CN1255070C - Rice cooker - Google Patents
Rice cooker Download PDFInfo
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- CN1255070C CN1255070C CNB2004100789339A CN200410078933A CN1255070C CN 1255070 C CN1255070 C CN 1255070C CN B2004100789339 A CNB2004100789339 A CN B2004100789339A CN 200410078933 A CN200410078933 A CN 200410078933A CN 1255070 C CN1255070 C CN 1255070C
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- upper plate
- mentioned
- lid
- cooker
- steam
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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
- A47J27/004—Cooking-vessels with integral electrical heating means
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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
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
To suppress contamination on the surfaces of a main body and a lid body, and facilitate the maintenance and the cleaning of the contamination by forming the main body wherein the upper opening is covered by the lid body, and an internal pot is housed inside, of an upper frame, an external wall made of a magnetic metal material, and a bottom plate. When cooking a rice, an internal pot 3 in which water and rice of specified amounts are contained, is housed in a rice cooker main body 1, and the upper opening is closed by a lid body 2. Then, a control panel 9 is controlled, and the internal pot 3 is heated by energization-controlling an induction heating coil 4 by a control section 14. Steam generated at this time is discharged from a steam discharging device 17. Then, a lid heater 20 and a body heater 34 are heat-controlled by the control section 14, and cooked rice is kept warm. In this case, the external wall 32a of an upper case 32 and the upper plate 36 of a lid case 35 in the main body case 3 are respectively formed of a base material comprising a non-magnetic metal material on the external surface of which a resin layer is coated. Further, a cover member 43 made of the same base material is arranged on the upper surface of the steam discharging device 17.
Description
Technical field
The present invention relates to a kind of cooker, more particularly relate to the structure of the body and the lid of cooker.
Background technology
Fig. 9 is the longitudinal sectional view of existing induction heating type cooker structure.Among the figure, the 1st, the cooker body of upper opening, the 2nd, the lid of installing by the 1a of hinge portion that is located at top, cooker body 1 rear, can cover to free folding the upper opening portion of cooker body 1, the 3rd, be contained in the interior pot in the cooker body 1,4 are provided in a side of internal pot 3 load coil that carries out electromagnetic induction heating in the cooker body.
The 5th, the body housing of cooker body 1, be formed with the lateral wall 6a of cooker body 1, upper ledge 6b and madial wall 6c, they are by constituting with the lower part: for example by the integrated shell 6 of going up of polypropylene synthetic resin such as (following writing PP), for example make by synthetic resin such as PP, form the lower casing 7 of the base plate 7a of the cooker body 1 that the upper end combines with the bottom of the lateral wall 6a of last shell 6, for example forms the shape of the bottom covering of interior pot 3 and upper end are combined also the coil holder 8 that a side below is equipped with load coil 4 with the bottom of the madial wall 6c of last shell 6 by synthetic resin such as nylon.In addition, a side is provided with guidance panel 9 in the front of last shell 6, and the bottom surface, rear of lower casing 7 is provided with the power line winding roll 10 that supply power is used.
In addition, on the approximate centre position of the coil holder 8 of body housing 5, be provided with the bottom of interior pot 3 contact, with the interior pot temperature sensor 11 of in detecting pot 3 temperature; The inside of cooker body 1 is provided with: be located at the outside of load coil 4, to prevent from the ferrite 12 of load coil 4 leakage fields, hide peripheral part, the anti-magnetic sheet 13 of cylindrical shape of load coil 4 and ferrite 12, and have the control part 14 so that the action of cooker is controlled such as control circuit board 14a further to prevent to constitute from the nonmagnetic materials such as for example aluminium of the two 4,12 leakage field.
The 15th, the cover housing of formation lid 2, by constituting with the lower part: for example make by synthetic resin such as PP, be provided with steam orifice 17a at the approximate centre position and form the upper plate 16 of upper surface one side of lid 2, for example make by synthetic resin such as PP, be provided with the tubular steam drain passageway 18a that is communicated with the steam orifice 17a of upper plate 16 at the approximate centre position and form the lower plate 18 of lower surface one side of lid 2.The 19th, that constitute by metal material, be provided with open pore 19a in the corresponding position of steam drain passageway 18a of approximate centre position and lower plate 18, be provided with the heat sink of the lid heater 20 that the wire heater by resistance wire such as nickel filament that is used for being incubated and preventing dewfall constituted in the above, be installed in lower plate 18 below.The 21st, the inner cap that constitutes by metal material, be provided with the steam hole 21a that is communicated with the steam drain passageway 18a of lower plate 18 at the approximate centre position, a following side that is installed in lower plate 18 to hide heat sink 19 detachable.In addition, on the outer peripheral edges of inner cap 21, be equipped with the flange 3a pressure of interior pot 3 and touch, the sealing gasket 23 in the inflow lids 2 such as preventing steam is installed in the open pore 19a of heat sink 19 so that interior pot 3 keeps bubble-tight lid sealing ring 22.
The cooker of Gou Chenging at first, is put into cooker body 1 (the madial wall 6c of the last shell 6 of body housing 5 and the inboard of coil holder 8) and is covered lid 2 with the interior pot 3 of water being placed with both quantitative rice when cooking like this.At this moment, the bottom surface of interior pot 3 closely contacts with the upper surface of interior pot temperature sensor 11.Secondly, when connection cooker power supply, when pressing the button of cooking (not shown) on the guidance panel 9 that is located at cooker body 1 a positive side, be located at cooker body 1 interior control part 14 and make load coil 4 energisings and produce eddy current in the bottom surface of interior pot 3, interior pot 3 generates heat and begins the process of cooking.Afterwards, according to the temperature that interior pot temperature sensor 11 detects implement preheating, cook, each process such as smoldering, the rice in the interior pot 3 is boiled ripe meal, when the process of cooking finishes, to 20 energisings of lid heater and implement insulating process.
Aforesaid cooker when using, is placed on the various places such as pond, the kitchen range top, refrigerator, windowsill and the first-class kitchen of desk in general family, also often be placed near the gas range.At this moment, the oil smoke that is also floating and producing in a lot of cooking process except dust in the air.Therefore, the surface of the body housing 5 of the cooker body 1 that constitutes with synthetic resin and the cover housing 15 of lid 2 will be dirty because of the Electrostatic Absorption dust, and the oil smoke that floats is the adhesion of oil film shape and becomes sticking.In addition, sometimes,, make that the degree of fouling on surface is even more serious attached to lip-deep dust and greasy being adhered together.So,, on the contrary it is made dirty and use brushing such as metallic brush can abrade the surface, and can damage cooker even can not accomplish very totally with wipings such as wet cloth for cleaning dirty surface.
In addition, because the upper plate 16 of lid 2 is made of synthetic resin such as PP, so intensity is relatively poor, the heating-up temperature when cooking makes lid 2 buckling deformations sometimes, when this state became remarkable, also the pressure that once realized by lid sealing ring 22 because of inner cap 21 and interior pot 3 was touched to weaken and is caused vapour leakage.And the distortion of lid 2 also diminishes outward appearance.
In addition, as cooker body 1, owing to worry only perhaps can not prevent from load coil 4 leakage fields with ferrite 12, thereby used anti-magnetic sheet 13.Like this, cooker body 1 inside need be its retaining space, makes that cooker body 1 can not miniaturization.
In addition, when seething with excitement in the interior pot, the steam orifice 17a of its steam from the steam hole 21a of the inner cap 21 steam drain passageway 18a by lower plate 18 from upper plate 16 discharged after the process of cooking began.At this moment, heat of steam might cause cover housing 15 (near the particularly upper plate 16 the steam orifice 17a) hot-spot of steam orifice 17a periphery, and produce the temperature difference between the cover housing 15 of peripheral part one side of lid 2, thereby cause cover housing 15 distortion, hinder the opening and closing movement of lid 2, and, in the cover housing 15 particularly the steam orifice 17a periphery of upper plate 16 might become fragile and damaged.
Summary of the invention
The present invention develops for solving above-mentioned shortcoming, its objective is provide a kind of alleviate body and top surface dirty, can make dirty be easy to remove be difficult for cooker dirty and that clanability is good.
In addition, the purpose of this invention is to provide and a kind ofly can prevent that the heating-up temperature of lid when cooking is out of shape, the cooker of no vapour leakage.
In addition, the purpose of this invention is to provide a kind of anti-magnetic sheet that does not need anti-leakage field, make the cooker of body miniaturization.
In addition, the purpose of this invention is to provide a kind of lid heating temperature is evenly distributed and can prevents lid distortion, can not cause the cooker that hinders the lid opening and closing movement, prevent the lid breakage.
(1) heating arrangements that cooker involved in the present invention comprises body, covers the lid of this upper part of body peristome, is contained in intrinsic interior pot removably and heats pot in this, body have the lateral wall and the base plate that constitutes the bottom surface of the nonmagnetic material that constitutes the side.
(2) in addition, the side of body and bottom surface constitute with the nonmagnetic material one.
(3) in addition, more constitute with nonmagnetic material till the below from playing than the lowest end of heating arrangements at least in the side of body with the position in opposite directions, the top of heating.
(4) and then, constitute with nonmagnetic material with heating arrangements part in opposite directions at least in the body.
(5) in addition, the top part of each lid constitutes with metal material in above-mentioned (1)～(4).
(6) lid of above-mentioned (5) has: with metal material make, have at the approximate centre position recess that the steam discharging device with steam orifice can be installed freely removably, be the plane and be roughly the 1st upper plate of annular, and with synthetic resin make, integrated in the outer peripheral edges portion of the 1st upper plate, be the plane and be roughly the 2nd upper plate of annular.
(7) the 1st upper plate of above-mentioned (6) is following to be covered from the continuous synthetic resin of the 2nd upper plate.
(8) on the steam discharging device of above-mentioned (6) or (7), be provided with the outer cover component of making by metal material.
(9) lid of above-mentioned (5) has cover housing and heat sink, described cover housing has: the 1st upper plate that is made of the roughly rounded metal material that forms of profile, and constitute by synthetic resin, one-body molded in the outer peripheral edges portion of the 1st upper plate, be the plane and be roughly the 2nd upper plate of annular, described heat sink and be arranged at cover housing and hide in pot the inner cap of upper opening portion between cover housing face in opposite directions on be equipped with the 2nd heating arrangements.
(10) the 1st upper plate of the cover housing of above-mentioned (9) constitutes with nonmagnetic material, and heat sink constitutes with magnetic-permeable material and inner cap is to constitute with the magnetic metal material, and the 2nd heating arrangements constitutes with load coil.
(11) each metal material or nonmagnetic material contains copper in above-mentioned (1)～(10).
(12) each metal material or nonmagnetic material are the stainless steel materials of cupric 1.3%～4.0% in above-mentioned (1)～(10).
(13) be formed with the resin bed that applies with synthetic resin in above-mentioned (1)～(12) on the outer surface of the matrix material of each metal material or nonmagnetic material.
(14) formed the resin bed that applies with synthetic resin on the face of the matrix material before the machine-shaping of above-mentioned (13).
(15) resin bed of above-mentioned (13) or (14) is unassured chromatograph.
What (16) each nonmagnetic material adopted in above-mentioned (1)～(4) or (10)～(15) is austenitic stainless steel material.
What (17) in addition, each nonmagnetic material adopted in above-mentioned (1)～(4) or (10)～(15) is aluminium.
(18) in addition, have body, cover the lid with steam discharge portion of upper part of body peristome, be housed in removably intrinsic in the heating arrangements of pot in pot and the heating, near the steam discharge portion that is provided with on the lid with the upper plate that constitutes this lid and the outer peripheral edges portion contacted heat sink in inboard.
(19) in addition, above-mentioned upper plate has: the 1st upper plate that metal material constitutes with above-mentioned steam discharge portion, and by synthetic resin constitute, integrated in the outer peripheral edges portion of above-mentioned the 1st upper plate, be the plane and be roughly the 2nd upper plate of annular,
Above-mentioned heat sink contacts with near the steam discharge portion of above-mentioned the 1st upper plate internal face and the 2nd upper plate.
(20) above-mentioned upper plate has: with metal material constitute, have at the approximate centre position recess that the steam discharging device with steam orifice can be installed freely removably, be the plane and be roughly the 1st upper plate of annular, and by synthetic resin constitute, integrated in the outer peripheral edges portion of above-mentioned the 1st upper plate, be the plane and be roughly the annular the 2nd upper plate
Contact below the recess of above-mentioned heat sink and above-mentioned the 1st upper plate, and contact (comprising chimeric) with the internal face of above-mentioned the 2nd upper plate.
(21) in addition, be provided with the fin that is the plane and is roughly annular in the outer peripheral edges portion inboard of above-mentioned the 1st upper plate.
(22) in addition, above-mentioned heat sink and fin constitute with thermal conductivity good metal material.
(23) and then, above-mentioned heat sink and fin constitute with aluminium.
(1) because the heating arrangements that cooker involved in the present invention comprises body, covers the lid of this upper part of body peristome, is contained in intrinsic interior pot removably and heats pot in this, the lateral wall of the nonmagnetic material that body has the upper ledge that constitutes top, constitute the side and constitute the base plate of bottom surface
(2) in addition, the side of body and bottom surface constitute with the nonmagnetic material one,
(3) or, it more constitutes with nonmagnetic material till the below from playing than the lowest end of heating arrangements with the top portion position in opposite directions of heating arrangements at least in the side of body,
(4) and, constitute with nonmagnetic material with heating arrangements part in opposite directions at least in the body, therefore, not only can prevent, and can save over and be arranged on intrinsic anti-magnetic sheet from the heating arrangements leakage field, make the body miniaturization.
(5) because the top part of each lid is with the metal material formation in above-mentioned (1)～(4), therefore, dust that floats in the air and oil smoke etc. are difficult for can alleviating the dirty of cooker integral body attached to body and top surface.And, even dirty also can by shirtsleeve operation make it the cleaning, can obtain the good cooker of clanability.
(6) since the lid of above-mentioned (5) have: with metal material make, have at the approximate centre position recess that the steam discharging device with steam orifice can be installed freely removably, be the plane and be roughly the 1st upper plate of annular, and with synthetic resin make, integrated in the outer peripheral edges portion of the 1st upper plate, be the plane and be roughly the annular the 2nd upper plate, therefore, dirty lid upper surface is become be difficult for dirty, and, also clean easily when dirty.In addition,, therefore, do not exist to connect the slit, can obtain to worry that dust enters connects in the slit and the good cooker of clanability because the 1st upper plate and the 2nd upper plate are one-body molded.
(7) because the 1st upper plate of above-mentioned (6) following to be covered from the continuous synthetic resin of the 2nd upper plate, therefore, not only can obtain above-mentioned effect, and can obtain to prevent the function that the insulation of lid uses the radiant heat of heating arrangements to scatter and disappear to the lid outside heat insulation effect of the interior rice of pot in can improving as baffle plate.
(8) owing on the steam discharging device of above-mentioned (6) or (7), be provided with the outer cover component that constitutes by metal material, therefore, can make with lid equally especially easily the upper surface of dirty steam discharging device be difficult for dirty, even also clean easily when dirty.
(9) because the lid of above-mentioned (5) has cover housing and heat sink, and described cover housing has integrated the 2nd upper plate that is the plane and is roughly annular of the outer peripheral edges portion at the 1st upper plate of making by roughly rounded the 1st upper plate that metal material constituted that forms of profile and with synthetic resin, described heat sink and cover housing and hide in pot the inner cap of upper opening portion between be equipped with the 2nd heating arrangements on the set cover housing face in opposite directions, therefore, improved the intensity of lid, so can the heating-up temperature when cooking not cause the lid warpage, can prevent vapour leakage.And, because the 1st upper plate and the 2nd upper plate are one-body molded, can save and be used for the screw of they joints or bonding agent etc.
(10) since the 1st upper plate of the cover housing of above-mentioned (9) constitute with nonmagnetic material, heat sink constitutes with magnetic-permeable material and inner cap constitutes with the magnetic metal material, the 2nd heating arrangements constitutes with load coil, therefore, the 1st upper plate by cover housing, the outside leakage field of load coil on the heat sink can be prevented to be provided in, the cooker of anti-magnetic sheet etc. can be obtained to reset.
(11) owing to each metal material or nonmagnetic material in above-mentioned (1)～(10) contains copper, therefore, can obtain the antibacterial effect that copper has, can make cooker body and top surface keep health.
(12) since in above-mentioned (1)～(10) during each metal material or nonmagnetic material be the stainless steel material of cupric 1.3%～4.0%, therefore, can obtain the high cooker of antibiotic property.
(13) owing to be formed with the resin bed that applies with synthetic resin on the outer surface of each metal material or the matrix material of nonmagnetic material in above-mentioned (1)～(12), therefore, not only on the difficult surface such as dust that floats in the air or oil smoke attached to body and lid, and fingerprint etc. also is difficult for adhering to, and can obtain to be difficult for cooker dirty and that clanability is good.
(14) owing to formed the resin bed that applies with synthetic resin on the matrix material one face before the machine-shaping of above-mentioned (13), therefore, not only can be substantially coated with resins layer equably, and moulding can be reduced the time and the friction between the mould, can obtain to prevent resin bed cooker impaired, that pressure processing is good.
(15) because the resin bed of above-mentioned (13) or (14) is unassured chromatograph, therefore, even just in case in use produce scar, not eye-catching yet.
(16) because each nonmagnetic material adopts in above-mentioned (1)～(4) or (10)～(15) is austenitic stainless steel material, therefore, not only can prevent, and can obtain the high cooker of outer surface intensity from the load coil leakage field.
(17) in addition, be aluminium because each nonmagnetic material adopts in above-mentioned (1)～(4) or (10)～(15), therefore, leakage field not only can be prevented, and the lightweight cooker of body can be obtained from load coil.
(18) in addition, owing to have body, cover the lid with steam discharge portion of upper part of body peristome, be housed in the heating arrangements of pot in intrinsic interior pot and the heating removably, be provided with on the lid and constituting near the steam discharge portion of upper plate of this lid and the inboard contacted heat sink of outer peripheral edges portion, therefore, by this heat sink, the heat of the steam steam that lid is accepted when discharge the outside that produces in the pot in can making in the process of cooking is distributed, make the lid uniformity of temperature profile, can prevent that lid is out of shape because of being heated, thereby can obtain the cooker that the lid opening and closing movement can not be obstructed.
(19) in addition, because lid has integrated the 2nd upper plate that is the plane and is roughly annular in the outer peripheral edges portion of above-mentioned the 1st upper plate that the 1st upper plate with steam discharge portion that metal material makes and synthetic resin are made, near the steam discharge portion that is provided with on the lid with the 1st upper plate and the contacted heat sink of internal face of the 2nd upper plate, therefore, by this heat sink, near the hot-spot of steam discharge portion of the 1st upper plate of the heat of steam in the process of cooking can be prevented to bear especially, lid distortion and damaged cooker can be obtained to prevent.
(20) in addition, because lid has: make with metal material, have detachable ground at the approximate centre position recess of steam discharging device with steam orifice is installed, be the plane and be roughly the 1st annular upper plate, and make with synthetic resin, outer peripheral edges portion at the 1st upper plate is integrated, be the plane and be roughly the 2nd annular upper plate, on lid, be provided with and contact below the recess with the 1st upper plate, and chimeric with the internal face of the 2nd upper plate or contact heat sink, therefore, by this heat sink, can prevent to bear especially the recess hot-spot of the 1st upper plate of heat of steam in the process of cooking, can obtain can distribute heat and reliably prevent lid distortion and damaged cooker.
(21) in addition,, therefore, the heat of steam that the 1st upper plate is born can be distributed, the cooker of hot-spot can be obtained to prevent owing to be provided with the fin that is the plane and is roughly annular in the outer peripheral edges portion inboard of the 1st upper plate.
(22) in addition, because heat sink and fin be with thermal conductivity good metal material formation, therefore, but the distributing high efficiency and carry out reliably of steam heat.
(23) and then, because heat sink and fin constitute with aluminium, therefore, not only the conductibility of steam heat and diffusivity are improved, and can obtain cheap cooker.
Description of drawings
Fig. 1 is the longitudinal sectional view of the related cooker of the invention process form.
Fig. 2 is the vertical view of the related cooker of the invention process form.
Fig. 3 is the side view of the related matrix material of the invention process form 1.
Fig. 4 is the longitudinal sectional view of the related cooker of the invention process form 2.
Fig. 5 is the longitudinal sectional view of the related cooker of the invention process form 3.
Fig. 6 is the fragmentary sectional elevation view of the related cooker of the invention process form 7.
Fig. 7 is the enlarged drawing of the major part of Fig. 6.
Fig. 8 is the longitudinal sectional view of the lid of the related cooker of the invention process form 7.
Fig. 9 is a longitudinal sectional view of showing existing induction heating type cooker structure.
The specific embodiment
Form of implementation 1
Fig. 1 is the longitudinal sectional view of the related cooker of the invention process form.Fig. 2 is its vertical view.The part identical with the prior art that illustrates with Fig. 9 given identical numbering and omission will be described.
Among the figure, the 31st, the body housing of the cooker body 1 that constitutes by last shell 32, lower casing 33 and coil holder 8.
The outer peripheral portion of cooker body 1 is the easiest of the part of load coil 4 to the body exterior leakage field, but because lateral wall 32a system constitutes with nonmagnetic material as previously mentioned, therefore can prevent leakage field effectively.And, if being extended to than the lowest end of load coil 4 always, lateral wall 32a more locates by following, then can further prevent leakage field reliably.In addition, if lateral wall 32a makes with the magnetic metal material, then can be heated and heating, but, can not be heated because of magnetic induction owing to be that the nonmagnetic metal material constitutes by leakage field from load coil 4.
In addition, the lateral parts of cooker body 1 is to be the plane or slow curved surface forms, so even adopt metal material also to process easily.And, because lateral wall 32a forms with metal material, thus with comparing that synthetic resin constitutes, the oil smoke that floats in the air etc. is difficult for adhering to, though when adhering to wiped clean simply such as the cloth that wets.
As nonmagnetic material,, the intensity of cooker body 1 is improved if adopt austenitic stainless steel material.That is, when cooker needed hand-held cooker body 1 that it is moved after cooking finishes, its intensity can improve the ability of bearing collision in the moving process.And, then can provide the lighter cooker of weight of cooker body 1 if use aluminium.
The shape that coil holder 8 hides with the bottom that is made for such as hear resistance synthetic resin such as nylon interior pot 3, and the upper end combines with the bottom of the madial wall 32c of last shell 32, below a side be equipped with load coil 4.
And, front one upper lateral part of shell 32 is provided with the guidance panel 9 with the switches such as switch and initialize switch of cooking on body housing 31, the insulation that is made of the wire heater is installed with trunk heater 34 in outer surface one side of the madial wall 32c of last shell 32.In addition, power line winding roll 10 vertically is provided with to lower casing 33 from the last shell 32 of cooker body 1 interior rear side.
The 2nd, can be installed in to free folding the lid that hides its upper opening portion on the cooker body 1 by the 1a of hinge portion, the 35th, the cover housing that constitutes by the 1st upper plate the 36, the 2nd upper plate 37, installation component 38 and lower plate 39.
As the 1st upper plate 36, by face as shown in Figure 3 is to have the matrix material 52 resin bed 51, that constitute with the such nonmagnetic material of for example austenitic stainless steel 304 materials that the synthetic resin with for example non-colorings such as fluororesin, acrylic resin or mylar (transparent) applies on the outer surface to be constituted, approximate centre position detachable the steam discharging device 17 with steam orifice 17a is installed, the bottom surface is provided with the recess 36b with installing hole 36a and is the plane and is roughly annular formation, thereby has formed upper surface one side of lid 2.
As the 2nd upper plate 37, be the plane and be roughly annular with synthetic resin such as for example PP and form, one-body molded and form upper surface one side of lid 2 with the outer peripheral edges portion of the 1st upper plate 36.37a is a plurality of hooking sheets that are formed at the outer peripheral edges portion inboard of the 2nd upper plate 37, and 37b is the protuberance that is formed at the inner peripheral portion inboard of the 2nd upper plate 37.
The 40th, with metal material constitute, with installation component 38 corresponding positions on have open pore 40a, above be provided with the 1st heat sink of the lid heater 20 that constitutes by the wire heater that is incubated and prevents dewfall, its external application edge portion is subjected to the support of lower plate 39.The 41st, with metal material constitute, with the corresponding position of open pore 40a of the 1st heat sink 40 on have the inner cap of steam hole 41a, with its outer peripheral edges portion detachable be installed in and hide the 1st heat sink 40 on the lower plate 39.In addition, flange 3a with interior pot 3 is installed in the outer peripheral edges portion of inner cap 41 presses and touch and pot 3 inner bubble-tight lid sealing rings 22 maintenance in, the sealing gasket 42 in the inflow lids 2 such as preventing steam is installed in the inner peripheral portion of the peristome 40a of installation component 38 and the 1st heat sink 40.
Steam discharging device 17 is section with synthetic resin such as for example PP and is roughly the formation of L font, its underpart in sealing gasket 42 is installed in the open pore 40a of installing hole 36a, installation component 38 and the 1st heat sink 40 of the recess 36b of the 1st upper plate 36, thereby top is housed in the recess 36b.In addition, being provided with as shown in Figure 3 a face on top one side that is provided with steam orifice 17a is to have the outer cover component 43 that matrix material 52 resin bed 51, that constitute with the such nonmagnetic material of for example austenitic stainless steel 304 materials that the synthetic resin with for example non-colorings (transparent) such as fluororesin, acrylic resin or mylar applies is constituted on the outer surface.
Like this, when seething with excitement in the process of cooking, thin rice gruel that steam discharging device 17 produces voltage rise height in the interior pot 3 and steam are by importing through the steam hole 41a of inner cap 41 and the importing tube 17b of interior pot 3 internal communication, the two separates with thin rice gruel and steam through a plurality of barrier 17c in the way, steam is discharged to the outside of lid 2 from steam orifice 17a, and deposit the thin rice gruel that stays in slot part 17d, when boiling is eliminated, the internal drop of interior pot 3 makes thin rice gruel through return valve 176 returns in pots 3 when low, thereby prevent that its spray from letting out.
When on the matrix material 52 of the lateral wall 32a that constitutes cooker body 1 etc., applying synthetic resin, all can before or after lateral wall 32a etc. is carried out pressure processing, carry out, also can not apply.
The form of implementation 1 of Gou Chenging at first, is put into cooker body 1 (the madial wall 32c of the last shell 32 of body housing 31 and the inboard of coil holder 8) and is covered lid 2 with the interior pot 3 of water being placed with both quantitative rice when cooking like this.At this moment, top tight contact of the bottom surface of interior pot 3 and interior pot temperature sensor 11.Secondly, when connection cooker power supply, when pressing the button of cooking (not shown) on the guidance panel 9 that is located at cooker body 1 a positive side, be located at cooker body 1 interior control part 14 and make load coil 4 energisings and produce eddy current in the bottom surface of interior pot 3, interior pot 3 generates heat and begins the process of cooking.In the process of cooking, the temperature of pot 3 detects in 11 pairs of the interior pot temperature sensors, and control part 14 is according to the energising of this detected temperatures control load coil, implements preheating, cooks, each process such as smoldering, and the rice in the interior pot 3 is boiled ripe meal.
And the thin rice gruel that produces during the water boiling of pot in 3 in the process of cooking with separate in steam is sent to steam discharging device 17, only steam is discharged to the outside of lid 2 from steam orifice 17a, the thin rice gruel that stays is eliminated in boiling, return from return valve 17e when the internal drop in the interior pot 3 is low in pots 3.
And, accept the heat of the steam of discharging and become near the recess 36a of the 1st upper plate 36 of the steam discharging device 17 of high temperature, by with the 2nd heat sink 45 distribute heats that contact below of its bottom surface, this heat distributes to the outside through the outer peripheral sidewall 45a of the 2nd heat sink 45 and the 2nd upper plate 37.In addition, the fin 44 of the outer peripheral edges portion inboard by abutting in the 1st upper plate 36 distributes the heat of the 1st upper plate 36, prevents the 1st upper plate 36, particularly recess 36b hot-spot.
Afterwards, when the process of cooking finishes, change insulating process over to by control part 14, the rice in the internal pot 3 of the lid heater 20 and 34 evolutions of heat of trunk heater is incubated.
As mentioned above, the 1st upper plate 36 of the lateral wall 32a of the last shell 32 of the body housing 31 of cooker body 1 and the cover housing 35 of lid 2, by having as shown in Figure 3 with for example fluororesin, the resin bed 51 that synthetic resin such as acrylic resin or mylar applies, the matrix material 52 that constitutes with the such nonmagnetic material of for example austenitic stainless steel 304 materials is constituted, be provided with the outer cover component 43 that constitutes with the identical materials such as lateral wall 32a of last shell 32 above one side of steam discharging device 17 tops, such cooker, for example be placed on when still not using in no matter being to use and wait the occasion of locating near the gas range, fly at airborne oil smoke and be not easy lateral wall 32a attached to last shell 32, on the outer cover component 34 of the 1st top 36 and steam discharging device 17, even also can not clean up when adhering to by simple operations such as wet cloth wipings with not adding damage.In addition, can prevent dust in the absorbed air owing to be not easy to produce static, and fingerprint etc. is not easy also to adhere to, therefore, can obtains to be difficult for dirty cooker.
In addition, though it is same with prior art, heating-up temperature can be applied on the lid 2 when cooking, but, can alleviate the warpage of lid 2 own by the 1st upper plate 36 that matrix material 52 was constituted that constitutes with the such nonmagnetic material of for example austenitic stainless steel 304 materials and the 2nd upper plate 37 one-body molded cover housings that form 35 that constitute with synthetic resin such as for example PP.
In addition, owing to the 1st upper plate 36 and the 2nd upper plate 37 one-body molded cover housings 35 that form, so can save with them articulate screw or bonding agent.
And, steam discharging device 17 be detachable be installed on the lid 2, so be easy to the recess 36b of steam discharging device 17 and the 1st upper plate 36 is cleaned up, simultaneously, the 1st upper plate 36 and the 2nd upper plate 37 are one-body molded, so no gaping of joints, therefore, can provide not exist dust to enter the problem of seam and the good cooker of clanability.
In addition, the lateral wall 32a of the last shell 32 of nonmagnetic material formation plays the effect that prevents from the anti-magnetic sheet of load coil 4 outside leakage fields.
In addition, lateral wall 32a constitutes with nonmagnetic material, and therefore, the anti-leakage field that can save the sidepiece that is disposed at existing load coil 4 is with preventing magnetic sheet.Therefore, the space between load coil 4 and the lateral wall 32a can be reduced, 1 miniaturization of cooker body can be made.
Form of implementation 2
Fig. 4 is the longitudinal sectional view of the invention process form 2.Form of implementation 2 is in the body housing 31 of the related cooker of form of implementation 1, to constitute the lateral wall 32a of the side that nonmagnetic material makes and the base plate 33a of the bottom surface that synthetic resin such as configuration example such as PP are made, be integrally formed with the such nonmagnetic material of for example austenitic stainless steel 304 materials and shell 32A that become parts substitutes and forms with lateral wall and two parts of base plate.
According to such structure, can obtain function and the effect roughly the same with form of implementation 1, by adopting, the situation from the bottom surface of cooker body 1 leakage field is further improved, and can reduces amount of parts by the integrated shell 32A of nonmagnetic material.
Form of implementation 3
Fig. 5 is the longitudinal sectional view of the invention process form 3, this form of implementation 3 is in the cover housing 35 of the lid 2 of the related cooker of form of implementation 1, the 2nd upper plate 37 that makes form of implementation 1 be connected with shape and the 1st upper plate 36 corresponding linking part 37B with installation component 38 and one-body molded be the 2nd upper plate 37A, and following the covering with linking part 37B of the 1st upper plate 36 forms.
According to such structure, not only can obtain function and the effect roughly the same with form of implementation 1, and by adopting the 2nd upper plate 37A, can obtain to be lost to the function of lid 2 outsides, the heat insulation effect of rice in the pot 3 in can improving as the radiations heat energy that baffle plate prevents to be located at the top lid heater 20 of the 1st heat sink 40.
Form of implementation 4
Form of implementation 4 is in the outer cover component 43 of the 1st upper plate 36 of cover housing 35 of lateral wall 32a, lid 2 of shell 32 on the cooker body 1 of the related cooker of form of implementation 1 and steam discharging device 17, what adopt is, before carrying out, on a face, for example be formed with matrix material 52 with the formed resin bed 51 of synthetic resin of non-colorings (transparent) such as fluororesin, acrylic resin or mylar by methods such as coatings such as processing and forming such as pressure processing.
According to such structure, not only can obtain function and the effect roughly the same with form of implementation 1, and for applying the matrix material 52 that forms resin bed 51 before the machine-shaping, can be with homogeneous thickness coated with resins layer 51 roughly, so moulding can be reduced the time and the friction of mould, can obtain to avoid impaired and the cooker that pressure processing is good of resin bed 51.
Form of implementation 5
Form of implementation 5 is matrix materials 52 that nonmagnetic material outer cover component 43, that have resin bed 51 on face that will constitute the 1st upper plate 36 of cover housing 35 of lateral wall 32a, lid 2 of last shell 32 of cooker body 1 of the related cooker of form of implementation 1 and steam discharging device 17 constitutes, and replaces the matrix material that has stainless steel resin bed 51, cupric 1.3%～4.0% (nonmagnetic material) formation on the face and forms.If copper contain quantity not sufficient 1.3%, then can not obtain the antibacterial effect that copper has, and surpass 4.0%, the rust-preventing characteristic that stainless steel is had reduces.Therefore, the content of copper is advisable with 1.3%～4.0%.
According to such structure, not only can obtain function and the effect roughly the same with form of implementation 1, and owing to use and contain the matrix material of copper, so can utilize copper to obtain antibacterial effect, the health on the surface of maintenance cooker body 1 and lid 2.
Form of implementation 6
Form of implementation 6 is in the lid 2 of the related cooker of form of implementation 1, the lid heater 20 that the wire heater that adopts resistance wire is constituted, replace the lid heater that constitutes by load coil, and, the 1st heat sink 40 constitutes to have synthetic resin such as stable on heating nylon, and inner cap 41 constitutes with for example Fei Laite stainless steel 430 materials with magnetic.In addition, same with form of implementation 1, the 1st upper plate 36 that constitutes cover housing 35 constitutes with the such nonmagnetic material of for example austenitic stainless steel 304 materials.
According to such structure, not only can obtain function and the effect roughly the same with form of implementation 1, and the 1st upper plate 36 of the cover case 35 that is constituted by the matrix material 52 that adopts the nonmagnetic material that has resin bed 51 on the face to constitute, the outside leakage field of lid heater that constitutes by load coil of lid 2 can be prevented, the cooker of anti-magnetic sheet etc. can be obtained to reset.
Form of implementation 7
Fig. 6 is the fragmentary sectional elevation view of the related cooker of the invention process form 7, and Fig. 7 is the enlarged drawing of its major part, and Fig. 8 is the longitudinal sectional view of its lid.
The 44th, constitute with the good flaky metallic material of the such thermal conductivity of for example aluminium foil, near the protuberance 37b of the 2nd upper plate 37 of the outer peripheral edges portion inboard of the 1st upper plate 36, be the plane and be roughly the fin of annular with what bonding agent was pasted, can distribute the heat of the 1st upper plate 36.The 45th, the 2nd heat sink that constitutes by the good lamellar metal material of the such thermal conductivity of for example aluminium, be provided with peristome 45b accordingly in the bottom of steam discharging device 17 side, as shown in Figure 4 and Figure 5, the outer peripheral sidewall 45a of the 2nd heat sink 45 is entrenched on the hooking sheet 37a of the 2nd upper plate 37 and the protuberance 37b internal face between the two, and approximately the part at center is in contact with it along the lower surface that is located at the recess 36b bottom surface on the 1st upper plate 36.The inner peripheral portion of the peristome 45b of the 2nd heat sink 45 contacts with the outer peripheral face of the member 38 of installation.Outer peripheral sidewall 45a also can set (contact) along the internal face of the 2nd upper plate 37.
As mentioned above, as the cover housing 35 that constitutes lid 2, fin 44 sticks on the outer peripheral edges portion inboard of the 1st upper plate 36, and the 2nd heat sink 45 is entrenched on the internal face of the 2nd upper plate 37 and contact with the lower surface of the recess 36b bottom surface of the 1st upper plate 36, therefore, the steams that produced in the pot 3 in cooking in the process are distributed because of heat that steam becomes near the recess 36b of the 1st upper plate 36 of the cover housing 35 of high temperature, particularly steam discharging device 17 when discharge the outside.Thus, can prevent recess 36b hot-spot, prevent cover housing 35 distortion and damaged.
In above-mentioned form of implementation, the induction heating type cooker of pot 3 in just heating by load coil 4, enumerate enforcement example of the present invention and be illustrated, but also can be to substitute cooker enforcement the present invention of pot in load coil 4 heating with heater (western young heater).Also can obtain same effect under this occasion.
Claims (3)
1. a cooker comprises body, hides the lid with steam discharge portion of this upper part of body peristome, is contained in above-mentioned intrinsic interior pot removably and heats this heating arrangements of interior pot, it is characterized in that,
Be provided with on the above-mentioned lid and constituting near the above-mentioned steam discharge portion of upper plate of this lid and the inboard contacted heat sink of outer peripheral edges portion, above-mentioned upper plate has: the 1st upper plate with above-mentioned steam discharge portion that metal material constitutes, and by synthetic resin constitute, integrated in the outer peripheral edges portion of above-mentioned the 1st upper plate, be the plane and be roughly the annular the 2nd upper plate
Above-mentioned heat sink contacts with near the steam discharge portion of above-mentioned the 1st upper plate internal face and the 2nd upper plate.
2. cooker, comprise body, hide the lid with steam discharge portion of this upper part of body peristome, be contained in above-mentioned intrinsic interior pot removably, and the heating arrangements that heats pot in this, it is characterized in that, be provided with on the above-mentioned lid and constituting near the above-mentioned steam discharge portion of upper plate of this lid and the inboard contacted heat sink of outer peripheral edges portion, above-mentioned upper plate has: constitute with metal material, has recess that the steam discharging device with steam orifice can be installed freely removably at the approximate centre position, be the plane and be roughly the 1st annular upper plate, and constitute by synthetic resin, outer peripheral edges portion at above-mentioned the 1st upper plate is integrated, be the plane and be roughly the 2nd annular upper plate
Contact below the recess of above-mentioned heat sink and above-mentioned the 1st upper plate, and contact with the internal face of above-mentioned the 2nd upper plate.
3. cooker as claimed in claim 1 or 2 is characterized in that, is provided with the fin that is the plane and is roughly annular on the outer peripheral edges portion inboard of above-mentioned the 1st upper plate.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19842299A JP3538749B2 (en) | 1999-07-13 | 1999-07-13 | rice cooker |
| JP198422/1999 | 1999-07-13 | ||
| JP198422/99 | 1999-07-13 | ||
| JP230274/1999 | 1999-08-17 | ||
| JP23027499A JP3538751B2 (en) | 1999-08-17 | 1999-08-17 | rice cooker |
| JP230274/99 | 1999-08-17 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001070819A Division CN1191780C (en) | 1999-07-13 | 2000-04-28 | Rice cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1606948A CN1606948A (en) | 2005-04-20 |
| CN1255070C true CN1255070C (en) | 2006-05-10 |
Family
ID=26510968
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001070819A Expired - Fee Related CN1191780C (en) | 1999-07-13 | 2000-04-28 | Rice cooker |
| CNB2004100789339A Expired - Fee Related CN1255070C (en) | 1999-07-13 | 2000-04-28 | Rice cooker |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001070819A Expired - Fee Related CN1191780C (en) | 1999-07-13 | 2000-04-28 | Rice cooker |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR100385362B1 (en) |
| CN (2) | CN1191780C (en) |
| TW (1) | TW502601U (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4022883B2 (en) * | 2003-05-06 | 2007-12-19 | 三菱電機株式会社 | Induction heating cooker |
| CN102008225B (en) * | 2006-03-15 | 2013-12-25 | 虎牌热水瓶株式会社 | Electric rice cooker |
| JP2007244558A (en) * | 2006-03-15 | 2007-09-27 | Tiger Vacuum Bottle Co Ltd | Electric rice cooker |
| JP5025154B2 (en) * | 2006-03-30 | 2012-09-12 | タイガー魔法瓶株式会社 | Electric rice cooker |
| CN102613878B (en) * | 2012-03-29 | 2015-04-29 | 九阳股份有限公司 | Electromagnetic heating kettle with high electromagnetic compatibility |
| WO2017145414A1 (en) * | 2016-02-24 | 2017-08-31 | 三菱電機株式会社 | Rice cooker |
| JP6523993B2 (en) * | 2016-02-29 | 2019-06-05 | 三菱電機株式会社 | rice cooker |
| CN107898327B (en) * | 2017-09-05 | 2020-04-17 | 浙江苏泊尔家电制造有限公司 | Cooking utensil |
| CN108577501A (en) * | 2018-06-07 | 2018-09-28 | 中山市掌声电器有限公司 | A kind of intelligence is cooked a meal meal device and its application method |
| KR102399986B1 (en) | 2020-10-30 | 2022-05-19 | 린나이코리아 주식회사 | Multi-stage cooker including foreign matter removal unit |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6428221U (en) * | 1987-08-10 | 1989-02-20 | ||
| JPH0194808A (en) * | 1987-10-07 | 1989-04-13 | Sanyo Electric Co Ltd | Rice cooker |
| JPH0810136A (en) * | 1994-07-01 | 1996-01-16 | Mitsubishi Electric Corp | Rice-cooker |
| KR20000007213A (en) * | 1998-07-01 | 2000-02-07 | 구자홍 | Lid structure of electric pressure rice cooker |
-
2000
- 2000-01-31 TW TW089220263U patent/TW502601U/en not_active IP Right Cessation
- 2000-04-04 KR KR10-2000-0017498A patent/KR100385362B1/en not_active IP Right Cessation
- 2000-04-28 CN CNB001070819A patent/CN1191780C/en not_active Expired - Fee Related
- 2000-04-28 CN CNB2004100789339A patent/CN1255070C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR100385362B1 (en) | 2003-05-27 |
| CN1606948A (en) | 2005-04-20 |
| CN1191780C (en) | 2005-03-09 |
| KR20010020708A (en) | 2001-03-15 |
| TW502601U (en) | 2002-09-11 |
| CN1279926A (en) | 2001-01-17 |
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| SE01 | Entry into force of request for substantive examination | ||
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Granted publication date: 20060510 Termination date: 20100428 |