CN202723560U - Constant-temperature type electric heating kettle with long-lasting temperature-retaining and heat-storage structure for discharging water from top part - Google Patents
Constant-temperature type electric heating kettle with long-lasting temperature-retaining and heat-storage structure for discharging water from top part Download PDFInfo
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- CN202723560U CN202723560U CN201220470779.XU CN201220470779U CN202723560U CN 202723560 U CN202723560 U CN 202723560U CN 201220470779 U CN201220470779 U CN 201220470779U CN 202723560 U CN202723560 U CN 202723560U
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Abstract
The utility model discloses a constant-temperature type electric heating kettle with a long-lasting temperature-retaining and heat-storage structure for discharging water from a top part. The constant-temperature type electric heating kettle comprises a kettle body and a kettle cover, wherein the kettle body comprises a housing and an inner tank in the housing; an electric heater is arranged at the bottom part of the kettle body, and the electric heater comprises a heating body consisting of a water heater and a temperature-retaining electric heating plate heater, and temperature controllers for the water heater and the temperature-retaining electric heating plate heater; the heating body of the electric heater is tightly contacted with the inner tank; a sealed phase-change heat storage layer is formed between the housing and the inner tank; the electric heater further comprises a heat storage body which is connected with the heating body by a plurality of connecting components, so as to form a radial connecting structure; a water outlet communicated with an internal chamber of the inner tank is formed on the kettle cover; and a seal cover is arranged at the water outlet. According to the constant-temperature type electric heating kettle, the heat stored in the storage body just can heat the inner tank through a heat conductive connecting point according to the self-insulation characteristic of the heat storage body, so that the inner tank and the water in the inner tank are slowly heated by the heat storage body in a long-lasting way; and the constant-temperature type electric heating kettle has the beneficial effect of being long-lasting in temperature retaining.
Description
Technical field
The utility model belongs to the electric heater technical field of electrical home appliances.
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 purpose of this utility model provides the thermostatic type electric kettle with long-acting thermal-insulating and heat storage structure of a kind of top water outlet, water temperature can be remained on required optimal temperature for a long time to solve electric kettle, the boiling water temperature requirement of the high tealeaves such as Longjing tea, tippy tea can be satisfied, the technical problem of the boiling water temperature requirement when making coffee, rushing milk powder, lotus root starch or ordinary tea leaves can be satisfied again.
To achieve these goals, the technical scheme that adopts of the utility model is as follows:
The thermostatic type electric kettle with long-acting thermal-insulating and heat storage structure of top 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, this electric heater comprises the heater that is comprised of heating element to boil water and insulation electric boiling plate heating element and temperature controller separately, 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; The heater of electric heater and inner bag close contact are provided with closed cavity between shell and inner bag, fill up phase change heat-storing material in described closed cavity, form closed phase change heat storage layer between shell and inner bag; Consist of the heat storage type insulation construction by inner bag and closed phase change heat storage layer;
2) electric heater also comprises thermal store, 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) described pot lid is provided with the delivery port that is communicated with the inner chamber of inner bag, is provided with capping at water outlet;
4) 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, establishes foam layer;
5) syndeton between kettle body and the pot lid is that the rear end of pot lid is that rotary type is connected with the kettle body, and the front end of pot lid is that the push type snap-on is connected with the kettle body.
The thermostatic type electric kettle with long-acting thermal-insulating and heat storage structure of described a kind of top water outlet is provided with handle at the sidewall of described shell.
The thermostatic type electric kettle with long-acting thermal-insulating and heat storage structure of described a kind of top water outlet is 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.
After the temperature controller parallel connection of the temperature controller of described insulation electric boiling plate heating element by multistage different control temperature, in the branch road at access insulation electric boiling plate heating element place, each contact that the change-over switch of a multichannel contact is arranged, be connected in series from the temperature controller of multistage different control temperature respectively, described multichannel contact is the structure of single channel gating.
The beneficial effects of the utility model are:
1, the utility model 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 ℃, water temperature can remain on required optimal temperature (being phase transformation temperature points) for a long time, 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.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.
2, owing in the improvement technical scheme of the present utility model, forming heat insulation cavity between described phase change heat storage layer outer wall 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 utility model, described pot lid is provided with the delivery port that is communicated with the inner chamber of inner bag, is provided with capping at water outlet.Not only much cleaner, heat insulation effect is also better.
4, the utility model uses the temperature control circuit that insulation electric boiling plate heating element forms, and the user can select according to actual needs, water temperature can be remained on always 95 ℃ of temperature of required optimum as roll (opening) kettle during drinking kung fu tea; When brewing Longjing tea, can regulate temperature control circuit, make electric kettle consist of the energy-saving type heat-preserving electric kettle of 85 ℃ of series; When brewing tippy tea, can regulate temperature control circuit and be 80 ℃, 82 ℃ or 84 ℃ the most desirable; Rush coffee bubble coffee, when rushing 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 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, this electric heater comprises heater (3-1) and the temperature controller separately that is comprised of heating element to boil water and insulation electric boiling plate heating element, described heating element to boil water, insulation electric boiling plate heating element is connected with temperature controller separately respectively and is 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; Concrete circuit structure has the work loop of two-way heating element to be attempted by both ends of power referring to Fig. 5, 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.
The heater of electric heater 3 and inner bag 12 close contacts are provided with closed cavity between shell 11 and inner bag 12, fill up phase change heat-storing material in described closed cavity, form closed phase change heat storage layer 13 between shell 11 and inner bag 12; 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; Electric heater 3 also comprises thermal store 3-2, 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; Described pot lid 2 is provided with the delivery port 21 that is communicated with the inner chamber of inner bag 12, and 21 places are provided with capping 22 at delivery port.
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.Being shaped as of described shell 11 is cylindrical.
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.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.
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.
The operation principle of the 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, 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) always.The storage heat 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 ℃, the water temperature long period remains on required optimal temperature (being phase transformation temperature points), 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 phase change heat 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 phase change heat 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 the 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 utility model is to be filled with the composite phase-change heat-storing material in the cavity between wall and the shell outside the tank, to consist 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.
Claims (4)
1. the thermostatic type electric kettle with long-acting thermal-insulating and heat storage structure of top 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), this electric heater comprises heater (3-1) and the temperature controller separately that is comprised of heating element to boil water and insulation electric boiling plate heating element, 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; 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-storing material, between shell (11) and inner bag (12), form closed phase change heat storage layer (13); Consist of the heat storage type insulation construction by inner bag (12) and closed phase change heat storage layer (13);
2) electric heater (3) also comprises thermal store (3-2), thermal store (3-2) be looped around heater (3-1) around, thermal store (3-2) is connected, forms the dispersion shape syndeton by 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) 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) described pot lid (2) is provided with the delivery port (21) that is communicated with the inner chamber of inner bag (12), locates to be provided with capping (22) at delivery port (21);
4) 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);
5) syndeton between kettle body (1) and the pot lid (2) be rear end and the kettle body (1) of pot lid (2) for rotary type is connected, the front end of pot lid (2) is connected for the push type snap-on with kettle body (1).
2. the thermostatic type electric kettle with long-acting thermal-insulating and heat storage structure of top water outlet according to claim 1, it is characterized in that: the sidewall at described shell (11) is provided with handle (25).
3. the thermostatic type electric kettle with long-acting thermal-insulating and heat storage structure of top water outlet according to claim 1 is characterized in that: 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).
4. the electric kettle of water outlet heat-insulation constant temperature in top according to claim 1 control, it is characterized in that: after the temperature controller parallel connection of the temperature controller of described insulation electric boiling plate heating element by multistage different control temperature, in the branch road at access insulation electric boiling plate heating element place, each contact that the change-over switch of a multichannel contact is arranged, be connected in series from the temperature controller of multistage different control temperature respectively, described multichannel contact is the structure of single channel gating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220470779.XU CN202723560U (en) | 2012-09-14 | 2012-09-14 | Constant-temperature type electric heating kettle with long-lasting temperature-retaining and heat-storage structure for discharging water from top part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220470779.XU CN202723560U (en) | 2012-09-14 | 2012-09-14 | Constant-temperature type electric heating kettle with long-lasting temperature-retaining and heat-storage structure for discharging water from top part |
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| Publication Number | Publication Date |
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| CN202723560U true CN202723560U (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201220470779.XU Expired - Lifetime CN202723560U (en) | 2012-09-14 | 2012-09-14 | Constant-temperature type electric heating kettle with long-lasting temperature-retaining and heat-storage structure for discharging water from top part |
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| CN (1) | CN202723560U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102920327A (en) * | 2012-11-27 | 2013-02-13 | 广东粤首新科技有限公司 | Heat storing automatic insulation electric kettle |
-
2012
- 2012-09-14 CN CN201220470779.XU patent/CN202723560U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102920327A (en) * | 2012-11-27 | 2013-02-13 | 广东粤首新科技有限公司 | Heat storing automatic insulation electric kettle |
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Granted publication date: 20130213 |