CN108324099A - Insulating pot - Google Patents

Insulating pot Download PDF

Info

Publication number
CN108324099A
CN108324099A CN201710057447.6A CN201710057447A CN108324099A CN 108324099 A CN108324099 A CN 108324099A CN 201710057447 A CN201710057447 A CN 201710057447A CN 108324099 A CN108324099 A CN 108324099A
Authority
CN
China
Prior art keywords
less
outer portion
insulating pot
pot according
top surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710057447.6A
Other languages
Chinese (zh)
Other versions
CN108324099B (en
Inventor
梅长云
常见虎
伍世润
何新华
柳维军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Original Assignee
Midea Group Co Ltd
Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201710057447.6A priority Critical patent/CN108324099B/en
Publication of CN108324099A publication Critical patent/CN108324099A/en
Application granted granted Critical
Publication of CN108324099B publication Critical patent/CN108324099B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00Cooking-vessels
    • A47J27/21Water-boiling vessels, e.g. kettles
    • A47J27/21008Water-boiling vessels, e.g. kettles electrically heated
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00Parts, details or accessories of cooking-vessels
    • A47J36/02Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00Parts, details or accessories of cooking-vessels
    • A47J36/24Warming devices
    • A47J36/2483Warming devices with electrical heating means

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Cookers (AREA)

Abstract

The invention discloses a kind of insulating pots, including hot plate component (1) and bottom of the pot wall (2), bottom of the pot wall includes center circle pan portion (21) and the outer portion (22) that top surface is slope, and hot plate component includes the heater element (11) that coiling annular in shape is installed on the bottom surface of outer portion.The top surface of outer portion is formed as radially outer upper slope surface, and the top surface is radiused ramp or tapered plane;The top surface of outer portion is formed as radially outer Caused by Sloping Surfaces, and the top surface is tapered plane.In the insulating pot of the present invention, by the way that the top surface of outer portion is arranged to slope, the small bubble of bottom of the pot wall can be made to be slid from bottom to top along slope, and then the small bubble on slope is made to merge into large sparkle, large sparkle is not easy to rupture in water after being detached from bottom of the pot wall, to can effectively avoid the small and intensive phenomenon of local steam bubble, achieve the effect that noise reduction.

Description

Insulating pot
Technical field
The invention belongs to household appliance technical fields, and in particular, to a kind of insulating pot.
Background technology
The bottom of the pot wall of conventional insulating pot mostly uses horizontal bottom of the pot wall, and electric hot tray is installed on the bottom surface of horizontal bottom of the pot wall, directly Horizontal bottom of the pot wall is heated, and then heats the liquid water in insulating pot.
Wherein, the heat source of electric hot tray comes from electrothermal tube, and electrothermal tube is in circular shape more, thus only to the ring in horizontal bottom of the pot wall The electrothermal tube contact area of shape carries out concentration heating, and the steam bubble of generation is small and intensive, and small bubble is easier to take off from horizontal bottom of the pot wall From.
In this way, when insulating pot works, horizontal bottom of the pot wall centralized head load causes local steam bubble small and intensive, is easier to from water Flat bottom of the pot wall is detached from, and then brokenly bubble in water, generates loud noise.
Invention content
For above-mentioned insufficient or defect in the prior art, the present invention provides a kind of insulating pot, bottom of the pot steam bubble can be made to converge Conjunction becomes larger, and the phenomenon for avoiding local steam bubble small and intensive achievees the effect that noise reduction.
To achieve the above object, the present invention provides a kind of insulating pot, including hot plate component and bottom of the pot wall, the bottom of the pot walls Including center circle pan portion and outer portion, the top surface of the outer portion is formed as slope, and the heater element of the hot plate component is in Cyclic coil is installed on the bottom surface of the outer portion.
Preferably, the top surface of the outer portion is formed as radially outer upper slope surface.
Preferably, the top surface of the outer portion is radiused ramp.
Preferably, the arc angle of the radiused ramp not less than 30 ° and is not more than 150 °, the circular arc of the radiused ramp Radius is not less than 10mm and is not more than 50mm.
Preferably, the horizontal tilt angle of the radiused ramp and the tangent line of center circle pan portion junction is not less than 0 ° And no more than 30 °, preferably not less than 0 ° and it is not more than 15 °.
Preferably, the difference in height between the inner peripheral and outer peripheral edge of the radiused ramp not less than 10mm and is not more than 50mm。
Preferably, the top surface of the outer portion is tapered plane.
Preferably, the horizontal tilt angle of the tapered plane is not less than 8 ° and less than 90 °, preferably not less than 15 ° and not More than 60 °.
Preferably, the top surface of the outer portion is formed as radially outer Caused by Sloping Surfaces.
Preferably, the top surface of the outer portion is tapered plane, and the horizontal tilt angle of the tapered plane is not less than 8 ° and small In 90 °, preferably not less than 15 ° and be not more than 45 °.
Preferably, the ratio of the center circle pan portion and the radial width of the floor projection of the outer portion is not less than 1 And less than 9, preferably not less than 4 and it is not more than 9.
Preferably, the radius of the inner peripheral of the outer portion is not more than the half of the inner peripheral of the cricoid heater element Diameter.
Preferably, the ratio of the radial width of the radial width of the outer portion and the heater element is not less than 1 and More than 3.
Preferably, the thickness of the outer portion is not less than 0.3mm and to be not more than 4mm, preferably not less than 0.3mm and not More than 1mm, the difference of the thickness value of the outer portion and the center circle pan portion is not less than 0mm and to be not more than 3.5mm, preferably Not less than 0mm and it is not more than 1mm.
Preferably, the material of the bottom of the pot wall is the food-grade stainless steel that thermal coefficient is not more than 100W/m.k, preferably Thermal coefficient is not more than 304 stainless steel of food-grade of 60W/m.k.
Preferably, the hot plate component includes the substrate coincideing with the bottom of the pot wall shape, and the heater element passes through institute Substrate connection is stated in the bottom surface of the bottom of the pot wall.
Preferably, the insulating pot includes bottle body, is welded between the periphery of the bottom of the pot wall and the bottom periphery of the bottle body Connection or crimping connection.
Preferably, the bottom of the pot wall is punch forming part or flange molded part.
Preferably, the heater element is electrothermal tube, Electric radiant Heating Film or coil panel.
Through the above technical solutions, in the insulating pot of the present invention, by the way that the outer portion of bottom of the pot wall is changed from horizontal plane For slope, steam bubble is set to be slid from bottom to top along slope using the buoyancy of steam bubble and the viscous force of slope, and then make slope Small bubble on face merges into large sparkle, and reduction small bubble disengaging bottom of the pot wall, which enters in water, to be ruptured, and large sparkle is detached from bottom of the pot wall More difficult brokenly bubble in water afterwards reaches significant noise reduction so as to solve the problems, such as that local steam bubble is small and intensive.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
The attached drawing for constituting the part of the present invention is used to provide further understanding of the present invention, schematic reality of the invention Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the front view of the insulating pot of the present invention;
Fig. 2 is the entirety sectional view according to the insulating pot of the first preferred embodiment of the present invention;
Fig. 3 is the entirety sectional view according to the insulating pot of the second preferred embodiment of the present invention;
Fig. 4 is the entirety sectional view according to the insulating pot of the third preferred embodiment of the present invention;
Fig. 5 is upward view when hot plate component is installed on bottom of the pot wall;
Fig. 6 is the wall surface steam bubble that bottom of the pot wall is horizontal wall surface in the prior art;
Fig. 7 is compared to the wall surface steam bubble of the improved bottom of the pot wall of Fig. 6 present invention;
Fig. 8 is the part A enlarged drawing in Fig. 2;
Fig. 9 is the part B enlarged drawing in Fig. 3;
Figure 10 is the C portion enlarged drawing in Fig. 4.
Reference sign:
1 hot plate component, 7 handle
2 bottom of the pot wall, 11 heater element
3 bottle body, 12 substrate
4 pot lid, 21 center circle pan portion
5 shell, 22 outer portion
6 steam pipes
Specific implementation mode
The specific implementation mode of the present invention is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched The specific implementation mode stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase Mutually combination.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, top, bottom " is typically needle For direction shown in the drawings either for it is vertical, on vertical or gravity direction for each component mutual alignment relation Word is described.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As depicted in figs. 1 and 2, the present invention provides a kind of insulating pots, including hot plate component 1 and the bottom of the pot for constituting kettle body Wall 2, bottle body 3 and pot lid 4 around shell 5 and are connected with handle 7 on the outside of kettle body, in kettle body, in handle or kettle body and shell it Between be equipped with steam pipe 6.The bottom of kettle body is equipped with temperature controller, and steam pipe 6 guides the steam in kettle body to temperature controller, works as temperature controller It detects when vapor (steam) temperature reaches preset value through bi-metal plate deformed to disconnect the power supply of heating element.Or it is set in kettle body There is temperature sensor, when temperature sensor detects that the temperature in pot reaches preset value, is disconnected and being heated by micro-chip processor The power supply of element..
The present invention is directed to avoid local steam bubble small and intensive, so in water brokenly bubble and the phenomenon that generate loud noise, be The invention people has carried out multi-party trial and experiment, creatively proposes and promotes steam bubble in water constantly to converge to become larger, Jin Erli Liquid level is risen to buoyancy drift, accordingly even when generating the brokenly bubble on liquid level, it may have comparable noise reduction.
Based on this, as shown in Figures 2 to 5, the present invention is specifically designed the bottom of the pot wall 2 of insulating pot, the bottom of the pot Wall 2 include promote small bubble merge into large sparkle top surface be slope outer portion 22, the slope can be tapered plane, Radiused ramp or irregular curved surface, certainly specific slope type are also not necessarily limited to this, according to circumstances can specifically set.
When bottom of the pot wall 2 includes the outer portion 22 in the sloping face of center circle pan portion 21 and top surface, the fever in hot plate component 1 Element 11 is installed on the bottom surface of outer portion 22 in correspondingly cyclic coil.In this way, the heat of heater element 11 is via outer portion 22 Bottom surface be passed up to the top surface slope of outer portion 22, experiment finds that this can make the small bubble of bottom of the pot wall 2 along slope It slides from bottom to top, and then the small bubble on slope is made to merge into large sparkle, large sparkle is not easy in water after being detached from bottom of the pot wall 2 Rupture, to can effectively avoid the small and intensive phenomenon of local steam bubble, achievees the effect that noise reduction.
With reference to Fig. 5, the electrothermal tube as heater element 11 annularly coils the bottom surface for being installed on outer portion 22, if outer portion 22 be horizontal wall surface, then the steam bubble generated on 22 wall surface of outer portion of electrothermal tube contact area is small and intensive, as shown in fig. 6, water After flat outer portion 22 is heated, intensive small bubble is formed in the top surface of outer portion 22, the gas pulsation generation in the small bubble is made an uproar Sound;When the buoyancy of small bubble gives the viscous force of steam bubble more than outer portion 22, which is detached from 22 top surface of outer portion and enters water In, small bubble during rising easily loss of heat and make the gas liquefaction in steam bubble, to cause small bubble to rupture in water And generate noise.In the present invention, as shown in fig. 7, the top surface of outer portion 22 uses slope, the buoyancy using steam bubble and slope So that small bubble is slid from below to up along slope in face of the viscous force of steam bubble, small bubble is made to merge into large sparkle, and big vapour at this time The level of noise that gas pulsation generates in bubble is significantly lower than the level of noise that gas pulsation in small bubble generates;When the buoyancy of large sparkle is big When outer portion 22 gives the viscous force of steam bubble, which is detached from 22 top surface of outer portion and enters in water, due to the heat of large sparkle It is larger, therefore the gas in large sparkle is less susceptible to liquefy and rupture in water during rising, and large sparkle is broken in water The level of noise for splitting generation is significantly less than the level of noise that small bubble ruptures generation in water;Small bubble is merged into large sparkle, steam bubble The number for rupturing the noise generated is also accordingly reduced, in this way, can solve the problems, such as that local steam bubble is small and intensive, reaches significant drop It makes an uproar effect.
Specifically, hot plate component 1 includes heater element 11, which can be the lower section for being set to bottom of the pot wall 2 Electrothermal tube, or be attached to the Electric radiant Heating Film of 2 outer portion 22 of bottom of the pot wall, i.e. infrared heating film, Electric radiant Heating Film is in such case Under conducted heat with heat exchange pattern.Can also be arranged the lower section of bottom of the pot wall 2 coil panel either Electric radiant Heating Film i.e. coil panel or There is gap between Electric radiant Heating Film and bottom of the pot wall, and be at least oppositely arranged with the outer portion of bottom of the pot wall 2 22, Electric radiant Heating Film is with heat radiation at this time Mode is conducted heat.
The heating power of electrothermal tube is preferably not less than 800W and is not more than 2000W, can reduce to the greatest extent boil water in this way Time, moreover it is possible to avoid electrothermal tube influence periphery electric elements heat resistance.In addition heating power is bigger, and insulating pot is heating The noise sent out in the process also can be bigger.
Specifically, with reference to Fig. 2 to Fig. 5, the bottom of the pot wall 2 of insulating pot of the invention includes center circle pan portion 21 and top surface is oblique The outer portion 22 of slope surface, heater element 11 are mounted on the bottom surface of outer portion 22, and the heat of heater element 11 is via outer portion 22 Bottom surface be passed up to the top surface slope of outer portion 22.Certainly, the material of bottom of the pot wall 2 is little in addition to that can be thermal coefficient In the food-grade stainless steel of 100W/m.k, or other metal heat-conductings of food-grade of the thermal coefficient no more than 100W/m.k Plate can also be the nonmetallic heat conductive plate of food-grade of the thermal coefficient no more than 100W/m.k.Preferably, the material of bottom of the pot wall 2 It is not more than 304 stainless steel of food-grade of 60W/m.k for thermal coefficient.
Wherein, the thickness of outer portion 22 is not less than 0.3mm and to be not more than 4mm, outer portion 22 and the center circle pan portion The difference of 21 thickness value is not less than 0mm and to be not more than 3.5mm.Further, the thickness of outer portion 22 is preferably not less than 0.3mm and it is not more than 1mm, the difference of the thickness value of outer portion 22 and the center circle pan portion 21 is preferably not less than 0mm and little In 1mm, but not limited to this.Obviously, the thickness for thickening outer portion 22 is conducive to slow down electrothermal tube to 22 through-thickness of outer portion Heat transfer, increase laterally heat transfer, the phenomenon that can more effectively avoid local steam bubble intensive achievees the effect that noise reduction.
Wherein, the ring width of outer portion 22 is not answered too small, otherwise influences the thermal efficiency of electrothermal tube, and lateral heat diffusion effect Difference, therefore, the ratio of the radial width of outer portion 22 and the radial width of heater element 11 are preferably not less than 1 and are not more than 3. In addition, the radius of the inner peripheral of outer portion 22 should be not more than the radius of the inner peripheral of cyclic annular electrothermal tube, so that electrothermal tube is being installed It is integrally located at the lower section of outer portion 22 afterwards.
Wherein, the ratio of center circle pan portion 21 and the radial width of the floor projection of outer portion 22 is not less than 1 and to be less than 9, preferably not less than 4 and be not more than 9, but not limited to this.Simultaneously, it should be ensured that the radial width of outer portion 22 and heater element 11 Radial width ratio not less than 1 and be not more than 3, be maintained in rational ratio range.
With reference to Fig. 2 to Fig. 5, hot plate component 1 further includes the substrate 12 coincideing with 2 shape of bottom of the pot wall, and electrothermal tube passes through this base Plate 12 is connected on the bottom surface of the bottom of the pot wall 2, so that substrate 12 is formed reliable and stable plane contact with bottom of the pot wall 2, is conducive to The heat of electrothermal tube conducts.Wherein, substrate 12 is usually the high thermal conductivity coefficient metallic plate that thermal coefficient is more than 100W/m.k, such as aluminium Plate, copper coin etc., thickness direction heat conduction is fast, facilitates the heat transfer that electrothermal tube is also had substantially no effect on while electrothermal tube installation.Certainly, Electrothermal tube can be also directly welded on the ground of outer portion 22.It is well known by those skilled in the art that usually having on substrate 12 Dry combustion method piece may also function as the purpose for preventing dry combustion method.
Specifically, bottom of the pot wall 2 is tightly connected with bottle body 3, to ensure that the water in insulating pot is non-leakage.The bottom of the pot wall of insulating pot Can be tightly connected by flanging compression joint technique between 2 periphery and the bottom periphery of bottle body 3, i.e., the periphery of bottom of the pot wall 2 with The bottom periphery of bottle body 3 compresses and crimping folding is around in labyrinth-like, good seal performance, and connect it is firm, as shown in Fig. 8 to Figure 10.Or Person, the two can also be welded directly together by bottom edge weld seam, or even can also be connected in one by the surface layer weld seam weldering of bottom of the pot wall 2 It rises.
Preferably, bottom of the pot wall 2 is punch forming part or flange molded part, through the stamping process or turns over pot all over technological forming Bottom wall 2 has high rigidity, can extend the service life of bottom of the pot wall 2.
Hereinafter the present invention is specifically described with three kinds of preferred embodiments.
In Fig. 2 and the first preferred embodiment shown in Fig. 8, bottom of the pot wall 2 is the low thermal conductivity metallic plate of food-grade, Such as the thermal coefficient after processing is not more than 304 stainless steel plate of food-grade etc. of 60W/m.k.In general, bottom of the pot wall 2 is whole Body is the disc-shaped structure of horizontal wall surface.And in the present invention, bottom of the pot wall 2 includes center circle pan portion 21 and top surface is tapered plane Outer portion 22, the wherein top surface of outer portion 22 are radially outer upper slope surface, and the horizontal tilt angle of the tapered plane is not less than 8 ° And less than 90 °, preferably not less than 15 ° and it is not more than 60 °.It should be noted that herein and the ginsengs such as angle below Number be limited only to illustrate or current working under reasonable value, but it is not limited to this, and should specifically set as the case may be It is fixed.
In Fig. 3 and the second preferred embodiment shown in Fig. 9, the top surface of the outer portion 22 in bottom of the pot wall 2 is also tiltedly flat Face does not have to place with first preferred embodiment and is the top surface of outer portion 22 for radially outer Caused by Sloping Surfaces, and the tapered plane Horizontal tilt angle is not less than 8 ° and to be less than 90 °.Be radially outer upper slope surface compared to tapered plane, when tapered plane be it is radial to When outer Caused by Sloping Surfaces, if the horizontal sextant angle of tapered plane is excessive, it will cause the groove between tapered plane and bottle body 3 become it is not only deep but also It is narrow, it is not easy to cleaning of the user for incrustation scale, the horizontal sextant angle of such tapered plane is preferably 15 °~45 °.
In Fig. 4 and third preferred embodiment shown in Fig. 10, the top surface of the outer portion 22 in bottom of the pot wall 2 is that circular arc is oblique The top surface in face, the outer portion 22 is radially outer upper slope surface.Wherein, the arc angle of radiused ramp is not less than 30 ° and little In 150 °, the arc radius of the radiused ramp not less than 10mm and is not more than 50mm.In addition, radiused ramp and center circle pan portion 21 The horizontal tilt angle of the tangent line of junction is not less than 0 ° and no more than 30 °, preferably not less than 0 ° and no more than 15 °.Specifically Ground, it is smooth excessive to make the junction of radiused ramp and center circle pan portion 21 that can realize, and the generation of weld seam can be reduced, the circular arc The arc angle on inclined-plane is preferably 90 °, and the horizontal tilt angle of radiused ramp and the tangent line of 21 junction of center circle pan portion is 0 °, should The horizontal tilt angle of radiused ramp and the tangent line of 3 junction of bottle body is also 0 °.In addition, the inner peripheral of radiused ramp and outer peripheral edge it Between difference in height be preferably not less than 10mm and be not more than 50mm.
The insulating pot of three of the above preferred embodiment is in the process heated to the water in insulating pot by electrothermal tube In, the top surface of the outer portion 22 of slope generates intensive small bubble, using the buoyancy and tapered plane of steam bubble to the viscous force of steam bubble So that small bubble is slid from below to up along tapered plane, and then the small bubble on tapered plane is made to merge into large sparkle, waits for large sparkle When buoyancy gives the viscous force of steam bubble more than tapered plane, which is detached from bottom of the pot wall 2 and enters in water, and this large sparkle is not easy in water Middle rupture achievees the effect that noise reduction to can effectively avoid the small and intensive phenomenon of local steam bubble.Certainly, outer portion 22 is oblique The type of slope surface, other than it can be tapered plane and radiused ramp, there is Irregular Boundary Surface etc. the type of ramped shaped to be also all Can with.
When experiment, use Fig. 2 and 22 top surface of outer portion shown in Fig. 8 for the insulating pot of tapered plane, wherein the material of bottom of the pot wall 2 Matter is 304 stainless steel plate of food-grade, and the outer diameter of thickness 0.5mm, bottom of the pot wall 2 are 140mm, center circle pan portion 21 and outer portion 22 Floor projection radial width ratio be 2.5.Substrate 12 is using the aluminium sheet with high thermal conductivity coefficient, thickness 0.5mm, electricity Heat pipe annularly coils the bottom surface for being installed on outer portion 22.
Wherein, the heating power of electrothermal tube:1800W, water in pot:1.7L.
Testing procedure:
1) maximum scale water, is put into pot;
2), temperature sensor is placed in the middle of the height of water level at kettle center;
3), start timing measuring by "start" button;
4) stop timing measuring when, water temperature rises to 80 DEG C in pot;
5) noise figure for, rejecting sound power value≤45dB carries out A weighteds to test noise value, takes average acoustical power conduct Decision content.
Table 1:Correspondence noise data of the tapered plane under different level angle
Referring specifically to table 1, when compared to bottom of the pot wall 2 being horizontal wall surface (i.e. the horizontal sextant angle α of tapered plane is 0 °), have one The maximum acoustical power of the bottom of the pot wall 2 of fixed horizontal sextant angle α is significantly less than 68dB, and average acoustical power is significantly less than 65dB, from And noise reduction is apparent.When especially the horizontal sextant angle of tapered plane is 40 ° or so, noise reduction is the most notable.When oblique For the horizontal sextant angle α of plane from 0 ° of lift-rising to during 40 °, maximum acoustical power and average acoustical power are in that significant decline becomes Gesture.Certainly, when horizontal sextant angle α is excessive, 90 ° are greater than, then continues noise reduction and is not obvious.When horizontal sextant angle α is too small, example Such as when the horizontal sextant angle of tapered plane is less than 8 °, the small bubble on tapered plane surface is not by the buoyancy of steam bubble and slope to steam bubble Viscous force influence, to be difficult to that small bubble is made to be slid from below to up along slope, and then merge into large sparkle.Therefore, tiltedly The optional of the horizontal sextant angle of plane is ranging from not less than 8 ° and is less than 90 °.
Wherein, when tapered plane is radially outer upper slope surface, the value range of maximum acoustical power and average acoustical power is all It is acceptable, it is horizontal wall surface compared to outer portion 22, the horizontal sextant angle of tapered plane is preferably 15 °~60 °.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention Within refreshing and principle, any modification, equivalent replacement, improvement and so on, for example, the shape of outer portion 22 and heater element 11 Shape is adapted, and can be annular shape, it is apparent that can also be rectangular ring etc., such change should be included in the present invention Protection domain within.
It is further to note that specific technical features described in the above specific embodiments, in not lance In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally The thought of invention, it should also be regarded as the disclosure of the present invention.

Claims (19)

1. a kind of insulating pot, including hot plate component (1) and bottom of the pot wall (2), the bottom of the pot wall (2) include center circle pan portion (21) and The top surface of outer portion (22), the outer portion (22) is formed as slope, and the heater element (11) of the hot plate component (1) is in ring Shape coils the bottom surface for being installed on the outer portion (22).
2. insulating pot according to claim 1, wherein the top surface of the outer portion (22) is formed as radially outer upward slope Face.
3. insulating pot according to claim 2, wherein the top surface of the outer portion (22) is radiused ramp.
4. insulating pot according to claim 3, wherein the arc angle of the radiused ramp is not less than 30 ° and is not more than 150 °, the arc radius of the radiused ramp not less than 10mm and is not more than 50mm.
5. insulating pot according to claim 3, wherein the radiused ramp and center circle pan portion (21) junction The horizontal tilt angle of tangent line is not less than 0 ° and no more than 30 °, preferably not less than 0 ° and no more than 15 °.
6. insulating pot according to claim 3, wherein the difference in height between the inner peripheral and outer peripheral edge of the radiused ramp Not less than 10mm and it is not more than 50mm.
7. insulating pot according to claim 2, wherein the top surface of the outer portion (22) is tapered plane.
8. insulating pot according to claim 7, wherein the horizontal tilt angle of the tapered plane is not less than 8 ° and to be less than 90 °, preferably not less than 15 ° and be not more than 60 °.
9. insulating pot according to claim 1, wherein the top surface of the outer portion (22) is formed as radially outer descending Face.
10. insulating pot according to claim 9, wherein the top surface of the outer portion (22) is tapered plane, the tapered plane Horizontal tilt angle be not less than 8 ° and less than 90 °, preferably not less than 15 ° and be not more than 45 °.
11. insulating pot according to claim 1, wherein the water of the center circle pan portion (21) and the outer portion (22) The ratio of the radial width of flat projection is not less than 1 and less than 9, preferably not less than 4 and no more than 9.
12. insulating pot according to claim 1, wherein the radius of the inner peripheral of the outer portion (22) is no more than ring-type The heater element (11) inner peripheral radius.
13. insulating pot according to claim 1, wherein the radial width of the outer portion (22) and the heater element (11) ratio of radial width is not less than 1 and is not more than 3.
14. insulating pot according to claim 1, wherein the thickness of the outer portion (22) is not less than 0.3mm and less In 4mm, preferably not less than 0.3mm and no more than 1mm, the thickness value of the outer portion (22) and the center circle pan portion (21) Difference be not less than 0mm and be not more than 3.5mm, preferably not less than 0mm and be not more than 1mm.
15. insulating pot according to claim 1, wherein the material of the bottom of the pot wall (2) is not more than for thermal coefficient The food-grade stainless steel of 100W/m.k, preferably thermal coefficient are not more than 304 stainless steel of food-grade of 60W/m.k.
16. insulating pot according to claim 1, wherein the hot plate component (1) includes and bottom of the pot wall (2) shape Identical substrate (12), the heater element (11) are connected to the bottom surface of the bottom of the pot wall (2) by the substrate (12).
17. insulating pot according to claim 1, wherein the insulating pot includes bottle body (3), the week of the bottom of the pot wall (2) It is welded to connect between edge and the bottom periphery of the bottle body (3) or crimping is connect.
18. insulating pot according to claim 1, wherein the bottom of the pot wall (2) is punch forming part or flange molded part.
19. insulating pot according to claim 1, wherein the heater element (11) is electrothermal tube, Electric radiant Heating Film or coil Disk.
CN201710057447.6A 2017-01-20 2017-01-20 Electric kettle Active CN108324099B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710057447.6A CN108324099B (en) 2017-01-20 2017-01-20 Electric kettle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710057447.6A CN108324099B (en) 2017-01-20 2017-01-20 Electric kettle

Publications (2)

Publication Number Publication Date
CN108324099A true CN108324099A (en) 2018-07-27
CN108324099B CN108324099B (en) 2022-05-17

Family

ID=62921694

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710057447.6A Active CN108324099B (en) 2017-01-20 2017-01-20 Electric kettle

Country Status (1)

Country Link
CN (1) CN108324099B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109480622A (en) * 2018-12-06 2019-03-19 九阳股份有限公司 A kind of insulating pot
CN114995556A (en) * 2022-07-27 2022-09-02 山东齐能电器有限公司 Intelligent control system for electric food warmer operation based on data analysis
CN118141236A (en) * 2023-10-30 2024-06-07 九阳股份有限公司 Electric kettle

Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0716154A (en) * 1993-06-30 1995-01-20 Tiger Vacuum Bottle Co Ltd Electric kettle
JPH0984692A (en) * 1995-09-26 1997-03-31 Matsushita Electric Ind Co Ltd Vacuum bottle
CN1288360A (en) * 1998-11-19 2001-03-21 Seb公司 Steamer with lateral water fill
BE1013656A3 (en) * 2000-08-24 2002-05-07 Ratingen Jozef Martinus Jacobu Electrical deep fat fryer with the "cold zone" principle
CN2930545Y (en) * 2006-04-30 2007-08-08 厦门灿坤实业股份有限公司 Electric kettle with improved seal structure
CN101444394A (en) * 2007-11-27 2009-06-03 施特里克斯有限公司 Improvements in liquid heating vessels
CN201370463Y (en) * 2006-12-14 2009-12-30 奥特控制有限公司 Electric water heater
CN201750859U (en) * 2010-04-06 2011-02-23 广东新宝电器股份有限公司 Fixing structure of heating plate of ceramic electric kettle
CN203532265U (en) * 2013-08-22 2014-04-09 广东美的制冷设备有限公司 Low-noise variable-frequency air conditioner compressor
CN104510324A (en) * 2013-09-29 2015-04-15 李灿荣 Inclined surface heating type anti-sticking food cooking appliance
CN204561811U (en) * 2015-04-23 2015-08-19 浙江苏泊尔家电制造有限公司 Electrical boiler
CN204889630U (en) * 2015-08-28 2015-12-23 广东美的生活电器制造有限公司 Electrical kettle
CN204909060U (en) * 2015-08-28 2015-12-30 广东美的生活电器制造有限公司 Electrical kettle
CN105581635A (en) * 2016-02-29 2016-05-18 赖善昌 Novel independent portable type steam cooker
EP2624729B1 (en) * 2010-10-09 2016-07-27 Koninklijke Philips N.V. Method and system for carrying a solvent apparatus using said system
JP2016158885A (en) * 2015-03-02 2016-09-05 昶 林 Boil over preventer
CN106136875A (en) * 2016-08-05 2016-11-23 杭州九阳欧南多小家电有限公司 The electric cooking appliance of low noise
CN107574883A (en) * 2016-07-04 2018-01-12 嵊州市艾兰尔厨卫科技有限公司 A kind of noiseproof tank

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0716154A (en) * 1993-06-30 1995-01-20 Tiger Vacuum Bottle Co Ltd Electric kettle
JPH0984692A (en) * 1995-09-26 1997-03-31 Matsushita Electric Ind Co Ltd Vacuum bottle
CN1288360A (en) * 1998-11-19 2001-03-21 Seb公司 Steamer with lateral water fill
BE1013656A3 (en) * 2000-08-24 2002-05-07 Ratingen Jozef Martinus Jacobu Electrical deep fat fryer with the "cold zone" principle
CN2930545Y (en) * 2006-04-30 2007-08-08 厦门灿坤实业股份有限公司 Electric kettle with improved seal structure
CN201370463Y (en) * 2006-12-14 2009-12-30 奥特控制有限公司 Electric water heater
CN101444394A (en) * 2007-11-27 2009-06-03 施特里克斯有限公司 Improvements in liquid heating vessels
CN201750859U (en) * 2010-04-06 2011-02-23 广东新宝电器股份有限公司 Fixing structure of heating plate of ceramic electric kettle
EP2624729B1 (en) * 2010-10-09 2016-07-27 Koninklijke Philips N.V. Method and system for carrying a solvent apparatus using said system
CN203532265U (en) * 2013-08-22 2014-04-09 广东美的制冷设备有限公司 Low-noise variable-frequency air conditioner compressor
CN104510324A (en) * 2013-09-29 2015-04-15 李灿荣 Inclined surface heating type anti-sticking food cooking appliance
JP2016158885A (en) * 2015-03-02 2016-09-05 昶 林 Boil over preventer
CN204561811U (en) * 2015-04-23 2015-08-19 浙江苏泊尔家电制造有限公司 Electrical boiler
CN204889630U (en) * 2015-08-28 2015-12-23 广东美的生活电器制造有限公司 Electrical kettle
CN204909060U (en) * 2015-08-28 2015-12-30 广东美的生活电器制造有限公司 Electrical kettle
CN105581635A (en) * 2016-02-29 2016-05-18 赖善昌 Novel independent portable type steam cooker
CN107574883A (en) * 2016-07-04 2018-01-12 嵊州市艾兰尔厨卫科技有限公司 A kind of noiseproof tank
CN106136875A (en) * 2016-08-05 2016-11-23 杭州九阳欧南多小家电有限公司 The electric cooking appliance of low noise

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109480622A (en) * 2018-12-06 2019-03-19 九阳股份有限公司 A kind of insulating pot
CN114995556A (en) * 2022-07-27 2022-09-02 山东齐能电器有限公司 Intelligent control system for electric food warmer operation based on data analysis
CN118141236A (en) * 2023-10-30 2024-06-07 九阳股份有限公司 Electric kettle

Also Published As

Publication number Publication date
CN108324099B (en) 2022-05-17

Similar Documents

Publication Publication Date Title
CN108567311A (en) A kind of cooking apparatus anti-dry method, apparatus and cooking system
CN108324099A (en) Insulating pot
CN204797548U (en) A utensil for passing through external heat source heats its content
CN206761466U (en) Insulating pot
CN207168372U (en) Insulating pot
CN207168373U (en) Insulating pot
KR101480272B1 (en) A cooking receptacle for induction range
CN206729738U (en) Insulating pot
KR20230128987A (en) Magnetic field induction heating hot water and steam boiler
CN207341622U (en) Insulating pot
CN205548298U (en) Cooking utensil
US20070221650A1 (en) Constructive Arrangement Applied To Vessel For Heating
CN205597773U (en) Dish and cooking utensil generate heat
CN108784337A (en) Insulating pot
JP2008000361A (en) Container for induction heating cooking
CN206586810U (en) Electric pressure cooking saucepan
CN204970802U (en) Non - metal container who can be used to electromagnetism stove
CN207341618U (en) Insulating pot
CN108618605A (en) Insulating pot
CN218328090U (en) Steam generating device and steam cooking device
CN108784336A (en) Insulating pot
CN108433536A (en) A kind of Electric radiant Heating Film health-promotion kettle
CN219331389U (en) Heating plate assembly and cooking utensil with same
CN217137474U (en) Magnetic conduction pan
CN210383600U (en) Energy-saving soup barrel furnace

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant