JP4776356B2 - Electric cooker - Google Patents

Description

  The present invention relates to an air-cooled electric cooker having a cooking chamber that accommodates an object to be cooked, and more particularly to an electric cooker that prevents condensation.

An electric cooker such as a microwave oven is widespread (for example, see Patent Document 1). One type of electric cooker includes a drawer-type door that opens and closes a cooking chamber. An electric cooker of a type having a drawer type opening / closing door is applied to a built-in type application. Moreover, the upper part of the cooking chamber is opened as an entrance for the cooking object. In an electric cooker equipped with a drawer-type opening / closing door, the cooking chamber is opened by pulling the opening / closing door in the horizontal direction, and it becomes possible to put an object to be cooked into the cooking chamber from the outlet , and after cooking from the cooking chamber The cooking object can be taken out.

  6 and 7 are perspective views showing the external appearance of an electric cooker having a drawer-type door, FIG. 6 shows a state in which the door is closed, and FIG. 7 shows a state in which the door is pulled out. Show. In the figure, reference numeral 100 denotes an electric cooker having a rectangular parallelepiped shape. The electric cooker 100 includes a rectangular parallelepiped casing 110, and an openable / closable door 200 is provided on the front surface of the casing 110 facing the user. A grip portion 210 such as a door handle is provided at the top of the opening / closing door 200.

Above the open / close door 200 is an operation unit 300 in which a control panel 310 having various operation buttons and a liquid crystal panel is disposed. The operation unit 300 is fixed to the housing 110. The operation unit 300 has a triangular prism shape whose bottom surface is a right triangle, and one side surface including one side of the two sides forming the right angle of the bottom surface is fixed to the housing 110 and includes the other side. The side faces the upper surface of the opening / closing door 200. Further, a control panel 310 is disposed on the side surface including the hypotenuse on the bottom surface of the operation unit 300, and the user operates the electric cooking device 100 using the control panel 310.
JP-A-2005-3316

However , in the built-in type electric cooking device, the cooking object is heated and cooked in the cooking chamber when cooking the cooking object with the opening / closing door 200 closed and when the drawer 200 starts to be drawn after cooking. hot air containing water vapor generated by the, along the cooking chamber to the upper surface of the door 200 to flow out to the cooker outside, hot air containing effluent water vapor is atomized been cooled by the outside air, the upper surface of the door 200 and There is a problem in that dew condensation is likely to occur because it passes (rubs) so as to rub the upper surface of the portion in the vicinity . Specifically, as indicated by an arrow in FIG. 6, the space between the lower surface of the operation unit 300 and the upper surface of the opening / closing door 200 is a passage for hot air including water vapor leaking from the cooking chamber . condensation is likely to occur at the site of the opening and closing door 200 top and its vicinity shown in.

The present invention has been made in view of such circumstances, the exhaust gas heated to a high temperature by cooling the inside of the apparatus, and blown toward a site where dew condensation is likely to occur, condensation hot air is likely to occur site An object of the present invention is to provide an electric cooker capable of preventing dew condensation by preventing dust from being blown off and rubbed as much as possible .

The electric cooker according to the present invention has a drawer-type cooking chamber in which the outlet for the cooking object is opened upward and can be pulled out in the horizontal direction, and is integrated with the cooking chamber, and is provided in the pulling-out direction of the cooking chamber. An openable door, a heating element that generates heat during cooking for heating the object to be cooked, a heating chamber that is separated from the cooking chamber , a blower that cools the heating chamber by blowing air, and the cooking chamber A built-in type electric cooker that includes an opening / closing door, a heat generating chamber, and a blower section, and a housing having an opening that opens the cooking chamber and the opening / closing door. When the gas in the cooking chamber flows out of the inlet / outlet through a gap formed between the upper surface of the door and the casing, the portion on the door that contacts the flowing out gas And air-cooling the heat generating chamber by blowing air from the blowing section. An exhaust port for discharging to the front tip of the exhaust from the back side end on the door post, characterized in that opened to the rear side.

In the electric cooker according to the present invention, the casing is disposed above the open / close door, and is provided with an operation unit that receives an operation, and an operation unit that is provided inside the operation unit, and that is configured to exhaust the air after the heating chamber is air-cooled. The operation portion is disposed at a position where a lower surface forms a gap with the upper surface of the open / close door when the open / close door is closed and when opening of the open / close door is started. The exhaust port is formed on the lower surface of the operation unit.

In the electric cooker according to the present invention, the open / close door has a grip portion required for pulling out the open / close door at an upper portion, and a portion on the open / close door that comes into contact with the outflowing gas is an upper surface of the grip portion. It is characterized by being.

  In the present invention, dew condensation is generated by blowing exhaust gas, which has become high temperature by cooling the inside of the apparatus, to a portion such as an upper surface of a drawer type opening / closing door that comes into contact with the water vapor when the water vapor flows out of the cooking chamber. It is possible to prevent.

  An electric cooker according to the present invention includes a drawer-type opening / closing door integrated with a cooking chamber, and an operation portion that is positioned above the opening / closing door and receives an operation, and a ventilation path is provided inside the operation portion. Is provided, and the exhaust after cooling the inside is blown into the operation portion, and is blown to the upper surface of the open / close door from the exhaust port opened on the lower surface of the operation portion.

  With this configuration, in the present invention, when the steam in the cooking chamber flows out, high temperature exhaust is blown to the upper surface of the open / close door that comes into contact with the steam, so that it is possible to prevent dew condensation and the like. Play. In particular, when the electric cooker of the present invention is applied to a built-in type microwave oven, exhaust is discharged forward, so that it is possible to cope with restrictions on design and restrictions on installation locations, etc. Excellent effect.

  Hereinafter, the present invention will be described in detail with reference to the drawings illustrating embodiments thereof.

FIG. 1 is a perspective view showing an example of the appearance of the electric cooking device of the present invention. In FIG. 1, reference numeral 1 denotes an electric cooker such as a rectangular parallelepiped microwave oven used as a built-in kitchen, and the electric cooker 1 includes a rectangular parallelepiped casing 10, and the front surface of the casing 10 facing the user. Is provided with an openable / closable door 20 integrated with a cooking chamber for storing an object to be cooked such as a dish, and a grip portion 21 such as a door handle is provided on the upper portion of the open / close door 20. Yes. Moreover, the upper part of the cooking chamber is opened as an entrance for the cooking object. Then, the user grasps the grip portion 21 and pulls out the opening / closing door 20, thereby opening the cooking chamber integrated with the opening / closing door 20 and accommodating a cooking object such as cooking in the cooking chamber. .

Above the open / close door 20, there is an operation unit 30 that is an angle in which a control panel 31 having various operation buttons and a liquid crystal panel is disposed. The operation unit 30 is fixed to the housing 10. The operation unit 30 has a triangular prism shape whose bottom surface is a right triangle, and one side surface including one side out of two sides constituting the right angle of the bottom surface is fixed to the housing 10 and includes the other side. The side faces the upper surface of the door 20. A control panel 31 is disposed on the side surface including the hypotenuse on the bottom surface of the operation unit 30, and the user operates the electric cooking device 1 using the control panel 31. As apparent from FIG. 1, when the opening / closing door 20 is closed, a gap is formed between the upper surface of the opening / closing door 20 and the lower surface of the operation unit 30.

  FIG. 2 is a cross-sectional view schematically showing an example of the air flow in the rear part of the electric cooker 1 according to the present invention, and shows the inside of the electric cooker 1 from a viewpoint from the rear. A magnetron 11 is disposed in the upper part of the electric cooker 1 as a microwave generator that heats the cooking object accommodated in the cooking chamber by microwaves, and the magnetron 11 is disposed in the lower part of the electric cooker 1. A high-voltage transformer 12 is disposed as a high voltage generator for 11. The internal electromagnetic components such as the magnetron 11 and the high-voltage transformer 12 become hot due to electromagnetic action during operation.

  The electric cooker 1 is provided with a cooling fan 13 for air-cooling electromagnetic parts such as a magnetron 11 and a high-voltage transformer 12 that have become hot, and when the cooling fan 13 is operated, Intake is performed from an intake section provided on one side of the lower portion as indicated by an arrow F1, and air is blown to the magnetron 11 and the high-voltage transformer 12 as indicated by arrows F2 and F3.

  Air F4 and F5 heated to a high temperature by cooling the magnetron 11 and the high-voltage transformer 12 are discharged to the upper exhaust port 14a opened at the upper part in the electric cooker 1 and the lower exhaust port 14b opened at the other side of the lower part. Then, the air is blown to the front portion of the electric cooker 1 as the exhaust F <b> 6 through the ventilation path 15 provided in the upper part of the electric cooker 1.

  Drawing 3 is a mimetic diagram showing an example of the flow of the air in the upper part and front part of electric cooker 1 of the present invention, and shows electric cooker 1 from the perspective from the slanting upper part. The exhaust F7 blown to the front part of the electric cooker 1 through the ventilation path 15 provided in the upper part in the electric cooker 1 enters the inside of the operation unit 30 from the blower opening 32 opened in the operation unit 30. Then, the air is discharged from an exhaust port 33 provided on the lower surface of the operation unit 30 to the outside.

  The exhaust port 33 of the operation unit 30 is opened at a position facing the grip portion 21 of the open / close door 20, and the exhaust F7 exhausted from the exhaust port 33 is generated between the operation unit 30 and the grip portion 21 of the open / close door 20. It is discharged to the front of the electric cooker 1 through the space.

Since the upper part of the cooking chamber is opened as an inlet / outlet for the cooking object, the water vapor in the cooking chamber flows out as indicated by the hatched arrow V in FIG. As is clear from FIG. 3, the water vapor flowing out as shown by the arrow V is obtained when the upper surface of the grip portion 21 provided on the open / close door 20 and the lower surface of the operation portion 30 when the open / close door 20 is opened and closed. A gap formed between the two is defined as a flow path. As indicated by the hatched arrow V, the gripping portion 21 is a portion that comes into contact with water vapor when the water vapor flows out of the cooking chamber, but does not cause condensation because high-temperature exhaust gas is discharged from the exhaust port 33. And since it exhausts ahead of the electric cooker 1, it is possible to apply easily to the built-in type microwave oven with a big restriction | limiting of a design surface and an installation place.

  FIG. 4 is a perspective view showing an example of the appearance of the operation unit 30 of the electric cooking device 1 of the present invention. As shown in FIG. 4, the operation unit 30 has a triangular prism shape whose bottom surface is a right triangle, and a control panel 31 is disposed on a side surface including the hypotenuse of the bottom surface.

  FIG. 5 is a perspective view showing an example of the operation unit 30 of the electric cooking device 1 of the present invention. FIG. 5 schematically shows the ventilation path inside the operation unit 30 from the same viewpoint as in FIG. 4, and a rectangular air blowing port 32 is provided on the surface fixed to the housing 10, and opens and closes. A rectangular exhaust port 33 is formed on the surface of the door 20 facing the grip portion 21. As shown in FIG. 5, the inside of the operation unit 30 is a ventilation path, and the exhaust F8 blown from the housing 10 enters the operation unit 30 through the intake port 32 as indicated by an arrow, and the exhaust port 33. Discharged from.

  In the embodiment described above, the exhaust air is blown to the grip portion. However, the present invention is not limited to this, and the air may be blown to another portion where condensation may occur.

  Moreover, although the form applied to the built-in type microwave oven was shown in the said embodiment, microwave ovens other than a built-in type may be sufficient, and also electric cookers other than a microwave oven may be sufficient.

It is a perspective view which shows an example of the external appearance of the electric cooker of this invention. It is sectional drawing which showed typically an example of the flow of the air of the rear part in the electric cooker of this invention. It is a schematic diagram which shows an example of the flow of the air of the upper part in an electric cooker of this invention, and a front part. It is a perspective view which shows an example of the external appearance of the operation part of the electric cooker of this invention. It is a perspective view which shows an example of the operation part of the electric cooker of this invention. It is a perspective view which shows the external appearance of the electric cooker which has a drawer-type opening / closing door. It is a perspective view which shows the external appearance of the electric cooker which has a drawer-type opening / closing door.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Electric cooker 10 Housing | casing 20 Opening / closing door 21 Grip part 30 Operation part 31 Control panel 32 Intake port 33 Exhaust port

Claims (3)

A drawer-type cooking chamber that opens and closes the cooking object and can be pulled out horizontally;
An open / close door that is integrated with the cooking chamber and is provided in the pulling-out direction of the cooking chamber;
Containing a heating element that generates heat during cooking for heating the object to be cooked, and a heating chamber separated from the cooking chamber;
An air blowing section for air-cooling the heat generating chamber by air blowing ;
In a built-in type electric cooker including the cooking chamber, the opening / closing door, the heat generating chamber, and the air blowing unit, and a casing having an opening through which the cooking chamber and the opening / closing door are opened.
Gas that flows out when the gas in the cooking chamber flows out of the inlet / outlet through the gap formed between the upper surface of the door and the casing when the door is closed and when the drawer starts. An exhaust port for exhausting the exhaust after air-cooling the heat generating chamber by blowing air from the blower from the back end to the front end on the open / close door toward the part on the open / close door in contact with the open side electric cooker, characterized in that opened in. The housing is
An operation unit disposed above the open / close door and receiving an operation;
A ventilation path provided inside the operation section and serving as an exhaust flow path after the heat generating chamber is air-cooled,
The operation unit is disposed at a position where a lower surface forms a gap with the upper surface of the open / close door when the open / close door is closed and opened.
The electric cooker according to claim 1, wherein the exhaust port is opened on a lower surface of the operation unit. The opening / closing door has a grip portion required for pulling out the opening / closing door at an upper portion,
The electric cooker according to claim 1 or 2, wherein the part on the open / close door that comes into contact with the outflowing gas is an upper surface of the grip portion.

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