CN117425797A

CN117425797A - Heating cooker

Info

Publication number: CN117425797A
Application number: CN202280040782.4A
Authority: CN
Inventors: 高山正宏; 明石孝之; 水田功
Original assignee: Panasonic Intellectual Property Management Co Ltd
Current assignee: Panasonic Intellectual Property Management Co Ltd
Priority date: 2021-08-31
Filing date: 2022-08-03
Publication date: 2024-01-19
Also published as: TW202319691A; WO2023032570A1; JP2023034383A; EP4397909A1

Abstract

The heating cooker of the present disclosure includes a main body, a door, and a water receiving plate. The main body has: a heating chamber having an opening; and a front frame provided around the opening of the heating chamber. A door is mounted to the main body and covers the opening of the heating chamber. The water receiving plate is arranged below the heating chamber and behind the front frame and receives water from the front corner of the bottom surface of the heating chamber. The water receiving plate has: a first drain hole for guiding the water from the front side to the rear side of the water receiving plate; and a guide portion for guiding the water to the first drain hole.

Description

Heating cooker

Technical Field

The present disclosure relates to a heating cooker.

Background

Conventionally, there are known heating cookers of various structures which solve the problem of dew condensation water dripping to the outside, which occurs when food is heated and cooked. For example, a conventional heating cooker includes: a water receiving part for receiving water dripping from a gap between an opening of the heating chamber of the main body and the door; and a tray or the like that receives and stores water dropped from the water receiving portion (for example, refer to patent document 1 and patent document 2).

Prior art literature

Patent literature

Patent document 1: japanese patent laid-open No. 2009-28785

Patent document 2: japanese patent laid-open publication No. 2019-148399

Disclosure of Invention

However, the conventional heating cooker has room for improvement in efficiently collecting water generated in the heating chamber.

Accordingly, an object of the present disclosure is to provide a heating cooker capable of efficiently recovering water generated in a heating chamber.

One embodiment of the present disclosure provides a heating cooker having a main body, a door, and a water receiving plate. The main body has: a heating chamber having an opening; and a front frame provided around the opening of the heating chamber. A door is mounted to the main body and covers the opening of the heating chamber. The water receiving plate is arranged below the heating chamber and behind the front frame and receives water from the front corner of the bottom surface of the heating chamber. The water receiving plate has: a first drain hole for guiding the water from the front surface side to the rear surface side of the water receiving plate; and a guide portion for guiding the water to the first drain hole.

According to the heating cooker of the present disclosure, water generated in the heating chamber can be efficiently recovered.

Drawings

Fig. 1 is a front perspective view of a heating cooker of an embodiment of the present disclosure.

Fig. 2 is a front perspective view of the heating cooker in a state where the door is opened in the embodiment.

Fig. 3 is a front view of the heating cooker in a state where the door and the operation display panel are removed according to the embodiment.

Fig. 4A is a perspective view showing a front frame of the main body in a state where the door is detached.

Fig. 4B is an enlarged view of a portion of fig. 4A.

Fig. 5A is a partial front view of a state in which a door of the heating cooker of the embodiment is detached.

Fig. 5B is a diagram showing a state in which the front frame is seen through in order to visualize the rear of the lower portion of the front frame in fig. 5A.

Fig. 6A is a front view of a water receiving plate of the heating cooker of the embodiment.

Fig. 6B is a rear view of the water receiving plate of the heating cooker of the embodiment.

Fig. 7 is a perspective view showing a lower portion of the main body of the heating cooker according to the embodiment, as viewed from the diagonally rear side.

Fig. 8 is a perspective view showing a lower portion of the main body of the heating cooker according to the embodiment from the front side.

Detailed Description

(insight underlying the present disclosure)

The inventors of the present application have made intensive studies for efficiently recovering water in a heating chamber, and as a result, have obtained the following findings.

In a conventional heating cooker, a water receiving portion is provided below a joint portion between a front frame around an opening of a heating chamber and a rear surface of a door. A water receiving tray is disposed below the water receiving portion. The water receiving portion is fixed to a bottom surface of the front frame extending rearward from a lower edge of the front frame.

In a conventional heating cooker, a plurality of steel plates are bonded to each other to form a heating chamber and a front frame of the heating chamber. In this structure, when a gap is formed at the front corner of the bottom surface of the heating chamber, water generated in the heating chamber may leak downward from the gap. In order to prevent this leakage, in a conventional heating cooker, a gap at a front corner of a bottom surface of a heating chamber is sealed with silica fume from a back side of a steel plate.

The inventors of the present application found the following structure: the water generated in the heating chamber from the gap can be efficiently recovered, and the gap at the front corner of the bottom surface of the heating chamber is not sealed. According to this structure, water flowing out from between the door and the front frame can be reduced. As a result, when the user opens the door, the amount of water adhering to the front frame can be reduced.

Based on this new knowledge, the inventors of the present application completed the following invention.

The heating cooker of the first aspect of the present disclosure includes a main body, a door, and a water receiving plate. The main body has: a heating chamber having an opening; and a front frame provided around the opening of the heating chamber. A door is mounted to the main body and covers the opening of the heating chamber. The water receiving part is arranged below the heating chamber and behind the front frame and receives water from the front corner part of the bottom surface of the heating chamber. The water receiving plate has a first drain hole for guiding the water from the front surface side to the rear surface side of the water receiving plate, and a guide portion for guiding the water to the first drain hole.

According to the first aspect, water generated in the heating chamber can be efficiently recovered. Therefore, when the user opens the door, the amount of water adhering to the front surface of the front frame and the back surface of the door can be reduced. Thus, the effort for the user to clean the front surface of the front frame and the back surface of the door is reduced.

In the heating cooker according to the second aspect of the present disclosure, according to the first aspect, the through hole is provided in the front corner. According to the second aspect, the amount of water flowing down from the front corner can be increased, and thus the amount of water flowing down from the gap between the door and the front frame can be reduced.

In a heating cooker according to a third aspect of the present disclosure, according to the first or second aspect, the water receiving plate has a water receiving plate body disposed rearward of the front frame. The first water drain hole is arranged on the water receiving plate main body. The guide portion is disposed on the front surface of the water receiving plate body and is inclined downward from the end of the water receiving plate body toward the first drain hole.

According to the third aspect, water flowing out from the front corner of the bottom surface of the heating chamber can be guided to the first drain hole.

In the heating cooker according to the fourth aspect of the present disclosure, according to any one of the first to third aspects, the water receiving plate has a water receiving portion disposed below the first drain hole and behind the water receiving plate. The water receiving portion is a portion of the water receiving plate integrally formed with the water receiving plate and protruding rearward.

According to the fourth aspect, the water flowing from the water receiving plate to the rear surface of the water receiving plate via the first drain hole can be temporarily received by the water receiving portion, and the water can be guided to another place by the water receiving portion.

In a fifth aspect of the present disclosure, according to any one of the first to fourth aspects, the guide portion is formed of a member having elasticity and water resistance.

According to the fifth aspect, water flowing out from the front corner of the bottom surface of the heating chamber can be prevented from leaking out from between the front frame and the water receiving plate. As a result, water flowing out from the front corner of the bottom surface of the heating chamber can be guided from the upper surface of the guide portion to the first drain hole.

In a sixth aspect of the present disclosure, according to the fifth aspect, the heating cooker further includes a bottom plate that is disposed below the heating chamber so as to receive water from the water receiving portion, and has a drain hole.

According to the sixth aspect, the water flowing from the water receiving plate to the rear surface of the water receiving plate via the first drain hole can be temporarily received by the water receiving portion, and the water can be guided to the bottom plate by the water receiving portion. The water can be further guided to other places by the second drain holes provided in the bottom plate.

By the water receiving portion integrally formed with the water receiving plate, it is not necessary to mount the water receiving portion as another member to the water receiving plate. This can suppress the manufacturing cost.

In the heating cooker according to the seventh aspect of the present disclosure, according to the sixth aspect, the bottom plate has a groove formed below the end of the water receiving portion, and the groove has the second drain hole.

According to the seventh aspect, after the water is temporarily stored in the groove of the bottom plate, the water can be guided from the second drain hole to another place.

In the eighth aspect of the present disclosure, according to the sixth or seventh aspect, the cooking device further includes a water receiving tray disposed below the bottom plate, for receiving water from the second drain hole.

According to the seventh aspect, water flowing out of the second drain hole of the bottom plate can be finally recovered to the water receiving tray. When the water receiving tray is detachably attached to the main body, the user can easily discard the water stored in the water receiving tray.

Next, a heating cooker 1 according to an embodiment of the present disclosure will be described in detail with reference to the drawings. The X-axis, Y-axis, and Z-axis shown in the drawings below represent the lateral direction (left-right direction), depth direction (front-rear direction), and height direction (vertical direction) of the heating cooker 1, respectively.

In these drawings, the front and rear surfaces of the heating cooker 1 correspond to the front and rear surfaces of the heating cooker 1, respectively. That is, the front of the heating cooker 1 is the negative Y-axis direction, and the rear of the heating cooker 1 is the positive Y-axis direction.

In these drawings, the left and right sides of the heating cooker 1 are viewed from the front, corresponding to the left and right sides of the heating cooker 1, respectively. That is, the right side of the heating cooker 1 is the positive direction of the X axis, and the left side of the heating cooker 1 is the negative direction of the X axis.

Fig. 1 is a front perspective view of a heating cooker 1. Fig. 2 is a front perspective view of the heating cooker 1 in a state where the door 9 is opened.

As shown in fig. 1 and 2, the heating cooker 1 includes: a main body 3; a water receiving tray 7 for receiving water generated in the main body 3; and a door 9 mounted to the main body 3.

The main body 3 has a heating chamber 31, a front frame 33, and a bottom plate 6 (see fig. 7 and 8). The heating chamber 31 is provided inside the main body 3, and is configured to house objects to be heated such as food and beverage. The front frame 33 is provided on the front surface of the main body 3. The bottom plate 6 is disposed below the heating chamber 31. The bottom plate 6 will be described later.

A machine room (not shown) is provided in the inner space of the main body 3 on the right side of the heating chamber 31. A magnetron for generating microwaves, a driving power supply for supplying power to the magnetron, a control unit for controlling each element of the heating cooker 1, and the like are disposed in the machine room.

A radiation antenna (not shown) for radiating microwaves is disposed below the heating chamber 31. The object to be heated stored in the heating chamber 31 is induction-heated by microwaves radiated from the radiation antenna.

The machine chamber is also provided with a steam generating unit. A side wall of the heating chamber 31 on the machine chamber side is provided with a blowout port for supplying steam generated by the steam generating unit into the heating chamber 31. An opening 31a is provided in the front surface of the heating chamber 31. The front frame 33 is provided around the opening 31a of the heating chamber 31. The opening 31a and the front frame 33 are openably and closably covered by the door 9.

The water receiving tray 7 is detachably attached to the main body 3 and disposed below the front frame 33 (in the negative direction of the Z axis). The water receiving tray 7 finally receives water flowing out between the front frame 33 and the door 9 and water flowing out through a front corner hole 33a1 (see fig. 4B) described later.

The door 9 openably and closably covers the opening 31a of the heating chamber 31. The door 9 is pivotally supported by a portion of the front frame 33 below the opening 31a so as to be openable and closable about a horizontal pivot axis. When the door 9 is opened by pulling the handle 91 attached to the door 9, the opening 31a of the heating chamber 31 is opened. When the door 9 is closed so that the door 9 is in an upright state, the opening 31a of the heating chamber 31 is closed.

The main body 3 has an operation display panel 90 disposed on the right side of the door 9. The operation display panel 90 includes a display portion 93 and an operation portion 95. The display unit 93 is, for example, a liquid crystal display for displaying a menu screen or the like. The operation unit 95 includes buttons, dials, and the like. The user can give various cooking instructions to the heating cooker 1 using the operation unit 95.

Shelves for providing the bakeware and the iron pan at any of a plurality of heights are provided on both side walls 31B (see fig. 4A and 4B) of the heating chamber 31, respectively. In general, the object to be heated is placed on the placement table 31d (see fig. 4A and 4B) of the heating chamber 31 to cook, but according to the cooking method, the object to be heated may be placed on a baking pan or an iron pan to cook.

Fig. 3 is a front view of the heating cooker 1 in a state where the door 9 and the operation display panel 90 are removed. Fig. 4A and 4B are perspective views showing the front frame 33 of the main body 3 and an enlarged view of a part thereof, respectively, in a state where the door 9 and the like are removed.

As shown in fig. 3, 4A and 4B, the heating chamber 31 has a side wall 31B, a bottom surface 31c and a top surface (not shown). The side wall 31b and the bottom surface 31c are made of a steel sheet such as a galvanized steel sheet. A mounting table 31d for mounting the object to be heated is formed on the bottom surface 31 c.

As shown in fig. 4A and 4B, the front frame 33 of the main body 3 is formed of one sheet of steel plate, and has a front frame lower portion 33B, a front frame side portion 33c, and a front frame upper portion (not shown).

In the present embodiment, the front frame lower portion 33b, the front frame side portion 33c, the side wall 31b of the heating chamber 31, and the bottom surface 31c of the heating chamber 31 are in contact with each other at two front corner portions 33a of the bottom surface of the heating chamber 31. That is, the front corner 33a corresponds to a joint of the respective steel plates of the front frame lower portion 33b, the front frame side portion 33c, the side wall 31b, and the bottom surface 31 c. The front corner hole 33a1 is a through hole formed in the front corner 33 a.

When heating and cooking an object to be heated in the heating chamber 31, steam is generated from the object to be heated and the steam generating means. The steam fills the heating chamber 31, and dew condensation occurs on the side wall 31b and the top surface.

Water droplets generated by condensation reach the vicinity of the front frame lower portion 33b from the side wall 31b, the top surface, and the back surface of the door 9 via the bottom surface 31 c. The water flows down from the gap between the door 9 and the front frame lower portion 33b, and is collected in the water receiving tray 7.

As shown by arrow P1 in fig. 4A, the water receiving tray 7 protrudes forward (negative direction of the Y axis) from the front frame 33 by at least the thickness of the door 9. With this structure, water flowing downward from the gap between the door 9 and the front frame lower portion 33b can be recovered to the water receiving tray 7.

When the front corner 33a has a gap, water reaching the vicinity of the front frame lower portion 33b from the side wall 31b, the bottom surface 31c, or the top surface also flows down from the front corner 33 a. If the amount of water flowing from the front corner portion 33a is increased, the water flowing from the gap between the door 9 and the front frame lower portion 33b can be reduced.

Conventionally, in order to prevent gaps from being formed in the front corner 33a, silica fume is applied to the front corner 33a from the inside of the heating chamber 31, and the front corner 33a is sealed. In the heating cooker 1 of the present embodiment, the front corner 33a is provided with the front corner hole 33a1, and water reaching the vicinity of the front corner 33a is discharged from the front corner hole 33a1.

Fig. 5A is a partial front view of the heating cooker 1 in a state where the door is detached. Fig. 5B is a view showing a state in which the front frame 33 is seen through to visualize the rear of the front frame lower portion 33B in fig. 5A. Fig. 6A and 6B are front and rear views, respectively, of the water receiving plate 5 of the heating cooker 1.

As shown in fig. 5B, the water receiving plate 5 is disposed below the heating chamber 31 and behind the front frame lower portion 33B, and is configured to receive water flowing out from the front corner hole 33a1.

As shown in fig. 6A and 6B, the water receiving plate 5 has a water receiving plate body 5d and a guide portion 5a. The water receiving plate body 5d is disposed rearward of the front frame lower portion 33 b. The guide portion 5a is disposed on the front surface of the water receiving plate body 5d, and has a dam-like shape protruding forward from the water receiving plate body 5 d.

The guide portion 5a has a lowermost portion 5a1, and the lowermost portion 5a1 is provided near the center of the water receiving plate 5 in the lateral direction, more precisely, slightly to the left from the center of the water receiving plate 5. The guide portion 5a has two inclined surfaces 5a2, and the two inclined surfaces 5a2 extend obliquely downward from a corresponding one of the two end portions of the water receiving plate 5.

The water receiving plate body 5d of the water receiving portion 5c has a drain hole 5b, and the drain hole 5b is provided in the vicinity of the lowermost portion 5a1 of the guide portion 5a, more precisely, above the lowermost portion 5a1 of the guide portion 5a. In the present embodiment, the drain hole 5b corresponds to the first drain hole.

The guide portion 5a is attached to the rear surface of the front frame lower portion 33b by screw fastening or welding so that the front end portion thereof is pressed against the rear surface of the front frame lower portion 33 b. As a result, the guide portion 5a seals the gap between the water receiving plate 5 and the front frame lower portion 33 b. Therefore, the guide portion 5a is preferably made of a member having elasticity and water resistance such as rubber.

With this structure, water flowing down from the front corner hole 33a1 flows on the upper surface of the inclined surface 5a2 toward the lowermost portion 5a1, and is guided from the front surface side to the rear surface side of the water receiving plate 5 through the drain hole 5B (see arrow P2 in fig. 5B and 6A).

In the present embodiment, two front corner holes 33a1 are respectively arranged in a corresponding one of the left and right front corners 33a of the heating chamber 31. However, only one front corner hole 33a1 may be provided in either one of the left and right front corners 33 a.

For example, in fig. 6A, when the front corner hole 33a1 is provided only on the right side of the heating chamber 31, the guide portion 5a may have the lowermost portion 5a1, the right inclined surface 5a2, and the shorter left inclined surface 5a 2. The shorter left inclined surface 5a2 is an inclined surface that is in contact with the lowermost portion 5a1 but is not in contact with the left front corner 33a of the bottom surface 31c of the heating chamber 31.

Further, as shown in fig. 6B, the water receiving plate 5 has a water receiving portion 5c, and the water receiving portion 5c is provided below the drain hole 5B and below the water receiving plate body 5d of the water receiving plate 5. The water receiving portion 5c is a member having a substantially inverted triangle shape formed by cutting a part of the water receiving plate body 5d rearward or obliquely rearward. That is, the water receiving portion 5c is a portion of the water receiving plate body 5d protruding rearward integrally formed with the water receiving plate body 5 d.

In the present embodiment, cutting a part of the water receiving plate body 5d means forming two cuts in the lower edge of the water receiving plate body 5d, and bending a part of the water receiving plate body 5d sandwiched by the two cuts. A cutout may be formed in the lower edge of the water receiving plate body 5d, and a part of the water receiving plate body 5d on either the left or right of the cutout may be bent.

The water receiving portion 5c has two side walls 5c1 formed by bending the edge thereof upward. Since the water receiving portion 5c has a substantially inverted triangle shape, the two side walls 5c1 are closest at the end 5c2 of the water receiving portion 5 c.

By this shape, the water receiving portion 5c guides the water flowing on the upper surface thereof to the tip 5c2. When the water flowing out of the drain hole 5b is caught by the water receiving portion 5c, the water is collected by the two side walls 5c1 to the end 5c2, and flows down from the end 5c2.

That is, the water receiving plate 5 functions as a water guide portion that guides water flowing out from the front corner hole 33a1 to a bottom plate 6 (described later) of the main body 3 via the guide portion 5a, the drain hole 5b, and the water receiving portion 5 c.

Fig. 7 is a perspective view showing the front frame 33 and the bottom plate 6 of the main body 3 of the heating cooker 1 when viewed obliquely from the rear. As shown in fig. 7, the bottom plate 6 of the main body 3 has a groove 6a provided below the end 5c2 of the water receiving portion 5c for receiving water flowing out from the end 5c2. The water received by the tank 6a is discharged from the drain hole 6b provided in the tank 6a (see arrow P3 in fig. 7). In the present embodiment, the drain hole 6b corresponds to a second drain hole.

Fig. 8 is a perspective view showing a case where the lower part of the main body 3 of the cooking device 1 is heated from the front Fang Angshi. As shown in fig. 8, the water receiving tray 7 has a water storage portion 7a provided below the drain hole 6 b. The water generated in the heating chamber 31 is finally recovered to the water storage portion 7a through the drain hole 6 b.

The water storage unit 7a may be configured to: in addition to the water discharged from the drain hole 6b, water flowing out from the gap between the door 9 and the front frame lower portion 33b is also recovered. In addition to the water receiving tray 7, another tray for recovering the water may be provided below the heating chamber 31.

Industrial applicability

According to the present disclosure, water generated in the heating chamber 31 can be efficiently collected. The present disclosure can be applied to a microwave oven or the like with a steam generator.

Description of the reference numerals

1: a heating cooker; 3: a main body; 31: a heating chamber; 31a: an opening; 31b: a sidewall; 31c: a bottom surface; 31d: a mounting table; 33: a front frame; 33a: a front corner; 33a1: a front corner hole; 33b: the lower part of the front frame; 33c: a front frame side portion; 5: a water receiving plate; 5a: a guide section; 5a1: a lowermost portion; 5a2: an inclined plane; 5b: a drain hole (first drain hole); 5c: a water receiving part; 5c1: a sidewall; 5c2: a terminal end; 5d: a water receiving plate body; 6: a bottom plate; 6a: a groove; 6b: a drain hole (second drain hole); 7: a water receiving tray; 7a: a water storage part; 9: a door; 90: operating the display panel; 91: a handle; 93: a display unit; 95: an operation section.

Claims

1. A heating cooker, wherein the heating cooker comprises:

a main body having a heating chamber and a front frame, the heating chamber having an opening, the front frame being disposed around the opening of the heating chamber;

a door mounted to the main body and covering the opening; and

a water receiving plate disposed below the heating chamber and behind the front frame, configured to receive water from a front corner of a bottom surface of the heating chamber,

the water receiving plate is provided with: a first drain hole configured to guide the water from a front surface side to a rear surface side of the water receiving plate; and a guide portion configured to guide the water toward the first drain hole.

2. The heating cooker as claimed in claim 1, wherein,

the front corner is provided with a through hole.

3. The heating cooker according to claim 1 or 2, wherein,

the water receiving plate is provided with a water receiving plate main body arranged at the rear of the front frame,

the first drain hole is arranged on the water receiving plate main body,

the guide portion is disposed on the front surface of the water receiving plate body and is inclined downward from the end portion of the water receiving plate toward the first drain hole.

4. The heating cooker according to any one of claims 1 to 3, wherein,

the water receiving plate is provided with a water receiving part which is arranged below the first water discharging hole and is arranged at the rear of the water receiving plate,

the water receiving portion is a portion of the water receiving plate integrally formed with the water receiving plate and protruding rearward.

5. The heating cooker according to any one of claims 1 to 4, wherein,

the guide portion is formed of a member having elasticity and waterproofness.

6. The heating cooker as claimed in claim 5, wherein,

the heating cooker further includes a bottom plate disposed below the heating chamber so as to receive water from the water receiving portion, the bottom plate having a second drain hole.

7. The heating cooker as claimed in claim 6, wherein,

the bottom plate has a groove formed below the end of the water receiving portion, the groove having the second drain hole.

8. The heating cooker according to claim 6 or 7, wherein,

the heating cooker further includes a water receiving tray disposed below the bottom plate and configured to receive water from the second water drain hole.