CN108113454A - A kind of samming pot of high-termal conductivity - Google Patents
A kind of samming pot of high-termal conductivity Download PDFInfo
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- CN108113454A CN108113454A CN201611086796.2A CN201611086796A CN108113454A CN 108113454 A CN108113454 A CN 108113454A CN 201611086796 A CN201611086796 A CN 201611086796A CN 108113454 A CN108113454 A CN 108113454A
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- pot
- liquid
- sucking core
- wall
- samming
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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
-
- 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
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Cookers (AREA)
Abstract
The present invention relates to a kind of samming pots of high-termal conductivity, including interior pot and outer pot, interior pot is set in outer pot and has vacuum chamber between interior pot and outer pot, it is equipped with to be heated in vacuum chamber and gaseous liquid phase-change working medium can be converted into from liquid, the open end of interior pot and the open end of outer pot are sealedly and fixedly connected, liquid-sucking core is equipped in vacuum chamber, including liquid-sucking core is sticked on the outer wall of pot, gap is left between liquid-sucking core and the inner wall of outer pot.The samming pot of the present invention, when liquid phase-change working medium becomes liquid from gaseous state, liquid phase-change working medium can be flowed down along the outer wall of liquid-sucking core from interior pot, without being flowed down along the inner wall of outer pot, it is not easy the heat of liquid phase-change working medium being transmitted to the outside of samming pot, the heat conductivity for making food in liquid phase-change working medium and pot is more preferable, better heat preservation；Simultaneously because leaving certain gap between liquid-sucking core and inner pot outer wall, the free-flowing of liquid phase-change working medium ensure that, it is achieved thereby that better temperature uniformity.
Description
Technical field
The present invention relates to cooking pot tool technical fields, and in particular to a kind of samming pot of high-termal conductivity.
Background technology
At present, the material used in electric cooker or inner container of electric pressure cooker is generally aluminium alloy/stainless steel clad plate, they are main
It is that stickness paint does not realize non-sticky effect of its surface during cooking by spraying PTFE (Teflon) etc. in internal layer aluminium surface
Fruit.But these non-sticky coating wear resistances are poor, are easier to come off, may be to the body of consumer after being absorbed by the body
Health generates security risk.The uncoated liner pot of health of electric hot tray heating is thus disclosed in the prior art, by pot
Temperature carries out control and has reached certain non-sticky effect of physics.It is uncoated due to the nutrition of interior pot heating temperature distributing homogeneity
Cookware bottom is heated when comparing concentration, and the non-sticky effect of physics in the bottom of a pan is poor, and rice is easily sticked to the bottom of a pan and the paste at this
Also more difficult cleaning.
The content of the invention
The technical problems to be solved by the invention are in view of the deficiencies of the prior art, to provide a kind of samming of high-termal conductivity
Pot.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of samming pot of high-termal conductivity, including interior pot and
Outer pot, the interior pot is set in the outer pot and has vacuum chamber between the interior pot and the outer pot, in the vacuum chamber
Gaseous liquid phase-change working medium can be converted into from liquid equipped with heated, the open end and the open end of the outer pot of the interior pot are close
Envelope is fixedly connected, and liquid-sucking core is equipped in the vacuum chamber, and the liquid-sucking core is sticked on the outer wall of the interior pot, the liquid-sucking core
Gap is left between the inner wall of the outer pot.
The beneficial effects of the invention are as follows：On the outer wall that the present invention passes through pot including liquid-sucking core is sticked and make liquid-sucking core with it is outer
Gap is left between the inner wall of pot, it, can be by liquid phase-change working medium along liquid-sucking core when liquid phase-change working medium becomes liquid from gaseous state
It is flowed down from the outer wall of interior pot, without being flowed down along the inner wall of outer pot, it is not easy to which the heat of liquid phase-change working medium is transmitted to samming
The outside of pot, the heat conductivity for making food in liquid phase-change working medium and pot is more preferable, better heat preservation；Simultaneously because liquid-sucking core and
Certain gap is left between inner pot outer wall, ensure that the free-flowing of liquid phase-change working medium, it is achieved thereby that better temperature
Uniformity.
Based on the above technical solutions, the present invention can also be improved as follows.
Further, the width in the gap is 0.1mm-1mm.
Advantageous effect using above-mentioned further scheme is：By being closed to the gap between liquid-sucking core and inner pot outer wall
The restriction of reason while making heat conductivity more preferable, also ensures even temperature effect.
Further, the liquid-sucking core is higher than the liquid level of the liquid phase-change working medium close to one end of the outer pot bottom wall.
Advantageous effect using above-mentioned further scheme is：By the way that liquid-sucking core is made to be higher than liquid close to one end of outer pot bottom wall
The liquid level of phase-change working substance adds the volume of vacuum chamber, ensure that liquid phase-change working medium after heated vaporization, has in vacuum chamber
There is the free air space of bigger, can making liquid phase-change working medium, position carries out faster heat conduction velocity up and down in vacuum chamber,
So as to ensure that interior pot inner surface has better temperature uniformity.
Further, the liquid-sucking core is between the liquid level of one end of the outer pot bottom wall and the liquid phase-change working medium
Distance is 1mm-10mm.
Advantageous effect using above-mentioned further scheme is：By to liquid-sucking core distance from bottom liquid phase-change medium level it
Between height be defined, to provide the space of bigger after the vaporization of liquid phase-change working medium, can also shorten liquid phase-change working medium
The cycling distance of " liquid → gaseous state → liquid " occurs in heating process, accelerates conduction velocity of the heat in pot nside, more
The good equal thermal effect of realization, the uniform Temperature Distribution in pot surface in promotion, makes the temperature difference of interior pot everywhere be realized no more than 4 DEG C
Good physics non-sticky effect during cooking in kind in pot.
Further, the vacuum degree in the vacuum chamber is 10-3Pa-10-1Pa。
Advantageous effect using above-mentioned further scheme is：It is 10 to control the in vivo vacuum degree of hollow cavity-3Pa-10-1Pa,
To reduce the phase transition temperature of liquid phase-change working medium, circulating vaporization and condensation convenient for liquid phase-change working medium, so as to be further ensured that
Cookware bottom and the temperature uniformity on top ensure the temperature uniformity at each position of entire cookware.
Further, the elongated structure of the liquid-sucking core and arrange that the liquid-sucking core is along the short transverse of the outer pot
It is multiple and be evenly distributed on the inner wall of the outer pot.
Advantageous effect using above-mentioned further scheme is：It is evenly arranged in by multiple liquid-sucking cores on the inner wall of outer pot,
It can realize that heat in the good conduction of inner surface of pot body, possesses good so as to fulfill pot different position in heating process
Temperature distribution evenness；By the way that liquid-sucking core is arranged to strip and along the axial arranged of outer pot, liquid phase-change working medium is made more to hold
Easily it is transmitted to the open end of cookware.
Further, the liquid-sucking core is made of porous foam metal.
Further, the average pore size of the liquid-sucking core is 0.2mm-5mm, porosity 75%-95%.
Further, the thickness of the liquid-sucking core is 1mm-5mm.
Further, the outer wall of the outer pot offers connector at the position on top, be equipped at the connector with
The metal tube of the closed connection of vacuum chamber.
Description of the drawings
Fig. 1 is the main view cross-sectional view of the embodiment of the present invention；
Fig. 2 is the A-A faces diagram of Fig. 1.
In attached drawing, parts list represented by the reference numerals is as follows：
1st, interior pot；2nd, outer pot；3rd, vacuum chamber；31st, diversion space；32nd, gap；4th, liquid-sucking core；5th, metal tube.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As depicted in figs. 1 and 2, the samming pot of a kind of high-termal conductivity of the present embodiment, it is described interior including interior pot 2 and outer pot 1
Pot 2 is set in the outer pot 1 and has vacuum chamber 3 between the interior pot 2 and the outer pot 1, be equipped in the vacuum chamber 3 by
Heat can be converted into gaseous liquid phase-change working medium from liquid, and the open end of the interior pot 2 and the open end sealing of the outer pot 1 are solid
Fixed connection, the vacuum chamber 3 is interior to be equipped with liquid-sucking core 4, and the liquid-sucking core 4 is sticked on the outer wall of the interior pot 1, the liquid-sucking core
Gap 32 is left between 4 and the inner wall of the outer pot 2, which is preferably upper and lower uniformity, can also be inconsistent up and down,
As long as it can guarantee that liquid-sucking core is not connected with inner pot outer wall.The liquid-sucking core 4 of the present embodiment can be welded on the outer of the interior pot 1
On wall, it can also be pasted onto by adhesive on the outer wall of the interior pot 1.The present embodiment passes through pot including liquid-sucking core is sticked
On outer wall and make to leave gap between liquid-sucking core and the inner wall of outer pot, when liquid phase-change working medium becomes liquid from gaseous state, can incite somebody to action
Liquid phase-change working medium is flowed down along the outer wall of liquid-sucking core from interior pot, without being flowed down along the inner wall of outer pot, it is not easy to by liquid phase-change
The heat of working medium is transmitted to the outside of samming pot, and the heat conductivity for making food in liquid phase-change working medium and pot is more preferable, heat insulation effect
More preferably；Simultaneously because leaving certain gap between liquid-sucking core and inner pot outer wall, the free-flowing of liquid phase-change working medium ensure that,
It is achieved thereby that better temperature uniformity.
The width in the gap 32 of the present embodiment be L, L 0.1mm-1mm, be chosen as 0.2mm, 0.3mm, 0.4mm,
0.5mm, 0.6mm, 0.7mm, 0.8mm and 0.9mm.The gap between liquid-sucking core and inner pot outer wall is rationally limited, makes heat conductivity
While more preferable, even temperature effect is also ensured.
The liquid-sucking core 4 of the present embodiment is higher than the liquid of the liquid phase-change working medium close to one end of 1 bottom wall of outer pot
Face can increase the volume of vacuum chamber, ensure that liquid phase-change working medium after heated vaporization, has the circulation of bigger in vacuum chamber
Space, can making liquid phase-change working medium, position carries out faster heat conduction velocity up and down in vacuum chamber, interior so as to ensure that
Pot inner surface has better temperature uniformity.
The liquid-sucking core 4 of the present embodiment is close to one end of 1 bottom wall of outer pot and the liquid level of the liquid phase-change working medium
The distance between for 1mm-10mm, be chosen as, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm and 9mm.By to liquid-sucking core bottom
Height between liquid phase-change medium level is defined, empty to provide the movement of bigger after the vaporization of liquid phase-change working medium
Between, it can also shorten the cycling distance that " liquid → gaseous state → liquid " occurs in heating process for liquid phase-change working medium, accelerate heat
In the conduction velocity of pot nside, equal thermal effect is preferably realized, the uniform Temperature Distribution in pot surface in promotion makes interior pot everywhere
Temperature difference no more than 4 DEG C, good physics non-sticky effect when realizing cooking in kind in pot.
Vacuum degree in the vacuum chamber 3 of the present embodiment is 10-3Pa-10-1Pa.The vacuum degree in vacuum chamber is controlled to be
10-3Pa-10-1Pa, to reduce the phase transition temperature of liquid phase-change working medium, circulating vaporization and condensation convenient for liquid phase-change working medium, from
And it is further ensured that the temperature uniformity on cookware bottom and top, ensure the temperature uniformity at each position of entire cookware.Certainly, in
The in vivo vacuum degree of cavity is not limited to above-mentioned concrete numerical value scope, can be according to actual conditions designed, designed.
The 4 elongated structure of the liquid-sucking core of the present embodiment and along the outer pot 1 short transverse arrange, the imbibition
Core 4 is multiple and is evenly distributed on the outer wall of the interior pot 1, and a diversion space 31 is formed between two neighboring liquid-sucking core 4.This
The thickness of the liquid-sucking core 4 of embodiment is 1mm-5mm, is chosen as 2mm, 3mm, 4mm.It is evenly arranged in by multiple liquid-sucking cores
On the outer wall of interior pot, heat can be realized in the good conduction of inner surface of pot body, so as to fulfill pot different position heated
Possesses good temperature distribution evenness in journey；By the way that liquid-sucking core is arranged to strip and along the axial arranged of outer pot, make liquid
Body phase-change working substance is easier to be transmitted to the open end of cookware.
The liquid-sucking core 4 of the present embodiment is made of porous foam metal.The average pore size of the liquid-sucking core 4 is 0.2mm-
5mm is chosen as 0.5mm, 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm and 4.5mm, porosity 75%-95%.
As shown in Figure 1, the outer wall of the outer pot 1 of the present embodiment offers connector at the position on top, it is described
It is equipped with and the closed metal tube 5 connected of the vacuum chamber 3 at connector.
The liquid-sucking core 4 of the present embodiment is made of porous foam copper or Porous foam aluminimun；The liquid phase-change working medium
For water, ammonia or n-hexane.
The thermal efficiency of the samming pot of the application is tested using GB12021.6-2008 standards, test result such as table 2
It is shown.
The thermal efficiency for the samming pot that gap width is different between 2 liquid-sucking core of table and outer pot inner wall
| Gap width (mm) | 0 | 0.1 | 0.5 | 1 | 1.1 |
| The thermal efficiency (%) | 80 | 82 | 85 | 89 | 88 |
As shown in Table 2, when the gap width between liquid-sucking core and outer pot inner wall is 0, i.e., liquid-sucking core is crimped on outside interior pot
When on wall, the thermal efficiency of the samming pot of the application is 80%；When the gap width between liquid-sucking core and outer pot inner wall is more than 0,
When being crimped on compared to liquid-sucking core on outer pot inner wall, the thermal efficiency of the samming pot of the application has obtained effective promotion.
The preparation method of the samming pot of the application is as follows：
Step 1, using stainless sheet steel, the punch forming in mold, respectively as the interior pot 2 of cookware and outer pot 1, interior pot
2 and during 1 erection welding of outer pot, the water conservancy diversion gap of one fixed width can be left between the two；
Open-celled structure that step 2, average pore size about 0.2mm~5mm, three-dimensional interconnected spatial network are formed,
And the porous foam copper mesh that porosity is 75~95%, thickness is about 1mm-5mm, list structure is cut into, with array arrangement
Mode is bonded on the outer wall of interior pot 1, and leaves certain diversion space 31 between each two strip porous foam copper mesh, porous
Foam copper mesh is the liquid-sucking core 4 of the present embodiment, and certain gap 32 is left between 2 inner wall of liquid-sucking core 4 and outer pot, and causes pot
Continue to keep cavity state in tool bottom；
Step 3, interior pot 2 is inserted in outer pot 1 and assembled, and liquid-sucking core 4 is avoided to be fitted on the inner wall of outer pot 2, by
The open end of pot 2 and outer pot 1 is integrally welded, and carries out sanding and polishing to face of weld；
Step 4, the aperture of a diameter of 3mm is bored at top and the position of corresponding diversion space 31 in outer pot 1, and be inserted into
With the metal hollow copper pipe of diameter, then welded seal will be carried out at copper pipe and the contact position of pot wall；
Step 5, appropriate amount of fluid phase-change working substance (such as water or ammonia) is injected to the inside of water conservancy diversion gap by metal hollow copper pipe,
And cookware bottom is heated, make the vaporization volatilization of partially liq phase-change working substance, it will be in cookware diversion space and porous foam copper
Air in net gradually excludes, and reaches certain low-pressure state (about 101~102Pa), and by metal hollow sealing copper pipe；
Step 6, by metal hollow copper pipe continue that low vacuum environment will be pumped into inside cookware water conservancy diversion gap using vacuum pump
(about 10-3Pa)；
Step 7, under vacuum conditions, the outer end of the metal hollow copper pipe on outer pot is subjected to welded seal, ensured entire
Near vacuum environment (about 10 is maintained in water conservancy diversion gap in cookware-3Pa), so as to complete entire double-layer structure have noise reduction work(
The making of the soaking cookware of energy.
The samming pot of the present embodiment is a kind of uncoated physics non-stick cooker using double-layer structure, in the pot of cookware
Vacuum chamber is formed between shell and pot shell, a plurality of axial arranged liquid-sucking core is equipped at the position on top in vacuum chamber,
Liquid-sucking core is pasted onto on the outer wall of interior pot, and gap is left between the inner wall of outer pot；In vacuum chamber at the position of bottom
Injection has liquid phase-change working medium, can be by being located at the liquid of hollow cavity bottom so when being heated to cookware bottom
The circulating vaporization of working medium and condensation, effectively to conduct the heat of cookware bottom to cookware top, so that it is guaranteed that entire cookware is each
Temperature field of the position after heating several minutes is consistent substantially, finally realizes that the cookware surface has good object when cooking
Non-sticky effect is managed, and the cookware will not cause security risk to the health of user；And during use, the thermal efficiency is high.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instructions such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be based on orientation shown in the drawings or
Position relationship is for only for ease of the description present invention and simplifies description rather than instruction or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, " multiple " are meant that at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be that machinery connects
It connects or is electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features contact directly or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward or is merely representative of fisrt feature level height less than second feature.
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 the spy for combining the embodiment or example description
Point is contained at least one embodiment of the present invention or example.In the present specification, schematic expression of the above terms is not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It is combined in an appropriate manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the different embodiments described in this specification or example and different embodiments or exemplary feature
It closes and combines.
Although the embodiment of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. the samming pot of a kind of high-termal conductivity, which is characterized in that including interior pot and outer pot, the interior pot is set in the outer pot
And there is vacuum chamber between the interior pot and the outer pot, gaseous liquid can be converted into from liquid by being equipped with to be heated in the vacuum chamber
Body phase-change working substance, the open end and the open end of the outer pot of the interior pot are sealedly and fixedly connected, and are equipped with and inhale in the vacuum chamber
Wick-containing, the liquid-sucking core are sticked on the outer wall of the interior pot, and gap is left between the inner wall of the liquid-sucking core and the outer pot.
2. the samming pot of a kind of high-termal conductivity according to claim 1, which is characterized in that the width in the gap is 0.1mm-
1mm。
3. the samming pot of a kind of high-termal conductivity according to claim 1 or claim 2, which is characterized in that the liquid-sucking core is close to described
One end of outer pot bottom wall is higher than the liquid level of the liquid phase-change working medium.
4. the samming pot of a kind of high-termal conductivity according to claim 3, which is characterized in that the liquid-sucking core is close to the outer pot
The distance between liquid level of one end of bottom wall and the liquid phase-change working medium is 1mm-10mm.
5. according to the samming pot of any one of claim 1 to 2,4 a kind of high-termal conductivity, which is characterized in that the vacuum chamber
Interior vacuum degree is 10-3Pa-10-1Pa。
A kind of 6. samming pot of high-termal conductivity according to claim 5, which is characterized in that the elongated structure of liquid-sucking core
And arranged along the short transverse of the outer pot, the liquid-sucking core is multiple and is evenly distributed on the inner wall of the outer pot.
7. according to the samming pot of any one of claim 1 to 2,4,6 a kind of high-termal conductivity, which is characterized in that the imbibition
Core is made of porous foam metal.
8. the samming pot of a kind of high-termal conductivity according to claim 7, which is characterized in that the average pore size of the liquid-sucking core is
0.2mm-5mm, porosity 75%-95%.
9. the samming pot of a kind of high-termal conductivity according to claim 8, which is characterized in that the thickness of the liquid-sucking core is 1mm-
5mm。
10. according to the samming pot of any one of claim 1 to 2,4,6,8 to 9 a kind of high-termal conductivity, which is characterized in that institute
The outer wall for stating outer pot offers connector at the position on top, is equipped at the connector and the vacuum chamber is closed connects
Metal tube.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611086796.2A CN108113454B (en) | 2016-11-30 | 2016-11-30 | High-thermal-conductivity temperature equalizing pot |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611086796.2A CN108113454B (en) | 2016-11-30 | 2016-11-30 | High-thermal-conductivity temperature equalizing pot |
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| CN108113454B CN108113454B (en) | 2021-01-12 |
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| CN109044081A (en) * | 2018-09-28 | 2018-12-21 | 李子京 | Heat container and electric cooker |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109044081A (en) * | 2018-09-28 | 2018-12-21 | 李子京 | Heat container and electric cooker |
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| CN108113454B (en) | 2021-01-12 |
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