CN206979307U - Pan - Google Patents

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Publication number
CN206979307U
CN206979307U CN201621309686.3U CN201621309686U CN206979307U CN 206979307 U CN206979307 U CN 206979307U CN 201621309686 U CN201621309686 U CN 201621309686U CN 206979307 U CN206979307 U CN 206979307U
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CN
China
Prior art keywords
pot
hollow cavity
pan
inner casing
porous foam
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Active
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CN201621309686.3U
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Chinese (zh)
Inventor
李康
曹达华
杨玲
李洪伟
李宁
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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
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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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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Food Science & Technology (AREA)
  • Cookers (AREA)
  • Thermally Insulated Containers For Foods (AREA)

Abstract

The utility model provides a kind of pan, including：Pot inner casing, pot shell, porous foam metal part and liquid phase-change working medium, wherein, pot shell is set on the outside of pot inner casing, and welds to form closed hollow cavity with pot inner casing, and hollow cavity is vacuum cavity；Porous foam metal part is located on the lateral wall of pot inner casing and/or the madial wall of pot shell, and has water conservancy diversion gap between adjacent porous foam metal part；Liquid phase-change working medium is located at the bottom position of hollow cavity, and can volatilize and condense along the hole in porous foam metal part.Above-mentioned technical proposal, when being heated to pan bottom, circulating vaporization that can be by liquid phase-change working medium and condensation, the heat of pan bottom is conducted to pan top, so that it is guaranteed that the uniformity of each spot temperature of whole pan, finally realizes pan surface when cooking with the good non-sticky effect of physics.

Description

Pan
Technical field
Household appliance technical field is the utility model is related to, more specifically, is related to a kind of pan.
Background technology
The interior pot of existing electric cooker, electric pressure cooking saucepan, the internal layer of pot sprays the not stickness paint such as fluororesin including using mostly, To realize the non-sticky effect of rice during cooking, but the anti-wear performance of these non-sticky coatings is poor, adhesion is not ideal enough, the longevity Order relatively limited, be easier obscission occur, and after being absorbed by the body, safety may be caused to the health of consumer Hidden danger.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art.
Therefore, the purpose of this utility model is, there is provided in a kind of guarantee pot surface when cooking with good physics Non-sticky effect, and the pan of potential safety hazard will not be caused to the health of user.
To achieve the above object, embodiment of the present utility model provides a kind of pan, including：Pot inner casing；Outside pot Shell, the outside of the pot inner casing is set in, and welds to form closed hollow cavity with the pot inner casing, the middle cavity Body is vacuum cavity；Porous foam metal part, it is located at the lateral wall of the pot inner casing and/or the madial wall of the pot shell On, and there is water conservancy diversion gap between the adjacent porous foam metal part；With liquid phase-change working medium, positioned at the hollow cavity Bottom position, and can volatilize and condense along the hole in the porous foam metal part.
Preferably, multiple porous foam metal parts are radially distributed, with the adjacent porous foam metal part Between form the water conservancy diversion gap.
The pan that the utility model above-described embodiment provides, it is a kind of non-sticky using the uncoated physics of double-decker Pot, the hollow cavity of vacuum is formed between the pot inner casing and pot shell of pan, close to the opening position on top in hollow cavity Provided with the porous foam metal part being radially distributed, it is bonded in such as porous foam metal part in the outside wall surface of pot inner casing, in Opening position injection in cavity body close to bottom has liquid phase-change working medium (such as water, ammonia or n-hexane), so to pan Bottom is heated, (such as temperature after temperature of pan bottom increases to certain temperature>100 DEG C), the bottom of close in hollow cavity It is gas that the liquid refrigerant of portion's opening position, which can vaporize volatilization, and along the water conservancy diversion gap between two neighboring porous foam metal part The condensation end on close top in hollow cavity is transmitted to, at the same time being effectively conducted along with heat so that its openend of pan Position be heated, and phase-change working substance after being cooled occurs condensation and is changed into liquid again, and liquid adsorption is in porous foam gold Belong in the hole in part, and flow to the bottom of hollow cavity along porous foam metal part under gravity, be then heated again Re-evaporation afterwards, the heating condensation process constantly move in circles, so that it is guaranteed that temperature of the whole each position of pan after heating several minutes Degree field is consistent (such as the temperature difference can be controlled at ± 4 DEG C) substantially, that is, ensures each spot temperature of whole pan in a uniform distribution State, finally realize the pan surface when cooking with the good non-sticky effect of physics；And above-mentioned pan, it is not necessary in pot The not stickness paint such as surface spraying fluororesin of tool, thus effectively prevent because the anti-wear performance of non-sticky coating is poor, adhesion not It is enough preferable, the life-span is shorter, easy to fall off and influence non-sticky effect and service life of the pan when cooking, and effectively prevent non-sticky After coating is absorbed by the body, potential safety hazard is caused to the health of user.
In addition, the pan that the utility model above-described embodiment provides also has following additional technical feature：
In the above-mentioned technical solutions, it is preferable that the boiler port of the pot inner casing turns over provided with the first annular of outward bending Side, the boiler port of the pot shell are provided with the second annular flange of outward bending, the first annular flange and described second Annular flange airtight connection, to form the closed hollow cavity between the pot inner casing and the pot shell.
Preferably, the first annular flange and the second annular flanging welded are integral.
By the sealed connection of first annular flange and the second annular flange, as used welding procedure by pot inner casing The second annular flanging welded sealing on first annular flange and pot shell, it is ensured that it is fully sealed between weld seam and seamless, it is excellent Selection of land, sanding and polishing is carried out to face of weld after welding, closed hollow cavity is formed between pot inner casing and pot shell.
In the above-mentioned technical solutions, it is preferable that offer connection at the upper position of the outer side surface of the pot shell Mouthful, it is provided with the connector and is used for the closed metal tube connected of the hollow cavity, the metal tube to the middle cavity Liquid phase-change working medium described in the bottom injection of body, and the air in the hollow cavity is discharged by the metal tube.
Connector (such as a diameter of 3mm or so aperture) is opened up in opening position of the pot shell close to top, is inserted into Welded seal is carried out with the metal tube (such as metal hollow copper pipe) of diameter, then by metal tube and the contact position of pot wall, realizes gold Category pipe connects with the closed of hollow cavity, with the bottom injection liquid phase-change working medium by the metal tube to hollow cavity, side by side Except the air in hollow cavity, make to keep vacuum state in hollow cavity.
In the above-mentioned technical solutions, it is preferable that the vacuum in the hollow cavity is 10-3Pa~10-1Pa。
It is 10 to control the vacuum in hollow cavity-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 as to be further ensured that the temperature homogeneity of pan bottom and top, so as to Ensure the temperature homogeneity at each position of whole pan.Certainly, the vacuum in hollow cavity is not limited to above-mentioned concrete numerical value scope, Can be according to actual conditions designed, designed.
In the above-mentioned technical solutions, it is preferable that the pot inner casing and the pot shell use stainless steel plate or aluminium The thickness range of alloy sheets punch forming, the stainless steel plate or the aluminium alloy plate is 0.6mm~2.5mm.
Using stainless steel plate or aluminium alloy plate punch forming pot inner casing and pot shell, the shaping effect of pan was both ensured Fruit, ensure the heat conductivility of pan again；Thickness range is used both to ensure for 0.6mm~2.5mm stainless steel plate or aluminium alloy plate The intensity of pan, ensure the heat conductivility of pan again.
In the above-mentioned technical solutions, it is preferable that the width range of the hollow cavity is 1.5mm~4mm；Wherein, it is described The gap that the width of hollow cavity is formed between the outer side surface of the pot inner casing and the interior sidewall surface of the pot shell Width.
Preferably, the gap width between the interior sidewall surface of the outer side surface of pot inner casing and pot shell keeps basic one Cause.
In the above-mentioned technical solutions, it is preferable that the thickness of the porous foam metal part and the width of the hollow cavity It is adapted, the average pore size of the porous foam metal part is 0.2mm~0.4mm, and porosity is 70%~90%.
Certainly, the average pore size of above-mentioned porous foam metal part and porosity are not limited to above-mentioned specific limit value, can basis Actual conditions are voluntarily selected；Preferably, the porous foam metal part uses porous foam copper or Porous foam aluminimun, cuts into bar Shape is made.
In the above-mentioned technical solutions, it is preferable that the porous foam metal part is porous foam copper piece or Porous foam aluminimun Part.
In the above-mentioned technical solutions, it is preferable that the liquid phase-change working medium is water, ammonia or n-hexane.
Certainly, the porous foam metal part can also be other foam metal parts, and the liquid phase-change working medium can also For other liquid phase-change working medium, without departing from design concept of the present utility model, in the scope of protection of the utility model.
Additional aspect and advantage of the present utility model will become obvious in following description section, or new by this practicality The practice of type is recognized.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment Become obvious and be readily appreciated that, wherein：
Fig. 1 is the cross section structure diagram of pan described in the utility model one embodiment；
Fig. 2 is the A-A of pan shown in Fig. 1 to cross section structure diagram；
Fig. 3 is the schematic process flow diagram of the preparation method of pan described in the utility model one embodiment；
Fig. 4 is the schematic process flow diagram of the preparation method of pan described in the utility model another embodiment.
Wherein, the corresponding relation in Fig. 1 and Fig. 2 between reference and component names is：
10 pot inner casings, 101 first annular flange, 20 pot shells, 201 second annular flange, 30 hollow cavities, more than 40 Hole foam metal part, 50 water conservancy diversion gaps, 60 metal tubes.
Embodiment
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and tool The utility model is further described in detail body embodiment.It should be noted that in the case where not conflicting, this Shen The feature in embodiment and embodiment please can be mutually combined.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality It is new to be different from mode described here using other and implement, therefore, the scope of protection of the utility model not by The limitation of following public specific embodiment.
1 to Fig. 4 description is according to the pan of the utility model some embodiments offer and the system of the pan with reference to the accompanying drawings Make method.
As depicted in figs. 1 and 2, some embodiments of the utility model provides a kind of pan, including：Pot inner casing 10, Pot shell 20, porous foam metal part 40 and liquid phase-change working medium (not shown).
Wherein, pot shell 20 is set in the outside of pot inner casing 10, and with the welding of pot inner casing 10 formed it is closed in Cavity body 30, hollow cavity 30 are vacuum cavity；Porous foam metal part 40 is located at the outer side surface and/or pot of pot inner casing 10 In the interior sidewall surface of body case 20, and there is water conservancy diversion gap 50 between two neighboring porous foam metal part 40；Liquid phase-change work Matter is located at the bottom position of hollow cavity 30, and can volatilize and condense along the hole in porous foam metal part 40.
Preferably, as shown in Fig. 2 multiple porous foam metal parts 40 are radially distributed, with adjacent porous foam gold Water conservancy diversion gap 50 is formed between category part 40.
The pan that the utility model above-described embodiment provides, it is a kind of non-sticky using the uncoated physics of double-decker Pot, the hollow cavity 30 of vacuum is formed between the pot inner casing 10 and pot shell 20 of pan, close to top in hollow cavity 30 Opening position be provided with the porous foam metal part 40 that is radially distributed, as porous foam metal part 40 is bonded in pot inner casing 10 Outside wall surface on, in hollow cavity 30 close to bottom opening position injection have liquid phase-change working medium (such as water, ammonia or n-hexane Deng), so heated to pan bottom, (such as temperature after temperature of pan bottom increases to certain temperature>100 DEG C), It is gas that liquid refrigerant in hollow cavity 30 close to bottom position, which can vaporize volatilization, and golden along two neighboring porous foam Water conservancy diversion gap 50 between category part 40 is transmitted to the condensation end on close top in hollow cavity 30, at the same time having along with heat Effect conduction so that it is heated close to the position of its openend of pan, and the phase-change working substance after being cooled occurs condensation and changed again For liquid, in hole of the liquid adsorption in porous foam metal part 40, and under gravity along porous foam metal part 40 The bottom of hollow cavity 30 is flow to, re-evaporation after being then heated again, the heating condensation process constantly moves in circles, so that it is guaranteed that Temperature field of the whole each position of pan after heating several minutes is consistent (such as the temperature difference can be controlled at ± 4 DEG C) substantially, that is, protects Each spot temperature of whole pan is demonstrate,proved to be evenly distributed state, finally realize the pan surface when cooking with good physics not It is stained with effect；And above-mentioned pan, it is not necessary in the not stickness paint such as surface spraying fluororesin of pan, thus effectively prevent because The anti-wear performance of non-sticky coating is poor, adhesion is not ideal enough, the life-span is shorter, easy to fall off and to influence pan non-sticky when cooking Effect and service life, and effectively prevent after stickness paint is not absorbed by the body, potential safety hazard is caused to the health of user.
In one embodiment of the present utility model, as shown in figure 1, the boiler port of pot inner casing 10 is provided with the of outward bending One annular flange 101, the boiler port of pot shell 20 are provided with the second annular flange 201 of outward bending, first annular flange 101 With the second annular airtight connection of flange 201, to form closed hollow cavity 30 between pot inner casing 10 and pot shell 20.
Preferably, first annular 101 and second annular flange 201 of flange is integrally welded.
By the sealed connection of first annular 101 and second annular flange 201 of flange, such as using welding procedure by pot The annular welded seal of flange 201 of second on first annular flange 101 and pot shell 20 on shell 10, it is ensured that between weld seam completely Sealing and it is seamless, it is preferable that after welding to face of weld carry out sanding and polishing, between pot inner casing 10 and pot shell 20 Form closed hollow cavity 30.
Further, as shown in figure 1, offering connector at the upper position of the outer side surface of pot shell 20, connection It is provided with mouthful and is used for the bottom injection liquid to hollow cavity 30 with the closed metal tube 60 connected of hollow cavity 30, metal tube 60 Phase-change working substance so that liquid phase-change working medium is deposited on the bottom of hollow cavity 30, and makes the air in hollow cavity 30 pass through gold Category pipe 60 is discharged.
Connector (such as a diameter of 3mm or so aperture) is opened up in opening position of the pot shell 20 close to top, is then inserted Enter the metal tube 60 (such as metal hollow copper pipe) of same diameter, then metal tube 60 and the contact position of pot wall be subjected to welded seal, Realize that metal tube 60 connects with the closed of hollow cavity 30, with the bottom injection liquid by the metal tube 60 to hollow cavity 30 Phase-change working substance, and the air in hollow cavity 30 is excluded, make to keep vacuum state in hollow cavity 30.
Preferably, the vacuum in hollow cavity 30 is 10-3Pa~10-1Pa。
It is 10 to control the vacuum in hollow cavity 30-3Pa~10-1Pa, to reduce the phase transition temperature of liquid phase-change working medium, It is easy to circulating vaporization and the condensation of liquid phase-change working medium, so as to be further ensured that the temperature homogeneity of pan bottom and top, from And ensure the temperature homogeneity at each position of whole pan.Certainly, the vacuum in hollow cavity 30 is not limited to above-mentioned concrete numerical value Scope, can be according to actual conditions designed, designed.
Preferably, pot inner casing 10 and pot shell 20 use stainless steel plate or aluminium alloy plate punch forming, stainless steel The thickness range of plate or aluminium alloy plate is 0.6mm~2.5mm.
Using stainless steel plate or aluminium alloy plate punch forming pot inner casing 10 and pot shell 20, the shaping of pan was both ensured Effect, ensure the heat conductivility of pan again；Thickness range is used both to be protected for 0.6mm~2.5mm stainless steel plate or aluminium alloy plate The intensity of pan is demonstrate,proved, ensures the heat conductivility of pan again.
Preferably, as shown in Fig. 2 the width range of hollow cavity 30 is 1.5mm~4mm；Wherein, the width of hollow cavity 30 The gap width formed is spent between the outer side surface of pot inner casing 10 and the interior sidewall surface of pot shell 20.
Preferably, as shown in figure 1, gap between the interior sidewall surface of the outer side surface of pot inner casing 10 and pot shell 20 Width keeps basically identical.
It is further preferred that the thickness of porous foam metal part 40 is adapted with the width of hollow cavity 30, porous foam The average pore size of metalwork 40 is 02mm~04mm, and porosity is 70%~90%.
Certainly, the average pore size of above-mentioned porous foam metal part 40 and porosity are not limited to above-mentioned specific limit value, can root Voluntarily selected according to actual conditions；Preferably, porous foam metal part 40 uses porous foam copper or Porous foam aluminimun, cuts into bar Shape is made.
The pan that the utility model above-described embodiment provides can be made of following preparation method, such as Fig. 3 and Fig. 4 institutes Show, comprise the following steps：
Step S10, make pot inner casing 10 and pot shell 20；
Step S20, porous foam metal is set on the lateral wall of pot inner casing 10 and/or the madial wall of pot shell 20 Part 40；
Step S30, pot shell 20 is set in the outside of pot inner casing 10, and is tightly connected and is formed with pot inner casing 10 Hollow cavity 30；
Step S40, the injection liquid phase-change working substance into hollow cavity 30 so that liquid phase-change working medium is deposited on hollow cavity 30 bottom, and the vacuum in hollow cavity 30 is reduced to preset value.
A kind of uncoated physics non-stick cooker of double-decker can be produced using above-mentioned preparation method, to pan bottom Circulating vaporization that can be by the liquid refrigerant positioned at the bottom of hollow cavity 30 when portion is heated and condensation, come pot effectively The heat of tool bottom is conducted to pan top, so that it is guaranteed that temperature field of the whole each position of pan after heating several minutes is protected substantially Hold it is consistent, finally realize the pan surface when cooking with the good non-sticky effect of physics, and the pan will not be to user Health cause potential safety hazard.
Further, as shown in figure 4, the step S40 is specifically included：
Step S402, connector is offered at the upper position of the outer side surface of pot shell 20, and at connector Airtight connection metal tube 60；
Step S404, by metal tube 60 into hollow cavity 30 injection liquid phase-change working substance, then to pot shell 20 Bottom heated so that liquid phase-change working medium vaporization volatilization, exclude hollow cavity 30 in air；
Step S406, using vavuum pump by metal tube 60, continue the vacuum in hollow cavity 30 being reduced to default Value；
Step S408, the external port of metal tube 60 is sealed under vacuum conditions.
Preferably, the preset value is 10-3Pa~10-1Pa。
During being vacuumized to hollow cavity 30, first pass through and pan bottom is heated so that in pan The vaporization volatilization of operative liquid phase-change working substance, so as to by the air in the hollow cavity 30 of pan and in porous foam metal part 40 Gradually exclude, make to reach low-pressure state (such as 10 in hollow cavity 301Pa~102Pa)；Then metal tube 60 is passed through using vavuum pump Continue the residual air in pan hollow cavity 30 carrying out pumping process so that the low vacuum condition of pore interior further carries Rise, ensure to reach near vacuum environment (such as 10 in the hollow cavity 30 of whole pan-3Pa~10-1Pa), and in vacuum environment Under, the outer end of the metal tube 60 on pot shell 20 is sealed, such as welded seal, so as to ensure the middle cavity of whole pan Body 30 maintains near vacuum environment, such as 10-3Pa~10-1Pa, to reduce the phase transition temperature of liquid phase-change working medium, it is easy to liquid phase Become circulating vaporization and the condensation of working medium, it is whole so as to ensure so as to be further ensured that the temperature homogeneity of pan bottom and top The temperature homogeneity at each position of pan.
Embodiment one：
Step S10, stainless sheet steel of the thickness for 1mm is used, the punch forming in mould 1 and mould 2, respectively as pot The pot inner casing 10 and pot shell 20 of tool, wherein, the annular flange of extension is respectively provided with pot inner casing 10 and pot shell 20, And when pot inner casing 10 and the assembling of pot shell 20,2.5mm~3mm hollow cavity 30 can be kept between the two；
Step S20, the perforate knot that average pore size about 0.2mm~0.4mm, three-dimensional interconnected spatial network are formed Structure and porosity are the porous foam copper mesh that 70~80%, thickness is about 3mm, list structure are cut into, with the side of array arrangement Formula is bonded on the outer surface of pot inner casing 10, and leaves certain water conservancy diversion gap between each two strip porous metals copper mesh 50, and cause pan bottom to continue to keep cavity state；
Step S30, pot inner casing 10 is inserted in pot shell 20 and assembled, and to be bonded in the appearance of pot inner casing 10 Porous foam copper mesh on face can be fitted on the inner surface of pot shell 20, then by the annular flanging welded at the top of the two into one Body, and sanding and polishing is carried out to face of weld；
Step S402, the small of a diameter of 3mm is bored in opening position of the pot shell 20 close to top and corresponding hollow cavity 30 Hole, and the metal hollow copper pipe with diameter is inserted, then welded seal will be carried out at copper pipe and the contact position of pot wall；
Step S404, by metal hollow copper pipe to inject inside hollow cavity 30 appropriate liquid phase-change working medium (such as water or Ammonia), and pan bottom is heated, make the vaporization volatilization of operative liquid phase-change working substance, will be in pan hollow cavity 30 and more Air in the foam copper mesh of hole gradually excludes, and reaches certain low-pressure state (about 101~102Pa), and by metal hollow copper The seal of tube；
Step S406, using vavuum pump by metal hollow copper pipe, continue will to be pumped into inside pan hollow cavity 30 low true Altitude (about 10-3Pa)；
Step S408, under vacuum conditions, the outer end of the metal hollow copper pipe on pot shell 20 is subjected to welded seal, Ensure to maintain near vacuum environment (about 10 in whole pan hollow cavity 30-3Pa), so as to completing the equal hot pot of whole double-decker The making of tool.
Embodiment two：
Step S10, aluminium alloy sheet of the thickness for 2mm is used, the punch forming in mould 1 and mould 2, respectively as pot The pot inner casing 10 and pot shell 20 of tool, wherein, the annular flange of extension is respectively provided with pot inner casing 10 and pot shell 20, And when pot inner casing 10 and the assembling of pot shell 20,2.5mm~3mm hollow cavity 30 can be kept between the two；
Step S20, the perforate knot that average pore size about 0.3mm~0.4mm, three-dimensional interconnected spatial network are formed Structure and porosity are the porous foam aluminium net that 70~90%, thickness is about 3mm, list structure are cut into, with the side of array arrangement Formula is bonded on the outer surface of pot inner casing 10, and leaves certain water conservancy diversion gap between each two strip porous metals aluminium net 50, and cause pan bottom to continue to keep cavity state；
Step S30, pot inner casing 10 is inserted in pot shell 20 and assembled, and to be bonded in the appearance of pot inner casing 10 Porous foam aluminium net on face can be fitted on the inner surface of pot shell 20, then by the annular flanging welded at the top of the two into one Body, and sanding and polishing is carried out to face of weld；
Step S402, the small of a diameter of 3mm is bored in opening position of the pot shell 20 close to top and corresponding hollow cavity 30 Hole, and the metal hollow aluminum pipe with diameter is inserted, then welded seal will be carried out at aluminum pipe and the contact position of pot wall；
Step S404, by metal hollow aluminum pipe to inject inside hollow cavity 30 appropriate liquid phase-change working medium (as just oneself Alkane), and pan bottom is heated, make the vaporization volatilization of operative liquid phase-change working substance, will be in pan hollow cavity 30 and porous Air in foam aluminium net gradually excludes, and reaches certain low-pressure state (about 101~102Pa), and by metal hollow aluminum pipe Sealing；
Step S406, using vavuum pump by metal hollow pipe, continue the air of the internal residual of pan hollow cavity 30 Pumping process is carried out, low vacuum environment (about 10 will be pumped into inside hollow cavity 30-2Pa)。
Step S408, under vacuum conditions, the outer end of the metal hollow aluminum pipe on pot shell 20 is subjected to welded seal, Ensure to maintain near vacuum environment (about 10 in whole pan hollow cavity 30-2Pa), so as to completing the equal hot pot of whole double-decker The making of tool.
In summary, pan provided by the utility model, it is a kind of uncoated physics non-stick cooker using double-decker, The hollow cavity of vacuum is formed between the pot inner casing and pot shell of pan, the opening position in hollow cavity close to top is provided with The porous foam metal part being radially distributed, the opening position injection in hollow cavity close to bottom have liquid phase-change working medium, this Sample can be by the liquid refrigerant positioned at hollow cavity bottom when being heated to pan bottom circulating vaporization and condensation, Effectively to conduct the heat of pan bottom to pan top, so that it is guaranteed that temperature of the whole each position of pan after heating several minutes Degree field is consistent substantially, finally realize the pan surface when cooking with the good non-sticky effect of physics, and the pan Potential safety hazard will not be caused to the health of user.
In the description of this specification, term " multiple " refers to two or more.
In the description of this specification, unless otherwise specifically limited, term " connection ", " installation " etc. all should do broad sense reason Solution, for example, " connection " can be fixedly connected or be detachably connected, or is integrally connected；Can be joined directly together, It can also be indirectly connected by intermediary.For the ordinary skill in the art, can understand as the case may be Concrete meaning of the above-mentioned term in the utility model.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that combining specific features, structure, material or feature that the embodiment or example describe is contained in of the present utility model at least one In individual embodiment or example.In this manual, identical embodiment is not necessarily referring to the schematic representation of above-mentioned term Or example.Moreover, specific features, structure, material or the feature of description can be in any one or more embodiments or example In combine in an appropriate manner.
Preferred embodiment of the present utility model is these are only, is not limited to the utility model, for this area Technical staff for, the utility model can have various modifications and variations.It is all within the spirit and principles of the utility model, Any modification, equivalent substitution and improvements made etc., should be included within the scope of protection of the utility model.

Claims (10)

  1. A kind of 1. pan, it is characterised in that including：
    Pot inner casing；
    Pot shell, the outside of the pot inner casing is set in, and welds to form closed hollow cavity with the pot inner casing, The hollow cavity is vacuum cavity；
    Porous foam metal part, it is located on the lateral wall of the pot inner casing and/or the madial wall of the pot shell, and it is adjacent There is water conservancy diversion gap between the porous foam metal part；With
    Liquid phase-change working medium, positioned at the bottom position of the hollow cavity, and can be along in the porous foam metal part Hole volatilization and condensation.
  2. 2. pan according to claim 1, it is characterised in that
    The boiler port of the pot inner casing is provided with the first annular flange of outward bending, the boiler port of the pot shell be provided with to Second annular flange of outer bending, the first annular flange and the described second annular flange airtight connection, with the pot The closed hollow cavity is formed between inner casing and the pot shell.
  3. 3. pan according to claim 2, it is characterised in that
    The first annular flange and the second annular flanging welded are integral.
  4. 4. pan according to claim 1, it is characterised in that
    Offer connector at the upper position of the outer side surface of the pot shell, be provided with the connector with it is described hollow The metal tube of cavity airtight connection, the metal tube are used for liquid phase-change working medium described in the bottom injection of the hollow cavity, And the air in the hollow cavity is set to be discharged by the metal tube.
  5. 5. pan according to claim 1, it is characterised in that
    Vacuum in the hollow cavity is 10-3Pa~10-1Pa。
  6. 6. pan according to any one of claim 1 to 5, it is characterised in that
    The pot inner casing and the pot shell use stainless steel plate or aluminium alloy plate punch forming；The stainless steel plate or The thickness range of the aluminium alloy plate is 0.6mm~2.5mm.
  7. 7. pan according to any one of claim 1 to 5, it is characterised in that
    The width range of the hollow cavity is 1.5mm~4mm；
    Wherein, the width of the hollow cavity for the pot inner casing outer side surface and the pot shell interior sidewall surface it Between the gap width that is formed.
  8. 8. pan according to any one of claim 1 to 5, it is characterised in that
    The thickness of the porous foam metal part is adapted with the width of the hollow cavity, and the porous foam metal part is put down Equal aperture is 0.2mm~0.4mm, and porosity is 70%~90%.
  9. 9. pan according to any one of claim 1 to 5, it is characterised in that
    The porous foam metal part is porous foam copper piece or porous foam aluminum component.
  10. 10. pan according to any one of claim 1 to 5, it is characterised in that
    The liquid phase-change working medium is water, ammonia or n-hexane.
CN201621309686.3U 2016-05-20 2016-12-01 Pan Active CN206979307U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201620467529 2016-05-20
CN2016204675299 2016-05-20

Publications (1)

Publication Number Publication Date
CN206979307U true CN206979307U (en) 2018-02-09

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CN201611086935.1A Active CN107397424B (en) 2016-05-20 2016-11-30 Uniform-temperature non-stick cooker
CN201621305781.6U Active CN206576736U (en) 2016-05-20 2016-11-30 A kind of samming tack-free pot
CN201611086800.5A Pending CN107397423A (en) 2016-05-20 2016-11-30 A kind of samming pot of double-decker
CN201621305687.0U Active CN206543122U (en) 2016-05-20 2016-11-30 A kind of samming pot of double-decker
CN201621300866.5U Active CN206543119U (en) 2016-05-20 2016-11-30 A kind of samming pot of porous foam metal layer liquid-sucking core
CN201621307819.3U Active CN206822494U (en) 2016-05-20 2016-11-30 Pan
CN201621309686.3U Active CN206979307U (en) 2016-05-20 2016-12-01 Pan
CN201621313344.9U Active CN206612540U (en) 2016-05-20 2016-12-01 A kind of samming pan
CN201720480388.9U Active CN207428918U (en) 2016-05-20 2017-05-02 Cookware, cookware component and kitchen appliance
CN201720536648.XU Active CN207561729U (en) 2016-05-20 2017-05-12 Cookware

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CN201611086800.5A Pending CN107397423A (en) 2016-05-20 2016-11-30 A kind of samming pot of double-decker
CN201621305687.0U Active CN206543122U (en) 2016-05-20 2016-11-30 A kind of samming pot of double-decker
CN201621300866.5U Active CN206543119U (en) 2016-05-20 2016-11-30 A kind of samming pot of porous foam metal layer liquid-sucking core
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CN109363484B (en) * 2018-11-02 2021-02-09 荆门它山之石电子科技有限公司 Glass pot and electric cooker
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CN207428918U (en) 2018-06-01
CN206543119U (en) 2017-10-10
CN206612540U (en) 2017-11-07
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CN107397424A (en) 2017-11-28
CN206822494U (en) 2018-01-02

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