CN208144885U - Cookware and kitchen appliance - Google Patents
Cookware and kitchen appliance Download PDFInfo
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- CN208144885U CN208144885U CN201720543627.0U CN201720543627U CN208144885U CN 208144885 U CN208144885 U CN 208144885U CN 201720543627 U CN201720543627 U CN 201720543627U CN 208144885 U CN208144885 U CN 208144885U
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Abstract
The utility model discloses a kind of cookware and kitchen appliance, the cookware includes：Inner casing and the shell being connected with the inner casing limit the phase transformation chamber for accommodating liquid phase-change working medium between the inner casing and the shell；Liquid phase-change working medium, the liquid phase-change working medium setting are intracavitary in the phase transformation；Wherein the ratio of the volume V1 of the liquid phase-change working medium and surface area S for the outer peripheral surface part for being located at the intracavitary inner casing of the phase transformation meets：V1/S=1/5000-1/100.Cookware according to the present utility model is non-sticky functional, and reduces non-viscous paint injury caused by human body, and manufacturing cost is low, and phase-change working substance can transfer heat to rapidly inner casing.
Description
Technical field
The utility model relates to field of home appliance technology, in particular to a kind of cookware and kitchen appliance.
Background technique
The temperature difference of cookware different piece in the related technology is larger, in order to slow down that excessive food is heated and occur being burned show
As being provided with non-sticking lining on the inner wall of cookware, but the binding force of this non-sticking lining is poor, scratch resistance performance is poor, service life
It is limited, therefore coating is easy to fall off and fails, while being also usually scraped off.
The cookware for losing non-sticking lining will appear the phenomenon that being burned, simultaneously because non-sticking lining be easy to be mixed into food and
It is taken in by human body, and then security risk is caused to the health of consumer.
In a kind of samming pot technology known for inventor, cavity is formed using cookware inside and outside shell, in the cavities filling liquid
State phase-change working substance is to realize samming purpose, but although this samming pot technology can reduce the inner casing temperature difference, but mutually exchanges work
The rate that matter transfers heat to inner casing is lower.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality
It is proposed a kind of cookware with novel, the cookware is non-sticky functional, and reduces non-viscous paint injury caused by human body, manufacture at
This is low, and phase-change working substance can transfer heat to rapidly inner casing.
The utility model also proposed a kind of kitchen appliance with above-mentioned cookware.
Cookware according to the present utility model, including：Inner casing and the shell being connected with the inner casing, the inner casing and described outer
The phase transformation chamber for accommodating liquid phase-change working medium is limited between shell；Liquid phase-change working medium, the liquid phase-change working medium setting exist
The phase transformation is intracavitary；Wherein the volume V1 of the liquid phase-change working medium and the outer circumferential surface section for being located at the intracavitary inner casing of the phase transformation
The ratio of the surface area S divided meets：V1/S=1/5000-1/100.
Cookware according to the present utility model, the volume V1 of liquid phase-change working medium and the outer circumferential surface section for being located at the intracavitary inner casing of phase transformation
The ratio of the surface area S divided meets：V1/S=1/5000-1/100, therefore the transmission efficiency of phase-change working substance is high, working medium can be quick
Ground transfers heat to the upper layer of phase transformation chamber, and the temperature uniformity of the different parts of inner casing is good, and inner casing has outstanding physics not
It is stained with performance.
The ratio further satisfaction of one embodiment according to the present utility model, the V1 and the S：V1/S=1/3000-
1/100。
The ratio further satisfaction of one embodiment according to the present utility model, the V1 and the S：V1/S=1/3000-
1/500。
One embodiment according to the present utility model, the maximum volume of the liquid phase-change working medium are the body of the phase transformation chamber
Long-pending 1/20-1/3.
One embodiment according to the present utility model, the maximum volume of the liquid phase-change working medium are the body of the phase transformation chamber
Long-pending 1/15-1/4.
One embodiment according to the present utility model, the maximum volume of the liquid phase-change working medium are the body of the phase transformation chamber
Long-pending 1/15-1/5.
One embodiment according to the present utility model, the intracavitary vacuum degree of the phase transformation are 10-2Pa-102Pa。
One embodiment according to the present utility model, the inner casing inner wall of the inner casing include and phase transformation chamber position pair
The phase transformation chamber answered corresponds to wall surface, wherein at least part regional structure that the phase transformation chamber corresponds to wall surface is without non-sticky layer region.
One embodiment according to the present utility model, the phase transformation chamber correspond to wall surface and include：Suitable for heating source face
Heat source face region and the non-face region of heat source, wherein described, to be stained with layer region invariably include the non-face region of the heat source.
Antistick layer is arranged in one embodiment according to the present utility model, heat source face region.
One embodiment according to the present utility model, the phase transformation chamber correspond to wall surface and include：Phase transformation chamber correspond to wall surface and
Phase transformation chamber corresponds to peripheral wall surfaces, and the phase transformation chamber corresponds to wall surface and constitutes heat source face region, and the phase transformation chamber corresponds to peripheral wall
Face constitutes the non-face region of heat source.
One embodiment according to the present utility model, the phase transformation chamber correspond to wall surface and include：First temperature region and second
The temperature of temperature region, first temperature region is suitable for when the cookware is heated greater than the temperature in the second temperature region
Degree, wherein described, to be stained with layer region invariably include the second temperature region.
Antistick layer is arranged in one embodiment according to the present utility model, first temperature region.
One embodiment according to the present utility model, the phase transformation chamber correspond to wall surface and include：Phase transformation chamber correspond to wall surface and
Phase transformation chamber corresponds to peripheral wall surfaces, and the phase transformation chamber corresponds to wall surface and constitutes first temperature region, and the phase transformation chamber corresponds to peripheral wall
Face constitutes the second temperature region.
One embodiment according to the present utility model, first temperature region and the temperature difference in the second temperature region are
0° -15°。
One embodiment according to the present utility model, first temperature region and the temperature difference in the second temperature region are
0° -8°。
One embodiment according to the present utility model, the phase transformation chamber correspond to wall surface and include：Phase transformation chamber correspond to wall surface and
Phase transformation chamber corresponds to peripheral wall surfaces, and described without non-sticky layer region includes that the phase transformation chamber corresponds to peripheral wall surfaces.
One embodiment according to the present utility model, the phase transformation chamber correspond to wall surface setting antistick layer.
One embodiment according to the present utility model, the phase transformation chamber correspond to wall surface and include：Phase transformation chamber correspond to wall surface and
Phase transformation chamber corresponds to peripheral wall surfaces, the phase transformation chamber correspond to peripheral wall surfaces and the phase transformation chamber to correspond to wall surface be the no nonstick layer area
Domain.
One embodiment according to the present utility model, the inner casing inner wall overall construction are described without non-sticky layer region.
One embodiment according to the present utility model, the inner casing are the ball kettle shape of evagination.
One embodiment according to the present utility model, the corresponding inner shell sections without non-sticky layer region are made of aluminum.
One embodiment according to the present utility model, the inner casing generally alumiaum article or iron piece.
According to the kitchen appliance of the utility model another aspect embodiment, including the cookware in above-described embodiment.
One embodiment according to the present utility model, the kitchen appliance include electric cooker, electric pressure cooking saucepan, electromagnetic oven.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and is readily appreciated that, wherein：
Fig. 1 is the schematic cross-sectional view of cookware described in the utility model one embodiment；
Fig. 2 is the A-A of cookware shown in Fig. 1 to schematic cross-sectional view；
Fig. 3 is the partial enlarged view of the cookware of the utility model one embodiment；
Fig. 4 is the schematic diagram of the cookware of the utility model one embodiment；
Fig. 5 is the schematic diagram of the cookware of the utility model another embodiment；
Fig. 6 is the schematic diagram of the cookware of the utility model further embodiment；
Fig. 7 is the partial enlarged view of the cookware of the utility model one embodiment.
Appended drawing reference：Inner casing 10, inner casing inner wall 103, the outer peripheral surface 104 of inner casing 10, phase transformation chamber correspond to wall surface 102, heat
Source face region 102a, heat source non-face region 102b, the first temperature region 102c, second temperature region 102d, it is first annular
Flange 101, shell 20, the second annular flange 201, phase transformation chamber 30, porous foam metal part 40, water conservancy diversion gap 50, metal tube
60。
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings.Below by
The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and should not be understood as practical new to this
The limitation of type.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure
Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection is also possible to be electrically connected or can communicate each other；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, the connection inside two elements or the interaction relationship of two elements be can be, unless otherwise restricted clearly.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
It is described in detail below with reference to cookware of the Fig. 1 to Fig. 7 to the utility model embodiment.
Cookware according to the utility model embodiment may include inner casing 10 and shell 20, and shell 20 is set in inner casing 10
Outside, inner casing 10 are connected with shell 20 and limit the phase transformation chamber for accommodating liquid phase-change working medium between inner casing 10 and shell 20
30.Liquid phase-change working medium can in phase transformation chamber 30 completion morphology transformation, such as liquid phase-change working medium can complete liquid and
Conversion between gaseous state is to realize the transmitting of heat.
It is a kind of physics non-stick cooker using double-layer structure, the inner casing of cookware according to the cookware of the utility model embodiment
The phase transformation chamber 30 of vacuum is formed between 10 and shell 20, injecting at the position of bottom in phase transformation chamber 30 has liquid phase-change working medium
(such as water, ammonia or n-hexane), is heated to cookware bottom in this way, when the temperature of cookware bottom increases to certain temperature
(such as temperature afterwards>100 DEG C), it is gas that the liquid refrigerant in phase transformation chamber 30 close to bottom position, which can vaporize volatilization, is transmitted to phase transformation
Close to the condensation end on top, being effectively conducted along with heat at the same time, so that close to the position of its open end of cookware in chamber 30
It sets and is heated, and the phase-change working substance after being cooled occurs condensation and is changed into liquid again, flow to the bottom of phase transformation chamber 30, then weighs
New heated rear re-evaporation, which constantly moves in circles, so that it is guaranteed that entire each position of cookware is in several minutes of heating
Temperature field afterwards is consistent (such as the temperature difference can be controlled at ± 4 DEG C) substantially, that is, guarantees each spot temperature of entire cookware in uniform
Distribution finally realizes that the cookware surface has the non-sticky effect of good physics when cooking.
Wherein, as shown in fig. 7, the outer peripheral surface of the volume V1 of liquid phase-change working medium and the inner casing 10 being located in phase transformation chamber 30
The ratio of the surface area S of 104 parts meets：V1/S=1/5000-1/100.
Inventor has found after many experiments, the volume V1 of liquid phase-change working medium and the inner casing 10 being located in phase transformation chamber 30
104 part of outer peripheral surface surface area ratio and phase-change working substance rate of heat transfer it is closely related.
It should be noted that the outer surface of inner casing 10 include outer bottom and positioned at outer bottom outer and upwardly extend outer
Circumferential surface 104, the outer peripheral surface 104 of inner casing 10 described in the utility model are the outer surface of the circumferential portion of inner casing.
Pass through the surface area of volume V1 and the outer peripheral surface 104 for the inner casing 10 being located in phase transformation chamber 30 to liquid phase-change working medium
Ratio rationally controlled, thermally conductive phase-change working substance in phase transformation chamber 30 can be promoted by after thermal evaporation, quickly pass through heat
The inner casing 10 of large surface area is transferred to the food of pot body internal layer, promotes the temperature uniformity of 10 different location of inner casing, Jin Erbao
Demonstrate,prove 10 inner surface of inner casing has good physics non-sticky effect during cooking.
The volume V1 of liquid phase-change working medium and the surface area of 104 part of outer peripheral surface for the inner casing 10 being located in phase transformation chamber 30
Ratio is bigger, then gaseous state phase-change working substance is more liable to stick on the outer peripheral surface 104 of inner casing 10, and then the delivery rate of heat is got over
It is high；But in order to ensure that can accommodate enough phase-change working substances in phase transformation chamber 30, the volume V1 of liquid phase-change working medium be located at phase
The ratio of the surface area of 104 part of outer peripheral surface of the inner casing 10 become in chamber 30 is not the bigger the better.
As the volume V1 of liquid phase-change working medium and positioned at the surface area of 104 part of outer peripheral surface of inner casing 10 in phase transformation chamber 30
Ratio meets：When V1/S=1/5000-1/100, the phase-change working substance in phase transformation chamber 30 both can be rapidly in the outer peripheral surface of inner casing 10
It is condensed on the part being located in phase transformation chamber 30 on 104, heat is quickly transferred to inner casing 10, improve the temperature of each section on inner casing 10
Uniformity is spent, while can also store enough phase-change working substances in phase transformation chamber 30, it is ensured that phase-change working substance can be by a large amount of heat
It takes 30 upside of phase transformation chamber to and passes to inner casing 10.
Preferably, the ratio further satisfaction of V1 and S：V1/S=1/3000-1/100.It is highly preferred that the ratio of V1 and S is into one
Step meets：V1/S=1/3000-1/500.
In some embodiments of the utility model, the maximum volume of liquid phase-change working medium is the 1/ of 30 volume of phase transformation chamber
20-1/3.It should be noted that phase-change working substance in most cases all will not by it is simple it is a kind of in the form of exist, phase transformation chamber 30
In phase-change working substance always there are two kinds of forms of liquid and gaseous state, liquid phase-change working medium and gaseous state phase-change working substance are existed simultaneously in phase
Become in chamber 30.The maximum volume of liquid phase-change working medium is the volume when the form of all phase-change working substances is liquid.
Inventor has found after many experiments, the ratio of the volume of the maximum volume and phase transformation chamber 30 of liquid phase-change working medium
Having on the uniformity of the heat transfer efficiency of phase-change working substance, cookware each section temperature influences.By to liquid phase-change working medium
Ratio between volume and the volume of phase transformation chamber 30 is rationally designed, and can promote phase-change working substance after heated vaporization, there is conjunction
Suitable space is migrated and is moved, the phase transformation for making it faster move in circles in entire phase transformation chamber 30, in promotion
The temperature uniformity of the different parts of shell 10, and then promote internal layer pot inner surface that there is good physics not during cooking
It is stained with effect.
The maximum volume of liquid phase-change working medium and the ratio of the volume of phase transformation chamber 30 are too big, will lead to gaseous state phase-change working substance
Movement and migration space it is small, the heat transfer of phase-change working substance it is inefficient, cause the temperature of the different parts of inner casing 10 uniform
Property is poor, and the non-sticky performance of the physics of inner casing 10 is poor；The ratio of the volume of the maximum volume and phase transformation chamber 30 of liquid phase-change working medium is too
Hour, the total amount of phase-change working substance is too small, and will lead to phase-change working substance rapidly cannot be transferred to phase transformation from the bottom of cookware for heat
The top of chamber 30 and the top of inner casing, the heat transfer efficiency of phase-change working substance is not high, leads to the temperature of the different parts of inner casing 10
Uniformity is poor, and the non-sticky performance of the physics of inner casing 10 is poor.
Inventor both may be used the study found that as the 1/20-1/3 that the maximum volume of liquid phase-change working medium is 30 volume of phase transformation chamber
To guarantee that phase-change working substance has enough movements and migration space, and it can guarantee that phase-change working substance can be rapidly by heat transfer
To the upper layer of phase transformation chamber 30, the heat transfer efficiency of phase-change working substance is high, and the temperature uniformity of the different parts of inner casing 10 is good, inner casing
10 have the outstanding non-sticky performance of physics.
Preferably, the maximum volume of liquid phase-change working medium is the 1/15-1/4 of the volume of phase transformation chamber 30.It is highly preferred that liquid
The maximum volume of phase-change working substance is the 1/15-1/5 of the volume of phase transformation chamber 30.
In some embodiments of the utility model, the vacuum degree in phase transformation chamber 30 is 10-2Pa-102Pa.Control phase transformation chamber
Vacuum degree in 30 is 10-2Pa~102Pa can reduce the phase transition temperature of liquid phase-change working medium, convenient for liquid phase-change working medium
Circulating vaporization and condensation, so that the temperature uniformity on cookware bottom and top is further ensured that, to guarantee each portion of entire cookware
The temperature uniformity of position.Certainly, the vacuum degree in phase transformation chamber 30 is not limited to above-mentioned specific value range, can according to the actual situation certainly
Row design.
It is described in detail with reference to the accompanying drawing to according to the cookware of the utility model other embodiments.
Cookware according to the utility model embodiment may include inner casing 10 and the shell being connected with inner casing 10 20, inner casing 10
The phase transformation chamber 30 for accommodating liquid phase-change working medium is limited between shell 20.Liquid phase-change working medium can be in phase transformation chamber 30
The transformation of middle completion morphology, such as liquid phase-change working medium can complete the conversion between liquid and gaseous state to realize the biography of heat
It passs.
As shown in figure 4, inner casing 10 has inner casing inner wall 103, inner casing inner wall 103 is the wall suitable for contacting with cooking cavity
Face, the inner casing inner wall 103 of inner casing 10 include the corresponding wall surface 102 of corresponding with 30 position of phase transformation chamber phase transformation chamber, position here
Corresponding to can be understood as corresponding on the thickness direction of inner casing 10, wherein phase transformation chamber corresponds at least part area of wall surface 102
Domain construction is without non-sticky layer region.
That is, when phase transformation chamber 30 all between inner casing 10 and shell 20, the inner casing inner wall 103 of inner casing 10
All with 30 face of phase transformation chamber, all phase transformation chambers of inner casing inner wall 103 of inner casing 10 correspond to wall surface 102.When inner casing 10 and outside
When only part is phase transformation chamber 30 between shell 20, the inner casing inner wall 103 of inner casing 10 includes two parts, and a part is and phase transformation chamber
30 corresponding phase transformation chambers correspond to wall surface 102, and another part is common wall surface not corresponding with phase transformation chamber 30.
At least part that phase transformation chamber corresponds to wall surface 102 is configured to without non-sticky layer region.In other words, phase transformation chamber corresponds to wall surface
102 only some setting antistick layer, another part can be not provided with antistick layer；Or phase transformation chamber correspond to wall surface 102 can be complete
Portion is not provided with antistick layer.
Thus, it is possible to which the processing technology and difficulty of processing of cookware is greatly reduced, the production efficiency of cookware is improved, and
Due to reducing the use of antistick layer, processing cost is also significantly reduced.
In addition, the setting for reducing antistick layer can also fundamentally avoid falling off for antistick layer, reduces antistick layer and enter
In food and by human intaking amount, the security risk caused by consumer is reduced.
It should be noted that the "inner" in the utility model embodiment refers to the direction towards cookware inside center,
"outside" refers to the direction far from cookware inside center；It the center of cookware can be in the interior cooking cavity for containing food of cookware
The heart.
It is a kind of physics non-stick cooker using double-layer structure, the inner casing of cookware according to the cookware of the utility model embodiment
The phase transformation chamber 30 of vacuum is formed between 10 and shell 20, injecting at the position of bottom in phase transformation chamber 30 has liquid phase-change working medium
(such as water, ammonia or n-hexane), is heated to cookware bottom in this way, when the temperature of cookware bottom increases to certain temperature
(such as temperature afterwards>100 DEG C), it is gas that the liquid refrigerant in phase transformation chamber 30 close to bottom position, which can vaporize volatilization, is transmitted to phase transformation
Close to the condensation end on top, being effectively conducted along with heat at the same time, so that close to the position of its open end of cookware in chamber 30
It sets and is heated, and the phase-change working substance after being cooled occurs condensation and is changed into liquid again, flow to the bottom of phase transformation chamber 30, then weighs
New heated rear re-evaporation, which constantly moves in circles, so that it is guaranteed that entire each position of cookware is in several minutes of heating
Temperature field afterwards is consistent (such as the temperature difference can be controlled at ± 4 DEG C) substantially, that is, guarantees each spot temperature of entire cookware in uniform
Distribution finally realizes that the cookware surface has the non-sticky effect of good physics when cooking.
And above-mentioned cookware, the temperature due to the presence of phase transformation chamber 30, on the opposite inner casing inner wall 103 of phase transformation chamber 30
Uniformly, therefore the phase transformation chamber of the inner casing 10 of the utility model embodiment corresponds at least part region of wall surface 102 to construct
For without non-sticky layer region, thus effectively reduce because the wear-resisting property of non-sticky coating is poor, binding force is not ideal enough, the service life compared with
It is short, easy to fall off and influence non-sticky effect and service life of the cookware when cooking, and effectively prevent not stickness paint and inhaled by human body
After receipts, security risk is caused to the health of user.In addition, due to the use for reducing non-sticking lining, the manufacture of cookware at
Originally it is greatly reduced, and the difficulty of processing of cookware is reduced, processing technology is simplified, and then at least certain
The production efficiency of cookware is improved in degree.
In some embodiments of the utility model, as shown in figure 5, it includes being suitable for and heating that phase transformation chamber, which corresponds to wall surface 102,
The non-face region 102b of heat source face region 102a and heat source of source face, wherein including the non-face of heat source without non-sticky layer region
Region 102b.
Heat source face region 102a and heat source face, the heat received is big, and food holds on heat source face region 102a
Easily there is excessively heating and lead to the phenomenon that being burned, therefore antistick layer can be set in heat source face region 102a, reduction is burned
Probability.The non-face region 102b of heat source and the not direct face of heat source, therefore the heat received is with respect to heat source face region
102a is smaller, and the probability that the non-face region 102b of heat source is burned is lower, therefore can be not provided in the non-face region 102b of heat source
Antistick layer to be formed without non-sticky layer region, and then effectively reduce be burned phenomenon while, reduce cookware cost, reduce pot
The manufacturing procedure of tool and the difficulty of processing for reducing cookware, and reduce non-viscous paint at least to a certain extent and enter food
In probability, reduce the hidden danger caused by the physical safety of user.
Of course, it should be understood that heat source face region 102a and the non-face region 102b of heat source can be not provided with not gluing
Layer, i.e., include heat source face region 102a and the non-face region 102b of heat source without non-sticky layer region.
Specifically, it includes that phase transformation chamber corresponds to wall surface 102a and phase transformation chamber corresponds to peripheral wall surfaces that phase transformation chamber, which corresponds to wall surface 102,
102b, phase transformation chamber correspond to wall surface 102a and constitute heat source face region 102a, and it is non-that phase transformation chamber corresponds to peripheral wall surfaces 102b composition heat source
Face region 102b.
That is, the heat source of cookware wall surface 102a face corresponding with phase transformation chamber, the heat source of cookware are corresponding with phase transformation chamber
The non-face of peripheral wall surfaces 102b, phase transformation chamber correspond to wall surface 102a as heat affected zone first.
In other embodiments of the utility model, as shown in fig. 6, it includes the first temperature that phase transformation chamber, which corresponds to wall surface 102,
The temperature of region 102c and second temperature region 102d, the first temperature region 102c are suitable for being greater than the second temperature when cookware is heated
The temperature for spending region 102d, wherein including second temperature region 102d without non-sticky layer region.
The temperature of first temperature region 102c is high, and the heat received is maximum, and food is easy in the first temperature region 102c
There is excessively heating and lead to the phenomenon that being burned, therefore antistick layer can be set in the first temperature region 102c, reduces paste
The probability of pot.The temperature of second temperature region 102d is relatively low, and the heat received is smaller with respect to the first temperature region 102c,
The probability that second temperature region 102d is burned is lower, therefore can be not provided with antistick layer in second temperature region 102d to form nothing
Non-sticky layer region, so be effectively reduced be burned phenomenon while, reduce the cost of cookware, reduce cookware manufacturing procedure and
The difficulty of processing for reducing cookware, reduces the probability that non-viscous paint enters in food at least to a certain extent, reduce to
Hidden danger caused by the physical safety at family.
It is, of course, understood that the first temperature region 102c and second temperature region 102d can be not provided with not gluing
Layer includes the first temperature region 102c and second temperature region 102d without non-sticky layer region.
Specifically, as shown in fig. 6, it includes that phase transformation chamber corresponds to wall surface 102c and phase transformation chamber pair that phase transformation chamber, which corresponds to wall surface 102,
Peripheral wall surfaces 102d is answered, phase transformation chamber corresponds to wall surface 102c and constitutes the first temperature region 102c, and phase transformation chamber corresponds to peripheral wall surfaces 102d structure
At second temperature region 102d.That is, the temperature that phase transformation chamber corresponds to wall surface 102c is higher, phase transformation chamber corresponds to peripheral wall surfaces
The temperature of 102d is relatively low.For example, the first temperature region 102c can be with heat source face, second temperature region 102d
With the non-face of heat source.
Further, the temperature difference of the first temperature region 102c and second temperature region 102d are 0 ° -15 °.
Further, the temperature difference of the first temperature region 102c and second temperature region 102d are 0 ° -10 °, further excellent
It is selected as 0 ° -8 °.The temperature difference between first temperature region 102c and second temperature region 102d is bigger, then more needs in the first temperature
Antistick layer is arranged in region 102c；Temperature difference very little between first temperature region 102c and second temperature region 102d is even without the temperature difference
When, then the first temperature region 102c and second temperature region 102d can be not provided with antistick layer.
In some embodiments of the utility model, referring for example to shown in Fig. 5 and Fig. 6, phase transformation chamber corresponds to wall surface 102 and includes
Phase transformation chamber corresponds to wall surface (102a, 102c) and corresponds to phase transformation chamber peripheral wall surfaces (102b, 102d), and no non-sticky layer region includes phase transformation
Chamber corresponds to peripheral wall surfaces (102b, 102d).
No non-sticky layer region can be only that phase transformation chamber corresponds to peripheral wall surfaces (102b, 102d), certainly without non-sticky layer region
Peripheral wall surfaces (102b, 102d) being corresponded to including phase transformation chamber simultaneously, wall surface (102a, 102c) is corresponded to phase transformation chamber.
Further, as shown in Figure 5 and Figure 6, phase transformation chamber corresponds to and is provided with antistick layer on wall surface (102a, 102c).By
Wall surface (102a, 102c) face heat source is corresponded in phase transformation chamber, therefore phase transformation chamber corresponds to the temperature of wall surface (102a, 102c)
It is higher, it is easy excessively heated with the food that the corresponding wall surface of phase transformation chamber (102a, 102c) directly contacts and is carbonized, generate paste
The phenomenon that pot.
The cookware of the utility model embodiment only corresponds to wall surface (102a, 102c) setting in phase transformation chamber and does not glue as a result,
Layer, be effectively reduced be burned while, reduce cookware cost, reduce the manufacturing procedure of cookware and reduce cookware plus
Work difficulty, and the probability that non-viscous paint enters in food is reduced at least to a certain extent, it reduces and the body of user is pacified
Hidden danger caused by complete.
In other embodiments of the utility model, it includes that phase transformation chamber corresponds to wall surface that phase transformation chamber, which corresponds to wall surface 102,
(102a, 102c) is corresponded to peripheral wall surfaces (102b, 102d) with phase transformation chamber, and phase transformation chamber corresponds to wall surface (102a, 102c) and phase transformation chamber
Corresponding peripheral wall surfaces (102b, 102d) is without non-sticky layer region.
The non-adhesion behavior of the cookware of the utility model is by the liquid phase-change working medium in double-layer structure and double-layer structure as a result,
Realize, phase transformation chamber corresponds to wall surface and phase transformation chamber correspond to peripheral wall surfaces temperature it is relatively uniform.Phase transformation chamber corresponds to wall surface and phase
Become chamber and correspond to peripheral wall surfaces without non-sticking lining, therefore the binding force for fundamentally having prevented non-sticking lining and cookware not enough occurs
Obscission, non-sticking lining will not enter in food to be absorbed by consumer, avoids caused by the body of user safety
Hidden danger.
Meanwhile the phase transformation chamber of the utility model corresponds to wall surface and phase transformation chamber corresponds to peripheral wall surfaces without non-sticking lining, may be used also
To reduce the production difficulty of cookware, simplify the production process of cookware, and then improves the production efficiency of cookware, and significantly reduce
The manufacturing cost of cookware.
In some embodiments of the utility model, inner casing 10 is the ball kettle shape of evagination.It as a result, can be with shape inside inner casing 10
At superpower thermal convection, the big boiling of circulation is generated, allows each grain of rice to be all full water, the volume of the grain of rice is fuller.Meanwhile inner casing
10 design and combine the double-layer structure of cookware for the ball kettle shape of evagination, so that being uniformly heated for cookware, further avoids
The generation for phenomenon of being burned, while ball kettle shape inner casing 10 can also disperse the gravity synergistic effect between the grain of rice, optimize phenomenon of being burned.
Due to phase transformation chamber correspond to wall surface 102 at least partially without non-sticky layer region, effectively reduce cookware and be burned
While phenomenon, the cost of manufacture and manufacture craft of cookware are reduced, the production efficiency of cookware is effectively increased.
In some embodiments of the utility model, corresponding 10 part of inner casing without non-sticky layer region is made of aluminum.Thus
Not only guarantee the molding effect of cookware, but also guarantee the heating conduction of cookware.
In some embodiments of the utility model, inner casing 10 generally alumiaum article or iron piece.Both guarantee cookware as a result,
Molding effect, and guarantee the heating conduction of cookware, while the processing of inner casing 10 is more easier, and intensity is higher.
In one embodiment of the utility model, as shown in Figure 1, the boiler port of inner casing 10 is equipped with the first ring of outward bending
Shape flange 101, the boiler port of shell 20 are equipped with the second annular flange 201 of outward bending, first annular flange 101 and the second ring
201 airtight connection of shape flange, to form closed phase transformation chamber 30 between inner casing 10 and shell 20.
Preferably, first annular flange 101 and the second annular flange 201 are integrally welded.
By the sealed connection of first annular flange 101 and the second annular flange 201, such as use welding procedure by inner casing 10
On first annular flange 101 and shell 20 on the second annular 201 welded seal of flange, it is ensured that be fully sealed and nothing between weld seam
Gap, it is preferable that sanding and polishing is carried out to face of weld after welding, forms closed phase transformation chamber between inner casing 10 and shell 20
30。
Further, it as shown in Figure 1, offering connector at the upper position of the outside wall surface of shell 20, is set at connector
Have and be used for the bottom injection liquid phase-change working medium to phase transformation chamber 30 with the closed metal tube 60 being connected to of phase transformation chamber 30, metal tube 60,
So that liquid phase-change working medium is deposited on the bottom of phase transformation chamber 30, and the air in phase transformation chamber 30 is discharged by metal tube 60.
Connector (aperture that such as diameter is 3mm or so) is opened up at position of the shell 20 close to top, is inserted into same
The metal tube 60 (such as metal hollow copper pipe) of diameter, then metal tube 60 and the contact position of pot wall are subjected to welded seal, it realizes
Metal tube 60 is connected to the closed of phase transformation chamber 30, to pass through bottom injection liquid phase-change work of the metal tube 60 to phase transformation chamber 30
Matter, and the air in phase transformation chamber 30 is excluded, make to keep vacuum state in phase transformation chamber 30.
Preferably, the vacuum degree in phase transformation chamber 30 is 10-3Pa~10-1Pa.Certainly, the vacuum degree of phase transformation chamber is also possible to
Above-mentioned 10-2Pa~102Pa。
Controlling the vacuum degree in phase transformation chamber 30 is 10-3Pa~10-1Pa, to reduce the phase transition temperature of liquid phase-change working medium, just
Circulating vaporization and condensation in liquid phase-change working medium, so that it is further ensured that the temperature uniformity on cookware bottom and top, thus
Guarantee the temperature uniformity at each position of entire cookware.Certainly, the vacuum degree in phase transformation chamber 30 is not limited to above-mentioned specific value range,
It can designed, designed according to the actual situation.
Preferably, inner casing 10 and shell 20 are all made of stainless steel plate or aluminium alloy plate punch forming, and stainless steel plate or aluminium close
The thickness range of golden plate is 0.6mm~2.5mm.
Using stainless steel plate or aluminium alloy plate punch forming inner casing 10 and shell 20, not only guaranteed the molding effect of cookware, but also
Guarantee the heating conduction of cookware；It uses thickness range for the stainless steel plate of 0.6mm~2.5mm or aluminium alloy plate, both guarantees cookware
Intensity, and guarantee cookware heating conduction.
Preferably, as shown in Fig. 2, the width range of phase transformation chamber 30 is 1.5mm~4mm；Wherein, the width of phase transformation chamber 30 is
The gap width formed between the outside wall surface of inner casing 10 and the inner wall of shell 20.
Preferably, as shown in Figure 1, the gap width between the outside wall surface of inner casing 10 and the inner wall of shell 20 keeps basic
Unanimously.
It is further preferred that the thickness of porous foam metal part 40 is adapted with the width of phase transformation chamber 30, porous foam gold
The average pore size for belonging to part 40 is 0.2mm~0.4mm, and porosity is 70%~90%.
Certainly, the average pore size and porosity of above-mentioned porous foam metal part 40 are not limited to above-mentioned specific limit value, can root
It is voluntarily selected according to actual conditions；Preferably, porous foam metal part 40 uses porous foam copper or Porous foam aluminimun, is cut into item
Shape is made.
In some embodiments of the utility model, liquid phase-change working medium is water, ammonia or n-hexane.In this way to cookware
Bottom is heated, (such as temperature after temperature of cookware bottom increases to certain temperature>100 DEG C), the bottom of close in phase transformation chamber 30
It is gas that liquid refrigerant at portion position, which can vaporize volatilization, and along between the water conservancy diversion between two neighboring porous foam metal part 40
Gap 50 is transmitted to the condensation end in phase transformation chamber 30 close to top, at the same time being effectively conducted along with heat, so that close to cookware
The position of its open end is heated, and the phase-change working substance after being cooled occurs condensation and is changed into liquid again, and liquid adsorption is more
In hole in hole foam metal part 40, and the bottom of phase transformation chamber 30 is flow to along porous foam metal part 40 under the effect of gravity,
Then re-evaporation after being heated again, the heating condensation process constantly move in circles, so that it is guaranteed that entire each position of cookware is being heated
Temperature field after several minutes is consistent (such as the temperature difference can be controlled at ± 4 DEG C) substantially, that is, guarantees each spot temperature of entire cookware
Be evenly distributed state, finally realizes that the cookware surface has the non-sticky effect of good physics when cooking.
The kitchen appliance of the utility model embodiment is briefly described below.
Kitchen appliance according to the utility model embodiment may include the cookware of above-described embodiment, due to practical according to this
The kitchen appliance of new embodiment is provided with above-mentioned cookware, therefore the kitchen appliance can be substantially reduced the generation for phenomenon of being burned.
Kitchen appliance according to the utility model embodiment may include electric cooker, electric pressure cooking saucepan and electromagnetic oven, but unlimited
In this.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combination and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (18)
1. a kind of cookware, which is characterized in that including：
Inner casing and the shell being connected with the inner casing, limit between the inner casing and the shell for accommodating liquid phase-change work
The phase transformation chamber of matter；
Liquid phase-change working medium, the liquid phase-change working medium setting are intracavitary in the phase transformation；
The wherein surface of the volume V1 of the liquid phase-change working medium and the outer peripheral surface part for being located at the intracavitary inner casing of the phase transformation
The ratio of product S meets：V1/S=1/5000-1/100.
2. cookware according to claim 1, which is characterized in that the ratio further satisfaction of the V1 and S：V1/S=1/
3000-1/100。
3. cookware according to claim 2, which is characterized in that the ratio further satisfaction of the V1 and S：V1/S=1/
3000-1/500。
4. cookware according to claim 1, which is characterized in that the maximum volume of the liquid phase-change working medium is the phase transformation
The 1/20-1/3 of the volume of chamber.
5. cookware according to claim 4, which is characterized in that the maximum volume of the liquid phase-change working medium is the phase transformation
The 1/15-1/4 of the volume of chamber.
6. cookware according to claim 5, which is characterized in that the maximum volume of the liquid phase-change working medium is the phase transformation
The 1/15-1/5 of the volume of chamber.
7. cookware according to claim 1, which is characterized in that the intracavitary vacuum degree of the phase transformation is 10-2Pa-102Pa。
8. cookware according to claim 1, which is characterized in that the inner casing inner wall of the inner casing includes and the phase transformation chamber
The corresponding phase transformation chamber in position corresponds to wall surface, wherein the phase transformation chamber corresponds at least part regional structure of wall surface as no nonstick layer
Region.
9. cookware according to claim 8, which is characterized in that the phase transformation chamber corresponds to wall surface and includes：It is suitable for and heating source
The heat source face region of face and the non-face region of heat source, wherein described, to be stained with layer region invariably include the non-face area of the heat source
Domain.
10. cookware according to claim 9, which is characterized in that antistick layer is arranged in heat source face region.
11. cookware according to claim 10, which is characterized in that the phase transformation chamber corresponds to wall surface and includes：Phase transformation chamber is corresponding
Wall surface and phase transformation chamber correspond to peripheral wall surfaces, and the phase transformation chamber corresponds to wall surface and constitutes heat source face region, the phase transformation chamber
Corresponding peripheral wall surfaces constitute the non-face region of heat source.
12. cookware according to claim 8, which is characterized in that the phase transformation chamber corresponds to wall surface and includes：First temperature region
With second temperature region, the temperature of first temperature region is suitable for being greater than the second temperature area when the cookware is heated
The temperature in domain, wherein described, to be stained with layer region invariably include the second temperature region.
13. cookware according to claim 12, which is characterized in that antistick layer is arranged in first temperature region.
14. cookware according to claim 13, which is characterized in that the phase transformation chamber corresponds to wall surface and includes：Phase transformation chamber is corresponding
Wall surface and phase transformation chamber correspond to peripheral wall surfaces, and the phase transformation chamber corresponds to wall surface and constitutes first temperature region, the phase transformation chamber
Corresponding peripheral wall surfaces constitute the second temperature region.
15. cookware according to claim 12, which is characterized in that first temperature region and the second temperature region
The temperature difference be 0 ° -8 °.
16. cookware according to claim 8, which is characterized in that the phase transformation chamber corresponds to wall surface and includes：Phase transformation chamber corresponds to bottom
Wall surface and phase transformation chamber correspond to peripheral wall surfaces, and described without non-sticky layer region includes that the phase transformation chamber corresponds to peripheral wall surfaces, the phase transformation chamber pair
Answer wall surface that antistick layer is set；Or
The phase transformation chamber corresponds to wall surface and includes：Phase transformation chamber corresponds to wall surface and phase transformation chamber corresponds to peripheral wall surfaces, and the phase transformation chamber is corresponding
It is described without non-sticky layer region that peripheral wall surfaces and the phase transformation chamber, which correspond to wall surface,；Or
The inner casing inner wall overall construction is described without non-sticky layer region.
17. cookware according to claim 8, which is characterized in that the inner casing is the ball kettle shape of evagination.
18. a kind of kitchen appliance, which is characterized in that including cookware described according to claim 1 any one of -17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720543627.0U CN208144885U (en) | 2017-05-12 | 2017-05-12 | Cookware and kitchen appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720543627.0U CN208144885U (en) | 2017-05-12 | 2017-05-12 | Cookware and kitchen appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208144885U true CN208144885U (en) | 2018-11-27 |
Family
ID=64412100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720543627.0U Active CN208144885U (en) | 2017-05-12 | 2017-05-12 | Cookware and kitchen appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208144885U (en) |
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2017
- 2017-05-12 CN CN201720543627.0U patent/CN208144885U/en active Active
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