fractured partially and showed the internal structure. It is the external appearance perspective view which looked at the rice cooking part of the rice cooker which concerns on embodiment of this invention from the bottom side. It is an appearance perspective view showing an induction heating cooking part of a rice cooker concerning an embodiment of the invention. It is an appearance perspective view showing a different form of induction heating cooking part of a rice cooker concerning an embodiment of the invention.

  Hereinafter, embodiments of the present invention will be described based on the drawings. The present invention is not limited by the embodiments described below. Moreover, in the following drawings, the relationship of the magnitude | size of each structural member may differ from an actual thing.

Embodiment.
FIG. 1: is the external appearance perspective view which looked at the rice cooker which concerns on embodiment of this invention from the upper surface side. FIG. 2 is a side view of the rice cooker according to the embodiment of the present invention. FIG. 3: is the rice cooker which concerns on embodiment of this invention, Comprising: It is the side view which fractured partially and showed the internal structure. FIG. 4: is the rice cooker which concerns on embodiment of this invention, Comprising: It is the front view which fractured partially and showed the internal structure. FIG. 5: is the external appearance perspective view which looked at the rice cooking part of the rice cooker which concerns on embodiment of this invention from the bottom side.

  Rice cooker 100 according to the present embodiment, as shown in FIG. 1, includes a rice cooking section 1 containing inner pot 13 inside, and an induction heating cooking section 2 heating and cooking on the upper surface of rice cooking section 1 It is a configured separate type rice cooker. This rice cooker 100 can separate the rice cooking part 1 and the induction heating cooking part 2, and can use each independently. That is, the rice cooker 100 can be carried to the table as a chopstick and used as a rice cooker 1 which is separated, and the induction heating and cooking unit 2 which is separated can be used as an IH cooker. A control unit is provided in each of the rice cooking unit 1 and the induction heating and cooking unit 2, and wireless communication is performed by a communication terminal connected to the control unit.

  First, the configuration of the rice cooker 1 will be described. The rice cooking part 1 is provided with the main-body part 10 which has an opening part in the upper surface, and the lid 11 which covers the opening part of the main-body part 10 so that opening and closing is possible, as shown to FIG.1 and FIG.2.

  As the main-body part 10 is shown in FIGS. 1-5, the external appearance is made into a bottomed cylindrical shape, and the internal hook 13 is detachably mounted to the inside. A lid open / close button 10 a for opening and closing the lid 11 is provided on the front side of the main body 10. The user can release the closed state of the lid 11 by pushing the lid open / close button 10 a, and can open the main body portion 10.

  Further, as shown in FIGS. 1 and 2, a handle 14 is attached to the main body portion 10 when the rice cooking portion 1 is separated from the induction heating cooking portion 2 and carried. The handle 14 is substantially U-shaped, and both ends thereof are rotatably attached to the side surface of the main body 10.

  As shown in FIG. 5, in the main body portion 10, a bottom wall 3 protruding from the bottom toward the induction heating and cooking portion 2 is provided along the outer edge of the bottom. The bottom wall 3 has a wall opening 30 communicating the inside surrounded by the bottom wall 3 with the outside.

  The wall surface opening 30 is a trapezoidal cutout hole formed by cutting the bottom wall 3. A plurality of wall surface openings 30 (12 in the illustrated example) are formed at intervals along the outer edge of the bottom surface. The wall surface opening 30 dissipates the heat of the bottom surface of the heated rice cooking unit 1 to the outside when the rice cooking unit 1 separated from the induction heating and cooking unit 2 is carried as a chopstick to the table and placed on a table etc. It is formed for the purpose. It is desirable that the wall surface opening 30 be formed on the bottom wall 3 opposed to the front, rear, left, and right of the main body 10 in order to form air convection.

  The shape, size, and number of the wall surface opening 30 are not limited to the illustrated form. The wall opening 30 may be, for example, a rectangular hole or a circular hole whose circumference is enclosed. Further, the wall surface opening 30 may be a cut-out hole cut in an arc shape. In short, the wall surface opening 30 is appropriately changed in design according to the size and the shape of the main body 10 and provided.

  Further, as shown in FIG. 3 and FIG. 5, the main body portion 10 has an intake hole 4 formed in the bottom and an exhaust hole 5 formed in a side surface on the back side and communicating with the intake hole 4 There is. That is, in the rice cooking portion 1, the inside surrounded by the bottom wall 3 is in communication with the outside by the intake hole 4 and the exhaust hole 5. Thereby, since the rice cooking part 1 can form the convection of air by the intake hole 4 and the exhaust hole 5, the heat of the bottom face of the rice cooking part 1 heated by the air which flowed in from the wall surface opening part 30 is taken. It can escape to the outside through the exhaust hole 5 from 4.

  In addition, the exhaust hole 5 is not limited to the structure formed in the side by the side of the back of the main-body part 10. FIG. The exhaust hole 5 may be provided, for example, on the other side of the main body 10 or the lid 11. In short, the exhaust hole 5 may be provided at any position of the rice cooker 1 as long as it can communicate with the intake hole 4 to form a convection of air with the wall opening 30.

  Moreover, the rice cooker 100 according to the present embodiment does not necessarily have to be provided with the intake holes 4 and the exhaust holes 5, and the heat of the bottom surface of the heated rice cooker 1 is dissipated to the outside only with the wall surface opening 30. Good.

  The inner pot 13 has a bottomed cylindrical shape and is made of a carbon material that generates heat by induction heating. The inner pot 13 may be, for example, a container (a so-called clay pot) formed of a nonmetal material such as ceramic or a metal container such as a clad material of aluminum and stainless steel. Inside the inner pot 13, the rice and water which are to-be-cooked goods are accommodated.

  The lid 11 has its rear end connected to the top of the main body 10 by the hinge mechanism 12. When the lid opening / closing button 10 a is pressed in a closed state, the lid 11 can be turned about the hinge axis of the hinge mechanism 12 toward the back side. As shown in FIG. 1, the lid 11 is provided with a steam port 11 a for releasing the steam generated inside the rice cooker 1.

  Further, as shown in FIG. 1, the lid 11 is provided with a first input operation means 15 through which the user can input rice cooking conditions and the like. The first input operation means 15 is an operation means for receiving an operation input for executing, for example, a preheating process, a rice cooking process, an unevenness process and the like. The first input operation means 15 is connected to a control unit (not shown), and is communicated to the induction heating and cooking unit 2 through the communication terminal. In addition, although the 1st input operation means 15 is the structure by which several pressing-type input keys were arrange | positioned, it is good also as a touch-type input key, and you may use both together.

  Next, the structure of the induction heating cooking part 2 is demonstrated based on FIG.6 and FIG.7, referring FIGS. 1-5. Drawing 6 is an appearance perspective view showing an induction cooking section of a rice cooker concerning an embodiment of the invention. The induction heating and cooking unit 2 is, for example, a tabletop electromagnetic cooker that is used by being placed on a table or the like.

  As shown in FIG. 6, the induction heating and cooking unit 2 has a substantially rectangular parallelepiped shape with a thin external appearance. The induction heating cooking part 2 is provided with a top plate 20 made of crystallized glass or the like on the upper surface. The induction heating and cooking section 2 is formed with a stepped portion 21 recessed downward along the outer peripheral edge of the top plate 20. The stepped portion 21 of the induction heating cooking portion 2 is formed in such a shape and size that the end face of the bottom wall 3 of the rice cooking portion 1 abuts, and the bottom wall 3 fits tightly. That is, when the rice cooker 100 places the rice cooking unit 1 on the induction heating cooking unit 2, the bottom wall 3 of the rice cooking unit 1 fits into the step 21 of the induction heating cooking unit 2, and the top plate 20 is the bottom wall 3 It will be stored inside the

  The stepped portion 21 of the induction heating and cooking unit 2 is provided with a protrusion 6 fitted to the wall surface opening 30 at a position facing the wall surface opening 30. This is because when the cooking unit 1 is placed on the upper surface of the induction heating and cooking unit 2 for heating and cooking, the wall opening 30 is closed with the protrusion 6 and the heat heated by the induction heating and cooking unit 2 is prevented from leaking to the outside In order to Moreover, the side surface of the rice cooker 100 is made into a flat state without a hole, and it is also for improving the cleaning property at the time of wiping off dirt with cloth etc.

  The protrusion 6 is provided such that its tip end is lower than the top plate 20 of the induction heating unit 2. This is a case where the rice cooking part 1 is separated and the induction heating cooking part 2 is used alone as an IH cooker, and when the cooking container is placed on the top plate 20, the presence of the protrusion 6 does not disturb , In order to be able to use the cooking container of various sizes. Moreover, it is also for making the bottom face of a cooking container contact the top plate 20 of the induction heating cooking part 2, and ensuring induction heating efficiency.

  In addition, FIG. 7 is the external appearance perspective view which showed the different form of the induction heating cooking part of the rice cooker which concerns on embodiment of this invention. As shown in FIG. 7, in the step portion 21, the protrusion 7 may be provided so that the tip end portion is above the top plate 20 of the induction heating and cooking portion 2. In this case, if the rice cooker 100 uses a small cooking container that fits on the top plate 20, the protrusion 7 limits the range of movement of the cooking container, so the cooking container may be tilted during cooking, or may be accidentally misplaced from the top plate 20. It is possible to prevent a situation such as falling.

  As shown in FIG. 6, the induction heating and cooking unit 2 is provided with a second input operation unit 22 on the front side of the upper surface. The second input operation means 22 is provided with various pressing input buttons, and is connected to the control unit 23. The various input buttons are used to input various conditions such as a heating power, a cooking menu, and a cooking time. The induction heating and cooking unit 2 can perform induction heating and cooking independently of the rice cooking unit 1 by operating the second input operation means 22. As shown in FIGS. 1 to 4, the second input operation means 22 is housed in the bottom wall 3 together with the top plate 20 when the rice cooking unit 1 and the induction heating cooking unit 2 are combined. There is.

  Further, as shown in FIG. 3 and FIG. 4, an induction heating coil 24, a temperature sensor 25, a ferrite 26, and a power supply substrate 27 are provided inside the induction heating and cooking unit 2. The induction heating coil 24 is disposed substantially at the center of the inside of the induction heating and cooking unit 2 and is controlled by the control unit 23 based on the operation input of the first input operation unit 15 and the second input operation unit 22. The induction heating coil 24 generates an alternating magnetic field by energization to heat the object to be heated by electromagnetic induction. The temperature sensor 25 is provided to detect the temperature of the inner hook 13 or the top plate 20 and is connected to the control unit 23.

  The ferrite 26 is provided to be orthogonal to the winding of the induction heating coil 24. The ferrite 26 is provided in order to concentrate magnetic lines of force generated from the induction heating coil 24 on the object to be heated above the top plate 20.

  Further, the power supply substrate 27 is provided on the back side inside the induction heating and cooking unit 2. The power supply substrate 27 includes a converter for converting AC power of commercial power into DC power, an inverter for converting DC power from the converter to AC power and supplying the same to the induction heating coil 24, and a control circuit for controlling the inverter. Has been implemented. The power supply substrate 27 is connected to the control unit 23 via a signal line.

  By the way, in the conventional rice cooker 100, when the separated rice cooking unit 1 is carried as a rice bowl to a table and placed on a table etc., the upper surface of the table is heated by the bottom of the rice cooking unit 1 heated by the induction heating cooking unit 2. Be done. Therefore, when a sheet such as a table cloth which is easily deformed by heat is laid on the upper surface of the table, the sheet may be heated by the rice cooker 1 to be deformed or the like.

  Therefore, as described above, the bottom wall 3 protruding toward the induction heating cooking unit 2 from the bottom surface is provided along the outer edge portion of the bottom surface of the rice cooking unit 1 of the rice cooker 100 according to the present embodiment. The bottom wall 3 has a wall opening 30 communicating the inside surrounded by the bottom wall 3 with the outside. Therefore, the rice cooker 100 heats the bottom surface of the heated rice cooking unit 1 even when the rice cooking unit 1 separated from the induction heating cooking unit 2 is carried as a chopstick to a table and placed on a table etc. Since it can escape to the outside through the wall surface opening 30, it is possible to prevent the upper surface of the table or the like from being heated excessively.

  In the rice cooker 100 of the present embodiment, the wall opening 30 is a notch formed by notching the bottom wall 3, and the wall surface is at a position facing the wall opening 30 of the induction heating cooking unit 2. A projection 6 is provided which fits into the opening 30. Therefore, when the rice cooker 100 places and cooks the rice cooker 1 on the upper surface of the induction heating cooker 2, the wall opening 30 can be closed with the protrusion 6, and thus the rice cooker 100 is heated by the induction cooker 2. The heat cooking effect can be enhanced without leakage of heat to the outside.

  Moreover, in the induction heating cooking part 2 of the rice cooker 100 of the present embodiment, a stepped part 21 recessed downward along the outer peripheral edge of the upper surface for cooking the rice cooking part 1 is formed. The protruding portion 6 is provided in the step portion 21 so that the tip end portion is lower than the upper surface of the induction heating and cooking portion 2. Therefore, the rice cooker 100 is a case where the rice cooking unit 1 is separated and the induction heating cooking unit 2 is used alone as an IH cooker, and when the cooking container is placed on the upper surface, the presence of the protrusion 6 is in the way Also, it is easy to use because it can be used for cooking containers of various sizes.

  On the other hand, the protrusion 6 can also be provided in the step 21 so that the tip end is above the upper surface of the induction heating and cooking unit 2. In this case, if the rice cooker 100 uses a small cooking container that fits on the upper surface of the induction heating cooking unit 2, the movement range of the cooking container is limited by the protrusions 7, so the cooking container may tilt during cooking or induction heating It is possible to prevent a situation such as accidental dropping from the upper surface of the cooking unit 2.

  In addition, the rice cooker 1 of the rice cooker 100 according to the present embodiment has an intake hole 4 formed on the bottom and an exhaust hole 5 formed on the outer side and communicating with the intake hole 4. Therefore, since the rice cooker 100 can form convection of air by the intake hole 4 and the exhaust hole 5, the heat of the bottom surface of the heated rice cooking part 1 is heated by the air flowing in from the wall surface opening 30. It can be discharged to the outside through the exhaust hole 5, and the situation where the upper surface of the table or the like is excessively heated can be more effectively prevented.

  Although the present invention has been described above based on the embodiment, the present invention is not limited to the configuration of the embodiment described above. For example, the configuration of the rice cooker 100 illustrated in the drawings is merely an example, and the present invention is not limited to the above-described content, and the present invention can be similarly implemented even with a rice cooker including other components. In short, the scope of the various modifications, applications, and uses that the so-called person skilled in the art makes as needed is mentioned in the scope of the present invention (the technical scope).

  DESCRIPTION OF SYMBOLS 1 rice cooking part, 2 induction heating cooking part, 3 bottom wall, 4 intake hole, 5 exhaust hole, 6, 7 protrusion part, 10 main-body part, 10a lid opening-closing button, 11 lid body, 11a steam port, 12 hinge mechanism part, 13 inner pot, 14 handle, 15 first input operation means, 20 top plate, 21 step portion, 22 second input operation means, 23 control portion, 24 induction heating coil, 25 temperature sensor, 26 ferrite, 27 power supply substrate, 30 Wall opening, 100 rice cooker.

Claims (5)

A rice cooking section that houses the inner pot inside,
And an induction heating and cooking unit that heats and cooks by placing the rice cooking unit on an upper surface,
The rice cooking section is provided with a bottom wall protruding from the bottom toward the induction heating section along the outer edge of the bottom,
The rice cooker whose wall surface opening part which makes the inside and the exterior which were enclosed by the said bottom face wall connect is formed in the said bottom face wall. The wall surface opening is a cutout hole formed by cutting the bottom wall,
The rice cooker according to claim 1, wherein the induction heating and cooking unit is provided with a protrusion fitted to the wall surface opening at a position facing the wall surface opening. The induction heating and cooking unit is formed with a stepped portion recessed downward along the outer peripheral edge of the upper surface for heating and cooking the rice cooking unit,
The rice cooker according to claim 2, wherein the protrusion is provided in the stepped portion so that a tip end portion is lower than an upper surface of the induction heating and cooking portion. The induction heating and cooking unit is formed with a stepped portion recessed downward along the outer peripheral edge of the upper surface for heating and cooking the rice cooking unit,
The rice cooker according to claim 2, wherein the protruding portion is provided in the stepped portion so that a tip end portion is above the upper surface of the induction heating and cooking portion.   The rice cooker according to any one of claims 1 to 4, wherein the rice cooking portion has an air intake hole formed in the bottom and an air discharge hole formed in an outer side surface and communicating with the air intake hole.

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