WO2018131140A1 - フライヤー - Google Patents
フライヤー Download PDFInfo
- Publication number
- WO2018131140A1 WO2018131140A1 PCT/JP2017/001038 JP2017001038W WO2018131140A1 WO 2018131140 A1 WO2018131140 A1 WO 2018131140A1 JP 2017001038 W JP2017001038 W JP 2017001038W WO 2018131140 A1 WO2018131140 A1 WO 2018131140A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- storage tank
- oil storage
- car
- energizing
- side fixing
- 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
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/12—Deep fat fryers, e.g. for frying fish or chips
- A47J37/1257—Deep fat fryers, e.g. for frying fish or chips electrically heated
- A47J37/1261—Details of the heating elements; Fixation of the heating elements to the frying vessel
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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
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/12—Deep fat fryers, e.g. for frying fish or chips
- A47J37/1266—Control devices, e.g. to control temperature, level or quality of the frying liquid
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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
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/12—Deep fat fryers, e.g. for frying fish or chips
- A47J37/1204—Deep fat fryers, e.g. for frying fish or chips for domestic use
- A47J37/1209—Deep fat fryers, e.g. for frying fish or chips for domestic use electrically heated
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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
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/12—Deep fat fryers, e.g. for frying fish or chips
- A47J37/1271—Accessories
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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
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/12—Deep fat fryers, e.g. for frying fish or chips
- A47J37/1276—Constructional details
-
- 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
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/12—Deep fat fryers, e.g. for frying fish or chips
- A47J37/1295—Frying baskets or other food holders
-
- 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
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/12—Deep fat fryers, e.g. for frying fish or chips
Definitions
- the present invention relates to a fryer for performing frying cooking of ingredients.
- an electrode for forming an electric field may be provided in the oil storage tank, and various electrode structures have been proposed.
- an electric field forming unit having a box-type fixed electrode that closes five surfaces excluding the upper surface and a movable electrode having a lid-type structure that closes the upper surface is provided in a fryer storage tank, In the space closed by the fixed electrode and the movable electrode, the material is cooked without frying by frying the material while applying an electric field to the oil using the entire surface of the six surfaces of the electrode.
- a flyer that can be used is disclosed.
- the flyer described in Patent Document 1 does not assume that the material is put into and out of the oil storage tank using a metal net.
- the flyer described in Patent Document 1 when the movable electrode provided in the oil storage tank comes into contact with a metal mesh, a high voltage is applied to the metal mesh, and the metal mesh There was a risk that the user of the flyer handling Then, it is necessary to take out the material to be fried in the oil storage tank using a wooden chopstick or the like, which is inconvenient when fry cooking a large amount of material.
- Patent Document 2 discloses that an electric field is induced in an electrode plate by bringing an electrode in the oil storage tank into contact with an electrode plate disposed in the inside of the frying basket, so that the oil storage tank A fryer capable of cooking with an electric field applied to the oil inside is disclosed.
- the fryer described in Patent Document 2 is easier to introduce than the fryer described in Patent Document 1, but when fried debris accumulates on the electrode in the oil storage tank disposed in the oil storage tank, There is a problem in that the electrode in the oil storage tank cannot be brought into contact with the plate, and therefore an electric field cannot be applied to the oil in the oil storage tank.
- an object of the present invention is to provide a fryer with good workability in a fryer for performing frying cooking of a material in a state where an electric field is applied to oil stored in the oil storage tank.
- an oil storage tank portion including an oil storage tank including at least a part of an inner surface made of a metal material plate, and an oil storage tank made of a metallic net
- the oil storage tank part has a storage tank side fixing part for placing the car in the oil storage tank without being energized with the inner side surface, and a working side surface of the oil storage tank.
- An energizing electrode disposed on the oil storage tank on the side facing the metal tank, and having an energizing electrode insulated from the inner surface for energizing an alternating current to a metal net when a cage is disposed in the oil storage tank
- the car side fixing part for arranging the car without being energized with the inner side surface in the oil storage tank in combination with the oil storage tank side fixing part.
- the fryer according to the first aspect, wherein the oil storage tank section has a potential holding section that holds the metal material plate of the oil storage tank at a predetermined potential.
- the first or second aspect having a control unit that controls the energization unit so that energization is performed only when the oil storage tank side fixing unit and the car side fixing unit are engaged.
- the flyer described in is provided.
- the fryer according to any one of the first to third aspects, wherein the oil storage tank side fixing part and the energizing part or / and the car side fixing part and the power receiving part are the same. I will provide a.
- the flyer according to any one of the first to fourth aspects, wherein the car is provided with a handle insulated from a metal net constituting the car. I will provide a.
- the flyer according to any one of the first to fifth aspects, wherein the upper side of the cooking oil immersion planned area in the car oil storage tank is made of an insulating material. To do.
- the energization section provides the flyer according to any one of the first to sixth aspects in which alternating current is energized only to a part of the car.
- the flyer according to the eighth aspect wherein the car is a rectangular shape, and the part and the other part are each part when the entire car is divided symmetrically. To do.
- the flyer of the present invention uses the car itself used for taking in and out the material to be fried in the oil storage tank as an electrode for applying an electric field to the oil. Then, since work in and out of the material into the oil storage tank can be performed using a basket, workability is good. Moreover, even if fried residue accumulates in the oil tank, the formation of the electric field is not hindered.
- Outline diagram showing an example of the flyer of the present invention Schematic diagram showing an example of the oil storage tank section of the fryer of the present invention Schematic diagram showing an example of the flyer basket of the present invention Schematic diagram showing another example of the flyer basket of the present invention
- summary of the electric field formed at the time of cooking of the fryer of this invention Schematic showing an example of an oil storage tank side fixing part having a control part in the flyer of the present invention
- a schematic diagram showing an example when the oil storage tank side fixing portion and the energizing portion, and the car side fixing portion and the power receiving portion are the same.
- Schematic diagram showing another example of the flyer basket of the present invention Schematic diagram showing another example of the flyer basket of the present invention
- FIG. 1 is a schematic diagram showing an example of a flyer according to the present invention, where (a) is a perspective view and (b) is a side view inside an oil storage tank.
- the flyer according to the present invention includes an oil storage tank (0101) and a car (0102).
- the basic configuration is the same as that of a normal fryer for frying the material without applying an electric field to the oil stored in the oil storage tank, and in the high-temperature oil stored in the oil storage tank of the oil storage tank section. By immersing the basket, the ingredients put into the basket are fried.
- the difference from a normal fryer is that when the car is immersed in oil, the car itself is used as an electrode for forming an electric field by energizing the car with alternating current.
- FIG. 2 is a schematic diagram which shows an example of the oil storage tank part of the fryer of this invention, (a) is a perspective view, (b) has shown the side view.
- An oil storage tank part is comprised including the oil storage tank (0111) by which at least one part inner surface is comprised with a metal material board, and an oil storage tank side fixing
- the oil storage tank (0111) is a space for storing oil for fried cooking of materials, and at least a part of the inner surface (0112) is constituted by a metal material plate.
- the “inner side surface” indicates the inner side surface and the bottom surface of the oil storage tank.
- the inner surface may be constituted by the metal material plate itself, but the surface of the metal material plate may be coated with an insulating resin (for example, Teflon (registered trademark)).
- an insulating resin for example, Teflon (registered trademark)
- the oil storage tank section has a heating section (not shown) for heating the oil stored in the oil storage tank to a high temperature.
- the oil can be heated to a high temperature using, for example, an electric heating or gas heater.
- the oil storage tank side fixing portion is provided to immerse the car in the oil storage tank without energizing the inner surface.
- “The car is immersed in the oil storage tank without being energized with the inner surface” means that the metal net constituting the car and the metal material plate constituting the inner surface of the oil tank are not energized. It shows that the car is immersed in the oil stored in the oil storage tank. If the metal material plate and the car are energized, the metal material plate and the car become equipotential, and an electric field cannot be formed between the metal material plate and the car.
- fixed part (0113) May be provided adjacent to the oil storage tank.
- the energizing part is an energizing electrode arranged on the upper side of the oil storage tank facing the working side of the oil storage tank, and an inner surface for supplying alternating current to the metal net when a cage is arranged in the oil storage tank And a conductive electrode insulated from each other.
- An alternating current is supplied to the energizing electrode (0116) from the power source (0114) via the cable (0115).
- the car itself can be used as an electrode for forming an electric field by energizing the car with alternating current through the energizing electrode.
- the frequency of alternating current is not particularly limited, and for example, an alternating current having a frequency of 50 kHz to 60 KHz may be applied to the energizing electrode.
- the voltage supplied from the power supply may be configured such that a voltage of several volts to several tens of volts (for example, 3 to 10 V) is supplied to the car.
- the working side surface (0117) indicates a side surface of the oil storage tank on the side where the flyer user performs operations such as taking in and out of the car to and from the oil storage tank. That is, the “side surface facing the working side surface of the oil storage tank” refers to the inner side surface facing the working side surface of the oil storage tank.
- “the upper part of the oil storage tank on the side facing the working side surface” means the upper part of the inner side surface on the side facing the working side surface of the oil storage tank, for example, on the side facing the work side surface of the oil storage tank.
- the part above the center of the inner surface in the height direction is shown. Therefore, the energizing electrode may be provided on the inner surface of the oil storage tank or may be provided on the upper part of the oil storage tank. When the energizing electrode is provided on the inner surface of the oil storage tank, the energizing electrode may or may not be immersed in the oil stored in the oil storage tank.
- the flyer user may come into contact with the energizing electrode and get an electric shock. Therefore, by providing the current-carrying electrode on the side facing the work side surface, it is possible to minimize the situation where the flyer user receives an electric shock.
- the energizing electrode must be insulated from the inner surface. If the energizing electrode and the inner surface are electrically connected, the inner surface becomes equipotential whether AC is supplied via the energizing electrode. Then, an electrodynamic field cannot be formed between the car and the inner surface.
- an insulating portion (0118) is provided between the inner surface of the oil storage tank and the energizing electrode.
- the output of the power source of the energizing unit is adjusted so that the magnitude of the electric field formed between the car and the inner surface is always within a certain range.
- the output of the power source is always constant, the magnitude of the electric field formed inside the car will change according to the amount, composition, moisture content, etc. of the material put into the car, It will be necessary to adjust the processing time and processing temperature of a material for every cooking. Therefore, by adopting a configuration in which the output of the power source is adjusted so that the magnitude of the electric field formed between the car and the inner side surface is constant, it is stable regardless of the amount, composition, and moisture content of the material. Cooking can be done.
- FIG. 3A and 3B are diagrams showing an example of a flyer cage of the present invention, in which FIG. 3A is a perspective view and FIG. 3B is a side view.
- the car (0102) is made of a metallic net (0121), and includes a car side fixing part and a power receiving part.
- basket is comprised with a metal net
- network may be coat
- the “metal mesh” is not particularly limited.
- the metal mesh may be made of a punching metal (see FIG. 3) or a wire (see FIG. 3-2).
- the car may be configured by connecting a plurality of metal nets using welding or the like, but if it is configured to be manufactured by extrusion molding of a single metal plate, due to poor contact at the weld location. This is preferable because it is possible to prevent a situation where alternating current is not supplied uniformly to the entire metal net.
- car it can design suitably according to an oil storage tank. That is, the fryer of the present invention can be introduced regardless of the size of the oil storage tank. Further, the size, shape, arrangement, etc. of the metal mesh (or through hole) are not particularly limited.
- the car-side fixing part is provided in order to arrange the car together with the oil storage tank side fixing part without energizing the inner surface of the oil storage tank.
- “Combined with the oil storage tank side fixing portion” indicates that the oil storage tank side fixing portion and the car side fixing portion are engaged, for example.
- fixed part is comprised by the hook (0122), and hooks a hook on the hook of the oil storage tank side fixing
- the car is arranged in the oil storage tank.
- the hook may be connected to a metal net constituting the cage by welding.
- “Arranging the car in the oil storage tank without energizing the inner side surface” means arranging the metal net constituting the car and the metal material plate constituting the inner side surface of the oil tank without energizing. Show.
- the power receiving unit is provided to receive electricity from the energizing electrode and to energize a metallic net constituting the car. That is, the power receiving unit is electrically connected to the metal mesh, and alternating current is supplied from the current passing electrode to the metal mesh through the power receiving unit by bringing the power receiving unit into contact with the energizing electrode.
- the power receiving pad (0123) that is electrically connected to the metal mesh is provided at the contact portion with the current-carrying electrode.
- the contact portion with the energizing electrode shall be indicated.
- the car is preferably provided with a handle (0124) insulated from a metal net constituting the car.
- a handle (0124) insulated from a metal net constituting the car.
- the handle By providing the handle, the user of the flyer can easily take in and out the car from the oil storage tank.
- the handle since the AC power is supplied to the metal net when cooking the material, the metal net and the handle need to be insulated.
- the handle is preferably made of a material having low thermal conductivity.
- the cage is provided with a handle by welding a part of the handle to a metal net.
- FIG. 4 shows an outline of the electric field formed during cooking of the fryer of the present invention.
- This figure shows an example in which the car shown in FIG. 3 is used.
- (A) is the case where V1> V2 in the case where the potential of the car due to the alternating current supplied to the car is expressed by V1sin ⁇ t (t is time), and the potential of the metal material plate of the oil storage tank is expressed by V2.
- b) shows the case of V1 ⁇ V2.
- the configuration other than the oil storage tank and the car is not shown, and an outline of the electric field formed when the car is immersed in the oil storage tank is shown.
- the example shown below is an assumption at the present time, and an outline of the electric field formed is still under study.
- an alternating current is energized to the car, so that an electrokinetic field (0401) is formed mainly between the car (0102) and the inner surface (0112) of the oil storage tank (0111).
- An electric field is applied to the oil stored in the tank. Oil convects in the oil storage tank, and the material inside the car is fried and cooked with oil to which an electric field is applied.
- the car has a higher potential than the metal plate of the oil storage tank. An electric field is formed inside the.
- the flyer of this invention is not restricted to the above-mentioned structure.
- another configuration example of the flyer of the present invention will be described.
- the oil storage tank section may have a potential holding section that holds the metal material plate of the oil storage tank at a predetermined potential. “Holding the metal material plate at a predetermined potential” indicates, for example, that the metal material plate is grounded and the potential of the metal material plate is held at zero.
- the fryer of the present invention forms an electric field inside the car by forming an electrodynamic field between the car and the oil storage tank. The magnitude of the generated electric field cannot be stabilized. Therefore, the electric field formed inside the car can be stabilized by grounding the metal material plate. Note that the potential of the metal material plate may be switched.
- the oil storage tank unit may include a control unit that controls the energization unit so that energization is performed only when the oil storage tank side fixing unit and the car side fixing unit are engaged.
- “When the oil storage tank side fixing part and the car side fixing part are engaged” means that the food is cooked by immersing the car in the oil storage tank.
- the risk of electric shock can be reduced by adopting a configuration in which AC power is supplied to the energizing electrode only during cooking of the material.
- FIG. 5 is a schematic view showing an example of an oil storage tank side fixing part having a control part in the fryer of the present invention, (a) is a perspective view, (b) is a side view, and (c) is a sectional view. Yes.
- the oil storage tank side fixing portion shown in FIG. 5 is configured so that a metal rod (0502) supported by a pair of struts (0501) serves as an energizing electrode, and the rod is movable up and down with respect to the struts. Yes.
- the car-side fixing portion is constituted by a hook
- the spring (0505) that supported the rod inside the column extends, and the rod drops downward.
- the bar comes into contact with the electrode (0503), and the bar is fixed.
- An alternating current is supplied to the electrode via a cable (0504) connected to a power source, and when the rod comes into contact with the electrode, an alternating current is also supplied to the rod. Further, since the rod and the hook also come into contact with each other, alternating current is energized through the hook to the metal net constituting the car.
- the bar When the car is taken out from the oil storage tank, the bar is returned to the upper part of the column by the force of the spring, the bar and the electrode are separated, and no AC is supplied to the bar. Since the electrode provided in the oil storage tank side fixing
- the oil storage tank side fixing portion and the energization portion, and the car side fixing portion and the power receiving portion are the same, as will be described in the configuration example 4.
- FIG. 6 is a schematic diagram showing another example of the flyer of the present invention, in which (a) shows a perspective view and (b) shows a side view.
- the fryer shown in FIG. 6 has the same oil storage tank side fixing part and energizing part, and the car side fixing part and power receiving part. That is, it is set as the structure which uses a hooking implement also as an electricity supply part by supplying alternating current from a power supply via a cable to the hooking fixture provided as the oil storage tank side fixing
- the hooking instrument that comes into contact with the car-side fixing portion and the power receiving portion is made of a conductive material as a current-carrying electrode, and the current-carrying electrode and the inner surface of the oil storage tank are insulated.
- the hook provided in the car as the car-side fixing part is also used as the power receiving part, and the metal net is energized through the hook.
- the hook and the metal net need to be electrically connected, and the hook is preferably made of a conductive material.
- the insulating support body (0601) is provided in the inner surface of the oil storage tank, Not only the inner surface of the oil storage tank but also, for example, a car may be provided. Further, the support may not be provided as long as the metal net and the inner surface do not contact each other.
- FIG. 7 is a schematic diagram showing another example of the configuration of the flyer cage of the present invention, where (a) shows a perspective view and (b) shows a side view when immersed in an oil storage tank. Yes.
- the car shown in FIG. 7 is made of an insulating material (0701) on the upper side of the cooking oil immersion planned area in the car oil storage tank.
- the “cooking oil soaking area” is the area of the side of the car that is to be soaked in cooking oil when the car is soaked in the oil storage tank, and “above the cooking oil soaking area” That is, the area that is not in contact with cooking oil.
- the cooking oil immersion scheduled region also varies. Therefore, “above cooking oil immersion scheduled area” is not necessarily strict. For example, when a car is immersed in an oil storage tank, a part of the insulating material may be immersed in the cooking oil.
- the reason why the upper side of the cooking oil soaking area is made of an insulating material is to prevent an electric shock of the fryer user.
- AC power is supplied to the metal nets that make up the basket, but parts that are not immersed in cooking oil may be touched by mistake and may cause electric shock. Arise. Then, the electric shock of the user of a fryer can be prevented by comprising the part which is not immersed in cooking oil with an insulating material.
- the upper side of the cooking oil soaking area is made of an insulating material
- the area above the cooking oil soaking area is not a metal mesh in the metal mesh that forms the side surface of the car.
- the surface of the metal net in such a region may be covered with an insulating resin (for example, Teflon (registered trademark)).
- the upper side of the cooking oil immersion planned area on the inner side surface of the oil storage tank is also configured with an insulating material. It is preferred that
- FIG. 8 is a schematic view showing another example of the flyer basket of the present invention, where (a) shows a perspective view and (b) shows a side view seen from the handle side.
- the car shown in FIG. 8 has a rectangular shape similarly to the car described above, but when the entire car is line-symmetrically divided, a pair of metal nets (0801, 0802) sandwich the insulating plate (0803). It is composed of shapes.
- the insulating plates are provided at three places, that is, the side surface to which the handle is attached, the side surface opposite to the side surface, and the bottom surface, but if the pair of metal nets are insulated,
- the configuration is not particularly limited.
- connection between the metal net and the insulating plate may be made via a screw (0806) as shown in (c) as a cross-sectional view of the connecting portion between the metal net and the insulating plate, for example.
- a handle (0804) and a hook (0805) are attached to the car shown in FIG.
- the cage shown in FIG. 8 since the pair of metal nets are insulated by the insulating plate, only one of the pair of metal nets can be energized and the other one can be grounded.
- the oil storage tank portion described in the configuration example 1 two energization electrodes for energizing each pair of metal nets are provided as energization portions, and only one of them is energized.
- the other one By adopting a configuration in which the other one is grounded, it is possible to energize one of the metal nets and ground the other.
- FIG. 9 shows an outline of the electric field formed during cooking of the fryer using the basket of this configuration example.
- FIG. 9A shows the potential of the car due to the alternating current energized to the car as V1 sin ⁇ t (t is time).
- V1 sin ⁇ t the potential of the metal material plate of the oil storage tank
- V1> V2 the case of V1> V2
- V1 ⁇ V2 the case of V1 ⁇ V2.
- the configuration other than the oil storage tank and the car is not shown, and an outline of the electric field formed when the car is immersed in the oil storage tank is shown.
- the example shown below is an assumption at the present time, and an outline of the electric field formed is still under study.
- an electric field (0901) is formed between a pair of metal nets mainly constituting a car, and an electric field is applied to oil inside the car.
- an electric field is also formed between the metal net to which alternating current is applied and the inner surface of the oil storage tank.
- an electrodynamic field is formed between a metal net that is mainly energized with an alternating current and the inner surface of the oil storage tank.
- 0101 Oil tank section, 0102: Cage, 0111: Oil tank, 0112: Inner side surface, 0113: Hook, 0114: Power supply, 0115: Cable, 0116: Conductive electrode, 0117: Working side surface, 0118: Insulating part, 0121: Metal mesh, 0122: hook, 0123: power receiving pad, 0124: handle, 0401: electrokinetic field, 0501: support, 0502: bar, 0503: electrode, 0504: cable, 0505: spring, 0601: support, 0701 : Insulating material, 0801: Metal net, 0802: Metal net, 0803: Insulating plate, 0804: Handle, 0805: Hook, 0806: Screw, 0901: Electric field
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Abstract
Description
図2は、本件発明のフライヤーの貯油槽部の一例を示す概要図であり、(a)は斜視図、(b)は側面図を示している。貯油槽部は、金属材料板で少なくとも一部の内側面が構成される貯油槽(0111)を含んで構成され、貯油槽側固定部と、通電部が設けられる。
貯油槽(0111)とは、材料のフライ調理を行うための油を貯めておく空間であり、金属材料板で少なくとも一部の内側面(0112)が構成される。ここで「内側面」とは、貯油槽の内側の側面及び底面のことを示している。かごに交流が通電されると、貯油槽の内側面の金属材料板とかごの側面との間に動電場が形成され、貯油槽に貯められた油に電場が印加される。なお、「少なくとも一部の内側面」とあるように、貯油槽の内側面全てが金属材料板で構成されている必要はない。また、金属材料板そのもので内側面が構成されても良いが、例えば金属材料板の表面が絶縁性の樹脂(例えばテフロン(登録商標))で被覆されていても良い。金属材料板の表面を絶縁性の樹脂で被覆する構成とすると、かごと金属材料板とを絶縁することができる。
貯油槽側固定部は、貯油槽にかごを内側面と通電することなく浸漬配置するために設けられる。「貯油槽にかごを内側面と通電することなく浸漬配置する」とは、かごを構成する金属製の網と、貯油槽の内側面を構成する金属材料板とが通電することがないように、かごを貯油槽に貯められた油に浸漬して配置することを示している。もし、金属材料板とかごとが通電してしまうと、金属材料板とかごとが等電位となり、金属材料板とかごとの間で動電場を形成することができない。なお、貯油槽側固定部の構成について、特に限定するものではないが、例えば後述するかご側固定部をフックにより構成する場合に、貯油槽側固定部としてフックを引っ掛けるための引掛器具(0113)を貯油槽に隣接して設けても良い。
通電部は、貯油槽の作業側面に対面する側の貯油槽上部に配置される通電電極であって、貯油槽にかごが配置された場合に金属製の網に交流を通電するための内側面と絶縁された通電電極を備えている。通電電極(0116)には、電源(0114)からケーブル(0115)を介して交流が供給されている。本件発明のフライヤーは、通電電極を介してかごに交流を通電することにより、かご自体を電場形成用の電極とすることができる。なお、交流の周波数については特に限定するものではなく、例えば50kHz~60KHzの周波数の交流を通電電極に通電する構成としても良い。また、電源から供給される電圧の大きさについても、数Vから数十V(例えば3~10V)の大きさの電圧がかごに供給される構成としても良い。
図3は、本件発明のフライヤーのかごの一例を示す図であり、(a)は斜視図を、(b)は側面図を示している。本件発明のフライヤーにおいて、かご(0102)は金属性の網(0121)でできており、かご側固定部と、受電部から構成される。なお、かごを構成する側面が金属製の網で構成されるといっても、例えば金属製の網の表面が絶縁性の樹脂で被覆されていても良い。
かご側固定部は、貯油槽側固定部と相まってかごを貯油槽に内側面と通電させることなく配置するために設けられる。「貯油槽側固定部と相まって」とは、例えば貯油槽側固定部とかご側固定部とが係合することを示している。かご側固定部の構成について特に限定するものではないが、図3に示す例では、かご側固定部はフック(0122)により構成されており、フックを貯油槽側固定部の引掛器具へと引っ掛けることにより、かごを貯油槽に配置する構成としている。フックは例えばかごを構成する金属製の網に溶接により接続されていても良い。「かごを貯油槽に内側面と通電させることなく配置する」とは、かごを構成する金属製の網と、貯油槽の内側面を構成する金属材料板とを通電させることなく配置することを示している。
受電部は、通電電極から受電してかごを構成する金属性の網に通電するために設けられる。すなわち、受電部は金属製の網と導通しており、受電部を通電電極と接触させることにより、通電電極から受電部を介して金属製の網に交流が通電される。なお、図3に示す例では、通電電極との接触部に金属製の網と導通している受電パッド(0123)を設けているが、例えば受電パッドを設けない構成の場合、受電部とは通電電極との接触部のことを示すものとする。
かごには、かごを構成する金属製の網と絶縁された持ち手(0124)が備えられていることが好ましい。持ち手が備えられることにより、フライヤーの利用者が、かごを貯油槽から容易に出し入れすることができる。ここで、金属製の網には、材料の調理時に交流電源が供給されているので、金属製の網と持ち手は絶縁されている必要がある。また、かごを高温の油に浸漬している際に、かごを構成する金属製の網は非常に高温となるから、持ち手は熱伝導率の低い素材で構成されることが好ましい。なお、図3に示す例では、金属製の網に持ち手の一部を溶接することにより、かごに持ち手が備えられている。
図4は、本件発明のフライヤーの調理時に形成される電場の概要を示している。本図に示すのは、図3に示すかごを用いた場合の例である。(a)はかごに通電される交流によるかごの電位がV1sinωt(tは時間)で表され、貯油槽の金属材料板の電位がV2で表される場合において、V1>V2の場合を、(b)はV1<V2の場合を示している。なお、説明のために、貯油槽とかごを除く他の構成については図示しておらず、貯油槽にかごを浸漬配置した際に形成される電場の概要を示している。また、以下に示す例は現時点での想定であり、形成される電場の概要については現在も研究中である。
本件発明の別の構成例として、貯油槽部は貯油槽の金属材料板を所定電位に保持する電位保持部を有していても良い。「金属材料板を所定電位に保持する」とは、例えば金属材料板を接地して、金属材料板の電位を0に保持することを示している。本件発明のフライヤーは、かごと貯油槽との間に動電場を形成することにより、かごの内部に電場を形成するものであるが、貯油槽の電位がふらついていると、かごの内部に形成される電場の大きさを安定させることができない。そこで、金属材料板を接地することにより、かごの内部に形成される電場を安定させることができる。なお、金属材料板の電位は切り替えられる構成としても良い。
本件発明の別の構成例として、貯油槽部は貯油槽側固定部とかご側固定部とが係合した場合にのみ通電を行うように通電部を制御する制御部を有していても良い。「貯油槽側固定部とかご側固定部とが係合した場合」とは、すなわちかごを貯油槽に浸漬して食材の調理を行う場合のことである。本件発明のフライヤーが制御部を有する構成とすることにより、貯油槽にかごを浸漬させて食材の調理を行っている時にのみ、通電部の通電電極を介してかごに交流電源が供給される構成とすることができる。例えば、通電部の通電電極に常に交流電源が供給されている構成とすると、フライヤーの利用者が誤って通電電極と接触してしまった場合に感電してしまうという恐れが生じる。そこで、材料の調理時のみ通電電極に交流電源が供給される構成とすることにより、感電の恐れを低減することができる。
Claims (9)
- 金属材料板で少なくとも一部の内側面が構成される貯油槽を含む貯油槽部と、
金属性の網でできた貯油槽に浸漬離脱自在なかごと、
からなるフライヤーであって、
貯油槽部には、
貯油槽にかごを前記内側面と通電することなく浸漬配置するための貯油槽側固定部と、
貯油槽の作業側面に対面する側の貯油槽上部に配置される通電電極であって、貯油槽にかごが配置された場合に金属製の網に交流を通電するための前記内側面と絶縁された通電電極を備えた通電部と、
を設け、
かごには、貯油槽側固定部と相まってかごを貯油槽に前記内側面と通電させることなく配置するためのかご側固定部と、
貯油槽に配置された場合に、通電電極から受電して金属性の網に通電するための受電部と、
を設けたフライヤー。 - 貯油槽部は貯油槽の金属材料板を所定電位に保持する電位保持部を有する請求項1に記載のフライヤー。
- 貯油槽側固定部とかご側固定部とが係合した場合にのみ通電を行うように通電部を制御する制御部を有する請求項1又は2に記載のフライヤー。
- 貯油槽側固定部と通電部、又は/及びかご側固定部と受電部とが同一である請求項1から3のいずれか一に記載のフライヤー。
- かごには、かごを構成する金属製の網とは絶縁された持ち手が備えられている請求項1から4のいずれか一に記載のフライヤー。
- かごの貯油槽への調理油浸漬予定領域よりも上側は絶縁材料で構成されている請求項1から5のいずれか一に記載のフライヤー。
- 通電部はかごの一部にのみ交流を通電する請求項1から6のいずれか一に記載のフライヤー。
- 前記かごの他の一部はアースされている請求項7に記載のフライヤー。
- かごは直方形状で前記一部と他の一部は線対称にかごの全体を分けた場合の各部分である請求項8に記載のフライヤー。
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