CN102920327A - Heat storing automatic insulation electric kettle - Google Patents
Heat storing automatic insulation electric kettle Download PDFInfo
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- CN102920327A CN102920327A CN2012104917345A CN201210491734A CN102920327A CN 102920327 A CN102920327 A CN 102920327A CN 2012104917345 A CN2012104917345 A CN 2012104917345A CN 201210491734 A CN201210491734 A CN 201210491734A CN 102920327 A CN102920327 A CN 102920327A
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Abstract
The invention discloses a heat storing automatic insulation electric kettle. The electric kettle comprises a kettle body (1) and a kettle lid (2) and is characterized in that the kettle body (1) comprises a shell (11) and a liner (12) arranged inside the shell; an electric heater (3) is arranged at the bottom of the kettle body (1); heating units of the electric heater (3) are closely contacted with the liner (12); each heating unit comprises a water boiling heater and an insulating electric heating panel heater; the water boiling heater and the insulating electric heating panel heater are respectively connected at the two ends of a power supply in parallel after being connected with respective temperature controllers in series; a closed cavity is arranged between the shell (11) and the liner (12) and is filled with phase change heat storing materials; and a closed phase change heat storing layer (13) is formed between the shell (11) and the liner (12). The electric kettle can maintain the water temperature at the required optimum temperature for a long time and simultaneously has the characteristics of energy saving and water quality freshness maintaining.
Description
Technical field
The present invention relates to a kind of heat-storage heat-preserving formula electric kettle, and this electric kettle can boiling water and water temperature remained on required preference temperature for a long time, is useful in and water temperature is remained on 80 ℃~95 ℃ occasion.Belong to the daily living article technical field.
Background technology
At present, electric heater is the common tool of people's daily life, and electric water heater is because its to boil water fast, smokeless and odorless have the characteristics such as environmental protection, and is welcomed by the people.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 the high-grade tea such as Dragon Well tea, high-quality green tea, normally 80~85 ℃ of boiling water optimums; Make coffee or rush milk powder, lotus root starch etc., normally require the boiling water more than 85 ℃; And when drinking kung fu tea, approximately need water temperature to keep about 95 ℃ in 20 minutes always, should not repeatedly heat again, boil and change " fresh " of water.But electric heater of the prior art does not have heat insulation function mostly, perhaps, although have certain heat insulation function, has unreasonable structure, the poor shortcoming of heat insulation effect, therefore, can not satisfy the daily life needs.And traditional device that is used for the boiling water insulation, such as 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, there is any one impaired its insulation effect just obviously to descend, roll also fast reducing of (opening) coolant-temperature gage, the glass inner flask is easy to again breakage.Therefore, these thermos flasks can not satisfy people's the needs of making tea, infuse coffee, brew milk powder, lotus root starch or bubble kung fu tea equally.
Summary of the invention
The objective of the invention is in order to address the above problem, a kind of heat accumulation automatic heat-insulation type electric kettle is provided, water in the kettle through boiled to 100 ℃ boiling water, this electric kettle can remain on required optimal temperature for a long time with water temperature, the boiling water temperature requirement of the high tealeaves such as Longjing tea, tippy tea can be satisfied, the boiling water temperature requirement when making coffee, rushing milk powder, lotus root starch or ordinary tea leaves can be satisfied again.
Purpose of the present invention can reach by following measure:
A kind of heat accumulation automatic heat-insulation type electric kettle, comprise kettle body and pot lid, its design feature is: described kettle body comprises shell and is arranged at the inner bag of enclosure, bottom at the kettle body is provided with electric heater, the heater of electric heater and inner bag close contact, heater comprises heating element to boil water and insulation electric boiling plate heating element, and described heating element to boil water and insulation electric boiling plate heating element are attempted by both ends of power respectively with after separately temperature controller is connected in series; Between shell and inner bag, be provided with closed cavity, in described 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 described closed phase change heat storage layer is 80~95 ℃, consists of 80 ℃~95 ℃ heat storage type insulation constructions by inner bag and closed phase change heat storage layer.
Purpose of the present invention can also reach by following measure:
A kind of Technological improvement plan of the present invention is: the phase transformation fusing point of described 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: form heat insulation cavity between described phase change heat storage layer outer wall and the shell, establish foam layer in heat insulation cavity.Thereby greatly reduce the heat loss of phase change heat storage layer, the temperature remains within the normal range to make shell simultaneously.
A kind of Technological improvement plan of the present invention is: described 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; Described 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: be threaded connection between kettle body and the pot lid; 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: described kettle body be shaped as truncated cone, square, polygonal cylindricality or cydariform.
A kind of Technological improvement plan of the present invention is: the sidewall of described shell is provided with handle.
The invention has the beneficial effects as follows:
1, the present invention is owing to being provided with closed phase change heat storage layer, 80 ℃~95 ℃ heat storage type insulation constructions of formation, therefore with boiled after 100 ℃, the water temperature long period remains on required optimal temperature (being phase transformation temperature points), the heating boiling water that needn't too much consume energy, not only energy-conservation but also can avoid with the water heating for multiple times of making tea contribute trace element useful in the dehydration, " fresh " of the water that keeps making tea.
2, owing in the improvement technical scheme of the present invention, forming heat insulation cavity between the outer wall of described phase change heat storage layer and the shell, in heat insulation cavity, establish foam layer.Thereby greatly reduce the heat loss of phase change heat storage layer, strengthen 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, described 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; Described 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 type heat-preserving electric kettle of Multiple Type, the user can select according to actual needs, as when brewing Longjing tea, selects the energy-saving type heat-preserving electric kettle of 95 ℃ of series; 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; Rush coffee bubble coffee, when rushing milk powder or lotus root starch, can select as required 80~95 ℃ of thermal-insulation electric heating kettles that wait series.
5, because the heater of electric heater of the present invention comprises heating element to boil water and insulation electric boiling plate heating element, so after to the long period insulation, when water temperature dropped to a certain setting value, insulation electric boiling plate heating element can provide heat, make water temperature reach temperature required, continue again to transfer to keeping warm mode.
Description of drawings
Fig. 1 is the structural representation of the specific embodiment of the invention 1.
Fig. 2 is the structural representation of the specific embodiment of the invention 1 and specific embodiment 2.
Fig. 3 is the structural representation of the specific embodiment of the invention 3.
Fig. 4 is heating element circuit theory diagrams of the present invention.
The specific embodiment
The present invention is described in further detail below in conjunction with drawings and Examples:
Specific embodiment 1:
See figures.1.and.2, the present embodiment comprises kettle body 1 and pot lid 2, described 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 and inner bag 12 close contacts, heater comprises heating element to boil water and insulation electric boiling plate heating element, and described heating element to boil water and insulation electric boiling plate heating element are attempted by both ends of power respectively with after separately temperature controller is connected in series; Between shell 11 and inner bag 12, be provided with closed cavity, in described 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 described closed phase change heat storage layer 13 is 80~95 ℃, consists of 80 ℃~95 ℃ heat storage type insulation constructions by inner bag 12 and closed phase change heat storage layer 13.
The circuit structure of above-mentioned heater 3-1 has the work loop of two-way heating element to be attempted by both ends of power referring to Fig. 4, and wherein one the tunnel is heating element EH1 to boil water, and another road is insulation electric boiling plate heating element EH2.In heating element EH1 to boil water loop, be serially connected with temperature controller ST2 to boil water, this temperature controller ST1 to boil water disconnects when water temperature reaches boiling point.In insulation electric boiling plate heating element EH2 loop, be serially connected with insulation temperature controller ST2, when this insulation temperature controller ST2 is lower than 85 ℃ or 95 ℃ in water temperature, connects and carry out Heat preservation work, with the suitable temperature range of making tea of maintenance water temperature about 85 ℃ or 95 ℃.In insulation electric boiling plate heating element EH2 loop, be serially connected with work selection key SB.At heating element EH1 to boil water and insulation electric boiling plate heating element EH2 two ends respectively and be connected to indicator lamp HL1 to boil water with resistance R 1 series arm, be incubated indicator lamp HL2 and resistance R 2 series arms.In the work loop of power supply and two-way heating element, be serially connected with fuse FU.
Described temperature controller ST1 to boil water, heating element EH1 to boil water, insulation temperature controller ST2 and insulation electric boiling plate heating element EH2 and inner bag close contact.Described insulation electric boiling plate heating element EH2 adopts following a kind of: 1. stainless steel electric boiling plate (mica electric heating plate), 2. ceramic electric heating plate, 3. cast aluminium electric boiling plate, 4. cast copper electric boiling plate.
Described 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; Described 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.
Be threaded connection between kettle body 1 and the pot lid 2; 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.Described 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 ℃, consists of the specialized teapot that brews kung fu tea.It is the stainless steel material of 0.2mm that inner bag 12 and shell 11 all adopt thickness.
In the practical application, be provided with power supply base in the bottom of kettle body, be provided with the power connector that connects with electric heater 3 in the power supply base.
Because the composite phase-change heat-storing material that the present embodiment adopts is that chemical stability is good, latent heat of phase change large, nothing is crossed 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 joint heat-storage heat-preserving formula electric kettle of Multiple Type with reference to the present embodiment, the user can select according to actual needs, water temperature can be remained on for a long time 95 ℃ of temperature of required optimum as during drinking kung fu tea, rolling (opening) kettle, the again heating water that needn't too much consume energy, not only energy-conservation but also can avoid with the water heating for multiple times of making tea contribute trace element useful in the dehydration, " fresh " of the water that keeps making tea; When brewing Longjing tea, select the heat-storage heat-preserving formula electric kettle of 85 ℃ of series the most desirable; When brewing tippy tea, can select the energy-saving type heat-preserving kettle that to select 80 ℃, 82 ℃ or 84 ℃ series the most desirable; Rush coffee bubble coffee, when rushing milk powder or lotus root starch, can select as required 86~95 ℃ of heat-storage heat-preserving formula electric kettles that wait series.
The operation principle of the present embodiment is:
With reference to Fig. 1, 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, the bubble kung fu tea, Longjing tea or make coffee, rolling (opening) kettle during the milk powder can progressively discharge storage heat again, until the liquid phase-change material is transformed into solid state fully, becoming again solid-state process by solid-state-heat absorption liquefy-heat release, water temperature remains on required optimal temperature (being phase transformation temperature points) for a long time.The storage heat is determined by the latent heat of phase change of phase-change material and the product of phase-change material amount.
Specific embodiment 2:
With reference to Fig. 2, the characteristics of the present embodiment are: form heat insulation cavity between the outer wall of phase change heat storage layer 13 and shell 11, establish foam layer 14 in this heat insulation cavity.Thereby greatly reduce the heat loss of phase change heat storage layer 13, 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. 3, the characteristics of the present embodiment are: the sidewall at described shell 11 is provided with handle 25.Other are identical with specific embodiment 2.
Specific embodiment 4:
The characteristics of the 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 namely 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.
Other embodiment:
The shape of described shell 11 can be square, polygonal cylindricality, cydariform or other shapes.The phase transformation fusing point of described phase change heat storage layer 13 is 80 ℃, 82 ℃, 83 ℃, 85 ℃, 86 ℃, 88 ℃, 90 ℃, 92 ℃ or 94 ℃.
The thin stainless steel material of kettle body and function of kettle is made, 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 present invention is filled with the composite phase-change heat-storing material in the cavity between wall and the shell outside the tank, consists of composite phase-change storage thermosphere, the composite phase-change heat-storing material that is filled with in the cavity is that chemical stability is good, latent heat of phase change large, nothing is crossed cold-peace phenomenon of phase separation, nontoxic, non-corrosive material, and guaranteeing not damage kettle, water quality also can never be contaminated.
The above; only be the better specific embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the scope that the present invention discloses; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all belonged to protection scope of the present invention.
Claims (7)
1. heat accumulation automatic heat-insulation type electric kettle, comprise kettle body (1) and pot lid (2), it is characterized in that: described 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) and inner bag (12) close contact, heater comprises heating element to boil water and insulation electric boiling plate heating element, and described heating element to boil water and insulation electric boiling plate heating element are attempted by both ends of power respectively with after separately temperature controller is connected in series; Between shell (11) and inner bag (12), be provided with closed cavity, in described 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 described closed phase change heat storage layer (13) is 80~95 ℃, consists of 80 ℃~95 ℃ heat storage type insulation constructions by inner bag (12) and closed phase change heat storage layer (13).
2. a kind of heat accumulation automatic heat-insulation type electric kettle according to claim 1, 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 ℃.
3. a kind of heat accumulation automatic heat-insulation type electric kettle according to claim 1 is characterized in that: between the outer wall of phase change heat storage layer (13) and shell (11) inwall heat insulation cavity is set, establishes foam layer (14) in this heat insulation cavity.
4. a kind of heat accumulation automatic heat-insulation type electric kettle according to claim 1, it is characterized in that: described 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); The roof that is positioned at water filling port (21) right side at pot lid (2) is provided with hasp plug (23); Described hasp plug (23) hasp is covered water filling port (21) on Hu Zui (22) fully.
5. a kind of heat accumulation automatic heat-insulation type electric kettle according to claim 1, it is characterized in that: kettle body (1) is connected with pot lid (2) by 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).
6. a kind of heat accumulation automatic heat-insulation type electric kettle according to claim 1 is characterized in that: described kettle body (1) be shaped as truncated cone, square, polygonal cylindricality or cydariform.
7. a kind of heat accumulation automatic heat-insulation type electric kettle according to claim 1, it is characterized in that: the sidewall at described shell (11) is provided with handle (25).
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CN2012104917345A CN102920327A (en) | 2012-11-27 | 2012-11-27 | Heat storing automatic insulation electric kettle |
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Citations (7)
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CN1060957A (en) * | 1990-10-26 | 1992-05-13 | 方福德 | Non steam cooker |
JP2006043023A (en) * | 2004-08-03 | 2006-02-16 | Matsushita Electric Ind Co Ltd | Heat restraining tub and electric kettle |
CN201595678U (en) * | 2009-04-22 | 2010-10-06 | 王朝松 | Insulating electric heating pot |
CN102772134A (en) * | 2012-07-23 | 2012-11-14 | 余鸿 | Heat-accumulation thermal-insulation electric kettle |
CN102772133A (en) * | 2012-07-23 | 2012-11-14 | 余鸿 | Heat-accumulation thermal-insulation type electric kettle with long-time thermal insulation structure |
CN202723560U (en) * | 2012-09-14 | 2013-02-13 | 余鸿 | Constant-temperature type electric heating kettle with long-lasting temperature-retaining and heat-storage structure for discharging water from top part |
CN202739726U (en) * | 2012-09-25 | 2013-02-20 | 余鸿 | Heat storage insulating constant temperature control electric kettle with steam discharge outlet |
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2012
- 2012-11-27 CN CN2012104917345A patent/CN102920327A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1060957A (en) * | 1990-10-26 | 1992-05-13 | 方福德 | Non steam cooker |
JP2006043023A (en) * | 2004-08-03 | 2006-02-16 | Matsushita Electric Ind Co Ltd | Heat restraining tub and electric kettle |
CN201595678U (en) * | 2009-04-22 | 2010-10-06 | 王朝松 | Insulating electric heating pot |
CN102772134A (en) * | 2012-07-23 | 2012-11-14 | 余鸿 | Heat-accumulation thermal-insulation electric kettle |
CN102772133A (en) * | 2012-07-23 | 2012-11-14 | 余鸿 | Heat-accumulation thermal-insulation type electric kettle with long-time thermal insulation structure |
CN202723560U (en) * | 2012-09-14 | 2013-02-13 | 余鸿 | Constant-temperature type electric heating kettle with long-lasting temperature-retaining and heat-storage structure for discharging water from top part |
CN202739726U (en) * | 2012-09-25 | 2013-02-20 | 余鸿 | Heat storage insulating constant temperature control electric kettle with steam discharge outlet |
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Application publication date: 20130213 |