Induction heating cooker

Abstract

To reduce a size of an induction heating cooker having an operation unit while suppressing decrease in intake efficiency.SOLUTION: An induction heating cooker includes: a top plate on which an object to be heated is placed; a housing disposed below the top plate; a heating unit disposed in the housing and configured to inductively heat the object to be heated; a fan that is disposed in the housing and draws air from a through hole provided in the housing; and an operation unit disposed in a direction crossing an opening direction of the through hole. A region in which the operation unit and the through hole overlap each other when viewed from the opening direction of the through hole is equal to or less than one fourth of an opening area of the through hole.SELECTED DRAWING: Figure 5

Description

[Technical field]

[0001] The present disclosure relates to an induction heating cooker. [Background technology]

[0002] Patent Document 1 discloses a cooking device in which a through hole and a cooling fan through hole are disposed at positions different from being substantially on the same plane, forming an intake path for cooling air. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2008-209013 A Summary of the Invention [Problem to be solved by the invention]

[0004] In recent years, there has been a demand for induction heating cookers having an operation unit to be miniaturized while suppressing a decrease in air intake efficiency.

[0005] Therefore, an object of the present disclosure is to solve the above-mentioned problems and to provide an induction heating cooker having an operating unit that can be made compact while suppressing a decrease in intake efficiency. [Means for solving the problem]

[0006] An induction heating cooker according to one aspect of the present disclosure includes: A top plate on which an object to be heated is placed; A housing disposed below the top plate; a heating unit disposed within the housing and configured to inductively heat the object to be heated; a fan that draws in air through a through hole provided in the housing; An operation unit disposed in a direction intersecting an opening direction of the through hole; Equipped with When viewed from the opening direction of the through hole, an overlapping area between the operation portion and the through hole is equal to or smaller than ¼ of the opening area of ​​the through hole. Effect of the Invention

[0007] According to the present disclosure, it is possible to provide an induction heating cooker having an operation unit that can be made smaller while suppressing a decrease in intake efficiency. [Brief description of the drawings]

[0008] [Figure 1] 1 is a schematic perspective view of an example of an induction heating cooker according to a first embodiment of the present disclosure. [Diagram 2] 1 is a schematic perspective view of an example of an induction heating cooker according to a first embodiment of the present disclosure. [Diagram 3] 1 is a schematic block diagram showing an example of a main configuration of an induction heating cooker according to a first embodiment of the present disclosure. [Figure 4] 11 is a schematic diagram for explaining an example of an opening / closing mechanism of an operation unit. FIG. [Diagram 5] 5A and 5B are schematic diagrams illustrating an example of the positions of through holes provided in a housing. [Figure 5A] 11 is a schematic diagram illustrating an example of a positional relationship between a through hole and a main rear surface of an operation case. FIG. [Figure 6] 10 is a schematic cross-sectional view showing an example of a positional relationship between an operation portion and a through hole. FIG. [Figure 7] FIG. 2 is a schematic diagram for explaining an example of a configuration of an operation unit. [Figure 8] FIG. 2 is a schematic diagram for explaining an example of a configuration of an operation unit. [Figure 9] 11A and 11B are schematic cross-sectional views for explaining an example of an operation of an operating unit. [Figure 10] 11A and 11B are schematic cross-sectional views for explaining an example of an operation of an operating unit. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] (Background to this disclosure) In an induction heating cooker having an operating unit, a fan for blowing air to cool a heat-generating component is disposed in the housing. The housing is also provided with a through hole for drawing air into the fan. However, the position of the through hole is limited by the arrangement of the operating unit in the housing.

[0010] For example, when the operation unit is disposed on the front side of the housing, if the through-hole is provided on the front side of the housing, most of the through-hole will be blocked by the operation unit. In this case, the efficiency of the air intake from the through-hole to the fan will decrease. For this reason, it is possible to provide the through-hole in a location other than where the operation unit is disposed so that the through-hole is not blocked by the operation unit. For example, when the operation unit is disposed on the front side of the housing, it is possible to provide the through-hole on the rear side of the housing. However, when the through-hole is provided on the rear side of the housing, the housing becomes large, making it difficult to reduce the size.

[0011] Therefore, the inventors have arrived at the present disclosure in order to realize miniaturization while suppressing a decrease in intake efficiency by devising a positional relationship between an operating unit and a through hole in an induction heating cooker having an operating unit.

[0012] Hereinafter, an embodiment of the present disclosure will be described with reference to the accompanying drawings. Note that the following description is merely illustrative in nature and is not intended to limit the present disclosure, its application, or its uses. Furthermore, the drawings are schematic, and the ratios of dimensions, etc. do not necessarily correspond to the real ones.

[0013] It should be noted that, in this specification, the terms "first", "second", etc. are used for descriptive purposes only and should not be understood as expressing or implying the relative importance or ranking of technical features. Features qualified as "first" and "second" expressly or imply the inclusion of one or more of that feature.

[0014] (Embodiment 1) [Overall configuration] 1 and 2 are schematic perspective views of an example of an induction heating cooker 1 according to the first embodiment of the present disclosure. FIG. 1 shows a state in which a movable part 41 is in a closed position, and FIG. 2 shows a state in which the movable part 41 is in an open position. FIG. 3 is a schematic block diagram showing an example of a main configuration of the induction heating cooker 1 according to the first embodiment of the present disclosure. Note that the XYZ coordinate system shown in the figure is for aiding in understanding the invention and does not limit the invention. The X-axis direction indicates the left-right direction, the Y-axis direction indicates the front-rear direction, and the Z-axis direction indicates the vertical direction.

[0015] 1 and 2, the induction heating cooker 1 includes a top plate 2, a housing 3, an operation unit 4, and a grill unit 5. Moreover, as shown in Fig. 3, the induction heating cooker 1 includes a heating unit 6 and a fan 7, and the housing 3 is provided with a through hole 8 as an air intake for the fan 7.

[0016] <Top plate> An object to be heated is placed on the top plate 2. The top plate 2 is made of, for example, a rectangular heat-resistant glass.

[0017] <Case> The housing 3 is disposed below the top plate 2. The housing 3 includes a first housing 31, a second housing 32, and a third housing 33.

[0018] The first housing 31 is disposed below the top plate 2. The first housing 31 has a box shape with an open upper surface, and has a rectangular shape in a plan view.

[0019] The second housing 32 is disposed below the first housing 31. The second housing 32 is disposed on the right side of the housing 3 in the left-right direction (X direction). The second housing 32 has a box shape with an open top and front, and is rectangular in plan view. The second housing 32 has smaller dimensions in the left-right and front-rear directions than the first housing 31. A hole 50 is provided on the outer side of the second housing 32 (see FIG. 4). Air from the outside flows into the second housing 32 through this hole 50, and a flow path is formed toward the fan 7.

[0020] The third housing 33 is disposed below the first housing 31. The third housing 33 is disposed on the left side in the left-right direction (X direction) of the housing 3. The third housing 33 is disposed adjacent to the second housing 32 in the left-right direction of the housing 3. The third housing 33 has a box shape with an open top and front, and has a rectangular shape in a plan view. The third housing 33 has a smaller dimension in the left-right direction than the first housing 31.

[0021] <Operation section> The operation unit 4 is a unit for operating the induction heating cooker 1. The operation unit 4 is disposed in the second housing 32. Specifically, the operation unit 4 is disposed on the front side of the second housing 32.

[0022] For example, the operation unit 4 includes an operation device 43 including an operation button and an operation board, and an operation case 42 that houses the operation device 43. The operation unit 4 may rotate with respect to the second housing 32, or may be fixed with respect to the second housing 32 without rotating.

[0023] In this embodiment, the operation unit 4 moves between a closed position where it is stored in the housing 3 and an open position where it is pulled out to the outside of the housing 3. To this end, the operation unit 4 includes a movable part 41, an operation case 42, and an operation device 43.

[0024] The movable part 41 moves between a closed position and an open position on the front side of the second housing 32. The movable part 41 moves relative to the operation case 42. In addition, the movable part 41 constitutes the front side of the induction heating cooker 1.

[0025] The operation case 42 is disposed in the second housing 32 and connected to the movable part 41. The operation case 42 movably holds the movable part 41. The operation case 42 has, for example, a box shape that opens on the front side of the second housing 32. The operation case 42 is fixed to the second housing 32.

[0026] The operation device 43 is a device that accepts operations by a user. For example, the operation device 43 includes an operation button and an operation board. The operation button may be a physical button or switch that the user can operate with his / her finger, or may be a button reproduced by software that is displayed on a screen such as a touch panel. The operation board is electrically connected to the operation button and acquires operation information of the operation button. The operation device 43 may also have a display device such as a display.

[0027] The operating device 43 is attached to the movable part 41 and stored in the operation case 42. Specifically, when the movable part 41 is in the closed position, the operating device 43 is stored in the operation case 42. When the movable part 41 is in the open position, the operating device 43 is pulled out from the operation case 42 and pulled out to the front side of the induction heating cooker 1.

[0028] The opening and closing mechanism of the operation unit 4 will be described with reference to Fig. 4. Fig. 4 is a schematic diagram for explaining an example of the opening and closing mechanism of the operation unit 4.

[0029] As shown in Fig. 4, the operation case 42 is disposed on the front side of the second housing 32 and attached to the second housing 32. For example, as shown in Fig. 8, the operation case 42 is provided with mounting holes 4a for mounting to the second housing 32 with mounting fixtures 4b such as screws. The mounting holes 4a are provided on both the left and right sides of the operation case 42 when viewed from the front side of the housing 3. The mounting holes 4a are provided at a position higher than the bottom surface of the operation case 42.

[0030] The movable part 41 has an axis 41a extending in a left-right direction (X direction) perpendicular to the front-rear direction (Y direction) of the housing 3. The axis 41a is provided on a lower part of the movable part 41 and is disposed below the mounting hole 4a. The movable part 41 rotates around the axis 41a. Specifically, the upper part of the movable part 41 rotates around the axis 41a provided on the lower part to move between the open position and the closed position.

[0031] The operating device 43 is disposed on the upper surface of the movable part 41. Therefore, when the movable part 41 rotates in a first rotation direction around the shaft 41a, an upper part of the movable part 41 is pulled out from the operation case 42 and placed in the open position. As a result, the operating device 43 is pulled out to the outside of the housing 3. On the other hand, when the movable part 41 rotates in a second rotation direction opposite to the first rotation direction around the shaft 41a, the upper part of the movable part 41 is stored in the operation case 42. As a result, the operating device 43 is stored in the operation case 42.

[0032] <Grill unit> Returning to Figs. 1 to 3, the grill unit 5 inductively heats an object to be heated placed in a grill container. For example, the grill unit 5 includes a heating chamber, a grill container, and a grill heating section. The grill container is placed in the heating chamber, and is inductively heated by the grill heating section arranged below the heating chamber. The grill unit 5 is arranged in a third housing 33. The grill unit 5 constitutes the front side of the induction heating cooker 1. The grill heating section does not have to be a heating section that uses induction heating, and may be, for example, a radiant heater, a sheath heater, a flat heater, or the like, or may be a heating section that uses microwaves.

[0033] <Heating part> The heating unit 6 is disposed within the housing 3, and induction heats the object to be heated placed on the top plate 2. For example, the heating unit 6 is a heating coil that heats the object to be heated by electromagnetic induction. The output of the heating unit 6 is controlled by, for example, an inverter. The heating unit 6 is composed of one or more heating coils. The heating unit 6 is disposed within the first housing 31. A part of the heating unit 6 does not have to be a heating coil. For example, a part of the heating unit 6 may be a radiant heater, a sheath heater, gas, or the like.

[0034] <Fan> The fan 7 is disposed within the housing 3, takes in air through a through hole 8 provided in the housing 3, and sends the air to the heat-generating components disposed within the housing 3. The heat-generating components include, for example, the heating unit 6 and a control board. The fan 7 is disposed within the first housing 31. The fan 7 is disposed so as to overlap the through hole 8 when viewed from the opening direction of the through hole 8.

[0035] The operating device 43, the grill unit 5, the heating section 6, and the fan 7 are controlled by a control section. The control section includes, for example, a memory that stores a program, and a processing circuit corresponding to a processor such as a CPU (Central Processing Unit). In the control section, the processor executes the program stored in the memory. That is, the control section includes one or more processors, and a memory that stores instructions to be executed by the one or more processors.

[0036] <Through hole> The through hole 8 is provided in the housing 3, on the intake side of the fan 7. The through hole 8 is provided in the first housing 31.

[0037] Fig. 4 is a schematic diagram for explaining an example of the position of a through-hole 8 provided in the housing 3. Figs. 5 and 5A are schematic cross-sectional views showing an example of the positional relationship between the operation unit 4 and the through-hole 8. In Figs. 4, 5, and 5A, some components are omitted for ease of explanation. Fig. 6 is a schematic cross-sectional view showing an example of the positional relationship between the operation unit 4 and the through-hole 8.

[0038] 4 and 5, the through hole 8 is provided in the bottom surface 31a of the first housing 31. Specifically, the through hole 8 is provided in the bottom surface 31a of the first housing 31 at a position overlapping with the second housing 32 in a plan view. That is, the through hole 8 is provided on the right side of the bottom surface 31a of the first housing 31 in a plan view. The through hole 8 communicates between the internal space of the first housing 31 and the internal space of the second housing 32.

[0039] 6, the through hole 8 is provided on the front surface 31b side of the first housing 31. Specifically, the through hole 8 is located closer to the front surface 31b side of the first housing 31 than a center line CL1 that is equidistant from the front surface 31b and the rear surface 31c of the first housing 31 in the front-rear direction (Y direction) of the housing 3. The center line CL1 is an imaginary line that divides the first housing 31 evenly in the front-rear direction, and a first distance D1 from the front surface 31b of the first housing to the center line CL1 is equal to a second distance D2 from the rear surface 31c of the first housing 31 to the center line CL1.

[0040] Furthermore, in this embodiment, the through hole 8 is located closer to the front surface 31b of the first housing 31 than a center line CL2 that is equidistant from the front end 2b and the rear end 2c of the glass surface 2a of the top plate 2 in the front-rear direction (Y direction) of the housing 3. The front end 2b of the glass surface 2a is the front end of the glass surface 2a of the top plate 2 in the front-rear direction of the housing 3. The rear end 2c of the glass surface 2a is the rear end of the glass surface 2a of the top plate 2 in the front-rear direction of the housing 3. The center line CL2 is an imaginary line that evenly divides the glass surface 2a of the top plate 2 in the front-rear direction of the housing 3, and a third distance D3 from the front end 2b of the glass surface 2a to the center line CL2 and a fourth distance D4 from the rear end 2c of the glass surface 2a to the center line CL2 are equal.

[0041] The through hole 8 has, for example, a circular shape in a plan view. Note that the through hole 8 is not limited to a circular shape and may have any shape. For example, the through hole 8 may have an elliptical shape in a plan view.

[0042] 5, the operation unit 4 is disposed on the front side of the second housing 32. The operation unit 4 is disposed in a direction intersecting the opening direction (Z direction) of the through-hole 8. Specifically, the operation unit 4 is disposed in a direction (Y direction) perpendicular to the opening direction (Z direction) of the through-hole 8.

[0043] The operation unit 4 is disposed so as not to overlap at least a portion thereof in a plan view with the through-hole 8. In other words, the through-hole 8 has a region which does not overlap at least a portion thereof with the operation unit 4 in a plan view.

[0044] For example, when viewed from the opening direction of the through hole 8, the overlapping area between the operation unit 4 and the through hole 8 is 1 / 4 times or less the opening area of ​​the through hole 8. Preferably, the overlapping area between the operation unit 4 and the through hole 8 is 1 / 8 times or less the opening area of ​​the through hole 8. More preferably, the overlapping area between the operation unit 4 and the through hole 8 is 1 / 20 times or less the opening area of ​​the through hole 8. This makes it possible to suppress an increase in pressure loss and a decrease in intake efficiency. Furthermore, since the through hole 8 and the operation unit 4 can be arranged close to each other, the housing 3 can be made smaller.

[0045] In the operation unit 4, the movable part 41 moves to an open position and a closed position on the front side of the second housing 32. The operation case 42 has a main back surface 42a provided behind the front side of the second housing in the front-rear direction of the housing 3. The main back surface 42a is provided on the opposite side to the movable part 41 in the front-rear direction of the second housing. The main back surface 42a is a surface that mainly constitutes the back side of the operation case 42. For example, a protrusion, a recess, or a through hole may be formed in a part of the main back surface 42a.

[0046] For example, the main back surface 42a of the operation case 42 may be located within a predetermined range from the through hole 8 when viewed from the opening direction of the through hole 8. Specifically, the main back surface 42a of the operation case 42 may be located within a predetermined distance in the front-rear direction of the housing 3 from the inner wall 8a located closest to the front surface 31b of the first housing 31 among the inner walls defining the through hole 8. For example, the predetermined distance may be 1 / 4 times or less of the diameter of the through hole 8, as shown in FIG. 5A as the distance d. Preferably, the predetermined distance may be 1 / 8 times or less of the diameter of the through hole 8. Preferably, the predetermined distance may be 1 / 20 times or less of the diameter of the through hole 8. This makes it possible to suppress an increase in pressure loss and suppress a decrease in intake efficiency. In addition, since the through hole 8 and the operation unit 4 can be arranged close to each other, the housing 3 can be made smaller.

[0047] For example, when viewed from the opening direction of the through hole 8, the main back surface 42a of the operation case 42 may be disposed at a position that does not overlap with the through hole 8. That is, when viewed from the opening direction of the through hole 8, the main back surface 42a of the operation case 42 may be positioned closer to the front surface of the second housing 32 than the through hole 8. Specifically, the main back surface 42a of the operation case 42 may be positioned closer to the front surface of the second housing 32 than the inner wall 8a.

[0048] [Detailed configuration of the operation section] The detailed configuration of the operation unit 4 will be described with reference to Fig. 7 to Fig. 10. Fig. 7 is a perspective view of the operation unit 4 as seen from the front side, and Fig. 8 is a perspective view of the operation unit 4 as seen from the rear side. Figs. 9 and 10 are schematic cross-sectional views for explaining an example of the operation of the operation unit.

[0049] 7 to 10, in the operation unit 4, a movable part 41 is attached so as to be movable relative to an operation case 42. An operation device 43 is attached to the movable part 41.

[0050] 9 and 10, the movable portion 41 has a protrusion 44. The operation case 42 has a storage portion 42b for storing the protrusion 44.

[0051] The protrusion 44 is provided on the rear side of the movable part 41. The protrusion 44 protrudes from the rear side of the movable part 41 and extends toward the main rear surface 42a of the operation case 42. For example, the protrusion 44 has a plate shape. In addition, a portion where the thickness of the protrusion 44 is increased is provided on the tip side of the protrusion 44.

[0052] 9, when the movable part 41 is in the closed position, the protrusion 44 is stored in a storage part 42b provided in the operation case 42. The storage part 42b is provided on the main back surface 42a side of the operation case 42. The storage part 42b is provided so as to protrude from the main back surface 42a of the operation case 42.

[0053] The storage portion 42b includes a locking portion 47 and a recessed portion 48.

[0054] The locking portion 47 houses the protrusion 44 therein and locks the protrusion 44. The locking portion 47 locks the protrusion 44 when the movable portion 41 is in the closed position. The locking portion 47 is provided on the rear side of the housing 3 relative to the main rear surface 42a of the operation case 42.

[0055] The recess 48 is a recessed portion of the inner wall facing the main back surface 42a of the operation case 42, and is connected to the locking portion 47. The recess 48 is provided on the path of the protrusion 44 so that the protrusion 44 can be stored in the locking portion 47 without contacting the inner wall of the operation case 42. The recess 48 is provided to protrude on the main back surface 42a side of the operation case 42, and is located above the locking portion 47.

[0056] The positional relationship between the storage portion 42b and the through-hole 8 will be described with reference to FIG.

[0057] 5, the storage section 42b is located closer to the rear side of the housing 3 than the main rear surface 42a of the operation case 42. When viewed from the opening direction of the through hole 8 (Z direction), the storage section 42b may overlap with the through hole 8.

[0058] Furthermore, when viewed from the opening direction (Z direction) of the through-hole 8, the storage section 42b may be shifted in the left-right direction (X direction) perpendicular to the front-rear direction (Y direction) of the housing 3 with respect to a center line CL3 passing through the center C1 of the through-hole 8 in the front-rear direction of the housing 3. This reduces the overlapping area between the storage section 42b and the through-hole 8, thereby suppressing a decrease in intake efficiency.

[0059] 7, a gap SP1 is provided on the front side of the induction heating cooker 1 so that air can flow from the operation unit 4 into the inside of the housing 3. For example, the gap SP1 is provided between the operation device 43 arranged on the upper surface of the movable part 41 and the operation case 42 in the vertical direction (Z direction) of the housing 3. In other words, the gap SP1 is a flow path through which air outside the housing 3 flows into the inside of the operation unit 4.

[0060] 8, a plurality of through holes 42c are provided in the main back surface 42a of the operation case 42. Air that has flowed into the operation case 42 passes through the plurality of through holes 42c and flows into the second housing 32, and is sucked into the through holes 8.

[0061] In this way, in the operation unit 4, air flows into the operation case 42 from the gap SP1 between the movable part 41 and the operation case 42, and flows into the second housing 32 through the multiple through holes 42c provided in the main back surface 42a of the operation case 42. The air that has flowed into the second housing 32 is sucked into the first housing 31 by the fan 7 through the through hole 8.

[0062] 7, the movable part 41 includes a rib 45. The rib 45 is provided on the upper surface of the movable part 41. The rib 45 extends in a left-right direction (X direction) perpendicular to the front-rear direction (Y direction) of the housing 3 on the upper surface of the movable part 41. For example, the rib 45 has a plate shape and extends continuously in the left-right direction (X direction).

[0063] As described above, the operation unit 4 is provided with a flow path through which air flows from the operation unit 4 into the inside of the second housing 32 on the front side of the induction heating cooker 1. The rib 45 is provided in the flow path to prevent liquid such as water from entering the second housing 32 through the operation unit 4.

[0064] The rib 45 has a height on the upper surface of the movable part 41 that does not block the gap SP1. For example, the height of the rib 45 is 1 / 4 to 3 / 4 times the dimension of the gap SP1 in the vertical direction (Z direction) of the housing 3. Preferably, the height of the rib 45 is 1 / 3 to 2 / 3 times the dimension of the gap SP1 in the vertical direction (Z direction) of the housing 3. This makes it possible to prevent liquids such as water from entering the inside of the operating part 4 while ensuring a flow path for liquids to flow from the outside of the second housing 32 into the operating part 4.

[0065] 9 and 10, the movable part 41 includes a stopper 46. The stopper 46 comes into contact with the operation case 42 when in the open position, and holds the movable part 41 in the open position.

[0066] The stopper 46 is provided on the upper surface of the movable part 41, and is provided on the rear side of the movable part 41 in the front-rear direction (Y direction) of the housing 3. The stopper 46 extends upward from the upper surface of the movable part 41.

[0067] The stopper 46 moves in accordance with the movement of the movable part 41. The movable part 41 rotates about the shaft 41a disposed at the lower part of the movable part 41, so that the stopper 46 moves along an arc-shaped path. The stopper 46 comes into contact with a contact surface 42d of the operation case 42 when the movable part 41 is in the open position. The contact surface 42d is formed by an inner wall on the front side of the operation case 42. The stopper 46 holds the movable part 41 in the open position by coming into contact with the contact surface 42d when the movable part 41 is in the open position. This maintains a state in which the upper surface of the movable part 41, i.e., the operation surface of the operation device 43, is exposed from the operation case 42.

[0068] The operation case 42 has a hole 49 on the track of the stopper 46. Specifically, the hole 49 is provided in the upper part of the operation case 42. This makes it possible to form a flow path for air to flow from the inside of the operation case 42 into the second housing 32 while ensuring the track of the stopper 46.

[0069] [effect] The induction heating cooker 1 according to the first embodiment provides the following effects.

[0070] The induction heating cooker 1 according to the first embodiment of the present disclosure includes a top plate 2, a housing 3, an operating unit 4, a heating unit 6, and a fan 7. An object to be heated is placed on the top plate 2. The housing 3 is disposed below the top plate 2. The heating unit 6 is disposed within the housing 3 and induction heats the object to be heated. The fan 7 draws in air through a through hole 8 provided in the housing 3. The operating unit 4 is disposed in a direction intersecting the opening direction of the through hole 8. When viewed from the opening direction of the through hole 8, the overlapping area of ​​the operating unit 4 and the through hole 8 is ¼ or less the opening area of ​​the through hole 8.

[0071] With this configuration, the induction heating cooker 1 including the operation unit 4 can be made smaller while suppressing a decrease in intake efficiency. In the induction heating cooker 1, the operation unit 4 is arranged in a direction intersecting the opening direction of the through hole 8, and the area where the operation unit 4 and the through hole 8 overlap is set to 1 / 4 or less when viewed from the opening direction of the through hole 8. This can reduce the effect of pressure loss caused by the through hole 8 being blocked by the operation unit 4. In addition, compared to a case where the through hole 8 is provided on the opposite side of the position where the operation unit 4 is provided in the housing 3, the space between the through hole 8 and the operation unit 4 can be made smaller, so space can be saved. This allows the induction heating cooker 1 to be made smaller.

[0072] The housing 3 includes a first housing 31 disposed below the top plate 2, and a second housing 32 disposed below the first housing 31. The heating unit 6 and the fan 7 are disposed in the first housing 31. The operation unit 4 is disposed in the second housing 32. The through hole 8 is provided in a bottom surface 31a of the first housing 31, and communicates between the inside of the first housing 31 and the inside of the second housing 32.

[0073] With this configuration, in the induction heating cooker 1 equipped with the operation unit 4, the fan 7 can suck air that has flowed from the outside of the second housing 32 into the inside of the first housing 31 through the through hole 8 provided in the bottom surface 31a of the first housing 31. This allows the size to be reduced while suppressing a decrease in intake efficiency. Also, by dividing the housing into the first housing 31 and the second housing 32, the first housing 31 can be shared with an induction heating cooker that does not have the operation unit 4, for example.

[0074] The operation unit 4 includes an operation device 43 that accepts operations by a user, and an operation case 42 that houses the operation device 43.

[0075] With this configuration, the induction heating cooker 1 having the operation unit can be made smaller while suppressing a decrease in intake efficiency.

[0076] The operation unit 4 is disposed on the front side of the second housing 32. The operation case 42 has a main back surface 42a provided behind the front surface of the second housing 32 in the front-rear direction (Y direction) of the housing 3. When viewed from the opening direction of the through-hole 8, the main back surface 42a of the operation case 42 is located closer to the front surface of the second housing 32 than the through-hole 8.

[0077] With this configuration, by disposing the main rear surface 42a of the operation case 42 closer to the front surface of the second housing 32 than the through-hole 8, it is possible to reduce pressure loss and further prevent a decrease in intake efficiency.

[0078] The operation unit 4 includes a movable part 41 that moves between a closed position where it is stored in the housing 3 and an open position where it is pulled out to the outside of the housing 3. The operation case 42 movably holds the movable part 41. The operation device 43 is attached to the movable part 41.

[0079] With this configuration, it is possible to realize the induction heating cooker 1 provided with the operation unit 4 that can be made compact while suppressing a decrease in intake efficiency.

[0080] The movable part 41 includes a protrusion 44 extending toward the main back surface 42a of the operation case 42. The operation case 42 is provided on the main back surface 42a side of the operation case 42 and includes a storage portion 42b that stores the protrusion 44 of the movable part 41.

[0081] With this configuration, the protrusion 44 of the movable part 41 can be stored in the storage part 42b of the operation case 42. For example, when the movable part 41 is in the closed position, the protrusion 44 is stored in the storage part 42b, so that the movable part 41 can be held in the closed position.

[0082] The storage section 42b protrudes from the main rear surface 42a of the operation case 42 toward the rear surface side of the housing 3. When viewed from the opening direction of the through-hole 8, the storage section 42b is shifted in the left-right direction (X direction) perpendicular to the front-rear direction of the housing 3 with respect to a center line CL1 passing through the center C1 of the through-hole 8 in the front-rear direction (Y direction) of the housing 3.

[0083] With this configuration, the storage section 42b is formed to protrude from the main back surface 42a of the operation case 42, thereby making it possible to reduce the size of the operation case 42. Also, by displacing the storage section 42b in the left-right direction of the housing 3 when viewed from the opening direction of the through-hole 8, it is possible to reduce the area where the storage section 42b and the through-hole 8 overlap. This makes it possible to further reduce the size while further suppressing the decrease in intake efficiency.

[0084] The movable part 41 has a rib 45 extending in a left-right direction (X direction) perpendicular to the front-rear direction of the housing 3 on the upper surface of the movable part 41. With this configuration, it is possible to prevent liquid such as water from entering the inside of the operation part 4 from the upper surface of the movable part 41.

[0085] The operation unit 4 is attached to the second housing 32 via an attachment hole 4a provided on the front side of the second housing 32. The movable unit 41 is disposed below the attachment hole 4a and includes an axis 41a extending in the left-right direction (X direction) perpendicular to the front-rear direction of the housing 3. The movable unit 41 rotates about the axis 41a to an open position and a closed position.

[0086] With this configuration, the moving mechanism of the moving part 41 can be made space-saving, and the operation part 4 can be made compact.

[0087] The movable part 41 includes a stopper 46 that contacts the operation case 42 when the movable part 41 is in the open position. A hole 49 is provided in the operation case 42 on the track of the stopper 46.

[0088] With this configuration, the trajectory of the stopper 46 is ensured while the operation case 42 can be made compact.

[0089] The operation unit 4 is provided with a flow path through which air from outside the second housing 32 flows in.

[0090] With this configuration, air can flow from the operation portion 4 to the through-hole 8, and a reduction in size can be achieved while suppressing a decrease in intake efficiency.

[0091] The main rear surface 42a of the operation case 42 is provided with a plurality of through holes 42c.

[0092] With this configuration, air can easily flow from the inside of the operation case 42 into the through-hole 8, and the decrease in the intake efficiency can be further suppressed.

[0093] The through hole 8 is located closer to the front surface 31b of the first housing 31 than a center line CL1 that is equidistant from the front surface 31b and the rear surface 31c of the first housing 31 in the front-rear direction of the housing 3 (Y direction).

[0094] With this configuration, it is possible to reduce the size while suppressing a decrease in intake efficiency.

[0095] A hole 50 is provided on the side surface of the second housing 32, and a flow path is provided through which air flows in from outside the housing 3.

[0096] With this configuration, air outside the housing 3 can easily flow into the second housing 32 through the holes 50 in the side surface of the second housing, and the decrease in intake efficiency can be further suppressed.

[0097] The through hole 8 is located closer to the front surface 31b of the first housing 31 than a center line CL2 that is equidistant from the front end 2b and the rear end 2c of the glass surface 2a of the top plate 2 in the front-rear direction of the housing 3 (Y direction).

[0098] With this configuration, it is possible to reduce the size while suppressing a decrease in intake efficiency.

[0099] In the present embodiment, the induction heating cooker 1 includes the grill unit 5. However, the present invention is not limited to this. For example, the induction heating cooker 1 does not have to include the grill unit 5.

[0100] In the present embodiment, an example has been described in which the housing 3 includes the first housing 31, the second housing 32, and the third housing 33, but this is not limiting. For example, the housing 3 does not necessarily have to include the third housing 33.

[0101] In the present embodiment, an example in which the through-hole 8 is provided in the bottom surface 31a of the first housing 31 has been described, but the present invention is not limited to this. The through-hole 8 may be provided in any location in the housing 3.

[0102] In the present embodiment, an example in which the fan 7 is disposed inside the first housing 31 has been described, but the present invention is not limited to this. The fan 7 may be disposed near the through-hole 8. For example, a part or all of the fan 7 may be disposed inside the second housing 32. However, it is more preferable that the whole or at least a part of the fan 7 is disposed in the first housing 31. This makes it possible to secure space for the operation unit 4 in the second housing 32.

[0103] In the present embodiment, an example has been described in which the movable part 41 in the operation unit 4 rotates around the shaft 41a, but the present invention is not limited to this. For example, the movable part 41 may move parallel to the front-rear direction (Y direction) of the housing 3. Furthermore, the operation unit 4 may not include the movable part 41. For example, the operation unit 4 may be fixed to the housing 3 so that the operation button is exposed from the housing 3. In this case, the operation unit 4 does not need to move relative to the housing 3.

[0104] In the present embodiment, an example has been described in which the storage section 42b protrudes from the main rear surface 42a of the operation case 42, but the present invention is not limited to this. For example, the storage section 42b does not have to protrude from the main rear surface 42a of the operation case 42.

[0105] In the present embodiment, an example in which a plurality of through holes 42c are provided on the main back surface 42a of the operation case 42 has been described, but the present invention is not limited to this. For example, the main back surface 42a of the operation case 42 may be provided with one or a plurality of through holes 42c.

[0106] (Other embodiments) As described above, the above embodiment has been described as an example of the technology disclosed in the present application. However, the technology in the present disclosure is not limited to this, and can be applied to embodiments in which modifications, substitutions, additions, omissions, etc. are made as appropriate.

[0107] Although the present disclosure has been fully described in connection with the preferred embodiments with reference to the accompanying drawings, various changes and modifications will be apparent to those skilled in the art, and such changes and modifications should be understood to be included within the scope of the present invention as defined by the appended claims, unless they depart therefrom.

[0108] (Overview of the embodiment) (1) The induction heating cooker of the present disclosure comprises a top plate on which an object to be heated is placed, a housing arranged below the top plate, a heating unit arranged within the housing and inductively heating the object to be heated, a fan that draws in air through a through hole provided in the housing, and an operating unit arranged in a direction intersecting the opening direction of the through hole, wherein when viewed from the opening direction of the through hole, the overlapping area of ​​the operating unit and the through hole is less than 1 / 4 times the opening area of ​​the through hole.

[0109] (2) In the induction heating cooker of (1), the housing may include a first housing arranged below the top plate and a second housing arranged below the first housing, the heating unit and the fan may be arranged within the first housing, the operating unit may be arranged in the second housing, and the through hole may be provided in a bottom surface of the first housing, communicating the inside of the first housing with the inside of the second housing.

[0110] (3) In the induction heating cooker of (1) or (2), the operation unit may include an operation device that accepts operations by a user, and an operation case that houses the operation device.

[0111] (4) In the induction heating cooker of (3), the operating unit may be arranged on the front side of the second housing, and the operating case may have a main back surface that is located rearward of the front surface of the second housing in the fore-and-aft direction of the housing, and when viewed from the opening direction of the through hole, the main back surface of the operating case may be located on the front side of the second housing rather than the through hole.

[0112] (5) In the induction heating cooker of (3) or (4), the operating unit may include a movable part that moves between a closed position stored within the housing and an open position pulled out to the outside of the housing, the operating case may movably hold the movable part, and the operating device may be attached to the movable part.

[0113] (6) In the induction heating cooker of (5), the operating unit may be arranged on the front side of the second housing, the movable unit may move to the open position and the closed position on the front side of the second housing, the operating case may have a main back surface provided on the opposite side to the movable unit in the front-to-rear direction, the movable unit may include a protrusion extending toward the main back surface side of the operating case, and the operating case may include a storage unit provided on the main back surface side of the operating case for storing the protrusion.

[0114] (7) In the induction heating cooker of (6), the storage section may protrude from the main rear surface of the operating case toward the rear surface of the housing, and when viewed from the opening direction of the through hole, the storage section may be shifted in the left-right direction perpendicular to the front-to-rear direction of the housing with respect to a center line passing through the center of the through hole in the front-to-rear direction of the housing.

[0115] (8) In the induction heating cooker of any one of (5) to (7), the movable part may have a rib extending in a left-right direction perpendicular to a front-rear direction of the housing on an upper surface of the movable part.

[0116] (9) In any one of the induction heating cookers (5) to (8), the operating unit may be attached to the second housing through a mounting hole provided on the front side of the second housing, the movable part may be positioned below the mounting hole and may include an axis extending in a left-right direction perpendicular to the front-to-back direction of the housing, and the movable part may rotate about the axis between the open position and the closed position.

[0117] (10) In any one of the induction heating cookers (5) to (9), the movable part may include a stopper that contacts the operating case when in the open position, and the operating case may have a hole on the track of the stopper.

[0118] (11) In the induction heating cooker of any one of (3) to (10), the operating unit may be arranged on the front side of the second housing, and the operating unit may be provided with a flow path through which air flows in from outside the housing.

[0119] (12) In the induction heating cooker of (11), the operating case may have a main back surface rearward of the front surface of the second housing in the fore-and-aft direction of the second housing, and the main back surface may be provided with one or more through holes.

[0120] (13) In any one of the induction heating cookers (2) to (12), the through hole may be located on the front side of the first housing relative to a center line that is equidistant from the front and rear sides of the first housing in the front-to-rear direction of the housing.

[0121] (14) In the induction heating cooker according to any one of (2) to (12), a hole may be provided in a side surface of the second housing, and a flow path through which air flows in from outside the housing may be provided.

[0122] (15) In any one of the induction heating cookers (2) to (12), the through hole may be located on the front side of the first housing relative to a center line that is equidistant from the front and rear ends of the glass surface of the top plate in the front-to-rear direction of the housing. [Industrial Applicability]

[0123] The present disclosure can be applied to an induction heating cooker that inductively heats a heating object such as a pot. [Explanation of symbols]

[0124] 1 induction cooker 2 Top plate 2a Glass surface 2b Front end 2c rear end 3. Chassis 4 Control section 4a Mounting hole 4b Mounting fixture 5 Grill unit 6 Heating section 7 Fan 8 Through holes 8a Inner wall 31 1st cabinet 31a Bottom 31b Front 31c back 32 2nd cabinet 33 3rd cabinet 41 Moving parts 42 Operation Case 42a Main back 42b Storage section 42c through hole 42d Contact surface 43 Operating device 44 Protrusion 45 Ribs 46 Stopper 47 Locking part 48 Recess 49 holes 50 holes C1 center CL1 center line CL2 center line CL3 center line D1 Distance D2 distance D3 Distance D4 Distance SP1 Gap

Claims

1. A top plate on which an object to be heated is placed; A housing disposed below the top plate; A heating unit disposed within the housing and inductively heating the object to be heated; a fan that draws in air through a through hole provided in the housing; An operation unit disposed in a direction intersecting an opening direction of the through hole; Equipped with When viewed from the opening direction of the through hole, an overlapping area between the operation unit and the through hole is ¼ or less of an opening area of ​​the through hole. Induction heating cooker.

2. the housing includes a first housing disposed below the top plate and a second housing disposed below the first housing, the heating unit and the fan are disposed in the first housing, the operation unit is disposed on the second housing, The through hole is provided in a bottom surface of the first housing and communicates between an inside of the first housing and an inside of the second housing.

2. The induction heating cooker according to claim 1.

3. The operation unit includes: an operation device that accepts user operations; an operation case for housing the operation device; Including, 3. The induction heating cooker according to claim 2.

4. the operation unit is disposed on a front side of the second housing, the operation case has a main back surface provided behind the front surface of the second housing in a front-rear direction of the housing, When viewed from an opening direction of the through hole, a main rear surface of the operation case is located closer to the front surface of the second housing than the through hole.

4. The induction heating cooker according to claim 3.

5. the operation unit includes a movable part that moves between a closed position where it is housed in the housing and an open position where it is pulled out to the outside of the housing, The operation case movably holds the movable part, The operating device is attached to the movable part. Including, 4. The induction heating cooker according to claim 3.

6. the operation unit is disposed on a front side of the second housing, the movable portion moves to the open position and the closed position on a front side of the second housing, The operation case has a main back surface provided on the opposite side to the movable portion in the front-rear direction, The movable portion includes a protrusion extending toward a main rear side of the operation case, The operation case includes a storage portion provided on the main back side of the operation case and configured to store the protrusion.

6. The induction heating cooker according to claim 5.

7. The storage section protrudes from the main rear surface of the operation case toward the rear surface side of the housing, When viewed from an opening direction of the through hole, the storage section is shifted in a left-right direction perpendicular to the front-rear direction of the housing with respect to a center line passing through a center of the through hole in the front-rear direction of the housing.

7. The induction heating cooker according to claim 6.

8. the movable portion has a rib extending in a left-right direction perpendicular to a front-rear direction of the housing on an upper surface of the movable portion, 6. The induction heating cooker according to claim 5.

9. the operation unit is attached to the second housing through a mounting hole provided on a front side of the second housing, the movable portion is disposed below the mounting hole and includes an axis extending in a left-right direction perpendicular to a front-rear direction of the housing, The movable portion rotates about the axis to the open position and the closed position.

6. The induction heating cooker according to claim 5.

10. the movable portion includes a stopper that comes into contact with the operation case when the movable portion is in the open position, The operation case is provided with a hole on the track of the stopper.

6. The induction heating cooker according to claim 5.

11. the operation unit is disposed on a front side of the second housing, The operation unit is provided with a flow path through which air flows in from outside the housing.

4. The induction heating cooker according to claim 3.

12. the operation case has a main rear surface behind a front surface of the second housing in a front-rear direction of the second housing, The main back surface is provided with one or more through holes. The induction heating cooker according to claim 11.

13. the through hole is located on the front side of the first housing with respect to a center line equidistant from a front surface and a rear surface of the first housing in a front-rear direction of the housing; The induction heating cooker according to any one of claims 2 to 12.

14. A hole is provided on a side surface of the second housing, and a flow path through which air flows in from outside the housing is provided. The induction heating cooker according to any one of claims 2 to 12.

15. the through hole is located on the front side of the first housing with respect to a center line equidistant from a front end and a rear end of the glass surface of the top plate in a front-rear direction of the housing; The induction heating cooker according to any one of claims 2 to 12.

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