JP4251140B2 - Induction heating cooker - Google Patents

Description

  The present invention relates to an induction heating cooker that directly heats a pan bottom with Joule heat generated by eddy current generated by electromagnetic induction.

Conventionally, induction heating cookers using this type of induction heating are different from electric heaters and gases in that the bottom of the metal pan is directly heated. It has many features such as efficiency, safety, and cleanliness, and is widely used as a built-in induction heating cooker embedded in a table or cabinet of a system kitchen. And in this built-in induction heating cooker, as a position where the switch part for receiving the user's command in actual use is provided, all the switch parts are provided on the vertical surface part of the front surface of the main body (for example, see Patent Document 1). The switch part is arranged on the top surface of the top plate of the main body (see, for example, Patent Document 2), or a part of the switch part is provided on the top surface of the top plate, and the operation switch such as a power switch or output setting is provided on the vertical surface part of the front surface of the main body Conventionally, a configuration that includes a portion (see, for example, Patent Document 3) has been employed.
JP 2002-252077 A Japanese Patent Laid-Open No. 10-214677 JP 2003-123953 A

However, in the configuration described in Patent Document 1, since the operation switch portion is arranged on the vertical surface portion of the front surface of the main body, the induction heater that performs cooking and the operation switch portion that operates it are separated. When not familiar with the operation of the cooker, it was difficult for the user to know which operation switch to use. Further, in the configuration described in Patent Document 2, although the operation switch portion is provided on the upper surface of the top plate corresponding to each induction heater, the entire power switch is not provided, and there is a problem in safety. It was. The configuration described in Patent Document 3 is provided with a power switch, but is provided in the vertical portion of the front surface. Therefore, it is difficult to understand which power switch is operated from the top surface.

  An object of the present invention is to solve the above-mentioned conventional problems, and to provide an easy-to-use induction heating cooker that anyone can easily operate the individual operation switch and the power switch from the upper surface.

  In order to solve the above-mentioned conventional problems, the induction heating cooker according to the present invention has an individual operation switch unit for controlling the operation of a corresponding induction heater among a plurality of induction heaters by touching an operation key with a finger. A power switch operation unit that is provided on the upper surface and that is operated to open and close the power switch by operating with a force greater than or equal to a predetermined value, and the operation to the individual operation switch unit is enabled and disabled by the opening and closing operation, On the upper surface near the corner of either the left or right side of the user of the top unit, it is placed closer to the corner of the top unit than any operation key that constitutes the individual operation switch unit, and the individual operation switch unit and the power switch operation unit And a power switch identification display portion for forming a step on the top plate.

  With this configuration, since a plurality of individual operation switch portions are formed on the top plate upper surface, the individual operation switch portions for operating the induction heaters can be disposed in the vicinity of the induction heaters, which the user wants to use. The presence of the individual operation switch portion of the induction heater can be immediately understood, and the operation keys constituting the individual operation switch portion can be easily operated without greatly changing the line of sight. In addition, since the power switch operation part which is an operation part for performing the opening and closing operation of the power switch for enabling and disabling the control command for all the individual operation switch parts is also formed on the upper surface of the top unit, As with the individual operation switch unit, the operation can be performed from the upper surface side of the top unit, which further simplifies the operation for the user.

  Further, the power switch operation section is arranged on the upper surface in the vicinity of one of the left and right corners on the user side of the top unit so as to be closer to the corner than any operation key, so that each induction heater is visually By providing a power switch identification display part that forms a step on the top plate upper surface between the individual operation switch part and the power switch operation part, The power switch operation unit and the individual operation switch unit can be visually and clearly separated with the step as a boundary.

  In addition, the power switch operation part is operated by operating the power switch operation part with a force greater than a predetermined value, so that the power switch does not open or close only by lightly touching the power switch operation part. This reduces the risk of inadvertent operation of the induction heater being inadvertently activated and improving safety, and reducing the risk of unintentionally opening the power switch during cooking to stop cooking. In addition to improving the usability, since the configuration of the operation unit of the power switch and the individual operation switch unit are different, the effect of visually distinguishing both can be increased.

Therefore, both the individual operation switch unit and the power switch operation unit can be operated from the upper surface, and at the same time, the chance of making a mistake in pressing the power switch operation unit is reduced, and an easy-to-use induction heating cooker can be provided.

  According to the present invention, it is possible to operate both the individual operation switch unit for the input setting operation and the like of each induction heater and the power switch operation unit for controlling invalidation and validation from the upper surface, and at the same time, the individual operation An opportunity to make a mistake in pressing the switch unit and the power switch operation unit is reduced, and an easy-to-use induction heating cooker can be provided.

  The first invention includes a main body, a top unit having a top frame that covers the periphery of the top plate and the top plate in a frame shape, and a top unit that is mounted on the upper part of the main body. An operation unit that includes a plurality of induction heaters for inductively heating the object to be heated and one or more operation keys formed on the top plate, and inputs a control command by touching the operation keys with a finger. In response to the control command, a plurality of individual operation switch units for controlling the operation of the corresponding induction heaters among the plurality of induction heaters and an opening / closing operation by operating the power switch operation unit with a predetermined force or more. A power switch for enabling and disabling the control command according to the opening / closing operation The power switch operation unit is disposed on the upper surface in the vicinity of one of the left and right corners on the user side of the top unit, closer to the corner than any of the operation keys, and the individual operation switch unit A power switch identification display unit that forms a step on the top plate upper surface is provided between the power switch operation unit and one or more operation keys. The operation key is touched with a finger. Since a plurality of individual operation switch portions for inputting a control command and controlling the operation of the corresponding induction heater among the plurality of induction heaters according to the control command are formed on the top plate, each induction heater is The individual operation switch to be operated can be placed near each induction heater and used by the user. The presence of the individual operation switch part of Thailand induction heater can be immediately understood, it is possible to operate the operation key to easily configure individual operation switch portion without significantly changing the line of sight. In addition, since the power switch operation unit, which is an operation unit for opening and closing the power switch for enabling and disabling control commands for the individual operation switch unit, is also formed on the top surface of the top unit, As with the switch unit, since the operation can be performed from the top unit upper surface side, the operation is further simplified for the user.

  The power switch operation unit is arranged on the upper surface in the vicinity of one of the left and right corners on the user side of the top unit so as to be closer to the corner than any operation key. By providing a power switch identification display portion that forms a step on the top surface of the top plate between the individual operation switch portion and the power switch operation portion. The operation unit and the individual operation switch unit can be visually and clearly separated with a step as a boundary.

  In addition, the power switch operation part is operated by operating the power switch operation part with a force greater than a predetermined value, so that the power switch does not open or close only by lightly touching the power switch operation part. , The possibility of the induction heater being inadvertently inoperable due to inadvertent operation by the individual operation switch section is reduced and safety is improved, and the possibility of unintentionally operating the power switch during cooking to stop cooking is reduced. Usability is improved and the power switch operation unit and the individual switch operation unit are different in configuration, so that the effect of visually distinguishing both can be increased.

Therefore, both the individual operation switch unit and the power switch operation unit can be operated from the upper surface, and at the same time, the chance of making a mistake in pressing the power switch operation unit is reduced, and an easy-to-use induction heating cooker can be provided.

  According to the second aspect of the invention, in particular, the power switch identification display unit is formed with a step on the top surface of the top plate that connects the inner edges of the two sides of the top frame constituting the corner of the top unit. Since the entire periphery is arranged in a top plate surface surrounded by a step, and the power switch operation part is provided outside the step, the power switch and the individual operation switch part can be more clearly identified. Since the position of the power switch operation section is at the corner, the level of the flat area of the top plate can be made extremely small by the presence of the step of the power switch identification display section, and the pan is placed on the top plate. For example, the step can be less affected by the use of the step.

  According to a third aspect of the invention, in particular, the power switch identification display unit is formed so as to cover or enclose a corner of the top unit with a metal plate integrally formed with the top frame, and the power switch operation unit is displayed on the power switch identification display. By providing within the range of the part, the power switch identification with respect to the individual operation switch part is improved, and the top frame formed of a metal plate is easy to process, so the power switch identification display part is At the same time, it can be easily formed on the upper surface of the top unit by molding with a mold, and further, the step is formed integrally with the top frame, so that the design can be improved.

  In the fourth aspect of the invention, in particular, the power switch operation unit is made of a resin film, covers a hole provided in the power switch identification display unit, and is bonded to the upper surface around the hole, thereby forming water inside. Is easy to penetrate and has excellent cleanability, and excellent workability and design.

  In the fifth aspect of the invention, in particular, the top plate is formed in a shape in which one of the corners on the user side is cut out in a triangular shape and the top plate is cut out in the top plate. The notch part is covered with the power switch identification display part, so that the top plate can be easily processed, and the power switch operation part and the power switch or mechanical parts that operate the power switch are placed in the triangular part. Therefore, the power switch display unit can be configured at low cost.

  According to a sixth aspect of the present invention, in particular, a seal member for covering the upper surface of the edge of the top plate facing the notch with the power switch identification display unit and preventing water intrusion is provided on the lower surface of the power switch identification display unit and the upper surface of the top plate. Because of the configuration provided in between, even if water or liquid spills on the top plate surface, it does not flow in the back direction of the bottom surface of the top frame, it is safe without the risk of water entering the power switch or inside the main body, Even if a small amount of liquid spills on the top plate, it is blocked by the step of the power switch identification display section, and the liquid does not reach the power switch operation section.

In particular, the seventh invention provides a power switch operation section on the upper surface of the power switch identification display section, and the power switch identification display section deforms the power switch identification display section between a top plate and the power switch operation section. A convex wall, which is a convex wall formed, is provided, and the portion of the power switch identification display part on the top plate side is lower by a predetermined width than the convex wall, and is lower by one level. In addition to the effect of the invention according to claim 6, in addition to the effect of the invention according to claim 6, the pot heated by the power switch identification display unit is provided by providing a seal member between the upper surface of the top plate and the lower surface of the top frame. When getting on, the distance that the hot pan bottom approaches the power switch operation unit can be further increased. Therefore, when the power switch operation unit is composed of heat-sensitive parts such as a resin membrane switch, they are less susceptible to damage and are more effective, and the power switch operation unit is printed. In addition, the printed display can be protected. Also, since the convex wall is behind the top power switch identification display part from the seal member, liquid spilled on the top plate does not collect in the groove on the lower surface (back side) of the convex wall. Easy to clean the part.

The eighth aspect of the invention is particularly provided with an other device operation switch unit for operating another device on the top plate, and the other device operation switch unit is used on the side opposite to the corner provided with the power switch identification display unit. The individual operation switch unit and the power switch are provided on the upper surface in the vicinity of the other corner, which is the corner of the top unit located on the user side, and arranged closer to the other corner than any operation key. It is possible to easily distinguish between the operation unit and the other device operation switch unit, and it is possible to provide an easy-to-use induction heating cooker.

  The ninth aspect of the invention includes a child lock key which is an operation unit capable of invalidating a specific individual operation switch unit by operating when the operation of the individual operation switch unit by the power switch is not invalidated. By providing the child lock key within the range of the power switch identification display unit, the individual operation switch unit and the child lock key can be easily distinguished as in the case of the power switch operation unit, and the operation is inadvertently performed. Furthermore, the function of the child lock key is restricted by the operation of the power switch operation unit, and the function is similar to that of the power switch operation unit, so that the user can easily become familiar with the operation. It can be an easy-to-use induction heating cooker.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, this invention is not limited by this embodiment.

(Embodiment 1)
1 to 4 show a built-in induction heating cooker according to Embodiment 1 of the present invention.

  FIG. 1 shows a built-in induction heating cooker in which a main body 1 containing a cooker unit portion is fitted in an opening (not shown) provided in a cabinet of a sink such as a system kitchen.

  As shown in the figure, a top unit 40 is fixed to the upper surface of the main body 1. The top unit 40 has a plate-like top plate 2 made of heat-resistant glass or crystallized ceramic excellent in heat resistance and electrical insulation, and a top frame 8 formed in a frame shape to cover and protect the periphery of the top plate 2. is doing. Below the top plate 2, two induction heaters 5a and 5b, which are coils for inductively heating an object to be heated, are provided. Corresponding to the induction heater 5a (in this case, in the vicinity of the front side of the induction heater 5a), an operation representing an operation state which is a window provided by printing, pasting or the like on the surface (upper surface or lower surface) of the top plate 2 A display portion 3a is formed. On the surface of the top plate 2, an individual operation switch portion 4a configured by a plurality of operation keys (touch pads) for operating the induction heater 5a by a touch operation is provided. Similarly, on the top surface of the top plate 2, an individual operation switch unit 4b composed of a plurality of operation keys (touch pads) for operating the induction heater 5b is arranged corresponding to the vicinity of the operation display unit 3b for displaying the operation. ing.

FIG. 2 shows details of a state in which the main body 1 is dropped into the cabinet 7 and installed. Under the top plate 2, induction heaters 5a and 5b, which are induction heating coils wound in a flat plate shape, are arranged. By generating a high-frequency magnetic field from the induction heaters 5a and 5b that are supplied with the high-frequency alternating current from the inverter power supply device 6, an eddy current is generated at the bottom of the pan 9 that is the object to be heated to generate heat and cook It can be done. The control unit 10 that controls the output of the inverter power supply device 6 includes an individual operation switch unit 4a.
4b, a control command (referred to as a command to start or stop heating, or setting or changing the output value) is input by touching the operation key with a finger, and a plurality of induction heaters 5a and 5b are controlled according to the control command. The operation of the corresponding induction heater is controlled, and the heating output of the induction heaters 5a and 5b and the start / stop of the heating operation are controlled by the information of the component temperature or the ambient temperature by the sensor 17. Further, the control unit 10 determines invalidation and validation of all (or specific) input commands including the individual operation switch units 4a, 4b, and 5c in accordance with the opening / closing operation of the power switch 28. Further, when any of the heaters is operating, the heating operation is prohibited according to the operation of the power switch 28.

  A power switch 28 that determines whether to enable or disable input operations for all (or specific) operation keys of the main body 1 and a power switch operation unit 26 that is an input operation unit for performing the opening / closing operation thereof are It is incorporated in the unit 40.

  As a “power switch identification display unit” for visually distinguishing the power switch operation unit 26 from the individual operation switch units 4 a, 4 b and 5 c, a frame is formed on the upper surface of the right corner portion on the user side of the top unit 40. A corner portion 42 is formed. The frame corner portion (power switch identification display portion) 42 is formed so as to cover the periphery of the power switch operation portion 26 with a metal plate integrally formed with the top frame 8 at the corner portion of the top unit 40. A step portion 8a is formed on the top surface of the top plate 2 so as to form a step that is continuously and mutually connected so as to bypass the middle of the inner edges of the two vertical and horizontal sides of the top frame 8 connected to the corner portion.

  The power switch operation section 26 is surrounded by a step formed at the inner edge of the frame corner section 42, and is configured such that the upper surface of the power switch operation section 26 is positioned below the upper surface of the frame corner section 42. Further, a seal member 41 is sealed around the power switch operation unit 26 and the back surface of the frame corner unit 42.

  Instead of this structure, the frame corner portion 42 is stepped and deformed into a concave shape to form a concave portion, and a hole is partially provided in the concave portion, and an adhesive is applied to the back surface around the hole. A power switch operation unit 26 composed of a film is attached from the upper surface, and a power switch 28 or a member for operating the power switch 28 is provided between the power switch 28 and the power switch operation unit 26 at or below the hole. Also good. In any case, the power switch operation unit 26 is provided on the upper surface of the top unit 40 and is formed integrally with the top frame 8 at the right corner on the user side (near side) of the top unit 40. Further, it is provided within a range of a frame corner portion 42 which is a power switch identification display portion.

  As shown in FIG. 1, the main body 1 is fitted into the opening of the cabinet 7 of the system kitchen so that the main body 1 is supported and hung around the opening of the cabinet 7 by a flange provided at the top of the main body 1. ing. In this state, since the top unit 40 is fixed to the upper part of the main body 1, the top frame 8 made of a thin metal plate such as a stainless steel plate or a hollow steel plate provided around the top plate 2 is exposed on the cabinet 7. Yes. For this reason, it is preferable that the top frame 8 has sufficient strength against scratching or the like.

  On the upper surface of the top plate 2, heater display portions 14a and 14b corresponding to the induction heaters 5a and 5b, and a position corresponding to a radial heater (not shown) using a heating wire provided in the lower portion of the top plate 2 Heater display portions 15 are provided respectively. An operation display unit 3c for displaying the operation of the radiant heater and an individual operation switch unit 4c having a plurality of operation keys for operating the radiant heater are provided on the heater display unit 15 before the heater display unit 15 on the top plate 2. Correspondingly provided.

FIG. 3 shows a detailed configuration in the vicinity of the individual operation switch units 4a and 4b, the power switch operation unit 26, and the power switch 28. However, ribs 8b (convex walls) not shown in FIGS. 1 and 2 are added to FIGS. The individual operation switch portions 4a and 4b are composed of a plurality of operation keys (electrodes) provided on the top surface of the top plate 2, and a plurality of electrodes 44 provided on the bottom surface of the top plate 2 so as to face these operation keys, respectively. The contact terminal 11 is attached so as to be pressed against the electrode 44 on the lower surface of the top plate 2. The contact terminal 11 is made of a conductive material having elasticity, and has a shape with a bent portion at the center. In the present embodiment, the contact terminal 11 is made of a thin metal plate. The contact terminal 11 is fixed to a holder 12 such as a resin so that the tip of the contact terminal 11 is always in contact with the electrode on the lower surface of the top plate 2 and the position of the attachment is determined. Then, when the user touches the operation keys of the individual operation switch units 4a and 4b, the control unit 10 detects a change in capacitance between the top plate back electrode 44 facing the operation keys and outputs the signal. It is sent to the microcomputer of the control unit 10 for processing. Further, the LED 13 provided in the vicinity of the contact terminal 11 of the holder 12 requires an operation to operate the individual operation switch parts 4a and 4b when the power switch 28 is turned on by pushing the power switch operation part 26 with a predetermined force or more. In order to inform the user that it is flashing or lit, the user is informed and guided.

  The top plate 2 has a substantially rectangular planar shape, and the right front corner as viewed from the user is obliquely cut and cut into a triangular shape including the corner (hereinafter, this cut portion is referred to as “ Notched part)). The peripheral portion of the top plate 2 is covered with a frame corner portion (power switch identification display portion) 42 formed by bending the same metal such as stainless steel or iron plate as the top frame 8 to protect it from being broken or chipped. Has been. The frame-shaped top frame 8 has a substantially rectangular outer shape, covers the peripheral edge of the top plate 2, and has a frame corner portion 42 having a substantially triangular plane as a notch on the outside of the top plate 2. A seal member 43 is provided between the top frame 8 and the frame corner portion 42 and the top plate 2 to cover the portion and prevent water from entering.

  Thus, the top plate 2 is formed in a shape in which the planar shape is substantially rectangular and one of the corners on the user side is cut out in a triangular shape, and the cut out portion of the top plate 2 is formed in the frame corner portion (power switch (Identification display part) 42, the top frame 8 has a shape close to a rectangle without an extreme cut-out, so that there is no design imbalance, and the shape of the top plate 2 However, it is easy to process since the shape is simply cut out at the corners, and the power switch operation unit 26 and the power switch 28 or the mechanical parts for operating the power switch 28 can be arranged in the triangular cutout part. Therefore, the power switch identification display unit and the power switch operation unit 26 can be easily configured.

  A seal member 43 that covers the upper surface of the edge of the top plate 2 facing the notch with a frame corner (power switch identification display) 42 and prevents water intrusion is provided between the lower surface of the frame corner 42 and the top. Since the structure is provided between the upper surfaces of the plates 2, a step portion 8 a is provided between the top plate 2 and the lower surface of the top frame 8 to form a step over the entire inner edge of the top frame 8. Even if liquid is spilled, the seal member 43 can be prevented from flowing to the outside of the top plate 2 or the power switch operation unit 26, and further, a seal member 43 that prevents water from entering the frame corner portion 42 ( Since it is provided between the top frame 8) and the top plate 2, it prevents water from reaching the inside of the main body 1 and the power switch 28. Rukoto can.

A power switch operation unit 26 is provided on the upper surface of the frame corner unit (power switch identification display unit) 42, and the frame corner unit 42 is higher between the top plate 2 and the power switch operation unit 26 than the upper surface of the frame corner unit 42 in the vicinity thereof. A convex wall 8b formed by linearly projecting the frame corner portion 42 is provided so that the top wall 2 side portion of the convex wall 8b of the frame corner portion 42 has a predetermined width (this embodiment). In this embodiment, the seal member 43 is provided between the upper surface of the top plate 2 and the lower surface of the frame corner portion 42 at the lower portion, so that the heated pan 9 or frying pan is provided. Even if the power switch is placed on the power switch operation unit 26, the power switch operation unit 26 is not directly touched or excessively close to the power switch operation unit 26. Which is that there is no such structure. Therefore, when the power switch operation unit 26 is composed of heat-sensitive parts such as a resin membrane switch, they are less likely to be damaged and are more effective, and the power switch operation unit 26 is printed on the display. Even in this case, the printed display can be protected. Further, since the convex wall 8b is located behind the top frame corner portion 42 from the seal member 43, the liquid spilled on the top plate 2 does not collect in the groove on the lower surface (back side) of the convex wall. It is easy to clean the vicinity of the step 8a.

  In the present embodiment, the frame corner portion (power switch identification display portion) 42 is formed so as to cover the corner portion of the top unit 40 with a metal plate integrally formed with the top frame 8. 8 is formed so as to enclose the corner of the top unit 40 with a metal plate integrally formed, and another member is provided in the enclosed portion, and the power switch operation unit 26 is disposed on the upper portion thereof so as to cover the corner. It is good also as composition to do.

  In the present embodiment, the cut-out portion of the top plate 2 has a triangular shape to facilitate the processing. However, the cut-out portion may be cut into other shapes as long as the processing effort allows.

  The power switch 28 is for preventing the induction heaters 5a and 5b from being inadvertently operated, or for stopping safety even if an abnormal operation occurs, to ensure safety. With this configuration, it is possible to stably protect the function against a problem caused by disposing the power switch operation unit 26 on the top surface of the top unit 40. Note that the power switch 28 may directly cut off the power line.

  FIG. 4 shows a plan view of the top unit 40 as viewed from above, and shows the detailed arrangement of the individual operation switch units 4 a, 4 b, 4 c on the top plate 2 and the power switch operation unit 26 provided in the frame corner unit 42. It is shown.

  Heater display portions 14a and 14b indicating the positions of the induction heaters 5a and 5b are provided on the left and right of the center front side of the top plate 2, and a heater display portion 15 indicating the position of the radial heater is provided at the rear center. In front of the heater display portions 14a and 14b, operation display portions 3a and 3b representing the operation states are provided, respectively. In the center front of the heater display portion 15, an operation display portion 3c representing the operation states is provided. Yes.

  In order to correspond to the induction heaters 5a and 5b, individual operation switch sections 4a and 4b for performing operations are arranged in the vicinity of the front of the operation display sections 3a and 3b. Further, an individual operation switch unit 4c is arranged corresponding to the operation display unit 3c. The individual operation switch 4a for operating the induction heater 5a includes a turn-on / off key 18, an up key 19 for increasing the heating power, a down key 20 for decreasing, a time key 21 for setting a timer, a minute key 22, and an automatic water heater. An automatic key 23 for providing a function is provided. A similar key is provided corresponding to the induction heater 5b. In FIG. 4, the individual operation switch unit 4c is not provided with the equivalent of the hour key 21, the minute key 22, and the automatic key 23 provided for the induction heater 5a, but these may be provided.

Moreover, the other apparatus operation switch part 24 which operates other apparatus (this embodiment ventilation fan) is provided in the upper surface of the top plate 2, and this other apparatus operation switch part 24 is provided with the operation display part 3a and the individual operation switch part. Close to the corner on the user side on the opposite side (left side in FIG. 4) to the corner of the top unit provided with the power switch operation unit 26, which is the position farthest from 4a, than the individual operation switch unit 4a. It is arranged. By operating the switch unit 24, infrared signals are transmitted from the transmitters 25 provided at three locations in the top plate 2, and other devices, that is, the ventilation fans are operated.

  A child lock key 27 for locking the keys of the entire main body is disposed in the frame corner portion 42 on the right front side of the top frame 8 together with the power switch operation portion 26. The individual operation switch sections 4a, 4b and 4c are separated.

  Further, the child lock key 27 is operated when the power switch operating unit 26 is in a standby state (power ON state), that is, when the invalidation of the individual operation switch units 4a, 4b, and 4c is released. Thus, the control mode for invalidating a specific individual operation switch unit (in this case, the individual operation switch unit 4c) is entered, or the control mode for invalidation is canceled. Further, even when the child lock key 27 is operated when the power switch is operated by operating the power switch operation unit 26, the control mode is not changed as described above.

  By providing such a child lock key 27 within the range of the frame corner portion 42, it is possible to make it easy to distinguish the individual operation switch portions 4a, 4b, and 4c as in the case of the power switch operation portion 26. Further, the child lock key 27 is restricted in function by the operation of the power switch operation unit 26 and has similar functions. Therefore, the user is familiar with the operation. It can be an easy-to-use induction heating cooker.

  FIG. 5 is a diagram illustrating the display contents of the operation display unit 3a in detail. Since the operation display units 3b and 3c operate in the same manner as the operation display unit 3a, the operation display unit 3a will be described below as a representative. The operation display unit 3a is configured to display numbers, characters, and figures, and is configured by a liquid crystal display device or a fluorescent display device, and can display the numbers, characters, and figures by lighting them. Thus, each time the individual operation switch unit 4a is operated in sequence, the operation display unit 3a indicates whether the cooking menu is set, whether the power is set, whether the time is set, or the like. be able to.

  Further, when the power switch operation unit 26 is pressed and turned on, the backlights of all the operation display units 3a are turned on, and the operation unit that can be operated next to the individual operation switch unit 4a blinks and can be operated next. The switch part can be clarified. Therefore, even the first user can easily operate by operating the operation unit of the switch unit that sequentially flashes.

  Next, operation and display will be described. First, when the entire power switch operation unit 26 is pressed and the power switch is turned on, the backlights of the operation display units 3a, 3b, and 3c of the induction heaters 5a and 5b and the radial heater 5c are turned on, and each heater is turned on. Display for use. At the same time, the next usable key such as the turn-off / on key 18 and the automatic key 23 of each heater blinks with an LED or the like to inform the user.

  Then, the cooked food is put in the pot 9 to be heated and installed in the heater display portion 14a, 14b or 15 of the induction heater 5. Thereafter, when the OFF / ON key 18 is turned ON, the heating power setting bar 33 is lit to a predetermined level on the operation display section 3a, 3b or 3c to indicate that heating is in progress.

Thereafter, the up key 19 is pressed to increase the heating setting, and the down key 20 is pressed to decrease the heating setting. At that time, the firepower setting bar 33 and the level number will increase,
Informs the setting of the thermal power to become smaller. If the remaining time is set for the hour key 21 and the minute key 22, cooking can be performed with the set thermal power and the process can be automatically terminated.

  The automatic key 23 is used to set an automatic menu, and can be set to automatic water heating and automatic rice cooking. When the automatic key 23 is pressed at that time, for example, a water heater mark 31 and a rice cooking mark 32 are displayed on the operation display unit 3a, so that the user can know which menu is set. The automatic menu is set by a program so that if the cut / enter key 18 is pressed after setting, cooking starts automatically and finishes cooking.

  As described above, in the present embodiment, the operation display units 3a, 3b, and 3c can display numbers, characters, and graphics, so that the operation display units 3a, 3b, and 3c display the cooking menu. You can indicate whether you are setting, power setting, time setting, etc., and you can see at a glance what the user is operating, so there is no mistake in the setting It is possible to provide a built-in induction heating cooker that is very easy to use.

  Further, by operating the power switch operation unit 26, the backlights of all the operation display units 3a, 3b, and 3c are turned on, and the operation unit that can be operated next to the individual operation switch units 4a, 4b, and 4c is blinked. Thus, the switch unit that can be operated next can be clarified, and the first user can easily operate it by operating the operation unit of the sequentially flashing switch unit.

  As described above, in the present embodiment, the individual operation switch unit that inputs the control command by touching the operation key with a finger and controls the operation of the corresponding one of the induction heaters 5a and 5b according to the control command. Since 4a and 4b are formed on the top surface of the top plate 2, the individual operation switch portions 4a and 4b for operating the induction heaters can be arranged in the vicinity of the induction heaters, and the induction heaters that the user wants to use can be arranged. The existence of the individual operation switch portions 4a and 4b can be immediately understood, and the operation keys constituting the individual operation switch portions 4a and 4b can be easily operated without greatly changing the line of sight. In addition, a power switch operation unit 26 that is an operation unit for performing an opening / closing operation of the power switch 28 for enabling and disabling control commands for all the individual operation switch units 4 a and 4 b is also provided on the upper surface of the top unit 40. Since it forms, since it can operate from the upper surface side of the top unit 40 similarly to the individual operation switch part 4a, 4b, operation becomes still easier for the user.

  The power switch operation unit 26 is arranged on the upper surface near the corner on the right side on the user side of the top unit 40 so as to be closer to the corner than any operation key, so that it is visually related to each induction heater. Frame corner portion (power switch identification display portion) that forms a step on the top surface of the top plate 2 between the individual operation switch portions 4a and 4b and the power switch operation portion 26. By providing 42, the power switch operation unit 26 can be visually and clearly separated from the power switch 28 and the individual operation switch units 4a and 4b with a step 8a forming a step as a boundary.

  Further, the power switch operation unit 26 is operated with a force greater than a predetermined force so that an electrical opening / closing operation is performed, so that the power switch 28 opens / closes only by lightly touching the power switch operation unit 26. There is no risk that the induction heaters 5a and 5c will be in an operable state by inadvertently operating the individual operation switch sections 4a and 4b, thereby improving safety and unintentionally operating the power switch 28 during cooking. Therefore, it is possible to improve the usability by reducing the risk of stopping cooking, and the power switch operation unit 26 and the individual switch operation units 4a and 4b are different in configuration, so that the effect of visually distinguishing both can be increased. .

  Therefore, the individual operation switch units 4a and 4b and the power switch operation unit 26 can be operated from above, and at the same time, there is less chance of making a mistake in pressing the power switch operation unit 26 and an easy-to-use induction heating cooker is provided. can do.

(Embodiment 2)
FIG. 6 shows a main part of the built-in induction heating cooker according to the second embodiment of the present invention. About the same element as Embodiment 1, the same code | symbol is attached | subjected and description is abbreviate | omitted.

  In the present embodiment, the power switch operation unit 26 is provided on the upper surface near the corner on the right side on the user side of the top unit 40, and is disposed closer to the corner than any operation key, and A step portion 35a for forming a step on the upper surface of the top plate 2 is provided between the individual operation switch portions 4a and 4c and the power switch operation portion 26, and the individual operation switch portions 4a and 4c and the power switch operation portion 26 are provided. The point of providing a power switch identification display portion (corresponding to the reinforcing metal fitting 35 in the present embodiment) for visually distinguishing and the function and configuration of the power switch 28 are the same as in the first embodiment.

  However, in the present embodiment, the outer shape of the top plate 2 is substantially rectangular, there is no notch as in the top plate 2 in the first embodiment, and the power switch identification display portion (reinforcing bracket) The configuration of 35) is different from that of the first embodiment, and will be specifically described below.

  The power switch operation unit 26 is not provided in the frame corner unit 42 formed integrally with the top frame 8 as in the configuration described in the first embodiment, and is separated from the top frame 8 and separated from the top plate 2. It is provided on the upper surface. That is, a hole 36 is provided in the top plate 2, a power switch operation unit 26 is provided above the hole 36, and a power switch 28 is provided below the power switch operation unit 26.

  By providing the hole 36 in the top plate 2, the strength of the top plate 2 is reduced. To prevent this, the reinforcing metal fitting 35 is attached around the hole 36, and the top plate 2 is broken by an impact such as dropping. Can be prevented. A step 35a for forming a step is provided at the boundary between the reinforcing metal fitting 35 and the top plate 2, and the power switch 28 is a membrane sheet 37 provided with a power switch operation unit 26 for waterproofing. By sealing the upper part and sealing the periphery of the hole 36 between the lower surface of the reinforcing bracket 35 and the upper surface of the top plate 2 with rubber packing or the like, liquid can be prevented from entering the inside of the main body 1 and the power switch 28. ing.

  Further, by providing a rib 38 (convex wall) integrally with the reinforcing metal fitting 35 around the inner side (hole 36 side) of the reinforcing metal fitting 35, the step difference from the upper surface of the top plate 2 is further increased, and the heated pan Even if 9 or a frying pan is placed, the membrane sheet 37 is not directly touched.

As described above, in the present embodiment, the hole 36 is provided in the top plate 2 in the vicinity of the corner of the top unit 40, the reinforcing metal fitting 35 is formed around the hole 36, and a step is formed on the upper surface of the top plate 2. By providing the step 35a and the rib 38 (convex wall) and installing the power switch operation unit 26 so as to be surrounded by the step (step 35a), the power switch operation unit 26 Since it is easy to distinguish from the individual switch operation units 4a and 4b, and the power switch operation unit 26 has a mechanical contact, the control command is validated and invalidated by opening and closing the mechanical contact. By not touching the switch, the opening / closing operation is not performed, so that the chances of making a mistake in pressing the individual operation switch units 4a and 4b and the power switch 28 are reduced, and it is easy to use. That.

  As described above, since the induction heating cooker according to the present invention can be easily understood and easily operated by the operation switch portion of the induction heater that the user wants to use, it becomes very easy to use. In addition to the built-in type induction heating cooker, it is also useful as a stationary or tabletop induction heating cooker.

The perspective view of the induction heating cooking appliance in Embodiment 1 of this invention Cross section of the main part of the induction heating cooker Detailed cross-sectional view of the induction heating cooker Top view of the induction heating cooker Main part plan view of the induction heating cooker Sectional drawing of the principal part of the induction heating cooking appliance in Embodiment 2 of this invention

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Main body 2 Top plate 3a, 3b, 3c Operation display part 4a, 4b, 4c Individual operation switch part 5a, 5b Induction heater 8 Top frame 8a Step part (step)
8b Rib (convex wall)
9 Pan (to be heated)
DESCRIPTION OF SYMBOLS 11 Contact terminal 14a, 14b, 15 Heater display part 26 Power switch operation part 28 Power switch 35 Reinforcing bracket (power switch identification display part)
35a Step (step)
36 hole 37 membrane sheet 38 rib (convex wall)
40 Top unit 42 Frame corner (Power switch identification display)

Claims (9)

A main unit, a top unit having a top frame that covers the top plate and a peripheral portion of the top plate in a frame shape, and a top unit mounted on the upper part of the main body; and an object to be heated on the top plate disposed below the top plate. An operation unit having a plurality of induction heaters for induction heating and one or more operation keys formed on the upper surface of the top plate and inputting a control command by an operation of touching the operation key with a finger. A plurality of individual operation switch units for controlling the operation of the corresponding induction heaters among the plurality of induction heaters, and a switch for performing an opening / closing operation by operating the power switch operation unit with a force more than a predetermined force. A power switch for enabling and disabling the control command in accordance with the opening / closing operation. The operation unit is disposed on the upper surface in the vicinity of one of the left and right corners on the user side of the top unit, closer to the corner than any of the operation keys, and the individual operation switch unit and the power source An induction heating cooker provided with a power switch identification display unit that forms a step on the top plate upper surface with a switch operation unit. The induction heating cooker according to claim 1, wherein the power switch identification display unit forms a step on the top surface of the top plate that connects the inner edges of the two sides of the top frame constituting the corner of the top unit. The power switch identification display unit is formed so as to cover or surround the corner of the top unit with a metal plate integrally formed with the top frame, and the power switch operation unit is provided within the range of the power switch identification display unit. The induction heating cooker according to claim 2. The induction heating cooker according to claim 3, wherein the power switch operation unit is made of a resin film, covers a hole provided in the power switch identification display unit, and is adhered to an upper surface around the hole. The top plate has a substantially rectangular shape and is formed in a shape in which one of the corners on the user side is cut out in a triangular shape, and the cutout portion that is the cutout portion of the top plate is indicated by a power switch identification display. The induction heating cooker according to claim 3 or 4, wherein the induction heating cooker is configured to be covered with a portion. Claims a sealing member for preventing ingress of water covers the edge upper surface of the top plate facing the notches in the power switch identification unit, and a configuration of providing between said top plate top surface and the power supply switch identification lower surface 5. The induction heating cooker according to 5 . A power switch operation unit is provided on the upper surface of the power switch identification display unit, and the power switch identification display unit is a convex shape formed by deforming the power switch identification display unit between a top plate and the power switch operation unit. A convex wall which is a wall is provided, and the portion of the power switch identification display portion on the top plate side is lower by a predetermined width than the convex wall, and the upper surface of the top plate is lower by the lower portion. The induction heating cooker according to claim 6, wherein a seal member is provided between the upper frame and a lower surface of the top frame. An other device operation switch unit for operating another device on the top plate is provided, and the other device operation switch unit is a top unit located on the user side opposite to the corner provided with the power switch identification display unit. The induction heating cooker according to any one of claims 1 to 7, wherein the induction heating cooker is provided on an upper surface in the vicinity of another corner that is a corner, and is disposed closer to the other corner than any operation key. . A child lock key, which is an operation unit capable of invalidating a specific individual operation switch unit by operating when the operation of the individual operation switch unit by the power switch is not invalidated, and the child lock key is a power switch The induction heating cooker of any one of Claims 1-8 provided in the range of the identification display part.

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