CN202739716U - Heat-storage constant-temperature-control electric kettle with long-term temperature preservation structure and middle water outlet - Google Patents
Heat-storage constant-temperature-control electric kettle with long-term temperature preservation structure and middle water outlet Download PDFInfo
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- CN202739716U CN202739716U CN201220460943.9U CN201220460943U CN202739716U CN 202739716 U CN202739716 U CN 202739716U CN 201220460943 U CN201220460943 U CN 201220460943U CN 202739716 U CN202739716 U CN 202739716U
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Abstract
The utility model relates to a heat-storage constant-temperature-control electric kettle with a long-term temperature preservation structure and a middle water outlet. The electric kettle comprises a kettle body and a kettle lid, wherein an electric heater is arranged on the bottom of the kettle body; a heating body of the electric heater is closely contacted with an liner so as to form a closed phase-change heat storage layer between a case and the liner; the electric heater comprises the heating body and a heat storage body; the heat storage body is connected with the heating body through a plurality of connectors to form a scattered connection structure; heat-conducting connection points are arranged in part of the connectors; a point-shaped connection structure is formed between the heat storage body and the liner; the water outlet communicated with an inner cavity of the liner is formed on the upper middle part of the kettle body; a long spout is arranged at the water outlet; and a seal cover is arranged on the long spout. According to the utility model, by virtue of the self-heat-preservation characteristic of the heat storage body, heat stored in the heat storage body can be used for heating the liner only through the heat-conducting connection points, so that the heat storage body can be used for heating the liner and water in the liner slowly in a lasting manner. Accordingly, the heat-storage constant-temperature-control electric kettle provided by the utility model has a long-term temperature preservation effect.
Description
Technical field
The utility model belongs to the electric heating appliance technical field of daily living article.
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.
The utility model content
The purpose of this utility model provides the heat accumulation thermostatic control electric kettle with long-acting thermal-insulating structure of a kind of middle part water outlet, water temperature can be remained on required optimal temperature for a long time to solve, the boiling water temperature requirement of various tealeaves can be satisfied, the technical problem of the boiling water temperature requirement of making coffee, rush milk powder or lotus root starch can be satisfied again.
The purpose of this utility model can reach by following measure:
The heat accumulation thermostatic control electric kettle with long-acting thermal-insulating structure of middle part water outlet comprises kettle body and pot lid, and its design feature is:
1) described 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 and inner bag close contact, between shell and inner bag, be provided with closed cavity, in described closed cavity, fill up phase-change heat-storage material, between shell and inner bag, form closed phase-change thermal storage layer; The phase transformation fusing point of described closed phase-change thermal storage layer is 80～95 ℃, consists of 80 ℃～95 ℃ heat storage type insulation constructions by inner bag and closed phase-change thermal storage layer;
2) electric heater comprises heater and the thermal store that is comprised of heating element to boil water and insulation electric boiling plate heating element, the heater of electric heater and inner bag close contact, thermal store be looped around heater around, thermal store is connected, forms the dispersion shape syndeton by some connectors with heater, in section connecting element, be provided with heat conduction tie point, closely be connected with inner bag by described heat conduction tie point, make thermal store and inner bag form the point-like syndeton;
3) be provided with the delivery port that is communicated with the inner chamber of inner bag in the middle and upper part of described kettle body, be provided with long Hu Zui at water outlet, and be provided with capping at long Hu Zui, long Hu Zui is covered fully;
4) described heating element to boil water, insulation electric boiling plate heating element are connected with temperature controller separately respectively and are formed two heating element branch roads, these two heating element branch circuit parallel connections are connected on the two ends of power supply, in the branch road at insulation electric boiling plate heating element place, be serially connected with a key switch.
Described thermal store is connected, forms the dispersion shape syndeton by six connectors with heater, respectively be provided with a heat conduction tie point in three connectors therein, closely be connected with inner bag by described heat conduction tie point, make thermal store and inner bag form the point-like syndeton.
Form heat insulation cavity between described phase-change thermal storage layer outer wall and the shell, in heat insulation cavity, establish foam layer.Thereby greatly reduce the heat loss of phase-change thermal storage layer, the temperature remains within the normal range to make shell simultaneously.
Be threaded connection between described 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.
The beneficial effects of the utility model are:
1, the utility model is owing to being provided with closed phase-change thermal 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), reduce power consumption, 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.Simultaneously, because the characteristic of thermal store self-heat conserving, the heat energy of thermal store storage can only conduct tie point by 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 thermal-insulating.Therefore with boiled after 100 ℃, water temperature remains on required optimal temperature (being phase transformation temperature points) for a long time, when being lower than a certain temperature, heating element automatic operation to boil water, enter into again afterwards the state of long-time insulation, not only energy-conservation but also can avoid with the dilutional hyponatremia time heating 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 utility model, forming heat insulation cavity between described phase-change thermal storage layer outer wall and the shell, in heat insulation cavity, establish foam layer.Thereby greatly reduce the heat loss of phase-change thermal storage layer, strengthen the heat insulation effect of kettle body when the temperature remains within the normal range at shell.
3, owing in the improvement technical scheme of the present utility model, being provided with the delivery port that is communicated with the inner chamber of inner bag at described kettle body middle part, be provided with proboscis at delivery port, the place is provided with capping at proboscis, and is provided with capping at long Hu Zui.The middle part arranges long Hu Zui, and is relatively laborsaving during this structure pouring, makes tea at a distance when being convenient to make tea, and avoids the hot gas of boiling water to cover people's sight line, thereby prevents that the water in the teacup from overflowing, and is provided with capping at long Hu Zui, much cleaner, heat insulation effect is also better.
4, the phase transformation fusing point of the employed phase-change heat-storage material of the utility model 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.
Description of drawings
Fig. 1 is the structural representation of the utility model specific embodiment 1.
Fig. 2 is the electric heater structure schematic diagram of the utility model specific embodiment.
Fig. 3 is the structural representation of the utility model specific embodiment 2.
Fig. 4 is the structural representation of the utility model specific embodiment 3.
Fig. 5 is the circuit theory diagrams of the utility model heating element.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail:
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, electric heater 3 forms two heaters and inner bag 12 close contacts by heating element to boil water and insulation electric boiling plate heating element, between shell 11 and inner bag 12, be provided with closed cavity, in described closed cavity, fill up phase-change heat-storage material, between shell 11 and inner bag 12, form closed phase-change thermal storage layer 13; The phase transformation fusing point of described closed phase-change thermal storage layer 13 is 80～95 ℃, consists of 80 ℃～95 ℃ heat storage type insulation constructions by inner bag 12 and closed phase-change thermal storage layer 13; Electric heater 3 comprises heater 3-1 and thermal store 3-2, the heater 3-1 of electric heater 3 and inner bag 12 close contacts, thermal store 3-2 be looped around heater 3-1 around, thermal store 3-2 is connected, forms the dispersion shape syndeton by some connector 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 by described heat conduction tie point 3-4, both form the point-like syndeton to make thermal store 3-2 and inner bag 12; Be provided with the delivery port 16 that is communicated with the inner chamber of inner bag 12 in the middle and upper part of described kettle body 1, be provided with long kettle mouth 17 at delivery port 16 places, and be provided with capping 18 at long kettle mouth 17, long kettle mouth 17 is covered fully.
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.
Referring to Fig. 5, there is the work loop of two-way heating element to be attempted by both ends of power, wherein one the tunnel is heating element EH1 to boil water, 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 stainless steel electric boiling plate is that resistive heater is wrapped in a kind of electric heating device on the micarex (mica sheet).Micarex (mica sheet) heater utilizes the good insulating properties of micarex (mica sheet) and its resistance to elevated temperatures, and it is take micarex (sheet) as skeleton and insulating barrier, is aided with galvanized sheet or corrosion resistant plate is made supportive protection.
The ceramic electric heating plate, energising rear surface heating and not charged is widely used in light, heavy industry and the home electrical heater, its profile texture as domestic porcelain, but be embedded with heating wire inside.Because used ceramic material has good electrical insulation properties under operating temperature, so the surface is not charged, leakage current is little during work, and is safe and reliable.
Cast aluminium, cast copper electric boiling plate can be divided into die-cast and casting.Adopt high-purity aluminium block, copper billet when casting is produced, through high-temperature smelting pot with it by the solid-state liquid state that becomes, then being injected into has had in the mould that installs heating tube, behind cooling forming, carries out fine finishining again and is made.
In the present embodiment:
The phase transformation fusing point of phase-change thermal 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.Because the composite phase-change heat-storage 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.
Thermal store 3-2 is connected, forms the dispersion shape syndeton by six connector 3-3 with heater 3-1, respectively be provided with a heat conduction tie point 3-4 among three connector 3-3 therein, closely be connected with inner bag 12 by described heat conduction tie point 3-4, both form the point-like syndeton to make thermal store 3-2 and inner bag 12.
In addition, can design the heat-storage heat-preserving formula electric kettle with long-acting thermal-insulating structure of the middle part water outlet of Multiple Type with reference to the present embodiment, the user can select according to actual needs, water temperature can be remained on always 95 ℃ of temperature of required optimum as during drinking kung fu tea, rolling (opening) kettle, the again heating water that needn't 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 with long-acting thermal-insulating structure of middle part water outlet of 85 ℃ of series the most desirable; When brewing tippy tea, can select the energy-saving type heat-preserving kettle of 80 ℃, 82 ℃ or 84 ℃ series the most desirable; Rush coffee bubble coffee, when rushing milk powder or lotus root starch, can select as required the heat-storage heat-preserving formula electric kettle with long-acting thermal-insulating structure of the middle part water outlet of the series such as 86～95 ℃.
The operation principle of the present embodiment is:
Energising is boiled after 100 ℃ with the water in the inner bag 12, the phase-change thermal 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 stored 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 heat accumulation 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.Quantity of heat storage is determined by the latent heat of phase change of phase-change material and the product of phase-change material amount.Heater is in to the inner bag heating, also thermal store is heated, when the water in being heated to inner bag seethes with excitement (100 ℃), the heater stopped heating, this moment, thermal store also was warming up to 100 ℃, because inner bag and boiling water drop in temperature wherein are very fast, so thermal store continues inner bag is heated by 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 by heat and heat to inner bag, therefore, thermal store to inner bag and boiling water heating be slow and lasting, therefore with boiled after 100 ℃, water temperature remains on required optimal temperature (being phase transformation temperature points) for a long time, when water temperature is down to a certain numerical value, the insulation electric boiling plate heating element work of heater, because the better performances of insulation, not only energy-conservation but also can avoid trace element useful in the dilutional hyponatremia time loss on heating water of making tea, " fresh " of the water that keeps making tea.
Specific embodiment 2:
With reference to Fig. 3, the characteristics of the present embodiment are:
Between the outer wall of airtight phase-change thermal storage layer 13 and shell 11, form heat insulation cavity, in this heat insulation cavity, establish foam layer 14.Thereby greatly reduce the heat loss of airtight phase-change thermal storage layer, 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 the present embodiment are:
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.
Specific embodiment 5
The characteristics of the present embodiment 5 are: the utility model can also be made the heat-storage heat-preserving formula electric hot water Guo with long-acting thermal-insulating structure of top water outlet, be that described main body is the pot body of electric heating kettle, described lid is the pot cover of electric heating kettle, is provided with the delivery port that is communicated with the inner chamber of pot body inner bag at the pot body; Be provided with proboscis at water outlet, and be provided with capping at proboscis, proboscis is covered fully, the pot body is provided with carrying handle.Between pot body and inner bag, form closed phase-change thermal storage layer.
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 thermal 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 utility model is to be filled with composite phase-change heat-storage material in the cavity between wall and the shell outside the tank, to consist of the composite phase-change heat-storage layer, the composite phase-change heat-storage 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; it only is the better specific embodiment of the utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the scope that the utility model discloses; be equal to replacement or change according to the technical solution of the utility model and utility model design thereof, all belonged to protection domain of the present utility model.
Claims (4)
1. the heat accumulation thermostatic control electric kettle with long-acting thermal-insulating structure of middle part water outlet comprises kettle body (1) and pot lid (2), it is characterized in that:
1) 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, between shell (11) and inner bag (12), be provided with closed cavity, in described closed cavity, fill up phase-change heat-storage material, between shell (11) and inner bag (12), form closed phase-change thermal storage layer (13); The phase transformation fusing point of described closed phase-change thermal storage layer (13) is 80～95 ℃, consists of 80 ℃～95 ℃ heat storage type insulation constructions by inner bag (12) and closed phase-change thermal storage layer (13);
2) electric heater (3) comprises heater (3-1) and the thermal store (3-2) that is comprised of heating element to boil water and insulation electric boiling plate heating element, the heater (3-1) of electric heater (3) and inner bag (12) close contact, thermal store (3-2) be looped around heater (3-1) around, thermal store (3-2) is connected with heater (3-1) by some connectors (3-3), form the dispersion shape syndeton, in section connecting element (3-3), be provided with heat conduction tie point (3-4), closely be connected with inner bag (12) by described heat conduction tie point (3-4), both form the point-like syndeton to make thermal store (3-2) and inner bag (12);
3) be provided with the delivery port (16) that is communicated with the inner chamber of inner bag (12) in the middle and upper part of described kettle body (1), locate to be provided with long Hu Zui (17) at delivery port (16), and be provided with capping (18) at long Hu Zui (17), long Hu Zui (17) is covered fully;
4) described heating element to boil water, insulation electric boiling plate heating element are connected with temperature controller separately respectively and are formed two heating element branch roads, these two heating element branch circuit parallel connections are connected on the two ends of power supply, in the branch road at insulation electric boiling plate heating element place, be serially connected with a key switch.
2. the heat accumulation thermostatic control electric kettle with long-acting thermal-insulating structure of middle part water outlet according to claim 1, it is characterized in that: thermal store (3-2) is connected, forms the dispersion shape syndeton by six connectors (3-3) with heater (3-1), respectively be provided with therein a heat conduction tie point (3-4) in three connectors (3-3), closely be connected with inner bag (12) by described heat conduction tie point (3-4), both form the point-like syndeton to make thermal store (3-2) and inner bag (12).
3. the heat accumulation thermostatic control electric kettle with long-acting thermal-insulating structure of middle part water outlet according to claim 1 and 2, it is characterized in that: between the outer wall of phase-change thermal storage layer (13) and shell (11) inwall, heat insulation cavity is set, in this heat insulation cavity, establishes foam layer (14).
4. the heat accumulation thermostatic control electric kettle with long-acting thermal-insulating structure of middle part water outlet 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220460943.9U CN202739716U (en) | 2012-09-11 | 2012-09-11 | Heat-storage constant-temperature-control electric kettle with long-term temperature preservation structure and middle water outlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220460943.9U CN202739716U (en) | 2012-09-11 | 2012-09-11 | Heat-storage constant-temperature-control electric kettle with long-term temperature preservation structure and middle water outlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202739716U true CN202739716U (en) | 2013-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220460943.9U Expired - Lifetime CN202739716U (en) | 2012-09-11 | 2012-09-11 | Heat-storage constant-temperature-control electric kettle with long-term temperature preservation structure and middle water outlet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202739716U (en) |
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2012
- 2012-09-11 CN CN201220460943.9U patent/CN202739716U/en not_active Expired - Lifetime
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Granted publication date: 20130220 |
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