JP2011218069A - Rice cooker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a rice cooker which has been compactified while securing safety.SOLUTION: Board base 19 includes lid body 12 opening and closing an upper surface opening 3a of an upper frame 3; inner pan 4 stored freely removably in a body 1 of the rice cooker; protective frame 5 having a bottom induction heating coil 6 that heats a cooked object in the inner pan 4 under the upper frame 3, and the board base 19 provided with a control board 18 that controls a bottom induction heating coil 6. The board base 19 is provided with a water reservoir unit 27 of the upper frame 3 with which it is located downward and the entire top of the control board 18 is covered, a water collected in water reservoir unit 27 is led under the control board 18, because the protective frame 5 does not exist between the upper frame 3 and the control board 18 by the one set up so that a control board installation surface of the board base 19 may become an almost vertical direction, and it is possible to compactify the cooker at low cost. Even if a crack is generated in the upper frame 3 and water invades, the water is led under the control board 18, so that water never adheres to the control board 18.

Description

  The present invention relates to a rice cooker used for general home use or business use.

  Conventionally, in order to make the rice cooker body compact, this type of rice cooker has installed structural components such as a control board in the rice cooker body in the lower rear part (see, for example, Patent Document 1).

  The conventional rice cooker described in the above-mentioned Patent Document 1 is flame retardant, in which a bottom induction heating coil, which is a heating means for the inner pot, is first attached to the upper frame constituting the main body outline and the rear part below the upper frame. A protective frame composed of members is installed, and a control board for controlling the bottom induction heating coil is installed below the protective frame so that the component surface and the solder surface are in a substantially vertical direction. A heat sink for cooling the substrate and a motor fan are installed. By taking this configuration, since there are no structural parts in the front part and the width direction part in the rice cooker main body, a compact rice cooker having a clean design is realized.

  In addition, the above-mentioned configuration also considers the safety of the rice cooker body, and assumes that a crack has occurred in the upper frame above the control board due to an abnormal situation such as a product falling. Since the protective frame is configured to cover the upper side of the control board even when it enters the rice cooker body, water can be prevented from adhering to the control board.

  Further, the configuration in which the control board is installed so that the component surface and the solder surface are in a substantially vertical direction assumes that not only the upper frame but also the protective frame above the control board is cracked. Even when water intrudes into the control board from the control section, it is designed so that the water that has entered does not stagnate on the control board and flows downward. This configuration reduces the possibility of a short circuit. Furthermore, it is assumed that the protective frame is composed of a flame-retardant member when the control board is damaged and ignites, and the protective frame serves as a flame barrier to prevent the rice cooker from spreading.

  As mentioned above, the conventional rice cooker described in the said patent document 1 is the structure which has the compactness and safety | security of a product.

  Moreover, there exists what has installed structural components, such as a board | substrate, under the inner pot accommodating part of a rice cooker (for example, refer patent document 2).

  The conventional rice cooker described in Patent Document 2 includes an inner pot storage portion having a plurality of holes such as a through hole for a bottom sensor set and a screw tightening hole on the bottom surface, and a lower portion of the inner pot storage portion. The substrate base having a water receiving portion and a water sink on the surface opposite to the bottom surface of the inner pot storage portion, and the component surface and the solder surface of the control board are substantially on the back of the surface having the water receiver and the water sink on the substrate base. It is installed so as to be horizontal.

  By adopting this configuration, since there are no structural parts in the left and right direction part of the rice cooker body, a compact rice cooker having a clean design is realized.

  In addition, the structure of the water receiving part and the water sink part of the base board is based on the assumption that water has entered the lower part of the inner pot storage part. This prevents water from adhering to the substrate.

  As mentioned above, the conventional rice cooker described in patent document 2 is the structure which has the compactness and safety | security of a product.

JP-A-11-56606 JP 2007-31845 A

  However, in the structure of the conventional rice cooker described in the said patent document 1, a protective frame has the induction heating coil for heating an inner pot in the front part, and installs a control board in the back part. It is equipped with a water receiving structure that prevents water from adhering to the control board just above the structure and the structure where the control board is installed, and because it is a large part that spans the entire middle layer of the rice cooker body, Measures against warping (arrangement of warping countermeasure ribs, increase in basic wall thickness) were taken.

  Furthermore, because it is connected to the body that constitutes the lower layer of the rice cooker with a direct screw tightening configuration, it is also a component that the body is susceptible to impact from the floor when the product is dropped. Boss reinforcement, basic wall thickness increase).

  Furthermore, it is necessary to ensure both the electrical insulation of the bottom induction heating coil and the flame retardance of the control board, and it is made of a material whose material unit price is higher than that of a general resin material.

  For the above reason, the protective frame has a problem that it is a component having a large component volume and weight and a high material cost.

  Furthermore, as described above, the protective frame is a component that is susceptible to impact from below, so that the impact is not transmitted to the control board installed on the protective frame and is not damaged. Because there was a need to provide a vertical gap between the protective frame and the control board in the vertical direction between the protective frame and the upper frame in the vicinity of the part where the control board is installed as a countermeasure against the reaction force generated by dropping from above And the height direction of the rice cooker main body increased, and the rice cooker main body could not be made compact.

  Furthermore, in the structure of the conventional rice cooker described in the said patent document 2, in order to install components, such as a control board, below the inner pot accommodating part, the structure of the conventional rice cooker described in the said patent document 1 In the same manner as the above, there is a problem that the product cannot be made compact in the height direction.

  Furthermore, since the bottom of the inner pot storage part has a plurality of holes, such as a through hole for the bottom sensor set and a screw tightening hole, the rice and water in the inner pot are accidentally put into the inner pot storage part. If it overflows, water will easily enter under the inner pot storage part, and the parts surface and solder surface of the control board will be in a substantially horizontal direction. In the case where a crack occurs in the water receiving part and the water flowing part of the substrate base, water that has entered from the crack in the substrate base may stagnate on the control board, and the large current part of the control board may be short-circuited. It was a composition with high property.

  Furthermore, even when the large current portion of the control board is shorted as described above, the control board is damaged, and as a result, the control board is ignited, the board base is not composed of a flame retardant member. It was a configuration that could cause the spread of fire to the vessel.

For the reasons as described above, the configuration of the conventional rice cooker described in Patent Document 2 has a problem in the safety of abnormal situations.

  This invention solves the said conventional subject, and it aims at providing the rice cooker which reduced the cost of the rice cooker main body and implement | achieved compactization, ensuring the safety | security of a rice cooker main body.

  In order to solve the conventional problems, the rice cooker of the present invention includes a rice cooker body, an upper frame that forms an upper surface opening of the rice cooker body, an upper part of the rice cooker body, and the upper surface opening. A lid that freely opens and closes a portion, an inner pot that is detachably stored in the rice cooker body, and a heating means that is positioned below the upper frame and that heats the food in the inner pot. A control board provided with a control frame, a control device for controlling the heating means, and a board base on which the control board is installed, the board base being located immediately below the upper frame and of the control board; The rice cooker includes: a water receiving portion that covers the entire upper surface; and a drainage structure that guides water accumulated in the water receiving portion to the lower side of the control board, and the control board installation surface of the board base is in a substantially vertical direction. Installed on the main body, between the upper frame and the control board Since Mamoruwaku is not interposed, the height direction of the space of the cost savings and rice cooker body due to volume reduction of the protective frame can pack, it is possible to realize a compact rice cooker body. At the same time, when a crack occurs in the upper frame above the control board and water enters the inside of the rice cooker body, the water is not attached to the control board because the water receiving and draining configuration is provided on the board base. , Without sacrificing safety. As described above, it is possible to achieve cost reduction and downsizing of the rice cooker body while ensuring the safety of the rice cooker body.

  The rice cooker of this invention can implement | achieve compactization of a product at low cost, ensuring the safety | security of the rice cooker main body.

Sectional drawing of the rice cooker in Embodiment 1 of this invention. Cross-sectional view of the main part showing the substrate base with the control board of the rice cooker installed The perspective view which looked at the substrate base of the rice cooker from the back (A) The principal part perspective view which shows the drainage guide rib located in the outer periphery of the nail | claw part hole of the board | substrate base of the rice cooker, (b) The principal part perspective view which shows the drainage guide rib located in the outer periphery of the hook part hole of the board | substrate base Bottom view of the rice cooker with the body removed The perspective view which looked at the substrate base of the rice cooker in 2nd Embodiment to this invention from the back surface

1st invention is a rice cooker main body, the upper frame which formed the upper surface opening part of the said rice cooker main body, and the cover body which freely opens and closes the said upper surface opening part while forming the upper part of the said rice cooker main body, An inner pot that is detachably stored in the rice cooker body, a protective frame that is located below the upper frame and has heating means for heating the food in the inner pot, and a control that controls the heating means A control board provided with a device, and a board base on which the control board is installed, the board base being positioned immediately below the upper frame and covering the entire upper surface of the control board; A drainage structure that guides water accumulated in the receiving portion to the lower side of the control board, and is installed on the rice cooker body so that the control board installation surface of the board base is in a substantially vertical direction. Since there is no protective frame between the substrates, the volume of the protective frame Can be packed in the height direction of the space of the cost savings and rice cooker body by small, it is possible to realize a compact rice cooker body. At the same time, when a crack occurs in the upper frame above the control board and water enters the rice cooker body,
Since the water receiving and draining structure is provided on the substrate base, water does not adhere to the control substrate, and safety is not impaired. As described above, it is possible to achieve cost reduction and downsizing of the rice cooker body while ensuring the safety of the rice cooker body.

  In the second invention, in particular, the drainage configuration of the first invention is configured with an inclined surface with the back side of the substrate base being the lower side, and a crack is generated in the upper frame above the control substrate, The flow path of the infiltrated water can be limited to the outside of the back surface of the substrate base, and water can be prevented from adhering to the control board, and a charging unit (for example, a battery) other than the control board installed inside the rice cooker body Since the size of the rice cooker body in the front-rear direction can be reduced, the rice cooker body can be made compact.

  In the third invention, in particular, the drainage configuration of the first invention is configured with an inclined surface with the water receiving portion being directed downward on the side surface side of the substrate base, and cracks are generated in the upper frame above the control substrate, The flow path of the infiltrated water can be limited to the side surface side of the substrate base, water can be prevented from adhering to the control substrate, and the charging unit other than the control substrate installed inside the rice cooker body (for example, battery substrate) ) Can be installed in the space outside the back of the substrate base, the size of the rice cooker body in the left-right direction can be reduced, and the product can be made compact.

  4th invention forms especially the board | substrate base of any one of 1-3 from a flame-retardant resin or a flame-retardant member, and when a control board ignites, it is to a rice cooker main body. Can be prevented.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
1 is a cross-sectional view of a rice cooker according to Embodiment 1 of the present invention, FIG. 2 is a main-part cross-sectional view showing a substrate base in a state where a control board of the rice cooker is installed, and FIG. The perspective view which looked at the substrate base from the back, Fig.4 (a) is a principal part perspective view which shows the drainage guide rib located in the outer periphery of the nail | claw part hole of the substrate base of the rice cooker, FIG.4 (b) is the substrate The principal part perspective view which shows the drainage guide rib located in the outer periphery of the hook part hole of a base, FIG. 5 is the bottom view of the state which removed the body of the rice cooker.

  In FIG. 1, the rice cooker main body 1 of the rice cooker in this Embodiment is comprised from the upper frame 3 which has the body 2 and the upper surface opening part 3a, and has the protective frame 5 which accommodates the inner pot 4 in the inside. Provided below the protective frame 5 are a bottom induction heating coil 6 which is an inner pot heating means for heating the inner pot 4 and a bottom sensor 7 which is an inner pot temperature detecting means for detecting the temperature of the inner pot 4. ing. The lower part of the protective frame 5 is connected to the body 2 by a screw tightening structure, and the upper part is connected to the upper frame 3 by a screw tightening structure.

  The region of the protective frame 5 in the rice cooker main body 1 remains in the vicinity of the connecting portion between the lower portion of the inner pot 4 and the body 2 and the upper frame 3, and does not reach the rear portion of the rice cooker main body 1. The inner pot 4 is supported by an upper frame cap 8 installed on the upper frame 3 and keeps a distance from the bottom induction heating coil 6. A side induction heating coil 9, which is an inner pot side surface heating means for heating the side surface of the inner pot 4, is installed on the side surface portion of the inner pot 4.

12 is a lid that forms the upper part of the rice cooker body 1 and that freely opens and closes the upper surface opening 3a of the upper frame 3, and is supported by the rice cooker body 1 by the hook lever 10 when the lid 12 is closed. Has been. A lid heating plate 11 is installed in the lower part of the lid 12, and a lid induction heating coil 14 that is a lid heating plate heating means for heating the lid 12 and a lid sensor 13 that is a lid temperature detection means are provided inside.
In the upper part, an operation unit 40 which is an input device of the rice cooker body 1 is provided.

  The lid heating plate 11 is provided with an inner pot seal packing 16 that comes into contact with the inner pot flange portion 15 to seal the steam generated by heating the food 17 in the inner pot 4 from leaking. . 18 is a control board provided with a control device (not shown) that controls the amount of current supplied to each heating means based on the temperature information of the bottom sensor 7 and the lid sensor 13 and adjusts the amount of heating to the inner pot 4. Based on the signal emitted from the control board 18, the cooked food 17 in the inner pot 4 is cooked and kept warm. The cooked food 17 is rice before cooking rice, water, cooked rice, or the like. Each heating means may be a heater.

  As shown in FIGS. 1 and 2, the substrate base 19 is formed of a flame-retardant member, has a prismatic shape with one surface opened, and is located on the rear side of the rice cooker body 1 so that the opening surface is a substantially vertical surface. The protective frame 5 and screws 20 are fixed immediately below the frame 3. The control board 18 is installed so that the solder surface side 21 faces the control board installation surface 22 of the board base 19. In addition, a fixed space 23 is provided between the solder surface side 21 of the control board 18 and the board base 19, and this space 23 is a lead terminal (not shown) of a board component mounted on the control board 18. Or a pattern (not shown) and the substrate base 19 are prevented from coming into direct contact with each other.

  The control board 18 is securely fixed by claw fitting, hooking, screw fixing or the like so that the control board 18 is securely fixed to the control board installation surface 22 of the board base 19 without floating. Yes. The configuration described above is intended to prevent the spread of fire from the solder surface 21 of the control board 18 to the rice cooker body 1 even when the control board 18 is ignited due to an abnormal situation such as adhesion of water or cracking of the board. Yes.

  In addition, the control board 18 includes a heat sink 24 for cooling the board components below and a fan motor 25 for sending air outside the rice cooker body 1 into the rice cooker body 1 immediately below the heat sink 24. ing. A control board 26 that controls the rotation of the fan motor 25 is provided at a substantially central portion of the fan motor 25.

  As described above, the control board 18, the board base 19, the heat sink 24, and the fan motor 26 are installed in the rear part of the rice cooker body 1 in a state of being integrated together.

  A water receiving portion 27 that covers the upper surface of the control substrate 18 is provided on the upper portion of the substrate base 19. The water receiving portion 27 is formed of an inclined surface with the back side of the substrate base 19 (the front side of the rice cooker body 1) as a lower side, and has a convex rib 28 on the outer peripheral portion of the water receiving portion 27 other than the back direction of the substrate base 19. Is arranged.

  As shown in FIG. 3, a plurality of grid-like ribs 29 are arranged on the same surface on the back surface of the substrate base 19 as a countermeasure against warping during molding. Two drainage guide ribs 30 protruding from the grid-like ribs 29 are provided above the control board 26 of the fan motor 25.

  Also, as shown in FIGS. 4 (a) and 4 (b), a claw portion (not shown) and a hook portion (not shown) provided for fixing the control board 18 are formed on the back surface by a molding die configuration. A drainage guide rib 32 is also provided on the outer peripheral portion of the generated hole 31 so as to open downward and protrude from the lattice-like rib 29. In addition, the lower end of the drainage guide rib 32 is disposed below the lower end of the hole 31.

Moreover, as shown in FIG. 5, the connection part 33 of the bottom induction heating coil 6 which is an inner pot heating means, and the control board 18 is located below the control board 18, and the outer periphery is shape | molded with a flame-retardant member. The terminal cover 34 is covered. In the above configuration, the connection portion 33 between the bottom induction heating coil 6 and the control board 18 is a large current connection portion, and even when ignition occurs from the connection portion 33 due to an abnormal situation such as water adhesion or connection failure, the outer periphery thereof It is taken with the intention of preventing the spread of fire from the connecting portion 33 to the rice cooker main body 1 by covering it with flame retardancy.

  Further, as shown in FIG. 3, the substrate base 19 is provided with a water receiving portion 35 above the connection portion 33 of the bottom induction heating coil 6 and the control substrate 18, and a drainage channel 36 is provided on the side surface portion thereof. .

  About the rice cooker in this Embodiment comprised as mentioned above, a crack generate | occur | produces in the part located above the control board 18 of the upper frame 3 by abnormal situations, such as fall of a rice cooker, and the crack part (FIG. The operation and action when water enters from (not shown) will be described.

  The water that has entered from the crack portion generated in the upper frame 3 first drops to the water receiving portion 27 of the substrate base 19. The water receiving portion 27 is configured by an inclined surface with the back side of the substrate base 19 (the front side of the rice cooker body 1) downward, and the convex ribs 28 are disposed on the outer peripheral portion of the substrate base 19 other than the back direction. Therefore, the dropped water is guided from the water receiver 27 to the back side of the substrate base 19.

  A part of the water guided to the back side of the substrate base 19 is formed on the upper part of the control board 26 of the fan motor 25 and the back of the hook part and the hook part provided for fixing the control board 18. However, the water is transmitted to the drainage guide ribs 30 and 32, so that the water does not adhere to the control board 26 of the fan motor 25 and the water does not enter the hole 31. Then, it is guided below the back surface of the substrate base 19. Note that the lower end of the drainage guide rib 32 is provided below the lower end of the hole 31 because the water transmitted through the drainage guide rib 32 does not enter the hole 31 from the lower end of the drainage guide rib 32 due to surface tension. It is for doing so.

  Below the control board 18, there is a connection part 33 to the bottom induction heating coil 6, which is a large current connection part. A water receiving part 35 is provided on the board base 19 so as to prevent water from entering and entering above. Further, since the drainage channel 36 is also provided so that the accumulated water does not overflow, the water guided to the upper side of the connection portion 33 with the bottom induction heating coil 6 does not enter the connection portion 33 and does not enter the connection portion 33. Guided down the back. The water guided to the lower back side of the substrate base 19 is dropped on the body 2 facing the lower surface of the substrate base 19, and outside the rice cooker body 1 through a drain port (not shown) provided in the body 2. Discharged.

  As described above, the water that has entered from the crack portion of the upper frame 3 is discharged to the outside of the rice cooker body 1 without adhering to the control board 18 and the control board 26 of the fan motor 25.

  As described above, in the rice cooker according to the present embodiment, even when a crack is generated in a portion located above the control board 18 of the upper frame 3 due to an abnormal situation such as dropping of the rice cooker, the control board 18 and Water does not adhere to the connection portion 33 between the control board 26 of the fan motor 25 and the bottom induction heating coil 6 and the control board 18, and the safety as a product can be reliably ensured.

  In addition, the water receiving portion 27 is an inclined surface with the back side of the substrate base 19 (the front side of the rice cooker body 1) downward, so that the flow path of the infiltrated water is limited to the back side of the substrate base 19. Since the charging part (for example, battery board) other than the control board 18 installed in the rice cooker body 1 can be installed in the space outside the side surface of the board base 19, the front and rear of the rice cooker body 1. The size of the direction can be reduced, and the rice cooker body 1 can be made compact.

Moreover, in this Embodiment, since the mounting structure of the control board 18 by the protective frame 5 and a water receiving structure are not needed between the upper frame 3 and the control board 18, the structure of the protective frame 5 in the rice cooker body 1 An area | region can be limited to the downward direction of the inner pot 4, and the connection part vicinity of the body 2 and the upper frame 3, and the cost reduction of the rice cooker main body 1 by the significant volume reduction of the protective frame 5 is realizable.

  Further, in the present embodiment, as shown in FIG. 1, the substrate base 19 is fixed to the protective frame 5 with screws 20 so that it does not receive an impact directly from the body 2 due to falling rice cookers. There is no need to provide a vertical gap in the installation of the substrate 18 and the substrate base 19, and the rice cooker body 1 can be made compact in the height direction of the rice cooker body 1.

  Furthermore, for the same reason as described above, the basic thickness of the substrate base 19 may be set to a thickness that can ensure flame retardancy. Therefore, the water of the conventional rice cooker in which the water receiving portion is configured by the protective frame 5. The substrate base 19 can be formed with a thickness of about 70% of the thickness of the receiving portion, and the rice cooker body 1 can be made compact in the product height direction of the rice cooker body 1.

  Moreover, in this Embodiment, the control board of the upper frame 3 is installed in the rice cooker body 1 so that the control board installation surface 22 of the board base 19 is in a substantially vertical direction. In the case where cracks are generated in both the upper portion 18 and the water receiving portion 27 of the substrate base 19 and water enters, the water that has entered does not stagnate on the control substrate 18 and flows down to the control substrate 18. It is possible to reduce the possibility of a short circuit in the upper large current portion.

(Embodiment 2)
FIG. 6: is the perspective view which looked at the board | substrate base of the rice cooker in the 2nd Embodiment of this invention from the back surface. In addition, the same code | symbol is attached | subjected to the part same as the rice cooker in the said 1st Embodiment, and the description is abbreviate | omitted.

  As shown in FIG. 6, the rice cooker in the present embodiment is provided with a water receiving portion 27 that covers the upper surface of the control substrate 18 on the upper portion of the substrate base 19, and the water receiving portion 27 is a water receiving portion of the substrate base 19. A substantially central portion of the portion 27 is formed as an inclined surface having a vertex 37 and both side surfaces are directed downward, and convex ribs 28 are disposed on the outer peripheral portion of the water receiving portion 27 other than the both side surfaces.

  Further, on the side surface side of the substrate base 19, a drainage guide rib 38 that guides water downward to the side surface portion, and a drainage guide rib 39 that covers the upper portion of the claw portion for fixing the control substrate 18, the lower end is the lower end of the hole 31. Since the other configuration is the same as that of the first embodiment, the description is omitted.

  About the rice cooker in this Embodiment comprised as mentioned above, a crack generate | occur | produces in the part located above the control board 18 of the upper frame 3 by abnormal situations, such as dropping of a rice cooker, and water from the crack part. The operation and action will be described based on the case where the water enters.

  The water that has entered from the crack portion generated in the upper frame 3 first drops to the water receiving portion 27 of the substrate base 19. The water receiving portion 27 is configured by an inclined surface having a substantially central portion of the water receiving portion 27 of the substrate base 19 as an apex 37 and both side surfaces being downward, and a convex rib 28 is disposed on an outer peripheral portion other than the both side surfaces. Therefore, the dropped water is guided from the water receiver 27 to the side surfaces on both sides of the substrate base 19. The water guided to the side surface of the substrate base 19 flows between the drainage guide ribs 38 or is guided along the drainage guide ribs 38 to the lower side, and is guided to the upper side of the claw portion for fixing the control substrate 18. However, the guided water is guided to the lower side of the hole 31 through the drainage guide rib 39 without entering the hole 31 of the claw portion.

The lower end of the drainage guide rib 39 is provided below the lower end of the hole 31 so that the water transmitted through the drainage guide rib 39 does not enter the hole 31 from the lower end of the drainage guide rib 39 due to surface tension. It is to make it. In addition, the water receiving part 27 may be configured by an inclined surface with one side face downward, and the convex ribs 28 may be disposed on the water receiving part 27 other than the side face direction on the lower side.

  Since other operations and actions are the same as those in the first embodiment, the description thereof is omitted.

  As described above, in the present embodiment, even when a crack occurs in a portion of the upper frame 3 located above the control board 18 due to an abnormal situation such as a rice cooker dropping, the control board 18 and the fan motor 25 are also generated. Therefore, water does not adhere to the connection portion 33 between the control board 26 and the bottom induction heating coil 6 and the control board 18, and safety as a product can be ensured.

  In addition, since the water receiving portion 27 is an inclined surface with the both side surfaces of the substrate base 19 on the lower side, the flow path of the infiltrated water can be limited to the side surface portion of the substrate base 19. 1 Since a charging unit (for example, a battery board) other than the control board 18 installed in the interior can be installed in a space outside the side surface of the board base 19, the size of the rice cooker body 1 in the left-right direction is reduced. The rice cooker body 1 can be made compact.

  As described above, the rice cooker according to the present invention can be reduced in cost and compact in the rice cooker main body while ensuring the safety of the rice cooker main body, and therefore can be applied to other uses such as cooking equipment. .

DESCRIPTION OF SYMBOLS 1 Rice cooker main body 3 Upper frame 3a Upper surface opening part 4 Inner pan 5 Protection frame 6 Bottom induction heating coil (heating means)
9 Lid 12 Lid 17 Cooked food 18 Control board 19 Board base 22 Control board installation surface 27 Water receiving part

Claims (4)

A rice cooker body, an upper frame that forms an upper surface opening of the rice cooker body, a lid that forms an upper part of the rice cooker body and freely opens and closes the upper surface opening, and is detachable from the rice cooker body A control board comprising an inner pot housed in a container, a protective frame that is positioned below the upper frame and that has heating means for heating the food in the inner pot, and a control device that controls the heating means And a substrate base on which the control board is installed, the substrate base being located immediately below the upper frame and covering the entire upper surface of the control board, and water accumulated in the water receiving part The rice cooker is characterized in that it is installed in the rice cooker body so that the control board installation surface of the board base is in a substantially vertical direction. The rice cooker according to claim 1, wherein the drainage configuration is configured by an inclined surface in which the water receiving portion has the back side of the substrate base as a lower side. The rice cooker according to claim 1, wherein the drainage configuration is configured by an inclined surface in which the water receiving portion has a side surface side of the substrate base as a lower side. The substrate cooker according to any one of claims 1 to 3, wherein the substrate base is formed of a flame retardant resin or a flame retardant member.