WO2018216298A1 - Cuiseur à riz électrique et système de cuisson chauffant - Google Patents

Cuiseur à riz électrique et système de cuisson chauffant Download PDF

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Publication number
WO2018216298A1
WO2018216298A1 PCT/JP2018/007852 JP2018007852W WO2018216298A1 WO 2018216298 A1 WO2018216298 A1 WO 2018216298A1 JP 2018007852 W JP2018007852 W JP 2018007852W WO 2018216298 A1 WO2018216298 A1 WO 2018216298A1
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WO
WIPO (PCT)
Prior art keywords
rice cooking
rice
unit
induction heating
cooker
Prior art date
Application number
PCT/JP2018/007852
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English (en)
Japanese (ja)
Inventor
善行 藤田
幸男 川田
若月　芳紀
守岩　和秋
栄治 小暮
杉山　直也
法正 鬼塚
智也 蜷川
Original Assignee
三菱電機株式会社
三菱電機ホーム機器株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社, 三菱電機ホーム機器株式会社 filed Critical 三菱電機株式会社
Priority to CN201880025461.0A priority Critical patent/CN110621203B/zh
Priority to JP2019519474A priority patent/JP6870081B2/ja
Publication of WO2018216298A1 publication Critical patent/WO2018216298A1/fr

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels

Definitions

  • the present invention relates to an electric rice cooker and a heating cooking system, and in particular, the electric rice cooker is placed on an induction heating cooker and used after being cooked. It relates to what can be used even with a cooking device alone.
  • a rice-cooking unit also referred to as “Ohitsu” equipped with an inner pot is placed on a tabletop induction heating cooker (also referred to as “electromagnetic cooker”), and a rice cooking operation is performed using an induction heating source.
  • a tabletop induction heating cooker also referred to as “electromagnetic cooker”
  • an electric rice cooker that made it possible to move the rice cooking unit to a place away from the induction heating cooker after cooking (see Patent Document 1).
  • the present invention has been made against the background of the above-described problems, and its main purpose is to prevent overheating of the infrared communication unit disposed inside the induction heating cooker.
  • the electric rice cooker which becomes the first invention is An induction heating cooker provided with a heating coil and first input operation means for inputting the heating condition of the heating coil; A rice cooking unit that includes an inner pot that accommodates the cooked rice and is heated by the heating coil, and a second input operation means for inputting rice cooking conditions;
  • the induction heating cooker includes a cooling fan that supplies cooling air for cooling the heating coil, and control information for rice cooking between the induction heating cooker and the rice cooking unit.
  • An infrared communication unit for transmitting an infrared signal, The infrared communication unit is arranged in a second air passage that is partitioned separately from the first air passage to which the cooling air from the cooling fan is introduced and reaches the heating coil.
  • the electric rice cooker of the first invention overheating of the infrared communication unit and the power transmission coil arranged inside the induction heating cooker can be prevented.
  • the electric rice cooker according to the second invention is An induction heating cooker provided with a heating coil and first input operation means for inputting the heating condition of the heating coil;
  • a rice cooking unit that includes an inner pot that accommodates the cooked rice and is heated by the heating coil, and a second input operation means for inputting rice cooking conditions;
  • the induction heating cooker is provided with a cooling fan for supplying cooling air to the heating coil, and an infrared communication unit for exchanging information necessary for rice cooking control between the rice cooking unit, and
  • a partition wall that partitions the internal space of the induction heating cooker is provided, and the partition wall defines an air path that guides the cooling air from the cooling fan toward the heating coil.
  • the infrared communication unit is arranged on the opposite side of the heating coil with the partition wall in between.
  • the electric rice cooker according to the third invention is An induction heating cooker provided with a heating coil and first input operation means for inputting the heating condition of the heating coil;
  • a rice cooking unit that includes an inner pot that accommodates the cooked rice and is heated by the heating coil, and a second input operation means for inputting rice cooking conditions;
  • the induction heating cooker is provided with a cooling fan for supplying cooling air to the heating coil, and an infrared communication unit for exchanging information necessary for rice cooking control between the rice cooking unit, and
  • a partition wall that partitions the internal space of the induction heating cooker is provided, and the partition wall defines a first air passage that guides the cooling air from the cooling fan toward the heating coil.
  • the infrared communication unit is arranged inside the first air passage, and is disposed upstream of the heating coil in the flow of cooling air from the cooling fan.
  • the electric rice cooker according to the fourth invention is An induction heating cooker provided with a heating coil and a first input operation means that is positioned in front of the heating coil and inputs induction heating conditions;
  • a rice cooking unit that includes an inner pot that accommodates the cooked rice and is heated by the heating coil, and a second input operation means for inputting rice cooking conditions;
  • the induction heating cooker has a right heating part and a left heating part for heating an object to be heated on both the left and right sides across the center line in the front-rear direction on the upper surface,
  • the induction heating cooker includes a cooling fan that supplies cooling air to the heating coil, and an infrared communication unit for exchanging information necessary for rice cooking control between the induction heating cooker and the rice cooking unit.
  • an air passage for cooling the infrared communication unit and a power transmission coil for supplying power to the induction heating cooker is formed, On the top surface of the induction heating cooker, on the left and right sides across the center line, a right operation unit and a left operation unit for inputting heating conditions for each heating unit, respectively, Furthermore, the operation surface of the main power switch is arranged on the upper surface of the induction heating cooker, When the rice cooking unit is placed at a predetermined position of either the right heating unit or the left heating unit, the rice cooking unit is planar so as to cover the right heating unit or the left heating unit dedicated to the heating unit from above. Have a large size, Even if either the right heating unit or the left heating unit is obscured by the rice cooking unit, the operation surface of the main power switch is in an exposed state.
  • the electric rice cooker of this 4th invention overheating of the infrared communication part arrange
  • the right heating unit and the left heating unit can each be cooked, and the operation surface of the main power switch is exposed even when the rice cooking unit is placed directly above either the right heating unit or the left heating unit. Therefore, cooking can be performed using the heating unit and the operation unit on the side where the rice cooking unit is not placed.
  • the cooking system according to the fifth invention is An induction heating cooker having a top plate on the upper surface, and a rice cooking unit that is placed and used so as to be close to or in contact with the top plate of the induction heating cooker and has a built-in inner pot;
  • the induction heating cooker includes a heating coil that induction-heats the inner pot, and a first input operation means that is positioned on the front side of the heating coil in order to set the energization condition of the heating coil,
  • the rice cooking unit includes second input operation means for setting rice cooking conditions, In the state where the rice cooking unit is placed at a predetermined position of the induction heating cooker, the rice cooking unit covers the top of the first input operation means,
  • the induction heating cooker includes a cooling fan for supplying cooling air to the heating coil, an infrared communication unit for exchanging information necessary for controlling rice cooking, and the cooling fan.
  • An air path for cooling air to be introduced and cooling the infrared communication unit Before starting the rice cooking process by the rice cooking unit, the induction heating cooker confirms the placement of the rice cooking unit by the infrared communication unit, and thereafter permits the input operation of the second input operation means.
  • the main control device is provided.
  • the cooking system of the fifth invention overheating of the infrared communication unit of the induction heating cooker can be prevented by the cooling air of the cooling fan, and before starting the rice cooking process by the rice cooking unit, The placement of the rice cooking unit is confirmed by the infrared signal, and after this, the input operation of the input operation means of the rice cooking unit is permitted. Therefore, when a predetermined rice cooking unit is placed at a regular position, the rice cooking is permitted and safe. It is possible to improve the property.
  • the electric rice cooker of this invention overheating of the infrared communication part of the induction heating cooker can be prevented.
  • the cooking system of the present invention it is possible to prevent overheating of the infrared communication unit of the induction heating cooker, and to allow rice cooking when the rice cooking unit is placed at a regular position, thereby improving safety. be able to.
  • FIG. 2 is a longitudinal sectional view taken along line XX of the electric rice cooker of FIG. 1. It is a top view of the part except the rear end part of the electric rice cooker of FIG. It is a longitudinal cross-sectional view of the operation input part in the front part of the electric rice cooker of FIG. It is a longitudinal cross-sectional view 1 of the front part of the electric rice cooker of FIG. It is the longitudinal cross-sectional view 2 of the front part of the electric rice cooker of FIG. It is an enlarged plan view of the lid front part of the electric rice cooker of FIG.
  • top view 2 of the cover body of the rice cooking unit of the electric rice cooker of FIG. It is a block diagram which shows the structure of the control apparatus of the rice cooking unit of FIG. It is a flowchart which shows the control action at the time of cooking with the rice cooking unit of FIG. It is explanatory drawing of the control pattern in the stew cooking of the rice cooking unit of FIG. It is related with Embodiment 8 of this invention, and is a top view of an electric rice cooker. It is a longitudinal cross-sectional view in the XX line of the electric rice cooker shown in FIG. It is related with Embodiment 9 of this invention, and is a top view of an electric rice cooker.
  • FIG. 10 It is a longitudinal cross-sectional view in the XX line of the electric rice cooker shown in FIG. It is a top view of the cover body of the rice cooking unit of the electric rice cooker of FIG. It is the flowchart 1 which shows the control action at the time of rice cooking with the rice cooking unit of FIG. It is the flowchart 2 which shows the control action at the time of rice cooking with the rice cooking unit of FIG. It is the flowchart 3 which shows the control action at the time of rice cooking with the rice cooking unit of FIG. It is a longitudinal cross-sectional view of the electric rice cooker regarding Embodiment 10 of this invention.
  • FIG. 1 is a perspective view of an electric rice cooker according to Embodiment 1 of the present invention.
  • FIG. 2 is a longitudinal sectional view taken along line XX of the electric rice cooker of FIG. In FIG. 2, the cross-sectional display (hatching) is omitted for a part of the configuration.
  • the R direction is the right direction of the rice cooking unit (also referred to as “hatsu part”) 1 and the induction heating cooker 10.
  • the L direction is the left direction. It is assumed that the BU direction indicated by the broken line in FIG. 1 is the direction behind the rice cooking unit 1 and the induction heating cooker 10. FR also indicates the forward direction.
  • the electric rice cooker 100 includes a rice cooking unit 1 and an induction heating cooker 10.
  • the rice cooking unit 1 is merely placed on the top plate 22 that constitutes the upper surface of the induction heating cooker 10 and is not fixed by connecting means such as screws. Can be easily separated from the top surface.
  • the induction heating cooker 10 is a member on which the rice cooking unit 1 is placed, and is configured in a substantially L shape in a side view of the electric rice cooker 100, for example.
  • the rice cooking unit 1 includes a square (cubic) main body 1A, a lid 1B connected to the main body 1A by a hinge portion (not shown), and a handle (see FIG. 1).
  • inner pot 3 inner pot temperature detecting means 5
  • power feeding means 6 mainly composed of a power feeding coil, power receiving coil 7, lid opening / closing button 8, lid heating means 9A
  • the pot side surface heating means 9B the display means 11 which is an example of the notification means 70, and the second input operation means 12 to which rice cooking conditions and the like are input by the user are provided.
  • Reference numeral 18 denotes an operation unit that measures the weight of rice, which will be described later, and has a plurality of operation keys 18A.
  • One operation key (switch) 18A is a weight measurement start key, and there is also an operation key (switch) 18A for canceling the measurement result.
  • the rectangular case that forms the outline of the rice cooking unit 1 is made of a plastic material.
  • 1F shows a front wall surface
  • 1R shows a right wall surface (right side surface).
  • the main body case 10A that forms the outline of the induction heating cooker 10 is also made of a plastic material.
  • 10F is a front wall surface of the main body case 10A
  • 10R is a right wall surface.
  • the induction heating cooker 10 has, in its internal space, an outside air temperature that detects the temperature of room air such as a cooling fan 13, an induction heating coil 14, a power transmission coil 17, a magnetic shield 19, a control device 50, and a kitchen. Detecting means 15.
  • the induction heating coil is referred to as “heating coil” in the following description.
  • the magnetic shield plate 19 has a metal thin plate layer on the inside and is made of a plastic material on the outside. As shown in FIG. 3, the magnetic shield plate 19 extends from the rear BU to the front FR in plan view, and is largely semicircular on the way. It bends and extends to the rear BU again.
  • the magnetic shield plate 19 defines an outline of the first air passage SH1 for flowing cooling air around the heating coil 14. That is, the magnetic shield 19 itself is one of the partition walls.
  • the “air blowing path” refers to a path on the downstream side with respect to the cooling fan 13, in other words, a path for sending the wind to the outside of the induction heating cooker 10.
  • a path for sucking air from the upstream side of the cooling fan 13, in other words, from the outside of the induction heating cooker 10 is referred to as an “intake path”.
  • Reference numeral 98 denotes a vent, which is formed at the rear end 19A of the magnetic shield plate 19.
  • the cooling air blown out from the cooling fan 13 proceeds from the vent 98 to the front FR side so as to pass through the first air passage SH1, and then turns in the reverse direction and is provided at the rear part on the left side. It is discharged to the outside of the induction heating cooker 10 through an exhaust port (not shown).
  • 47 is a partition wall.
  • the partition wall is formed so as to surround the magnetic shield plate 19 in a semicircular shape while maintaining a space from the periphery of the magnetic shield plate 19, and a space between the partition wall 47 and the magnetic shield plate 19 is a second air passage. SH2.
  • the second air passage HS2 has an inlet for cooling air from the cooling fan 13 on the right side of the rear BU, and has an outlet on the left rear BU side. . And it becomes a U-shaped ventilation path by planar view.
  • the inside of the induction heating cooker 10 is divided forward and backward by the rear portion of the first input operation means 20, and air does not flow in the space on the front FR side and the rear BU side of the partition wall 47. It is like that.
  • the main body 1A of the rice cooking unit 1 is a member that houses the inner pot 3, and a lid 1B and a U-shaped handle (not shown) are attached to the main body 1A. Both ends of the handle are fixed to the left and right side surfaces of the electric rice cooker main body 1 ⁇ / b> A so as to be rotatable, and are used when lifting the whole rice cooking unit 1.
  • the lid 1B is, for example, a square or rectangular member provided in a plan view so as to cover the entire upper surface of the main body 1A.
  • the lid 1B has a planar shape that is almost the same size as the planar shape of the main body 1A.
  • the inner hook 3 is a substantially bottomed cylindrical member having an opening at the top. It is made of a material such as magnetic metal or carbon, and the inner pot 3 is charged with an item to be cooked such as rice.
  • the inner pot temperature detecting means 5 is a temperature detecting means (also referred to as “temperature monitoring means”) for detecting the temperature of the inner pot 3, and is composed of, for example, a thermistor 5A. The thermistor measures the temperature in contact with the outer surface of the inner pot 3, but an infrared temperature sensor 5B that detects the temperature in a non-contact manner may be used. As shown in FIG. 2, the infrared temperature sensor 5 ⁇ / b> B is installed inside the induction heating cooker 10, and receives infrared rays radiated from the inner pot 3 and measures the temperature as indicated by broken arrows.
  • the power supply means 6 is, for example, a power storage means provided on the rear (back) side of the rice cooking unit 1 with respect to the inner pot 3.
  • the power supply means 6 is composed of a secondary battery 95 (see FIG. 8) such as a lead storage battery, a nickel hydride storage battery, or a lithium ion storage battery, for example.
  • the power supply means 6 is not limited to being constituted by the secondary battery 95 but may be constituted by a primary battery such as a dry battery. Thus, when the power supply means 6 is composed of a primary battery, it is desirable to provide the power supply means 6 at a position where it can be easily replaced in consideration of the possibility of frequent replacement of the power supply means 6.
  • the power receiving coil 7 is, for example, a coil provided inside the rice cooking unit 1 and functions to supply power to the power supply means 6 based on the power transmitted from the power transmission coil 17.
  • a method of supplying power to the power supply means 6 in a non-contact manner there are an electromagnetic induction method, a magnetic field resonance method, an electric field coupling method, and the like.
  • an electromagnetic induction method will be described.
  • the lid opening / closing button 8 is configured such that the lid body 1B is opened from the main body 1A by applying a force from the front side to the rear side of the rice cooking unit 1, for example, on the front surface of the main body 1A. Is provided.
  • the lid 1 ⁇ / b> B has a locking mechanism (not shown) with the main body 1 ⁇ / b> A by applying a force from the front side to the rear side of the rice cooking unit 1 to the lid opening / closing button 8. Is released by the force of a spring mechanism (not shown) built in the rear of the lid 1B.
  • the lid heating means 9A is a heating means provided above the inner pot 3, and is provided, for example, inside the lid 1B.
  • the inner hook side surface heating means 9B is a heating means provided on the side of the inner hook 3 and is provided, for example, inside the main body 1A.
  • the display means 11 is composed of two display screens.
  • the two display screens 11 ⁇ / b> A and 11 ⁇ / b> B are display means for displaying various information of the electric rice cooker 100 on the screen, and include, for example, an LCD (Liquid Crystal Display), an organic EL (Electro Luminescence), and the like.
  • the first display screen 11 ⁇ / b> A provided on the lid 1 ⁇ / b> B displays a time during which heat can be kept when the rice cooking unit 1 is removed from the induction heating cooker 10, for example.
  • the first display screen 11 ⁇ / b> A also displays, for example, the power storage state of the power supply unit 6.
  • the first display screen 11A displays the current power storage state within a range of 0% to 100%.
  • the first display screen 11 ⁇ / b> A displays the time required for the charging of the power supply means 6 to be completed.
  • the second display screen 11B arranged on the front surface of the main body 1A displays information such as the weight of rice to be cooked and the optimal amount of water in letters and numbers.
  • the second input operation means 12 is disposed in front of the lid 1B.
  • the 2nd input operation means 12 is an operation means which receives the operation input etc. for performing processes, such as a preheating process, a rice cooking process, and an uneven process, for example.
  • a plurality of push-type input keys are arranged. Details will be described with reference to FIG. Note that a touch-type input key may be provided instead of or in combination with the push-type input key.
  • the first display screen 11A is arranged at the same position as the second input operation means 12. And by the 2nd input operation means 12, a user can input various rice cooking conditions, such as the amount of rice cooking, the brand of rice, the hardness of rice cooking, the rice cooking completion time in the case of reservation rice cooking, and a time zone, and the input result Can be confirmed each time on the first display screen 11A. Details will be described with reference to FIG.
  • the cooling fan 13 is a blowing means for letting the heat generated in the control device 50 constituted by a semiconductor integrated circuit, an electronic circuit, or the like in the induction heating cooker 10 escape into the air.
  • the cooling fan 13 rotates, an air flow from the cooling fan 13 toward the heating coil 14 is generated.
  • the heating coil 14 heats the inner pot 3 itself with the generated magnetic lines of force, and heats the food to be cooked such as rice and water stored in the inner pot 3, for example, the rice cooking unit 1 is induction heated. It is provided so that it may be located under the inner pot 3 while being placed on the cooking device 10.
  • the heating coil 14 is formed by winding a thin copper wire or the like in a donut shape.
  • the power transmission coil 17 supplies power from the induction heating cooker 10.
  • the power transmission coil 17 is located upstream of the heating coil 14 in the air flow of the cooling fan 13. That is, the power transmission coil 17 is positioned on the rear side of the induction heating cooker 10 with respect to the heating coil 14 and is positioned on the front side of the cooling fan 13. Providing the power transmission coil 17 in this manner can reduce the possibility that air heated by cooling the heating coil 14 is supplied to the power transmission coil 17.
  • the magnetic shield 19 is a member that shields the electromagnetic wave emitted from the heating coil 14 from reaching the power transmission coil 17. As described above, the magnetic shield 19 has a certain height so as to surround the three directions except for the rear side of the heating coil 14, and is provided in an annular shape in plan view. The magnetic shield 19 extends upward so as to be close to or in contact with the lower surface of the top plate 22 at the top of the induction heating cooker 10, for example.
  • the magnetic shield 19 is not limited to the example of FIG. 3, and may be provided so as to be positioned at least between the heating coil 14 and the power transmission coil 17. Moreover, what is necessary is just to be provided so that it may be located between the infrared signal transmission / reception part 34 (infrared communication part) and the heating coil 14. FIG. In FIG. 2, the rear end portion 19 ⁇ / b> B located between the power transmission coil 17 and the heating coil 14 is not shown, so that the power transmission coil 17 can be seen.
  • Reference numeral 96 denotes a horizontally-sized plastic partition plate having a large flat area, and the partition plate forms the bottom surface of the first air passage SH1.
  • Reference numeral 96 ⁇ / b> A denotes a through hole formed in the central portion of the partition plate 96. This through hole is formed directly above the infrared temperature sensor 5B that senses the infrared rays emitted from the inner pot 3 and senses the temperature in a non-contact manner, and is opened to allow the infrared rays to pass therethrough.
  • the through hole 96A may be closed with an infrared transmissive glass plate or the like. If it does in this way, since air does not leak downward from this through-hole 96A, the flow of the cooling air in 1st ventilation path SH1 is stabilized.
  • the partition plate 96 defines a lower space 108 surrounded by a magnetic shield plate 19 below the partition plate 96, and an infrared temperature sensor 5B fixed by the support substrate 32 is disposed in this space. Since it is this structure, since the infrared temperature sensor 5B is hard to receive the high heat from the heating coil 14, more accurate temperature detection can be performed.
  • the said outside temperature detection means 15 is for detecting the temperature outside the space where the electric rice cooker 100 is placed.
  • the induction heating cooker 10 is installed on the wall surface of the rear vertical portion 16 that rises perpendicularly to the rear portion.
  • the detected temperature of the outside air temperature detecting means 15 is used for calculation of the heat retention possible time described later together with the detected temperature of the inner pot temperature detecting means 5.
  • the external temperature detection means 15 is provided with the induction heating cooking appliance 10, you may make it provide with the rice cooking unit 1.
  • reference numeral 2 denotes legs arranged one by one at the four corners of the bottom surface of the rice cooking unit 1.
  • a weight sensor 4 is arranged inside the leg, and the weight of the rice cooking unit 1 can be measured in grams. This weight sensor will be described in detail later.
  • 20 is the 1st input operation means arrange
  • various push-type input buttons (keys) are arranged.
  • various conditions such as heating power, cooking menu (boiled water, boiled food, etc.), cooking time, etc. can be input so that the induction heating cooking device 10 can perform induction heating cooking alone.
  • the first input operation means 20 is covered by the rice cooking unit 1 from above as shown in FIGS. It will be in the state.
  • the first input operation means 20 is provided with a display means 70D composed of a liquid crystal display screen, a light emitting element (LED: light emitting diode), etc., and an input result by the first input operation means 20 is displayed at any time.
  • a display means 70D composed of a liquid crystal display screen, a light emitting element (LED: light emitting diode), etc.
  • the protrusion 21 is a protrusion (projection) formed long on the left and right so as to cross the rear side of the first input operation means 20 on the upper surface of the induction heating cooker 10.
  • the protrusion 21 has a length that covers the entire width of the upper surface of the induction heating cooker 10, is formed of a material having heat resistance and elasticity, and the upper surface of the induction heating cooker 10. Are fixed to the upper surface of a top plate 22 formed of heat-resistant glass or the like.
  • this protrusion part is formed, for example from silicon rubber.
  • reference numeral 23 denotes an inner lid for closing the upper surface opening of the inner pot 3 so as to be openable and closable, which is a thin metal plate having good thermal conductivity such as aluminum and having a planar shape in a circular shape.
  • the electric heater which is the lid heating means 9 ⁇ / b> A is disposed on the upper surface of the inner lid 23.
  • the 24 is a seal packing attached around the inner lid 23, which is formed of a material having high heat resistance and elasticity such as silicon rubber. When the lid 1B is closed, the inner hook 3 is sealed by the inner lid 23 and the packing 24.
  • the inner lid 23 is formed with a small hole for steam removal during rice cooking, and a steam discharge passage communicating with the outside of the rice cooking unit 1 is formed so as to penetrate the inside of the lid 1B. .
  • reference numeral 25 denotes an inner body made of a heat-resistant resin or a nonmagnetic metal (for example, aluminum) which is not induction-heated and surrounds the inner pot 3 in close proximity.
  • the electric heater which is the hook side surface heating means 9B is wound.
  • Reference numeral 26 denotes a wireless communication module (wireless communication unit) accommodated in the rear vertical unit 16 so that wireless communication can be performed with local network equipment (including a power command device) installed in the home.
  • local network equipment including a power command device
  • information can be exchanged with a portable information terminal or a communication device at a remote location through an Internet line.
  • the remote control signal with respect to the rice cooking unit 1 can also be received.
  • the wireless communication means for example, well-known means such as Bluetooth (registered trademark), Wi-Fi (registered trademark) can be adopted.
  • reference numeral 27 denotes a support plate that supports the second display screen 11B.
  • Reference numeral 28 denotes a window formed in the inner body portion 25 corresponding to the center of the bottom portion of the inner pot 3, and is covered with a material that transmits infrared rays.
  • a window 29 is provided at a position corresponding to the window, and is formed on the top plate 22.
  • the top plate 22 is usually provided with a coating film or the like on the back (lower) surface that blocks visible light so that the internal structure of the induction heating cooker 10 cannot be seen. Since there is no such coating film, infrared rays are easily transmitted.
  • 30 is a permanent magnet installed on the rear surface of the rice cooking unit 1 so as to correspond to a reed switch 31 (see FIG. 3) which is one of the placement detection sensors arranged inside the rear vertical portion 16. is there.
  • 32 is a support substrate, which supports an infrared temperature sensor 5B constituting the inner pot temperature detecting means 5, and is installed horizontally inside the induction heating cooker 10.
  • Reference numeral 34 denotes an infrared signal transmission / reception unit (also referred to as an “infrared communication unit”) that constitutes a part of the reference position determination unit 33.
  • the infrared signal transmission / reception unit 34 is located outside the magnetic shield 19 and behind the first input operation unit 20. It is arranged at the position.
  • Two or more infrared signal transmission / reception units 34 are installed instead of one, at least one is for infrared signal transmission and at least one other is for infrared signal reception. In that case, if they are installed side by side in an approaching state, windows 37 and 38 described later can be shared, which is advantageous in terms of structure.
  • infrared signal transmission / reception unit also referred to as “infrared communication unit” that constitutes a part of the reference position determination means 33, and is disposed on a vertical extension line of the infrared signal transmission / reception unit 34.
  • infrared communication unit also referred to as “infrared communication unit”
  • two or more infrared signal transmission / reception units 35 may be installed instead of one.
  • 36A is a first signal processing unit that processes (encodes, decodes, etc.) infrared signals.
  • a similar second signal processing unit 36B is also provided on the infrared signal transmitting / receiving unit 34 side.
  • 101 is a power plug, and 102 is a power cord.
  • the functions of the signal processing units 36A and 36B may be performed by the control device 50 or the main control device 80.
  • the infrared signal transmission / reception unit 34 is disposed in an intermediate portion of the second air passage SH ⁇ b> 2 formed between the partition wall 47 and the magnetic shielding plate 19.
  • the power transmission coil 17 is arranged on the most downstream side of the flow of cooling air when viewed from the infrared signal transmitting / receiving unit 34. For this reason, when the cooling air from the cooling fan 13 flows as shown by the broken arrow in FIG. 3, the infrared signal transmitting / receiving unit 34 and the power transmission coil 17 are cooled.
  • Reference numeral 37 denotes a window formed on the top plate 22, which is used for transmitting an infrared signal in the same manner as the window 29.
  • Reference numeral 39 denotes a heat-resistant plastic bottom plate constituting the bottom surface of the rice cooking unit 1 and forms a window 38 for transmitting an infrared signal.
  • Reference numeral 40 denotes a support substrate that supports the infrared signal transmitting / receiving unit 34.
  • the support substrate is horizontally supported with a left end connected to a partition wall 47 described later.
  • 1F is a front wall surface of the main body 1A of the rice cooking unit 1
  • 10F is a front wall surface of the main body case 10A that forms an outline of the induction heating cooker 10.
  • a range 20W in the front-rear direction of the first input operation means 20 is as indicated by a solid arrow. This will be described in detail later.
  • a plurality of push-type electronic switches 41 are arranged in a horizontal line at regular intervals. Each electronic switch 41 can generate a predetermined signal by closing the internal contact when the operation unit 41A at the top is pressed.
  • Reference numeral 41B denotes a pressing rod, which is made of plastic.
  • Reference numeral 42 denotes a circuit board on which each electronic switch 41 is mounted.
  • Reference numeral 43 denotes a protective sheet (or protective plate) formed of a thin and bendable plastic material, which covers the operation portion 41A in a sealed state, and prevents water from entering from above. When this protective sheet 43 is pressed by the user's finger, the operation portion 41A moves downward by a minute dimension and the internal contact of the electronic switch 41 is closed. 44 is a through hole formed in the support frame 45 made of plastic, and has a larger diameter than the outer dimension of the operation portion 41A so as to allow the operation portion 41A to move up and down.
  • the first input operation unit 20 includes a display unit 70D that displays the operation input result. Although not shown, it is composed of a liquid crystal display screen and a light emitting diode element (LED).
  • the LED illuminates the protective sheet 43 of the first input operation means 20 with light from below, displays a specific portion of the protective sheet 43 in red or yellow, and indicates the input result of each electronic switch 41 to the user. indicate.
  • the liquid crystal display screen has a configuration in which an opening is provided in a part of the protective sheet 43, which is covered with a transparent sheet from above, and the liquid crystal display screen faces the opening.
  • the screen display is turned off.
  • the input function of the first input operation means 20 is enabled (when it is first activated, when the invalidation is canceled), it is simultaneously enabled and the display operation is performed.
  • FIG. 5 shows a state during rice cooking, and the rice cooking unit 1 is heavier than the rice cooking unit 1 because predetermined rice and water are accommodated in the inner pot 3.
  • the facing gap G1 between the front wall surface 1F of the main body 1A of the rice cooking unit 1 and the front wall surface 10F of the main body case 10A that forms the outline of the induction heating cooker 10 is about several millimeters. For this reason, the space
  • the same horizontal plane is used.
  • the air gap S communicates with the front and both the left and right sides.
  • the protrusion (projection) 21 narrows the facing distance H (see FIG. 6) between the bottom plate 39 of the rice cooking unit 1 and the upper surface of the first input operation means 20.
  • the hot air generated at a position directly above the induction heating coil 14 behind the protruding portion 21 gets over the protruding portion 21 and passes through the first input operation means 20. Flowing to the side is suppressed. For this reason, when the rice cooking operation is performed, even if the bottom surface of the rice cooking unit 1 is heated to a high temperature by the induction heating coil 14, the portion of the first input operation means 20 is suppressed from being overheated.
  • the portion of the first input operation means 20 is hot, and another heating by the induction heating cooker 10 immediately. The situation that cooking cannot be started is not invited.
  • 20 W indicates the width in the front-rear direction of the first input operation means 20 and is about 50 mm to 70 mm.
  • the weight sensor 4 is fixed to the upper surface of the bottom plate 39, and although not shown, a strain sensor 4S is disposed directly above the thick columnar leg 2.
  • the weight can be measured by the output from the strain sensor 4S according to the force of pressing the strain sensor 4S by the leg 2, that is, the weight of the rice cooking unit 1.
  • a weight sensor using such a strain sensor 4S has been proposed for a long time, and a detailed description thereof will be omitted.
  • Reference numeral 46 denotes a through-hole formed in the bottom plate 39 and has a size (caliber) that allows the leg 2 to move up and down.
  • the state shown in FIG. 5 is a state in which the rice cooking unit 1 is placed and performing the rice cooking operation, but the state shown in FIG. 6 is the state of the inner pot 3 although the rice cooking unit 1 is placed. Inside, it contains only rice and is light because it does not contain the required amount of water. For this reason, the facing distance G2 is larger than the facing distance G1.
  • FIG. 7 is a plan view of the front half portion of lid 1B of electric rice cooker 100 according to Embodiment 1.
  • FIG. A first display screen 11A composed of a liquid crystal display screen or the like is disposed substantially at the center of the left and right sides of the lid 1B.
  • the time, the rice seed display unit 60, the hardness display unit 61, and the menu display unit 62 are displayed. Further, on the left side outside the first display screen 11A, a rice seed switch 63, a hardness switch 64, a menu switch 65, and a turn-off / heat retention switch 66 are provided, and outside the first display screen 11A. On the right side, a rice cooking switch 67, a reservation switch 68, and a time switch 69 are provided. After the rice cooking operation is started, when the cut / heat retention switch 66 is pressed, a command signal for stopping rice cooking is issued to the control device 50.
  • the control program is such that the heat retaining process is automatically executed by the control device 50 within a certain time following the unevenness process.
  • the 12V is a switch for selecting the voice input mode. When this switch is pressed, a guidance “switched to voice input mode” is issued from the voice notification means 90V described later, and the voice input mode can be input thereafter. If the switch 12V is pressed again, the voice input mode is canceled.
  • the voice notification means 90V gives a guidance “The voice input mode has been canceled”.
  • the voice input mode is an example of a voice input unit.
  • 91 is a wireless communication unit (input / output means) that performs near field communication (NFC), and can perform communication when an information processing terminal equipped with an NFC function approaches or comes into contact.
  • NFC near field communication
  • the rice seed switch 63 is an input means for setting the type of rice to be cooked. Each time the rice seed switch 63 is pressed, the display on the rice seed display unit 60 is switched to “white rice”, “non-washed rice”, “brown rice”, or “germinated brown rice”. Information regarding the type of rice set by the rice type switch 63 is input to the control device 50 described later.
  • the rice brand switch 63 is written together with the brand name, but the specific brand name of rice can be specified with this switch 63, but there are two types of input functions (brand name and rice brand) by pressing the switch 63. Only one of them can be selected. Detailed description is omitted.
  • the hardness switch 64 is an input means for setting the hardness of cooking. Each time the hardness switch 64 is pressed, the display of the hardness display unit 61 is switched to “warming”, “normal”, or “soft” correspondingly. Information regarding the hardness of the cooked content input to the hardness switch 64 is input to the control device 50, and the control device 50 selects the hardness of the cooked content. When “Kurare” is set, the rice cooking operation is performed in a “hard mode” to be described later, and when “Soft” is set, the rice cooking operation is performed in a “soft rice mode” to be described later. In the first embodiment, the hardness switch 64 and the control device 50 constitute a hardness selection unit. In “normal”, the rice cooking operation is performed in “normal (standard) mode”.
  • the electric rice cooker described in the first embodiment and the following embodiments has two types of cooking: “soft rice mode” and “hard rice mode” in which rice is cooked harder than this soft rice mode. It shall be possible.
  • Menu switch 65 is an input means for setting a rice cooking menu. Each time the menu switch 65 is pressed, the display content of the menu display unit 62 is switched to “risotto”, “rice porridge”, or “cooking”. Information regarding the rice cooking menu set by the menu switch 65 is input to the control device 50.
  • the off / heat retention switch 66 is an input means for switching the end / start of the heat retention operation
  • the rice cooking switch 67 is an input means for instructing the start of rice cooking
  • the reservation switch 68 is an input means for setting a rice cooking reservation
  • a time switch 69 Is an input means for setting a time such as the current time or a reservation time. Information set by the off / heat keeping switch 66, the rice cooking switch 67, the reservation switch 68, and the time switch 69 is input to the control device 50.
  • the various switches 63 to 69 constitute pressing input means 12P (see FIG. 9). Note that when a touch switch is used instead of the push switches 63 to 69, the touch input means 12T is obtained. In FIG. 9 to be described later, the touch input means 12T is also illustrated.
  • reference numeral 80 denotes a main control unit, which is configured with a microcomputer as a core, and includes storage means 80R such as a semiconductor storage device (flash memory, ROM, RAM), and time measuring means (clock circuit). ) Built-in 80T.
  • storage means 80R such as a semiconductor storage device (flash memory, ROM, RAM), and time measuring means (clock circuit).
  • the power supply unit 72 is supplied with commercial power via the power cord 102 and the plug 101.
  • the power supply unit 72 includes a rectifier circuit and the like, and has a function of converting the power into a predetermined voltage.
  • Reference numeral 73 denotes an inverter circuit, which receives power from the power supply unit 72 to generate high-frequency power and supply it to the induction heating coil 14.
  • Various electric components such as a semiconductor power control element and a switching element are mounted on a substrate (not shown) of the inverter circuit.
  • Reference numeral 20 denotes the first input operation means, which uses the push-type electronic switch 41 as a push-type input means.
  • the 70 is a notification means, and includes a display means 70D and a voice notification means 70V such as a voice synthesizer.
  • the display unit 70D includes a liquid crystal display screen and a semiconductor light emitting element (such as an LED).
  • the state and conditions (for example, heating power value, heating time) of the induction heating operation can be displayed with letters, numbers, figures, and the like.
  • the sound notification means 70V includes a buzzer and a speaker that emit a sound.
  • the display unit 70 ⁇ / b> D is arranged at a place where the first input operation unit 20 is located, so that when the user operates the first input operation unit 20, the input result can be confirmed immediately. I have to.
  • 74 is a top plate temperature detecting means for measuring the temperature of the top plate 22 in contact with the top plate 22, and for example, a thermistor is used.
  • the temperature detection result data is transmitted to the main controller 80.
  • the heated object temperature detecting means 5B is composed of an infrared temperature sensor 5B that receives infrared rays emitted from the outer surface of the inner pot 3 and measures the temperature. Yes. Since this temperature sensor can also measure the temperature of a general pan or frying pan other than the rice cooking unit 1, the temperature of an object to be heated (such as a general metal pan) can be controlled by the main controller 80.
  • reference numeral 50 denotes a control device, which is configured with a microcomputer as the core, and includes storage means 50R such as a semiconductor storage device (flash memory, ROM, RAM), and time measuring means (clock circuit) for calculating time. Built-in 50T.
  • storage means 50R such as a semiconductor storage device (flash memory, ROM, RAM), and time measuring means (clock circuit) for calculating time.
  • clock circuit time measuring means
  • a computer program for cooking rice that controls the overall rice cooking control operation including conditions such as the thermal power and energization time, target heating temperature, etc., such as the water absorption process and the rice cooking (boiling) process, and a computer program for weight measurement that measures the weight of the rice,
  • a self-inspection program, a computer program program for coping with an abnormality, and a data table for various controls are stored in the storage means 50R.
  • Reference numeral 93 denotes a sensor that detects the opening of the lid 1 ⁇ / b> B, and is installed in the vicinity of the lid opening / closing button 8. When the mechanical lock of the lid 1 ⁇ / b> B is removed, a lid opening signal is transmitted from this sensor to the control device 50.
  • the weight measuring means 94 includes the four weight sensors 4 described above and a processing circuit (not shown) that calculates the weight of the rice cooking unit 1 based on the output voltages from these sensors.
  • Reference numeral 12 denotes the second input operation means, which uses various push-type switches 63 to 69 provided on the lid 1B as the push-type input means 12P.
  • the speech synthesizer 90 is a notification means, and includes a first display screen 11A, a second display screen 11B, and a voice notification means 90V such as a voice synthesizer.
  • the speech synthesizer 90V includes a buzzer and a speaker that emit sound.
  • 5A is a thermistor that contacts the inner pot 3 and measures its temperature, and data of the temperature detection result is transmitted to the control device 50 each time.
  • the 95 is a secondary battery that constitutes the power supply means 6, for example, a lead storage battery, a nickel hydride storage battery, a lithium ion storage battery, or the like.
  • the power supply means 6 is not limited to the secondary battery 95 and may be a primary battery such as a dry battery.
  • the reference position determination means 33 determines whether or not the rice cooking unit 1 is placed at a predetermined position of the induction heating cooker 10. The determination result of the reference position determination means 33 is output to the control device 50. Note that the control device 50 may have the function of the reference position determination unit 33.
  • the reference position determination means 33 includes two means. One is a permanent magnet 30 (see FIG. 2) installed on the rear surface of the rice cooking unit 1 and a reed switch 31 (see FIG. 8) provided on the rear vertical portion 16 (which is one of the placement detection sensors). It is a combination. The other is a combination of a pair of infrared signal transmission / reception units 34 and 35 as described above.
  • the reference position determination means 33 may adopt, for example, a configuration that determines whether or not the resistance value when a current is passed through the heating coil 14 is equal to or greater than the reference resistance value. Specifically, for example, when the control device 50 determines that the resistance value when the current flows through the heating coil 14 is greater than or equal to the reference resistance value, the rice cooking unit 1 is the top plate 22 of the induction heating cooker 10. It is determined that it is in the correct position above. Moreover, when the control apparatus 50 determines with the resistance value in the case where an electric current is sent through the heating coil 14 being less than the reference resistance value, the rice cooking unit 1 is removed from the induction heating cooker 10. judge.
  • the reference position determination means 33 may be configured to determine whether or not the rice cooking unit 1 is attached to a predetermined position of the induction heating cooker 10 based on the temperature detected by the infrared temperature sensor 5B. In this case, for example, when the temperature detected by the infrared temperature sensor 5B is equal to or higher than the threshold temperature, the control device 50 is likely to have the rice cooking unit 1 attached to the induction heating cooker 10, It determines with the rice cooking unit 1 being mounted in the predetermined position. When the detected temperature of the infrared temperature sensor 5B is lower than the threshold temperature, it is highly likely that the rice cooking unit 1 has been removed from the induction heating cooker 10, and therefore it is determined that the rice cooking unit 1 is not placed. To do.
  • control apparatus 50 is not limited to the structure provided with the memory
  • the storage unit 50R and the timing unit 50T may be configured separately from the control device 50, and the outputs of the storage unit 50R and the timing unit 50T may be input to the control unit 50.
  • the voice (guide voice) is output at a preset volume or a volume set by the user. Also, the volume can be set in multiple stages.
  • the control device 50 for example, based on the detected temperature of the thermistor 5 ⁇ / b> A that is the temperature detecting means of the inner pot 3, the threshold temperature stored in advance in the control apparatus 50, and the detected temperature of the outside air temperature detecting means 15, Is calculated from the initial temperature to a temperature lower than the threshold temperature, the warming time is determined, and the warming time is displayed on the first display screen 11A.
  • the detected temperature of the thermistor 5A is higher than the threshold temperature, when the rice cooking unit 1 is removed from the induction heating cooker 10, the time until the temperature of the inner pot 3 reaches the threshold temperature becomes longer. The possible time is set longer.
  • the first display screen 11 ⁇ / b> A displays the heat retention time, thereby prompting the user to eat the food to be cooked (rice) quickly, or the rice cooking unit 1 to the induction heating cooker 10. It can be urged to return to step 2 and keep the food to be cooked (rice) warm. Therefore, it is possible to reduce the possibility that the temperature of the cooked rice falls below the threshold temperature stored in advance in the control device 50 and the taste of the cooked rice deteriorates.
  • FIG. 10 is a diagram illustrating an example of a temperature change accompanying a time change of the electric rice cooker 100 according to Embodiment 1 of the present invention.
  • the horizontal axis in FIG. 10 indicates time, and the vertical axis indicates the temperature of the inner pot 3.
  • the temperature of the inner pot 3 is, for example, the temperature detected by the thermistor 5A which is the inner pot temperature detecting means 5.
  • the preheating step is executed, the rice cooking step is executed, and the unevenness step is executed after the rice cooking step is executed, the temperature of the inner pot 3 in the rice cooking step There is a time zone when the change is steep.
  • the electric power supplied to the heating coil 14 increases.
  • the main controller 80 gives the power to the power transmission coil 17 in order to prioritize the heating of the cooking object (rice and water) over the power feeding of the power feeding means 6. It is recommended to stop the power supply. Specifically, for example, the main controller 80 stops the power supply to the power transmission coil 17 and the change per unit time of the inner pot 3 when the change temperature per unit time of the inner pot 3 is equal to or higher than a predetermined value. When the temperature is lower than the predetermined value, the power supply to the power transmission coil 17 is continued. Thus, possibility that the temperature rise of the to-be-heated material in a rice cooking process may be prevented can be reduced.
  • the main controller 80 is not limited to the example of determining whether to stop the power supply to the power transmission coil 17 based on the temperature of the inner hook 3.
  • the main controller 80 stops the power supply to the power transmission coil 17 and the current value supplied to the heating coil 14 when the current value supplied to the heating coil 14 is greater than or equal to the threshold current value. Is less than the threshold current value, the power supply to the power transmission coil 17 is continued.
  • the control apparatus 50 of the rice cooking unit 1 and the main control apparatus 80 of the induction heating cooking appliance 10 are between the infrared signal transmission / reception part 34 and the infrared signal transmission / reception part 35.
  • the latest control data is always transmitted and received at least during the rice cooking operation (from the preheating process to the uneven process), and the rice cooking unit 1 and the induction heating cooker 10 cooperate with each other by infrared communication. It is carried out.
  • infrared communication is also performed during that period, and the temperature of the inner pot 3 of the rice cooking unit 1 is periodically controlled by the main control of the induction heating cooker 10. You may monitor with the apparatus 80.
  • FIG. 11 is a diagram for explaining the mutual operational relationship between the rice cooking unit 1 and the induction heating cooker 10 of the present invention.
  • the operation steps after the power plug 101 of the induction heating cooker 10 is connected to the commercial power supply 71 are indicated by symbols SP1 to SP6.
  • FIG. 12 shows the operation steps of the induction heating cooker 10. The operation steps are indicated by S1 to S12.
  • the reed switch 31 is turned on (closed) if the rice cooking unit 1 is placed at the correct position (S1).
  • the main control device 80 can detect the infrared temperature sensor 5B and other current sensors (see FIG. (Not shown), a self-check is started to check whether there is any abnormality in the internal components of the induction heating cooker 10 (S2).
  • the main controller 80 drives the power transmission coil 17 and starts supplying predetermined power.
  • the notification means 70 is also activated (S3).
  • the cooling fan 13 is started to operate in the “weak” mode (S4). For this reason, the power transmission coil 17 is cooled by the cooling air.
  • the main controller 80 knows that the rice cooking unit 1 is placed at the correct position by turning on the reed switch 31, but the main controller 80 is The determination means (B) 33 is driven. Then, an infrared signal is transmitted from the infrared signal transmission / reception unit 34 toward the infrared signal transmission / reception unit 35 (S5).
  • the reference position determination means 33 receives the response signal, and finally confirms that the rice cooking unit 1 is placed at the correct position. (S6). If the infrared signal is transmitted from the infrared signal transmission / reception unit 34 to the infrared signal transmission / reception unit 35 and there is no predetermined response signal instantaneously, the rice cooking unit 1 is not placed at the correct position, Or the case where the cooking liquid at the time of the last cooking dripped on the upper surface of the window 37, becomes dirty and adheres, and the infrared communication is prevented is assumed. In either case, an error occurs on the main controller 80 side.
  • step S6 the process proceeds to the abnormality handling step shown in FIG. 16, which will be described later.
  • the main controller 80 performs a process of invalidating the input command signal generation from the first input operation means 20. Specifically, the signal for generating the input signal of the first input operation means 20 is blocked so that the input signal is not generated, but the invalidating means is not limited to this method.
  • the notification means 70 such as the voice notification means 70V notifies that the rice cooking operation will be performed from now on (S8).
  • the next step S9 in order to determine whether or not the rice cooking unit 1 has been instructed to start cooking, a standby state is entered. After placing the rice cooking unit 1, it takes time to actually start cooking rice, such as adjusting the amount of water in the inner pot 3. Therefore, the standby time is measured by the time measuring means 80T (S10).
  • the main controller 80 issues a drive stop command for the power transmission coil 17 and stops the operation of the cooling fan 13 (S14).
  • the notification means 70 such as the voice notification means 70V notifies that the rice cooking operation has been canceled (S15).
  • a predetermined time T2 for example, 61 minutes
  • main controller 80 cancels the invalidation processing of the input operation unit from first input operation means 20 (S17).
  • the main controller 80 automatically shuts off the main power supply by itself and operates in consideration of safety so that the heating operation is not performed carelessly.
  • step S19 of a rice cooking process start the main control apparatus 80 acquires the information of rice cooking conditions by communication between the infrared signal transmission / reception parts 34 and 35 from the rice cooking unit 1 (S20). For example, what is necessary is just to acquire the data which show the heating time for rice cooking, the amount of rice cooking, etc.
  • the cooling fan 13 is changed to the “strong” operation mode, and the inverter circuit 73 is driven (S22).
  • the main control device 80 starts measuring elapsed time to grasp the rice cooking time (S23), and transmits information indicating the rice cooking conditions to the power command device (not shown) via the wireless communication unit 26.
  • “Cooking conditions” refers to the heating time for cooking rice, the maximum power consumption, the amount of cooking rice, and the like.
  • step S23 may be omitted.
  • the main controller 80 subsequently performs determinations and checks in steps S26, S27, S28, and S29.
  • the reference position determination means 33 is driven again during rice cooking (S25), and it is checked whether the rice cooking unit 1 is placed at regular time intervals (S26).
  • a drive stop command for the power transmission coil 17 is issued (S31). Then, the drive of the inverter circuit 73 is stopped (S32). Further, the notification means 70 notifies the start of the unevenness process (S33).
  • the measurement of the elapsed time is started to grasp the unevenness time (S34), and when a predetermined unevenness process time (for example, 5 minutes or 10 minutes) has elapsed (S35), the operation of the cooling fan 13 is stopped ( S36).
  • a predetermined unevenness process time for example, 5 minutes or 10 minutes
  • the operation of the cooling fan 13 is stopped ( S36).
  • the heating coil 14 is sufficiently cooled at this stage, and the temperature of the top plate 22 is 40 ° C. to 50 ° C. or less.
  • main controller 80 cancels the invalidation processing of the input operation unit from first input operation means 20 (S37). Then, main controller 80 automatically shuts off the main power supply itself, and performs an operation in consideration of safety so that the heating operation is not performed carelessly (S38).
  • main controller 80 since it demonstrated that it was a control program in which the heat retention process is automatically performed in the control apparatus 50 within a certain time following the unevenness process, the rice cooking unit 1 is used as it is. If it is left on the induction heating cooker 10, in fact, after the unevenness process, for example, the heat retention process continues for one hour, during which the reference position determination means 33 is driven (step S25). Reference), it is checked whether or not the rice cooking unit 1 is placed at regular time intervals.
  • the operation steps shown in FIG. 16 are those after “No” determination is made in step S6 shown in FIG. That is, since the reference position determination result is NG (non-conforming), the reference position determination is performed again.
  • step SA1 the notifying means 70 notifies that the reference position determination result is NG (nonconforming). Specifically, it suggests to the user that the rice cooking unit 1 is not placed in the correct position or that the window 37 is dirty, and prompts the user to clean or check the window.
  • step SA4 If the determination of the reference position in step SA4 does not result in “Yes” within a predetermined time T4 (for example, 5 minutes or 10 minutes), the power transmission coil 17 and the cooling fan 13 are operated as shown in step SA7. Then, the notification means 70 gives a sound notification such as “Cannot proceed to the rice cooking operation, so the operation will be stopped”, automatically shuts off the main power supply (SA9), and ends the series of operations. That is, when it cannot correct within the fixed grace period (time T4), the 2nd process which forcibly stops driving
  • the operation step in FIG. 16 does not include the processing (S7) for invalidating the input command operation from the first input operation means 20 as described in FIG. This is because it is a stage before such processing (step S6).
  • FIG. 17 shows operations after “No” determination is made in step S26 shown in FIG. That is, in the process after starting the rice cooking operation, the reference position determination result is NG (non-conforming), so the reference position determination is performed again.
  • step SB1 main controller 80 temporarily stops driving of inverter circuit 73. Further, for example, the notifying means 70 performs voice guidance such as “The rice cooking unit 1 is not correctly placed, so please set it in the correct position” (SB2).
  • step SB3 it is determined whether 15 minutes have passed since the inverter circuit 73 was started to drive. For example, when only 10 minutes have passed since the induction heating was started, the state of the inner pot 3 is a preheating process, so even if the heating is stopped at this time, there is no problem if the rice is cooked again later. Therefore, if 15 minutes have not elapsed in SB3, the process proceeds to step SB9.
  • step SB9 the power transmission coil 17 and the cooling fan 13 are stopped, and the notification means 70 informs that the rice cooking operation has been stopped halfway (SB10). Then, the process of invalidating the input command operation from the first input operation means 20 (S7 in FIG. 12) is canceled (SB11).
  • the main controller 80 shuts off the main power supply itself (SB12), and completes a series of operations. Since there is a possibility that the top plate 22 is at a high temperature due to the heating coil 14, the timing of stopping the operation of the cooling fan 13 is delayed by a predetermined time (for example, several minutes) in the step SB9, and the induction heating cooker 10 You may make it stop, after reducing the temperature of this.
  • step SB3 in which it is determined whether or not 15 minutes have elapsed since the inverter circuit 73 started to be driven. If 15 minutes have elapsed, the process proceeds to step SB5.
  • the operation shown in FIG. 18 is the one after “No” determination is made in step S28 shown in FIG. That is, in the process after starting the rice cooking operation, this corresponds to a case where a rice cooking stop command is issued from the rice cooking unit 1 side for some reason. This is a case where the off / warming switch 66 of the second input operation means 12 shown in FIG. 7 is pressed.
  • step SD1 main controller 80 temporarily stops driving of inverter circuit 73.
  • step SD ⁇ b> 2 the notification unit 70 performs voice guidance such as “an operation for stopping the rice cooking operation has been performed”.
  • the inverter circuit 73 started to be driven (SD3). For example, if 25 minutes have passed since the induction heating started, the state of the inner pot 3 is already in the boiling process, so if the heating is stopped at this point, even if rice cooking starts again after the rice has cooled once There is a concern that the cooked rice results will not be obtained and the rice will have poor taste.
  • SD3 inverter circuit 73 started to be driven
  • informing means 70 performs voice guidance such as “Please set the rice cooking unit immediately and press the rice cooking button (rice cooking switch 67) again”.
  • step S29 When the command to press the rice cooking button (rice cooking switch 67) is issued within 1 minute from the notification of SD8 (SD9), the driving of the inverter circuit 73 is resumed, and the process proceeds to step S29.
  • step SD5 the notification unit 70 performs voice guidance such as “stops the rice cooking operation halfway” (SD5), and stops driving the power transmission coil 17 and the cooling fan 13 (SD6). Then, the main power supply is automatically shut off (SD7), and the series of operations is terminated.
  • voice guidance such as “stops the rice cooking operation halfway” (SD5), and stops driving the power transmission coil 17 and the cooling fan 13 (SD6). Then, the main power supply is automatically shut off (SD7), and the series of operations is terminated.
  • step S27 shown in FIG. 14 If “No” determination is made in step S27 shown in FIG. 14, that is, if an abnormality is detected, the process proceeds to a predetermined abnormality handling step SC1. Depending on the content of the abnormality, a countermeasure such as immediately stopping the inverter circuit 73 is executed.
  • FIG. 19 shows operation steps on the rice cooking unit 1 side.
  • the operation steps of the rice cooking unit 1 are indicated by SR1 to SR16.
  • the power reception coil 7 starts to be driven by the power transmission coil 17. Even if the user does not operate the second input operation means 12 of the rice cooking unit 1, the control device 50 is abnormal in the internal components of the rice cooking unit 1 due to the thermistor 5 ⁇ / b> A and other current sensors (not shown). A self-check is started to check whether there is any (SR2).
  • the control apparatus 50 knows that the rice cooking unit 1 is mounted in the correct position, but next, the infrared signal from the infrared signal transmission / reception unit 34 of the induction heating cooker 10 is The infrared signal transmitting / receiving unit 35 receives the response signal, and transmits a response signal to the infrared signal transmitting / receiving unit 34 (SR3).
  • the first display screen 11A of the lid 1B is activated, and the second display screen 11B is not activated (SR4). This is because it is not yet the stage for measuring the weight of rice, and it is not necessary to activate and display the second display screen 11B, and it also saves energy.
  • step SR4 for example, the notifying means 90 performs a voice guide that “cooking rice will start”.
  • the control apparatus 50 reads the latest rice cooking conditions used by the last rice cooking from the memory
  • the rice cooking conditions read out are displayed on the first display screen 11A.
  • the switch 63 may be pressed. If you press once, “Non-washed rice”, if you press twice, the selection frame advances to the next candidate in sequence, such as “germinated brown rice”. Can be selected (SR6).
  • the control device 50 activates the second display screen 11B and displays that the weight of rice can be measured. Further, the sound notification means 90V is also notified (SR9).
  • the second display screen 11B and voice notification means 90V are used for guidance according to the measured result (SR9). This step will be described in detail later.
  • the voice notification means 90V for example, “The weight measurement result of rice was 300 g. I'm going to start cooking rice. " The second display screen 11B finishes the display operation (turns off) (SR10).
  • the final rice cooking conditions such as “White rice, how to cook..., the expected cooking time is 18:50” are performed with voice guidance (SR11).
  • the control device 50 estimates that there is no user canceling operation, and transmits a predetermined “rice cooking command signal” to the induction heating cooker 10.
  • the command signal in this case is transmitted from the infrared signal transmission / reception unit 35 to the infrared signal transmission / reception unit 34 (SR12).
  • the “rice cooking command signal” here is not a control program for determining details of the rice cooking process. If basic data indicating the amount, type, brand, etc. of rice is sent, induction heating for rice cooking using computer software (rice cooking control program) stored in the storage means 80R of the main controller 80 based on it The energization control of the coil 14 can be executed. However, you may transmit directly the control program itself which confirms the detail of a rice cooking process.
  • SR13 it is determined whether or not the preheating process is completed. If it is determined that the preheating process is completed, the process proceeds to the next step (SR14), and the infrared signal transmitting / receiving unit 35 indicates that the preheating process is completed. A signal is transmitted by infrared rays (SR14).
  • SR15 it is determined whether or not the rice cooking process is finished (SR15), and if it is determined that the rice cooking process is finished, the process proceeds to the next step (SR16), indicating that the rice cooking process is finished from the infrared signal transmitting / receiving unit 35.
  • a signal is transmitted by infrared rays (SR16).
  • the notification means 90 on the side of the rice cooking unit 1 displays the end of rice cooking (end of unevenness) even on the first display screen, and the notification means 90 also notifies by voice that rice cooking has been completed and the unevenness process has been completed. (SR19). A series of rice cooking operations are completed by the above steps.
  • FIG. 21 is a diagram for explaining in detail between steps SR9 to SR10 in FIG.
  • Step SR9 includes steps SR9A to SR9M shown in FIG.
  • the voice notification means 90V notifies that the mode is automatically switched to the voice input mode.
  • This voice guide includes an explanation of putting only rice in the inner pot 3 and measuring the weight with the lid 1B open. Then, the mode is automatically switched to the voice input mode (SR9B).
  • the notifying means 90 performs voice guidance asking whether or not the user desires a mode for measuring the weight (SR9C). Depending on the user who is proficient in cooking rice, the amount of water can be adjusted to an appropriate level by experience. , A voice is input through a microphone provided at an appropriate location on the lid 1B, and the process proceeds to a normal step SR10. At the same time, the voice input mode is automatically canceled.
  • step SR9C when the user utters that the weight measurement mode is desired, the control device 50 determines whether or not the lid 1B is open (SR9D). This determination is performed by the control device 50 determining the output from the lid opening sensor 93. In addition, when the lid 1B is not opened, it may be guided by voice so as to be opened by the voice notification means 90V.
  • the control device 50 calculates the weight of the whole rice cooking unit 1 from the measured values of the four weight sensors 4 by the weight measuring means 94 (SR9F ).
  • the measurement result is notified by voice (SR9G).
  • the amount of water corresponding to the weight is calculated, and the result is notified by the voice notification means 90V (SR9H).
  • the weight measuring means 94 determines whether the appropriate weight and the current weight are in the process of injection. The deviation is calculated and notified by voice (SR9K).
  • a voice notification that the voice input mode is automatically released is provided.
  • the notification is made on the means 90V and the second display screen 11B, and the process proceeds to step SR10. That is, when the adjustment of the amount and type of rice, the brand, the amount of water, etc. is finally finished, the fact that the appropriate amount of water has been measured is notified by the voice notification means 90V and the second display screen 11B (SR10).
  • next step SR11 it is recommended to press the rice cooking switch 67 by voice, and the voice notification means 90V, for example, starts cooking rice with “white rice, how to cook....
  • the expected cooking time is 18:50 Voice guidance like “Min.” Is performed (SR11).
  • the voice input mode is automatically set at the stage of measuring the weight of rice and injecting water, the user can concentrate on the operation of adding water, and the lid 1B is opened or closed. Thus, the operation of confirming the first display screen 11A can be avoided, and the effect of improving the convenience for the user can be expected.
  • the electric rice cooker 100 of the first invention is realized by the following configuration. That is, the electric rice cooker 100 in Embodiment 1 is An induction heating cooker 10 provided with a heating coil 14 and a first input operation means 20 which is located in front of the heating coil 14 and inputs heating conditions; A rice cooking unit 1 that includes an inner pot 3 that contains a cooked rice and is heated by the heating coil 14, and a second input operation means 12 that inputs rice cooking conditions; The rice cooking unit 1 covers the top of the first input operation means 20 in a state where the rice cooking unit 1 is placed at a predetermined position of the induction heating cooker 10, The induction heating cooker 10 has a cooling fan 13 for supplying cooling air for cooling the heating coil 14, and the induction heating cooker 10 and the rice cooking unit 1 for cooking rice.
  • An infrared communication unit 34 for transmitting an infrared signal including control information and a power transmission coil 17 that supplies power to the power receiving coil 7 provided in the rice cooking unit 1 in a non-contact manner are provided, respectively, and cooling from the cooling fan 13
  • the infrared communication unit 34 is provided on the upstream side of the flow of the cooling air, and the downstream side It is the structure by which the said power transmission coil 17 is arrange
  • the electric rice cooker 100 which concerns on 2nd invention was implement
  • a power transmission coil 17 for supplying power to the rice cooking unit 1 in a non-contact manner A partition wall (magnetic shield plate) 19 that partitions the internal space of the induction heating cooker 10 is provided, and an air passage (first air passage) that guides the cooling air from the cooling fan 13 toward the heating coil 14 through the partition wall 19. Partitioning SH1), The infrared communication unit 34 is arranged on the opposite side of the heating coil with the partition wall (magnetic shield plate) 19 in between.
  • the heat cooking system which concerns on 4th invention was implement
  • the rice cooking unit 1 includes second input operation means 12 for setting rice cooking conditions,
  • the rice cooking unit 1 covers the upper side of the first input operation means 20 in a state where the rice cooking unit 1 is placed at a predetermined position of the induction heating cooker 10,
  • the induction heating cooker 10 includes an infrared communication unit 34 for exchanging information necessary for rice cooking control between the cooling fan 13 that supplies cooling air to the heating coil 14 and the rice cooking unit 1.
  • the induction heating cooker 10 confirms the placement of the rice cooking unit 1 by the infrared communication unit 34 before starting the rice cooking process by the rice cooking unit 1, and then the second input operation means 12.
  • the main control device 80 that permits input operation is provided.
  • overheating of the infrared communication unit of the induction cooking device can be prevented by cooling air from the cooling fan, and before the rice cooking process by the rice cooking unit is started, the infrared signal is used to Confirm the placement of the rice cooking unit, and then allow the input operation of the input operation means of the rice cooking unit, so allow the rice cooking when the predetermined rice cooking unit is placed in the regular position, improve safety It is something that can be done.
  • the electric rice cooker 100 in Embodiment 1 was equipped with the following characteristic structures. That is, the electric rice cooker 100 of Embodiment 1 is An induction heating cooker 10 having a top plate 22 on the upper surface, and a rice cooking unit 1 in which the built-in inner pot 3 placed in proximity to or in contact with the top plate 22 of the induction heating cooker 10 is induction heated. And comprising The induction heating cooker 10 includes a heating coil 14 that induction-heats the inner pot 3 and a first input operation that is located in front of the heating coil 14 in order to set the energization conditions of the heating coil 14.
  • the rice cooking unit 1 includes second input operation means 12 for setting rice cooking conditions, In the state where the rice cooking unit 1 is placed on the induction heating cooker 10, the rice cooking unit 1 covers the upper side of the first input operation means 20.
  • the induction heating cooker 10 confirms the placement of the rice cooking unit 1 by the infrared signal before starting the rice cooking process by the rice cooking unit 1, and thereafter performs an input operation of the first input operation means 20.
  • the main controller 80 to be invalidated is provided.
  • the electric rice cooker 100 having this configuration, before the rice cooking process by the rice cooking unit 1 is started, the placement of the rice cooking unit 1 is confirmed by the infrared signal, and then the first input of the induction heating cooker 10 is performed. Since the input operation of the operation means 20 is invalidated, it is possible to prevent an inadvertent input operation from being performed by the first input operation means 20 when the predetermined rice cooking unit 1 is used.
  • the electric rice cooker 100 in Embodiment 1 was equipped with the following characteristic structures. That is, the electric rice cooker 100 of Embodiment 1 is An induction heating cooker 10 having a top plate 22 on the upper surface, and a rice cooking unit 1 in which the built-in inner pot 3 placed in proximity to or in contact with the top plate 22 of the induction heating cooker 10 is induction heated. And comprising The induction heating cooker 10 includes a heating coil 14 that induction-heats the inner pot 3 and a first input operation that is located in front of the heating coil 14 in order to set the energization conditions of the heating coil 14.
  • the rice cooking unit 1 includes second input operation means 12 for setting rice cooking conditions, In the state where the rice cooking unit 1 is placed on the induction heating cooker 10, the rice cooking unit 1 covers the upper side of the first input operation means 20. Between the first input operation means 20 and the heating coil 14, a gap S is formed between the upper surface of the induction heating cooker 10 and the lower surface of the rice cooking unit 1. A rice cooking process is performed between the rice cooking unit 1 and the induction heating cooker 10 on the opposite portion between the bottom surface of the rice cooking unit 1 and the top plate 22 of the induction heating cooker 10 behind the gap S.
  • the induction heating cooker 10 confirms the placement of the rice cooking unit 1 by the infrared signal before starting the rice cooking process by the rice cooking unit 1, and thereafter performs an input operation of the first input operation means 20.
  • a main controller 80 to be disabled, Furthermore, when the main controller 80 of the induction heating cooker 10 detects that the rice cooking unit 1 has finished a predetermined rice cooking process by the infrared signal, the input operation is invalid in the first input operation means 20. It cancels the state which is made into.
  • the electric rice cooker 100 having this configuration, overheating of the first input operation means 20 disposed in the upper front portion of the induction heating cooker 10 can be prevented by the gap S, and the rice cooking unit.
  • the placement of the rice cooking unit 1 is confirmed by the infrared signal, and thereafter the input operation of the first input operation means 20 of the induction heating cooker 10 is invalidated.
  • the rice cooking unit 1 it is possible to prevent an inadvertent input operation by the first input operation means 20 during the rice cooking operation.
  • the invalid state of the input operation is automatically canceled, and the induction heating cooker 10 alone is not hindered.
  • the electric rice cooker 100 in Embodiment 1 was equipped with the following characteristic structures. That is, the electric rice cooker 100 of Embodiment 1 is An induction heating cooker 10 provided with a top plate 22 on the upper surface, and a rice cooking unit 1 that is placed and used so as to be close to or in contact with the top plate 22 of the induction heating cooker 10; With The induction heating cooker 10 includes a heating coil 14 that induction-heats the inner pot 3 and a first input operation that is located in front of the heating coil 14 in order to set the energization conditions of the heating coil 14.
  • the rice cooking unit 1 includes second input operation means 12 for setting rice cooking conditions,
  • the rice cooking unit 1 covers the top of the first input operation means 20 in a state where the rice cooking unit 1 is placed at a predetermined position of the induction heating cooker 10, Between the upper surface of the first input operation means 20 and the lower surface of the rice cooking unit 1, a gap S that leads to the outside is formed, Behind the gap S, the opposing portion of the bottom surface of the rice cooking unit 1 and the top plate 22 of the induction heating cooker 10 is controlled for rice cooking between the rice cooking unit 1 and the induction heating cooker 10.
  • Forming a window 37 for passing an infrared signal carrying information for The induction heating cooker 10 or the rice cooking unit 1 confirms the placement of the rice cooking unit 1 by the infrared signal in the case of at least one of the rice cooking process by the rice cooking unit 1 or the reserved rice cooking period.
  • the process of determining whether to continue or stop the rice cooking operation is performed according to the degree of progress of the rice cooking process, and at the stage of continuing or stopping the rice cooking operation In this configuration, notification is made in advance (SA8 in FIG. 16, SB2 and SB10 in FIG. 17, SD5 and SD8 in FIG. 17, etc.).
  • the electric rice cooker of this structure overheating of the 1st input operation means 20 arrange
  • FIG. 22 to 24 relate to the second embodiment of the present invention.
  • FIG. 22 is a longitudinal sectional view as seen from the side of the electric rice cooker.
  • FIG. 23 is an enlarged longitudinal sectional view in front of the electric rice cooker of FIG.
  • FIG. 24 is a block diagram showing a control-related configuration of the electric rice cooker of FIG.
  • symbol is attached
  • the major difference between the electric rice cooker of the second embodiment and the electric rice cooker 100 of the first embodiment is that the weight sensor 4 is on the induction heating cooker 10 side.
  • reference numeral 103 denotes an IC tag installed in place of the permanent magnet 30 of the first embodiment.
  • the reader (IC tag information reading unit) 104 that reads the tag information corresponds to the placement detection sensor (reed switch) 31 of the first embodiment, although not shown in FIG.
  • reference numeral 105 denotes support legs attached to the four corners of the bottom surface of the induction heating cooker 10, and inside this is a weight sensor 4 (not shown) corresponding to the weight sensor 4 of the first embodiment. ) Is arranged.
  • 22A is an inclined portion formed around the top plate 22 (front and rear, left and right) constituting the upper surface of the induction heating cooker 10. That is, the inner side of the inclined part is about 10 mm higher than the upper surface of the outermost peripheral part.
  • reference numeral 106 denotes a protrusion formed integrally with the lower surface of the bottom plate 39 of the rice cooking unit 1. As is apparent from FIG. 23, the protrusion is formed in a square or a rectangle in plan view on the lower surface of the bottom plate 39 so as to surround the inclined portion 22A.
  • the protrusion 106 is shaped to fit outside the inclined portion 22A as shown in FIG.
  • the inclined portion 22A and the protruding portion 106 do not need to be in close contact with each other, and may have a gap of about several mm. Due to the fitting of the inclined portion 22A and the protruding portion 106, a stopper function is exhibited so that the rice cooking unit 1 does not inadvertently move back and forth and right and left on the induction heating cooker 10.
  • the protruding height of the protruding portion 106 may be flush with the lower end surface of the peripheral edge, and it is not particularly necessary to protrude greatly downward. When protruding greatly, stability will worsen when the rice cooking unit 1 is placed on a table or the like.
  • Reference numeral 107 denotes a vent hole that forms an intake air passage of the cooling fan 130, which is a circular hole or a thin slit shape with a diameter of about several millimeters that a finger cannot be inserted.
  • a thick arrow indicates a flow of cooling air sucked into the cooling fan 130.
  • Reference numeral 194 denotes weight measuring means for measuring the weight of the rice, and includes the weight sensor 4 (not shown). In addition, this weight measurement means does not measure only the rice cooking unit 1 like Embodiment 1, but measures the weight of the induction heating cooking appliance 10 in the state which mounted the rice cooking unit 1.
  • FIG. 194 denotes weight measuring means for measuring the weight of the rice, and includes the weight sensor 4 (not shown). In addition, this weight measurement means does not measure only the rice cooking unit 1 like Embodiment 1, but measures the weight of the induction heating cooking appliance 10 in the state which mounted the rice cooking unit 1.
  • FIG. 25 to 27 relate to the third embodiment of the present invention.
  • FIG. 25 is a longitudinal sectional view of the lower front portion of the electric rice cooker.
  • FIG. 26 is a longitudinal sectional view of the operation input unit at the front part of the electric rice cooker shown in FIG. 27 is a vertical cross-sectional view of the lower part of the left side surface of the electric rice cooker shown in FIG.
  • symbol is attached
  • the electric rice cooker 100 in this Embodiment 3 suppresses especially the temperature rise of the 1st input operation means 20 in the front part of the induction heating cooking appliance 10, and also the temperature rise of the left-right side part of the rice cooking unit 1 is also carried out. It suppresses and has the structure for the purpose of providing a highly safe rice cooker.
  • the rice cooking unit 1 has a bottom plate 39 having a rectangular or square shape in plan view, and plastic or rubber legs 2 are fixed to the lower surfaces of the four corners of the periphery.
  • the leg part 2 which becomes a support leg is a shape where the upper part is thick and becomes thinner as it goes to the lower part, the periphery is an inclined surface 2S.
  • CL is a center line extending in the vertical direction and indicates the center of the leg 2.
  • the positions of the front surface of the rice cooking unit 1 and the front wall surface 10 ⁇ / b> F of the outer shell of the induction heating cooker 10 are substantially flush with each other.
  • the said leg part 2 is arrange
  • the inclined surface 2S of the leg portion 2 hits the inclined portion 22A where the top plate 22 swells upward from the middle, and the leg portion 2 is less likely to move to the rear of this. That is, the leg portion 2 and the inclined portion 22A are stoppers so that the rice cooking unit 1 does not easily move backward. Because of this structure, in order to bring the rice cooking unit 1 closest to the rear vertical part 16 (reference position), as shown in FIG. 25, the leg part 2 is moved backward until it hits the inclined part 22A. Move it.
  • FIG. 26 will be described.
  • the window 37 through which infrared signals are transmitted is covered in a sealed state with a glass plate or the like through which infrared signals are transmitted.
  • One feature of the third embodiment is that the window 37 is formed on the inclined portion 22A of the top plate 22.
  • the infrared signal is not vertical as shown by the broken line IR in FIG.
  • HZ has shown the maximum outer periphery range by which the rice cooking unit 1, other metal pans, etc. are mounted and induction-heated. This range is determined by the maximum outer diameter of the heating coil 14.
  • a general cooking utensil such as a pan or frying pan on the top plate 22
  • the important window 37 is arranged on the inclined portion 22A of the top plate 22 so as not to get dirty. Further, when the first input operation means 20 is operated from the front, the window 37 can be easily seen from the front side, so that there is an advantage that even if there is a dirt, the user can easily notice it.
  • FIG. 27 is a longitudinal sectional view of the lower part of the left side surface of the electric rice cooker shown in FIG. Although not shown, the shape of the lower part on the right side is symmetrical with this FIG. As can be seen from FIG. 27, the top plate 22 is made higher than the bottom plate 39 of the rice cooking unit 1 as much as possible except for a part of the left and right end portions (lateral width WL) so that induction heating can be performed. . In other words, step portions 22L and 22R (not shown) that rise substantially vertically are integrally formed at the left and right ends.
  • 1P is the protrusion part (or it is also called a "rib") formed in the bottom inner side of the plastic case which comprises the outline of the rice cooking unit 1 by integral molding.
  • the protrusions 1P are formed on the lower inner side of the case of the rice cooking unit 1 at a constant interval (for example, 30 to 50 mm).
  • the tip of the protrusion 1P is in contact with or close to the step 22L as shown in FIG. For this reason, since the rice cooking unit 1 correctly placed on the induction heating cooker 10 has the protrusion 1P, inadvertent movement in the left-right direction is prevented.
  • a gap S having a predetermined width dimension WL is formed in at least the left and right lower portions of the case of the rice cooking unit 1.
  • gap is connected with the exterior via the clearance gap of the opposing space
  • the top plate 22 has a portion that approaches or contacts the bottom plate 39 of the rice cooking unit 1 and the left and right peripheral portions are formed of separate members.
  • 22T is made of a plastic material having low thermal conductivity, and therefore, a temperature increase in the peripheral portion 22T (on the left and right sides) can be particularly suppressed.
  • the front and rear peripheral portions may be formed of separate members as well.
  • the top plate 22 it is necessary to select a material that is close to or in contact with the bottom plate 39 of the rice cooking unit 1 and that has high heat resistance and is easy to transmit magnetic lines of force from the heating coil 14.
  • the left and right peripheral portions are formed of separate members, it is not necessary to use such a high heat resistant material, which is advantageous in terms of cost.
  • the third embodiment since the basic operation is the same as that of the first embodiment, an effect equivalent to that of the first embodiment can be expected. Furthermore, in this Embodiment 3, the temperature rise of the outer case of the rice cooking unit 1 can be suppressed, and the effect which improves the installation stability of the rice cooking unit 1 can be anticipated.
  • FIG. 28 to 33 relate to the fourth embodiment of the present invention.
  • FIG. 28 is an explanatory diagram showing an overall image of one house (home).
  • FIG. 29 is a longitudinal sectional view of the electric rice cooker shown in FIG. 30 is a plan view of the lid of the electric rice cooker shown in FIG.
  • FIG. 31 is an explanatory diagram showing the cooperative relationship between the induction heating cooker and the power command device in the home shown in FIG. 28 in time series.
  • FIG. 32 is a flowchart showing steps of a reserved rice cooking operation of the electric rice cooker.
  • FIG. 33 is a flowchart showing monitoring and notification operations of the induction heating cooker.
  • symbol is attached
  • the electric rice cooker 100 according to the fourth embodiment has a configuration aimed at further improving the convenience of the user by the communication function provided by the induction heating cooker 10 in particular.
  • home appliance EE refers to an electrical device designed mainly for use at home, such as a home appliance in a kitchen such as an electric rice cooker 100, and a television image. Including, but not limited to, video equipment such as air conditioners, air conditioners, vacuum cleaners, electric washing machines (including those having a drying function), hot water supply equipment used for baths, and the like.
  • the electric home appliance EE includes the electric rice cooker 100 unless otherwise specified.
  • the “identification information” of the home appliance EE is information for specifying the home appliance EE, which is information unique to the home appliance EE, and is necessary for performing accurate repairs and inspections. This is important information. For example, specifically, the following is included in the identification information, but is not limited thereto.
  • the home appliance EE will be described in detail later. (1) Manufacturer name of home appliances (2) Model name (3) Model number (4) Rated power consumption (5) Date of purchase (In many cases, this is the date of the quality assurance period of the manufacturer or distributor. ) (6) Date of start of use (for dishwashers, this is the date of legal inspection) (7) Quality assurance number
  • the “integrated management device” 200 in the fourth embodiment refers to a device for operating two or more home appliances EE in cooperation.
  • it refers to a device that links the electric rice cooker 100 that is the subject of the present invention with another home appliance EE, such as an air conditioner or a ventilator.
  • “Cooperation” means that information indicating one driving state or acquired data is used by the other home appliance for driving or display.
  • the integrated management apparatus 200 has a function of acquiring information related to the current status such as operation, stop, and standby state of the home appliance EE from the home appliance EE by a wired or wireless signal.
  • the “power command device” in the fourth embodiment has a function of limiting power consumption in the “integrated management device” 200 and has a function of regulating the upper limit of total power consumption in one household.
  • the “integrated management device” may also serve as the “power command device”.
  • the “power command device” of one home appliance is not necessarily a power command device for other home appliances.
  • the reference number 200 is used for both the power command device and the integrated management device.
  • “Resident” as used in the fourth embodiment refers to a person living in one house, which will be described later, and includes parents and children, siblings, sisters, and the like who are related to each other. Visitors staying in the city and others living together. It includes those who borrow one or more living spaces by one or more people. In addition, a resident is called "user" when using the electric rice cooker 100 and other household appliances EE.
  • “household” means one house managed by a specific manager, and may include an apartment house having a plurality of rooms and a plurality of families. . That is, even in such an apartment house, as in the case of one house, the upper limit of commercial power is centrally managed by one power cut-off device (one breaker BK or a plurality of power breakers). This is considered a home.
  • “operation information” of an integrated management device (also referred to as “power command device”) 200 is information indicating the upper limit total power amount set for one household, which is currently used.
  • Information indicating the amount of power used information indicating the difference between the total power amount and the amount of power used, information such as the name that specifically identifies the home appliance EE controlled by the power command device 200, the home appliance Information indicating the usage state of the device EE, information on the amount of power used in each home appliance EE (for example, average power amount for 1 minute), and the like are not limited thereto.
  • the “home appliance side power limit information” refers to information related to some signal related to the power consumption received by the home appliance from the power command apparatus 200.
  • the power reduction request signal AS1, power reduction described later A signal including information related to a command such as the command signal AS2.
  • Such information includes information indicating the reception time of the signal (time in year and month) and the meaning of the signal. For example, it is information such as “reception time: May 1, 2017, 17:00 seconds, 2% reduction in instantaneous maximum power consumption” for a power reduction command signal AS2 at a certain point to the electric rice cooker 100 described later.
  • the power restriction information on the home appliance side is stored in time series in the storage unit 80R of the main controller 80 that controls the whole, and the main power supply is shut off. Even if it does not disappear. Considering the main power on and off as one cooking, the memory is held for at least 10 times. The excess is automatically erased sequentially.
  • the “location information on the home appliance side” is information (code) indicating in which room in the living space HA the home appliance exists.
  • the living room has code 001.
  • the central control unit of the power command device 200 is ruled in advance, such as the code 002 for the kitchen and 003 for the bedroom, and becomes a (power) control target of the power command device 200 using the home appliance EE
  • the position information is registered in the power command apparatus 200 together with the identification information of the home appliance.
  • Non-portable such as built-in induction cookers that are installed in kitchen kitchen furniture and air conditioners that are fixed to the wall
  • the position information can be used permanently.
  • FIG. 28 shows an example of one house using the electric rice cooker 100 of the fourth embodiment.
  • HA1 shows the living space (kitchen) of one house.
  • other living spaces are not shown in FIG. 28, there are “living room”, “bathroom”, and the like, and there may be other rooms.
  • Electric power having a voltage of 200 V is supplied to all the living spaces HA from a commercial power supply 71 of an electric power company outside the house.
  • the electric power is drawn into the house through the watt-hour meter 110.
  • Reference numeral 111 denotes a power supply line (main trunk line) connected to the commercial power supply 71 having a voltage of 200 V via a breaker BK.
  • Various electric home appliances EE are connected to the power line 111. Household appliances other than the electric rice cooker 100 are not shown.
  • Reference numeral 200 denotes a power command device (also serving as an integrated management device) to which power is supplied via the breaker BK, and is hung on a place where a family can easily approach, such as a wall of a living space HA (kitchen). It is installed in a state or placed on the floor.
  • a power command device also serving as an integrated management device to which power is supplied via the breaker BK, and is hung on a place where a family can easily approach, such as a wall of a living space HA (kitchen). It is installed in a state or placed on the floor.
  • AD is a power strip.
  • This power strip may be omitted.
  • reference numeral 112 denotes a router connected to the power command apparatus 200.
  • This router is an external organization such as a local power company, a public organization, or an information provider that transmits a power reduction command signal, power tightness information, or the like.
  • 113 is connected to a wide area communication circuit network (also referred to as “communication network” or “Internet”) 114 such as the Internet.
  • communication network also referred to as “communication network” or “Internet”
  • the “information communication terminal device” 115 referred to in the fourth embodiment is a terminal device that can be easily carried by a user to communicate calls and data (including mail information) indoors, outdoors, and other places. It is.
  • a device that can not be called but can download information on the Internet, send an e-mail, or send a remote control signal is called a “portable communication device”.
  • a portable personal computer is also a kind of information communication terminal equipment.
  • the information communication terminal device 115 has a function of causing the input / output unit of each home appliance EE to approach (or contact) several centimeters and send and receive signals through short-range communication. Yes.
  • the short-range communication is an international standard technology for wireless communication known as Near Field Communication (abbreviation: NFC).
  • NFC tag In this NFC communication, a so-called wireless tag (NFC tag) is embedded on the home appliance EE side.
  • the NFC tag is connected to an NFC communication control IC (hereinafter referred to as “NFC control circuit”) and this control circuit.
  • NFC control circuit When receiving a radio signal of a predetermined frequency from the outside, the NFC tag receives power for the control circuit. It is composed of a generating antenna and a microchip memory (hereinafter referred to as “NFC storage unit”) connected to the NFC control circuit.
  • control data is sent from the information communication terminal device 115 side to the NFC storage unit (not shown) of the rice cooking unit 1, and the control device 50 is connected to the NFC storage unit.
  • the NFC tag of this type may be called an “active tag”.
  • the home appliances EE other than the electric rice cooker 100 have the same configuration.
  • the NFC according to the fourth embodiment has a function of reading information stored in the internal storage device of the home appliance EE on the information communication terminal device 115 side (an NFC tag having such a function may be referred to as a “simple tag”).
  • the operation on the home appliance EE side has a function that can be activated by a control command from the information communication terminal device 115.
  • the information communication terminal device 115 not only reads various information from the home appliance EE but also has a function of writing to the NFC storage unit, and has two functions of a reader and a writer. It is said that the advantage of NFC is that, in general, the format of data that can be exchanged by communication is not limited, and video data, XML data, etc. can be exchanged as well as text data.
  • the communication network 114 is connected to a base station of the information communication terminal device 115 via a relay server, and the information communication terminal device 115 accesses the router 112 via the base station. Can be done. That is, if the information communication terminal device 115 owned by the resident of the household is connected to the communication circuit network 114 from a remote place, it can be connected to the power command apparatus 200.
  • the electric rice cooker 100 can connect to the wireless communication part 26 (refer FIG. 2) of the electric rice cooker 100 via the said electric power instruction
  • direct remote operation from the information communication terminal device 115 to the electric rice cooker 100 and other home appliances EE is not allowed. This is because some household electrical appliances EE emit radiant heat directly into the room, such as an electric heating cooker, so remote control via the communication circuit used by many people from outside the house In consideration of safety, it is not adopted, and instead, all operations are performed via the power command device 200.
  • the electric rice cooker 100 may be connected via a router 112, a home server (not shown), or a local network facility (not shown).
  • FIG. 29 is a longitudinal sectional view of the entire electric rice cooker 100 as seen from the side as in FIG. 2 of the first embodiment.
  • the cross-sectional display (hatching) is omitted for some configurations.
  • the induction heating cooker 10 includes a cooling fan 13, a heating coil 14 wound in a thin disk shape (doughnut shape), a power transmission coil 17, a circular magnetic shield 19 in a plan view, and a control device 50. And an outside air temperature detecting means 15 for detecting the temperature of room air such as a kitchen.
  • the magnetic shield 19 has such a height as to divide the internal space of the induction heating cooker 10 horizontally.
  • the magnetic shield 19 and a large flat plastic partition 96 installed horizontally are provided.
  • a circular room 97 is partitioned in plan view. This room functions as the first air passage SH1 described in the first embodiment.
  • the room 97 accommodates the heating coil 14.
  • the cooling fan 13 is located immediately behind the room 97, and the air outlet is disposed in the front and the air inlet is disposed vertically so as to be the rear BU.
  • Reference numeral 98 denotes a vent hole, which is formed at the rear part of the magnetic shielding plate 19 constituting the room 97.
  • the cooling air blown from the cooling fan 13 passes through the air vent 98 so as to pass through the room 97 and passes through the exhaust port (not shown) provided on the left side of the induction heating cooker 10. Released to the outside.
  • Reference numeral 99 denotes an airflow direction plate disposed on the upstream side of the cooling airflow as viewed from the cooling fan 13. What is indicated by a thick arrow in FIG. 29 is a flow of cooling air generated in the internal space of the induction heating cooker 10 by the cooling fan 13.
  • 96A is a through hole formed in the central portion of the partition plate 96. This through hole is formed directly above the infrared temperature sensor 5B that senses the infrared rays emitted from the inner pot 3 and senses the temperature in a non-contact manner, and is opened to allow the infrared rays to pass therethrough.
  • the partition plate 96 defines a lower space 108 surrounded by a magnetic shield plate 19 below the partition plate 96, and an infrared temperature sensor 5B fixed by the support substrate 32 is disposed in this space. Since it is this structure, since the infrared temperature sensor 5B is hard to receive the high heat from the heating coil 14, more accurate temperature detection can be performed.
  • the infrared signal transmitting / receiving unit 34 which is a means for transmitting important control information to the rice cooking unit 1, is in the second air passage SH2 on the front side of the room 97, and is magnetically shielded from the heating coil 14. It is on the opposite side across the plate 19. For this reason, the infrared signal transmission / reception unit 34 is also less susceptible to thermal influence from the heating coil 14. Similarly, the first input operation means 20 is configured to avoid a temperature rise.
  • the room 97 is defined by the magnetic shield 19 (partition wall), a plastic plate or the like may be disposed along the magnetic shield. That is, it is not necessary to configure the entire room 97 with the magnetic shield 19.
  • FIG. 30 is a plan view of the lid of the electric rice cooker shown in FIG.
  • 20 is the 2nd input operation means (input operation part) of the rice cooking unit 1 of the electric rice cooker 100, "rice cooking switch” 67 which starts rice cooking operation or confirms a reservation, cooks up "Hot heat switch” 75 that commands a mode to keep the cooked rice at a certain predetermined temperature, "Menu switch” 65 to select various cooking menus such as normal rice cooked rice porridge or cooked rice, cooked rice such as white rice and brown rice “Rice type switch” 63 for selecting and inputting the type of rice, informing the state of the rice cooking unit 1 and the next necessary operation by voice, adjusting the volume for notification, and turning on / off the voice mode “ “Voice navigation switch” 76, "Reservation switch” 68 for setting the reserved rice cooking function, "Off / Cancel switch” 6 to cancel or turn off various input operations and modes , “Normal” in the cook how (cooked acceleration), "firm”, the
  • Each of these switches may be either a mechanical switch or a capacitive touch switch that closes the built-in electrical contact when pressed by the user and generates an input signal, or used in combination. Also good.
  • the heat insulation switch 75 is operated after the unevenness process is finished, the heat insulation mode is started.
  • 77 is a power saving switch that can reduce power consumption by a predetermined amount by being pressed once. For example, if this power saving switch is pressed in the preheating process, the power consumption can be reduced for the first few minutes, but the time required for the preheating process is increased accordingly, so that the first display screen 11A constituted by a liquid crystal display screen or the like. In such a case, a notice to that effect is displayed, and even if the voice guidance (navigation) switch 76 is not pressed each time, “the power saving mode has been selected. The preheating process time will be extended for several minutes”. Guidance is provided.
  • 78 is a health information display switch that displays information related to healthy rice cooking on the first display screen 11A when pressed once.
  • information such as rice and rice cooking method can be obtained from the information server of the external engine 113 via the wireless communication unit 26 of the induction heating cooker 10 and the power command device 200.
  • Reference numeral 91 denotes an NFC input / output unit for allowing the information communication terminal device 115 having the NFC input / output unit to approach and enable short-distance wireless communication.
  • the NFC input / output unit 91 is close to the upper surface of the lid 1B and embedded therein. It is. Further, the information communication terminal device 115 is approached on the upper surface of the lid 1B so that the user can easily see the position of the wireless tag (NFC tag) 91T of the wireless communication unit (input / output means) 91 which is an NFC input / output unit. Or the target position which contacts is displayed by the character "TOUCH".
  • reference numeral 81 denotes power priority information displayed on the first display screen 11A.
  • the wireless communication unit 26 receives information related to a command such as a power reduction request signal AS1, a power reduction command signal AS2, and the like.
  • the main control device 80 of the induction heating cooker 10 transfers information to the rice cooking unit 1 by an infrared signal via the infrared signal transmission / reception unit 34, and the control device 50 receives the information to receive the first display screen 11A. Display is instructed to a drive circuit (not shown). However, it displays only during the period when the rice cooking unit 1 is performing the preheating process and the rice cooking process.
  • the 82 is boiling process display information similarly displayed on the first display screen 11A.
  • the rice cooking process is currently being executed, and the inside of the inner pot 3 is in a boiling state.
  • the power reduction request signal AS1 and the power reduction command signal AS2 are received from the power command device 200, The user can easily understand that this is a home electric appliance (electric rice cooker) that does not cope with power saving.
  • FIG. 31 is an explanatory diagram showing, in time series, the cooperative relationship between the induction heating cooker 10 and the power command device 200 in the living space HA shown in FIG.
  • L1 to L10 are operation information signals transmitted from the electric rice cooker 100 to the power command apparatus 200.
  • FIG. 31 the square frame shown with a broken line has shown the range which the induction heating cooking appliance 10 concerns for the rice cooking unit 1.
  • FIG. L ⁇ b> 1 is a signal indicating main power on (ON) in which the commercial power supply 71 is connected to the induction heating cooker 10.
  • the induction heating cooking appliance 10 has a power switch for turning on the main power, it is transmitted when the switch is turned on.
  • L2 is information for selecting the reserved rice cooking mode.
  • L3 is notice information (also referred to as “start request signal”) that is transmitted when the reserved time for starting rice cooking approaches (for example, 5 minutes before the set time for reserved rice cooking).
  • KS is a “rice cooking start permission signal” transmitted from the power command apparatus 200 within a short time (usually within a few seconds) from the start notice information (also referred to as “start request signal”) L3. . Unless this signal reaches electric rice cooker 100, main controller 80 of electric rice cooker 100 does not transmit an actual heating start command signal to inverter circuit 73.
  • L4 is one of the operation information signals, and indicates that the inverter circuit 73 is actually driven, the induction heating operation is started, and the preheating process is started.
  • L5 is an operation information signal indicating that the rice cooking process has been started.
  • L6 is an operation information signal indicating that the rice cooking process has ended.
  • power is not reduced by external operations and commands. That is, even when the electric rice cooker 100 actually receives the power reduction command signal AS2, the power is reduced only after the next operation information signal L6.
  • the electric power rice cooker 100 is registered in the electric power reduction target electric device in the electric power command device 200, when the electric power command device 200 receives the operation information signal L5 indicating that it is a rice cooking process, the electric power reduction command Even if the signal AS2 is received, a power reduction command signal is not transmitted to the electric rice cooker 100 accordingly.
  • L6 indicates an operation information signal when the rice cooking process is completed.
  • L7 indicates that the unevenness process has been completed.
  • L8 is an operation information signal indicating the start of the heat insulation process.
  • L9 is an operation information signal indicating the end of the heat retention process. Note that the heat retaining step is performed by energizing only the lid body heating means 9A and the inner pot side surface heating means 9B.
  • L10 is a signal indicating a main power supply cutoff (OFF) in which the connection between the commercial power supply 71 and the induction heating cooker 10 is cut off.
  • OFF main power supply cutoff
  • Each of these pieces of information L1 to L10 includes the current time to the second.
  • there is also a response signal from the power command apparatus 200 side to each operation information signal detailed description is omitted.
  • the power command apparatus 200 has the highest priority for the required power of the electric rice cooker 100 (over other home appliances EE), and ensures the required power of the electric rice cooker 100 with the highest priority. So, even if the rated capacity of the breaker BK is about to be exceeded or the upper limit of the power capacity specified by the user is about to be exceeded, the power will not be reduced in the boiling process, and cook delicious rice. Can do.
  • Steps SE1 to SE8 show the operation up to the setting of the reserved rice cooking, which is the operation of the control device 50 of the rice cooking unit 1.
  • the operation information signal L2 indicating the setting of the reserved rice cooking mode is transmitted from the wireless communication unit 26 to the power command device 200 (SE2).
  • the rice cooking operation start time information is also transmitted in a 24-hour display, such as “20:00”.
  • information of the reservation setter may be transmitted by including in the data, for example, a code number indicating “resident B”.
  • the time interval between the rice cooking start time set by the user and the current time is calculated.
  • "cooking completion time” is set. That is, it is set that the set time is “20:00” because it is desired to complete the rice cooking when returning home, but the control device 50 receives this input, and the rice cooking process (in this case, the preheating process, the rice cooking process, The required time for the unevenness process (including three) is calculated, and the start time of the preheating process is calculated (SE3).
  • step SE5 means that when the standby determination unit built in the control device 50 receives information on the rice cooking start time, the current time is a predetermined time (for example, 5 minutes before) from the current time. In the meantime, in order to enter a standby state, the power supply to the control device 50 is cut off, and the first display screen 11A and the operation are stopped. This eliminates power consumption on the rice cooking unit 1 side.
  • the waiting determination unit uses a time information from the time measuring means 50T to determine whether a predetermined time (for example, 5 minutes) before the designated time for cooking rice (start) from the current time. ) Check at intervals. A description of the subsequent operation is omitted.
  • step SE6 whether or not a predetermined time (for example, 5 minutes) before the designated time is checked at regular time intervals. If “Yes” in this step, the process proceeds to the next step S7.
  • a predetermined time for example, 5 minutes
  • step SE7 the operation information signal (notice signal) L3 indicating the start of rice cooking in the reserved rice cooking mode is transmitted from the wireless communication unit 26 to the power command apparatus 200.
  • the rice cooking operation start time information is also transmitted in a 24-hour display, such as “20:00”.
  • the voice notification means 90V and the first display screen 11A notify the start of the rice cooking operation by voice or text. A description of the subsequent operation is omitted.
  • FIG. 33 (Monitoring operation during reserved cooking) Next, FIG. 33 will be described.
  • the monitoring operation during reserved rice cooking of the electric rice cooker 100 which is one of the features of the fourth embodiment, will be described.
  • Steps SU1 to SU8 show the monitoring operation steps. This is the operation of the control device 80.
  • the rice cooking unit 1 may not be supplied with power to the control device 50, so the main control device 80 of the induction heating cooker 10 performs a monitoring operation.
  • the monitoring operation starts from the stage where the rice cooking process or the reserved rice cooking process is started as shown in step SU1.
  • the main control is performed when the rice cooking process or the reserved rice cooking process is started.
  • the device 80 collates with the registration data (stored in the storage means 80R) transmitted in advance from the control device 50 of the rice cooking unit 1 (SU2), and when there is a registered information communication terminal device 115, Then, the information communication terminal device 115 is designated, and it is notified from the wireless communication unit 26 that rice cooking has been started or reserved rice cooking has been set (SU3).
  • the information communication terminal device 115 may be registered on the induction heating cooker 10 side. Also, various methods for registering the identification information, address, etc. of the information communication terminal device 115 in advance for the electric rice cooker 100 (including the induction heating cooker 10 and the rice cooking unit 1) are known in various ways, such as MAC address transmission. Therefore, the description about these is abbreviate
  • the rice cooking unit 1 is moved from a predetermined position (reference position) on the top surface of the top plate 22 of the induction heating cooker 10 for some reason.
  • a predetermined position reference position
  • the resident A sets a reserved rice cooker for the electric rice cooker 100, but another resident B carelessly moves the rice cooking unit 1 without knowing the circumstances.
  • the cooking time is fixed or at a predetermined timing.
  • the reference position determination operation is performed as in step S6 of step 12.
  • step SU4 is “No” and the process proceeds to step SU6. Therefore, even if the information communication terminal device 115 registered in advance is in a remote place outside the living space HA, the information communication terminal device 115 is notified from the wireless communication unit 26 via the power command device 200. Is done. If there is any reply from the information communication terminal device 115 (SU7), the process proceeds to step SU8, and the notification means 70 of the induction heating cooker 10 notifies the user by letters or voices. When electric power is supplied to the rice cooking unit 1 from the induction heating cooker 10 side, external reply information is also sent from the induction heating cooker 10 to the rice cooking unit 1.
  • “Reply” here is one that has been selected and registered in advance from a plurality of types of fixed messages and alarms on the information communication terminal device 115 side. For example, when there is a reply designation of “alarm” In the induction heating cooker 10 and the rice cooking unit 1, since the rice cooking unit is in use, the contents are requested from the resident at home so as to confirm immediately. This reply may be set to be automatically transmitted promptly (for example, within 10 seconds) at the information communication terminal device 115 unless the user operates.
  • the rice cooking unit 1 includes a power feeding unit such as the secondary battery 95, and can perform information processing for monitoring.
  • the heat retention process may not be performed. That is, it means that maintenance of the cooperative relationship between the induction heating cooker 10 and the rice cooking unit 1 is finished when the unevenness process is finished, and the position of the rice cooking unit 1 is induced when the unevenness process is finished. Even if it deviates from the top of the heating cooker 10 and changes to another place such as a table, the induction heating cooker 10 is not affected by the operation. In this way, when the unevenness process is finished, the input operation function for the first input operation means 20 is not limited, so that the induction heating cooker 10 can be used immediately for another cooking.
  • the cooking system of Embodiment 4 is An induction heating cooker 10 provided with a top plate 22 on the upper surface, and a rice cooking unit 1 that is placed and used so as to be close to or in contact with the top plate 22 of the induction heating cooker 10;
  • the induction heating cooker 10 includes a heating coil 14 that induction-heats the inner pot 3 and a first input operation that is located in front of the heating coil 14 in order to set the energization conditions of the heating coil 14.
  • the rice cooking unit 1 includes second input operation means 12 for setting rice cooking conditions, In the state where the rice cooking unit 1 is placed on the induction heating cooker 10, the rice cooking unit 1 covers the upper side of the first input operation means 20. Between the upper surface of the first input operation means 20 and the lower surface of the rice cooking unit 1, a gap S that leads to the outside is formed, Behind the gap S, the opposing portion of the bottom surface of the rice cooking unit 1 and the top plate 22 of the induction heating cooker 10 is controlled for rice cooking between the rice cooking unit 1 and the induction heating cooker 10.
  • Forming a window 37 for passing an infrared signal carrying information for The induction heating cooker 10 confirms the placement of the rice cooking unit 1 by the infrared signal in the case of at least one of the rice cooking process by the rice cooking unit 1 or the reserved rice cooking period, and puts it at a predetermined reference position.
  • the wireless communication unit 26 that wirelessly notifies the outside is provided.
  • the rice cooking unit 1 is rice cooking.
  • the rice cooking unit 1 is rice cooking.
  • it will be notified to external devices such as the power command device 200 and the information communication terminal device 115, so the rice cooking will be executed reliably. The user's convenience and security can be increased.
  • the basic operation is the same as that of the first embodiment, and therefore, an effect equivalent to that of the first embodiment can be expected. Furthermore, in this Embodiment 4, since it is alert
  • the partition plate 96 defines a lower space 108 surrounded by the magnetic shield plate 19 below, and an infrared temperature sensor 5B fixed by the support substrate 32 is disposed in this space. Therefore, the infrared temperature sensor 5B is less susceptible to high heat from the heating coil 14, and therefore can detect temperature more accurately.
  • the partition plate 96 defines a lower space 108 surrounded by the magnetic shield plate 19 below, and an infrared temperature sensor 5B fixed by the support substrate 32 is disposed in this space. Therefore, the infrared temperature sensor 5B is less susceptible to high heat from the heating coil 14, and therefore can detect temperature more accurately.
  • a vent hole 98 formed in the rear end portion 19A of the magnetic shield 19 communicates with the lower space 108, and a part of the cooling air from the cooling fan 13 is introduced. For this reason, the malfunction that the infrared temperature sensor 5B receives the high heat of the heating coil 14 and is overheated does not occur.
  • the infrared signal transmission / reception unit 34 is on the front side of the room 97 and is on the opposite side of the heating coil 14 with the partition wall serving also as the magnetic shield 19, the infrared signal transmission / reception unit 34 is also provided with the heating coil 14. Therefore, it is possible to suppress the occurrence of malfunctions and abnormalities due to heat.
  • the first input operation means 20 has a configuration in which the temperature rise can be avoided, so that the failure and shortening of the life of the electronic components arranged there can be suppressed.
  • a room 97 (first air passage SH1) is defined below the top plate 22 of the induction heating cooker 10, and the heating coil 14 is provided therein. Since this room is arranged and cooled by the cooling air supplied from the cooling fan 13, the heating coil 14 is prevented from being overheated, and the top plate 22 is prevented from being overheated.
  • the cooling air of the cooling fan 13 reaches the periphery of the power transmission coil 17 by the second air passage SH2, the power transmission coil 17 is also cooled, and overheating of the power transmission coil 17 can be prevented.
  • FIG. 34 to 37 relate to the fifth embodiment of the present invention
  • FIG. 34 is a flowchart 1 showing the control operation of the induction heating cooker and the rice cooking unit.
  • FIG. 35 is a flowchart 2 showing the control operation of the induction heating cooker and rice cooking unit of FIG.
  • FIG. 36 is a flowchart 3 showing the control operation of the induction heating cooker and rice cooking unit of FIG.
  • FIG. 37 is a flowchart showing the control operation of the rice cooking unit of FIG.
  • symbol is attached
  • the electric rice cooker 100 in this Embodiment 5 has changed the operation program at the time of starting of the induction heating cooking appliance 10.
  • the reed switch 31 is turned on (closed) if the rice cooking unit 1 is placed at the correct position (S1).
  • the main control device 80 can detect the infrared temperature sensor 5B and other current sensors (see FIG. (Not shown), a self-check is started to check whether there is any abnormality in the internal components of the induction heating cooker 10 (S2).
  • the main controller 80 drives the power transmission coil 17 and starts supplying predetermined power.
  • the notification means 70 is also activated (S3).
  • the cooling fan 13 is started to operate in the “weak” mode (S4). For this reason, the power transmission coil 17 is cooled by the cooling air.
  • the main controller 80 knows that the rice cooking unit 1 is placed at the correct position by turning on the reed switch 31, but then the rice cooking unit 1 is moved to the reference position.
  • the determination unit 33A is activated.
  • the main control device 80 drives the reference position determining means (B) 33.
  • the control is performed when power is supplied from the power supply means 6 to the control device 50.
  • the operation program of the apparatus 50 is started, and an infrared signal is transmitted from the infrared signal transmission / reception unit 35 to the infrared signal transmission / reception unit 34 (SM5).
  • the infrared signal received by the infrared signal transmitter / receiver 35 is decoded by the reference position determination means 33B and the result is input to the main controller 80.
  • the main control device 80 finally confirms that the rice cooking unit 1 is placed at the correct position (SU4).
  • the reference position determination means 33B cannot receive such a normal infrared signal. In this case, even when the rice cooking unit 1 is placed at the correct position, the cooking liquid from the previous cooking is dripped onto the upper surface of the window 37 and becomes dirty and stuck, thus preventing infrared communication. It is assumed that In this case, the main controller 80 makes an error determination. The operation after this error determination (SU4) is shown in FIG.
  • step SU4 operation data and temperature data are exchanged between the two infrared signal transmission / reception units 34 and 35, so that the rice cooking operation is not permitted even if the window 37 is dirty.
  • the process proceeds to the abnormality handling step shown in FIG. 16, which will be described later.
  • step S7 the main controller 80 performs a process of invalidating the input command signal generation from the first input operation means 20. Specifically, the signal for generating the input signal of the first input operation means 20 is blocked so that the input signal is not generated, but the invalidating means is not limited to this method.
  • the rice cooking unit 1 it is notified by the notification means 90 such as the voice notification means 90V that the rice cooking operation will be performed from now on (S8A).
  • the notification means 90 such as the voice notification means 90V
  • this portion is also different from the first embodiment.
  • a standby state is entered. After placing the rice cooking unit 1, it takes time to actually start cooking rice, such as adjusting the amount of water in the inner pot 3. Therefore, the standby time is measured by the time measuring means 80T (S10).
  • FIG. 35 will be described.
  • the steps of the control operation shown in FIG. 35 are obtained by improving steps S13 to S18 in FIG. 13 of the first embodiment. That is, the operation when the time has passed without the essential rice cooking instruction is shown in a state where preparation for the rice cooking operation is started.
  • the rice cooking unit 1 When a predetermined time T1 (for example, 60 minutes) has elapsed from the stage of step 10 (S13), the rice cooking unit 1 notifies that the rice cooking operation has been canceled by the notification means 70 such as the voice notification means 70V (SM14). . It is different from FIG. 13 of Embodiment 1 that the rice cooking unit 1 notifies in this step.
  • the control apparatus 50 stops the electric power feeding of the rice cooking unit 1 (S15). Specifically, a command to stop power feeding to the power transmission coil 17 and the cooling fan 13 is issued.
  • main controller 80 cancels the invalidation processing of the input operation unit from first input operation means 20 (S17). .
  • T2 for example, 61 minutes
  • main controller 80 automatically shuts off the main power supply by itself and operates in consideration of safety so that the heating operation is not performed carelessly.
  • FIG. 36 The steps of the control operation shown in FIG. 36 are the same as steps SA1 to SA9 in FIG. 16 of the first embodiment. If the determination in step SM6 in FIG. 34 is “No”, the process in FIG. 36 is executed by main controller 80. That is, FIG. 36 shows the operation when the main controller 80 detects that the rice cooking unit 1 does not exist at the reference position before the rice cooking operation is started. Steps SA1 to SA9 shown in FIG. Since these steps are the same as the steps SA1 to SA9 shown, detailed description is omitted.
  • FIG. 36 will be described.
  • the steps of the control operation shown in FIG. 36 are improved from step SR9 onward in FIG. 20 of the first embodiment.
  • the control device 50 when the user finishes inputting the hardness of the rice when cooking (SR8), the control device 50 then activates the second display screen 11B, Displays that the weight can be measured. Further, the sound notification means 90V is also notified (SR9).
  • the rice 1 when the lid 1B is opened, if the lid 1B is closed and the rice cooking switch 67 is pressed thereafter, the rice 1 can be immediately transferred to the rice cooking without going through the step of measuring the rice weight. Therefore, there is an advantage that a user who is proficient in water adjustment at the time of cooking can quickly advance the steps until the start of cooking.
  • the lid opening / closing button for opening the lid 1B and the mechanism interlocked with the opening / closing operation are provided with a micro switch or a reed switch as the lid opening sensor 93, and the lid 1B
  • the controller 50 may detect the opening.
  • the controller 50 may monitor the movement of the position at the center of gravity of the rice cooking unit 1 back and forth to detect the opening of the lid 1B.
  • the lid 1B is opened when it is added, the lid 1B is supported by the rice cooking unit 1 in a state where the lid 1B is tilted to the rear or more stable through a hinge part (not shown) at the rear.
  • the measured value of the weight sensor on the front side decreases before and after the lid 1B is opened, and the weight of the lid 1B is applied to the rear hinge (not shown) side.
  • the measured value of the weight sensor on the rear side increases.
  • control device 50 does not include hardware such as a micro switch or a reed switch as the lid opening sensor 93, and the lid body is software that analyzes data of measurement values of a plurality of weight sensors as described above. The opening of 1B can be detected.
  • the control device 50 proceeds to the next operation step ST12. And just in case, it is checked once again whether the lid 1B is opened or not, and then it is detected that the rice cooking switch 67 has been pressed (ST13), the first display screen 11A and the voice notification means 90V. Then, the lid 1B is kept closed as it is, and a warning is issued to prevent the lid 1B from being opened (ST15), and it is detected that the lid 1B is closed (ST16). Proceed to SR10.
  • step SR10 the voice notification means 90V performs voice guidance such as “The weight measurement result of rice was 500 g. The proper amount of water has been determined, and rice cooking is started in the soft mode in the white rice”. Further, the second display screen 11B finishes the display operation (turns OFF). Thus, it can transfer to rice cooking immediately without going through the step of rice weight measurement.
  • step ST2 determines whether or not the lid 1B is opened. If it is determined in step ST2 that the lid 1B is opened, the process proceeds to the next step ST3. In this step ST3, it is determined whether or not the operation key 18A disposed on the operation unit 18 for measuring the weight of the rice has been operated to give a rice weighing command. If the predetermined operation key 18A is pressed, the weight of the rice is measured with the lid 1B open (ST4).
  • the weight is measured by the weight measuring means 94 while the rice is put in the inner pot 3, the weight is notified by the voice notification means 90V, and the weight is displayed numerically on the second display screen 11B (ST5).
  • the amount of water commensurate with the weight of the rice is notified by the voice notification means 90V, for example, “500 milliliters”, and is also displayed numerically on the second display screen 11B (ST6).
  • the weight measuring means 94 puts rice and water into the inner pot 3. It is weighed again in the state, the determination result is notified by the voice notification means 90V, and is also displayed on the second display screen 11B (ST6).
  • the first display screen 11A and the voice notification means 90V leave the lid 1B closed as it is, so that it cannot be opened. Is notified (ST15), and when it is detected that the lid 1B is closed (ST16), the process proceeds to step SR10 described above.
  • step ST3 if the operation key 18A arranged on the rice weight measurement operation unit 18 is not operated and time elapses, the elapsed time is checked in step ST8 and the second display screen 11B is activated. If 30 minutes have not passed since then, the voice notification means 90V notifies that it is waiting for a weight measurement command, and displays it on the second display screen 11B (ST11).
  • step ST8 Such reminders may be made every few minutes. If it is determined in step ST8 that 30 minutes have passed, the user is taking time to do some work with the lid 1B open, or another cooking preparation is started, and the rice set is postponed. In order to call attention to the user, error notification is performed (ST9). This error notification is preferably performed by the notification means 90 and the second display screen 11B. And the control apparatus 50 stops the setting operation
  • step ST10 when the rice cooking switch 67 is not pushed in the step ST13 and the time elapses as it is, when the elapsed time is checked in the step ST14 and 30 minutes have not passed since the second display screen 11B is activated. Returning to the step ST2, it is checked again whether or not the lid 1B is opened. However, if 30 minutes have elapsed, the process proceeds to step ST9, where error notification is performed.
  • This error notification is preferably performed by the notification means 90 and the first display screen 11A.
  • the electric rice cooker 100 shown in this fifth embodiment is similar to that of the first embodiment, and the cooling fan 13 that supplies cooling air for cooling the heating coil 14 to the inside of the induction heating cooker 10;
  • the infrared communication unit 34 for transmitting an infrared signal including control information for rice cooking between the induction heating cooker 10 and the rice cooking unit 1 and the power receiving coil 7 provided in the rice cooking unit 1 are not connected.
  • a power transmission coil 17 for supplying power by contact Furthermore, it has 1st ventilation path SH1 and 2nd ventilation path SH2 into which the cooling air from the said cooling fan 13 is introduce
  • the said heating coil 14 is cooled with the cooling air of 1st ventilation path SH1,
  • the infrared communication part 34 is a structure cooled with the cooling air of 2nd ventilation path SH2.
  • positioned inside the induction heating cooking appliance 10 can be prevented from overheating. Furthermore, the temperature rise of this power transmission coil can also be suppressed by arrange
  • the electric rice cooker 100 of this Embodiment 5 is An induction heating cooker 10 provided with a top plate 22 on the upper surface, and a rice cooking unit 1 that is placed and used so as to be close to or in contact with the top plate 22 of the induction heating cooker 10;
  • the induction heating cooker 10 includes a heating coil 14 that induction-heats the inner pot 3 and a first input operation that is located in front of the heating coil 14 in order to set the energization conditions of the heating coil 14.
  • Means 20 and The rice cooking unit 1 includes second input operation means 12 for setting rice cooking conditions, In the state where the rice cooking unit 1 is placed on the induction heating cooker 10, the rice cooking unit 1 covers the upper side of the first input operation means 20.
  • a gap S that leads to the outside is formed between the upper surface of the first input operation means 20 and the lower surface of the rice cooking unit 1.
  • the opposing portion of the bottom surface of the rice cooking unit 1 and the top plate 22 of the induction heating cooker 10 is controlled for rice cooking between the rice cooking unit 1 and the induction heating cooker 10.
  • Forming a window 37 for passing an infrared signal carrying information for The induction heating cooker 10 or the rice cooking unit 1 confirms the placement of the rice cooking unit 1 by the infrared signal before the rice cooking process by the rice cooking unit 1 is started, and the rice cooking unit 1 is not at a predetermined reference position.
  • the mounting of the rice cooking unit 1 is confirmed by the infrared signal and it is detected that there is a problem in the mounting of the rice cooking unit 1. Since the malfunction is notified to the user in advance, such as canceling the rice cooking operation, there is an advantage that misunderstanding and erroneous operation on the user can be prevented.
  • FIG. 38 relates to the sixth embodiment of the present invention, and is a flowchart showing a control operation of the induction heating cooker.
  • symbol is attached
  • the configuration of the second input operation means 12 of the lid 1B will be described below on the assumption that it is the same as that in FIG. 30 (Embodiment 4).
  • the operation program of the induction heating cooker 10 is changed. Moreover, especially the operation program of the control apparatus 50 after finishing the rice cooking process with the rice cooking unit 1 is changed.
  • the induction heating cooker 10 of the electric rice cooker 100 performs the same operation as the operation steps S1 to S30 shown in FIGS. 12 to 14 of the first embodiment. Then, step S30 and subsequent steps are improved as shown in FIG.
  • the measurement of the elapsed time is started (SU2), and when a predetermined unevenness process time (for example, 5 minutes) has elapsed, the notification means 70, for example, “The unevenness process has ended.
  • a guidance such as “I can eat right away” is notified by voice (SU3).
  • the heat retention switch 75 When the heat retention switch 75 is operated after the unevenness process is finished, it instructs to start the heat retention mode. Therefore, in the next step SU4, whether or not the heat retention switch 75 has been pressed by the user. Make a decision.
  • the control device 50 of the rice cooking unit 1 asks the main control device 80 to provide data of the temperature measurement result from the outside air temperature detection means 15, and the heat retention is performed based on the provided data.
  • the possible time is calculated (SU5).
  • the control device 50 may calculate the warmable time by the main control device 80 itself without obtaining data, and the control device 50 may obtain the result.
  • the control device 50 causes the infrared signal transmission / reception unit 35 to transmit a specific identification code or data indicating that the heat retention switch 75 has been pressed, and the main control device 80 receives the data and the like. Start the calculation of the warming up time.
  • step SU5 If the heat retention switch 75 has not been pressed within the predetermined time, the process proceeds to step SU5. For example, even when the user is clearly aware of cooking at the start of cooking, he may forget about cooking after that. If you forget to cook rice in this way, you may not be in the vicinity of the electric rice cooker 100, and you may be left as it is without noticing the end of the unevenness process.
  • step SU5 for a predetermined time (for example, 15 minutes), whether or not the heat retention switch 75 has been pressed is checked, for example, every other minute.
  • a predetermined time for example, 15 minutes
  • step 10 the notification means 70 of the induction heating cooker 10 notifies the end of the heat retention process.
  • the lid heating means 9A, the inner side face heating means 9B, and the induction heating coil 14 may be heated with a minimum heating amount (thermal power) or may not be energized at all.
  • the outside air temperature detection means 15 inputs room temperature data of a low temperature to the main controller 80, so that the rice cooking unit 1 is cooled during the predetermined time (for example, 15 minutes). There is a possibility.
  • the main controller 80 drives all or a part of the lid heating means 9A, the inner pot side heating means 9B, and the induction heating coil 14, and the whole is, for example, about 30W to 100W. It is also programmed to perform the heat insulation operation temporarily with the power consumption.
  • step SU7 a heat retaining operation for the calculated heat retaining time TX (for example, 3 hours) is started. Further, the notification means 70 notifies the start of the heat insulation process (SU7). Unlike the first embodiment, the heat retaining process of the sixth embodiment is performed by driving the induction heating coil 14. For this reason, the bottom part of the inner pot 3 which is difficult to raise the temperature only with the lid heating means 9A and the inner pot side surface heating means 9B can also maintain a predetermined heat retaining temperature (for example, around 70 ° C.).
  • a check (SU8) whether or not the heat retaining time TX (for example, 3 hours) elapses and a check (SU9) whether or not the rice cooking unit 1 is present at the reference position are repeatedly performed (for example, time intervals within several seconds). so).
  • step SU9 is “Yes”. Then, the notification means 70 of the induction heating cooker 10 notifies the end of the heat retention process. At the same time, the notification means 90 on the rice cooking unit 1 side notifies that the heat retaining process has been completed (SU10).
  • the input function of the first input operation means 20 of the induction heating cooker 10 is restored. That is, the input prohibition measure to the main controller 80 is canceled (SU11). For this reason, the desired cooking can be started by operating the first input operation means 20 of the induction heating cooker 10 immediately.
  • the control apparatus 50 of the rice cooking unit 1 stops those heating (SU12).
  • the main controller 80 shuts off the main power supply circuit itself.
  • the control device 50 side of the moved rice cooking unit 1 also knows that it is not at the reference position by the reference position determination means 33, so the control device 50 stops the power supply to the power transmission coil 17, and the second The function of the input operation means 12 is stopped.
  • the electric rice cooker 100 shown in the sixth embodiment is similar to that in the first embodiment, and the cooling fan 13 that supplies cooling air for cooling the heating coil 14 to the inside of the induction heating cooker 10;
  • the infrared communication unit 34 for transmitting an infrared signal including control information for rice cooking between the induction heating cooker 10 and the rice cooking unit 1 and the power receiving coil 7 provided in the rice cooking unit 1 are not connected.
  • a power transmission coil 17 for supplying power by contact Furthermore, it has 1st ventilation path SH1 and 2nd ventilation path SH2 into which the cooling air from the said cooling fan 13 is introduce
  • the said heating coil 14 is cooled with the cooling air of 1st ventilation path SH1,
  • the infrared communication part 34 is a structure cooled with the cooling air of 2nd ventilation path SH2.
  • positioned inside the induction heating cooking appliance 10 can be prevented from overheating. Furthermore, the temperature rise of this power transmission coil can also be suppressed by arrange
  • the electric rice cooker 100 of this Embodiment 6 is An induction heating cooker 10 provided with a top plate 22 on the upper surface, and a rice cooking unit 1 that is placed and used so as to be close to or in contact with the top plate 22 of the induction heating cooker 10;
  • the induction heating cooker 10 includes a heating coil 14 that induction-heats the inner pot 3 and a first input operation that is located in front of the heating coil 14 in order to set the energization conditions of the heating coil 14.
  • Means 20 and The rice cooking unit 1 includes second input operation means 12 for setting rice cooking conditions, In the state where the rice cooking unit 1 is placed on the induction heating cooker 10, the rice cooking unit 1 covers the upper side of the first input operation means 20.
  • a gap S that leads to the outside is formed, An infrared signal is transmitted between the rice cooking unit 1 and the induction heating cooker 10 on the opposite portion between the bottom surface of the rice cooking unit 1 and the top plate 22 of the induction heating cooker 10 behind the gap S. Forming a window 37 for passing through, The induction heating cooker 10 monitors the placement of the rice cooking unit 1 by the infrared signal while the rice cooking unit 1 is placed at a predetermined position and performs a heat retaining process, and the first input operation.
  • the induction heating cooker 10 ends the heat retaining process of the rice cooking unit 1 and the input of the first input operation means 20 It had a distinctive configuration to cancel the invalidation of the operation.
  • FIG. 39 to 44 relate to Embodiment 7 of the present invention
  • FIG. 39 is a perspective view of an electric rice cooker according to Embodiment 7 of the present invention
  • FIG. 40 is a plan view 1 of the lid of the rice cooking unit.
  • FIG. 41 is a plan view 2 of the lid of the rice cooking unit.
  • FIG. 42 is a block diagram illustrating a configuration of a control device for the rice cooking unit in FIG. 39.
  • FIG. 43 is a flowchart showing a control operation in the case where the cooked rice is cooked in the rice cooking unit of FIG.
  • FIG. 44 is an explanatory diagram of a control pattern in stew cooking of the rice cooking unit of FIG.
  • symbol is attached
  • the cooking menu of the rice cooking unit 1 is particularly enhanced.
  • the rice cooking unit 1 can perform “boiled” cooking, “rice porridge”, and “steamed” cooking.
  • the operation program of the control apparatus 50 of the rice cooking unit 1 is changed.
  • the operation program of the main controller 80 of the induction heating cooker 10 is partially changed.
  • a steam discharger (sometimes referred to as a rice bowl recovery device) for releasing water vapor generated during the rice cooking process or the like inside the inner pot 3 is used to allow water to be injected into the inner pot 3 so that the user can use it.
  • the convenience of adjusting the amount of water before the start of cooking is improved.
  • the second input operation means 12 is improved so that the visibility of the first display screen 11A arranged there, the measurement instruction of the weight of rice and the confirmation of the result can be easily performed.
  • the electric rice cooker 100 according to the seventh embodiment is composed of the induction heating cooker 10 and the rice cooking unit 1 as in the first embodiment.
  • the internal configuration of the induction heating cooker 10 is basically the same as that of the first embodiment.
  • “Boiled” cooking An electric rice cooker that can be cooked by putting ingredients such as vegetables and meat in a soup or the like with water or seasoning and cooking it is disclosed in, for example, Japanese Patent Application Laid-Open No. 2005-296366, JP-A-2007-181521 and JP-A-2004-329488 have proposed.
  • Japanese Patent Application Laid-Open No. 2004-329488 proposes to prepare a dedicated inner pot for cooking rice and boiled food and replacing the inner pot depending on the rice cooking and boiled food.
  • the rice cooking unit 1 of the seventh embodiment has the following configuration based on the characteristics of each cooking as described above.
  • 12 is the 2nd input operation means provided in the cover body 1B, Comprising:
  • the 1st display screen 11A comprised with a liquid crystal display screen etc. is provided.
  • 122 is a steam discharger with a circular planar shape. This steam discharger forms a first passage (not shown) for discharging steam generated inside the inner pot 3 during rice cooking. That is, the internal space of the inner pot 3 and the external space of the rice cooking unit 1 are communicated.
  • the steam discharger 122 is proposed by, for example, Japanese Patent Laid-Open Nos. 9-187371 and 2014-83203.
  • FIG. 40 12 is the 2nd input operation means provided in the cover body 1B,
  • the 1st display screen 11A comprised with a liquid crystal display screen etc. is provided.
  • the steam discharger 122 is located at the rear of the first display screen 11A and is detachably mounted in a circular recess 123 that is recessed in a mortar shape.
  • Reference numeral 124 denotes a circular lid, which is formed of a plastic material into a disc shape. The lid 124 closes the upper surface opening of the vapor discharger 122. The lid 124 can be easily opened by the user during cleaning or water injection described later.
  • Reference numeral 125 denotes a hinge shaft that rotatably supports the rear portion of the lid 124. The hinge shaft 125 is a member that connects the lid 1 ⁇ / b> B and the lid 124. With this configuration, the lid 124 is in a substantially vertical state with the hinge shaft 125 as a fulcrum in the most opened state (the posture is self-held in a standing state).
  • a plurality of steam discharge holes 126 are formed so as to penetrate the lid 124 vertically.
  • Reference numeral 127 denotes a water inlet that is exposed when the lid 124 is opened. The water inlet passes vertically through the interior of the steam discharger 122.
  • this steam discharger has a second passage (not shown) for discharging steam generated inside the inner pot 3 during rice cooking.
  • the first passage and the second passage may be used together, the first passage usually has an inner pot with a reduced amount of steam generated during rice cooking inside the inner pot 3. 3)
  • There is a restriction part or control valve mechanism that maintains the atmospheric pressure at the time of boiling, and a check valve that prevents the entry of cold air from the outside may be provided when cooking is completed. As such, it may be formed separately.
  • the surface (upper surface) of the first display screen 11A also serves as a touch-type input screen that allows input by capturing a change in capacitance when the user touches a finger or the like.
  • 120 is a touch-type key and may also be called an icon. This touch key is made to appear in correspondence with the display on the display screen 11B so that the control device 50 can visually recognize the touch key whenever necessary.
  • touch-type input keys are well known and will not be described in detail.
  • 120A is a “cooking key” for instructing the controller 50 to cook rice
  • 120B is a “rice porridge key” for instructing to make porridge
  • 120C is a “boiled key” for instructing to cook boiled and stewed food
  • 120D is a "steaming cooking key” for instructing steaming cooking.
  • Reference numeral 121 denotes an operation start switch, which includes a touch key. The operation start switch 121 disappears from the surface of the first display screen 11 ⁇ / b> A after an operation such as rice cooking is started.
  • These keys 120A to 120D appear in a list state on the second display screen 11B as shown in FIG. 40 when the menu switch 65 is pressed when the rice cooking unit 1 is activated by the induction heating cooker 10. To do. In addition, after touching any one of these keys 120A to 120D, the operation start switch 121 appears on the second display screen 11B.
  • FIG. 41 is a plan view of the lid of the rice cooking unit as in FIG. 41, 120R is a touch type key for returning to the previous screen. When this key is touched, the state of the display screen shown in FIG. 40 is obtained.
  • Reference numeral 128 denotes a touch key for instructing the control device 50 to measure the weight of rice. Once the operation start switch 121 for starting heating is pressed, the key 120R immediately disappears and a weight measurement instruction cannot be performed.
  • 129 is a water amount display unit, which displays the amount of water that is insufficient with respect to the optimum amount of water based on the weight calculated by the weight measuring means 94 as an image. Therefore, triangular figures (indicators) 129A are displayed in a vertical line, but when water is poured into the inner pot 3 and the weight increases, the figure 129A that glows blue increases. The state in which all the five figures 129A are shining blue is the appropriate amount of water. In addition, when water is excessively added, the figure 129A is changed to a red figure 129A instead of the blue shining figure 129A, and all of them flash simultaneously to warn the user that the amount of water is excessive.
  • reference numeral 12T denotes a touch-type input unit that constitutes the second input operation unit 12, and includes the touch-type input keys 120A to 120D and 120R shown in FIGS.
  • the microcomputer (not shown) which comprises the control apparatus 50 operate
  • FIG. 43 is a flowchart showing a control operation when cooked in the rice cooking unit 1.
  • Step SW1 is a case where the stew key 120D is pressed and then the operation start switch 121 is pressed.
  • the control device 50 notifies the start of the stew cooking by the sound notification means 90V (SW2).
  • the control device 50 confirms that the lid 1B is closed by the lid opening sensor 93. If the lid 1B is closed, the control device 50 issues a measurement command signal to the weight measuring means 94, and cooks the rice immediately before the start of the boiling process. The weight of the unit 1 is measured (SW3).
  • the control device 50 receives the measurement result signal from the weight measuring means 94 and stores the weight value indicated therein in the storage means 50R.
  • the measurement result is notified by the notification means 90.
  • the voice notification means notifies that “the current weight is 1500 g” and also displays “measurement result: 1500 g” on the second display screen 11B (SW4).
  • control device 50 transmits basic information necessary for performing the stew cooking to the induction heating cooker 10 by the infrared signal from the infrared signal transmission / reception unit 35.
  • the execution program for the sections A to X is transmitted so that the stew process and the low-temperature heating process can be executed sequentially.
  • control programs for various cooking such as stewed cooking and rice cooking are not sent from the rice cooking unit 1 to the induction heating cooker 10 each time, but are prepared in advance by the induction heating cooker 10 (stored in the storage means 80R).
  • the rice cooking unit 1 may transmit the progress of each process, the temperature data of the inner pot 3 and the like.
  • the induction heating cooker 10 receives a command signal to start cooking from the rice cooking unit 1, drives the heating coil 14 with the inverter circuit 73, and starts the operation of the cooling fan 13.
  • next step SW5 since the inner pot of the rice cooking unit 1 is induction-heated by the heating coil 14 and the temperature rises, it is determined whether or not the boiling temperature has been reached. As shown in FIG. 44, it is necessary to maintain the state where the temperature has reached the boiling level for a predetermined time TY. Although the length of this time changes with ingredients to cook, it is 30 minutes or more, for example. This time TY can be specified in the second input operation means 12 before the start of stew cooking. Alternatively, when the material to be boiled is selected, the time is set by the control device 50.
  • the timing for issuing a measurement command signal to the weight measuring means 94 and measuring the weight of the rice cooking unit 1 is determined in advance by the control device 50.
  • a measurement command can be issued.
  • the stage P1 when the operation start switch 121 is pressed is one (first) of the measurement timing.
  • the stage where the key 128 is arbitrarily pressed is one of the measurement periods.
  • step SW6 the measurement of the elapsed time from the time when the state where the boiling temperature level has been confirmed is started. This time is necessary when it is determined whether or not a “predetermined time TY” described later is maintained. Although the length of this time changes with ingredients to cook, it is 30 minutes or more, for example.
  • step SW7 If it is determined in step SW7 that it is the measurement time, the process proceeds to step SW8, and the control device 50 instructs the weight measurement means 94 to perform a measurement operation. Then, the measurement result signal from the weight measuring means 94 is received, the weight value shown in the signal is compared with the previous weight value stored in the storage means 50R, and it is determined whether or not the weight is reduced (SW9). .
  • step SW9 is “No”, and the next step SW14 is boiled. It is determined whether or not the process (section B in FIG. 44) has been completed.
  • the weight reduction rate is calculated (SW10).
  • the rate (%) is calculated in order to see the influence of the decrease. For example, when the weight is reduced by 100 g, it is equivalent to 6.6% of 1500 g, and is rounded up to “7%”.
  • step SW10 If it is determined “No” in step SW10, the process proceeds to step SW14.
  • the determination is “Yes” the weight value and the change rate (decrease rate) at that time are stored and stored in the storage means 50R (SW12).
  • a display such as “Measurement result: 1300 g. Weight is reduced by 200 g” is displayed on the second display screen 11B. Similar information is also notified by voice in the voice notification means 90V.
  • control device 50 transmits a command signal for urgently stopping the stew cooking to the induction heating cooker 10 by the infrared signal from the infrared signal transmitting / receiving unit 35 (SW13). Thereby, the cooking by the rice cooking unit 1 is stopped.
  • step SW14 it is determined whether or not the boiling process (section B in FIG. 44) has been completed. If the boiling process has been completed, the process proceeds to the next low-temperature heating process.
  • FIG. 44 is an explanatory diagram of control patterns in stew cooking of the rice cooking unit 1.
  • the vertical axis indicates the temperature of the inner pot 3, and the horizontal axis indicates the elapsed time from the start of stew cooking.
  • the temperature of the inner pot 3 is measured by the inner pot temperature detecting means 5.
  • the heating coil 14 is heated with the maximum heating power (for example, 1300 watts), and the temperature of the inner pot 3 rises to about 100 ° C. to 105 ° C. at a stretch.
  • the inner pot temperature detection means 5 detects that the temperature of the inner pot 3 has reached 100 ° C. or higher, this temperature data is transmitted from the infrared signal transmitting / receiving unit 35 to the induction heating cooker 10 as an infrared signal. .
  • the induction heating cooker 10 controls the inverter circuit 73 to reduce the heating power and maintain the state for a predetermined time (TY). Actually, it is not always necessary that the temperature is 100 ° C., and it is only necessary to maintain 98 ° C. or higher.
  • step SW14 in FIG. 43 When it is determined in step SW14 in FIG. 43 that the boiling process (section B in FIG. 44) has been completed, the process proceeds to step SW15 in the low temperature heating process in FIG.
  • the induction heating cooker 10 stops the inverter circuit 73 and does not perform induction heating at all. And it waits until the inner pot temperature detection means 5 of the rice cooking unit 1 detects that the inner pot 3 naturally cools to 85 degreeC.
  • the inner pot temperature detecting means 5 detects that the inner pot 3 has cooled naturally to 85 ° C.
  • an infrared signal indicating the temperature detection data is received.
  • the inverter circuit 73 is turned on. Drives and heats the inner pot 3. The temperature is maintained around 80 ° C to 85 ° C.
  • the section D is induction-heated
  • the section E is naturally radiated
  • the subsequent section N is again induction-heated.
  • the liquid penetrates and becomes delicious.
  • the length of the low-temperature heating process is not constant and varies depending on the type and amount of the boiled food. It may take more than a few hours to slowly boil meat and vegetables and infiltrate the broth into the inside. And finally, the induction heating by the heating coil 14 is stopped, and it waits until it cools naturally. In FIG. 44, when the temperature finally decreases to about 70 ° C., cooking of the stewed food is completed. At this time, the notification means 90 of the rice cooking unit 1 and the notification means 90 of the induction heating cooker 10 respectively cook the food. An end notification is given.
  • P1 to P4 shown in FIG. 44 are timings (measurement times) when the rice cooking unit 1 issues a measurement command signal to the weight measuring means 94 and measures the weight of the rice cooking unit 1 as described above.
  • the section B, the section E in which heating in the heating coil 14 is temporarily stopped (pause), and the section X for natural heat dissipation are set once each.
  • the possible cause is that the boiling is intense and the water is excessively evaporated. It is assumed that the cooking liquid overflows from the inner pot 3 due to intense boiling or boiling.
  • the weight measuring means 94 grasps that the broth and the seasoning liquid have decreased at a predetermined measurement time, and when it is excessively reduced, the heating operation is performed halfway. Can be automatically stopped. For this reason, even if the user does not always watch by the side, it is possible to cook with confidence in stewed cooking that requires a relatively long time.
  • the heating coil 14 is stopped (paused). For this reason, while heating is stopped in this way, measurement can be performed in a quiet state without the influence of convection of the cooking object inside the inner pot 3 or slight vibration due to boiling, and accurate weight measurement can be expected.
  • the steam discharger is used to allow water to be poured into the inner pot 3.
  • the lid 1B is closed.
  • the lid 124 is opened, and water can be replenished from above the water inlet 127 with a cup or the like.
  • the weight measuring means 94 measures the weight at that time.
  • the total weight including the amount of water suitable for the amount of rice and the total weight of the inner pot 3 as a result of water injection Can be recognized by the graphic 129 ⁇ / b> A displayed on the water amount display unit 129.
  • a numerical value indicating an insufficient amount of water may be displayed.
  • the seventh embodiment has a configuration that improves the convenience of adjusting the amount of water before the start of cooking rice.
  • the electric rice cooker 100 shown in this Embodiment 7 is the same as that of Embodiment 1, and the cooling fan 13 which supplies the cooling air for cooling the heating coil 14 to the inside of the induction heating cooking appliance 10;
  • the infrared communication unit 34 for transmitting an infrared signal including control information for rice cooking between the induction heating cooker 10 and the rice cooking unit 1 and the power receiving coil 7 provided in the rice cooking unit 1 are not connected.
  • a power transmission coil 17 for supplying power by contact Furthermore, it has 1st ventilation path SH1 and 2nd ventilation path SH2 into which the cooling air from the said cooling fan 13 is introduce
  • the said heating coil 14 is cooled with the cooling air of 1st ventilation path SH1,
  • the infrared communication part 34 is a structure cooled with the cooling air of 2nd ventilation path SH2.
  • positioned inside the induction heating cooking appliance 10 can be prevented from overheating. Furthermore, the temperature rise of this power transmission coil can also be suppressed by arrange
  • FIG. 45 to 46 relate to the eighth embodiment of the present invention.
  • FIG. 45 is a plan view of an electric rice cooker and an induction heating cooker.
  • FIG. 46 is a longitudinal sectional view taken along the line XX in FIG. 45 as viewed from the right direction (R direction).
  • symbol is attached
  • the induction heating cooker 10 includes so-called heating portions (also referred to as “heating ports”) on the top plate 22 at symmetrical positions with respect to the left and right center line CL1.
  • heating portions also referred to as “heating ports”
  • One of the features is that it is a “two-mouth” induction heating cooker.
  • One heating section (heating port) is provided with one or a plurality of heating coils.
  • a “multi-coil system” has been proposed in addition to a system in which a plurality of annular heating coils are arranged concentrically and one object to be heated is heated by these heating coils.
  • a large number of heating coils having a circular outer shape with a diameter of several centimeters to 10 cm are regularly arranged below the top plate 22. All of these heating coils have the same shape, the same structure (winding structure, etc.), and the same heating capacity (rated maximum heating power). That is, the same heating coils are regularly arranged in the front, rear, left, and right, and the heating coils are arranged as close to each other as possible.
  • a group of four or more heating coils adjacent to each other is arranged in one heating port, and the group of the heating coils constitutes “one heating port”.
  • a heated object placement detection method for determining whether or not a heated object such as a metal pan is placed.
  • Japanese Patent Application Laid-Open No. 2010-165656 has not been described in detail. An example is shown in the publication. It also uses an optical sensor that emits light toward the bottom of the object to be heated and uses the reflected light to detect the presence of the object to be heated, or detects the amount of weak current flowing through the induction heating coil. Various methods such as a method of detecting the presence of an object to be heated can be applied.
  • the multi-coil system as described above can also be adopted at the heating port of the induction heating cooker 10 in the eighth embodiment, but in the eighth embodiment, a normal annular heating coil is arranged.
  • the right operation unit 20R is provided so that the control condition of the right heating unit (heating port) can be input with the left and right center line CL1 interposed therebetween.
  • the left operation unit 20L is provided so that control conditions for the left heating unit (heating port) can be input.
  • the operation button 150A of the main power switch 150 (not shown) is arranged in the front portion at the left and right center portion of the top plate 22 so that the left and right center line CL1 crosses. It is one feature.
  • the induction heating cooker 10 has a cooling fan 13, a heating coil 14, a power transmission coil 17, a partition wall 47 that forms a first air passage SH ⁇ b> 1, a control device 50, and a first input in its internal space.
  • the operation means 20 and the infrared signal transmission / reception part 34 which comprises an infrared communication part are provided.
  • the heating coil 14 is installed on a support plate 140 called a coil base made of heat-resistant plastic or the like.
  • the support plate 140 is formed with a large number of large through-holes 141 in order to increase the air permeability.
  • 10H is a large circular opening formed on the upper surface of the main body case 10A of the induction heating cooker 10, and is formed one by one in the heating opening. That is, they are formed with the same size (diameter) at symmetrical positions with respect to the left-right center line CL1.
  • a heating coil 14 is installed in accordance with this opening.
  • Reference numeral 142 denotes a magnetic shielding plate installed horizontally so as to cover the entire lower portion of the heating coil 14.
  • Reference numeral 143 denotes a circuit board on which the inverter circuit 73 is mounted, on which various electrical components such as a semiconductor power control element and a switching element are mounted.
  • Reference numeral 144 denotes a support plate that supports the circuit board.
  • the cooling fan 13 is disposed close to the intake port 145 formed on the bottom wall surface of the main body case 10A.
  • the intake port 145 is configured by a number of thin slit-shaped or small-diameter holes.
  • 13C is a fan case with upper and lower openings.
  • Reference numeral 13M denotes a fan motor installed directly above the intake port 145, whereby the fan 13F is rotationally driven. 46, the circle indicated by the broken line indicates the range of the intake port 145. The circle indicated by the broken line on the outside indicates the outer shape of the fan case 13C.
  • the partition wall may be integrally formed from the bottom wall surface of the plastic main body case 10A, but may be formed as a separate member. As shown in FIG. 45, the partition wall 47 is formed so as to reach the ceiling surface from the bottom wall surface of the main body case 10A.
  • the partition wall 47 is around the three members of the cooling fan 13, the heating coil 14, and the power transmission coil 17, and the left and right sides and the front side are spaced apart from them. It is formed in a series so as to surround three directions.
  • the inside of the partition wall 47 is the (first) air passage SH1 of the cooling fan 13.
  • the rear end portion 47E of the partition wall 47 extends to the back surface (rear wall surface) of the main body case 10A. Therefore, the partition wall 47 defines a first air passage SH1 in the main body case 10A. ing.
  • the rear end portion 47E on the left side of the partition wall 47 approaches so as to approach the exhaust port 148 side described later as it goes to the rear end.
  • 147 is a support plate on which the main controller 80 is placed, 148 is an exhaust port formed in a large number on the back surface (rear wall surface) of the main body case 10A, for cooling through the inside of the first air passage SH1. It is for air to be discharged.
  • Reference numeral 142 denotes a magnetic shielding plate installed horizontally so as to cover the entire lower portion of the heating coil 14.
  • Reference numeral 143 denotes a circuit board on which the inverter circuit 73 is mounted, on which various electrical components such as a semiconductor power control element and a switching element are mounted.
  • Reference numeral 144 denotes a support plate that supports the circuit board.
  • the top plate temperature detection means 74 uses, for example, a thermistor (temperature detection element) 74S as a contact-type temperature sensor that measures the temperature by contacting the back surface (lower surface) of the top plate 22.
  • 74C is a signal line for transmitting temperature detection result data to the detection circuit 74A, and connects the thermistor 74S to the detection circuit 74A.
  • the temperature data detected from the detection circuit 74A is transmitted to the main controller 80.
  • the thermistor (temperature detection element) 74S is installed so as to penetrate through the center portion (hollow portion) of the heating coil 14 having a hollow annular shape in plan view.
  • the inside of the induction heating cooker 10 is partitioned forward and backward by the partition wall 47 at the rear part of the first input operation means 20, and the front FR side space 146 and the rear BU side space of the partition wall 47 are air. Is not in circulation.
  • the meaning of “does not flow” here does not mean that the air flow is completely blocked in a strict sense, but the air inside the first air passage SH1 is separated from the partition wall 47. It is the degree that does not flow beyond.
  • the infrared communication unit 34 mainly shows the internal structure of the right half from the left and right center line CL1, but the arrangement of the heating coil 14, the cooling fan 13, etc. is basically the same in the left half. However, on the left side, when the rice cooking unit 1 is not used, the infrared communication unit 34 may not be installed.
  • the rice cooking unit 1 is indicated by a broken-line frame in FIG. When it has a planar size that can cover only the right half from the left and right center line CL1 of the induction heating cooker 10, and as is apparent from FIG. 46, when trying to cook rice at the right heating port of the induction heating cooker 10
  • the main body case 10A can cover the right operation portion 20R, but even in this case, the operation button 150A of the main power switch 150 is not covered.
  • the operation button 150A of the main power switch 150 is arranged at the left and right center portion of the top plate 22 so as to cross the left and right center line CL1, the induction heating cooker 10 is used alone.
  • the main power switch 150 needs to be turned on by pressing the operation button 150A first. After cooking, the operation button 150A may be pressed to turn off the main power switch 150.
  • the operation button 150A is pressed, the main power is cut off and the heating operation is stopped.
  • the infrared temperature sensor 5B used in the first embodiment is not used.
  • a contact-type temperature sensor (temperature detection element) 74 ⁇ / b> S that contacts the back surface (lower surface) of the top plate 22 and measures its temperature is used.
  • the configuration can be simplified.
  • the electric rice cooker 100 realizes the third invention with the following configuration. That is, the induction heating cooker 10 provided with the induction heating coil 14 and the first input operation means 20 that is positioned in front of the heating coil 14 and inputs the induction heating condition; A rice cooking unit 1 that includes an inner pot 3 that contains a cooked rice and is heated by the heating coil 14, and a second input operation means 12 that inputs rice cooking conditions; The induction heating cooker 10 includes an infrared communication unit 34 for exchanging information necessary for rice cooking control between the cooling fan 13 that supplies cooling air to the heating coil 14 and the rice cooking unit 1.
  • a partition wall 47 that partitions the internal space of the induction heating cooker 10 is provided, and the partition wall 47 defines a first air passage SH1 that guides the cooling air from the cooling fan 13 toward the heating coil 14, and
  • the infrared communication unit 34 has a configuration in which the cooling air flow of the cooling fan 13 is arranged upstream of the heating coil 14 inside the first air passage SH1.
  • the heat of the heating coil 14 having a relatively high temperature is released to the outside of the main body case 10 ⁇ / b> A by the cooling air from the cooling fan 13.
  • the infrared communication part 34 is arrange
  • the electric rice cooker 100 having this configuration it is possible to prevent overheating of the infrared communication unit 34 disposed inside the induction heating cooker 10. Further, since the power transmission coil 17 is arranged upstream of the heating coil 14 in the flow of the cooling air, the temperature rise of the power transmission coil can be suppressed by the cooling air of the cooling fan 13.
  • the electric rice cooker of Embodiment 8 is An induction heating cooker 10 including an induction heating coil 14 and a first input operation means 20 that is positioned in front of the heating coil 14 and inputs induction heating conditions; A rice cooking unit 1 that includes an inner pot 3 that contains a cooked rice and is heated by the heating coil 14, and a second input operation means 12 that inputs rice cooking conditions;
  • the induction heating cooker 10 has a right heating unit (heating port) and a left heating unit (heating port) for heating an object to be heated on both the left and right sides of the upper and lower center line CL1 on the upper surface,
  • the induction heating cooker 10 exchanges information necessary for rice cooking control between the cooling fan 13 that supplies cooling air to the heating coil 14 and the induction heating cooker 10 and the rice cooking unit 1.
  • first air passage SH1 for guiding the cooling air from the cooling fan 13 toward the heating coil 14;
  • an operation button 150A serving as an operation surface of the main power switch 150 is disposed on the top surface of the induction heating cooker 10.
  • the rice cooking unit 1 When the rice cooking unit 1 is placed right above the right heating unit or the left heating unit, the rice cooking unit 1 has a planar size that covers the right heating unit or the left heating unit dedicated to the heating unit from above.
  • the operation surface (operation button 150A) of the main power switch 150 is in an exposed state even when the rice cooking unit 1 is placed right above any of the right heating unit and the left heating unit. It is the structure to do.
  • the right heating unit and the left heating unit can each be cooked, and the operation button 150A of the main power switch is exposed even when the rice cooking unit 1 is placed directly above either the right heating unit or the left heating unit. Therefore, cooking can be performed using the heating unit (heating port) and the operation unit on the side where the rice cooking unit 1 is not placed. For this reason, it is highly convenient for the user.
  • FIG. 47 is related to Embodiment 9 of this invention, and is a top view of an electric rice cooker.
  • FIG. 48 is a longitudinal sectional view taken along line XX of the electric rice cooker shown in FIG.
  • FIG. 49 is a plan view of a lid body of the rice cooking unit of the electric rice cooker of FIG.
  • FIG. 50 is a flowchart 1 illustrating a control operation during rice cooking in the rice cooking unit of FIG. 47.
  • FIG. 51 is a flowchart 2 illustrating a control operation during rice cooking in the rice cooking unit of FIG. 47.
  • FIG. 52 is a flowchart 3 showing the control operation during rice cooking in the rice cooking unit of FIG.
  • symbol is attached
  • the rice cooking unit 1 is indicated by a broken-line frame in FIG.
  • the induction heating cooker 10 according to the ninth embodiment includes so-called heating units (also referred to as “heating ports”) on the top plate 22 at symmetrical positions with respect to the left and right center line CL1.
  • heating units also referred to as “heating ports”
  • One of the features is that it is a “two-mouth” induction heating cooker, and the configuration is similar to the eighth embodiment.
  • the electric rice cooker 100 in this Embodiment 9 further improves any form when the weight measuring means 94 is provided in the rice cooking unit 1 or when the weight measuring means 94 is provided in the induction heating cooker 10, Another significant feature is that the user can check the weight measurement history of rice. This makes it possible to check how much rice has been cooked by weight in the past, which can be useful information for new rice purchases, inventory check, and the like.
  • the difference between the ninth embodiment and the eighth embodiment is the position of the cooling fan 13. That is, as shown in FIG. 48, the cooling fan 13 is arranged at a position directly below the heating coil 14 so that the heating coil 14 directly above can be cooled when the sucked cold air is blown upward. It is.
  • the induction heating cooker 10 in the first to eighth embodiments is “portable” that can be freely moved to a place where the user uses, like the rice cooking unit 1.
  • the induction heating cooker 10 according to the ninth embodiment may be portable, but is configured assuming a “built-in” (built-in) configuration installed in kitchen furniture such as a sink. Yes.
  • the power plug 101 is always connected to a dedicated power source provided on the wall side of the house on the back side of the kitchen furniture.
  • the main power switch 150 (not shown) is operated at the left and right center portion of the top plate 22 so that the left and right center line CL1 of the induction heating cooker 10 crosses.
  • Button 150A is arranged. And also when using the induction heating cooking appliance 10 independently, when mounting the rice cooking unit 1 and cooking rice etc., it is necessary to push the said operation button 150A first and to turn ON a main power switch. After cooking, the operation button 150A may be pressed to turn off the main power switch.
  • the infrared signal transmission / reception unit 34 is composed of an infrared signal transmission unit 34A and an infrared signal reception unit 34B.
  • the signals of both the infrared signal transmitting unit 34A and the infrared signal receiving unit 34B are analyzed and processed by one second signal processing unit 36B, and the result of transmission / reception data analysis is output to the control device 50.
  • reference numeral 17 denotes a power transmission coil, which is on the downstream side of the (first) air passage SH1 from the cooling fan 13, but is separated from the heating coil 14 in the vertical direction, and the rear surface (rear side) of the main body case 10A. Since it is also away from the exhaust port 148 on the wall surface, it does not touch the warm air after the heating coil 14 is cooled.
  • reference numeral 40 denotes a support substrate that supports the infrared signal transmission / reception unit 34.
  • the support substrate 40 is horizontally supported with the left end connected to the partition wall 47.
  • such a structure is not adopted, and the support substrate 40 is supported by a horizontal operation unit support frame 151 that supports the electronic switch 41.
  • reference numeral 153 denotes a history display key for instructing the control device 50 to display or notify the weight measurement result (by the voice notification means 90V) based on history data obtained by measuring the weight of rice in the past.
  • This history display key is displayed at a timely timing on the first display screen 11A having a touch-type input screen function. Preferably, it is displayed at the timing when the first display screen 11A is activated.
  • the history display key 153 may be displayed at the time of step SF4 in FIG.
  • the functions of the first display screen 11A and other various keys are the same as those described with reference to FIG.
  • the steam discharger 122 is the same as that described with reference to FIG.
  • the water amount display unit 129 described in FIG. 40 is also displayed on the first display screen 11A (in FIG. 49, the water amount display unit 129 is not shown).
  • FIGS. 50 to 52 operation steps of the rice cooking unit 1 shown in FIGS. 50 to 52 will be described.
  • the operation steps in FIG. 50 have basically the same parts as the steps shown in FIG. 19 of the first embodiment, and therefore, the reference numerals also partially show the symbols of the steps shown in FIG.
  • the operation steps of the rice cooking unit 1 are indicated by SF1 to SF14.
  • the power reception coil 7 starts to be driven by the power transmission coil 17 (SF1).
  • the control apparatus 50 is by the thermistor 5A and other electric current sensors (not shown).
  • a self-check is started to check whether there are any abnormalities in the internal components of the rice cooking unit 1 (SF2).
  • the infrared signal of the induction heating cooking appliance 10 sends a predetermined infrared signal from the infrared signal transmission / reception part 35.
  • a call is sent to the transmission / reception unit 35.
  • the infrared signal for confirmation from the induction heating cooking appliance 10 is received by the infrared signal transmission / reception part 34 (SF3).
  • SF3 infrared signal transmission / reception part 34
  • the first display screen 11A of the lid 1B is activated, and the second display screen 11B is not activated (SF4). This is because it is not yet the stage for measuring the weight of rice, and it is not necessary to activate and display the second display screen 11B, and it also saves energy.
  • step SF4 for example, the notifying means 90 performs a voice guide that “cooking rice will start”.
  • the control device 50 asks the user whether or not it is necessary to report the weight measurement history of rice retroactively through the first display screen 11A and the voice notification means 90V (SF5).
  • the input key also referred to as “icon”
  • a history display instruction means such as a push button type, which is always provided in the operation means 12, is operated.
  • step SF5 becomes “Yes”, and in the next step (SF6), the previous rice cooking which is accumulated in the storage means 50R of the control device 50 for collecting data of the weight measurement history of rice. The measurement result up to the time is read.
  • the voice notification means 90V or the voice notification means 70V for example, “The weight measurement result of rice was 300 g. Voice guidance like "I will do” is performed and rice cooking operation is started.
  • the data of the weight measurement result of the rice (during the latest measurement) performed immediately before is stored in the control device 50 in time series. It is stored in the means 50R. For this reason, for example, the weight of rice that the user wants to know, such as the cumulative weight of the past month or week, the cumulative weight of the past 10 times, the average weight of cooked rice for the past 10 times or the past month, etc. The results can be reported.
  • the voice notification means 70V on the induction heating cooker 10 side also uses the weight of the rice as described above. It can alert
  • the control device 50 measures the rice measured during the past (at least one month or 30 times of rice cooking) accumulated in the storage means 50R. Read the weight.
  • the control device 50 collects weight measurement values for the past 30 days or 31 days from the time when the history display key 153 is pressed, for example, using time information from a time measuring means (clock circuit) 50T for calculating time, By further utilizing this, an average weight for one week or the past 30 times is calculated and displayed as a history display unit 154 on the first display screen 11A.
  • the control apparatus 50 utilizes the data.
  • control device 50 activates the second display screen 11B (SF7). Then, information on the rice weight measurement history is displayed on the second display screen 11B (SF8). Note that the second display screen 11B may be displayed on the already started first display screen 11A without being activated.
  • control device 50 performs a display for confirming whether or not to continue cooking rice on the first display screen 11A, and also performs similar notification on the voice notification means 90V (SF9).
  • a desired rice cooking menu can be set with the menu switch 65 as described in the first embodiment (SF11). Further, on the first display screen 11 ⁇ / b> A, the menu at the time of the previous rice cooking is read from the storage unit 50 ⁇ / b> R of the control device 50 and displayed. As described in the first embodiment, every time the menu switch 65 is pressed, the display on the menu display unit 62 is switched to “risotto”, “rice porridge”, or “cooking”. Information regarding the rice cooking menu set by the menu switch 65 is input to the control device 50.
  • the type of rice may be displayed. For example, to display “white rice” and change it, the switch 63 (see FIG. 7) may be pressed. If you press once, the selection frame advances to the next candidate in sequence, such as “washless rice”, if you press it twice, and “sprouted brown rice”, and it goes to the original “white rice”, so you can select the desired rice variety.
  • information on the cooked rice that is, the hardness of the rice
  • SF12 information on the cooked rice
  • SF13 information on rice brands
  • control device 50 displays that the weight of rice can be measured. Further, the sound notification means 90V also notifies.
  • the ability to measure the weight of rice may be displayed on the second display screen 11B or may be displayed on the first display screen 11A. Both may be displayed.
  • the voice notification means 90V notifies that the mode is automatically switched to the voice input mode.
  • This voice guide includes an explanation of putting only rice in the inner pot 3 and measuring the weight with the lid 1B open. Then, the mode is automatically switched to the voice input mode (SF16).
  • the notifying means 90 performs a voice guide for asking again whether or not the user desires a mode for measuring the weight (SF17). Depending on the user who is proficient in cooking rice, the amount of water can be adjusted to an appropriate level by experience. , A voice is input through a microphone provided at an appropriate location on the lid 1B, and the process proceeds to a normal step SF28. At the same time, the voice input mode is automatically canceled.
  • step SF17 when the user utters that the weight measurement mode is desired, the control device 50 determines whether or not the lid 1B is open (SF18). This determination is performed by the control device 50 determining the output from the lid opening sensor 93. In addition, when the lid 1B is not opened, it may be guided by voice so as to be opened by the voice notification means 90V.
  • the control device 50 calculates the weight of the whole rice cooking unit 1 from the measured values of the four weight sensors 4 by the weight measuring means 94 (SF20). ).
  • the measured result is notified by the sound notification means 90V (SF21). At the same time, it is displayed on the second display screen 11B. Then, the amount of water commensurate with the weight is calculated, and the result is notified by the voice notification means 90V and the second display screen 11B (SF22).
  • the weight measuring means 94 determines whether the appropriate weight and the current weight are in the process of injection. The deviation is calculated and notified by voice (SF23).
  • control device 50 determines that the water level has finally reached an appropriate level after such water injection or excessive water removal process (SF25). If the control device 50 determines that the water level has finally reached an appropriate level after such water injection or excessive water removal process (SF25), the voice notification that the voice input mode is automatically canceled is given. Notification is made on the means 90V and the second display screen 11B (SF26), and the process proceeds to step SF27. That is, when the adjustment of the amount, type, brand, and amount of water of rice is finally finished, the fact that the appropriate amount of water has been measured is notified by the voice notification means 90V and the second display screen 11B (SF27).
  • step SF28 shown in FIG. 52 the user is asked to confirm whether or not the input in the second input operation means 12 has been completed. It is recommended by voice that the operation start switch 121 is pressed to start the rice cooking operation. For example, in the voice notification means 90V, a voice guide such as “Start cooking rice with white rice and how to cook is ... Please press the rice cooking start button if you like” is performed.
  • the voice notification means 90V for example, “The weight measurement result of rice was 300 g. We have decided, so we will start cooking rice.For white rice, how to cook... .The expected time for cooking is 18:50. Further, the second display screen 11B finishes (turns off) the display operation (SF29).
  • the control device 50 estimates that there is no user cancel operation and transmits a predetermined “rice cooking command signal” to the induction heating cooker 10.
  • the command signal is transmitted from the infrared signal transmission / reception unit 35 to the infrared signal transmission / reception unit 34 (SF30).
  • the “rice cooking command signal” here is not a control program for determining details of the rice cooking process. If basic data indicating the quantity, type, brand, etc. of rice is sent, a heating coil for cooking rice using computer software (rice cooking control program) stored in the storage means 80R of the main controller 80 based on the basic data 14 energization control can be executed. However, you may transmit directly the control program itself which confirms the detail of a rice cooking process.
  • SF31 it is determined whether or not the preheating process is finished.
  • the process proceeds to the next step (SF32), and the infrared signal transmitting / receiving unit 35 indicates that the preheating process is finished.
  • the signal is transmitted in infrared.
  • SF33 it is determined whether the rice cooking process is over. If it is determined that the rice cooking process is over, the process proceeds to the next step, and a signal indicating that the rice cooking process is over is sent from the infrared signal transmitting / receiving unit 35 to the infrared ray. (SF34).
  • SF35 it is determined whether or not the unevenness process has been completed. If it is determined that the unevenness process has ended, the process proceeds to the next step, and the infrared signal transmitting / receiving unit 35 indicates that the unevenness process has ended. Is transmitted by infrared rays (SF36).
  • the notification means 90 on the side of the rice cooking unit 1 displays the end of rice cooking (end of unevenness) on the first display screen 11A, and the notification means 90 also informs by voice that the cooking process has been completed and the unevenness process has been completed. (SF37). A series of rice cooking operations are completed by the above steps.
  • the history display key 153 can instruct the control device 50 to read the result of measuring the weight of the rice retroactively for a certain period in the past, and press and hold the key 153 (for example, for 5 seconds or more). ), This key disappears immediately, and past weight measurement results are erased.
  • the wireless communication module (wireless communication unit) 26 is installed in the space 146 in front of the partition wall 47 of the induction heating cooker 10.
  • wireless communication can be performed with local network equipment (including power command devices) installed in the home. Information can be exchanged between.
  • the remote control signal with respect to the rice cooking unit 1 can also be received.
  • the weight measuring means 94 since the weight measuring means 94 is provided in the rice cooking unit 1, the weight data measured immediately before the rice cooking start command among the rice weight data acquired by the control device 50 is actually cooked.
  • the infrared signal transmitting / receiving unit 35 transmits the data to the induction heating cooker 10 side. This transmission is performed when the rice cooking unit 1 is first activated by the induction heating cooker 10, that is, each time when one rice is cooked, or when data is transmitted up to the previous time, or when the rice cooking process is started. Any method may be used.
  • the main controller 80 stores the weight measurement data transmitted from the rice cooking unit 1 in the storage unit 80R in the order of reception, and transmits the weight measurement data to the power command device (not shown) via the wireless communication unit 26. .
  • the data is transmitted to a remote information communication terminal device 115 or a specific external organization 113 through a communication network 114 such as an Internet line via a local network facility.
  • this weight measurement data is transmitted to an external organization (for example, a rice sales company) 113 outside the living space HA
  • the identification information of the electric rice cooker 100 is also transmitted at the same time.
  • the need for the institution 113 to supply rice, the delivery time, etc. can be grasped.
  • the external organization 113 also provides rice delivery information, information on new brand rice, and the like, so that convenience for the user can be enhanced.
  • the rice cooking unit 1 includes the wireless communication unit (input / output means) 91 that performs near field communication (NFC) on the lid 1B, the information communication terminal device 115 having the NFC function is approached or contacted. Then, communication can be performed, and the weight measurement data of rice accumulated in the rice cooking unit 1 can be directly acquired.
  • NFC near field communication
  • the electric rice cooker 100 has the configuration of the second invention. That is, the induction heating cooker 10 provided with the induction heating coil 14 and the first input operation means 20 that is positioned in front of the heating coil 14 and inputs the induction heating condition; A rice cooking unit 1 that includes an inner pot 3 that contains a cooked rice and is heated by the heating coil 14, and a second input operation means 12 that inputs rice cooking conditions; The induction heating cooker 10 includes an infrared communication unit 34 for exchanging information necessary for rice cooking control between the cooling fan 13 that supplies cooling air to the heating coil 14 and the rice cooking unit 1.
  • a partition wall 47 that partitions the internal space of the induction heating cooker 10 is provided, and the partition wall 47 defines a first air passage SH1 that guides the cooling air from the cooling fan 13 toward the heating coil 14, and
  • the infrared communication unit 34 is configured to be disposed on the opposite side of the heating coil 14 with the partition wall 47 interposed therebetween.
  • the heat of the heating coil 14 having a relatively high temperature is released to the outside of the main body case 10 ⁇ / b> A by the cooling air from the cooling fan 13. And since the infrared communication part 34 is arrange
  • the infrared communication unit 34 is disposed on the opposite side of the heating coil 14 with the partition wall 47 interposed therebetween, and on the opposite side of the heating coil 14 with the cooling fan 13 interposed therebetween. Therefore, the temperature rise is further suppressed.
  • the ninth embodiment is an electric rice cooker adopting the configuration of the fourth invention. That is, the electric rice cooker of Embodiment 9 is An induction heating cooker 10 including an induction heating coil 14 and a first input operation means 20 that is positioned in front of the heating coil 14 and inputs induction heating conditions; A rice cooking unit 1 that includes an inner pot 3 that contains a cooked rice and is heated by the heating coil 14, and a second input operation means 12 that inputs rice cooking conditions; The induction heating cooker 10 has a right heating unit (heating port) and a left heating unit (heating port) for heating an object to be heated on both the left and right sides of the upper and lower center line CL1 on the upper surface, The induction heating cooker 10 exchanges information necessary for rice cooking control between the cooling fan 13 that supplies cooling air to the heating coil 14 and the induction heating cooker 10 and the rice cooking unit 1.
  • first air passage SH1 for guiding the cooling air from the cooling fan 13 toward the heating coil 14;
  • a right operation unit 20R and a left operation unit 20L for inputting heating conditions for each heating unit are arranged on both the left and right sides of the center line CL1, respectively.
  • an operation button 150A serving as an operation surface of the main power switch 150 is disposed on the top surface of the induction heating cooker 10.
  • an operation button 150A serving as an operation surface of the main power switch 150.
  • the right heating unit and the left heating unit can each be cooked, and the operation button 150A of the main power switch is exposed even when the rice cooking unit 1 is placed directly above either the right heating unit or the left heating unit. Therefore, cooking can be performed using the heating unit (heating port) and the operation unit on the side where the rice cooking unit 1 is not placed. For this reason, it is highly convenient for the user.
  • FIG. FIG. 53 is related to Embodiment 10 of this invention, and is a longitudinal cross-sectional view of an electric rice cooker. In the rice cooking unit 1, only the lower part is illustrated. The same or corresponding parts as those in the first embodiment are denoted by the same reference numerals, and redundant description is omitted.
  • 39A is the 1st bottom plate formed integrally with main body case 10A which comprises the outline of the rice cooking unit 1, and is formed with the heat resistant plastic etc. with low heat conductivity.
  • 39B is a second bottom plate fixed to the lower surface of the first bottom plate 39A so as to cover the lower side of the first bottom plate 39A, and is formed of a heat-resistant plastic having a low thermal conductivity.
  • reference numeral 171 denotes convex portions formed so as to be scattered on the lower surface of the second bottom plate 39B of the rice cooking unit 1, and may be formed by integral molding at the time of molding the second bottom plate 39B itself. Alternatively, another member may be attached or welded to the second bottom plate 39B. The intervals at which the convex portions 171 are formed may be uniform over the entire lower surface of the second bottom plate 39B or may be provided non-uniformly. The height of the convex portion 171 is about several mm. As shown in FIG. 53, the vertical cross-sectional shape of the convex portion 171 may be a semicircular shape in addition to a trapezoidal shape.
  • the convex portion 171 is formed of, for example, a heat resistant plastic having a low thermal conductivity. Further, it may be made of a rigid material or may be formed of elastic silicon rubber.
  • G2 is a facing interval formed between the top surface of the top plate 22 of the induction heating cooker 10 and the facing surface of the second bottom plate 39B of the rice cooking unit 1, and the height is about several millimeters. It is.
  • the facing interval is formed by the convex portion 171 hitting the upper surface of the top plate 22.
  • the bottom plate 39 described in the first embodiment has a single-sheet structure.
  • the first bottom plate 39A and the second bottom plate 39B have a two-plate structure.
  • SX is a sealed space formed between the first bottom plate 39A and the second bottom plate 39B, and is an air layer that exhibits thermal insulation performance in order to reduce thermal conductivity.
  • both the first bottom plate 39A and the second bottom plate 39B are kitchen furniture. It is possible to avoid the occurrence of defects such as thermal deformation. In addition, since the amount of heat released from the inner pot 3 can be suppressed, the heat retention time of the rice can be extended.
  • the gap S is a space formed between the upper surface of the induction heating cooker 10 and the opposing surface of the second bottom plate 39B of the rice cooking unit 1.
  • the gap S does not exist at a position directly above the top plate 22 but is formed only around the top plate 22.
  • a gap S is formed above the induction heating cooker 10 including the position directly above the top plate 22.
  • the height of the gap is about 3 mm to 5 mm at a position directly above the top plate 22, and at the outer periphery, that is, at a position avoiding the position directly above the top plate 22, as described in the first embodiment. It is about 10 mm to 15 mm.
  • the portion of the power receiving coil 7 is covered with an electrically insulating cover. Only protrude downwards.
  • the bottom portion of the inner hook 3 penetrates the first bottom plate 39A and reaches the vicinity of the upper surface of the second bottom plate 39B below the first bottom plate 39A.
  • Such a structure is employed in order to make the bottom portion of the inner hook 3 as close to the heating coil 14 as possible.
  • the electric rice cooker having the following configuration is disclosed in the tenth embodiment. That is, the tenth embodiment An induction heating cooker 10 provided with an induction heating coil 14 and a first input operation means 20 which is located on the front side of the heating coil 14 and inputs heating conditions; A rice cooking unit 1 that includes an inner pot 3 that contains a cooked rice and is heated by the heating coil 14, and a second input operation means 12 that inputs rice cooking conditions; In the state where the rice cooking unit 1 is placed on the induction heating cooker 10, the rice cooking unit 1 covers the upper side of the first input operation means 20.
  • the induction heating cooker 10 has a cooling fan 13 for supplying cooling air for cooling the heating coil 14, and the induction heating cooker 10 and the rice cooking unit 1 for cooking rice.
  • An infrared communication unit 34 for transmitting an infrared signal including control information, and a power transmission coil 17 that supplies power to the power receiving coil 7 provided in the rice cooking unit 1 in a non-contact manner, are provided.
  • the bottom surface of the rice cooking unit 1 has a two-layer structure including a first bottom plate 39A and a second bottom plate disposed below the first bottom plate 39A.
  • FIG. 54 to 56 relate to the eleventh embodiment of the present invention.
  • FIG. 54 is an overall plan view showing the positional relationship between a built-in induction heating cooker and an electric rice cooker placed thereon.
  • 55 is a longitudinal sectional view taken along line X1-X1 of FIG.
  • FIG. 55 is a longitudinal sectional view taken along line X2-X2 of FIG.
  • symbol is attached
  • the internal structure of the front part of the induction heating cooking appliance 10 is changed especially. Further, the arrangement of the cooling fan 13 is also changed. Since the induction heating cooker 10 has induction heating portions on the left and right sides of the left and right center line CL1, the induction heating cooker 10 has basically the same internal structure on the left and right from the center line CL1. However, the main controller 80, the power transmission coil 17, and the infrared signal transmission / reception unit (infrared communication unit) 34 are installed only in the right space.
  • the first input operation means 20 is provided with a display means 70D composed of a liquid crystal display screen, a light emitting element (LED: light emitting diode), etc., and an input result by the first input operation means 20 and the like. Is displayed as needed.
  • a display means 70D composed of a liquid crystal display screen, a light emitting element (LED: light emitting diode), etc.
  • reference numeral 34 denotes an infrared signal transmission / reception unit (infrared communication unit) which constitutes a part of the reference position determination unit 33, and is arranged at a position behind the first input operation unit 20. Yes.
  • Two infrared signal transmission / reception units 34 are installed side by side instead of one, one for infrared signal transmission and at least one other for infrared signal reception.
  • 36 ⁇ / b> B is a first signal processing unit that processes an infrared signal for the infrared signal transmission / reception unit (infrared communication unit) 34, and is installed on the support substrate 40.
  • Reference numeral 13 denotes a cooling fan disposed in the vicinity of the back of the support substrate 40.
  • the rotation fan that supports the center of the rotary blade portion is installed horizontally.
  • the cooling fan 13 sucks cooling air from the left lateral direction of FIG. 55 and blows it out to the right lateral direction as shown by the dashed arrows in FIG.
  • the cooling fan 13 introduces air from the front of the main body case 10 ⁇ / b> A having a hollow box shape and supplies the air to the rear.
  • Reference numeral 172 denotes an air inlet composed of a large number of small holes or thin slit-like holes, which are formed concentrated on the right end, the center and the left end of the front wall surface 10F of the main body case 10A.
  • operation portions 41A of a plurality of push-type electronic switches 41 are arranged in a horizontal row at regular intervals.
  • the operation button 150A of the main power switch 150 is disposed at the position of the left-right center line CL1.
  • Each electronic switch 41 can generate a predetermined signal by closing the internal contact when the operation unit 41A at the top is pressed. Even in the main power switch 150, when the operation button 150A is pressed, the internal contact is closed and a predetermined signal can be generated.
  • 174 is a thin protective plate made of a plastic material rich in bendability, and covers the operation parts 41A and 173A in a sealed state to prevent water from entering from above.
  • this protective sheet 43 is pushed by the user's finger, the operation units 41A and 173A move downward by a minute dimension, and the internal contacts of the electronic switch 41 and the main power switch 173 are closed.
  • an opening (not shown) is formed on the upper surface of the main body case 10A, and the opening is covered with the protective plate 174 from above.
  • the through hole is for allowing the operation portion 41A to move up and down.
  • Reference numeral 177 denotes two communication windows provided on the left and right of the operation button 150A of the main power switch 150 at positions in the vicinity thereof. This window passes through the protective plate 174. Two infrared light emitting elements 178 are installed below the window 177. From the infrared light emitting element 178, the infrared (light) command signal transmitted by the command of the control device 80 is transmitted through the communication window 177. Note that the window 177 is covered with a lid through which infrared light passes in order to prevent entry of foreign matter and water. 10N is a small hole formed in the main body case 10A.
  • the infrared signal radiated from the infrared light emitting element 178 controls the operation of an exhaust device (not shown) such as a ventilation fan, a ceiling ventilation device, or a range hood fan installed in a kitchen or the like.
  • An infrared light emitting device (light emitting diode) 178 in this field has a wavelength range of, for example, around 940 nanometers (nm), but is generally vulnerable to heat, and the device starts to deteriorate at 80 ° C. or higher. For this reason, there is a problem that the life is shortened when used in such a high temperature atmosphere.
  • 176 is a circuit board on which the electronic switches 41 and the main power switch 173 are mounted.
  • 176 has one large plane area that supports the circuit board 42 and the support substrate 40 on which the first signal processing unit 36A for the infrared signal transmitting / receiving unit (infrared communication unit) 34 is mounted.
  • Control board Between the control board 176 and the circuit board 42, an air passage through which cooling air passes is formed by a plurality of legs 42A that also serve as spacers.
  • the control board 176 and the support board 40 form a part of an air passage (intake passage KU1) through which cooling air passes by a plurality of legs 40A that also serve as spacers.
  • intake passage KU1 the front internal space of the main body case 10A is formed with a first intake passage KU1 reaching the cooling fan 13 above the control board 176, and below the control board 176.
  • a seal packing which is formed of silicon rubber or the like having high elasticity and heat resistance. This packing prevents water or the like from entering the inside of the main body case 10 ⁇ / b> A from the outer peripheral end of the top plate 22.
  • the display means 70D configured by a liquid crystal display screen, a light emitting element, etc. in the first input operation means 20, It is possible to prevent overheating of important components such as the infrared signal transmitting / receiving unit 34 and the infrared light emitting element 178.
  • Embodiment 11 discloses an electric rice cooker having the following configuration. That is, the eleventh embodiment An induction heating cooker 10 provided with an induction heating coil 14 and a first input operation means 20 which is located on the front side of the heating coil 14 and inputs heating conditions; A rice cooking unit 1 that includes an inner pot 3 that contains a cooked rice and is heated by the heating coil 14, and a second input operation means 12 that inputs rice cooking conditions; In the state where the rice cooking unit 1 is placed on the induction heating cooker 10, the rice cooking unit 1 covers the upper side of the first input operation means 20.
  • the induction heating cooker 10 has a cooling fan 13 for supplying cooling air for cooling the heating coil 14, and the induction heating cooker 10 and the rice cooking unit 1 for cooking rice.
  • the infrared communication unit 34 is provided in the (first) intake passage KU1 from the intake port 172 provided in the main body case 10A of the induction heating cooker 10 to the cooling fan 13, and the air supply passage from the cooling fan 13 to the exhaust port 148. It was the electric rice cooker which has arrange
  • an infrared light emitting element 178 that transmits an infrared signal for ventilation is disposed inside the induction heating cooker 10.
  • the infrared light emitting element 178 and the infrared communication unit 34 are arranged on the upstream side of the cooling air flow with respect to the heating coil 14 in the cooling air blowing path SH1 from the cooling fan 13 to the heating coil 14. Had been placed in.
  • the induction heating cooker 10 of the eleventh embodiment has heating openings arranged on both sides of the left and right center line CL1 of the main body case 10A.
  • On both sides of the left and right center line CL1 an operation unit on the right side and an operation unit on the left side of the first input operation means 20 that is located in front of the heating coil 14 and inputs heating conditions are arranged.
  • the operation button 150A of the main power switch 150 is disposed at a position that intersects the left-right center line CL1.
  • the infrared signal of the infrared light emitting element 178 that emits an operation command signal to an external exhaust device or the like passes through the communication windows 177 formed in two places on both sides of the left and right center line CL1.
  • the infrared light emitting element 178 is arranged in the intake passage KU1 of the cooling fan 13 that supplies the cooling air to the heating coil 14, and is cooled by the cooling air flowing through the intake passage KU1.
  • the right operation part 20R of the 1st input operation means 20 is covered with the rice cooking unit 1.
  • the operation unit 173A, the left operation unit 20L, and the communication window 177 of the main power switch 173 are not covered.
  • the reference position determination means 33 was the infrared signal transmission / reception part 34 in the induction heating cooking appliance 10 side, and was the infrared signal transmission / reception part 35 in the rice cooking unit 1 side. And an infrared signal is first transmitted from the induction heating cooking appliance 10 side, the response of the infrared signal from the rice cooking unit 1 side is confirmed, and it is determined whether the mounting position of the rice cooking unit 1 is in a reference position.
  • a method may be used in which an infrared signal is first transmitted from the induction heating cooker 10 side and the state of the reflected light is determined on the induction heating cooker 10 side.
  • a basic rice cooking control operation program capable of executing the rice cooking operation is stored in the storage means 50R of the control device 50 on the rice cooking unit 1 side.
  • movement autonomously by the rice cooking unit side in this way does not necessarily need to be prepared.
  • an operation program (computer software) for rice cooking control is stored in the main controller 80 on the induction heating cooker 10 side, and the induction heating coil 14 is controlled using this operation program to cook rice (preheating).
  • control data such as the temperature of the inner pot 3 may be acquired from the rice cooking unit 1 side as needed with an infrared signal.
  • the rice cooking unit can be obtained by means such as a combination of the reed switch 31 and the permanent magnet 30 installed at a predetermined position, the IC tag 103 and the reader (IC tag information reading unit) 104. 1 may be confirmed, and only the information transmission between the rice cooking unit 1 and the induction heating cooker 10 may be performed by an infrared signal.
  • the induction heating cooker 10 uses a high-frequency power and generates an alternating magnetic field, and there is a concern that it may affect wireless communication as electrical noise. In this aspect, communication using an infrared signal is advantageous.
  • the infrared signal is transmitted. It is possible to realize communication in close contact or close proximity that is not affected by disturbance light such as visible light or sunlight, and to ensure signal transmission.
  • the first input operation means 20 may be provided with an infrared transmission hole, and an infrared signal may be transmitted to the rice cooking unit 1 through the transmission hole. In this case, it is preferable to arrange the transmission holes avoiding the button (key) portion or the touch switch portion that the user presses.
  • the induction heating cooker 10 has a configuration having the rear vertical portion 16, so that when the normal cooking utensils such as various pans and frying pans are induction heated, the rear vertical portion 16 is on the rear side. It was the structure which can prevent those cooking utensils falling to back.
  • the rear vertical portion 16 is not essential in the practice of the present invention. That is, the induction heating cooker 10 may have an outer shape with a flat upper surface (see Embodiments 8 and 9).
  • the electric rice cooker and heating cooking system according to the present invention can be widely used not only in kitchens of ordinary houses but also in kitchens of public facilities and stores.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Cookers (AREA)
  • Induction Heating Cooking Devices (AREA)

Abstract

L'invention concerne un cuiseur à riz électrique et un système de cuisson chauffant configurés pour empêcher le cuiseur à riz électrique de surchauffer pendant le chauffage par induction avec une unité de cuisson du riz installée sur celui-ci, et dont la facilité d'utilisation est améliorée. Le cuiseur à riz électrique et le système de cuisson chauffant comprennent : un appareil de cuisson à chauffage par induction pourvu d'une bobine de chauffage par induction et d'une première unité d'opération d'entrée ; et une unité de cuisson de riz pourvue d'un pot intérieur qui est chauffé par la bobine de chauffage par induction de l'appareil de cuisson à chauffage par induction et dans lequel du riz est placé, et d'une seconde unité d'opération d'entrée à induction pour régler des conditions de cuisson de riz. Lorsque l'unité de cuisson de riz est installée sur une plaque supérieure de l'appareil de cuisson à chauffage par induction, l'unité de cuisson de riz recouvre la partie supérieure de la première unité d'opération d'entrée. Le cuiseur à riz électrique et le système de cuisson chauffant ont des unités de communication infrarouge pour transmettre un signal infrarouge comprenant des informations de commande pour cuire du riz entre l'appareil de cuisson à chauffage par induction et l'unité de cuisson de riz. L'unité de communication infrarouge côté appareil de chauffage à cuisson par induction est disposée à l'intérieur d'un conduit d'air dans lequel le flux d'air de refroidissement provenant d'un ventilateur de refroidissement pour fournir le flux d'air de refroidissement à la bobine de chauffage passe, et est ainsi refroidie. L'unité de communication infrarouge et la bobine de chauffage sont séparées par une paroi de séparation pour former le flux d'air de refroidissement.
PCT/JP2018/007852 2017-05-24 2018-03-01 Cuiseur à riz électrique et système de cuisson chauffant WO2018216298A1 (fr)

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JP2020089549A (ja) * 2018-12-05 2020-06-11 シャープ株式会社 加熱調理器
WO2020171418A1 (fr) * 2019-02-20 2020-08-27 엘지전자 주식회사 Cuiseur à riz à chauffage par induction sans fil et système de chauffage par induction sans fil comprenant ce dernier
CN112986879A (zh) * 2019-12-16 2021-06-18 北京小米移动软件有限公司 电量计校正方法和装置、电子设备、存储介质
JP2021106931A (ja) * 2017-05-24 2021-07-29 三菱電機株式会社 電気炊飯器及び加熱調理システム
US11937359B2 (en) * 2019-02-20 2024-03-19 Lg Electronics Inc. Wireless induction heating cooker and wireless induction heating system including same
JP7499739B2 (ja) 2021-07-07 2024-06-14 三菱電機株式会社 加熱調理器及び加熱調理システム

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JP2021106931A (ja) * 2017-05-24 2021-07-29 三菱電機株式会社 電気炊飯器及び加熱調理システム
JP2021106930A (ja) * 2017-05-24 2021-07-29 三菱電機株式会社 電気炊飯器及び加熱調理システム
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JP7191150B2 (ja) 2017-05-24 2022-12-16 三菱電機株式会社 電気炊飯器及び加熱調理システム
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WO2020171418A1 (fr) * 2019-02-20 2020-08-27 엘지전자 주식회사 Cuiseur à riz à chauffage par induction sans fil et système de chauffage par induction sans fil comprenant ce dernier
US11937359B2 (en) * 2019-02-20 2024-03-19 Lg Electronics Inc. Wireless induction heating cooker and wireless induction heating system including same
CN112986879A (zh) * 2019-12-16 2021-06-18 北京小米移动软件有限公司 电量计校正方法和装置、电子设备、存储介质
JP7499739B2 (ja) 2021-07-07 2024-06-14 三菱電機株式会社 加熱調理器及び加熱調理システム

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JP7191151B2 (ja) 2022-12-16
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JP7191150B2 (ja) 2022-12-16
JP6870081B2 (ja) 2021-05-12

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