JPH1187038A - Heating cooker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To cool an inverter unit in an upper unit side and electrical equipment in a lower unit side by one fan motor efficiently. SOLUTION: A cooling fan 21 comprised of a centrifugal fan having a structure capable of sucking from both its upper and lower parts is installed and a fan motor 20 to rotate the cooling fan 21 is also installed below the back side of an upper unit 3. The wind from the cooling fan 21 is separated into that for the upper unit 3 side and that for the lower unit 4 side. An inverter 10 is cooled by the wind flowing through the inside of a cooling duct 15 out of the wind for the upper unit 3 side and an induction heating coil 8 is cooled by the wind going out from an intermediate part of the cooling duct 15. The wind for the lower unit 4 side is delivered to the inside of an electrical equipment receiving part 56 and electrical equipment 59 is cooled by this wind.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heating cooker provided with an upper unit having a plurality of induction heating coils and an inverter unit for controlling them, and a lower unit provided with a roaster and electric components.

[0002]

In recent years, as for a cooking device for a kitchen, an induction heating coil which does not use a fire as a heat source has been widely used for the purpose of improving fire safety. The conventional configuration of this type of heating cooker is as follows.

[0003] The cooking device is divided into an upper unit and a lower unit. A top plate is arranged on the upper surface of the case of the upper unit, and two induction heating coils and one heater are arranged below the top plate. Also, inside the case,
Two inverter units are provided corresponding to the two induction heating coils to control them, and two sets of cooling devices for cooling the inverter units are provided corresponding to the inverter units.

Each cooling device is composed of a fan motor, a cooling fan rotated by the fan motor, and a cooling duct for guiding the wind of the cooling fan to the inverter unit. To cool the inverter unit.

On the other hand, a roaster using a heater as a heat source is provided in the lower unit, and an operation panel is provided, and electrical components such as a control device and a switch are provided behind the operation panel. ing.

However, in the above-described conventional configuration, there are two inverter units corresponding to the two induction heating coils, and two sets of cooling devices for cooling these inverter units are required. Therefore, there is a disadvantage that the cost is high.

By the way, in the case of such a cooking device,
Although it is preferable to cool the electrical components provided in the lower unit, it is not conventionally configured to forcibly cool the electrical components.

[0008] Then, about cooling the electrical component,
It is conceivable to provide a special cooling device for cooling,
This increases costs. It is also conceivable to guide the wind that has cooled the inverter unit in the upper unit to the lower unit side and cool the electrical components with the wind. However, in this case, since the wind after cooling the inverter unit is used, the cooling efficiency of the electrical components is deteriorated.

The present invention has been made in view of the above circumstances, and an object thereof is to efficiently cool an inverter unit on an upper unit side and electric components on a lower unit side with one fan motor. It is to provide a heating cooker that can.

[0010]

Means for Solving the Problems A cooking device according to the present invention comprises:
In order to achieve the above object, an upper unit including a plurality of induction heating coils and an inverter unit for controlling them, a lower unit including a roaster and electrical components, and disposed below the upper unit, A fan motor and a cooling fan rotated by the fan motor, and the blower action of the cooling fan rotated by the fan motor causes the inverter unit of the upper unit and the electrical components of the lower unit to rotate. It is characterized in that it is configured to be cooled in parallel.

In the above configuration, the inverter unit of the upper unit and the electrical components of the lower unit can be cooled by one fan motor. In addition, the inverter unit of the upper unit and the electrical components of the lower unit can be cooled by the cool wind sent from the cooling fan.

In this case, it is preferable that the upper unit is provided with a cooling duct for guiding the wind from the cooling fan to the inverter unit and the plurality of induction heating coils in parallel. In such a configuration,
The plurality of induction heating coils arranged in the upper unit can also be cooled by cold wind sent from the cooling fan.

It is preferable that the cooling fan is a centrifugal fan having a structure of suction in both upper and lower sides (the invention of claim 6). With such a configuration, it is possible to satisfactorily send air to both the upper unit side and the lower unit side with one cooling fan.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS. First, FIG. 2 shows a schematic configuration of the entire heating cooker 1 of the present invention. The heating cooker 1 is configured to be used by being incorporated into a cabinet 2 of a system kitchen.
It is composed of an upper unit 3 and a lower unit 4 disposed below the upper unit 3.

The upper unit 3 has a rectangular case 6 having a top plate 5 disposed on the upper surface. Inside the case 6, two induction heating coils 7, 8 are arranged side by side on the front part so as to face the lower surface of the top plate 5, and one central heater 9 is provided on the rear part. It is located at the center of the.

As shown in FIGS. 1 and 3, the lower part of the case 6 is located on the right side of the front part.
An inverter unit 10 for controlling the induction heating coils 7 and 8 is provided. This inverter unit 10
Has a configuration in which two inverter units corresponding to two induction heating coils 7 and 8 are collectively provided on one printed circuit board 11. The printed circuit board 11
As shown in FIG. 1, a plurality of heat dissipating members 13 are provided on the printed circuit board 11 and are fixed to the board mounting plate 12 (only one is shown in FIG. 1).

A cooling duct 15 is provided so as to cover the inverter unit 10 from above. Note that a part of the printed board 11 protrudes from the cooling duct 15. At the right rear of the cooling duct 15, a fan casing 16 is integrally provided.
5 and a discharge port 16a of the fan casing 16 communicate with each other. The left side of the cooling duct 15 is open. The fan casing 16 is disposed at the right rear of the case 6, and a lower part thereof is formed in an opening 1 formed at the bottom of the case 6.
7 protrudes downward.

A motor base 18 is mounted on the lower surface of the bottom of the case 6, and a fan motor 20 is mounted on the motor base 18 via a motor mounting plate 19 with the rotating shaft 20a facing upward. On the rotating shaft 20a,
A cooling fan 21 composed of a centrifugal fan is attached,
This cooling fan 21 is arranged in the fan casing 16. The cooling fan 21 is of a suction type in which upper and lower sides of a main plate 22 are provided with blades 23 protruding therefrom.

On the upper surface of the fan casing 16, an upper suction port 25 is formed at a position corresponding to the cooling fan 21,
The motor base 18 has a lower suction port 26 formed at a position below the cooling fan 21 and a lower discharge port 27 formed at a front portion (left side in FIG. 1). The end of the board mounting plate 12 on the side of the cooling fan 21 is
1 is divided into an upper unit 3 side and a lower unit 4 side.
In FIG. 8, an inclined surface 29 that rises to the left in FIG. 1 is formed. In this case, in the cooling fan 21, the outer peripheral portion 22 a of the main plate 22, which is the partition position in the vertical direction of the blade 23, is located above the branch portion 28.

An auxiliary duct 30 is integrally provided above the cooling duct 15, and a discharge opening 31 (see FIG. 3) is formed in a portion located near the induction heating coil 8 on the right side. ing. In this case, the auxiliary duct 30
The inflow port 30a and the discharge opening 31 of the
9 is formed at a position substantially on an extension of the line 9. The discharge port 30b of the auxiliary duct 30 is opened near the left induction heating coil 7, which is an induction heating coil far from the cooling fan 21, and the discharge opening 31 is
It is open near the induction heating coil 8 on the right side, which is the induction heating coil on the side closer to.

An upper portion of the fan casing 16 is provided with a synthetic resin inlet cover 35 for forming an air passage 34 so as to cover the upper inlet 25, and an intake duct 36 is provided on the right rear of the case 6. Is provided. A cover 37 is provided integrally below the intake duct 36 so as to cover the fan motor 20 from below. An upper opening of the intake duct 36 is an intake port 38, and an intake / exhaust cover 39 is arranged above the intake port 38.

The inside of the intake duct 36 and the fan casing 16
The upper suction port 25 communicates with the upper suction port 25 via a ventilation path 34, and also communicates between the lower part in the intake duct 36 and the lower suction port 26 of the motor base 18. A water receiving portion 40 is provided at a lower portion of the intake duct 36, and a water return portion 41 for restricting water from flowing from the water receiving portion 40 toward the fan motor 20 is provided. Water receiver 40
A drain hole 42 is formed at the bottom of the.

In the case 6, an exhaust port 43 (see FIG. 2) is formed on the left side of the rear face, and a front exhaust port 44 is formed on the left side of the front face. In this case, the opening area of the front exhaust port 44 is set smaller than the opening area of the rear exhaust port 43. The case 6 is covered with an outer frame (not shown) from the surroundings, so that the exhaust in the case 6 is not directly exhausted from the front exhaust port 44 to the front.

On the other hand, the lower unit 4 is provided with a roaster 51 on the left side of the case 50. The roaster 51 has a configuration in which a heater (not shown) is provided in a roaster case 52, and a door 53 is provided on the front surface. An L-shaped roaster exhaust duct 54 communicating with the inside of the roaster case 52 is connected to a left rear portion of the roaster case 52. A gap is formed between the front surface of the rising portion of the roaster exhaust duct 54 and the exhaust port 43 so that exhaust discharged from the exhaust port 43 is discharged to the outside through the gap. Has become.

An operation panel 55 is provided on the front right side of the case 50. An electric component housing 56 is formed on the back side of the operation panel 55.
In addition, an electrical component 59 such as a control device and electrical components is provided. The lower discharge port 27 faces the electrical component storage portion 56 from behind.

The rear portion of the bottom 50a of the case 50 in the lower unit 4 extends below the water receiving portion 40 so that the water flowing from the drain hole 42 of the water receiving portion 40 can be received. ing. A drain hole 60 is also formed in the bottom 50 a of the case 50, and a water receiving plate 61 is provided below the case 50 so as to receive the water flowing out from the drain hole 60.

Next, the operation of the above configuration will be described. When one or both of the induction heating coils 7 and 8 are used, the fan motor 20 is energized. When the cooling fan 21 is rotated by the fan motor 20, external air is generated by the air blowing action of the
Then, the air passes through the intake duct 36 and the ventilation path 34, is sucked into the fan casing 16 from the upper intake port 25 (see the arrow A in FIG. 1), and passes through the lower part of the intake duct 36 and enters the fan casing 16 from the lower intake port 26 (See arrow B in FIG. 1).

The air (wind) discharged from the fan casing 16 is divided into the upper unit 3 side and the lower unit 4 side with the branch part 28 as a boundary. At this time,
Since the inclined surface 29 is formed in the branch portion 28, the air flows smoothly and the loss can be reduced.

The air discharged to the upper unit 3 flows through the cooling duct 15 and mainly flows into the inverter unit 20.
While cooling, is discharged into the case 6 from the opening on the left side of the cooling duct 15 (see arrow C in FIGS. 1 and 3),
Some flow out of the cooling duct 15 through the discharge opening 31 to flow so as to cool the induction heating coil 8 on the right side (see arrow D in FIG. 3), and some flow through the inlet 30a. It flows through the duct 30, exits the auxiliary duct 30 from the discharge port 30 b, and flows so as to cool the induction heating coil 7 on the left side (see an arrow E in FIGS. 1 and 3).

In this case, the discharge opening 31 and the inflow port 30a of the auxiliary duct 30 are provided at a position substantially on the extension of the inclined surface 29 of the branch portion 28, so that wind is generated by the discharge opening 31 and the auxiliary duct 30. It is easy to enter the inflow port 30a of the auxiliary duct 30.

The air that has cooled the inverter unit 20 and the left and right induction heating coils 7 and 8 is discharged to the outside mainly from the rear exhaust port 43 having low ventilation resistance, and partly discharged to the outside from the front exhaust port 44. Is done.

The liquid is discharged from the lower discharge port 27 toward the lower unit 4 into the electrical component housing 56 (see the arrow F in FIGS. 1 and 3). The air discharged into the electrical component housing 56 cools the electrical components 59 such as the control device and the electrical components, and is then discharged to the outside.

On the other hand, when water is spilled from the intake port 38 into the intake duct 36, the water is once received by the water receiving portion 40, falls through the drain hole 42 of the water receiving portion 40, and falls into the lower unit. 4 and is dropped from the drain hole 60 of the case 50 and finally received and stored by the water receiving plate 61. The water stored in the water receiving plate 61 evaporates spontaneously. Water receiver 4
Since the water return portion 41 is provided in the nozzle 0, even if there is much water spilled into the intake duct 36, it is possible to prevent water from being applied to the fan motor 20 as much as possible.

According to the above embodiment, the following effects can be obtained. Since the wind of the cooling fan 21 rotated by the fan motor 20 cools the inverter unit 10 of the upper unit 3 and the electrical component 59 of the lower unit 4, the inverter unit 10 and the lower unit 4 of the upper unit 3 are cooled. Electrical components 59 and 1
The cooling can be performed by the fan motors 20.

Therefore, there are two inverter units corresponding to the two induction heating coils, which is different from the conventional configuration which requires two sets of cooling devices corresponding to each of the inverter units. Unlike the case where a dedicated cooling device for cooling the electrical components is provided, the cost can be reduced.

Also, since the inverter unit 10 of the upper unit 3 and the electrical component 59 of the lower unit 4 can be cooled in parallel by the cold wind sent from the cooling fan 21, they can be cooled well. it can.

Further, the upper unit 3 is provided with a cooling duct 15 for guiding the wind from the cooling fan 21 to the inverter unit 10 and the two induction heating coils 7 and 8 in parallel. Heating coils 7, 8
Can also be satisfactorily cooled by the cold wind sent from the cooling fan 21.

The cooling fan 21 is a centrifugal fan.
In addition, since a structure having both upper and lower suction units is used, a single fan can satisfactorily send air to both the upper unit 3 and the lower unit 4.

By the way, in such a configuration, the required amount of cooling air is much larger on the upper unit 3 side than on the lower unit 4 side (experimentally, the upper unit 3 side is required). Is required about 5 times the lower unit 4 side). In addition, the ventilation resistance on the lower unit 4 side is small, and therefore the effective portion of the blades 23 of the cooling fan 21 is small. Further, the position of the cooling fan 21 is preferably set to be substantially the same height as the cooling duct 15 of the upper unit 3 in consideration of the flow of the wind. In this case, since the upper intake port 25 is provided, Since it is necessary to secure a certain distance above the upper suction port 25 (preferably １ ／ or more of the diameter of the upper suction port 25 (diameter of the bell mouth)), the position of the cooling fan 21 is set too high. It is not possible.

In this embodiment, in consideration of such circumstances, in the cooling fan 21, the outer peripheral portion 22a of the main plate 22, which is the partitioning position of the blade 23 in the vertical direction, is positioned above the branch portion 28. As a result, while sending air to both the upper unit 3 side and the lower unit 4 side, the air volume to the upper unit 3 side can be secured as much as possible, and the upper unit 3 side and the lower unit 4 side can be secured. The wind can be sent to both sides efficiently.

In this case, when the partition position (the outer peripheral portion 22a of the main plate 22) of the cooling fan 21 is located below the branch portion 28, the air volume to the lower unit 4 can be increased. By adjusting the partition position of the cooling fan 21 in the vertical direction with respect to the branch portion 28, it becomes possible to adjust the balance of the air volume to the upper unit 3 side and the lower unit 4 side.

FIGS. 4 and 5 show a second embodiment of the present invention. The second embodiment differs from the first embodiment in the following points. That is, the auxiliary duct 30 is provided above the cooling duct 15 in the upper unit 3.
Are not provided, two discharge openings 31 are formed near the induction heating coil 8 on the side closer to the cooling fan 21 (right side in FIG. 4), and on the side farther from the cooling fan 21 (in FIG. One discharge opening 65 is formed near the induction heating coil 7 (on the left side). The two discharge openings 31 are formed at positions substantially on the extension of the inclined surface 29.

In FIG. 5, the fan casing 1
6, a groove 66 is formed outside the intake duct 36, and a drain hole 67 is formed in the groove 66. The drain hole 67 is located above the water receiving portion 40 of the intake duct 36, and the water flowing out from the drain hole 67 is guided to the water receiving portion 40.

In the above embodiment, the cooling fan 2
Among the winds sent from 1 to the upper unit 3 side, the wind flowing through the cooling duct 15 cools the inverter unit 10, and the wind coming out of the discharge opening 31 cools the right induction heating coil 8. (See arrow D in FIG. 4),
Further, the induction heating coil 7 on the left side is cooled by the wind coming out of the discharge opening 65 (see arrow G in FIG. 4).

When water spilled from the intake port 38 into the intake duct 36 falls on the outside of the fan casing 16, the water flows out from the drain hole 67 of the groove 66 to avoid the fan motor 20. In this case, the water receiver 40
, Water can be prevented from splashing on the fan motor 20.

FIG. 6 shows a third embodiment of the present invention. The third embodiment differs from the first embodiment in the following points. That is, the cooling fan 70 is
1 has a blade 72 only on the lower side, and has a single suction configuration from the lower side. The fan casing 73 surrounding the cooling fan 70 is disposed in the case 6 of the upper unit 3 and has no upper suction port. At the bottom of the case 6, a lower suction port 74 is formed at a position corresponding to the cooling fan 70, and a lower discharge port 7 is formed at a position corresponding to the discharge port 73a of the fan casing 73.
5 are formed. Branching part 2 in substrate mounting part 12
In FIG. 8, an inclined surface 76 is formed which is inclined leftward in FIG. The fan motor 77 for rotating the cooling fan 70 includes:
With the rotating shaft 77a facing upward, the motor mounting plate 78
And is attached to the bottom of the case 6 via the.

In the above configuration, the fan motor 77
When the cooling fan 70 rotates, external air is drawn into the fan casing 73 from the lower suction port 74 through the suction duct 36 through the suction port 38 by the blowing action of the cooling fan 70 (FIG. 6). Arrow B). The air (wind) discharged from the fan casing 73
Is divided into an upper unit 3 side and a lower unit 4 side (see arrows C, E, and F in FIG. 6) with the branch portion 28 as a boundary. As in the first embodiment, the upper unit 3 side The inverter unit 10 and the left and right induction heating coils 7 and 8 are cooled in parallel, and on the lower unit 4 side, the electrical component 59 in the electrical component housing 56 is cooled.

In the third embodiment described above, the cooling fan 70 having a single suction from the lower side is used.
5 and the suction port cover 35 become unnecessary, and the position of the cooling fan 70 can be raised accordingly, and the upper unit 3
And the height of the upper inner surface of the cooling duct 15 and the upper inner surface of the fan casing 73 can be set at substantially the same position. This allows the air from the cooling fan 21 to hit the inverter unit 10 linearly, so that the cooling efficiency for the inverter unit 10 can be improved.

FIG. 7 shows a fourth embodiment of the present invention. This fourth embodiment differs from the first to third embodiments in the following points. That is, the cooling fan
The first cooling fan 80 includes a centrifugal fan, and the second cooling fan 81 includes an axial fan. These first and second cooling fans 80 and 81 are vertically attached to a rotating shaft 82 a of a fan motor 82, and are rotated by one fan motor 82. The first cooling fan 80 is the case 6 of the upper unit 3.
The second cooling fan 81 is disposed below the case 6. The fan motor 82 is mounted on the bottom of the case 6 via a motor mounting plate 83.

The first cooling fan 80 has a configuration in which only the upper side of the main plate 84 has the blades 85 and the one side suction from the upper side. A fan casing 86 surrounding the first cooling fan 80 is disposed in the case 6 of the upper unit 3, has an upper suction port 87 formed at an upper portion, and covers the upper suction port 87. Is provided with a suction port cover 35. The intake duct 88 reaches a portion corresponding to the bottom of the case 6, but does not extend below the bottom. In the fan casing 86, a groove 66 is formed outside the intake duct 88, and a drain hole 67 is formed in the groove 66.

In the above configuration, when the fan motor 82 is energized, the first and second
Cooling fans 80 and 81 are simultaneously rotated. Out of these, due to the blowing action of the first cooling fan 80, external air is drawn from the intake port 38 through the intake duct 88 into the fan casing 86 from the upper intake port 87 (see arrow A in FIG. 7), Then, the air is discharged from the fan casing 86 to the cool air duct 15 side of the upper unit 3. Of the discharged wind, the inverter unit 10 is cooled by the wind flowing through the cool air duct 15, and the left and right induction heating coils 7, 8 are cooled by the wind that has flowed out of the discharge openings 31 and 65 (see FIG. 4). Is cooled.

Further, the air around the second cooling fan 81 is displaced by an arrow H by the blowing action of the second cooling fan 81.
Flows as shown in FIG.
The electrical component 59 in 6 is cooled.

On the other hand, even if water spilled from the intake port 38 into the intake duct 36 falls on the outside of the fan casing 86, the water is discharged from the drain hole 67 of the groove 66 to the case 5.
Since it is guided to the zero side, it is possible to prevent water from hitting the fan motor 82 even in this case.

[0054]

As is clear from the above description, according to the present invention, the following effects can be obtained. Claim 1
According to this heating cooker, the inverter unit of the upper unit and the electrical components of the lower unit can be cooled by one fan motor, so that the cost can be reduced. In addition, the inverter unit of the upper unit and the electrical components of the lower unit can be cooled well by the cool wind sent from the cooling fan.

According to the cooking device of the second aspect, the upper unit is provided with the cooling duct for guiding the air from the cooling fan to the inverter unit and the plurality of induction heating coils in parallel. The plurality of induction heating coils thus set can also be satisfactorily cooled by the cool wind sent from the cooling fan.

According to the third aspect of the present invention, since the auxiliary duct is provided in the cooling duct, the induction heating coil farther from the cooling fan can be cooled well through the auxiliary duct.

According to the heating cooker of the fourth aspect, the wind in the cooling duct is satisfactorily discharged from the discharge opening provided in the cooling duct to the outside of the cooling duct,
As a result, the induction heating coil can be cooled well.

According to the heating cooker of the fifth aspect, the wind in the cooling duct can flow into the auxiliary duct from the inflow port provided in the cooling duct satisfactorily, and further through the auxiliary duct. The induction heating coil can be cooled well.

According to the heating cooker of the present invention, a centrifugal fan having both upper and lower suction is used as the cooling fan, so that one cooling fan can be used for the upper unit side and the lower unit side. The wind can be sent well to both sides.

According to the heating cooker of the present invention, the position of the partition of the blades in the cooling fan and the position of the branch for dividing the wind from the cooling fan into the upper unit and the lower unit are adjusted in the vertical direction. This makes it possible to adjust the balance of the air flow to the upper unit and the lower unit.

According to the heating cooker of the eighth aspect, by setting the partition position of the blades in the cooling fan so as to be on the upper side with respect to the branch portion, it is possible to ensure a maximum air flow toward the upper unit. Will be able to

According to the ninth aspect of the present invention, the cooling fan is a centrifugal fan having a single suction from the lower side as the cooling fan, thereby requiring a suction port on the upper side. As compared with the above, the position of the cooling fan can be increased, and the wind of the cooling fan can be satisfactorily blown to the inverter unit, so that the cooling efficiency for the inverter unit can be improved.

According to the heating cooker of the tenth aspect, even if water spills into the intake duct, it is possible to prevent the water from splashing on the fan motor side as much as possible. Claim 1
According to the heating cooker of the first aspect, when water is spilled into the intake duct, the water is finally received and stored in the water receiving plate, and can be satisfactorily removed by natural evaporation.

According to the twelfth aspect of the present invention, when water is applied to the outside of the fan casing surrounding the cooling fan, the water is guided from the drain hole to a portion avoiding the fan motor, so that the water is removed. Can be prevented from being applied to the fan motor.

According to the thirteenth aspect of the present invention, by disposing a plurality of inverter units corresponding to the plurality of induction heating coils in the cooling duct, the inverter units can be cooled well.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional side view of a main part showing a first embodiment of the present invention.

FIG. 2 is an overall perspective view.

FIG. 3 is a schematic perspective view for explaining the flow of cooling air.

FIG. 4 is a view corresponding to FIG. 3, showing a second embodiment of the present invention;

FIG. 5 is a diagram corresponding to FIG. 1;

FIG. 6 is a view corresponding to FIG. 1, showing a third embodiment of the present invention.

FIG. 7 is a view corresponding to FIG. 1, showing a fourth embodiment of the present invention;

[Explanation of symbols]

1 is a heating cooker, 3 is an upper unit, 4 is a lower unit, 5 is a top plate, 7, 8 are induction heating coils, 1
0 is an inverter unit, 15 is a cooling duct, 16 is a fan casing, 20 is a fan motor, 21 is a cooling fan, 22 is a main plate, 22a is an outer peripheral portion (blade partition position),
23 is a blade, 25 is an upper suction port, 26 is a lower suction port, 2
8 is a branch portion, 29 is an inclined surface, 30 is an auxiliary duct, 30a
Is an inlet, 31 is a discharge opening, 36 is an intake duct, 3
8 is an intake port, 40 is a water receiving portion, 41 is a water return portion, 42 is a drain hole, 43 is an exhaust port, 50 is a case, 51 is a roaster, 56 is an electrical component storage portion, 59 is an electrical component, and 60 is an electrical component. Drain hole, 61 is a water receiving plate, 67 is a drain hole, 70 is a cooling fan, 73 is a fan casing, 74 is a lower suction port, 77
Represents a fan motor, 80 represents a first cooling fan, and 81 represents a second cooling fan.
, A fan motor, 86 a fan casing, 87 an upper intake port, and 88 an intake duct.

Claims (13)

[Claims] 1. An upper unit including a plurality of induction heating coils and an inverter unit for controlling the induction heating coils, a lower unit including a roaster and electrical components and disposed below the upper unit, and one fan motor And a cooling fan rotated by the fan motor, wherein the cooling fan rotated by the fan motor blows the inverter unit of the upper unit and the electrical component of the lower unit in parallel. A heating cooker having a configuration. 2. A cooling duct for guiding wind from a cooling fan to an inverter unit and a plurality of induction heating coils in parallel in the upper unit.
The heating cooker as described. 3. The cooking device according to claim 2, wherein an auxiliary duct for guiding wind from the cooling fan to an induction heating coil farther from the cooling fan is provided in the cooling duct. 4. An inclined surface for guiding the wind to the upper unit side is provided at a branch portion for dividing the wind from the cooling fan into an upper unit side and a lower unit side, and the inclined surface is provided in a cooling duct of the upper unit. 3. The cooking device according to claim 2, wherein a discharge opening is provided at a position substantially on an extension of the above. 5. A diverging portion for dividing wind from a cooling fan into an upper unit side and a lower unit side is provided with an inclined surface for guiding the wind to the upper unit side, and the inclined surface is provided in a cooling duct of the upper unit. 4. The cooking device according to claim 3, wherein an inflow port for the auxiliary duct is provided at a position substantially on an extension of. 6. The heating cooker according to claim 1, wherein the cooling fan is a centrifugal fan and has a structure of sucking both upper and lower sides. 7. A partition position of a blade in a cooling fan,
7. The heating cooker according to claim 6, wherein the position of a branching portion that divides air from the cooling fan into an upper unit side and a lower unit side is shifted in a vertical direction. 8. The partition position of the blade in the cooling fan,
The cooking device according to claim 7, wherein the cooking device is located above the branch portion. 9. The cooking device according to claim 1, wherein the cooling fan is a centrifugal fan and has a configuration of a single suction from below. 10. The cooling fan is a centrifugal fan and has a configuration of a single suction or a double suction from a lower side,
The cooling fan further includes an intake duct for guiding the air taken in by the cooling fan to the cooling fan, and a water receiver is provided in the intake duct, and a water return for restricting water from flowing from the water receiver to the fan motor side. The cooking device according to claim 1, further comprising a unit. 11. A drain hole is formed at the bottom of the water receiving portion,
The lower unit case receives water flowing from the drain hole, and a drain hole is formed at the bottom of the case, and a water receiver receiving water flowing from the drain hole of the case is provided below the case. The cooking device according to claim 10, wherein a plate is provided. 12. The cooking device according to claim 1, wherein a drain hole is provided outside the fan casing surrounding the cooling fan to guide the received water to a portion avoiding the fan motor. 13. The cooking device according to claim 1, wherein a plurality of inverter units corresponding to the induction heating coils are arranged in the cooling duct.