CN108125547B - Samming pot containing liquid absorbing cores with different apertures - Google Patents
Samming pot containing liquid absorbing cores with different apertures Download PDFInfo
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- CN108125547B CN108125547B CN201611093446.9A CN201611093446A CN108125547B CN 108125547 B CN108125547 B CN 108125547B CN 201611093446 A CN201611093446 A CN 201611093446A CN 108125547 B CN108125547 B CN 108125547B
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/24—Warming devices
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Cookers (AREA)
Abstract
The invention relates to a temperature equalizing pot containing liquid absorbing cores with different apertures, which comprises an inner pot and an outer pot, wherein the upper ends of the inner pot and the outer pot are connected in a sealing way, and a vacuum cavity is arranged between the inner pot and the outer pot; the vacuum cavity is internally provided with a liquid suction core and a liquid phase change working medium which can be converted from a liquid state into a gas state when heated, the liquid suction core is at least one layer, and the average pore diameter of one side close to the inner layer pot is larger than that of one side close to the outer layer pot. The average pore diameter of one side of the liquid suction core, which is close to the inner layer pot, is larger than that of one side of the liquid suction core, so that the suction pressure can be increased, the cooled liquid phase change working medium at the upper part of the pot can be quickly absorbed to the liquid suction core, meanwhile, the flow resistance of the liquid phase change working medium is reduced, the temperature difference of the inner layer pot at each position along the liquid suction core and flowing downwards to the heat source position at the bottom of the pot can be realized within +/-5 ℃, and the good physical non-sticky effect of food in the pot in the heating process can be realized.
Description
Technical Field
The invention relates to a soaking pot with liquid absorbing cores with different apertures, and belongs to the field of soaking pots.
Background
At present, the inner container of the electric cooker or the pressure cooker is generally made of an aluminum alloy or an aluminum alloy/stainless steel composite plate, and the non-stick effect of the surface of the inner aluminum is realized by spraying PTFE (Teflon) and other non-stick coatings on the surface of the inner aluminum. However, these non-stick coatings have poor wear resistance and are easy to fall off, and after being absorbed by human bodies, potential safety hazards can be generated to the health of consumers. At present, the Shenzhen Tang electric appliance and other companies develop healthy uncoated inner liner pot heated by the electric heating disc, and particularly the pot temperature is controlled so as to achieve a certain physical non-stick effect. Because of the influence of the uniformity of the heating temperature distribution of the inner pot, when the bottom of the non-coated pot is heated intensively, the physical non-stick effect of the pot bottom is poor, rice is easy to stick to the pot bottom, and the paste at the position is difficult to clean.
Disclosure of Invention
The invention aims to solve the technical problem of providing a temperature equalizing pot with a multilayer liquid absorption core, and overcomes the defects that in the prior art, in order to prevent uneven heating temperature distribution, coating is not adhered to prevent the pot from being adhered to, potential safety hazards exist, heat cannot be effectively utilized, and the temperature distribution of an inner pot without a coating is uneven, so that the pot is easy to be burnt.
The technical scheme for solving the technical problems is as follows: the temperature equalizing pot comprises an inner pot and an outer pot, wherein the upper ends of the inner pot and the outer pot are connected in a sealing way, and a vacuum cavity is arranged between the inner pot and the outer pot; the vacuum cavity is internally provided with a liquid suction core and a liquid phase change working medium which can be converted from a liquid state into a gas state when heated, the liquid suction core is at least one layer, and the average pore diameter of one side, close to the inner layer pot, of the liquid suction core is larger than the average pore diameter of one side, close to the outer layer pot.
The beneficial effects of the invention are as follows: according to the invention, as the average pore diameter of the side, close to the inner layer pot, of the liquid suction core is larger than the average pore diameter of the side, close to the outer layer pot, of the liquid suction core, the suction pressure can be increased, the cooled liquid phase-change working medium at the upper part of the pot can be quickly absorbed to the liquid suction core, meanwhile, the flow resistance of the liquid phase-change working medium is reduced, the liquid suction core can flow downwards to the heat source position at the bottom of the pot at a higher speed, the process can quickly generate cyclic change from liquid state to gas state to liquid state along with the liquid phase-change working medium, and heat is quickly converted, so that good conduction of heat on the inner surface of the pot body can be realized, good temperature uniformity distribution of different positions of the pot body in the whole heating process can be realized, the temperature difference of all positions of the inner layer pot can be within +/-5 ℃, and good physical non-sticky effect of food in the pot can be realized in the heating process.
On the basis of the technical scheme, the invention can be improved as follows.
The invention relates to a temperature equalizing pot with liquid absorbing cores with different apertures, which is characterized in that the average aperture of one side of the liquid absorbing core close to the inner pot is 1-3 mm; the average pore diameter of one side close to the outer layer pot is 0.1-0.5 mm. That is, when the liquid absorbing core is a layer, the average pore diameter of the liquid absorbing core can be gradually reduced from one side close to the inner layer pot to one side close to the outer layer pot, or the average pore diameter of one side close to the inner layer pot is larger than the average pore diameter of one side close to the outer layer pot by taking the middle of the thickness as a reference, and the average pore diameter of the middle position is positioned between the inner side and the outer side.
The liquid absorption core is formed by two layers, the average pore diameter of one layer close to one side of the inner layer pot is 1-3 mm, and the average pore diameter of one layer close to one side of the outer layer pot is 0.1-0.5 mm; the thickness of each layer is 1-3 mm.
The liquid absorption core is three layers, the average pore diameter of one layer close to one side of the inner layer pot is 1-3 mm, and the average pore diameter of one layer close to one side of the outer layer pot is 0.1-0.5 mm; the average pore diameter of the middle layer is positioned between the average pore diameters of the inner layer and the outer layer; the thickness of each layer is 1-3 mm.
The adoption of the method has the further beneficial effects that: the average pore diameter of the side, close to the inner layer pot, of the liquid suction core is set to be larger than that of the side, close to the outer layer pot; the large capillary suction pressure can be provided through the pore network close to the inner surface of the outer layer pot, so that the cooled liquid phase change working medium on the upper part of the pot is quickly absorbed to the top of the liquid suction core, and then flows down to the heat source position of the bottom of the pot along the liquid suction core quickly through the coarse pore network close to the inner layer pot, and the effect of uniform temperature of the pot body can be quickly realized in a reciprocating mode.
The invention relates to a temperature equalizing pot with different pore diameter liquid absorbing cores, which is characterized in that the average pore diameter of the liquid absorbing cores gradually increases from one side close to the outer layer pot to one side close to the inner layer pot.
The adoption of the method has the further beneficial effects that: the liquid can quickly flow downwards from the side close to the inner pot to the bottom of the vacuum cavity.
The invention relates to a temperature equalizing pot containing liquid absorbing cores with different apertures, which is characterized in that more than two layers of liquid absorbing cores are arranged in a close overlapping way, and the thickness of each layer of liquid absorbing cores is 1-3 mm. The thickness range can be properly adjusted according to the number of layers and the thickness of the vacuum cavity, so that the inner side and the outer layer are respectively corresponding to the inner layer pot and the outer layer pot to be tightly attached, and the inner layer pot and the outer layer pot can be integrally manufactured.
The invention relates to a temperature equalizing pot containing liquid absorbing cores with different apertures, which is characterized in that the liquid absorbing cores are porous foam metal net layers or porous foam metal net strips.
The invention relates to a temperature equalizing pot with liquid absorbing cores with different apertures, which is characterized in that more than two layers of porous foam metal net strips are arranged, and the porous foam metal net strips are uniformly distributed or spirally distributed on the circumference between the side walls of the inner pot and the outer pot. The arrangement mode can further improve the temperature equalizing speed.
The invention relates to a temperature equalizing pot with liquid absorbing cores with different apertures, and further, the orthographic projection of the porous foam metal net strip in the vertical direction is in a strip-shaped rectangle, trapezoid structure or triangle.
The invention relates to a temperature equalizing pot containing liquid absorbing cores with different apertures, which is characterized in that 3-24 porous foam metal net strips are arranged.
The invention relates to a temperature equalizing pot with liquid absorbing cores with different apertures, which is characterized in that two sides of the liquid absorbing cores are clung to an inner pot and an outer pot.
The temperature equalizing pot with the liquid absorbing cores with different apertures further comprises a porous foam metal net layer, wherein the porous foam metal net layer is a porous foam copper net, a porous foam aluminum net or a porous foam nickel net; the porous foam metal net strip is a porous foam copper strip, a porous foam aluminum strip or a porous foam nickel strip.
The porosity of each layer of the temperature equalizing pot containing the liquid absorbing cores with different apertures is 70-90%.
Drawings
FIG. 1 is a schematic view of a longitudinal cross-sectional structure of a soaking pot with different pore diameter liquid absorbing cores according to the present invention;
FIG. 2 is a schematic cross-sectional view of one embodiment taken along the direction of FIG. 1 A-A;
FIG. 3 is a schematic cross-sectional view of the direction of FIG. 1A-A in another embodiment;
fig. 4 is a schematic cross-sectional view in the direction of fig. 1A-A in a third embodiment.
In the drawings, the list of components represented by the various numbers is as follows:
1. the inner layer pot 2, the outer layer pot 3, the metal pipe 4, the vacuum cavity 5, the liquid phase change working medium 6, the liquid suction core 61, the outer layer 62, the inner layer 63 and the middle layer.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
As shown in fig. 1 to 3, a temperature equalizing pot with different pore diameter liquid absorbing cores in an embodiment of the invention comprises an inner pot 1 and an outer pot 2, wherein the inner pot 1 and the outer pot 2 can be the same in shape, and the inner pot is positioned in the outer pot; the upper ends of the inner layer pot 1 and the outer layer pot 2 are in sealing connection (the top ends of the inner layer pot 1 and the outer layer pot 2 are horizontally extended outwards to form a turned edge, the two turned edges are in sealing pressing fit, and the upper ends are also in sealing connection), and a vacuum cavity 4 is arranged between the two; the vacuum cavity 4 is internally provided with a liquid suction core 6 and a liquid phase change working medium which can be converted from a liquid state to a gas state when heated, the liquid suction core is at least one layer, and the average pore diameter of one side, close to the inner layer pot, is larger than that of one side, close to the outer layer pot.
In some embodiments, the wick 6 comprises one or two layers of porous expanded metal strips laminated together; the average pore size of the expanded metal layer or expanded metal strips near the inner layer pan 1 is larger than the average pore size of the expanded metal layer or expanded metal strips near the outer layer pan 2. The vacuum chamber 4 of the invention is internally provided with a porous foam metal net layer or a porous foam metal net strip close to the aperture of big mesh (coarse mesh) of the inner potOnly can raise suction pressure, make the upper portion of the pan be absorbed to the liquid suction core by the cooled liquid phase change working medium 5 fast, reduce the flow resistance of the liquid phase change working medium 5 at the same time, can the appearance fast speed flow down to the heat source position of the bottom of the pan along the liquid suction core, this process takes place "liquid state- & gt gaseous- & gt liquid state" cyclic variation fast along with the phase change working medium, and accompanied with the rapid transition of heat, thus can realize the good conduction of heat in the inner surface of the pan, thus realize the pan body different positions have good temperature uniformity distribution in the whole heating process, the temperature difference of the inner layer pan 1 everywhere can meet within + -5 ℃, make the food in the pan realize good physical non-stick effect in the heating process. In the embodiment of the invention, the upper part of the outer layer pot 2 is provided with a vacuumizing hole, the vacuumizing hole can be hermetically connected with a metal pipe 3, the vacuum cavity can be vacuumized through the metal pipe 3, and the vacuum degree can be 10 generally -3 ～10 - 1 Pa。
In some embodiments of the invention, the average pore size of the side of the wick near the inner layer pan is 1-3 mm; the average pore diameter of one side close to the outer layer pot is 0.1-0.5 mm. The structure can realize good temperature equalizing effect and improve the temperature equalizing speed.
In another embodiment, the average pore size of the wick increases gradually from the side near the outer layer pan to the side near the inner layer pan, so that the flow rate near the inner layer can be increased.
In another specific example, the liquid absorbing core may be a porous metal foam mesh layer or a porous metal foam mesh strip, and the porous metal foam mesh layer or the porous metal foam mesh strip is 2-5 strips, for example, may be two layers, as shown in fig. 2, or may be three layers, as shown in fig. 3, and the three layers specifically include an inner layer, an intermediate layer and an outer layer, the pore diameter of the intermediate layer is located between the inner layer 62 and the outer layer 61, and the average pore diameter of the intermediate layer is located between the inner layer and the outer layer; or 4 layers, each of which has a pore size that decreases progressively more from the inner layer 62 to the outer layer 61. According to an embodiment or example of the present invention, the thickness of each layer of the porous metal foam gauze layer or the porous metal foam gauze strip is 1 to 3mm. If one layer is present, the portion of the wick adjacent to the inner layer pan 1 has a larger pore size than the portion of the wick adjacent to the outer layer pan 2, and the intermediate pore size may be in a gradual transition. As shown in fig. 4, the thickness of one layer can be gradually, uniformly and excessively reduced from the side close to the inner layer pot 1 to the side close to the outer layer pot.
According to the embodiment of the invention, the liquid suction core comprises at least two layers of porous foam metal net strips, wherein the number of the porous foam metal net strips is 3-24, and the number of the porous foam metal net strips can be reasonably set according to the diameter of the inner pot and the width and interval of the porous foam metal net strips; the porous foam metal net strips are distributed radially or spirally along the center of the pot, namely are uniformly arranged in an annular vacuum cavity, or spirally encircle the vacuum cavity, and the two sides of the porous foam metal net strips are respectively and tightly attached to the inner pot layer and the outer pot layer, so that the arrangement mode can further improve the temperature equalizing speed.
In a specific embodiment, the orthographic projection of the porous foam metal net strip in the vertical direction is a strip rectangle, a trapezoid structure or a triangle, and other shapes which are favorable for capillary absorption to the top of the liquid suction core and then backflow to the bottom of the vacuum cavity can be specifically designed.
The porous foam metal net layer can be a porous foam copper net, a porous foam aluminum net or a porous foam nickel net; the porous foam metal net strip is a porous foam copper strip, a porous foam aluminum strip or a porous foam nickel strip.
Example 1
As shown in figure 2, the temperature equalizing pot with the liquid absorbing cores with different apertures comprises an inner pot and an outer pot which are identical in shape and different in volume, wherein the inner pot and the outer pot are made of stainless steel, the upper ends of the inner pot and the outer pot are connected in a sealing way, and a vacuum cavity is arranged between the inner pot and the outer pot; the vacuum cavity is internally provided with a liquid suction core and a liquid phase change working medium, and the liquid phase change working medium is water; the wick comprises two layers (i.e., an inner layer 61 and an outer layer 62) of porous foam copper strips laminated together; the porous foam copper strips are in a rectangular strip shape, the specific number of the porous foam copper strips can be 12, the porous foam copper strips are distributed radially along the center of the pot, the thickness of each layer is 1.5mm, and the porosity of each layer is 85%; the thickness of the inner layer 61, the middle layer 63 and the outer layer 62 is 1mm, and the inner layer is tightly attached to the inner layer pot; the outer layer is tightly attached to the outer layer pot.
Example 2
As shown in figure 3, the temperature equalizing pot with the liquid absorbing cores with different apertures comprises an inner pot and an outer pot which are identical in shape and different in volume, wherein the inner pot and the outer pot are made of stainless steel, the upper ends of the inner pot and the outer pot are connected in a sealing way, and a vacuum cavity is arranged between the inner pot and the outer pot; the vacuum cavity is internally provided with a liquid suction core and a liquid phase change working medium, and the liquid phase change working medium is water; the wick comprises 3 layers (i.e., inner layer 61, middle layer 63, and outer layer 62) of porous foam copper strips laminated together; the porous foam copper strips are rectangular strips, the specific number of the strips can be 12, the porous foam copper strips are distributed radially along the center of the pot, the thickness of each layer is 1mm, and the porosity of each layer is 85%; the thickness of the inner layer 61, the middle layer 63 and the outer layer 62 is 1mm, and the inner layer is tightly attached to the inner layer pot; the outer layer is tightly attached to the outer layer pot.
Using example 1 above, the effect of different layer pore diameters of the wick on the soaking speed was tested and is shown in table 1.
Comparative examples 1 and 2 and examples 1 to 8, wherein the porous metal foam net strips specifically provided on the side close to the outer layer pot had an average pore diameter of 0.1 to 0.5mm; the average pore diameter of the porous foam metal net layer or the porous foam metal net strip close to one side of the inner pot is 1-3 mm, the specific setting parameters are shown in table 1, and comparative example 3 is a pot without a liquid absorption core in the structure; the specific test comprises the following steps: and (5) heating the same amount of water by using the same pot and an electromagnetic oven with the same power to evaluate the time for obtaining the uniform temperature.
Table 1. The effect of different layer pore diameters of the wick on the soaking speed was tested.
According to the invention, through accurately controlling the temperature field of the stainless steel inner pot, the influence of the pore diameters of different layers of the liquid absorption core on the temperature equalizing speed is tested, and the specific parameters of the pore diameters of different layers of the liquid absorption core have obvious influence on the temperature equalizing speed, and the temperature can be uniformly reached in 5.2 minutes after the measurement.
In the description of the present invention, it should be understood that the terms "center," "length," "width," "thickness," "upper," "lower," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (10)
1. The temperature equalizing pot comprises an inner pot and an outer pot, wherein the upper ends of the inner pot and the outer pot are in sealing connection, a vacuum cavity is arranged between the inner pot and the outer pot, the top ends of the inner pot and the outer pot are horizontally and outwards extended to form a flanging, and the two flanging are sealed and pressed; the vacuum cavity is internally provided with a liquid suction core and a liquid phase change working medium which can be converted from a liquid state to a gaseous state when heated, and the vacuum cavity is characterized in that the liquid suction core is at least one layer, and the average pore diameter of one side, close to the inner layer pot, is larger than that of one side, close to the outer layer pot.
2. The temperature equalizing kettle containing the liquid absorbing cores with different pore diameters according to claim 1, wherein the average pore diameter of one side of the liquid absorbing core, which is close to the inner layer kettle, is 1-3 mm; the average pore diameter of one side close to the outer layer pot is 0.1-0.5 mm.
3. A temperature equalizing kettle containing liquid absorbing cores with different pore diameters as in claim 1, wherein the average pore diameter of the liquid absorbing cores gradually increases from the side close to the outer kettle to the side close to the inner kettle.
4. The temperature equalizing pot containing the liquid absorbing cores with different apertures according to claim 1, wherein the liquid absorbing cores are of more than two layers and are arranged in a close overlapping mode, and the thickness of each layer of liquid absorbing core is 1-3 mm.
5. A temperature equalizing kettle containing liquid absorbing cores with different pore diameters according to any one of claims 1 to 4, wherein the liquid absorbing cores are porous foam metal net layers or porous foam metal net strips.
6. The temperature equalization pot with different pore size wick according to claim 5, wherein the porous metal foam net strips are more than two layers, and the porous metal foam net strips are uniformly distributed or spirally distributed on the circumference between the side walls of the inner pot and the outer pot.
7. The temperature equalizing kettle containing the liquid absorbing cores with different pore diameters according to claim 6, wherein the orthographic projection of the porous foam metal net strips on the vertical plane is a strip rectangle, a trapezoid structure or a triangle.
8. The temperature equalization pot with different pore size wick according to claim 6, wherein the porous foam metal net strip is 3-24.
9. A temperature equalizing kettle containing liquid absorbing cores with different pore diameters according to any one of claims 1 to 4 and 6 to 8, wherein the two sides of the liquid absorbing cores are closely attached to the inner layer kettle and the outer layer kettle.
10. The temperature equalizing kettle containing the liquid absorbing cores with different pore diameters according to claim 5, wherein the porous foam metal net layer is a porous foam copper net, a porous foam aluminum net or a porous foam nickel net; the porous foam metal net strip is a porous foam copper strip, a porous foam aluminum strip or a porous foam nickel strip.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611093446.9A CN108125547B (en) | 2016-12-01 | 2016-12-01 | Samming pot containing liquid absorbing cores with different apertures |
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| CN201611093446.9A CN108125547B (en) | 2016-12-01 | 2016-12-01 | Samming pot containing liquid absorbing cores with different apertures |
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| CN108125547A (en) | 2018-06-08 |
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