JP2014016040A - Heating cooker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a heating cooker which presents an external appearance blocking a view to a space for storing a control board and a magnetron.SOLUTION: A heating cooker 1 includes: a heating chamber 2b allowing a heated object O to be taken in or out through an opening 2a; a door 3 which opens and closes the opening 2a; a tray 7 which supports the heating chamber 2b forming a space 26 therebetween and includes vent holes 45 communicating with the space 26; a heating part which is disposed in the space 26 and heats the heated object O; and intrusion prevention walls 47 which are disposed at the exterior of the tray 7 so as to be spaced away from each other and face the vent holes 45.

Description

  Embodiments according to the present invention relate to a cooking device.

  Air is introduced to cool control boards and magnetrons in heating cookers, especially microwave ovens that have the functions of both microwave ovens and ovens, and so-called water microwave ovens that can cook heated objects with superheated steam. It has a vent.

JP 2004-347250 A

  By the way, in recent years, in a cooking device such as a microwave oven having both functions of a microwave oven and an oven, and a so-called water microwave oven capable of cooking an object to be heated with superheated steam, space saving of the installation place has been promoted. . For example, the installation space can be saved by arranging the heating cooker adjacent to or close to the wall surface of the living room.

  As space for installation is reduced, it is necessary to improve the efficiency of cooling of heating elements such as control boards and magnetrons. In other words, the importance of vents increases.

  However, since the conventional cooking device can see the space for storing the control board, magnetron, etc. from the vent, the appearance of the cooking device is impaired, or the control board is caused by foreign matter entering the space from the vent There is a risk of damage to magnets and magnetrons.

  In view of this, the present invention proposes a heating cooker that has an appearance that hinders the view of a space for housing a control board, a magnetron, and the like.

  In order to solve the above-described problems, a heating cooker according to an embodiment of the present invention includes a heating chamber in which an object to be heated can be taken in and out through an opening, a door that opens and closes the opening, and a heating unit accommodation chamber. A tray having a vent hole that leads to the heating unit housing chamber, a heating unit that is disposed in the heating unit housing chamber and heats the object to be heated, and is disposed outside the tray with a gap therebetween and the vent. An intrusion prevention wall facing the mouth.

The perspective view which shows the heating cooker which concerns on embodiment of this invention from diagonally right front upper. The perspective view which shows the heating cooker which concerns on embodiment of this invention from the front side. The longitudinal cross-sectional view which shows the heating cooker which concerns on embodiment of this invention. The cross-sectional view which shows the heating cooker which concerns on embodiment of this invention. The perspective view which shows the tray of the heating cooker which concerns on embodiment of this invention from the diagonally forward right lower part. The perspective view which shows the cover member of the cooking-by-heating machine which concerns on embodiment of this invention from diagonally right front upper. Sectional drawing which shows the penetration | invasion prevention wall of the heating cooker which concerns on embodiment of this invention.

  Hereinafter, an embodiment of a heating cooker according to the present invention will be described with reference to FIGS. 1 to 7.

  FIG. 1 is a perspective view showing the cooking device according to the embodiment of the present invention from the upper right front side.

  FIG. 2 is a perspective view showing the cooking device according to the embodiment of the present invention from the front side.

  1 shows the cooking device 1 with the door 3 closed, and FIG. 2 shows the cooking device 1 with the door 3 open.

  The heating cooker 1 according to the present embodiment is a so-called water microwave oven, and has both functions of a microwave oven and an oven. As shown in FIG. 1 and FIG. 2, the heating cooker 1 opens and closes a box-shaped cooking chamber 2 that partitions a heating chamber 2 b through which an object to be heated O can be taken in and out through an opening 2 a on the front surface, and an opening 2 a of the cooking chamber 2. And a door 3 to be provided.

  The cooking chamber 2 includes a box-shaped inner box 5 that partitions the heating chamber 2 b, a box-shaped outer box 6 that surrounds the inner box 5, and a tray 7 that supports the inner box 5 and the outer box 6. Is provided.

  The inner box 5 includes a back wall 5a that partitions the heating chamber 2b, a right side wall 5b, a left side wall 5c, a bottom wall 5d, and a top wall 5e. The back wall 5a, the right side wall 5b, the left side wall 5c, the bottom wall 5d and the top wall 5e are metal plate materials, for example, steel plates, which reflect microwaves and confine them in the heating chamber 2b. Adjacent walls are joined by a joining method such as caulking or welding.

  The back wall 5a is sandwiched between an upper hot air outlet 8 and a lower hot air outlet 9, and a central portion of the upper hot air outlet 8 and the lower hot air outlet 9 in which a plurality of small openings are divided into two upper and lower lines and arranged in the width direction. And a plurality of small openings arranged in a circle.

  The left side wall 5c includes a steam outlet 13 having a plurality of small openings arranged horizontally.

  The door 3 swings around a rotation center line that is disposed at the lower end of the front surface of the cooking chamber 2 and extends left and right. When the door 3 swings around the rotation center line and comes into contact with the front surface 2c of the cooking chamber 2, the heating chamber 2b is closed, moves away from the front surface 2c of the cooking chamber 2, and swings around the rotation center line. If it falls down substantially horizontally, the opening 2a is fully opened.

  Moreover, the door 3 is provided with the operation part 15 which can set a heating condition. The operation unit 15 includes an input unit 16 and a display unit 17.

  The input unit 16 includes a heating condition setting dial 18, a cooking start instruction key 19, a cooking cancellation instruction key 21, and a microwave oven key 22.

  The cooking device 1 includes a detachable storage tank 23 that stores water that becomes steam for cooking in a water oven, and a detachable tray 24 that stores drainage discharged from the cooking chamber 2.

  The storage tank 23 is disposed on the left front bottom of the heating cooker 1. The saucer 24 is disposed on the right front bottom of the heating cooker 1.

  The storage tank 23 and the tray 24 are detachable in a drawer shape toward the front of the heating cooker 1 and have a handle on the front surface.

  Furthermore, the heating cooker 1 includes a cover member 25 disposed on the front surface of the tray 7. The cover member 25 is disposed below the door 3 and extends over the entire width of the heating cooker 1 or the cooking chamber 2. The cover member 25 holds the storage tank 23 and the tray 24 in a detachable manner.

  FIG. 3 is a longitudinal sectional view showing a heating cooker according to the embodiment of the present invention.

  As shown in FIG. 3, the tray 7 and the outer box 6 of the heating cooker 1 according to the present embodiment cooperatively surround the inner box 5, and a heating chamber 2 b with a gap 26 (heating unit accommodation chamber) therebetween. Support.

  The heating cooker 1 includes an oven cooking mechanism 27 that is arranged in a gap 26a that separates the back wall 5a of the inner box 5 and the back wall 6a of the outer box 6 and supplies hot air into the heating chamber 2b.

  The oven cooking mechanism 27 is one of heating units that heat the object to be heated O in the heating chamber 2b. The oven cooking mechanism 27 includes a fan device 28 disposed behind the suction port 11, a plurality of heaters 29 facing the upper hot air discharge port 8 and the lower hot air discharge port 9, and a casing 31.

  The fan device 28 includes a fan motor 32 that is fixed to the back surface of the casing 31, and a centrifugal fan 33 that is accommodated in the casing 31 and faces the suction port 11 and is fixed to the rotation shaft of the fan motor 32.

  The heater 29 annularly surrounds the fan device 28 and includes an upper side portion 29 a disposed behind the upper hot air discharge port 8 and a lower side portion 29 b disposed behind the lower hot air discharge port 9.

  The casing 31 is a sheet metal processed product and houses the centrifugal fan 33 and the heater 29 of the fan device 28, and the hot air is heated behind the upper hot air outlet 8, the lower hot air outlet 9, and the inlet 11 of the back wall 5 a. Divide the road.

  The oven cooking mechanism 27 drives the fan device 28 to suck the air in the heating chamber 2 b into the casing 31 from the suction port 11 and heats the air discharged around the centrifugal fan 33 with the heater 29 to be heated. The heated air is discharged from the upper hot air outlet 8 and the lower hot air outlet 9 into the heating chamber 2b to heat the object to be heated O in the heating chamber 2b.

  Moreover, the heating cooker 1 includes a microwave cooking mechanism 35 that can heat the object to be heated O by irradiating microwaves into the heating chamber 2b. The microwave oven cooking mechanism 35 is also one of heating units that heat the object to be heated O in the heating chamber 2b.

  The microwave oven cooking mechanism 35 is located in the lower half of the gap 26a and can generate the microwave generated by the magnetron 36 in the gap 26b that separates the inner box 5 and the tray 7 from the magnetron 36 that can generate microwaves. A waveguide 38 that leads downward of the box 5 and an antenna 39 that diffuses microwaves in the inner box 5 are provided.

  The antenna 39 is accommodated in a recess 41 that is disposed on the bottom wall 5d of the inner box 5 and that is recessed downward. The propagation transmitting plate 42 is a plate made of ceramic or the like that transmits microwaves, and closes the concave portion 41 of the inner box 5 so as to cover the antenna 39 to form a flat bottom surface in the heating chamber 2b.

  The microwave cooking mechanism 35 generates a microwave in the magnetron 36, guides the microwave to the lower side of the inner box 5 by the waveguide 38, diffuses it by the antenna 39, and irradiates it in the heating chamber 2 b. The object to be heated O is heated.

  On the other hand, the outer box 6 includes a heat insulating material 43 extending on the inner surface. The heat insulating material 43 is directly applied to the outer surface of the cooking chamber 2 by heat radiated from the inner box 5 or heat transmitted from the gas (high-temperature air or water vapor) convection through the gap 26 separating the inner box 5 and the outer box 6. Suppresses transmission.

  The tray 7 has a vent 45 leading to the gap 26.

  The cover member 25 includes an intrusion prevention wall 47 that is disposed outside the tray 7 with a gap 46 therebetween and faces the vent hole 45.

  The tray 7 and the cover member 25 are provided with columnar legs 48 at the four corners of the bottom surface of the heating cooker 1 that support the weight of the entire heating cooker 1.

  Furthermore, the heating cooker 1 includes a control board (not shown) for adjusting the operation of the oven cooking mechanism 27, the microwave cooking mechanism 35, and the steam cooking mechanism 49 (described later in FIG. 4) in the gap 26b.

  FIG. 4 is a cross-sectional view showing the heating cooker according to the embodiment of the present invention.

  As shown in FIG. 4, the heating cooker 1 according to this embodiment includes a steam cooking mechanism 49 that can heat an object to be heated O in a heating chamber 2 b with cooking steam. The steam cooking mechanism 49 is one of heating devices that heat the object to be heated O in the heating chamber 2b.

  The steam cooking mechanism 49 includes a storage tank 23, a steam generator 51 that can supply cooking steam into the heating chamber 2 b to heat the article to be heated O, and an electric pump 52 that pumps water from the storage tank 23 to the steam generator 51. And a hose 53 that fluidly connects the electric pump 52 and the steam generator 51.

  In addition, the steam which the steam cooking mechanism 49 pumps water from the storage tank 23 and emits for cooking is called “cooking steam”. In addition, when simply referred to as “steam”, both steam generated from an object to be heated by cooking of the oven cooking mechanism 27, the microwave cooking mechanism 35, and the steam cooking mechanism 49 and cooking steam are included.

  The steam generator 51 is disposed in a gap 26 c that separates the left side wall 5 c of the inner box 5 and the left side wall 6 c of the outer box 6. The steam generator 51 heats the article to be heated O by supplying cooking steam from the steam outlet 13 into the heating chamber 2b. The steam generator 51 includes an evaporating heater 55 that heats water and generates cooking steam.

  FIG. 5 is a perspective view showing the tray of the cooking device according to the embodiment of the present invention from the lower right front side.

  As shown in FIG. 5, the tray 7 of the heating cooker 1 according to the present embodiment extends over the entire bottom surface of the heating cooker 1. The tray 7 has a stepped portion 56 for attaching the cover member 25 to the front edge portion. The stepped portion 56 secures a place for the storage tank 23 and the tray 24 and is also a place for the vent 45.

  The vent 45 is disposed on the surface of the stepped portion 56 that faces downward. In addition to the vent 45, the tray 7 has a second vent 57 that is disposed on the front side of the stepped portion 56. The vent 45 is disposed on the right side of the tray 7, and the second vent 57 is disposed on the left side of the tray 7. The second vent 57 is an opening group having a plurality of slit-shaped openings.

  FIG. 6 is a perspective view showing the cover member of the cooking device according to the embodiment of the present invention from the upper right front side.

  As shown in FIG. 6, the cover member 25 of the heating cooker 1 according to this embodiment holds the intrusion prevention wall 47, a storage tank holding part 58 that holds the storage tank 23 detachably, and a detachable holder 24. A tray holder 59. The cover member 25 is an integrally molded product made of resin. That is, the intrusion prevention wall 47, the storage tank holding portion 58, and the tray holding portion 59 are integrally formed. The storage tank holding part 58 is arranged on the left side of the front part of the cover member 25, the tray holding part 59 is arranged on the right side of the front part of the cover member 25, and the intrusion prevention wall 47 is arranged on the right side of the rear part of the cover member 25.

  The intrusion prevention wall 47 has an intrusion prevention port 61 that leads to a gap 46 that separates the cover member 25 and the tray 7. The intrusion prevention port 61 has a slit shape extending in the front-rear direction.

  Further, the cover member 25 includes a ventilation tunnel portion 62 disposed behind the storage tank holding portion 58 and on the left side of the intrusion prevention wall 47. The ventilation tunnel portion 62 is closed at a portion corresponding to the left side surface of the heating cooker 1 and opens to the right of the heating cooker 1. The rear wall 62a of the ventilation tunnel 62 has a slit-shaped third vent 63 extending in the vertical direction. The third vent hole 63 is a group of openings arranged almost over the entire rear wall 62a of the ventilation tunnel portion 62. The third vent 63 faces the second vent 57 of the tray 7.

  FIG. 7 is a cross-sectional view showing an intrusion prevention wall of the heating cooker according to the embodiment of the present invention, taken along the line VII-VII in FIG. 6.

  As shown in FIG. 7 in addition to FIG. 3, the cover member 25 of the heating cooker 1 according to this embodiment includes a second intrusion prevention wall 66 facing the intrusion prevention wall 47 with a second gap 65 therebetween. Prepare.

  The second intrusion prevention wall 66 is also integrally formed with the cover member 25 in the same manner as the intrusion prevention wall 47, the storage tank holding portion 58, and the tray holding portion 59. The second intrusion prevention wall 66 has a second intrusion prevention port 67.

  The location of the vent 45 of the tray 7, the intrusion prevention wall 47, and the second intrusion prevention wall 66 are disposed substantially parallel to each other, and face each other with the gap 46 and the second gap 65 therebetween.

  The vent hole 45 of the tray 7 and the intrusion prevention port 61 of the intrusion prevention wall 47 are arranged in a non-facing manner. A non-opening portion of the intrusion prevention wall 47 faces the front surface of the vent hole 45. Therefore, the vent hole 45 cannot be viewed directly from the front of the intrusion prevention port 61, and the inside of the tray 7, that is, the gap 26 of the cooking chamber 2 cannot be viewed.

  The intrusion prevention port 61 and the second intrusion prevention port 67 are opposed to the front surface of the intrusion prevention port 61 that is arranged in a non-facing relationship with each other. Therefore, the intrusion prevention port 61 cannot be seen directly from the front of the second intrusion prevention port 67, and the inside of the intrusion prevention wall 47, that is, the gap 46 separating the tray 7 and the cover member 25 can be visually recognized. As a result, the gap 26 of the cooking chamber 2 cannot be visually recognized.

  The vent hole 45 of the tray 7, the intrusion prevention port 61 of the intrusion prevention wall 47, and the second intrusion prevention port 67 of the second intrusion prevention wall 66 each have a slit shape extending in the front-rear direction of the heating cooker 1.

  The cover member 25 includes a rib 68 that integrally connects the intrusion prevention wall 47 and the second intrusion prevention wall 66. The rib 68 is disposed between the second gap 65 that crosses substantially the center of each of the intrusion prevention port 61 and the second intrusion prevention port 67 and separates the intrusion prevention wall 47 and the second intrusion prevention wall 66. The rib 68 extends in the left-right direction of the heating cooker 1 with the normal line directed in the front-rear direction of the heating cooker 1. That is, the ribs 68 connect the central portions of the non-opening portions of the intrusion prevention wall 47 and the second intrusion prevention wall 66 to increase the rigidity and strength of the intrusion prevention wall 47 and the second intrusion prevention wall 66.

  Since the heating cooker 1 according to the present embodiment includes the intrusion prevention wall 47 facing the vent 45, the view of the gap 26 of the cooking chamber 2 from the vent 45 is obstructed, the appearance of the heating cooker 1 is adjusted, and the vent Intrusion of foreign matter from 45 into the gap 26 of the cooking chamber 2 is prevented, and damage to the control board and the magnetron 36 is prevented.

  By the way, the cooking device 1 has a sharp opening edge of the vent 45 due to the material (sheet metal) of the tray 7 and may not be preferable from the viewpoint of safety. The heating cooker 1 according to the present embodiment covers the sharp opening edge of the vent 45 with the intrusion prevention wall 47, so that it is good also from the viewpoint of safety.

  Moreover, since the heating cooker 1 according to the present embodiment has the intrusion prevention port 61 in the intrusion prevention wall 47, sufficient ventilation is ensured while isolating the vent 45 from the outside of the heating cooker 1 with the intrusion prevention wall 47. it can. By forming the intrusion prevention wall 47 with resin, it is easy to make the opening edge of the intrusion prevention port 61 non-sharp.

  Furthermore, the heating cooker 1 according to the present embodiment has the vent 45 and the intrusion prevention port 61 arranged so as not to face each other. 1 is arranged to prevent foreign matter from entering the gap 26 of the cooking chamber 2 from the vent 45, thereby preventing damage to the control board, the magnetron 36, and the like.

  Furthermore, since the heating cooker 1 according to the present embodiment includes the second intrusion prevention wall 66 facing the intrusion prevention wall 47, the visibility of the gap 26 of the cooking chamber 2 from the vent hole 45 and the intrusion prevention port 61 is hindered. The appearance of the heating cooker 1 is adjusted, and foreign matter intrusion into the gap 26 of the cooking chamber 2 from the vent 45 and the intrusion prevention port 61 is prevented, thereby preventing damage to the control board, the magnetron 36 and the like.

  Moreover, since the heating cooker 1 which concerns on this embodiment has the 2nd penetration prevention port 67 in the 2nd penetration prevention wall 66, the ventilation hole 45 is made into the penetration prevention wall 47 and the 2nd penetration prevention from the exterior of the heating cooker 1. Sufficient ventilation can be secured while being isolated by the mouth 67. By forming the second intrusion prevention port 67 with resin, it is easy to make the opening edge of the second intrusion prevention port 67 non-sharp.

  Moreover, since the intrusion prevention port 61 and the 2nd intrusion prevention port 67 are arrange | positioned mutually oppositely, the heating cooker 1 which concerns on this embodiment has 2nd prospects with respect to the vent hole 45 and the intrusion prevention port 61. The intrusion prevention wall 66 prevents the foreign substance from entering the gap 26 of the cooking chamber 2 from the vent 45 by preventing the damage of the control board and the magnetron 36.

  Furthermore, since the heating cooker 1 according to the present embodiment includes a rib that integrally connects the intrusion prevention wall 47 and the second intrusion prevention wall 66, the intrusion prevention wall 47 is provided with an intrusion prevention port 61, and the second intrusion Even if the second intrusion prevention port 67 is provided in the prevention wall 66, sufficient rigidity and strength can be secured for each of the intrusion prevention walls 47 and 66.

  Furthermore, since the heating cooker 1 according to the present embodiment includes the slit-shaped vent 45, the intrusion prevention port 61, and the second intrusion prevention port 67, the cover member 25 is integrally formed so as not to face each other. easy.

  Moreover, since the intrusion prevention wall 47, the storage tank holding part 58, and the tray holding part 59 are integrally formed in the cover member 25, the heating cooker 1 according to the present embodiment is easy to ensure the strength of each part and reduce the number of parts. Can also contribute.

  Therefore, according to the heating cooker 1 which concerns on this embodiment, the external appearance which obstructs the view with respect to the clearance gap 26 which accommodates a control board, a magnetron 36, etc. is exhibited.

  Although several embodiments of the present invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

DESCRIPTION OF SYMBOLS 1 Heating cooker 2 Cooking chamber 2a Opening 2b Heating chamber 2c Front surface 3 Door 5 Inner box 5a Back wall 5b Right side wall 5c Left side wall 5d Bottom wall 5e Top wall 6 Outer box 6a Back wall 6c Left side wall 7 Tray 8 Upper hot air outlet 9 Lower hot air discharge port 11 Suction port 13 Steam outlet 15 Operation unit 16 Input unit 17 Display unit 18 Heating condition setting dial 19 Cooking start instruction key 21 Cooking cancel instruction key 22 Microwave key 23 Storage tank 24 Sauce pan 25 Cover members 26, 26a , 26b, 26c Clearance 27 Oven cooking mechanism 28 Fan device 29 Heater 29a Upper side 29b Lower side 31 Casing 32 Fan motor 33 Centrifugal fan 35 Microwave cooking mechanism 36 Magnetron 38 Waveguide 39 Antenna 41 Recess 42 Propagation transmission plate 43 Heat insulating material 45 Ventilation hole 46 Clearance 47 Intrusion prevention wall 48 Leg 49 Steam cooking mechanism 51 Steam generation Device 52 Electric pump 53 Hose 55 Evaporating heater 56 Stepped portion 57 Second vent 58 Reservoir holder 59 Receptacle holder 61 Intrusion prevention port 62 Ventilation tunnel portion 62a Rear wall 63 Third vent 65 Second gap 66 Second intrusion Prevention wall 67 Second intrusion prevention port 68 Rib

Claims (8)

A heating chamber in which an object to be heated can be taken in and out through the opening;
A door for opening and closing the opening;
A tray having a vent opening to support the heating chamber across the heating unit storage chamber and to the heating unit storage chamber;
A heating unit that is disposed in the heating unit storage chamber and heats the object to be heated;
An intrusion prevention wall that is disposed outside the tray with a gap therebetween and faces the vent hole. The heating cooker according to claim 1, wherein the intrusion prevention wall has an intrusion prevention opening that leads to the gap. The heating cooker according to claim 1 or 2, wherein the vent hole and the intrusion prevention port are arranged so as not to face each other.   The cooking device according to any one of claims 1 to 3, further comprising a second intrusion prevention wall that faces the intrusion prevention wall with a second gap therebetween and has a second intrusion prevention port. The cooking device according to claim 4, wherein the intrusion prevention port and the second intrusion prevention port are disposed so as not to face each other. The cooking device according to claim 4 or 5, further comprising a rib that integrally connects the intrusion prevention wall and the second intrusion prevention wall. The cooking device according to any one of claims 4 to 6, wherein the vent hole, the intrusion prevention port, and the second intrusion prevention port have a slit shape. A steam generator for supplying steam to the heating chamber to heat the object to be heated;
A storage tank for storing the water for generating the steam supplied to the steam generator;
A tray for storing drainage from the heating chamber;
A storage tank holding section for removably holding the storage tank;
A saucer holding part for detachably holding the saucer;
The cooking device according to any one of claims 1 to 7, further comprising: a cover member in which the intrusion prevention wall, the storage tank holding portion, and the tray holding portion are integrally formed.

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