CN203468187U - Fast cooling vacuum cup - Google Patents
Fast cooling vacuum cup Download PDFInfo
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- CN203468187U CN203468187U CN201320414844.1U CN201320414844U CN203468187U CN 203468187 U CN203468187 U CN 203468187U CN 201320414844 U CN201320414844 U CN 201320414844U CN 203468187 U CN203468187 U CN 203468187U
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Abstract
The utility model relates to a fast cooling vacuum cup, which is characterized by consisting of a heat conduction layer, phase change metal and a heat insulation layer. The heat conduction layer is located on the inner wall of the vacuum cup; the heat insulation layer is located on the outer wall of the vacuum cup; the phase change metal is filled between the heat conduction layer and the heat insulation layer. The heat of hot water in the vacuum cup is released to the phase change metal through the heat conduction layer; the phase change metal rapidly absorbs heat and melts, and the hot water is rapidly cooled. Then, when the hot water is cooled, the phase change metal is solidifies to release heat, and the temperature of the hot water can be kept near the melting point of the phase change metal for a long time by the heat to achieve a heat-retaining effect. A high-heat conductivity material is adopted by the heat conduction layer, so that the heat is rapidly transferred to the phase change metal. A low- heat conductivity material is adopted by the heat insulation layer to isolate the vacuum cup from an external environment so as to prevent the rapid loss of the heat in the cup. The phase change material adopted by the vacuum cup provided by the utility model is higher in latent heat of phase change and strong in heat-retaining capacity, and most importantly, the phase change material has the high heat conductivity which is far higher than the heat conductivity of heat insulation materials, such as traditional paraffin and the like, and therefore, a function that the hot water is rapidly cooled can be achieved. The fast cooling vacuum cup provided by the utility model is simple in structure, fast in cooling and excellent in heat-retaining effect, and can be widely applied to the field of daily supplies, such as vacuum cups and the like.
Description
Technical field
The present invention relates to a kind of fast cooling thermos cup, this thermos cup is filled in phase-change metal between heat-conducting layer and thermal insulation layer, and utilizing the melting process of phase-change metal is thermos cup fast cooling, and utilizes process of setting to reach long heat insulation effect.The present invention can be widely used in the articles for daily use fields such as thermos cup.
Background technology
Thermos cup is very common article in life, thermos cup is generally to add vacuum layer and the container being filled with water made by pottery or stainless steel, and lid is arranged at its top, seals tight, vacuum heat-insulating layer can make to be contained in the inner liquid such as water and delay heat radiation, to reach the object of insulation.Due to the heat-blocking action of vacuum heat-preserving, hot water (90 ℃) is difficult to be cooled to suitable drink temperature therein, to use, makes troubles.
Except vacuum heat-preserving mode, emerging phase-transition heat-preserving effect is remarkable, and phase-transition heat-preserving utilizes solidifying of phase-change material to reach heat insulation effect, compares with vacuum heat-preserving, and it has longer temperature retention time.Phase-change material used is paraffin (fusing point is at 50 ~ 60 ℃) at present, paraffin has advantages of that fusing point is adjustable, latent heat of phase change is large, cheap, but paraffin thermal conductivity is low, during for phase-transition heat-preserving, heat is transmitted slowlyer, thereby also has the problem that is difficult to hot water to be down to suitable drink temperature.
In order to overcome above-mentioned shortcoming, the present invention proposes a kind of fast cooling thermos cup.This device replaces paraffin as phase-change material using phase-change metal, utilizes its capacity of heat transmission strong, and the feature rapidly of melting is thermos cup fast cooling, and utilizes process of setting to reach long heat insulation effect.Its typical advantages is as follows: (1) latent heat of phase change is large, and phase-change metal has larger volume phase transition latent heat than paraffin, also means under same volume, and phase transformation fast cooling thermos cup has longer temperature retention time; (2) heat transfer coefficient is high, and phase-change metal has the high thermal conductivity of the traditional materials such as super paraffin far away, thereby thermos cup cooling is very rapid; (3) thermal coefficient of expansion is little, and steam forces down.Than paraffin, the phase transformation cubical expansivity of phase-change metal is little, and more stable more not volatile than paraffin, thereby without reserved too many expansion space, saves space; (4) technique is simple, and than vacuum heat-preserving mode, phase-change metal insulation adopts reperfusion mode, simpler than vacuumizing, workable.
Summary of the invention
The object of the present invention is to provide a kind of fast cooling thermos cup, this thermos cup is filled in phase-change metal between heat-conducting layer and thermal insulation layer, and utilizing the melting process of phase-change metal is thermos cup fast cooling, and utilizes process of setting to reach long heat insulation effect.
Technical scheme of the present invention is as follows:
Fast cooling thermos cup provided by the invention, as shown in Figure 1, it is composed as follows:
Heat-conducting layer 1, described heat-conducting layer 1 is positioned at the inwall of thermos cup, and the heat of insulation water in the cup is passed to phase-change metal 2;
Phase-change metal 2, described phase-change metal 2 is filled between inner heat-conducting layer 1 and outer insulative layer 3, to realize the function of quick absorbing and cooling temperature and heat release insulation;
Described heat-conducting layer 1 material is copper, aluminium, stainless steel or thermal conductive ceramic.
Described phase-change metal 2 is filled between described heat-conducting layer and thermal insulation layer, and its fusing point is 30 ~ 90 ℃.
Described phase-change metal 2 is gallium base bianry alloy, gallium based multicomponent alloy, indium-base alloy or bismuth-base alloy.
Described gallium base bianry alloy is gallium indium alloy, gallium bismuth alloy or gallium ashbury metal.
Described gallium based multicomponent alloy is gallium-indium-tin alloy or gallium indium tin kirsite.
Described bismuth-base alloy is bismuth indium stannum alloy or bismuth ashbury metal.
Described thermal insulation layer 3 is vacuum glass, plastics or thermal insulation ceramics.
During use, fill high-temperature-hot-water (80 ~ 90 ℃) in thermos cup, hot water gives off heat to phase-change metal 2 by heat-conducting layer 1, and phase-change metal 2 absorbs fast heat and melts as liquid, and meanwhile, hot water temperature is down to rapidly the melting temperature of phase-change metal 2.Then, along with passage of time, during hot water cooling, phase-change metal is solidified heat release, and this heat can keep the temperature of hot water to be positioned near the fusing point of phase-change metal for a long time, reaches heat insulation effect.In whole process, heat-conducting layer 1 makes heat be delivered to rapidly phase-change metal 2; Phase-change metal 2 thermal conductivities are high and heat absorption capacity is strong, thereby can rapidly heat absorption be melted.Thermal insulation layer 3 is isolated thermos cup and external environment condition to prevent the quick loss of glass interior heat.
Fast cooling thermal insulation cup of the present invention has the following advantages:
(1) latent heat of phase change is large, and phase-change metal has larger volume phase transition latent heat than paraffin, also means under same volume, and phase transformation fast cooling thermos cup has longer temperature retention time;
(2) heat transfer coefficient is high, and phase-change metal has the high thermal conductivity of the traditional materials such as super paraffin far away, thereby thermos cup cooling is very rapid;
(3) thermal coefficient of expansion is little, and steam forces down.Than paraffin, the phase transformation cubical expansivity of phase-change metal is little, and more stable more not volatile than paraffin, thereby without reserved too many expansion space, saves space;
(4) technique is simple, and than vacuum heat-preserving mode, phase-change metal insulation adopts reperfusion mode, simpler than vacuumizing, workable.
accompanying drawing explanation
Fig. 1 is fast cooling vacuum cup structure schematic diagram in embodiment 1.
the specific embodiment
Below in conjunction with drawings and the specific embodiments, further describe the present invention.
As shown in Figure 1, in the present embodiment, fast cooling thermos cup is comprised of heat-conducting layer 1, phase-change metal 2 and thermal insulation layer 3.
Heat-conducting layer 1 material is stainless steel, cylindric, internal diameter 7cm, height 12cm, wall thickness 0.5cm.
Phase-change metal 2 is filled in heat-conducting layer 1 and thermal insulation layer 3, and phase-change metal 2 is selected bismuth indium stannum alloy (mass fraction: 32.5% Bi, 51% In, 16.5% Sn), its safety non-toxic, fusing point is 60oC, phase change layer is cylindrical shape, internal diameter 8cm, height 12cm, thickness is 1cm.
Thermal insulation layer 4 materials are vacuum glass.
During use, in thermos cup, fill high-temperature-hot-water (80 ~ 90 ℃), hot water gives off heat to phase-change metal 2 by heat-conducting layer 1, and phase-change metal 2 absorbs fast heat and melts for liquid, meanwhile, hot water temperature is down to rapidly the melting temperature of phase-change metal 2, along with passage of time, during hot water cooling, phase-change metal is solidified heat release, this heat can keep the temperature of hot water to be positioned near the fusing point of phase-change metal for a long time, reaches heat insulation effect.In whole process, heat-conducting layer 1 makes heat be delivered to rapidly phase-change metal 2; Phase-change metal 2 thermal conductivities are high and heat absorption capacity is strong, thereby can rapidly heat absorption be melted.Thermal insulation layer 4 is isolated thermos cup and external environment condition to prevent the quick loss of glass interior heat.
Below by calculating the hot water temperature fall time that contrasts paraffin and phase-change metal thermos cup:
The internal diameter 7cm of known thermos cup inwall heat-conducting layer, height 12cm, can calculate the internal water containing quality of thermos cup thus:
Wherein, ρ is density, and V is hot water volume,
rfor thermos cup inwall radius,
hfor thermos cup height.This part hot water is cooled to 60 ℃ from 90 ℃, and outwards heat dissipation capacity is:
Wherein,
cfor hot water specific volume,
mfor hot water quality, it is the temperature difference of hot water.
By Fourier's law, hot water is to the heat output (heat transfer temperature difference of phase-change metal is 30 ℃, heat transfer distances 0.5cm) of phase-change metal in the known unit interval:
Wherein, λ is thermal conductivity, and A is heat transfer area, and Δ T is heat transfer temperature difference, and L is heat transfer distances.From formula (2) and formula (3), hot water heat is passed to phase-change metal required time:
And paraffin is while doing phase-change material, hot water heat is passed to paraffin required time and can be calculated by following formula:
（5）
Wherein subscript 1 represents phase-change metal, and subscript 2 is paraffin.T is the time, and q is heat output, and λ is thermal conductivity.
From formula (5), paraffin heat transfer required time is phase-change metal 50 times, i.e. the phase-change metal heat transfer time, while being 0.3min, paraffin required time was 15min, visible phase-change metal is conducted heat and is had absolute hot water rate of temperature fall advantage.
Fast except rate of heat transfer, phase-change metal, than paraffin, also has advantages of that latent heat of phase change is large, thereby more saves thermos cup volume, specifically can illustrate by following formula.
The volume phase transition latent heat of known phase-change metal is 480J/cm
3, the volume phase transition latent heat of paraffin is 160 J/cm
3, in the situation that caloric receptivity is identical, both volume ratios:
Wherein subscript 1 represents phase-change metal, and subscript 2 is paraffin.Q is heat output, and V is volume, Q
vfor volume phase transition latent heat.
From formula (6), in the situation that caloric receptivity is identical, phase-change metal is volume required is 1/3 of paraffin, can effectively save the space of thermos cup.
Finally it should be noted that above embodiment is only unrestricted in order to technical scheme of the present invention to be described.Although the present invention is had been described in detail with reference to embodiment, those of ordinary skill in the art is to be understood that, technical scheme of the present invention is modified or is equal to replacement, do not depart from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (8)
1. a fast cooling thermos cup, is characterized in that, it is composed as follows:
Heat-conducting layer, described heat-conducting layer is positioned at the inwall of thermos cup, and the heat of insulation water in the cup is passed to phase-change metal;
Phase-change metal, described phase-change metal is filled between inner heat-conducting layer and outer insulative layer, to realize the function of quick absorbing and cooling temperature and heat release insulation;
Thermal insulation layer, described thermal insulation layer is positioned at the outer wall of thermos cup, to completely cut off the heat of thermos cup inside, is lost in environment.
2. by fast cooling thermos cup claimed in claim 1, it is characterized in that, described heat-conducting layer is copper, aluminium, stainless steel or thermal conductive ceramic.
3. by fast cooling thermos cup claimed in claim 1, it is characterized in that, described phase-change metal is filled between described heat-conducting layer and thermal insulation layer, and its fusing point is 30 ~ 90 ℃.
4. by fast cooling thermos cup claimed in claim 1, it is characterized in that, described phase-change metal is gallium base bianry alloy, gallium based multicomponent alloy, indium-base alloy or bismuth-base alloy.
5. by fast cooling thermos cup claimed in claim 4, it is characterized in that, described gallium base bianry alloy is gallium indium alloy, gallium bismuth alloy or gallium ashbury metal.
6. by fast cooling thermos cup claimed in claim 4, it is characterized in that, described gallium based multicomponent alloy is gallium-indium-tin alloy or gallium indium tin kirsite.
7. by fast cooling thermos cup claimed in claim 4, it is characterized in that, described bismuth-base alloy is bismuth indium stannum alloy or bismuth ashbury metal.
8. by fast cooling thermos cup claimed in claim 1, it is characterized in that, described thermal insulation layer is vacuum glass, plastics or thermal insulation ceramics.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320414844.1U CN203468187U (en) | 2013-07-12 | 2013-07-12 | Fast cooling vacuum cup |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320414844.1U CN203468187U (en) | 2013-07-12 | 2013-07-12 | Fast cooling vacuum cup |
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| CN104083057A (en) * | 2014-08-05 | 2014-10-08 | 北京依米康科技发展有限公司 | Rapid cooling vacuum cup based on heat absorption solution |
| CN104983261A (en) * | 2015-08-05 | 2015-10-21 | 广西大学 | Temperature-sensitive variable-color vacuum cup |
| CN105251085A (en) * | 2015-01-28 | 2016-01-20 | 何向锋 | Heating device for temperature-buffering transfusion |
| CN105310402A (en) * | 2014-07-30 | 2016-02-10 | 北京洛可可科技有限公司 | Cup with quick cooling function |
| CN105455565A (en) * | 2015-12-22 | 2016-04-06 | 苏州征之魂专利技术服务有限公司 | Vacuum cup |
| CN106282736A (en) * | 2016-08-26 | 2017-01-04 | 杭州龙灿液态金属科技有限公司 | Phase-change accumulation energy alloy and phase-change accumulation energy cup |
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| US9801482B1 (en) | 2016-05-12 | 2017-10-31 | Ember Technologies, Inc. | Drinkware and plateware and active temperature control module for same |
| US9814331B2 (en) | 2010-11-02 | 2017-11-14 | Ember Technologies, Inc. | Heated or cooled dishware and drinkware |
| CN107411492A (en) * | 2017-09-15 | 2017-12-01 | 佛山市南海区昊森机械设备有限公司 | A kind of thermos cup that can carry milk powder |
| US9863695B2 (en) | 2016-05-02 | 2018-01-09 | Ember Technologies, Inc. | Heated or cooled drinkware |
| US10010213B2 (en) | 2010-11-02 | 2018-07-03 | Ember Technologies, Inc. | Heated or cooled dishware and drinkware and food containers |
| CN108344318A (en) * | 2018-05-14 | 2018-07-31 | 深圳市帝洋科技有限公司 | Temperature control regenerative apparatus and temperature control heat storage container |
| CN108402830A (en) * | 2018-05-21 | 2018-08-17 | 叶烨 | A kind of Children bowl |
| US10383476B2 (en) | 2016-09-29 | 2019-08-20 | Ember Technologies, Inc. | Heated or cooled drinkware |
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| CN104083057A (en) * | 2014-08-05 | 2014-10-08 | 北京依米康科技发展有限公司 | Rapid cooling vacuum cup based on heat absorption solution |
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| CN104983261A (en) * | 2015-08-05 | 2015-10-21 | 广西大学 | Temperature-sensitive variable-color vacuum cup |
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| CN108402830B (en) * | 2018-05-21 | 2019-09-24 | 颜禾智能科技(浙江)有限公司 | A kind of Children bowl |
| CN108402830A (en) * | 2018-05-21 | 2018-08-17 | 叶烨 | A kind of Children bowl |
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