CN208957636U - Cooking pot - Google Patents

Cooking pot Download PDF

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Publication number
CN208957636U
CN208957636U CN201821217955.2U CN201821217955U CN208957636U CN 208957636 U CN208957636 U CN 208957636U CN 201821217955 U CN201821217955 U CN 201821217955U CN 208957636 U CN208957636 U CN 208957636U
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China
Prior art keywords
pot
coil
holding part
outside
cooking
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CN201821217955.2U
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Chinese (zh)
Inventor
德冈卓真
船越哲朗
山下大贵
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Zojirushi Corp
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Zojirushi Corp
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Abstract

The project of the utility model is to inhibit heating uneven in the cooking pot of the IH mode of multi-thread ring.Electric cooker (1) has pot (10) and 3 coils (150), the pot (10) is in band round-ended cylinder shape, with pot bottom (10a), pot side (10b) and the bending section (10c) for connecting them, 3 coils (150) are configured at at least pot bottom (10a) of pot (10) and the outside of bending section (10c).There is elliptical shape when coil (150) is overlooked, and be configured as: elliptical long axis along pot (10) circumferential direction, and the center of coil (150) than pot side (10b) closer to pot bottom (10a).

Description

Cooking pot
Technical field
The utility model relates to a kind of cooking pots.
Background technique
The electric cooker of induction heating (IH) mode is able to suppress heating unevenly, realizes uniform cooked.
Patent document 1,2 discloses the IH electric cooker for having multiple coils for induction heating, i.e., the IH of multi-thread ring Electric cooker.In this electric cooker, in the region configured with each coil to pot progress local heating the result is that being produced in pot Raw local convection.The stirring that the rice in pot is promoted due to these local convections can be realized more uniform be cooked.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 5-317172 bulletin
Patent document 2: Japanese Unexamined Patent Publication 5-253058 bulletin
Utility model content
Utility model project to be solved
In the electric cooker of the IH mode of multi-thread ring, according to the shapes or configure of coil, heating method can occur big Variation.But in the electric cooker of the multi-thread ring in patent document 1,2, the shapes or configure of coil are not ground in detail Study carefully, is worth improved place to inhibit the non-uniform viewpoint of heating to have in the shapes or configure of coil.
The project of the utility model is to inhibit heating uneven in the cooking pot of the IH type of multi-thread ring.
A technical solution to solve project
The utility model provides a kind of cooking pot, and for the cooking apparatus for pot and multiple coils, the pot is in band round-ended cylinder shape, With pot bottom, pot side and bending section, the bending section connects the pot bottom and the pot side, and the multiple coil is matched It is placed in at least described pot bottom and the outside of the bending section of the pot, with elliptical shape when the coil is overlooked, and by Be configured that the elliptical long axis along the circumferential direction of the pot, and the center of the coil than the pot side closer to institute State pot bottom.
According to this structure, since multiple coils are configured at at least pot bottom of pot and the outside of bending section, coil are Stereoscopic configurations, rather than planar configuration.In this way, being able to suppress heating unevenly by carrying out three-dimensional heating.In addition, due to line The center for being configured to coil is enclosed than pot side closer to pot bottom, therefore relatively large heating can be carried out to pot bottom.It is special It is not in electric cooker or boil in the cooking pot for stewing culinary art, by carrying out the big heating of degree to pot bottom, can be produced in pot The convection current of raw up and down direction.As a result, it is possible to mix cooked object well, so as to inhibit heating uneven.In addition, institute " the band round-ended cylinder shape " of meaning pot is not limited in proper cylinder, is also contained in the acclive such circular cone in pot side The shape of shape.In addition, pot bottom, pot side and bending section are the part divided by curvature, each section is not limited to flat.And And bending section can be the corner in portion R (leg portion) of connection pot bottom and pot side etc..
The coil extends to the outside of the pot side of the pot.
According to this structure, since multiple coils are configured at pot bottom, bending section and the outside of pot side of pot, pass through It carries out more three-dimensional heating and is able to suppress heating unevenly.
The width of the elliptical short-axis direction can be 92mm or more and 110mm or less.
According to this structure, when providing the area of coil as described above, the bound of the width due to defining short-axis direction, Therefore the shape of coil can specifically be designed.The inventors of the utility model confirm in an experiment, in particular, short-axis direction Width in above range, boiled in electric cooker or carry out in the cooking pot for stewing culinary art, convection current generated in pot, so as to fine Ground mixes cooked object.
Gap can be equipped between the adjacent coil.
According to this structure, not thermally conductive between coil since coil does not contact each other.It as a result, can by each coil Heat each section.In addition, being capable of fixing the induction heating amount from each coil since coil does not overlap each other.In other words, The part that coil overlaps each other if it exists, then the distance in the part of overlapping to pot is different according to coil, induction heating amount It is possible that being not fixed, but the structure can prevent this problem.
The gap can be 10mm or more and 50mm or less.
According to this structure, the gap between coil is 10mm or more, is divided by the gap the region for configuring each coil Area.Each section can be heated by each coil as a result,.In addition, gap between coil be 50mm hereinafter, reduce non-heated region from And it can be uniformly heated up.
The cooking pot can be also equipped with a pot holding part, and the pot holding part is in band round-ended cylinder shape, accommodate the pot, and have There are bottom, side and pars convoluta, the bottom is configured at the outside of the pot bottom, and the side is configured at the outer of the pot side Side, the pars convoluta are configured at the outside of the bending section, and connect the bottom and the side, in the institute of the pot holding part Stating pars convoluta can be set coil mounting portion, and the coil mounting portion is in the arc-shaped of the interior shape along the coil.
According to this structure, coil is installed by the pars convoluta in pot holding part, energetically the bending section of pot can be added Heat, therefore can be realized three-dimensional heating.Especially since coil mounting portion is the arc-shaped of the interior shape along coil, because This can be accurately positioned and install coil.In addition, " the band round-ended cylinder shape " of so-called pot holding part is not limited on stricti jurise Cylinder, be also contained in the acclive coniform shape in side.In addition, bottom, side and pars convoluta are to be divided by curvature Part, each section are not limited to flat.Also, pars convoluta can be the corner in the portion R (leg portion) of connection bottom and side etc..
Utility model effect
According to the utility model, in the cooking pot of the IH mode of multi-thread ring, due to being configured to the elliptical shape of coil Long axis along pot circumferential direction, and the center of coil than pot pot side closer to pot bottom, therefore convection current is generated in pot, so as to It is enough to inhibit heating uneven.
Detailed description of the invention
Fig. 1 be the top of the electric cooker involved in the embodiment of the utility model from perspective view.
Fig. 2 is the perspective view from the top of the electric cooker for the state for opening lid.
Fig. 3 is the perspective view from the top of the electric cooker for the state for taking out pot by the state of Fig. 2.
Fig. 4 is the exploded perspective view of electric cooker.
Fig. 5 is the perspective view of pot accommodating part.
Fig. 6 is the exploded perspective view of the internal part of a part of electric cooker main body.
Fig. 7 is the cross-sectional view for indicating the positional relationship of pot, pot holding part and coil.
Fig. 8 is the bottom view for indicating the pot of configuration of coil.
Fig. 9 is the bottom view of the pot holding part for the configuration for indicating coil.
(label declaration)
1 electric cooker (cooking pot)
10 pots
10a pot bottom
10b pots of sides
The bending section 10c
11 upper end openings
20 handles
100 electric cooker main bodys
111,112 side panel
113 front panels
114 main body shells
The opening portion 114a
120 shoulder bodies
121 hinge connection portions
122 connecting holes
125 inner casings
130 pots of accommodating parts
131 pots of holding parts (protecting frame)
The bottom 131a
The side 131b
131c pars convoluta
The protrusion 131d
131e coil mounting portion
132,133 substrate support
134 bracket parts
135 central support portions
136 joint portions
140,141 control base board
142 fans
150,150a, 150b, 150c coil
160,160a, 160b, 160c ferrite retainer
161 base portions
162 extensions
163 through holes
164 protrusion supporting members
165 FERRITE COREs
166 fuse holding parts
167 temperature fuses
170,170a, 170b, 170c reflecting plate
171 bottom plates
172 side plates
173 continuous portions
The opening portion 173a
173b stage portion
173c fastened by screw portion
173d screw hole
200 lids
210 operation portions
211 operation buttons
212 open button
220 display units
230 steam outlets
240 inner covers
241 seal members
250 lock pawls
Specific embodiment
In the following, being illustrated referring to attached drawing to the embodiments of the present invention.
Fig. 1 be the top of the electric cooker (cooking pot) 1 involved in the embodiments of the present invention from perspective view. Fig. 2 is the perspective view from the top of the electric cooker 1 for the state for opening lid 200.Fig. 3 is to take out pot from by the state of Fig. 2 The perspective view of the top observation of the electric cooker 1 of 10 state.
Referring to Fig.1~3, electric cooker 1 has electric cooker main body 100 and lid 200, and the electric cooker main body 100 is removable Ground accommodates pot 10, and the pot 10 is in band bottom tube-like and is used to heat rice, and the lid 200 is configured to relative to electric cooker main body 100 can be rotated.
Pot 10 is with disk-shaped pot bottom 10a, cylindric pot side 10b and the bending section 10c for connecting them.In detail For, pot bottom 10a has the circular shape generally flatly extended in left and right directions.Pot side 10b has in above-below direction And outwardly extending substantially cylindrical shape.Bending section 10c has the radial outer end of connection bottom 10a and the lower end of pot side 10b Curve form.
Lid 200 is rotatably installed on the hinge connection portion 121 of electric cooker main body 100, for electric cooker main body 100 When closing, the opening portion of electric cooker main body 100 is closed.Lid 200 has operation portion 210 and display unit 220, institute in its front side Operation portion 210 is stated for operating electric cooker 1, the 220 display operation situation of display unit or running-active status, lid 200 is behind Square side has steam outlet 230, and the steam outlet 230 is the outlet of exhaust channel.Operation portion 210 has multiple operations Button 211 and opening button 212.Operation button 211 is the button for switching the action state of electric cooker 1, for example, starting to boil The button of meal, the button of cancellation movement and power knob etc..Opening button 212 is the button for being used to open lid 200, the lid Body 200 remains off state by locking mechanism.
The handle 20 of U-shaped is installed in the side of electric cooker main body 100.Handle 20 is rotated by fulcrum of mounting portion.
As shown in Figure 2,3, inner cover 240 is installed in the inside of lid 200, the inner cover 240 is closed in the closed state The upper end opening 11 of pot 10.Inner cover 240 has seal member 241, and the seal member 241 is interior with the upper end opening 11 of pot 10 Circumference is in close contact and closed upper end opening 11.Inner cover 240 is installed as removable relative to lid 200.
Fig. 4 is the exploded perspective view of electric cooker 1.
Electric cooker main body 100 is used as shell, has opposite two panels side panel 111,112, front panel 113 and main body Shell 114, the side panel 111,112 are configured at side, and the front panel 113 is configured at front, the main body shell 114 is box-like, have opening portion 114a in upper end.Side panel 111,112 and front panel 113 are respectively arranged in main body shell 114 two sides and front.
Shoulder body 120 is installed from top in a manner of covering opening portion 114a in main body shell 114.After shoulder body 120 Square side is provided with hinge connection portion 121, and the hinge connection portion 121 is for rotationally assembling lid 200.In shoulder body 120 Front side is provided with connecting hole 122 (referring to Fig. 3), the lock pawl 250 of the connecting hole 122 and the front for being set to lid 200 (referring to Fig. 3) engaging.It is configured with inner casing 125 and pot accommodating part 130 in the lower section of shoulder body 120, the inner casing 125 accommodates pot 10.Inner casing 125 is cylindrical shape, is made of metal material, which has than 10 slightly larger diameter of pot.
Fig. 5 is the perspective view of pot accommodating part 130.
Pot accommodating part 130 has pot holding part 131 and substrate support 132,133, and the pot holding part 131 is in band bottom Cylindrical shape accommodates pot 10, the substrate support 132,133 support and control substrates 140,141.Pot accommodating part 130 is (more straight It is connected in a pot holding part 131) it is also referred to as protecting frame, it is made of non-conductive material (for example, synthetic resin material).
Together referring to Fig. 4,5, the tool band of pot holding part 131 bottom 131a, side 131b and pars convoluta, the bottom 131a are circle Plate is configured at the outside of pot bottom 10a, and the side 131b is cylindrical shape, is configured at a pot outside of side 10b, the song Portion is configured at the outside of bending section 10c, and connects bottom 131a and side 131b.Specifically, bottom 131a has in left and right The circular shape that direction generally flatly extends.Side 131b has in above-below direction and outwardly extending substantially cylindrical shape. Pars convoluta 131c has the curve form of connection bottom 131a and side 131b.Pars convoluta 131c is provided with screw hole, and is provided with In the columned protrusion 131d that vertical direction extends.
Substrate support 132,133 is respectively arranged at the front side and rear side of pot holding part 131.It is placed in substrate support The control base board 140,141 in portion 132,133 controls the induction heating etc. described below.In particular, control base board 141 is by adjacent The fan 142 (referring to Fig. 4) of configuration is cooled down.
The upside peripheral part of pot accommodating part 130 is provided with multiple bracket parts 134.Bracket part 134 is used for shoulder body 120 Carry out fastened by screw.The bottom surface center of pot accommodating part 130 is provided with central support portion 135 (being explicitly illustrated in Fig. 6).Center Support portion 135 forms substantially cylindric and protrudes downwards, abut with the bottom plate of opposite main body shell 114 and prop up it Support.
Fig. 6 is the exploded perspective view of the internal part of a part of electric cooker main body 100.Fig. 6 is for about Fig. 1~5 It is indicated on the contrary.In this way, if electric cooker main body 100 viewed from above, pot accommodating part 130, coil 150a~150c, Ferrite retainer 160a~160c and reflecting plate 170a~170c is configured to be overlapped with this sequence.Fig. 6 indicates 3 groups of coil 150a ~150c and ferrite retainer 160a~160c, reflecting plate 170a~170c, but exploded representation wherein 1 group of coil 150a and iron Oxysome retainer 160a, reflecting plate 170a.Later, it is not necessary that when distinguishing them, be only referred to as coil 150 and ferrite is protected Hold frame 160, reflecting plate 170.In addition, Fig. 4,6 are in order to simply clearly be illustrated, it is schematically indicated the shape of coil 150. In fact, coil 150 be multiple windings be entwined it is spiral-shaped.
It is configured with coil 150 in the outer peripheral surface of pot holding part 131, the coil 150 is (detailed for elliptical shape when looking down For the annulus shape of oval in outline shape).In the present embodiment, outer peripheral surface of 3 coil 150a~150c along pot holding part 131 It is configured at equal intervals circumferentially.Coil 150 generates electromagnetic wave by being passed through high-frequency current, thus via 130 pairs of pots of pot accommodating part 10 carry out induction heating.
Ferrite retainer 160, the ferrite retainer 160 are configured in the underface (top of Fig. 6) of coil 150 FERRITE CORE 165 is accommodated, the FERRITE CORE 165 is for restraining the magnetic flux from coil 150.
Together referring to Fig. 5,6, ferrite retainer 160 has base portion 161 and 4 extension 162, the extension 162 It is stretched out from base portion with radial 161.That is, the substantially cross when looking down of ferrite retainer 160.Specifically, 4 stretchings 3 bottom 131a along pot holding part 131 in portion 162 are configured, and remaining 1 configures along side 131b.Two extensions 162 Along the circumferentially extending of pot holding part 131, it is configured to the elliptical length-diameter part of pressing coil 150.Two extensions 162 are along pot Holding part 131 radially extends, and is configured to the narrow section of pressing coil 150.In particular, along the bottom 131a of pot holding part 131 The extension 162 of configuration is engaged with the joint portion 136 on the top of pot accommodating part 130.4 extensions 162 are respectively provided with slit Shape is equipped with FERRITE CORE 165 in the slit.Base portion 161 is provided with protrusion supporting member 164, is supported in the protrusion Part 164 is formed with the through hole 163 of fastened by screw.Ferrite retainer 160 is provided with fuse holding part 166, it is described Fuse holding part 166 is adjacent with extension 162 and extends in same direction, and the extension 162 is along pot holding part 131 bottom 131a extends.Fuse holding part 166 has concave shape, is equipped in fuse holding part 166 columned Temperature fuse 167.In addition, temperature fuse 167 is removed from fuse holding part 166 in Fig. 6.
It is configured with reflecting plate 170 in the underface (top of Fig. 6) of ferrite retainer 160, the reflecting plate 170 is used for Inhibit to bring adverse effect to peripheral equipment by the high frequency magnetic field that coil 150 generates.Reflecting plate 170 is formed as to 1 piece of metal plate Carry out integral structure obtained from bending machining.The material of reflecting plate 170 is that resistance value is less than copper or aluminium of pot 10 etc..
Reflecting plate 170 has bottom plate 171, side plate 172 and continuous portion 173, the bottom of the bottom plate 171 and pot holding part 131 Portion 131a relative configuration, the side plate 172 and side 131b are oppositely disposed, and the continuous portion 173 connects the bottom plate 171 and institute State side plate 172.Bottom plate 171 and side plate 172 are each substantially the plate of half-oval shaped.The elliptical curvature with it is corresponding The elliptical curvature of coil 150 is roughly the same.The center in continuous portion 173 is provided with opening portion 173a, the opening portion 173a is shape corresponding with the interior shape of coil 150.Opening portion 173a passes through bottom plate 171 and side plate 172 and is formed, at it Center is provided with fastened by screw portion 173c.Therefore, opening portion 173a has two openings separated by fastened by screw portion 173c.Spiral shell Silk fastening part 173c is the part that bottom plate 171 reaches continuous portion 173.The spiral shell of fastened by screw is equipped in fastened by screw portion 173c Wire hole 173d.In addition, being set in a manner of clamping opening portion 173a in continuous portion 173, there are two stage portion 173b.Stage portion 173b Be formed as in assembling close to coil 150, that is, have towards the step shape outstanding of coil 150.
In the state of assembling electric cooker main body 100, by between ferrite retainer 160 and pot holding part 131 Coil 150 is clamped, the position of coil 150 is fixed.In the present embodiment, it is supported in the protrusion of ferrite retainer 160 In the state that part 164 accommodates the protrusion 131d of pot holding part 131, the screw hole 173d and iron oxygen of protrusion 131d, reflecting plate 170 The through hole 163 of body retainer 160 is fastened together, to respectively obtain fixation.
Fig. 7 is the cross-sectional view for indicating the positional relationship of pot 10, pot holding part 131 and coil 150.
Coil 150 is configured at the outside of the pot bottom 10a of pot 10, pot side 10b and bending section 10c.In addition, coil 150 It is abutted with the outer surface of the bottom 131a of pot holding part 131, side 131b and pars convoluta 131c.From the sight for promoting convection current when cooking Point, 150 preferred disposition of coil is in the outside of at least pot bottom 10a and bending section 10c, that is, is preferably connected at least pot holding part 131 bottom 131a and pars convoluta 131c.
From the central axis L of pot 10 towards radial outside, it is defined into the distance d1 at the center of coil 150, to bending section 10c's The distance d2 in center.At this point, distance d1 ratio distance d2 is small.That is, coil 150 is configured to the center of coil 150 more than pot side 10b Close to pot bottom 10a.The pot bottom 10a of 150 pairs of pots 10 of coil carries out relatively large heating as a result,.
Fig. 8 is the bottom view of the pot 10 for the configuration for indicating coil 150.Fig. 8 in order to indicate coil 150 and pot 10 position close System sandwiches pot accommodating part 130 without illustrating the accommodating part 130 that takes the dish out of the pot between coil 150 and pot 10 as shown in Figure 7 originally. Coil 150 is configured to circumferential direction of the elliptical long axis along pot 10 of coil 150.
In the present embodiment, the width (minor axis w1) of the short-axis direction of coil 150 is, for example, 97mm, the width of long axis direction Spending (major diameter w2) is, for example, 120mm.The elliptical shape of coil 150 is not limited to the numerical value, but preferably, short axle side as follows To width be 92mm or more and 110mm or less.
In the configuration of coil 150a~150c shown in Fig. 8, each coil 150a~150c phase is not in contact with each other, and separates gap D is configured.Preferably, which is 10mm or more and 50mm or less.In the present embodiment, which is, for example, 26mm。
The inventors of the utility model are confirmed in an experiment by the way that the width of the short-axis direction of coil 150 to be defined as The delicious ingredient of 92mm or more and the 110mm hereinafter referred to as rice of Brix value becomes larger.In an experiment, capacity and 10 is closed using 5.5 The electric cooker for closing two kinds of capacity of capacity only changes the short axle side of coil 150 under the configuration of the coil 150 of present embodiment To width, Brix value is measured.In the change of the width of short-axis direction, make the pot 10 configured with coil 150 In the state that radial innermost point is consistent, tested with the condition for increasing coil 150 to radial outside.In an experiment, coil 150 baseline number is set as 45, and the number of turns is set as 23 circles.In addition, carrying out other experiments, the baseline number of coil 150 is set as 25, circle Number is set as 24 circles, but without finding big variation, also confirms that the element big as influent factor is the face of coil 150 simultaneously Product.In addition, the interior shape of coil 150 is set as minor axis 34mm, major diameter 62mm.Experimental result is as shown in following table 1,2.
(table 1)
5.5 close capacity Sample 1 Sample 2 Sample 3 Sample 4 Sample 5
Short-axis direction width 87mm 92mm 97mm 102mm 107mm
Brix value 1.36 1.46 1.46 1.48 1.34
(table 2)
10 close capacity Sample 1 Sample 2 Sample 3 Sample 4 Sample 5
Short-axis direction width 95mm 100mm 105mm 110mm 115mm
Brix value 1.46 1.62 1.60 1.60 1.46
Referring to table 1, the width of the short-axis direction of coil 150 is 92~102mm, can obtain good Brix value.Reference The width of table 2, the short-axis direction of coil 150 is 100~110mm, can obtain good Brix value.Therefore, coil 150 is short The width of axis direction is preferably 92~110mm, more preferably 100~102mm.
Fig. 9 is the bottom view of the pot holding part 131 for the configuration for indicating coil 150.
The pars convoluta 131c of pot holding part 131 is provided with coil mounting portion 131e, along the coil mounting portion 131e is in The arc-shaped of the interior shape of circle 150.In the present embodiment, coil mounting portion 131e being circumferentially with along pot holding part 131 It is multiple, two are respectively provided with for each coil 150a~150c, amounts to 6.Corresponding with each coil 150a~150c every two A coil mounting portion 131e is mutually opposed, the interior end in contact with the long axis direction of each coil 150a~150c.
Coil 150a~150c in order to be powered and control through not shown electric wire be electrically connected in control base board 140, 141 (referring to Fig. 5).In the present embodiment, coil 150a~150c is identical.It, can be to coil via said wires 150a~150c is separately powered.
In the present embodiment, it is controlled in the following manner, that is, as described below in timing appropriate from control base board 140,141 lead to high-frequency current to coil 150.
Referring to Fig. 6, for example, to pot 10 corresponding with coil 150a, (reference is schemed if only leading to high-frequency current to coil 150a 4) the big region of up and down direction (longitudinal direction) of bottom surface sections to side surface part carries out local induction heating.By intensively heating this Heating region, the heating region in pot 10 generate the big convection current of up and down direction.It is obtained by the big convection current of up and down direction To big mixing effect, in cooking, the delicious ingredient (dissolution sugar etc.) that rice is included can be obtained.In addition, in order to collect The heating region is heated middlely, relies on the heating output of coil 150, but is preferably at least powered 0.5 second or so.For example, from 0.5 Second was only powered to coil 150a by 30 seconds.
Similarly, if only leading to high-frequency current to coil 150b in the above-mentioned time, to pot 10 corresponding with coil 150b The big region of up and down direction (longitudinal direction) of bottom surface sections to side surface part carries out local induction heating, the heating region in pot 10 Generate the big convection current of up and down direction.In addition, if the above-mentioned time only to coil 150c lead to high-frequency current, to coil 150c The big region of up and down direction (longitudinal direction) of the bottom surface sections of corresponding pot 10 to side surface part carries out local induction heating, in pot 10 The heating region generate up and down direction big convection current.
In this way, for example, and keep other coils 150b, 150c non-energized if being only powered to coil 150a, then to energization The corresponding pot 10 of coil 150a bottom surface sections to side surface part up and down direction (longitudinal direction) big region carry out part induction plus Heat, the heating region in pot 10 generate the big convection current of up and down direction.That is, passing through the heating region for the part formed that is powered Temperature difference between the non-heated region for passing through non-through electric forming becomes larger, and generates big convection current, therefore can obtain big Mixing effect.
Next, if only to positioned at coil 150a adjacent position coil 150b be powered, and make other coils 150a, 150c be it is non-energized, then to the up and down direction (longitudinal direction) of the bottom surface sections of pot 10 corresponding with the coil 150b of energization to side surface part Big region carries out local induction heating, and the heating region in pot 10 generates the big convection current of up and down direction.If also, only Be powered to the coil 150c of the adjacent position positioned at coil 150b, and keep other coils 150a, 150b non-energized, then to lead to The bottom surface sections of the corresponding pot 10 of coil 150c of electricity to side surface part up and down direction (longitudinal direction) big region progress part induction Heating, the heating region in pot 10 generate the big convection current of up and down direction.
Therefore, can be controlled in the following manner, that is, successively carry out: some coil into multiple coils 150 is logical After electricity, it is powered to other coils for the adjacent position for being located at some coil, and keep the coil in addition to other coils non-energized. According to the control, the big convection current of the up and down direction generated by local heating is successively moved in the circumferential direction of pot 10, in pot 10 The convection current of convection current and circumferential direction that up and down direction can be generated combines the convection current formed.By combining the convection current formed energy in cooking Enough delicious ingredients (dissolution sugar etc.) for further obtaining rice and being included.
Electric cooker 1 according to the present embodiment, has the following advantages that.
Since multiple coils 150 are configured at the outside of at least pot bottom 10a and bending section 10c of pot 10, coil is Stereoscopic configurations, rather than planar configuration.In this way, being able to suppress heating unevenly by carrying out three-dimensional heating.In addition, due to line Circle 150 is configured to the center of coil 150 than pot side closer to pot bottom 10a, therefore can carry out relatively to pot bottom 10a Big heating.By carrying out the big heating of degree to pot bottom 10a, the convection current of up and down direction can be generated in pot 10.As a result, Rice can be mixed well, be able to suppress heating unevenly and can be improved Brix value.
It is configured at pot bottom 10a, the bending section 10c of pot 10 and the outside of pot side 10b due to 3 coils 150, leads to It crosses the more three-dimensional heating of progress and is able to suppress heating unevenly.
It is not thermally conductive between coil 150 since coil 150 does not contact each other.It can be added by each coil 150 as a result, The corresponding part of hot pot 10.In addition, being capable of fixing the induction from each coil 150 since coil 150 does not overlap each other and adding Heat.In other words, the part that coil 150 overlaps each other if it exists, then the distance in the part of overlapping to pot 10 is according to coil 150 and it is different, induction heating amount is possible to be not fixed, but coil 150 prevents this problem.
Gap between coil 150 is 10mm or more, carries out subregion to the region for configuring each coil 150 by the gap.By This, the corresponding part of heating kettle 10 is capable of by each coil 150.In addition, the gap between coil 150 is 50mm hereinafter, reducing non- Heating region is so as to being uniformly heated up.
Coil 150 is installed by the pars convoluta 131c in pot holding part 131, can energetically heat pars convoluta 131c, therefore energy It is enough to realize three-dimensional heating.Especially since coil mounting portion 131e is the arc-shaped of the interior shape along coil 150, therefore It can be accurately positioned and coil 150 is installed.
More than, specific embodiment of the present utility model is illustrated, but the utility model is not limited to above-mentioned side Formula can make various changes in the range of the utility model.
In addition, in the above-described embodiment, being said by taking the electric cooker 1 for cooking rice as an example to an example of cooking pot It is bright, but the utility model is not limited to electric cooker 1, for example, be equally applicable to heat other cooked objects (for example, stewed beef or Stewed object is boiled as vichyssoise) cooking pot cooked, identical functions and effects can be obtained.

Claims (9)

1. a kind of cooking pot, which is characterized in that have:
Pot, the pot are in band round-ended cylinder shape, have pot bottom, pot side and bending section, the bending section connects the pot bottom With the pot side;And
Multiple coils, the multiple coil are configured at at least described pot bottom and the outside of the bending section of the pot,
There is elliptical shape when the coil is overlooked, and be configured as: the elliptical long axis along the pot circumferential direction, and The center of the coil is than the pot side closer to the pot bottom.
2. cooking pot according to claim 1, which is characterized in that
The coil extends to the outside of the pot side of the pot.
3. cooking pot according to claim 1 or 2, which is characterized in that
The width of the elliptical short-axis direction is 92mm or more and 110mm or less.
4. cooking pot according to claim 1 or 2, which is characterized in that
Gap is equipped between the adjacent coil.
5. cooking pot according to claim 4, which is characterized in that
The gap is 10mm or more and 50mm or less.
6. cooking pot according to claim 1 or 2, which is characterized in that
The cooking pot is also equipped with a pot holding part, and the pot holding part is in band round-ended cylinder shape, accommodates the pot, and have bottom, Side and pars convoluta, the bottom are configured at the outside of the pot bottom, and the side is configured at the outside of the pot side, described Pars convoluta is configured at the outside of the bending section, and connects the bottom and the side,
The pars convoluta of the pot holding part is provided with coil mounting portion, the coil mounting portion is in along the inside of the coil The arc-shaped of shape.
7. cooking pot according to claim 3, which is characterized in that
The cooking pot is also equipped with a pot holding part, and the pot holding part is in band round-ended cylinder shape, accommodates the pot, and have bottom, Side and pars convoluta, the bottom are configured at the outside of the pot bottom, and the side is configured at the outside of the pot side, described Pars convoluta is configured at the outside of the bending section, and connects the bottom and the side,
The pars convoluta of the pot holding part is provided with coil mounting portion, the coil mounting portion is in along the inside of the coil The arc-shaped of shape.
8. cooking pot according to claim 4, which is characterized in that
The cooking pot is also equipped with a pot holding part, and the pot holding part is in band round-ended cylinder shape, accommodates the pot, and have bottom, Side and pars convoluta, the bottom are configured at the outside of the pot bottom, and the side is configured at the outside of the pot side, described Pars convoluta is configured at the outside of the bending section, and connects the bottom and the side,
The pars convoluta of the pot holding part is provided with coil mounting portion, the coil mounting portion is in along the inside of the coil The arc-shaped of shape.
9. cooking pot according to claim 5, which is characterized in that
The cooking pot is also equipped with a pot holding part, and the pot holding part is in band round-ended cylinder shape, accommodates the pot, and have bottom, Side and pars convoluta, the bottom are configured at the outside of the pot bottom, and the side is configured at the outside of the pot side, described Pars convoluta is configured at the outside of the bending section, and connects the bottom and the side,
The pars convoluta of the pot holding part is provided with coil mounting portion, the coil mounting portion is in along the inside of the coil The arc-shaped of shape.
CN201821217955.2U 2018-04-03 2018-07-31 Cooking pot Active CN208957636U (en)

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KR20210078266A (en) * 2019-12-18 2021-06-28 엘지전자 주식회사 Wireless induction heating cooker that improves cooking uniformity

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JP2004242912A (en) 2003-02-14 2004-09-02 Tiger Vacuum Bottle Co Ltd Electric rice cooker
CN204181488U (en) * 2014-09-26 2015-03-04 浙江苏泊尔家电制造有限公司 The electric cooker of Electromagnetic Heating
CN105982562B (en) 2015-02-13 2020-07-10 佛山市顺德区美的电热电器制造有限公司 A pan and electromagnetic heating cooking utensil for electromagnetic heating culinary art
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