JP3815196B2 - Induction heating cooker - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an induction heating cooker provided with a cooling guide for performing intake of a cooling fan provided on a bottom surface from a side surface of a main body.
[0002]
[Prior art]
FIG. 5 is a schematic sectional view of a conventional induction heating cooker of this type.
[0003]
As shown in FIG. 5, a top plate 2 for placing a pan of the object to be heated on the top surface of the main body 1 and an induction heating coil 3 for heating the object to be heated provided below the top plate 2 by electromagnetic induction. And a control circuit 4 for performing electromagnetic induction and a cooling fan 5 for cooling the control circuit 4 inside, and a bottom plate 6 provided on the bottom surface of the main body 1 encloses the cooling fan 5. A bottom plate 5 is provided.
[0004]
And in the structure of this kind of conventional induction heating cooking appliance, it was common that the clearance gap between the housing 7 and the floor surface 8 was slight.
[0005]
[Problems to be solved by the invention]
However, in the conventional configuration, since the gap between the body 7 portion of the main body bottom plate 6 and the floor surface 8 is small, the rug laid on the floor surface 8 is sucked from the housing 7 by the fan intake to the bottom surface of the housing 7. Or, if the air is stuck to the side, the intake efficiency of the cooling fan 5 is lowered, so that the inside of the main body is likely to be abnormally hot, and the control circuit 4 inside the main body is thermally damaged depending on the degree of intake shielding. was there.
[0006]
The present invention solves the above-mentioned conventional problems, and provides an induction heating cooker that improves the intake of a cooling fan, promotes cooling of a control circuit, and prevents the inside of the main body from becoming abnormally high temperature. Objective.
[0007]
[Means for Solving the Problems]
In order to solve the above-described conventional problems, an induction heating cooker according to the present invention includes a cooling fan that cools a control circuit that controls an induction heating coil, and a bottom plate that includes a casing that surrounds the cooling fan provided on the bottom surface of the main body. The housing includes a plurality of intake guides that hold the rug at intervals that can prevent the rug from sticking, and the plurality of intake guides extend from the housing toward the outer periphery of the main body. Thus, it is configured to promote intake from the side surface of the housing through the interval from the side surface of the main body.
[0008]
Thereby, even if the space | interval of the said cooling fan and a floor surface is narrow, it can fully inhale through an intake guide from the side surface of a housing, and can fully cool a control circuit.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
According to the first aspect of the present invention, there is provided a top plate for placing a pan heated by induction heating provided on an upper surface of a main body, an induction heating coil provided at a lower portion of the top plate, and the induction heating coil. A control circuit that controls the cooling circuit, a cooling fan that cools the control circuit, and a bottom plate that has a casing that surrounds the cooling fan provided on the bottom surface of the main body, and the casing prevents the rug from sticking. A plurality of intake guides that hold down the rug at intervals that can be extended, and the plurality of intake guides extend from the housing toward the outer periphery of the main body and intake air from the side surfaces of the main body through the intervals from the side surfaces of the main body. It was set as the structure which promotes to do.
[0010]
With this configuration, even if the space between the cooling fan and the floor surface is narrow, it is possible to sufficiently intake air through the space between the intake guides from the side surface of the housing, and the control circuit can be sufficiently cooled. Therefore, it can prevent that the inside of a main body becomes high temperature.
[0011]
In addition, the rug laid on the floor surface is held down by the intake guide extending in the outer circumferential direction, preventing the rug from sticking to the housing, improving the intake from the side of the housing, promoting the cooling of the control circuit, Can be prevented from becoming extremely hot.
[0012]
The invention according to claim 2 is particularly wrinkled in order to eliminate the wrinkles of the wrinkled rug laid on the floor surface by the spiral intake guide, because the intake guide has a spiral configuration. Because it is an intake guide composed of ribs along the flow of the fan's intake air while preventing air intake shielding and rugs from sticking to the housing, it has the effect of promoting intake from the entire side surface The air intake from the side of the housing is improved, the cooling of the control circuit is promoted, and the inside of the main body can be prevented from becoming abnormally high temperature.
[0013]
The invention according to claim 3 is configured to provide a plurality of holes penetrating on both sides of the intake guide, in particular, so that the intake air amount is replenished from the holes of the adjacent guides even when intake shielding occurs in a part. Thus, it is possible to prevent the intake efficiency from decreasing.
[0014]
【Example】
Embodiments of the present invention will be described below with reference to the drawings. Since the configuration of the embodiment is the same as that of the conventional configuration, the same reference numerals are given to the same configurations.
[0015]
Example 1
FIG. 1 is a back view of the induction heating cooker in Embodiment 1 of the present invention. Moreover, Fig.2 (a) is a partially notched top view of the induction heating cooking appliance, and FIG.2 (b) is a side view of the induction heating cooking appliance.
[0016]
2 (a) and 2 (b), a top plate 2 provided on the main body 1 for placing the object to be heated, an induction heating coil 3 for heating the object to be heated, a control circuit 4 and a control circuit 4 are shown. A cooling fan 5 for cooling and a bottom plate 6 having a casing 9 surrounding the cooling fan 5 are configured.
[0017]
In this embodiment, as shown in FIG. 1, an intake guide 10 extending in the outer peripheral direction of the main body 1 is provided on a housing 9 surrounding the cooling fan 5 provided on the bottom plate 6.
[0018]
In this configuration, the suction guide 10 presses the rug laid on the floor surface 8 to prevent the rug from sticking to the housing 9. Therefore, the interval and the number of the intake guides 10 need to be determined in advance by experiments or the like so that the rug does not stick to the housing 9. By doing so, a configuration is obtained in which intake from the side surface is promoted, the control circuit is cooled, and the inside of the main body is prevented from becoming abnormally high temperature.
[0019]
(Reference Example 1)
FIG. 3 is a main part rear view of the induction heating cooker in Reference Example 1 of the present invention.
[0020]
This reference example is different from the first embodiment in that a radial intake guide 11 is provided on the housing 9 as an intake guide.
[0021]
In this configuration, the radial intake guide 11 presses the rug laid on the floor to prevent the rug from sticking to the housing 9, and the radial intake guide 11 promotes intake from the entire side surface of the housing 9. Therefore, the control circuit can be cooled to prevent the inside of the main body from becoming an abnormally high temperature.
[0022]
Note that the interval and number of intake guides 11 may be determined in the same manner as in the first embodiment.
[0023]
(Example 2)
FIG. 4 is a main part back view of the induction heating cooker according to the second embodiment of the present invention.
[0024]
The present embodiment is different from Embodiment 1 or Reference Example 1 in that a spiral intake guide 12 is provided in the housing 9 as an intake guide.
[0025]
In this configuration, the spiral air intake guide 12 prevents the wrinkles of the wrinkled rug laid on the floor surface from being pressed down, so that the air intake shielding by the wrinkles of the rug is prevented and the rug sticks to the side surface of the housing 9. Since the spiral intake guide 12 is configured with ribs along the flow of fan intake, the effect of promoting intake from the entire side surface is obtained. It is possible to obtain a configuration that prevents a high temperature and increases the cooling efficiency.
[0026]
The interval and number of intake guides 12 may be determined in the same manner as in the first embodiment.
[0027]
Example 3
This embodiment differs from the first embodiment, the first reference example, and the second embodiment in that a plurality of holes are provided in the intake guide having the configuration of the first embodiment, the first reference example, and the second embodiment.
[0028]
In this configuration, the air intake guide is pressed against the wrinkled rug on the floor to prevent the air intake from being shielded, the rug from sticking to the side of the housing, and the air intake guide to have a plurality of holes. Thus, even when partial intake shielding occurs, an effect of increasing the intake efficiency by sucking the intake amount from the hole of the adjacent guide can be obtained.
[0029]
The intake guide of the present invention is configured to use a linear body or a plate-shaped body, but is not limited to this, and an intake cylinder made of a cylindrical body such as a rectangle having openings at both ends may be used as the intake guide. good.
[0030]
Further, as a method of providing the intake guide on the housing, the housing and the intake guide may be integrated, or may be combined separately and integrated.
[0031]
【The invention's effect】
As described above, according to the first to third aspects of the present invention, the cooling of the control circuit can be promoted, and the inside of the main body can be prevented from becoming an abnormally high temperature.
[Brief description of the drawings]
FIG. 1 is a back view of the induction heating cooker in Embodiment 1 of the present invention. FIG. 2 is a plan view of the induction heating cooker partially cut out. FIG. 1B is a side view of the induction heating cooker. 3] Back view of the main part of the induction heating cooker in Reference Example 1 of the present invention [FIG. 4] Back view of the main part of the induction heating cooker in Example 2 of the present invention [FIG. 5] Outline of the conventional induction heating cooker Cross-sectional configuration diagram [Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Main body 2 Top plate 3 Induction heating coil 4 Control circuit 5 Cooling fan 6 Bottom plate 9 Housing 10, 11, 12 Intake guide

Claims (3)

A top plate for placing a pan heated by induction heating provided on the upper surface of the main body, an induction heating coil provided at a lower portion of the top plate, a control circuit for controlling the induction heating coil, and cooling the control circuit And a plurality of air intake guides that hold down the rug at intervals that can prevent the rug from sticking to the cooling fan. And the plurality of air intake guides extend from the housing in the outer peripheral direction of the main body and promote intake from the side surface of the housing through the gap from the side surface of the main body. .   A top plate for placing a pan heated by induction heating provided on the upper surface of the main body, an induction heating coil provided at a lower portion of the top plate, a control circuit for controlling the induction heating coil, and cooling the control circuit And a bottom plate having a casing that surrounds the cooling fan provided on the bottom surface of the main body, the casing includes an intake guide that sucks air from a side surface, and the intake guide is configured to be spiral. Induction heating cooker.   A top plate for placing a pan heated by induction heating provided on the upper surface of the main body, an induction heating coil provided at a lower portion of the top plate, a control circuit for controlling the induction heating coil, and cooling the control circuit And a bottom plate having a housing surrounding the cooling fan provided on the bottom surface of the main body, the housing having an intake guide for intake air from a side surface, and the intake guide penetrates on both sides thereof. An induction heating cooker configured to provide a plurality of holes.

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