CN102772136A - Vacuum and heat-storage double-heat-insulation type electric heating kettle with long-term heat-insulation structure - Google Patents
Vacuum and heat-storage double-heat-insulation type electric heating kettle with long-term heat-insulation structure Download PDFInfo
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- CN102772136A CN102772136A CN2012102564635A CN201210256463A CN102772136A CN 102772136 A CN102772136 A CN 102772136A CN 2012102564635 A CN2012102564635 A CN 2012102564635A CN 201210256463 A CN201210256463 A CN 201210256463A CN 102772136 A CN102772136 A CN 102772136A
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Abstract
The invention relates to a vacuum and heat-storage double-heat-insulation type electric heating kettle with a long-term heat-insulation structure. The vacuum and heat-storage double-heat-insulation type electric heating kettle comprises a kettle body and a kettle cover, and is characterized in that the kettle body comprises a shell and an inner container arranged in the shell, an electric heater is arranged at the bottom of the kettle body, a closed cavity is arranged between the shell and the inner container, and a closed phase-change heat-storage layer is formed between the shell and the inner container; the phase-change melting point of the closed phase-change heat-storage layer is 80-95 DEG C; a closed vacuum heat-insulation layer is formed between the shell and the closed phase-change heat-storage layer or between the closed phase-change heat-storage layer and the inner container; a vacuum and heat-storage double-heat-insulation structure with the temperature ranging from 80 DEG C to 95 DEG C is formed by the inner container, the closed phase-change heat-storage layer and the closed vacuum heat-insulation layer; and the electric heater comprises a heating element and a heat-storage body, the heat-storage body is connected with the heating element through a plurality of connectors so that a radial connecting structure is formed, and the heat-storage body and the inner container form a dotted connecting structure. Due to the self-insulation characteristic of the heat-storage body, heat energy stored by the heat-storage body only can heat the inner container through heat conduction connecting points, the heat-storage body slowly and lastingly heats the inner container and water in the inner container, and the vacuum and heat-storage double-heat-insulation type electric heating kettle has the advantage of long-term heat insulation.
Description
Technical field
The present invention relates to a kind of dual heat preserving type electric kettle of vacuum, heat accumulation with long-acting insulation construction, and this electric kettle can boiling water and water temperature remained on required preference temperature for a long time, is useful in the occasion that water temperature is remained on 80 ℃～95 ℃.The technical field that belongs to the daily living article electric heating appliance
Background technology
At present, electric heater is the common tool of people's daily life, and electric water heater receives people's welcome because its to boil water fast, smokeless and odorless have characteristics such as environmental protection.Particularly people have special requirement to the water quality water temperature when making tea, infuse coffee, brewing milk powder, lotus root starch or bubble kung fu tea.As brew high-grade tea such as Dragon Well tea, high-quality green tea, normally 80～85 ℃ of boiling water optimums; Make coffee or, normally require the boiling water more than 85 ℃ towards milk powder, lotus root starch etc.; And when drinking kung fu tea, need water temperature to keep about 95 ℃ in about 20 minutes always, again should not repeated heating, boil and change " fresh " of water.But electric heater of the prior art does not have heat insulation function mostly, perhaps, though have certain heat insulation function, has the shortcoming of unreasonable structure, heat insulation effect difference, therefore, can not satisfy the daily life needs.And traditional device that is used for the boiling water insulation; Like thermos flask; It is to rely on the sealing that vacuumizes in the middle of the double-deck glass liner with bottle plug to reduce radiation loss and guarantee insulation effect, but these attemperators do not possess from heating and boiling water function, particularly in both, has any one impaired its insulation effect just obviously to descend; Roll (opening) coolant-temperature gage and also reduce fast, the glass inner flask is easy to breakage again.Therefore, these thermos flasks can not satisfy people's the needs of making tea, infuse coffee, brewing milk powder, lotus root starch or bubble kung fu tea equally.
Summary of the invention
The object of the invention; Be in order to address the above problem; A kind of dual heat preserving type electric kettle of vacuum, heat accumulation with long-acting insulation construction is provided, and to 100 ℃ boiling water, this electric kettle can remain on required optimal temperature with water temperature to the water in the kettle for a long time through boiled; Can satisfy the boiling water temperature requirement of high tealeaves such as Longjing tea, tippy tea, can satisfy again make coffee, the boiling water temperature requirement during towards milk powder, lotus root starch or ordinary tea leaves.
The object of the invention can reach through following measure:
Have the dual heat preserving type electric kettle of vacuum, heat accumulation of long-acting insulation construction, comprise kettle body and pot lid, its design feature is:
1) said kettle body comprises shell and the inner bag that is arranged at enclosure; Bottom at the kettle body is provided with electric heater; The heater of electric heater closely contacts with inner bag; Between shell and inner bag, be provided with closed cavity, in said closed cavity, fill up phase change heat-storing material, between shell and inner bag, form closed phase change heat storage layer; The phase transformation fusing point of said closed phase change heat storage layer is 80～95 ℃;
2) between shell and closed phase change heat storage layer or between closed phase change heat storage layer and inner bag, be provided with closed cavity; Through said closed cavity is vacuumized, between shell and closed phase change heat storage layer or between closed phase change heat storage layer and inner bag, form the closed vacuum heat-insulating layer; Constitute 80 ℃～95 ℃ vacuum, the dual heat preserving type structure of heat accumulation by inner bag, closed phase change heat storage layer and closed vacuum heat-insulating layer;
3) electric heater comprises heater and thermal store; The heater of electric heater closely contacts with inner bag; Thermal store be looped around heater around, thermal store is connected, forms the dispersion shape syndeton through some connectors with heater, in section connecting element, be provided with heat conduction tie point; Closely be connected with inner bag through said heat conduction tie point, make thermal store and inner bag form the point-like syndeton.
The object of the invention can also reach through following measure:
A kind of Technological improvement plan of the present invention is: thermal store is connected, forms the dispersion shape syndeton through six connectors with heater; Respectively be provided with a heat conduction tie point in three connectors therein; Closely be connected with inner bag through said heat conduction tie point, make thermal store and inner bag form the point-like syndeton.
A kind of Technological improvement plan of the present invention is: the phase transformation fusing point of said phase change heat storage layer can be 80 ℃, 82 ℃, 83 ℃, 85 ℃, 86 ℃, 88 ℃, 90 ℃, 92 ℃ or 95 ℃.
A kind of Technological improvement plan of the present invention is: a temperature control circuit is set in the kettle body, the water temperature in the kettle body inner bag is controlled at 80 ℃, 82 ℃, 83 ℃, 85 ℃, 86 ℃, 88 ℃, 90 ℃, 92 ℃ or 95 ℃.
A kind of Technological improvement plan of the present invention is: form heat insulation cavity between hot tank wall of said storage and the shell, in heat insulation cavity, establish foam layer.Thereby the heat that significantly reduces storage heat jar scatters and disappears, the temperature remains within the normal range to make shell simultaneously.
A kind of Technological improvement plan of the present invention is: said pot lid is provided with the water filling port that is communicated with the inner chamber of inner bag; The sidewall that is positioned at the water filling port left side on the pot lid stretches out, forms Hu Zui, and corresponding with it, the roof that is positioned at the water filling port right side on the pot lid is provided with the hasp plug; Said hasp plug hasp is covered water filling port on Hu Zui fully.Not only much cleaner, heat insulation effect is also better.
A kind of Technological improvement plan of the present invention is: between kettle body and the pot lid through being threaded; Opening part at inner bag is provided with internal thread, and is corresponding with it, is provided with external screw thread in the lower end of pot lid; On pot lid, also be provided with the O RunddichtringO.
A kind of Technological improvement plan of the present invention is: said shell be shaped as truncated cone, square, polygonal cylindricality or cydariform.
A kind of Technological improvement plan of the present invention is: the sidewall of said shell is provided with handle.
The invention has the beneficial effects as follows:
1, the present invention is because between shell and closed phase change heat storage layer or between closed phase change heat storage layer and inner bag, be provided with closed cavity; Through said closed cavity is vacuumized, between shell and closed phase change heat storage layer or between closed phase change heat storage layer and inner bag, form the closed vacuum heat-insulating layer; Constitute 80 ℃～95 ℃ vacuum, the dual heat preserving type structure of heat accumulation by inner bag, closed phase change heat storage layer and closed vacuum heat-insulating layer; Therefore with boiled after 100 ℃; Water temperature remains on required optimal temperature (being phase transformation temperature points) always; The heating boiling water that needn't consume energy again, not only energy-conservation but also can avoid with the water heating for multiple times of making tea contribute beneficial trace elements in the dehydration, " fresh " of the water that keeps making tea.And because the characteristic of thermal store self-heat conserving, the heat energy of thermal store storage can only conduct tie point through heat and heat to inner bag, therefore, thermal store to inner bag and the boiling water heating be slow and lasting, have the beneficial effect of long-acting insulation.Therefore with boiled after 100 ℃; Water temperature remains on required optimal temperature (being phase transformation temperature points) always; The heating boiling water that needn't consume energy again, not only energy-conservation but also can avoid with the water heating for multiple times of making tea contribute beneficial trace elements in the dehydration, " fresh " of the water that keeps making tea.
2, because in the improvement technical scheme of the present invention; Owing between the outer wall of phase change heat storage layer and outer casing inner wall, heat insulation cavity is set; In this heat insulation cavity, establish foam layer, the heat that therefore can significantly reduce storage heat jar scatters and disappears, and strengthens the heat insulation effect of kettle body when the temperature remains within the normal range at shell.
3, because in the improvement technical scheme of the present invention, said pot lid is provided with the water filling port that is communicated with the inner chamber of inner bag; The sidewall that is positioned at the water filling port left side on the pot lid stretches out, forms Hu Zui, and corresponding with it, the roof that is positioned at the water filling port right side on the pot lid is provided with the hasp plug; Said hasp plug hasp is covered water filling port on Hu Zui fully.Not only much cleaner, heat insulation effect is also better.
4, the phase transformation fusing point of phase change heat-storing material used in the present invention is 80 ℃～95 ℃; Can design the energy-saving thermal-insulation electric heating kettle of multiple model; The user can select according to actual needs, as when brewing Longjing tea, selects the energy-saving thermal-insulation electric heating kettle of 95 ℃ of series for use; When brewing tippy tea, can select 80 ℃, 82 ℃, 83 ℃, 85 ℃, 86 ℃, 88 ℃, 90 ℃, 92 ℃, 94 ℃ or 95 ℃ of any one thermal-insulation electric heating kettles for use; During towards coffee bubble coffee, towards milk powder or lotus root starch, can select 80～95 ℃ of thermal-insulation electric heating kettles that wait series as required for use.
5, closed vacuum heat-insulating layer used in the present invention and temperature control circuit structure; Can design the energy-saving insulation insulating pot of multiple model; The user can select according to actual needs; Can water temperature be remained on 95 ℃ of temperature of required optimum always as during drinking kung fu tea, rolling (opening) kettle, needn't consume energy adds hot water again, not only energy-conservation but also can avoid with the water heating for multiple times of making tea contribute beneficial trace elements in the dehydration, " fresh " of the water that keeps making tea; When brewing Longjing tea, can regulate temperature control circuit, make electric kettle constitute the energy-saving thermal-insulation electric heating kettle of 85 ℃ of series; When brewing tippy tea, the temperature control that can regulate temperature control circuit is that 80 ℃, 82 ℃ or 84 ℃ are the most desirable; During towards coffee bubble coffee, towards milk powder or lotus root starch, the temperature control that can regulate temperature control circuit is 86～95 ℃.
Description of drawings
Fig. 1 is the structural representation of the specific embodiment of the invention 1.
Fig. 2 is the electric heater structural representation of the specific embodiment of the invention.
Fig. 3 is the structural representation of the specific embodiment of the invention 2.
Fig. 4 is the structural representation of the specific embodiment of the invention 3.
Fig. 5 is the structural representation of other embodiment of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is made further detailed description:
Specific embodiment 1:
See figures.1.and.2; Present embodiment comprises kettle body 1 and pot lid 2, and said kettle body 1 comprises shell 11 and the inner bag 12 that is arranged at enclosure, is provided with electric heater 3 in the bottom of kettle body 1; The heater of electric heater 3 closely contacts with inner bag 12; Between shell 11 and inner bag 12, be provided with closed cavity, in said closed cavity, fill up phase change heat-storing material, between shell 11 and inner bag 12, form closed phase change heat storage layer 13; The phase transformation fusing point of said closed phase change heat storage layer 13 is 80～95 ℃; Between shell 11 and closed phase change heat storage layer 13 or between closed phase change heat storage layer 13 and inner bag 12, be provided with closed cavity; Through said closed cavity is vacuumized, between shell 11 and closed phase change heat storage layer 13 or between closed phase change heat storage layer 13 and inner bag 12, form closed vacuum heat-insulating layer 15; Constitute 80 ℃～95 ℃ vacuum, the dual heat preserving type structure of heat accumulation by inner bag 12, closed phase change heat storage layer 13 and closed vacuum heat-insulating layer 15; Electric heater 3 comprises heater 3-1 and thermal store 3-2; The heater 3-1 of electric heater 3 closely contacts with inner bag 12; Thermal store 3-2 be looped around heater 3-1 around, thermal store 3-2 is connected, forms the dispersion shape syndeton through some connector 3-3 with heater 3-1, in section connecting element 3-3, is provided with heat conduction tie point 3-4; Closely be connected with inner bag 12 through said heat conduction tie point 3-4, both form the point-like syndeton to make thermal store 3-2 and inner bag 12.
Said pot lid 2 is provided with the water filling port 21 that is communicated with the inner chamber of inner bag 12; The sidewall that is positioned at water filling port 21 left sides on the pot lid 2 stretches out, forms kettle mouth 22, and corresponding with it, the roof that is positioned at water filling port 21 right sides on the pot lid 2 is provided with hasp plug 23; Said hasp plug 23 hasps are covered water filling port 21 on kettle mouth 22 fully.Not only much cleaner, heat insulation effect is also better.
Between kettle body 1 and the pot lid 2 through being threaded; Opening part at inner bag 12 is provided with internal thread, and is corresponding with it, is provided with external screw thread in the lower end of pot lid 2; On pot lid 2, also be provided with O RunddichtringO 24.Said shell 11 be shaped as truncated cone.
In the present embodiment:
The phase transformation fusing point of phase change heat storage layer 13 is 95 ℃, constitutes the special-purpose teapot that brews kung fu tea.Because the composite phase-change heat-storing material that present embodiment adopts is that chemical stability is good, latent heat of phase change big, did not have cold-peace phenomenon of phase separation, nontoxic, non-corrosive material, therefore, can guarantee can not damage electric kettle, water quality also can never be contaminated.In addition; Can design the dual heat preserving type electric kettle of the vacuum with long-acting insulation construction, heat accumulation of multiple model with reference to present embodiment; The user can select according to actual needs; Can water temperature be remained on 95 ℃ of temperature of required optimum always as during drinking kung fu tea, rolling (opening) kettle, needn't consume energy adds hot water again, not only energy-conservation but also can avoid beneficial trace elements in the water heating for multiple times loss water of making tea, " fresh " of the water that keeps making tea; When brewing Longjing tea, select for use the dual heat preserving type electric kettle of the vacuum with long-acting insulation construction, heat accumulation of 85 ℃ of series the most desirable; When brewing tippy tea, can select for use the dual heat preserving type electric kettle of the vacuum with long-acting insulation construction, heat accumulation of 80 ℃, 82 ℃ or 84 ℃ series the most desirable; During towards coffee bubble coffee, towards milk powder or lotus root starch, can select the dual heat preserving type electric kettle of the vacuum with long-acting insulation construction, heat accumulation of series such as 86～95 ℃ as required for use.
The operation principle of present embodiment is:
Energising is boiled after 100 ℃ with the water in the inner bag 12; The phase change heat storage layer 13 of solid state is after draw heat is warmed up to the phase transformation fusing point from 100 ℃ boiling water; By the solid state layer structure be melt into liquid condition and be full of inner bag and heat storage can between the space; Heat just is housed in the liquid phase-change material, and bubble kung fu tea, Longjing tea or make coffee, roll during the milk powder (opening) kettle and can will store heat and progressively discharge again is transformed into solid state fully up to the liquid phase-change material; Becoming solid-state process again by solid-state-heat absorption liquefy-heat release, water temperature remains on required optimal temperature (being phase transformation temperature points) always.The storage heat is by the latent heat of phase change of phase-change material and the product decision of phase-change material amount.
One temperature control circuit is set in the kettle body, the water temperature in the kettle body inner bag 12 is controlled at 95 ℃, constitute the special-purpose teapot that brews kung fu tea.Because the closed vacuum insulation structure that present embodiment adopts is brewing 95 ℃ of the required temperature of kung fu tea through temperature control circuit with the water-in-kettle temperature control, therefore, both can guarantee can not damage electric kettle, water quality also can never be contaminated.In addition; Can design the energy-saving insulation insulating pot of multiple model with reference to present embodiment; The user can select according to actual needs; Can water temperature be remained on 95 ℃ of temperature of required optimum always as during drinking kung fu tea, rolling (opening) kettle, needn't consume energy adds hot water again, not only energy-conservation but also can avoid with the water heating for multiple times of making tea contribute beneficial trace elements in the dehydration, " fresh " of the water that keeps making tea; When brewing Longjing tea, can regulate temperature control circuit, make electric kettle constitute the energy-saving thermal-insulation electric heating kettle of 85 ℃ of series; When brewing tippy tea, the temperature control that can regulate temperature control circuit is that 80 ℃, 82 ℃ or 84 ℃ are the most desirable; During towards coffee bubble coffee, towards milk powder or lotus root starch, the temperature control that can regulate temperature control circuit is 86～95 ℃.
Heater is in to the inner bag heating; Also thermal store is heated; When the water in being heated to inner bag seethed with excitement (100 ℃), heater stopped heating, and this moment, thermal store also was warming up to 100 ℃; Because it is very fast that inner bag and boiling water temperature wherein descend, so thermal store continues inner bag is heated through heat conduction tie point.Because because the characteristic of thermal store self-heat conserving; The heat energy of thermal store storage can only conduct tie point through heat and heat to inner bag, therefore, thermal store to inner bag and the boiling water heating be slow and lasting; Therefore with boiled after 100 ℃; Water temperature remains on required optimal temperature (being phase transformation temperature points) always, the heating boiling water that needn't consume energy again, not only energy-conservation but can avoid with the water heating for multiple times of making tea contribute beneficial trace elements in the dehydration, " fresh " of the water that keeps making tea.
It is the stainless steel material of 0.2mm that inner bag 12 all adopts thickness with shell 11.
The described dual heat preserving type electric kettle of vacuum, heat accumulation with long-acting insulation construction of present embodiment adopts following specifications and models:
The dual heat preserving type electric kettle of the vacuum with long-acting insulation construction, the heat accumulation size table that table one is not with handles
Specific embodiment 2:
With reference to Fig. 3, the characteristics of present embodiment are:
Between the outer wall of vacuum layer 15 and shell 11, form heat insulation cavity, in this heat insulation cavity, establish foam layer 14.Thereby the heat that significantly reduces storage heat jar scatters and disappears, the temperature remains within the normal range to make shell simultaneously.
All the other are with specific embodiment 1.
Specific embodiment 3:
With reference to Fig. 4, the characteristics of present embodiment are:
The characteristics of present embodiment are: on the sidewall of said shell 11, be provided with handle 25.Other are identical with specific embodiment 2.
The described dual heat preserving type electric kettle of vacuum, heat accumulation with long-acting insulation construction of present embodiment adopts following specifications and models:
The dual heat preserving type electric kettle of the vacuum with long-acting insulation construction, the heat accumulation size table that table two is with handles
Specific embodiment 4:
The characteristics of present embodiment 4 are: the syndeton between kettle body 1 and the pot lid 2 is conventional electric hot water spring snap type syndeton, and promptly the rear end of pot lid 2 and kettle body 1 are for rotary type is connected, and the front end of pot lid 2 is connected for the push type snap-on with kettle body 1.Other are identical with specific embodiment 1 to 3 arbitrary embodiment.
Specific embodiment 5:
The characteristics of present embodiment 5 are: with reference to Fig. 5, the present invention also can be arranged to have the dual heat preserving type electric heating of vacuum, the heat accumulation kettle of long-acting insulation construction, comprises pot body 1 and pot cover 2, on pot cover 2, is provided with the water filling port 21 that is communicated with the inner chamber of inner bag 12; The sidewall that is positioned at water filling port 21 left sides on the pot cover 2 stretches out, forms pot mouth 22; On the roof that is positioned at water filling port 21 right sides on the pot cover 2, be provided with hasp plug 23; Said hasp plug 23 hasps are covered water filling port 21 on pot mouth 22 fully.Pot body 1 is provided with carrying handle 4.
Remaining insulation construction is identical with specific embodiment 1 to 3 with long-acting heat preservation principle.
Other embodiment:
The shape of said shell 11 can be square, polygonal cylindricality, cydariform or other shapes.The phase transformation fusing point of said phase change heat storage layer 13 is 80 ℃, 82 ℃, 83 ℃, 85 ℃, 86 ℃, 88 ℃, 90 ℃, 92 ℃ or 94 ℃.
The thin stainless steel material of the kettle body and function of kettle is processed, and shape has truncated cone, also can make other polygonal columns, drum type or other shapes.The water holding volume of kettle has 0.48～1.96L plurality of specifications.
The above; Be merely the preferable specific embodiment of the present invention; But protection scope of the present invention is not limited thereto; Any technical staff who is familiar with the present technique field is equal to replacement or change according to technical scheme of the present invention and inventive concept thereof in the scope that the present invention discloses, all belong to protection scope of the present invention.
Claims (9)
1. have the dual heat preserving type electric kettle of vacuum, heat accumulation of long-acting insulation construction, comprise kettle body (1) and pot lid (2), it is characterized in that:
1) said kettle body (1) comprises shell (11) and is arranged at the inner bag (12) of enclosure; Be provided with electric heater (3) in the bottom of kettle body (1); The heater of electric heater (3) closely contacts with inner bag (12); Between shell (11) and inner bag (12), be provided with closed cavity, in said closed cavity, fill up phase change heat-storing material, between shell (11) and inner bag (12), form closed phase change heat storage layer (13); The phase transformation fusing point of said closed phase change heat storage layer (13) is 80～95 ℃;
2) be provided with closed cavity between shell (11) and the closed phase change heat storage layer (13) or between closed phase change heat storage layer (13) and inner bag (12); Through said closed cavity is vacuumized, forming closed vacuum heat-insulating layer (15) between shell (11) and the closed phase change heat storage layer (13) or between closed phase change heat storage layer (13) and inner bag (12); Constitute 80 ℃～95 ℃ vacuum, the dual heat preserving type structure of heat accumulation by inner bag (12), closed phase change heat storage layer (13) and closed vacuum heat-insulating layer (15);
3) electric heater (3) comprises heater (3-1) and thermal store (3-2); The heater (3-1) of electric heater (3) closely contacts with inner bag (12); Thermal store (3-2) be looped around heater (3-1) around; Thermal store (3-2) is connected, forms the dispersion shape syndeton through some connectors (3-3) with heater (3-1); In section connecting element (3-3), be provided with heat conduction tie point (3-4), closely be connected with inner bag (12) through said heat conduction tie point (4-5), both form the point-like syndeton to make thermal store (3-2) and inner bag (12).
2. according to the described dual heat preserving type electric kettle of vacuum, heat accumulation of claim 1 with long-acting insulation construction; It is characterized in that: thermal store (3-2) is connected, forms the dispersion shape syndeton through six connectors (3-3) with heater (3-1); Respectively be provided with a heat conduction tie point (3-4) therein in three connectors (3-3); Closely be connected with inner bag (12) through said heat conduction tie point (3-4), both form the point-like syndeton to make thermal store (3-2) and inner bag (12).
3. the dual heat preserving type electric kettle of vacuum, heat accumulation with long-acting insulation construction according to claim 1 and 2, it is characterized in that: the phase transformation fusing point of phase change heat storage layer (13) is 80 ℃, 82 ℃, 83 ℃, 85 ℃, 86 ℃, 88 ℃, 90 ℃, 92 ℃ or 95 ℃.
4. the dual heat preserving type electric kettle of vacuum, heat accumulation with long-acting insulation construction according to claim 1 and 2; It is characterized in that: a temperature control circuit is set in the kettle body, the water temperature in the kettle body inner bag (12) is controlled at 80 ℃, 82 ℃, 83 ℃, 85 ℃, 86 ℃, 88 ℃, 90 ℃, 92 ℃ or 95 ℃.
5. the dual heat preserving type electric kettle of vacuum, heat accumulation with long-acting insulation construction according to claim 3; It is characterized in that: between the outer wall of phase change heat storage layer (13) and shell (11) inwall, heat insulation cavity is set, in this heat insulation cavity, establishes foam layer (14).
6. the dual heat preserving type electric kettle of vacuum, heat accumulation with long-acting insulation construction according to claim 1 and 2, it is characterized in that: said pot lid (2) is provided with the water filling port (21) that is communicated with the inner chamber of inner bag (12); The sidewall that is positioned at water filling port (21) left side on the pot lid (2) stretches out, forms Hu Zui (22); On the roof that is positioned at water filling port (21) right side on the pot lid (2), be provided with hasp plug (23); Said hasp plug (23) hasp is covered water filling port (21) on Hu Zui (22) fully.
7. the dual heat preserving type electric kettle of vacuum, heat accumulation with long-acting insulation construction according to claim 1 and 2 is characterized in that: kettle body (1) is connected with pot lid (2) through screw thread; Inner bag (12) opening part in kettle body (1) is provided with internal thread, is provided with external screw thread in the lower end of pot lid (2); On pot lid (2), also be provided with O RunddichtringO (24).
8. the dual heat preserving type electric kettle of vacuum, heat accumulation with long-acting insulation construction according to claim 1 and 2 is characterized in that: said kettle body (1) be shaped as truncated cone, square, polygonal cylindricality or cydariform.
9. the dual heat preserving type electric kettle of vacuum, heat accumulation with long-acting insulation construction according to claim 1 and 2 is characterized in that: on the sidewall of said shell (11), be provided with handle (25).
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| CN102920332A (en) * | 2012-12-03 | 2013-02-13 | 广州市粤首实业有限公司 | Vacuum and heat-storage heat-preservation type dry-burning-prevention electric kettle with long-effect automatic heat-preservation structure |
| CN102920328A (en) * | 2012-11-27 | 2013-02-13 | 广州市粤首实业有限公司 | Heat storing insulation electric kettle of long-acting automatic insulation structure |
| CN102920326A (en) * | 2012-11-27 | 2013-02-13 | 广东粤首新科技有限公司 | Long-acting automatic insulation electric water heater |
| CN102920329A (en) * | 2012-11-27 | 2013-02-13 | 广州市粤首实业有限公司 | Vacuum and heat storage dual heat preservation electric kettle with long-acting automatic heat preservation structure |
| CN102920325A (en) * | 2012-11-27 | 2013-02-13 | 广州市粤首实业有限公司 | Vacuum insulation electric kettle of long-acting automatic insulation structure |
| CN102973144A (en) * | 2012-12-03 | 2013-03-20 | 余鸿 | Heat-storage heat insulation type dry burning prevention electric kettle with long-acting automatic heat insulation structure |
| CN102973139A (en) * | 2012-12-03 | 2013-03-20 | 余鸿 | Vacuum heat-preserving dry-burning-resistant electric kettle with long-acting automatic heat-preserving structure |
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| CN102920328A (en) * | 2012-11-27 | 2013-02-13 | 广州市粤首实业有限公司 | Heat storing insulation electric kettle of long-acting automatic insulation structure |
| CN102920326A (en) * | 2012-11-27 | 2013-02-13 | 广东粤首新科技有限公司 | Long-acting automatic insulation electric water heater |
| CN102920329A (en) * | 2012-11-27 | 2013-02-13 | 广州市粤首实业有限公司 | Vacuum and heat storage dual heat preservation electric kettle with long-acting automatic heat preservation structure |
| CN102920325A (en) * | 2012-11-27 | 2013-02-13 | 广州市粤首实业有限公司 | Vacuum insulation electric kettle of long-acting automatic insulation structure |
| CN102920332A (en) * | 2012-12-03 | 2013-02-13 | 广州市粤首实业有限公司 | Vacuum and heat-storage heat-preservation type dry-burning-prevention electric kettle with long-effect automatic heat-preservation structure |
| CN102973144A (en) * | 2012-12-03 | 2013-03-20 | 余鸿 | Heat-storage heat insulation type dry burning prevention electric kettle with long-acting automatic heat insulation structure |
| CN102973139A (en) * | 2012-12-03 | 2013-03-20 | 余鸿 | Vacuum heat-preserving dry-burning-resistant electric kettle with long-acting automatic heat-preserving structure |
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Application publication date: 20121114 |