JP2015218970A - Electric cooker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve the following problem: an electric cooker capable of securing safety by discharging heated gas within a cooking chamber to the outside of the cooking chamber is desired to be realized.SOLUTION: An electric cooker 1 comprises an indoor-side exhaust opening 32 that is opened on an inner surface of a cooking chamber 4 and that is formed of a reflector 30. The reflector 30 has a first inside reflector part 33, and an outside reflector part 34, the outside of which is extended in such a manner as to overlap the first inside reflector part 33. An exhaust passage 38 communicating from the indoor-side exhaust opening 32 to an outdoor-side exhaust opening 37 is formed by a clearance between the first inside reflector part 33 and the outside reflector part 34.

Description

  The present invention relates to an electric cooker including a main body that forms an outer shell, a cooking chamber that accommodates an object to be cooked, and heating means provided in the cooking chamber.

  As such an electric cooker, for example, an electric cooker described in Patent Document 1 below is already known. In the technique of Patent Document 1, a discharge port for discharging the gas in the cooking chamber is provided between the top plate and the heat reflecting plate inclined obliquely with respect to the top plate (FIG. 4, Patent Document 1). Paragraph 0040).

Japanese Patent Laid-Open No. 2003-210334

  However, in the technique of Patent Document 1, the discharge port is provided adjacent to the cooking chamber, and the heated gas in the cooking chamber is discharged directly outside the cooking chamber without being cooled directly. For this reason, there is a possibility that the main body is heated by the high-temperature gas, or the gas is discharged outside the electric cooker while maintaining the high temperature.

  Therefore, it is desired to realize an electric cooker that can ensure safety when the heated gas in the cooking chamber is discharged outside the cooking chamber.

  According to the present invention, a characteristic configuration of an electric cooker including a main body that forms an outer shell, a cooking chamber that accommodates an object to be cooked in the main body, and heating means provided in the cooking chamber is the cooking A reflecting plate that constitutes the inner surface of the chamber, and an indoor side exhaust opening that is formed on the inner surface of the cooking chamber and that is formed by the reflecting plate that constitutes the inner surface of the cooking chamber. From the first inner reflecting plate portion constituting a part of the inner surface of the cooking chamber and the second inner reflecting plate portion constituting a part of the inner surface of the cooking chamber, the first inner reflecting plate portion outside the first inner reflecting plate portion. An outer reflection plate portion extending so as to overlap the first inner reflection plate portion when viewed in a direction orthogonal to the outer surface of the one inner reflection plate portion, and the outer surface of the first inner reflection plate portion And the interior side surface of the outer reflection plate portion, the indoor exhaust From the opening, in that the exhaust passage communicating to the outdoor-side exhaust opening that opens to the outside of the cooking chamber is formed.

  According to this characteristic configuration, the gas in the cooking chamber can be discharged from the outdoor exhaust opening to the outside of the cooking chamber through the indoor exhaust opening and the exhaust passage. Therefore, it becomes easy to discharge | emit the vapor | steam and smoke which generate | occur | produced during heat cooking to the exterior of a cooking chamber by an appropriate discharge path. Moreover, since the exhaust passage is formed by the overlap between the first inner reflection plate portion and the outer reflection plate portion, the gas in the cooking chamber discharged from the indoor side exhaust opening can be cooled by the exhaust passage. In particular, the outer reflection plate portion extends to a position overlapping the first inner reflection plate portion as seen in the direction orthogonal to the outer surface of the first inner reflection plate portion, so that the exhaust passage can be provided long, The cooling effect can be enhanced. Further, by providing the exhaust passage, it is possible to suppress the gas exhausted from the indoor exhaust opening from directly hitting the main body and heating the portion. Therefore, even if the gas in the cooking chamber is discharged to the outside from the indoor side exhaust opening, the main body can be suppressed from being heated by the gas in the high temperature cooking chamber, and the gas in the cooking chamber remains at a high temperature. Safety can be ensured because it can be prevented from being discharged to the outside. In addition, since the exhaust passage is formed between the outer side surface of the first inner reflector plate portion and the inner side surface of the outer reflector plate portion, the exhaust passage can be formed compactly. Moreover, since the outer side reflecting plate part is extended and formed from the 2nd inner side reflecting plate part, an outer side reflecting plate part can be formed from the same member as the reflecting plate which comprises the inner surface of a cooking chamber. That is, it is not necessary to provide a dedicated member for forming the exhaust passage and fix it to the main body. Therefore, by fixing the reflector having the outer reflector part to the main body, the exhaust passage can be formed, the structure of the electric cooker can be prevented from becoming complicated, and the manufacturing cost can be prevented from increasing. .

  A further characteristic configuration of the electric cooker according to the present invention is further provided with an opening provided at a front portion of the cooking chamber for taking the cooking object into and out of the cooking chamber, and a door covering the opening. The indoor side exhaust opening is formed by the reflecting plate constituting the upper inner surface of the cooking chamber, and the outdoor side exhaust opening is provided closer to the door than the indoor side exhaust opening. There is in point.

  According to said structure, gas, such as a vapor | steam heated by the heating means, becomes low in density and rises in the cooking chamber. Since the indoor side exhaust opening is formed on the upper side in the cooking chamber, the elevated high-temperature gas can be efficiently discharged from the indoor side exhaust opening to the outside. The heated gas in the cooking chamber is cooled on the door side and descends along the inner surface of the door, and the lowered gas flows backward on the lower side of the cooking chamber and is heated and heated by the heating means. It rises along the rear surface of the chamber, and easily flows upward on the upper side of the cooking chamber. According to the above configuration, since the extending direction of the exhaust passage is set along the flow of gas flowing from the rear side toward the front side on the upper side of the cooking chamber, the flow of gas is used. Thus, the gas can be efficiently flowed and discharged in the exhaust passage. Further, since the exhaust passage extends from the indoor side exhaust opening toward the door side, when the user looks at the cooking chamber from the opening, it becomes difficult to see the space inside the exhaust passage, and the merchantability can be improved. .

  According to a further feature of the electric cooker according to the present invention, the reflector has an upper inclined reflector that forms an inclined inner surface above the cooking chamber, and the indoor exhaust opening is It exists in the point formed in the adjacent area | region of the said upper side inclination reflection board part or the said upper side inclination reflection board part.

  According to said structure, gas can be efficiently discharged | emitted from an indoor side exhaust opening using the flow of the gas which raised along the upper side inclination reflector part.

  A further characteristic configuration of the electric cooker according to the present invention is further provided with an opening provided at a front portion of the cooking chamber for taking the cooking object into and out of the cooking chamber, and a door covering the opening. And the indoor side exhaust opening is located on the side away from the door with respect to the central portion of the cooking chamber in the front-rear direction.

  According to said structure, it becomes difficult to see an indoor side exhaust opening from an opening part side, and can improve merchantability. Moreover, it becomes easy to utilize the flow of the gas which flows toward the front side from the rear side in the upper side of the above-described cooking chamber, and the discharge efficiency can be further improved.

  The electric cooker according to the present invention is further characterized in that the reflector includes a portion disposed above or at the same vertical position above the upper end of the upper inclined reflector and at the top of the cooking chamber. It has an upper reflector part which constitutes the inner surface, and the room side exhaust opening is provided in a boundary region between the upper reflector part and the upper inclined reflector part.

  According to the above configuration, since the indoor exhaust opening is provided near the upper end of the upper inclined reflector, the indoor exhaust opening is provided in a portion where the gas flow along the upper inclined reflector is increased. The gas can be efficiently discharged from the indoor exhaust opening using the inertial force of the gas that tends to flow along the upper inclined reflector.

  A further characteristic configuration of the electric cooker according to the present invention is further provided with an opening provided at a front portion of the cooking chamber for taking the cooking object into and out of the cooking chamber, and a door covering the opening. And the indoor side exhaust opening is in a point extending from one end of the cooking chamber to the other end in the lateral width direction of the door.

  According to the above configuration, the opening width of the indoor exhaust opening can be maximized, and the raised gas can be efficiently guided to the indoor exhaust opening. As a result, the gas discharge efficiency in the cooking chamber can be increased.

  A further characteristic configuration of the electric cooker according to the present invention is further provided with an opening provided at a front portion of the cooking chamber for taking the cooking object into and out of the cooking chamber, and a door covering the opening. The opening is in an upper region in a proximity region close to the door in the closed state of the door, and the opening is an upper region in a proximity region in proximity to the door in the closed state of the door. Further, there is an opening protrusion that protrudes from the opening side toward the door side and extends along the proximity region so that a gap with the door is narrowed or comes into contact with the door.

  According to the above configuration, since the gap between the door and the opening can be closed in the upper region, the gas that has risen in the cooking chamber can be prevented from leaking outside through the gap between the opening and the door, It can be easily guided to the indoor exhaust opening. Therefore, the gas in the cooking chamber can be discharged more safely from the indoor side exhaust opening.

Perspective view of electric cooker with door closed Perspective view of the electric cooker with the door open Longitudinal sectional view of the electric cooker cut along a plane perpendicular to the horizontal direction Horizontal sectional view of the electric cooker, cut from a plane perpendicular to the vertical direction and viewed from below The perspective view of the state which removed the case of the electric cooker Front view from the front with the electric cooker door open The longitudinal cross-sectional view of the principal part of the electric cooker which concerns on other embodiment The longitudinal cross-sectional view of the principal part of the electric cooker which concerns on other embodiment

An embodiment of an electric cooking device 1 according to the present invention will be described with reference to the drawings.
The electric cooker 1 includes a main body 7 that forms an outer shell, a cooking chamber 4 that accommodates an object to be cooked 2 in the main body 7, and heating means 10 provided in the cooking chamber 4. Such an electric cooker 1 is, for example, a so-called oven toaster. The electric cooker 1 may be a home bakery or an oven. FIG. 1 is a perspective view of the electric cooker 1 according to the present embodiment with the door 5 closed, and FIG. 2 is a perspective view of the electric cooker 1 with the door 5 open. FIG. 3 is a vertical cross-sectional view of the electric cooking device 1, and FIG. 4 is a horizontal cross-sectional view of the inside of the cooking chamber 4 of the electric cooking device 1 as viewed from below the mounting table 3. FIG. 5 is a perspective view of the electric cooking device 1 with the first case 6a removed.

  As shown in FIGS. 3 to 5, the electric cooking device 1 includes a reflector 30 that forms the inner surface of the cooking chamber 4, and a reflector that opens to the inner surface of the cooking chamber 4 and configures the inner surface of the cooking chamber 4. And an indoor exhaust opening 32 formed by 30. In addition, the reflecting plate 30 includes a first inner reflecting plate portion 33 that constitutes a part of the inner surface of the cooking chamber 4 and a second inner reflecting plate portion 45 that constitutes a part of the inner surface of the cooking chamber 4. An outer reflection plate portion 34 extending outside the reflection plate portion 33 so as to overlap the first inner reflection plate portion 33 when viewed in a direction orthogonal to the outer surface of the first inner reflection plate portion 33. Yes. And the outdoor side exhaust opening opened to the exterior of the cooking chamber 4 from the indoor side exhaust opening 32 by the clearance gap formed between the outer side surface of the 1st inner side reflecting plate part 33 and the inner side surface of the outer side reflecting plate part 34 An exhaust passage 38 extending toward 37 is formed.

In the present application, “up”, “down”, or “horizontal” means “up”, “down”, or “horizontal” in the vertical direction when the electric cooking device 1 is placed on a horizontal plane. This means that the “vertical direction H” is parallel to the vertical direction.
Hereinafter, the electric cooker 1 which concerns on this embodiment is demonstrated in detail.

First, a schematic configuration of the electric cooking device 1 will be described.
The electric cooker 1 includes a main body 7 that forms an outer shell, a cooking chamber 4 that accommodates an object to be cooked 2 in the main body 7, and heating means 10 provided in the cooking chamber 4. In the present embodiment, the electric cooking device 1 includes an opening 50 provided in the front part of the cooking chamber 4 for putting the food item 2 in and out of the cooking chamber 4, a door 5 covering the opening 50, It has.

  Here, in the electric cooker 1 (cooking chamber 4), the side where the opening 50 is provided is defined as “front”, and the side opposite to the side where the opening 50 is provided (the far side) is defined as “rear”. The “front-rear direction D” is orthogonal to the “up-down direction H” and is along the horizontal direction. Moreover, in the electric cooking appliance 1, the direction orthogonal to the front-rear direction D and the up-down direction H is defined as “lateral direction W” or “left-right direction W”, and is assumed to be parallel to the horizontal direction. Further, “right” or “left” of the electric cooker 1 is defined as “right” or “left” when the electric cooker 1 is viewed from the front side where the opening 50 is provided.

  In the present embodiment, the main body 7 includes a frame member 8 (see FIG. 5) and a case 6 that forms the outer wall of the electric cooking device 1. The electric cooker 1 has a rectangular parallelepiped shape, and each side of the rectangular parallelepiped is parallel to any one of the vertical direction H, the front-rear direction D, and the horizontal direction W. The case 6 includes a first case 6 a that forms the upper surface and the left and right surfaces of the electric cooking device 1, a second case 6 b that forms the rear surface of the electric cooking device 1, and a third case 6 c that forms the lower surface of the electric cooking device 1. And. The front surface of the electric cooking device 1 is formed by the door 5 and the operation panel 60 that cover the opening 50 of the cooking chamber 4. The operation panel 60 is provided on the right side of the door 5 and the opening 50, and the operation panel 60 has a timer knob 61 for setting the heating time, and heating intensity such as the heating temperature and the total output of the heating means 10. Operation switches such as a knob 62 to be set are provided.

  The cooking chamber 4 is formed in the main body 7. In the present embodiment, the inner surface of the cooking chamber 4 is formed by a reflecting plate 30 fixed to the main body 7. The reflecting plate 30 is made of a material having a high surface reflectance such as a galvalume steel plate whose surface is plated with an aluminum / zinc alloy so as to efficiently reflect infrared rays radiated from the heating means 10. . In the present embodiment, the inner surface of the cooking chamber 4 excluding the opening 50 is configured by the reflector 30.

  The cooking chamber 4 is generally formed in a rectangular parallelepiped shape according to the outer shape of the electric cooking device 1, and each side of the rectangular parallelepiped shape is one of the vertical direction H, the front-rear direction D, and the horizontal direction W. It is parallel to. An opening 50 is provided at the front of the cooking chamber 4, and the opening 50 is covered by the door 5. Therefore, the front inner surface of the cooking chamber 4 is constituted by the inner surface of the door 5. In order to effectively reflect the infrared rays radiated from the heating means 10 toward the object to be cooked 2, the cooking chamber 4 is provided at the upper front, upper rear, lower front, and lower rear corners on the inner surface of the cooking chamber 4. An inclined reflecting plate portion 41 that is a portion of the reflecting plate 30 that is inclined toward the vicinity of the center is provided, and the inclined reflecting plate portion 41 extends in the lateral direction W. In addition, the lower surface of the cooking chamber 4 is configured by an inner surface of a waste tray 42 that receives waste generated from the object to be cooked 2. The waste tray 42 can be slid in the front-rear direction D, and is configured to be detachable from the front side of the electric cooking device 1.

  The door 5 includes a rectangular frame-shaped door frame 65 and a glass plate 66 attached to the door frame 65. The door 5 is configured to be openable and closable. As shown in FIGS. 1 and 2, the door 5 is configured such that the upper side is opened. FIG. 1 shows a state in which the door 5 is closed, and FIG. 2 shows a state in which the door 5 is opened. Specifically, as shown in FIG. 3, rotation shafts 63 extending in the lateral direction W are provided at the left and right ends of the lower portion of the door 5. The support bases 64 that support the rotating shaft 63 of the door 5 are provided at the left and right ends of the lower portion of the opening 50 of the cooking chamber 4. During heating, the door 5 is basically closed.

  The to-be-cooked object 2 is food that can be cooked by the heating means 10, such as sliced bread, rolls, croissants, hot dogs, pizza, gratin, fried food, aluminum foil, etc. It is considered to be a foil grill wrapped in. The electric cooker 1 includes a mounting table 3 in the cooking chamber 4 for placing the food item 2 on the upper side. The mounting table 3 extends at least in the horizontal direction in the cooking chamber 4 so that the cooking object 2 can be placed on the upper side. The mounting table 3 is disposed with a space between the upper surface and the lower surface of the cooking chamber 4. In the present embodiment, the mounting table 3 is disposed slightly below the center of the cooking chamber 4 in the vertical direction H.

  For the mounting table 3, for example, a grill or a metal tray is used. In this embodiment, the grill is detachably attached to the support bar 59 and the locking extension 43, and a metal tray (not shown) is configured to be placed on the grill. . If the food to be cooked 2 is a bread such as sliced bread or hot dog, a grill net is attached. If the food to be cooked 2 is a pizza, gratin, fried food, foil grill, etc., it is made of metal. A tray is placed on the grill by the user. In the present embodiment, the mounting table 3 is configured to move in the front-rear direction D in conjunction with opening and closing of the door 5. Specifically, as shown in FIGS. 2 and 3, the front portion of the mounting table 3 is engaged with a locking extension 43 that extends rearward from the left and right ends of the central portion in the vertical direction H of the door 5. The rear portion of the mounting table 3 is locked to the support bar 59. The support bar 59 extends in the lateral direction W longer than the lateral width of the cooking chamber 4, and is slidably fitted into arc-shaped slits 44 formed on the inner surfaces of the left and right sides of the cooking chamber 4. Accordingly, the mounting table 3 is configured to move in the front-rear direction D while the mounting table 3 is maintained in a horizontal state in conjunction with opening and closing of the door 5.

  The heating means 10 is a rod-shaped infrared heater that radiates infrared rays when energized. In the present embodiment, the heating means 10 is wound with a heating wire such as a nichrome wire that generates heat in a coil shape, and is inserted into a heat-permeable cylindrical transparent glass pipe such as a quartz tube. An infrared heater such as a quartz tube heater having an insulator 67 attached to both ends of the pipe is used. The infrared rays referred to here include far infrared rays, middle infrared rays, and near infrared rays. The heating means 10 is provided in one or both of the upper side and the lower side of the mounting table 3 in the cooking chamber 4. In the present embodiment, as shown in FIG. 3, the heating unit 10 includes two upper heating units 10 </ b> U above the mounting table 3, and three lower heating units 10 </ b> D below the mounting table 3. Yes. Each heating means 10 is arranged to extend in the lateral direction W. The upper heating means 10U are arranged in order in the order of being spaced in the front-rear direction D, and the lower heating means 10D are arranged in order of being spaced in the front-rear direction D. On each upper side of the lower heating means 10D, there is provided a diffusing rod 14 that reflects and diffuses infrared rays radiated from the heating means 10.

Next, the exhaust mechanism of the electric cooking device 1 will be described.
When the object to be cooked 2 is heated by the heating means 10, steam and smoke are generated from the object to be cooked 2, so that the gas in the cooking chamber 4 needs to be discharged to the outside. Therefore, it is desirable to provide an opening leading to the outside on the inner surface of the cooking chamber 4. However, since the gas in the cooking chamber 4 is heated to a high temperature, if the gas discharge mechanism is not properly designed, the case 6 of the main body 7 is heated by the high-temperature gas, or the gas remains at a high temperature. There is a risk of being discharged outside the cooking device 1.

  Therefore, as shown in FIG. 3, the electric cooking device 1 according to the present embodiment includes an indoor side exhaust opening 32 that opens to the inner surface of the cooking chamber 4, and the indoor side exhaust opening 32 is an inner surface of the cooking chamber 4. It is formed by the reflector 30 which comprises. The reflecting plate 30 includes a first inner reflecting plate portion 33 constituting a part of the inner surface of the cooking chamber 4 and a second inner reflecting plate portion 45 constituting a part of the inner surface of the cooking chamber 4. An outer reflection plate portion 34 extending outside the reflection plate portion 33 so as to overlap the first inner reflection plate portion 33 when viewed in a direction orthogonal to the outer surface of the first inner reflection plate portion 33. Yes. From the indoor side exhaust opening 32 to the outdoor side exhaust opening 37 that opens to the outside of the cooking chamber 4 by a gap formed between the outer side surface of the first inner reflection plate portion 33 and the inner side surface of the outer reflection plate portion 34. A communicating exhaust passage 38 is formed.

  According to this configuration, the gas in the cooking chamber 4 can be discharged from the outdoor exhaust opening 37 to the outside of the cooking chamber 4 through the indoor exhaust opening 32 and the exhaust passage 38 with a simple configuration. Therefore, it becomes easy to discharge | emit the vapor | steam and smoke which generate | occur | produced during heat cooking to the exterior of the cooking chamber 4 by an appropriate discharge path. Moreover, according to said structure, since the exhaust passage 38 is formed by the overlap of the 1st inner side reflector part 33 and the outer side reflector part 34, in the cooking chamber 4 discharged | emitted from the indoor side exhaust opening 32 The gas can be cooled in the exhaust passage 38. In particular, the outer reflection plate portion 34 extends to a position overlapping the first inner reflection plate portion 33 when viewed in the direction orthogonal to the outer surface of the first inner reflection plate portion 33, so that the exhaust passage 38 is provided long. The cooling effect can be enhanced. Since such an exhaust passage 38 is formed between the outer side surface of the first inner reflection plate portion 33 and the inner side surface of the outer reflection plate portion 34, the exhaust passage 38 can be formed compactly. Further, by providing the exhaust passage 38, it is possible to suppress the gas discharged from the indoor exhaust opening 32 from directly hitting the case 6 of the main body 7 and heating the portion.

  Further, the outer reflecting plate portion 34 extends outside the first inner reflecting plate portion 33 so as to overlap the first inner reflecting plate portion 33 when viewed in a direction orthogonal to the outer surface of the first inner reflecting plate portion 33. Yes. Therefore, the indoor side exhaust opening 32 can be appropriately covered with the outer reflecting plate portion 34, and the radiant heat (infrared rays) of the heating means 10 can be reflected by the outer reflecting plate portion 34 and returned into the cooking chamber 4. . Therefore, it is possible to appropriately suppress the radiant heat (infrared rays) of the heating means 10 from leaking directly from the indoor side exhaust opening 32 to the outside of the cooking chamber 4, and the case 6 of the main body 7 is provided with the indoor side exhaust opening 32. It is possible to suppress direct heating by the radiant heat of the heating means 10 in the portion. Thus, even if the gas in the cooking chamber 4 is discharged to the outside from the indoor side exhaust opening 32, the case 6 of the main body 7 can be suppressed from being heated by the gas in the high temperature cooking chamber 4, It can suppress that the gas in the cooking chamber 4 is discharged | emitted outside the electric cooker 1 with high temperature, and can ensure safety | security.

  Further, since the outer reflecting plate portion 34 is formed to extend from the second inner reflecting plate portion 45 to the outside of the first inner reflecting plate portion 33, the outer reflecting plate portion 34 is formed on the inner surface of the cooking chamber 4. The reflector 30 can be formed from the same member. That is, it is not necessary to provide a dedicated member for forming the exhaust passage 38 and fix it to the main body 7. Therefore, by fixing the reflecting plate 30 having the outer reflecting plate portion 34 to the main body 7, the exhaust passage 38 can be formed, and the complexity of the structure of the electric cooker 1 can be suppressed, and the manufacturing cost increases. Can be suppressed.

  In the present embodiment, the indoor exhaust opening 32 is a gap between the end portion of the first inner reflection plate portion 33 and the end portion of the second inner reflection plate portion 45, which is a different member from the first inner reflection plate portion 33. It is said that. The outer reflection plate portion 34 is formed from the end portion of the second inner reflection plate portion 45 constituting the outer edge of the indoor side exhaust opening 32, and the first inner reflection plate portion 33 constituting the outer edge of the indoor side exhaust opening 32. After extending toward the outside of the end of the first reflecting plate portion 33, the first reflecting plate portion 33 overlaps with the first inner reflecting plate portion 33 when viewed in a direction perpendicular to the outer surface of the first inner reflecting plate portion 33 on the outer side of the first inner reflecting plate portion 33. It extends to. Specifically, the first inner reflection plate portion 33 is constituted by an upper reflection plate portion 40 described later, and the second inner reflection plate portion 45 is constituted by an upper inclined reflection plate portion 39 described later. The room-side exhaust opening 32 is a gap between the rear end portion of the upper reflecting plate portion 40 and the upper end portion of the upper inclined reflecting plate portion 39. Further, the outer reflection plate portion 34 is constituted by a portion extending from the upper inclined reflection plate portion 39. Specifically, the outer reflector plate 34 extends from the upper end of the upper inclined reflector 39 forming the outer edge of the indoor exhaust opening 32 to the outside of the rear end of the upper reflector 40 in a cross-sectional view. After extending obliquely toward the outer side, the outer side of the upper reflecting plate part 40 is extended so as to overlap with the upper reflecting plate part 40 as viewed in a direction perpendicular to the outer side surface of the upper reflecting plate part 40 with a space therebetween. .

  The portion of the outer reflector 34 that overlaps the first inner reflector 33 in the orthogonal view (hereinafter also simply referred to as the outer reflector 34) has a flat plate shape parallel to the first inner reflector 33. The distance G between the inner reflection plate portion 33 and the outer reflection plate portion 34 is constant. The gap G between the first inner reflector plate portion 33 and the outer reflector plate portion 34 is equal to the opening width P of the indoor exhaust opening 32 in a sectional view. The extension length LE of the portion of the outer reflector 34 that overlaps the first inner reflector 33 in the orthogonal view is at least from the gap G between the first inner reflector 33 and the outer reflector 34 in a cross-sectional view. Is also lengthened. In order to improve the cooling effect, the extension length LE of the outer reflection plate portion 34 is, for example, at least five times the interval G between the first inner reflection plate portion 33 and the outer reflection plate portion 34 (10 times in this example). It is desirable that the length be

  As shown in FIG. 4, the room-side exhaust opening 32 extends from one end of the cooking chamber 4 to the other end in the lateral width direction (lateral direction W) of the door 5. That is, the lateral width of the indoor exhaust opening 32 is made equal to the lateral width of the cooking chamber 4. Thus, the exhaust efficiency of the gas in the cooking chamber 4 can be improved by maximizing the opening lateral width of the indoor side exhaust opening 32. In the present embodiment, the room-side exhaust opening 32 has an elongated rectangular shape extending in the horizontal direction W from the right end to the left end in the cooking chamber 4 with a certain vertical width.

  As shown in the perspective view of the electric cooking device 1 with the first case 6a removed in FIG. 5, the lateral widths of the exhaust passage 38 and the outdoor exhaust opening 37 are also made equal to the lateral width of the indoor exhaust opening 32. Yes. That is, the lateral widths of the first inner reflector plate 33 and the outer reflector plate 34 forming the exhaust passage 38 are equal to the lateral width of the indoor exhaust opening 32 (the lateral width of the cooking chamber 4), and are rectangular. ing. According to this configuration, the gas in the cooking chamber 4 can be discharged out of the cooking chamber 4 in the horizontal direction W without unevenness, and can be cooled in the horizontal direction W without unevenness. The outdoor exhaust opening 37 is also opened on both the left and right sides of the exhaust passage 38.

  As shown in FIG. 3, the outside (in this example, the upper side) of the outdoor exhaust opening 37 is covered with a case 6 (in this example, the first case 6a) at an interval, and the outdoor exhaust opening 37 is provided. The gas discharged from the cooking chamber 4 to the outside is guided to the space between the case 6 and the cooking chamber 4. As shown in FIGS. 1 and 2, the case 6 is provided with a plurality of ventilation ports 47 at locations away from the outdoor exhaust opening 37 such as the rear portion of the upper surface portion 53 and the upper portion of the right surface portion 54 in the first case 6 a. The gas discharged to the outside of the cooking chamber 4 passes through the space in the case 6 and is discharged to the outside of the electric cooker 1 from the ventilation port 47 or the like. As described above, the gas discharged from the outdoor exhaust opening 37 to the outside of the cooking chamber 4 is not directly discharged to the outside of the electric cooking device 1 but is further cooled in the case 6, and then the electric cooking device 1. Released to the outside. Therefore, it can discharge by an appropriate discharge route.

  In the present embodiment, the upper surface portion 53 of the first case 6a is disposed with a gap above the outer reflecting plate portion 34, and the outdoor exhaust opening 37 and the outer reflecting plate portion 34 are the upper surface of the first case 6a. Covered by the portion 53. The outdoor exhaust opening 37 is provided at the center of the electric cooker 1 in the front-rear direction D. Further, a step surface 55 slightly projecting upward is provided at the center of the upper surface portion 53 in the front-rear direction D, and the step surface 55 extends in the lateral direction W over the entire lateral width. The outdoor exhaust opening 37 is provided so as to be positioned below the step surface 55, and the gap with the upper surface portion 53 is widened.

  In the present embodiment, the indoor side exhaust opening 32 is formed by the reflecting plate 30 constituting the upper inner surface of the cooking chamber 4. The gas such as steam heated by the heating means 10 has a low density and rises in the cooking chamber 4. Since the indoor side exhaust opening 32 is formed in the upper side in the cooking chamber 4, the raised high temperature gas can be efficiently discharged | emitted from the indoor side exhaust opening 32 outside.

  In the present embodiment, the outdoor exhaust opening 37 is provided closer to the door 5 (front side) than the indoor exhaust opening 32. Therefore, the exhaust passage 38 extends from the indoor side exhaust opening 32 formed on the upper side of the cooking chamber 4 toward the door 5. The heated gas in the cooking chamber 4 is cooled on the door 5 side and descends along the inner surface of the door 5. The lowered gas flows backward in the lower side of the cooking chamber 4, is heated by the heating means 10, rises along the rear surface of the cooking chamber 4, and flows forward in the upper side of the cooking chamber 4. By setting the extending direction of the exhaust passage 38 along the flow of gas flowing from the rear side toward the front side on the upper side in the cooking chamber 4, the gas flow is utilized in the exhaust passage 38. Gas can be efficiently flowed and discharged.

  Further, since the exhaust passage 38 extends from the indoor side exhaust opening 32 toward the door 5, it is difficult to see the space inside the exhaust passage 38 when the user looks inside the cooking chamber 4 from the opening 50. Therefore, the merchantability can be improved, such as giving a clean and clean impression of the cooking chamber 4.

  The room-side exhaust opening 32 is disposed on the side (rear side) away from the door 5 with respect to the central portion 51 of the cooking chamber 4 in the front-rear direction D. According to this configuration, the indoor exhaust opening 32 becomes difficult to see from the opening 50 side, and the merchantability can be improved. Moreover, it becomes easy to use the flow of the gas which flows toward the front side from the rear side in the upper side in the above-described cooking chamber 4, and the discharge efficiency can be further improved. In the present embodiment, the indoor exhaust opening 32 is located above the rear upper heating means 10U so as to be hidden by the rear upper heating means 10U when viewed from the opening 50 toward the indoor exhaust outlet 32. It is arranged at the rear. Further, the front end portion of the indoor exhaust opening 32 is arranged so as to overlap with the rear upper heating means 10U (in this example, the rear end portion of the rear upper heating means 10U) in the vertical direction H. Yes. Therefore, the indoor side exhaust opening 32 is hidden by the upper heating means 10U and is difficult to see from the opening 50 side, so that the merchantability can be improved.

  The reflection plate 30 has an upper inclined reflection plate portion 39 constituting an inclined inner surface on the upper side of the cooking chamber 4. The indoor exhaust opening 32 is formed in the upper inclined reflector 39 or an adjacent region of the upper inclined reflector 39. According to this configuration, the gas can be efficiently discharged to the outside of the cooking chamber 4 by using the flow of the gas that has risen along the upper inclined reflector portion 39. Specifically, the gas that has risen along the upper inclined reflector portion 39 has a velocity component that is directed upward, that is, toward the outside of the cooking chamber 4, and a velocity component that is along the horizontal direction. Since the indoor side exhaust opening 32 is provided in the upper inclined reflecting plate part 39 or the adjacent area of the upper inclined reflecting plate part 39 that creates such a gas flow, the gas in the cooking chamber 4 is efficiently transferred to the room. The air can flow from the inner exhaust opening 32 to the outside and flow in the exhaust passage 38 in the horizontal direction to be discharged to the outside of the cooking chamber 4.

  The reflection plate 30 includes an upper reflection plate portion 40 that includes a portion that is disposed above the upper end portion of the upper inclined reflection plate portion 39 or at the same vertical position and that constitutes the inner surface of the upper portion of the cooking chamber 4. ing. In the present embodiment, the upper reflector 40 is disposed at the same vertical position as the upper end of the upper inclined reflector 39. The indoor side exhaust opening 32 is provided in a boundary region between the upper reflecting plate portion 40 and the upper inclined reflecting plate portion 39. According to this configuration, the indoor side exhaust opening 32 is provided in the vicinity of the upper end portion of the upper inclined reflecting plate portion 39, so that the indoor side exhaust opening is formed in a portion where the gas flow along the upper inclined reflecting plate portion 39 increases. 32 can be provided to increase the discharge efficiency. Further, the gas flowing along the upper inclined reflector part 39 is blocked by the upper reflector part 40 and the direction of the flow is changed. Since the indoor exhaust opening 32 is provided in the boundary region between the upper reflector 40 and the upper inclined reflector 39, the inertial force of the gas that tends to flow along the upper inclined reflector 39. Can be used to efficiently guide the gas to the indoor exhaust opening 32.

  In the present embodiment, the indoor exhaust opening 32 is provided in a region (inside) below the virtual plane 46 obtained by virtually extending the inclined surface of the upper inclined reflecting plate portion 39. For this reason, the indoor side exhaust opening 32 is provided at the tip of the gas flowing along the inner surface of the upper reflecting plate portion 40, and the inertial force of the gas that tries to flow in the direction along the inner surface of the upper reflecting plate portion 40 is utilized. Thus, the gas can be guided to the indoor side exhaust opening 32 more efficiently.

  The upper inclined reflecting plate portion 39 is a portion of the reflecting plate 30 that constitutes the inclined surface of the upper and rear corners of the inner surface of the cooking chamber 4. The upper inclined reflecting plate portion 39 extends in the horizontal direction W (is parallel), and is inclined with respect to the front-rear direction D (horizontal direction) and the vertical direction H in a longitudinal sectional view cut along a plane orthogonal to the horizontal direction W. The surface is inclined so as to face the vicinity of the center of the cooking chamber 4 (in this example, lower front). The tilt angle with respect to the front-rear direction D (horizontal direction) or the vertical direction H is, for example, within a range of 20 ° to 70 ° (in this example, the front-rear direction D ( About 30 °) with respect to the horizontal direction).

  The upper reflector 40 constitutes the upper surface of the cooking chamber 4 and is parallel to the horizontal direction. The upper reflecting plate portion 40 constitutes a first inner reflecting plate portion 33. The outer reflecting plate portion 34 is disposed above the upper reflecting plate portion 40 with a gap therebetween, and is parallel to the horizontal direction. The exhaust passage 38 extends forward from the indoor exhaust opening 32 to the outdoor exhaust opening 37, and the exhaust passage 38 is parallel to the front-rear direction D (horizontal direction). For this reason, it is possible to flow the gas in the exhaust passage 38 by using the forward gas flow generated by the upper inclined reflector 39. Moreover, since the exhaust passage 38 extends in the horizontal direction, it is possible to prevent the outer shape of the electric cooking device 1 from increasing outside in order to provide the exhaust passage 38.

  A mounting table 3 is disposed below the upper inclined reflecting plate portion 39. Below the upper inclined reflector portion 39, the object to be cooked 2 is arranged, and a gas such as steam rises from the object to be cooked 2 toward the upper inclined reflector portion 39, along the upper inclined reflector portion 39. Gas flow is likely to occur. In addition, the gas cooled and lowered on the door 5 side and heated by the heating means 10 and raised along the rear surface of the cooking chamber 4 also flows along the upper inclined reflector 39.

  In the present embodiment, a front upper inclined reflector 48 that forms an inclined surface is also provided at the upper front corner of the inner surface of the cooking chamber 4. The front upper inclined reflector 48 extends in the lateral direction W across the left and right ends, and is inclined such that the inclined surface faces the vicinity of the center (lower rear) of the cooking chamber 4 in a longitudinal sectional view. The front upper inclined reflector 48 is disposed on the rear side of the door 5 and the opening 50. The gas that has risen in the cooking chamber 4 is blocked by the front upper inclined reflector 48 and is suppressed from flowing toward the door 5 and the opening 50, and is easily collected on the upper side in the cooking chamber 4. Therefore, the gas rising in the cooking chamber 4 can be easily guided to the indoor exhaust opening 32 provided on the upper side of the cooking chamber 4.

  As shown in FIG. 3 and FIG. 6, the opening 50 is configured such that, when the door 5 is closed, the gap with the door 5 narrows or abuts on the door 5 in the upper region in the proximity region 49 adjacent to the door 5. In addition, an opening protrusion 52 that protrudes from the opening 50 side toward the door 5 side and extends along the proximity region is provided (so that the gap is narrowed in this example). According to this configuration, the gap between the door 5 and the opening 50 can be closed in the upper region, so that the gas rising in the cooking chamber 4 leaks outside through the gap between the opening 50 and the door 5. This can be suppressed, and can be easily guided to the indoor exhaust opening 32. In the present embodiment, the proximity region 49 of the opening 50 adjacent to the door 5 is formed in a rectangular frame shape. The opening protrusion 52 is formed in a U-shape that continuously extends in the upper frame portion 56 of the proximity region 49 and the upper portions of the right frame portion 57 and the left frame portion 58. The opening protrusion 52 extends in the lateral direction W from the right end portion to the left end portion in the upper frame portion 56. Further, the opening protrusion 52 overlaps with the cooking object 2 such as a sliced bread placed on the mounting table 3 or the mounting table 3 in the horizontal direction from the upper end in the right frame portion 57 and the left frame portion 58. It extends in the vertical direction H to the position in the vertical direction H (see FIG. 3). Therefore, it can suppress effectively that the gas which rose from the to-be-cooked object 2 leaks outside from the clearance gap between the opening part 50 and the door 5. FIG. The opening protrusion 52 may protrude so as to contact the door 5.

[Another embodiment]
(1) In the above embodiment, the first inner reflection plate portion 33 is constituted by the upper reflection plate portion 40, and the second inner reflection plate portion 45 is constituted by the upper inclined reflection plate portion 39, and the outer reflection plate. The case where the part 34 was comprised by the part extended from the upper side inclination reflecting plate part 39 was demonstrated to the example. However, the embodiment of the present invention is not limited to this. That is, as long as the 1st inner side reflection board part 33 is a part of the reflection board 30 which comprises a part of inner surface of the cooking chamber 4, any part other than the upper reflection board part 40 (for example, upper side inclination reflection board part 39). May be configured. As long as the 2nd inner side reflector part 45 is a part of the reflector 30 which comprises a part of inner surface of the cooking chamber 4, any part other than the upper side inclination reflector part 39 (For example, the reflector of the rear surface of the cooking chamber 4) The outer reflection plate portion 34 may be constituted by a portion extending from the second inner reflection plate portion 45 other than the upper inclined reflection plate portion 39.

(2) In the above embodiment, the first inner reflection plate portion 33 is constituted by the upper reflection plate portion 40, and the second inner reflection plate portion 45 is a different member from the first inner reflection plate portion 33. The case where it is configured by the upper inclined reflecting plate portion 39 and the outer reflecting plate portion 34 is configured by a portion extending from the upper inclined reflecting plate portion 39 has been described as an example. However, the embodiment of the present invention is not limited to this. That is, the second inner reflection plate portion 45 is formed of the same member as the first inner reflection plate portion 33, and the outer reflection plate portion 34 is formed of a portion extending from the first inner reflection plate portion 33. Good. In this case, for example, as shown in a longitudinal section in FIG. 7, the first inner reflection plate portion 33 and the second inner reflection plate portion 45 are constituted by the upper reflection plate portion 40, and the indoor side exhaust opening 32 is formed at the upper portion. The outer reflector plate 34 provided in the reflector 40 may be constituted by a portion extending from the upper reflector 40.

(3) In the above embodiment, the case where the indoor exhaust opening 32 is formed by the gap between the end portion of the upper reflecting plate portion 40 and the end portion of the upper inclined reflecting plate portion 39 has been described as an example. However, the embodiment of the present invention is not limited to this. That is, the indoor side exhaust opening 32 may be formed by any reflection plate 30 as long as it is formed by the reflection plate 30 constituting the inner surface of the cooking chamber 4. For example, as shown in a longitudinal section in FIG. 8, the end of the upper reflecting plate portion 40 and the end of the upper inclined reflecting plate portion 39 are brought into contact with no gap, and the indoor exhaust opening 32 is It may be an opening provided in the plate part 40.

(4) In the above embodiment, the case where the outdoor exhaust opening 37 is provided on the side closer to the door 5 (front side) than the indoor exhaust opening 32 has been described as an example. However, the embodiment of the present invention is not limited to this. In other words, the outdoor exhaust opening 37 may be provided on the side (rear side) farther from the door 5 than the indoor exhaust opening 32.

(5) In the above embodiment, the indoor exhaust opening 32 is formed in the adjacent region of the upper inclined reflector 39 (the boundary region between the upper reflector 40 and the upper inclined reflector 39). Was described as an example. However, the embodiment of the present invention is not limited to this. For example, the indoor exhaust opening 32 may be formed in the upper inclined reflection plate portion 39.

(6) In the above embodiment, the case where the indoor exhaust opening 32 is formed in the adjacent region of the rear upper inclined reflector 39 has been described as an example. However, the embodiment of the present invention is not limited to this. For example, the indoor exhaust opening 32 may be provided in a region adjacent to the front upper inclined reflector 48 or the front upper inclined reflector 48.

(7) In said embodiment, the case where the room side exhaust opening 32 is arrange | positioned in the side (back side) away from the door 5 with respect to the center part 51 of the cooking chamber 4 in the front-back direction D is made into an example. explained. However, the embodiment of the present invention is not limited to this. That is, the indoor side exhaust opening 32 may be disposed on the side closer to the door 5 (front side) with respect to the central portion 51 of the cooking chamber 4 in the front-rear direction D.

(8) In the above embodiment, the indoor side exhaust opening 32 is described by taking as an example a case where the door 5 extends from one end of the cooking chamber 4 to the other end in the lateral width direction (lateral direction W). did. However, the embodiment of the present invention is not limited to this. That is, the indoor side exhaust openings 32 do not have to extend across the left and right ends of the cooking chamber 4 in the lateral direction W. For example, the indoor side exhaust openings 32 may extend intermittently in the lateral direction W, or one between the left and right ends of the cooking chamber 4. It may be provided in the part. Alternatively, the room-side exhaust opening 32 may be formed in a region adjacent to the right or left reflector plate and the upper reflector plate 40 of the cooking chamber 4 and may extend in the front-rear direction D.

  INDUSTRIAL APPLICATION This invention can be utilized suitably for the electric cooker provided with the main body which forms an outline, the cooking chamber which accommodates to-be-cooked object in the said main body, and the heating means provided in the said cooking chamber. .

1: Electric cooker 2: Cooked object 4: Cooking room 5: Door 7: Main body 10: Heating means 30: Reflecting plate 32: Indoor side exhaust opening 33: First inner reflecting plate part 34: Outer reflecting plate part 37: Outdoor exhaust opening 38: exhaust passage 39: (rear) upper inclined reflector (second inner reflector)
40: Upper reflector part (first inner reflector part)
45: 2nd inner side reflector part 48: Front upper side inclined reflector part 50: Opening part (opening part) of a cooking chamber
52: Opening protrusion

Claims (7)

An electric cooker comprising: a main body that forms an outer shell; a cooking chamber that accommodates an object to be cooked in the main body; and heating means provided in the cooking chamber,
A reflecting plate constituting the inner surface of the cooking chamber; and an indoor exhaust opening formed by the reflecting plate that opens to the inner surface of the cooking chamber and constitutes the inner surface of the cooking chamber;
The reflecting plate includes a first inner reflecting plate portion constituting a part of the inner surface of the cooking chamber and a second inner reflecting plate portion constituting a part of the inner surface of the cooking chamber. An outer reflection plate portion extending so as to overlap the first inner reflection plate portion when viewed in a direction orthogonal to the outer surface of the first inner reflection plate portion on the outside,
The gap formed between the outer surface of the first inner reflector plate and the inner surface of the outer reflector plate communicates from the indoor exhaust opening to the outdoor exhaust opening that opens outside the cooking chamber. An electric cooker in which an exhaust passage is formed. An opening provided in a front portion of the cooking chamber, and an opening for taking the food into and out of the cooking chamber; and a door covering the opening;
The indoor side exhaust opening is formed by the reflecting plate constituting the upper inner surface in the cooking chamber,
The electric cooker according to claim 1, wherein the outdoor exhaust opening is provided closer to the door than the indoor exhaust opening. The reflection plate has an upper inclined reflection plate portion constituting an inclined inner surface on the upper side of the cooking chamber,
The electric cooker according to claim 1 or 2, wherein the indoor exhaust opening is formed in the upper inclined reflector or an adjacent region of the upper inclined reflector. An opening provided in a front portion of the cooking chamber, and an opening for taking the food into and out of the cooking chamber; and a door covering the opening;
The electric cooker according to any one of claims 1 to 3, wherein the indoor side exhaust opening is disposed on a side away from the door with respect to a central portion of the cooking chamber in the front-rear direction. The reflector includes an upper reflector part that includes a portion disposed at an upper position or the same vertical position above the upper end part of the upper inclined reflector part and constitutes an upper inner surface of the cooking chamber,
The electric cooker according to claim 3 or 4, wherein the indoor exhaust opening is provided in a boundary region between the upper reflecting plate portion and the upper inclined reflecting plate portion. An opening provided in a front portion of the cooking chamber, and an opening for taking the food into and out of the cooking chamber; and a door covering the opening;
The electric cooker according to any one of claims 1 to 5, wherein the indoor exhaust opening extends from one end of the cooking chamber to the other end in the width direction of the door. An opening provided in a front portion of the cooking chamber, and an opening for taking the food into and out of the cooking chamber; and a door covering the opening;
In the closed state of the door, the opening portion is directed from the opening side to the door side so that a gap with the door is narrowed or abuts on the door in an upper region in a proximity region adjacent to the door. The electric cooker according to any one of claims 1 to 6, further comprising an opening protrusion that protrudes along the proximity region.

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