WO2015129254A1 - 羽根体、羽根体付き容器、および加熱調理器 - Google Patents
羽根体、羽根体付き容器、および加熱調理器 Download PDFInfo
- Publication number
- WO2015129254A1 WO2015129254A1 PCT/JP2015/000933 JP2015000933W WO2015129254A1 WO 2015129254 A1 WO2015129254 A1 WO 2015129254A1 JP 2015000933 W JP2015000933 W JP 2015000933W WO 2015129254 A1 WO2015129254 A1 WO 2015129254A1
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- WIPO (PCT)
- Prior art keywords
- magnetic field
- container
- blade body
- permanent magnet
- control member
- Prior art date
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Classifications
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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
- A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
- A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
- A47J43/046—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven with tools driven from the bottom side
-
- 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
- A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
- A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
- A47J43/046—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven with tools driven from the bottom side
- A47J43/0465—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven with tools driven from the bottom side with magnetic drive
-
- 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
- A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
- A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
- A47J43/07—Parts or details, e.g. mixing tools, whipping tools
- A47J43/08—Driving mechanisms
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/12—Cooking devices
Definitions
- the present invention includes a blade body that is detachably disposed on a container, and that imparts an external force to a cooked food in the container by rotating in response to a rotating magnetic field, and such a blade body.
- the present invention relates to a container with blades and a heating cooker.
- the present invention relates to a blade body and a container with a blade body using an induction heating cooker mainly used in general households, and a heating cooker.
- the rotary heating cooker of Patent Document 1 does not burn the cooked food even if it is periodically stirred, and the rotating blades can be used for other containers such as pans, so there is little storage space for equipment.
- the purpose is to provide a rotary cooker that can be used.
- a conventional rotary heating cooker described in Patent Document 1 is shown in FIG. As shown in FIG. 13, in the conventional rotary heating cooker, the coil 4 divided into a plurality of parts is connected to the inverter 3, and the coil 4 uses a high frequency magnetic field or a low frequency magnetic field depending on the output of the inverter 3. Or these mixed magnetic fields are generated.
- a rotary blade 7 having a permanent magnet 6 therein is disposed on the inner bottom of a pan 5 made of nonmagnetic metal, and the pan 5 is placed on the top of the coil 4 to heat the pan 5 and the rotary blade. 7 rotations are performed.
- the magnetic coupling degree decreases as the magnetic gap (gap length) becomes wider.
- the magnetic gap is about 5 mm to 15 mm.
- the magnetic flux generated from the coil of the induction heating cooker and the magnetic flux formed by the rotor blades are It is necessary to interlink well.
- a rotary blade needs to have a blade
- a rare earth strong permanent magnet such as neodymium or samarium cobalt may be used as the magnetic body equipped on the rotor blade.
- the magnetic gap of the permanent magnet is in a state where the thickness of the pan or the thickness of the mounting plate does not exist. In such a state, on the contrary, if the magnetic metal is approached by a strong magnetic force, it is adsorbed. Therefore, sufficient care is required for handling the rotor blade alone.
- the present invention solves the above-described conventional problems, and is equipped with a permanent magnet having a strong magnetic force to achieve high torque at the time of rotation, while suppressing the influence of the magnetic force of the permanent magnet at the time of non-rotation to improve usability.
- An object is to provide an excellent blade body, a container with a blade body including such a blade body, and a cooking device.
- the blade body according to one aspect of the present invention is detachably disposed on the container, and imparts external force to the cooking object in the container by rotating.
- a permanent magnet that rotates the blade body in response to a rotating magnetic field generated on the lower side of the blade body, and is generated on the lower side of the blade body so as to be stronger at a higher temperature than at normal temperature.
- a magnetic field control member that controls the strength of the magnetic field of the permanent magnet, a storage unit that stores the permanent magnet and the magnetic field control member, and a storage unit that is attached to the storage unit and is stored in the container by the rotation of the blade body.
- a blade portion that applies external force to the cooked food.
- the winged container is capable of accommodating an object to be cooked, and is detachably disposed with respect to the container that receives heat from the outside and generates heat, and rotates. And a permanent magnet that rotates the blade body in response to a rotating magnetic field generated on the lower side of the blade body.
- a magnetic field control member for controlling the magnetic field strength of the permanent magnet generated below the blade body so as to be stronger at a higher temperature than at a normal temperature, and a storage for storing the permanent magnet and the magnetic field control member And a blade portion that is attached to the storage portion and applies an external force to the food to be cooked accommodated in the container by the rotation of the blade body.
- the heating cooker of one aspect of the present invention is capable of accommodating an object to be cooked, and is arranged so as to be detachable with respect to the container that receives heat from the outside and generates heat, and rotates.
- a blade body provided with a blade body for applying external force to the cooking object in the container, a placement portion on which the container can be placed, and a lower side of the placement portion.
- a heating unit that applies energy to the container to heat the container, and a rotating magnetic field generation unit that is provided below the mounting unit and applies a rotating magnetic field to the permanent magnet of the blade body;
- the blade body receives a rotating magnetic field generated on the lower side of the blade body and rotates the blade body, and a lower side of the blade body so as to be stronger at a higher temperature than at normal temperature.
- Magnetic field control for controlling the magnetic field strength of the permanent magnet generated in A member, a storage unit that stores the permanent magnet and the magnetic field control member, and a blade that is attached to the storage unit and applies external force to the food to be cooked stored in the container by rotation of the blade body And a portion.
- a blade body that is equipped with a permanent magnet having a strong magnetic force to achieve a high torque during rotation and suppresses the influence of the magnetic force of the permanent magnet during non-rotation and has excellent usability, and such
- a container with a blade body including a simple blade body and a cooking device can be provided.
- FIG. 3 is a characteristic diagram for explaining the magnetic temperature characteristics of a temperature-sensitive magnetic material serving as a magnetic field controller in the first embodiment of the present invention.
- FIG. 5 is a characteristic diagram for explaining the magnetic temperature characteristics of a temperature-sensitive magnetic material serving as a magnetic field control unit in Embodiment 2 of the present invention.
- a blade body is a blade body that is detachably disposed on a container and that imparts an external force to an object to be cooked in the container by rotating, the bottom of the blade body
- a permanent magnet that rotates the blade body in response to a rotating magnetic field generated on the side, and a magnetic field that controls the strength of the magnetic field of the permanent magnet generated on the lower side of the blade body so as to be stronger at a higher temperature than at normal temperature
- a blade portion is a blade body that is detachably disposed on a container and that imparts an external force to an object to be cooked in the container by rotating, the bottom of the blade body
- a permanent magnet that rotates the blade body in response to a rotating magnetic field generated on the side, and a magnetic field that controls the strength of the magnetic field of the permanent magnet generated on the
- the rotating magnetic field acts strongly on the blade body during heating, and external force can be applied by rotating at high torque, and the influence of the magnetic field on the surroundings of the blade body can be suppressed at room temperature. Therefore, it is possible to provide a blade body excellent in usability by providing a permanent magnet with a strong magnetic force to achieve high torque during rotation and suppressing the influence of the magnetic force of the permanent magnet when not rotating.
- the second invention is particularly configured in the blade body according to the first invention, wherein the magnetic field control member is formed of a temperature-sensitive magnetic material whose magnetism is weaker in a high temperature region than in a normal temperature region. Is. This makes it possible to use the magnetic temperature characteristics of the temperature-sensitive magnetic material to apply a rotating magnetic field to the blade body during heating and to apply external force by rotating at high torque. The influence of the magnetic field can be suppressed.
- the storage portion has an internal space for storing the permanent magnet so as to be movable in the vertical direction, and the magnetic field control member is located above the internal space.
- the permanent magnet is attracted by the magnetic force of the magnetic field control member at a normal temperature and is located in the upper part of the internal space, and is located in the lower part of the internal space at a high temperature.
- the magnetic field control member is formed of a temperature-sensitive magnetic material whose magnetic permeability is lower in a higher temperature range than in a normal temperature range, and the magnetic field control member Is configured to cover the bottom surface of the permanent magnet.
- the magnetic field control member is arranged so as to cover the entire permanent magnet.
- the blade body can be configured to have a low height (thickness).
- the storage portion has an internal space for movably storing the permanent magnet
- the magnetic field control member has a shape whose shape changes with temperature.
- the permanent magnet is formed of a memory alloy and supports the permanent magnet in the internal space, and the support height position of the permanent magnet by the magnetic field control member is lower in the internal space at a temperature higher than the normal temperature range.
- it is set as the structure from which the shape of the said magnetic field control member changes.
- a winged container includes the container that can store an object to be cooked and generates heat upon receiving external energy, and the wing body according to any one of the first to sixth aspects of the present invention. It is a configuration. Thereby, it is possible to control the magnetic field generated on the lower side of the blade body so as to change between a high temperature by heating and a normal temperature at the time of non-heating. For this reason, the rotating magnetic field acts strongly on the blade body during heating, and external force can be applied by rotating at high torque, and the influence of the magnetic field on the surroundings of the blade body can be suppressed at room temperature. Therefore, a container with a blade body equipped with a blade body having excellent usability by suppressing the influence of the magnetic force of the permanent magnet at the time of non-rotation while being equipped with a permanent magnet with strong magnetic force to achieve high torque during rotation it can.
- the container has a magnetic metal material that generates heat upon receiving an induction magnetic field on the outer periphery of the bottom surface, and the blade body is formed on the inner bottom surface of the container.
- the storage portion of the blade body is disposed on the inner peripheral side of the magnetic metal material of the container, with the blade body being detachably disposed and the blade body disposed on the inner bottom surface of the container. It is a thing. Accordingly, since the magnetic metal material is provided on the outer periphery of the bottom surface of the container, the container can be efficiently heated by induction heating, and the housing part for the blade body is provided on the inner peripheral side of the magnetic metal material during rotation during heating. Since it arrange
- a cooking device is provided with a container with blades according to the seventh aspect of the invention, a placement portion on which the vessel can be placed, and a lower side of the placement portion, and imparts energy to the vessel. And a heating part that heats the container, and a rotating magnetic field generating part that is provided on the lower side of the mounting part and applies a rotating magnetic field to the permanent magnet of the blade body. It is. Thereby, it is possible to control the magnetic field generated on the lower side of the blade body so as to change between a high temperature by heating and a normal temperature at the time of non-heating.
- the rotating magnetic field acts strongly on the blade body during heating, and external force can be applied by rotating at high torque, and the influence of the magnetic field on the surroundings of the blade body can be suppressed at room temperature. Therefore, using a container with a blade body equipped with a blade body with excellent usability by suppressing the influence of the magnetic force of the permanent magnet during non-rotation while equipping a permanent magnet with strong magnetic force to achieve high torque during rotation Thus, it is possible to provide a heating cooker that performs heating cooking on an object to be heated.
- the container has a magnetic metal material on the outer periphery of the bottom surface
- the blade body is detachably arranged on the inner bottom surface of the container, and the blade body Is disposed on the inner bottom surface of the container
- the storage part of the blade body is disposed on the inner peripheral side of the magnetic metal material of the container
- the heating part generates an induction magnetic field to generate the induction magnetic field.
- It has a heating coil that induction-heats the magnetic metal material of the container, and the heating coil is arranged around the rotating magnetic field generation unit in the placement unit.
- the container can be efficiently heated by induction heating, and the housing part for the blade body is provided on the inner peripheral side of the magnetic metal material during rotation during heating. Since it arrange
- the meaning of applying external force such as stirring to the object to be cooked with high torque at a high temperature in cooking will be described.
- the to-be-cooked object has increased viscosity resistance due to evaporation of moisture with heating. If heating is further continued, partial scorching is likely to occur due to evaporation of moisture. It is possible to prevent scorching or the like by stirring the food to be cooked with high torque at high temperatures.
- the cook needs to mix the food to be cooked manually using a rice scoop or the like when the food is heated to a high temperature. Become.
- the cooking device of the present invention the cook can be freed from such work, and the labor of cooking can be saved.
- FIG. 1 is a plan view of a container with stirring function (an example of a container with blades) provided with a stirring body (an example of blades) according to Embodiment 1 of the present invention, as viewed from above.
- the stirring body 10 includes a storage portion 14 that stores the permanent magnet 12 and the magnetic field control member 13, and a blade portion 11 that is provided around the storage portion 14.
- the stirrer 10 is detachably disposed on the inner bottom surface of the container 20 that accommodates an object to be cooked (not shown). When the stirrer 10 rotates, an external force is applied to the object to be cooked in the container 20. And it becomes the structure which a to-be-cooked object is stirred by the blade
- FIG. 1 is a plan view of a container with stirring function (an example of a container with blades) provided with a stirring body (an example of blades) according to Embodiment 1 of the present invention, as viewed from above.
- the stirring body 10 includes a storage portion 14 that stores
- FIG. 2 is a partial cross-sectional view showing a main configuration of stirring body 10 in the first embodiment of the present invention. Specifically, it is a cross-sectional view showing the internal configuration of the storage portion 14 in the stirring body 10.
- reference numeral 12 denotes a permanent magnet
- reference numeral 13 denotes a magnetic field control member, both of which are stored in the storage unit 14.
- the vertical direction of the paper surface and the vertical relationship of the stirring body 10 disposed in the container 20 are shown to be the same, and in the storage portion 14, the inner bottom surface 20 ⁇ / b> A of the container 20 (see FIG. 3).
- the bottom surface is the surface facing the surface, that is, the lower side of the paper.
- a plurality of convex portions 14 b are provided on the bottom surface of the storage portion 14. By these convex portions 14b, the area where the inner bottom surface 20A of the container 20 and the bottom surface of the storage portion 14 come into contact with each other with the stirring body 10 disposed on the container 20 can be reduced, and the rotational resistance of the stirring body 10 can be reduced. Can do.
- the permanent magnet 12 is disposed opposite to the inner bottom surface 20A (see FIG. 3) of the container 20 when the stirring body 10 is disposed in the container 20, and receives a rotating magnetic field generated on the lower side of the stirring body 10.
- the stirring body 10 is rotated.
- the magnetic field control member 13 controls the strength of the magnetic field generated from the permanent magnet 12 to the outside of the stirring body 10 according to the temperature state due to heating from the outside in a state where the stirring body 10 is disposed in the container 20.
- the magnetic field control member 13 is provided integrally with the storage unit 14 so that the surface that attracts the permanent magnet 12 is located at a distance L3 from the upper outer surface of the storage unit 14.
- a magnet moving space 14a is provided in the storage portion 14 as an internal space for storing the permanent magnet 12 so as to be movable in the vertical direction, and the magnetic field control member 13 is disposed above the magnet moving space 14a.
- the magnetic field control member 13 is formed of a temperature-sensitive magnetic material having a temperature characteristic in which magnetism changes according to a temperature state caused by external heating.
- the magnetic field control member 13 has strong magnetism in a normal temperature range where it is not heated, and the permanent magnet 12 is attracted to the magnetic field control member 13 by a magnetic force and moved to the upper part of the magnet moving space 14a.
- the permanent magnet 12 is positioned substantially at the center in the up-down direction of the storage unit 14, and is in a state of being restrained at a distance L ⁇ b> 1 from the bottom side outer surface of the storage unit 14.
- the magnetic field control member 13 has magnetism weaker than that in the normal temperature region. Therefore, the permanent magnet 12 moves away from the magnetic field control member 13 and moves to the lower part of the magnet moving space 14a. As a result, the permanent magnet 12 moves to the side close to the inner bottom surface 20A of the container 20 and is positioned at a distance L2 from the bottom surface side outer surface of the storage portion 14.
- FIG. 3 is a partial cross-sectional view showing the main configuration of the heating cooker according to Embodiment 1 of the present invention.
- the heating cooker 100 includes a container 20 with a stirrer 10, a placement part 40 on which the container 20 can be placed, and heating provided on the lower part (downward side) of the placement part 40.
- Unit 50 a heating drive circuit 55 that drives the heating unit 50, and a rotating magnetic field generation unit 60 that is provided below (on the lower side) of the mounting unit 40.
- the heating unit 50 has a function of applying energy to the container 20 to heat the container 20, and the rotating magnetic field generating unit 60 has a function of applying a rotating magnetic field to the permanent magnet 12 of the stirring body 10.
- the heating cooker 100 has a function as an IH (induction heating) cooker that cooks the food to be cooked contained in the container 20 by heating the container 20 by induction heating.
- IH induction heating
- the container 20 is placed so as to face the heating unit 50 and the rotating magnetic field generation unit 60, and the stirring body 10 is disposed in the container 20.
- the heating unit 50 is driven by the heating drive circuit 55 to heat the container 20.
- the heating unit 50 is an induction heating coil
- the heating drive circuit 55 is an inverter that is connected to a commercial power source and generates a high-frequency voltage.
- a magnetic metal material 21 is provided integrally with the container 20 on the outer periphery of the bottom surface of the container 20.
- the container 20 is mainly composed of a nonmagnetic metal, and in the first embodiment, is composed of an aluminum alloy that is a good heat conductive material.
- the magnetic metal material 21 is provided facing the heating unit 50 and has a substantially annular shape.
- a rotating magnetic field generator 60 is provided on the lower side of the mounting portion 40 of the heating cooker 100 so as to face the annular inner region of the magnetic metal material 21. Further, in a state where the stirring body 10 is disposed on the inner bottom surface of the container 20, the storage portion 14 (that is, the permanent magnet 12) of the stirring body 10 is disposed on the inner peripheral side of the magnetic metal material 21 of the container 20. Therefore, the rotating magnetic field generated from the rotating magnetic field generator 60 penetrates the bottom surface of the container 20 made of a nonmagnetic metal.
- FIG. 3 is a view showing a state of non-stirring at normal temperature before being heated, and the permanent magnet 12 is attracted to the magnetic field control member 13 and is separated from the rotating magnetic field generating unit 60 on the far side.
- FIG. 4 is a partial cross-sectional view of heating cooker 100 showing a state during stirring in heating in Embodiment 1 of the present invention.
- the container 20 is heated via the magnetic metal material 21 by the magnetic lines of force from the heating unit 50, and accordingly, the magnetic field control member 13 is also heated. Since the magnetic field control member 13 is weak in magnetism in the high temperature region, the permanent magnet 12 moves away from the magnetic field control member 13 and moves in the magnet moving space 14a to the side close to the inner bottom surface 20A of the container 20 (ie, downward). The rotating magnetic field generator 60 is approached.
- FIG. 5 is a plan view of rotating magnetic field generation unit 60 and heating unit 50 of heating cooker 100 according to Embodiment 1 of the present invention.
- the heating unit 50 is vertically overlapped with the magnetic metal material 21 (see FIG. 3 and the like) disposed in a substantially annular shape on the outer periphery of the bottom surface of the container 20. Is provided in a substantially annular shape.
- a heating drive circuit 55 is connected to the heating unit 50.
- a rotating magnetic field generating unit 60 in which a coil 61 is wound around a magnetic core 62 and divided into a plurality on a predetermined circumference.
- Each coil 61 is connected to a rotation drive circuit 65, and the rotation drive circuit 65 can sequentially control the energization of the plurality of coils 61 to generate a rotating magnetic field.
- FIG. 6 is a characteristic diagram illustrating the magnetic temperature characteristics of the temperature-sensitive magnetic material used for the magnetic field control member 13 in Embodiment 1 of the present invention.
- the magnetic field control member 13 is made of a temperature-sensitive magnetic material having the property that the magnetic characteristics change depending on the temperature region, and has the magnetic temperature characteristics shown in FIG. Due to this characteristic, since the magnetic field control member 13 has strong magnetism in the normal temperature region, the permanent magnet 12 moves upward against gravity and is restrained in position by the magnetic field control member 13 (that is, attracted to the magnet moving space). 14a). When cooking is performed, the temperature of the magnetic field control member 13 increases as the temperature of the container 20 increases, and the magnetism of the magnetic field control member 13 decreases.
- the attractive force between the permanent magnet 12 and the magnetic field control member 13 is weakened, and the permanent magnet 12 is separated from the magnetic field control member 13 by the self-weight of the permanent magnet 12 or the magnetic field generated by the rotating magnetic field generator 60 in the high temperature region. It moves to the lower side of the stirrer 10 and approaches the rotating magnetic field generator 60 (that is, located below the magnet moving space 14a).
- the magnetic field generated in the stirring member 10, particularly, the magnetic field generated on the lower side is controlled by the operation of the permanent magnet 12 based on the magnetic temperature characteristics of the temperature-sensitive magnetic material constituting the magnetic field control member 13. Therefore, the magnetic field at the time of stirring of the stirring body 10 and the magnetic field at the time of non-stirring can be changed.
- the position of the permanent magnet 12 in the stirrer 10 in the normal temperature region before heating is constrained to the approximate center in the vertical direction of the storage portion 14 by the action of the magnetic field control member 13 (the state positioned above the magnet moving space 14a). )
- the distance between the outer surface of the storage portion 14 and the permanent magnet 12 is increased, the influence of the magnetic field of the permanent magnet 12 on the outside of the stirring body 10 can be reduced. That is, as shown in FIG. 2, the distances L1, L3, and L4 (distance in the normal temperature region) between the outer surface of the storage portion 14 and the permanent magnet 12 are larger than the distance L2 during heating and stirring. It is configured. Therefore, the distance can be secured so as to weaken the influence of the magnetic force exerted by the permanent magnet 12 on the periphery of the stirring body 10 when heated (at room temperature). In such a state, the rotating magnetic field generator 60 is also away from the position.
- the heating unit 50 is energized by the heating drive circuit 55, and the temperature of the magnetic field control member 13 rises due to heat conduction accompanying the temperature rise of the container 20 and convection heat from the object to be cooked. Accordingly, the magnetism of the magnetic field control member 13 gradually weakens, and when reaching a predetermined temperature (for example, 70 ° C.), the permanent magnet 12 moves instantaneously away from the magnetic field control member 13 and the distance from the bottom surface side outer surface of the storage portion 14 increases. L2. In this state, the permanent magnet 12 is located in the lower part of the magnet moving space 14a, and the permanent magnet 12 approaches the rotating magnetic field generating unit 60. In this state, by generating a rotating magnetic field from the rotating magnetic field generator 60 and applying a strong magnetic field, the stirrer 10 can be rotated with high torque.
- a predetermined temperature for example, 70 ° C.
- the temperature of the magnetic field control member 13 is lowered accordingly and reaches a predetermined temperature (for example, 40 ° C.).
- a predetermined temperature for example, 40 ° C.
- the magnetism of the magnetic field control member 13 becomes stronger.
- the permanent magnet 12 instantaneously moves upward in the magnet moving space 14a, is attracted to the magnetic field control member 13, and returns to the state before heating.
- a detecting means for detecting whether or not the permanent magnet 12 is in a state of approaching the rotating magnetic field generating unit 60 is provided so that the rotating magnetic field generating unit 60 generates a rotating magnetic field when it is detected that the permanent magnet 12 is in the approaching state. It may be.
- a temperature sensor that detects the temperature of the magnetic field control member 13 or a temperature sensor that detects the temperature of the container 20 can be employed.
- a sensor that detects a change in the magnetic field generated from the permanent magnet 12 to the outside of the stirring member 10 may be used.
- FIG. 7 is a partial cross-sectional view showing a use state of heating cooker 100 according to Embodiment 1 of the present invention, and a portion when container 20 is mounted on position-displaced portion 40 of heating cooker 100.
- It is sectional drawing. 4 is different from the state of FIG. 4 in that the center position of the heating unit 50 and the rotating magnetic field generation unit 60 of the heating cooker 100 and the center position of the container 20 are shifted in the horizontal direction in the state of FIG. .
- the agitator 10 is not mechanically restricted from the container 20 by a support shaft or the like. Therefore, the stirring body 10 is attracted to the rotating magnetic field from the rotating magnetic field generating unit 60 by being heated. As a result, the stirring body 10 is moved from the position indicated by the dotted line in FIG.
- the stirring operation can be performed in a state indicated by a solid line in FIG. 7 in which the stirring body 10 and the rotating magnetic field generating unit 60 are aligned in the center position in a plane.
- the position of the stirring body 10 is corrected by the permanent magnet 12 having a strong magnetic force and the rotating magnetic field of the rotating magnetic field generating unit 60, so that the mechanical position regulation of the container 20 is particularly provided in the mounting unit 40. There is no need. Therefore, in addition to the container 20 having a shape as shown in FIG. 7 and the like, other containers having different outer diameters and bottom shapes can be placed on the placement unit 40 of the heating cooker 100 for cooking. Further, the container 20 is pressed against the mounting portion 40 by the stirring member 10 by the attractive force between the permanent magnet 12 of the stirring member 10 and the rotating magnetic field of the rotating magnetic field generating unit 60.
- the magnetic force can be applied so as to suppress the floating and slipping of the container 20 at the mounting portion 40 of the heating cooker 100, and even when a large load to be cooked is stirred with high torque,
- the stability of the container 20 is improved by preventing displacement of the container 20 and rotation of the container 20.
- the inner surface of the container 20 may be coated with a fluororesin or ceramic.
- the convex part 14b is provided in the bottom part of the stirring body 10 so that sliding resistance between the bottom parts of the stirring body 10 and the bottom face of the container 20 may decrease.
- the heating cooker 100 By using the heating cooker 100 according to the first embodiment having such a configuration, the user does not have to worry about being burnt during cooking and saves the trouble of stirring the food using a device such as rice scoop. be able to. Moreover, in the container 20, it can heat-stir in the state which covered the container 20 with the cover (not shown) compared with the case where it stirs by hand. Therefore, it is possible to prevent heat loss from the opening side of the container 20 and realize efficient heating cooking, and to prevent scattering of the cooked food around the stirring. There is no need to configure a support shaft or bearing in the container 20, and the container 20 can be handled in the same manner as an ordinary pan even when it is stacked and stored with other containers when the container 20 is washed or not used.
- the rotating magnetic field generating unit 60 winds the coil 61 around the magnetic core 62 and divides the coil 61 into a plurality of parts on the circumference. This is a configuration that occurs.
- a plurality of permanent magnets 12 provided in the stirring body 10 are provided, for example, at equal angles on the circumference corresponding to the rotating magnetic field generated from the rotating magnetic field generator 60.
- the case where a plurality of permanent magnets 12 are provided is not limited to the case where a plurality of magnetic poles are provided, and only one permanent magnet may be provided.
- the container 20 may be omitted from the magnetic metal material 21 as long as the nonmagnetic metal can be directly induction-heated.
- the nonmagnetic aluminum alloy is used in the same manner as a container heated by a normal heater or the like. It may be made.
- the rotating magnetic field generating unit 60 is not limited to the configuration shown in FIG. 1, and a rotating magnetic field may be generated by attaching a permanent magnet or a magnetized body to the rotating shaft of the motor and rotating it.
- the stirrer 10 When the stirrer 10 is removed from the container 20 and handled, the permanent magnet 12 is attracted to the magnetic field control member 13 and is positioned at the approximate center in the vertical direction of the storage unit 14. Therefore, since the magnetic field generated from the stirring body 10 can be weakened, the influence of the magnetic field on the periphery of the stirring body 10 can be suppressed. In other words, considering the case where the stirring body 10 is washed or stored, the usability of the stirring body 10 can be improved even in a space where magnetic metal exists such as a knife, fork, kitchen top plate or sink. It can be.
- FIG. 8 is a partial cross-sectional view of the heating cooker according to the second embodiment of the present invention.
- the permanent magnet 12 in the stirring body 10 moves up and down, so that the magnetic field from the stirring body 10 is controlled by the change in the distance between the permanent magnet 12 and the rotating magnetic field generating unit 60.
- the configuration to be used was adopted.
- the magnetic field control member 13 using the temperature-sensitive magnetic material in a state where the permanent magnet 12 is disposed at the lower part of the stirring body 10 is replaced with the container 20 in the permanent magnet 12.
- the structure provided in the shape which covers the inner bottom face 20A side is employ
- FIG. 9 is a characteristic diagram illustrating the magnetic temperature characteristics of the temperature-sensitive magnetic material constituting the magnetic field control member 13 provided in the stirring member 10 according to Embodiment 2 of the present invention.
- the magnetic field control member 13 is in a state in which the magnetic permeability of the temperature-sensitive magnetic material is high at room temperature when it is not heated due to the temperature characteristics shown in FIG. Therefore, most of the magnetic flux generated by the permanent magnet 12 converges inside the magnetic field control member 13 to form a closed magnetic path, and acts so that the magnetic field generated from the stirring member 10 is weakened.
- the magnetic field control member 13 has a low magnetic permeability in a high temperature state due to heating.
- the bottom surface (lower surface) and the side surface of the permanent magnet 12 are covered with a temperature-sensitive magnetic material that is a magnetic field control member 13.
- the temperature-sensitive magnetic material should just be arrange
- FIG. 10 is a partial cross-sectional view showing the inside of the stirrer accommodating portion 14 in Embodiment 3 of the present invention.
- a configuration is adopted in which the magnetic field from the stirring body 10 is controlled by utilizing the change in the distance between the permanent magnet 12 and the rotating magnetic field generator 60 as the permanent magnet 12 moves up and down.
- the configuration is similar to that of the first embodiment.
- the third embodiment is different from the first embodiment in that a configuration using a shape memory alloy in which the magnetic field control member 13 has a property of changing its shape with an increase in temperature due to external heating is employed. Is a point.
- a magnet moving space 14 a for storing the permanent magnet 12 so as to be movable in the vertical direction is provided in the storage portion 14 of the stirring body.
- the permanent magnet 12 is fixed to the magnet holder 15, and the magnet holder 15 is supported by the magnetic field control member 13.
- the magnetic field control member 13 is formed of a shape memory alloy whose shape changes with temperature. When the shape of the magnetic field control member 13 changes, the support height position of the magnet holder 15 is changed in the magnet moving space 14a. It is configured to change in the vertical direction.
- the magnetic field control member 13 is configured such that the support height position of the magnet holder 15 by the magnetic field control member 13 (that is, the support height position of the permanent magnet 12) is lower in the high temperature range than in the normal temperature range.
- the shape changes.
- a guide portion 14c is provided in the magnet moving space 14a so as to guide a change in the shape of the magnetic field control member 13 which is a shape memory alloy.
- the magnetic field control member 13 is formed in a coil spring shape.
- the shape of the magnetic field control member 13 is not limited to the coil spring shape, and various other shapes may be employed.
- FIG. 11 is a partial cross-sectional view of a heating cooker at room temperature before heating in Embodiment 3 of the present invention.
- the permanent magnet 12 is arranged in the magnet movement space 14 a so as to be movable up and down integrally with the magnet holder 15 while being fixed to the magnet holder 15.
- the magnetic field control member 13 is supporting the magnet holder 15 at the upper support height position. Therefore, the permanent magnet 12 is in a state of being positioned approximately at the center in the up-down direction of the storage portion 14, and the influence of the magnetic field from the stirring body 10 to the outside is suppressed.
- FIG. 12 is a partial cross-sectional view of the heating cooker in the high temperature region during cooking in the third embodiment of the present invention.
- the magnetic field control member 13 in a high temperature state due to heating, the magnetic field control member 13 is deformed into a shape that supports the magnet holder 15 at the lower support height position. For this reason, the permanent magnet 12 approaches the rotating magnetic field generator 60. In such a state, by generating a rotating magnetic field from the rotating magnetic field generating unit 60, a strong magnetic field is applied to the approaching permanent magnet 12, and stirring of the food with high torque by the stirring body 10 is performed. Can be realized.
- the shape memory alloy is a form using a bidirectional shape memory effect type of expansion and contraction of normal temperature and heating, but is not limited to this, and a spring that generates a bias force in either expansion or contraction
- a one-way shape memory effect type may be used in combination.
- the blade body rotated in the container is a stirring body
- the blade body is not limited to such a case.
- a blade while being detachably arranged with respect to the container, it may be anything that gives an external force to the cooking object in the container by rotating. By applying such an external force, stirring, cutting, You may grind
- the case where the container is heated by induction heating using the heating unit provided in the heating cooker has been described as an example.
- the configuration of the heating unit is not limited to such a case.
- the heating unit only needs to have a function of applying energy to the container and heating it.
- a heating unit such as a heater, steam, hot air, or radiant heating may be employed.
- the heating cooker according to the present invention has a configuration in which a magnetic field control member that controls a magnetic field generated from a blade body to the outside is provided together with a permanent magnet with respect to the blade body that is rotationally driven by a rotating magnetic field. It is. With such a configuration, the magnetic field at the time of rotation of the blade body and the magnetic field at the time of non-rotation can be changed, high torque can be realized at the time of rotation, and magnetic force to the outside of the blade body can be suppressed at the time of non-rotation. Therefore, the present invention can be applied to a heating cooker that performs cooking such as stirring, cutting, pulverization, and kneading with a blade while heating the object to be heated.
Abstract
Description
これにより、羽根体の下方側に生じる磁界を、加熱による高温時と非加熱時の常温時で変化させるように制御することができる。そのため、加熱時には回転磁界が羽根体に強く作用して高トルクの回転による外力付加を実現することができ、常温時には羽根体の周囲に対する磁界の影響を抑制することができる。よって、強い磁力の永久磁石を装備して回転時の高トルク化を実現しつつ、非回転時には永久磁石の磁力の影響を抑制して使用性に優れた羽根体を提供できる。
これにより、感温磁性材料の磁性の温度特性を利用して、加熱時には回転磁界が羽根体に強く作用して高トルクの回転による外力付加を実現することができ、常温時には羽根体の周囲に対する磁界の影響を抑制することができる。
これにより、感温磁性材料の磁性の温度特性を利用して、内部空間における永久磁石の高さ位置を制御することで、加熱時における高トルクの回転による外力付加と、常温時における羽根体の周囲に対する磁界の影響の抑制とを両立して実現できる。
これにより、感温磁性材料の透磁率の温度特性を利用して、永久磁石の磁束と回転磁界の磁束との鎖交量を制御することで、加熱時における高トルクの回転による外力付加と、常温時における羽根体の周囲に対する磁界の影響の抑制とを両立して実現できる。
これにより、常温時における羽根体の周囲全方向に対する磁界の影響を抑制することができ、例えば、羽根体を高さ(厚さ)を低く構成できる。
これにより、形状記憶合金の温度による形状変化を利用して、内部空間における永久磁石の高さ位置を制御することができ、加熱時における高トルクの回転による外力付加と、常温時における羽根体の周囲に対する磁界の影響の抑制とを両立して実現できる。
これにより、羽根体の下方側に生じる磁界を、加熱による高温時と非加熱時の常温時で変化させるように制御することができる。そのため、加熱時には回転磁界が羽根体に強く作用して高トルクの回転による外力付加を実現することができ、常温には羽根体の周囲に対する磁界の影響を抑制することができる。よって、強い磁力の永久磁石を装備して回転時の高トルク化を実現しつつ、非回転時には永久磁石の磁力の影響を抑制して使用性に優れた羽根体を備える羽根体付き容器を提供できる。
これにより、容器の底面外周に磁性金属材を有しているため、誘導加熱により容器を効率的に加熱でき、また、加熱時における回転時には磁性金属材より内周側に羽根体の収容部を配置しているため、容器外部からの回転磁界を羽根体に強く作用させることができる。
これにより、羽根体の下方側に生じる磁界を、加熱による高温時と非加熱時の常温時で変化させるように制御することができる。そのため、加熱時には回転磁界が羽根体に強く作用して高トルクの回転による外力付加を実現することができ、常温時には羽根体の周囲に対する磁界の影響を抑制することができる。よって、強い磁力の永久磁石を装備して回転時の高トルク化を実現しつつ、非回転時には永久磁石の磁力の影響を抑制して使用性に優れた羽根体を備える羽根体付き容器を用いて、被加熱物に対する加熱調理を行う加熱調理器を提供できる。
これにより、容器の底面外周に磁性金属材を有しているため、誘導加熱により容器を効率的に加熱でき、また、加熱時における回転時には磁性金属材より内周側に羽根体の収容部を配置しているため、容器外部からの回転磁界を羽根体に強く作用させることができる。
図1は、本発明の実施の形態1における撹拌体(羽根体の一例)を配した撹拌機能付き容器(羽根体付き容器の一例)を上方からみた平面図である。図1に示すように、撹拌体10は、永久磁石12および磁界制御部材13を収納する収納部14と、収納部14の周囲に設けられた羽根部11とを備える。撹拌体10は、被調理物(図示せず)を収納する容器20の内底面に着脱自在に配置され、撹拌体10が回転することにより容器20内の被調理物に対して外力を付与して、羽根部11により被調理物を撹拌する構成となっている。
図8は、本発明の実施の形態2における加熱調理器の部分断面図である。上述の実施の形態1の加熱調理器では、撹拌体10における永久磁石12が上下に移動することで、永久磁石12と回転磁界発生部60との距離の変化により撹拌体10からの磁界が制御される構成が採用されていた。これに対して、本実施の形態2の加熱調理器では、永久磁石12が撹拌体10の下部に配置された状態で感温磁性材料を用いた磁界制御部材13が、永久磁石12における容器20の内底面20A側を覆う形に設けられた構成が採用されている。これにより、収納部14において、永久磁石12を上下方向に移動させる空間を設ける必要を無くすことができ、収納部14の高さを低く構成できる。
図10は、本発明の実施の形態3における撹拌体の収納部14の内部を示す部分断面図である。本実施の形態3においては永久磁石12が上下に移動することで永久磁石12と回転磁界発生部60との間の距離の変化を利用して撹拌体10からの磁界を制御する構成を採用している点において上述の実施の形態1と類似した構成となっている。本実施の形態3が実施の形態1と異なる点は、磁界制御部材13に外部からの加熱による温度上昇に伴って形状が変化する性質をもたせた形状記憶合金を用いた構成を採用している点である。
11 羽根部
12 永久磁石
13 磁界制御部材
14 収納部
20 容器
20A 内底面
40 載置部
50 加熱部
60 回転磁界発生部
Claims (10)
- 容器に対して着脱自在に配されるとともに、回転することにより前記容器内の被調理物に対して外力を付与する羽根体であって、
前記羽根体の下方側に生じる回転磁界を受けて、前記羽根体を回転させる永久磁石と、
常温時よりも高温時に強くなるように、前記羽根体の下方側に生じる前記永久磁石の磁界の強さを制御する磁界制御部材と、
前記永久磁石と前記磁界制御部材とを収納する収納部と、
前記収納部に取り付けられ、前記羽根体の回転により前記容器内に収容された被調理物に対して外力を付与する羽根部と、を備える、羽根体。 - 前記磁界制御部材は、常温域よりも高温域で磁性が弱くなるような感温磁性材料にて形成されている、請求項1に記載の羽根体。
- 前記収納部は、前記永久磁石を上下方向に移動可能に収容する内部空間を有し、
前記磁界制御部材が前記内部空間の上部に固定され、
前記永久磁石は、常温時には前記磁界制御部材の磁力により吸引されて、前記内部空間の上部に位置し、高温時には前記内部空間の下部に位置する、請求項2に記載の羽根体。 - 前記磁界制御部材は、常温域よりも高温域で透磁率が低くなるような感温磁性材料にて形成され、
前記磁界制御部材は、前記永久磁石の底面を覆うように配置されている、請求項1に記載の羽根体。 - 前記磁界制御部材は、前記永久磁石の全体を覆うように配置されている、請求項4に記載の羽根体。
- 前記収納部は、前記永久磁石を移動可能に収容する内部空間を有し、
前記磁界制御部材は、温度により形状が変化する形状記憶合金にて形成されるとともに、前記内部空間内において前記永久磁石を支持し、
前記内部空間内において、常温域よりも高温域で前記磁界制御部材による前記永久磁石の支持高さ位置が低くなるように、前記磁界制御部材の形状が変化する、請求項1に記載の羽根体。 - 被調理物を収容可能であって、外部からのエネルギを受けて発熱する前記容器と、
請求項1から6のいずれか1つに記載の羽根体と、を備える、羽根体付き容器。 - 前記容器は、誘導磁界を受けて発熱する磁性金属材を底面外周に有し、
前記羽根体は、前記容器の内底面に着脱可能に配され、
前記羽根体が前記容器の内底面に配された状態にて、前記羽根体の前記収納部は、前記容器の前記磁性金属材より内周側に配置される、請求項7に記載の羽根体付き容器。 - 請求項7に記載の羽根体付き容器と、
前記容器を載置可能な載置部と、
前記載置部の下方側に設けられ、前記容器にエネルギを付与して前記容器を加熱する加熱部と、
前記載置部の下方側に設けられ、前記羽根体の前記永久磁石に対して回転磁界を付与する回転磁界発生部と、
を備える、加熱調理器。 - 前記容器は磁性金属材を底面外周に有し、
前記羽根体は前記容器の内底面に着脱可能に配され、
前記羽根体が前記容器の内底面に配された状態にて、前記羽根体の前記収納部は、前記容器の前記磁性金属材より内周側に配置され、
前記加熱部は、誘導磁界を発生させて前記容器の前記磁性金属材を誘導加熱する加熱コイルを有し、
前記載置部において、前記回転磁界発生部の周囲に前記加熱コイルが配置されている、請求項9に記載の加熱調理器。
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CN201580004560.7A CN105916421B (zh) | 2014-02-25 | 2015-02-24 | 叶片体、带叶片体的容器和加热烹调器 |
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WO2017219120A1 (en) * | 2016-06-23 | 2017-12-28 | Bevstir Innovations Inc. | Mixing bottle with magnetic mixing blade |
CN107912999A (zh) * | 2016-10-08 | 2018-04-17 | 珠海格力电器股份有限公司 | 破壁机及其转动机构 |
CN107715743A (zh) * | 2017-10-31 | 2018-02-23 | 中国船舶重工集团公司第七0研究所 | 一种框架式黏性涂料混合装置 |
CN107715743B (zh) * | 2017-10-31 | 2023-07-28 | 中国船舶重工集团公司第七0一研究所 | 一种框架式黏性涂料混合装置 |
CN110448198A (zh) * | 2019-07-18 | 2019-11-15 | 王晓东 | 具有料渣甩干功能的食品处理机 |
CN112971512A (zh) * | 2019-12-13 | 2021-06-18 | Seb公司 | 包括搅拌叶片的用于烹饪食物的电烹饪器具 |
FR3104399A1 (fr) | 2019-12-13 | 2021-06-18 | Seb S.A. | Appareil de cuisson électrique pour cuire des aliments comprenant une pale de brassage |
EP3834675A1 (fr) | 2019-12-13 | 2021-06-16 | Seb S.A. | Appareil de cuisson électrique pour cuire des aliments comprenant une pale de brassage |
WO2022003318A1 (en) * | 2020-06-30 | 2022-01-06 | Dyson Technology Limited | A foodstuff receptacle |
GB2597906A (en) * | 2020-06-30 | 2022-02-16 | Dyson Technology Ltd | A foodstuff receptacle |
GB2597906B (en) * | 2020-06-30 | 2023-01-11 | Dyson Technology Ltd | A foodstuff receptacle |
WO2022034269A1 (fr) * | 2020-08-11 | 2022-02-17 | Patrick Herbault | Robot de cuisson autoalimenté |
Also Published As
Publication number | Publication date |
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CN105916421B (zh) | 2018-12-11 |
DE112015000948T5 (de) | 2016-11-03 |
RU2016134582A3 (ja) | 2018-08-06 |
RU2016134582A (ru) | 2018-03-27 |
CN105916421A (zh) | 2016-08-31 |
RU2670017C2 (ru) | 2018-10-17 |
JP2015156994A (ja) | 2015-09-03 |
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