CN102307401A - Electric heating chassis and electric kettle - Google Patents
Electric heating chassis and electric kettle Download PDFInfo
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- CN102307401A CN102307401A CN201110216784A CN201110216784A CN102307401A CN 102307401 A CN102307401 A CN 102307401A CN 201110216784 A CN201110216784 A CN 201110216784A CN 201110216784 A CN201110216784 A CN 201110216784A CN 102307401 A CN102307401 A CN 102307401A
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- heat
- heating sheet
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- 238000005485 electric heating Methods 0.000 title claims abstract description 38
- 238000010438 heat treatment Methods 0.000 claims abstract description 125
- 239000000758 substrate Substances 0.000 claims abstract description 57
- 238000000576 coating method Methods 0.000 claims abstract description 39
- 239000011248 coating agent Substances 0.000 claims abstract description 38
- 239000000956 alloy Substances 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 239000002937 thermal insulation foam Substances 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000007650 screen-printing Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005275 alloying Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229910001203 Alloy 20 Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to a liquid heating chassis, in particular to an electric heating chassis and an electric kettle. This electrical heating chassis includes heat transfer base plate, is equipped with heating element on this heat transfer base plate, and this heating element includes two power connection ends, wherein: the heat transfer substrate is provided with an insulating heat conduction coating, the heating element is a heating sheet made of electrothermal alloy and arranged on the insulating heat conduction coating, the chassis further comprises a fixing structure for fixing the heating sheet on the insulating heat conduction coating in a pressing mode, and two power supply connecting ends of the heating sheet are arranged on the outer edge of the heating sheet. The electric kettle comprises a kettle body and the electric heating chassis. The heating sheet can be obtained only by stamping and cutting an electrothermal alloy sheet, the manufacturing cost is lower than that of a thick film heating sheet manufactured by expensive special equipment screen printing, and the heating sheet has the excellent performances of high heating speed, uniform heating, simple structure, small occupied space and the like similar to those of the thick film heating sheet.
Description
Technical field
The present invention relates to a kind of liquid heating, relate in particular to a kind of electric heating chassis and electric kettle.
Background technology
Present liquid heating such as electric kettle usually adopt the chassis mode of heating, and following two kinds of versions are arranged with regard to this chassis heating arrangement usually:
(1) heat-generating pipe chassis.The chassis of this structure comprises the metal card, and the metal card is provided with heat-generating pipe.The heat of heat-generating pipe carries out liquid heat through the bottom that the metal card passes to kettle kettle body again.Heat-generating pipe integral body is circular, is enclosed with heating wire in the aluminum shell.It is simple in structure that heat-generating pipe seems, but in fact operation is quite complicated, and typical heat-generating pipe manufacturing process comprises and surpasses 40 procedures, and not only energy consumption is bigger in manufacture process, but also can produce multiple dust material, therefore is not the product of energy-conserving and environment-protective.
(2) thick film heating chassis.This structural chassis is printed materials such as dielectric, heating resistor, conductor, glass protection glaze through the thick film silk-screen printing technique on stainless steel or ceramic substrate, form through high temperature sintering again.Temperature rose soon when heated on this chassis, heat capacity, and temperature fluctuation is little, and the water that burns one glass of 250ML only needs 20 seconds, and the temperature response time is significantly less than 60 seconds the temperature response time of traditional heat-generating pipe chassis.In addition, thick film heating chassis also has plurality of advantages.For example, less being applicable in the confined space that take up room used; Useful life is longer than traditional heat-generating pipe chassis; Efficiency of utilization can reach 70-95%, and is higher than traditional heat-generating pipe chassis efficiency of heating surface.Yet the present price in thick film heating chassis is still comparatively expensive, make be equipped with this chassis the electric kettle price competitiveness a little less than, be unfavorable for the popularization of product.
Therefore a kind of both energy-conserving and environment-protective are provided, manufacturing process is simple, and having the relatively low heating chassis of better electrical heating properties and cost is technical issues that need to address with the electric kettle with this heating chassis.
Summary of the invention
The technical problem that the present invention solves provides a kind of both energy-conserving and environment-protective, and manufacturing process is simple, has relatively low heating chassis of better electrical heating properties and cost and the electric kettle with this heating chassis.
For solving the problems of the technologies described above; First technical scheme that the present invention adopts is: a kind of electric heating chassis; Comprise heat transfer substrate, this heat transfer substrate is provided with heater element, and this heater element comprises two power connector ends; Wherein: said heat transfer substrate is provided with the insulating heat-conductive coating; Said heater element is the heating sheet of processing with electrothermal alloy that is arranged on this insulating heat-conductive coating, and this chassis comprises also and being used for the fixed structure of this heating sheet pressing and fixing on this insulating heat-conductive coating that two power connector ends of said heating sheet are located at the outer rim of heating sheet.
The electrothermal alloy material is a kind of alloy material that is used to make electric heating element.When electric current passes through alloying element, produce Joule effect, electric energy is transformed into heat energy.The electrothermal alloy product is made generally in thin silk material, circle wire rod, sheet metal band, under specific (special) requirements, also can be made into tubing and foundry goods.Electrothermal alloy generally need possess following performance requirement: (1) at high temperature should have good non-oxidizability (or anti-medium atmosphere aggressivity) and enough creep-resistant properties.(2) higher resistivity should be arranged, temperature coefficient of resistivity is low as far as possible, can bear bigger electric current.(3) excellent metallurgical production technology performance should be arranged and make processing characteristics.
Two power connector ends here are meant that the heating sheet connects the two poles of the earth of electricity, and each link can comprise more than one contact.This two power connector end connects heating sheet heating behind the two poles of the earth of power supply.The heating sheet of this structure can make things convenient for the installation of integral type thermostat and split type thermostat.When mounted; To generate heat the sheet pressing and fixing on the insulating heat-conductive coating through fixed structure; Two power connector ends of heating sheet are near the edge of fixed structure; Therefore needn't offer special power supply connecting hole on the fixed structure, directly be connected with power connector end power connector end is drawn out to outside the fixed structure with electric wire.Existing integral type thermostat or split type thermostat can be directly installed on this fixed structure, and the power connector end of heating sheet then can directly be connected with thermostat through electric wire from heating sheet outer rim.Wherein, said integral type thermostat is meant the thermostat of electric connector and thermostat one; Said split type thermostat is meant the separately independent thermostat that is provided with of electric connector and thermostat.
One of improve: said heating sheet is made up of continuous heating tape, and two free ends of this heating tape are respectively said two power connector ends, and this two free end is positioned at the outer rim of said heating sheet.
Two of improvement: said fixed structure comprises insulating trip, heat shield and the fixed tray that stack successively is provided with; This insulating trip fits on the said heating sheet, is fixedly connected so that said heating sheet is pressed together on the said insulating heat-conductive coating between said fixed tray and the said heat transfer substrate.Insulating trip is in order to prevent to generate heat the sheet electric leakage, and heat shield is to compress the heating sheet for compacting, and fixed tray is to be fixed on the heat transfer substrate for will generate heat sheet, insulating trip and heat shield etc.
Three of improvement: said heat shield is the heat insulation foam sheet.The heat insulation foam sheet can play insulating effect on the one hand, can also compress the heating sheet preferably on the other hand, makes the heating sheet be close to the insulating heat-conductive coating on the heat transfer substrate.
Four of improvement: the thickness of said heat insulation foam sheet is 0.2-4mm.
Five of improvement: said fixed tray edge is provided with brace; Said heat transfer substrate is provided with fixed connection portion; Said brace with the said portion of fixed connection; Thereby on heat transfer substrate, and the heating sheet is close to the surperficial insulating heat-conductive coating of heat transfer substrate in the middle of being crushed on fixed structure and heat transfer substrate with the fixed structure overall fixed.
Seven of improvement: said fixed structure comprises flexible insulation sheet and fixed tray, and this flexible insulation sheet is pressed together on the said heating sheet, and this fixed tray is fixedly connected with said heat transfer substrate so that said heating sheet is pressed together on the said insulating heat-conductive coating.
Nine of improvement: also be provided with the heat conduction oil reservoir between said heating sheet and the said insulating heat-conductive coating.Conduction oil can accelerate on the one hand the to generate heat heat transferred of sheet is gone out, on the other hand also can be so that the heating sheet further is close to the insulating heat-conductive coating, and the sheet that prevents to generate heat fails in time to pass the mistake thermal cut problem that causes because of amount of localized heat.
Ten of improvement: said heating sheet thickness is 0.02-0.5mm.
11 of improvement: the electrothermal alloy material that said heating sheet adopts is the 0Cr25A15A material.
12 of improvement: the resistance value scope of said heating sheet is 16-480 ohm.
13 of improvement: said heat transfer substrate is a metal substrate.The heat transfer substrate that metal material is processed on the one hand can be so that the heat transferred liquid of the sheet that will generate heat also can conveniently be provided with fixed structure on the other hand with fixing heating sheet.
Second technical scheme that the present invention adopts is: a kind of electric kettle; Comprise kettle body and the electric heating chassis of being located at kettle body bottom; Wherein, said electric heating chassis is above-mentioned arbitrary electric heating chassis, and said fixed structure is provided with integral type thermostat or split type thermostat.
One of improve: said heat transfer substrate is the kettle body chassis that is positioned at said kettle body bottom, this kettle body chassis end face directly with said kettle body in liquid contact with heating liquid, said insulating heat-conductive coating is coated on the bottom surface on this kettle body chassis.Be that heat transfer substrate in this scheme is a kettle body part, heat transfer substrate is the liquid in the heating kettle body directly.
Two of improvement: said heat transfer substrate is the panel that is heated that is arranged on said kettle body bottom, and this panel that is heated is fixedly connected with said kettle body bottom, and said insulating heat-conductive coating is coated on this panel that is heated.Promptly in this scheme, heat transfer substrate is not the part of kettle body, need come the liquid in the indirect kettle body through the bottom of kettle body after heat transfer substrate is heated.
The 3rd technical scheme that the present invention adopts is: a kind of electric kettle; Comprise kettle body and the electric heating chassis of being located at kettle body bottom; Wherein: said electric heating chassis is two described electric heating chassis of the first technical scheme improvement, and said fixed structure is provided with split type thermostat or integral type thermostat.In view of employing two power connector ends heating sheet outside, so both integral type thermostat or split type thermostat can be set directly on the fixed structure, but no matter be the thermostat of which kind of structure, can be arranged on the fixed tray of fixed structure.Split type thermostat generally comprises thermostat part and electric connector part, and electric connector part and thermostat part are connected to form series loop with two power connector ends of heating sheet.
Compared with prior art, beneficial effect is: on the one hand, heating sheet itself conducts electricity, and therefore need insulate in the heat transfer substrate surface of contact with it, prevents electric leakage; On the other hand, because the heating sheet electric heating capacity of processing with electrothermal alloy is lower, intensification is exceedingly fast, if the heat in heating sheet somewhere can not in time pass, the sheet that then can cause generating heat was located thermal cut at this, caused damage.Therefore the surface of heat transfer substrate need have the good heat transfer performance, and the heating sheet need combine closely with the heat transfer substrate surface, in time passes with the heat of the sheet that will generate heat.The insulating heat-conductive coating that the present invention is provided with on heat transfer substrate can solve the heating sheet and need prevent to leak electricity and the problem of in time conducting heat, and on this insulating heat-conductive coating, then can solve the problem of heating sheet local overheating fusing damage through the fixed structure sheet pressing and fixing of will generate heat.In addition; Heating sheet of the present invention only needs can obtain with electrothermal alloy thin slice die cut; Manufacturing cost with need compare through the thick film heating plate of expensive dedicated equipment silk screen printing manufacturing; Cost is cheaper, however that this heating sheet also has is fast with the similar firing rate of thick film heating plate, homogeneous heating, simple in structure, premium properties such as occupy little space.Therefore the present invention can solve the problem that existing two kinds of electric heating chassis technologies exist preferably.
Description of drawings
Fig. 1 is the structural representation of the electric kettle of embodiment 1;
Fig. 2 is the A part enlarged diagram of Fig. 1;
Fig. 3 is the structural representation of the heating sheet of embodiment 1;
Fig. 4 is the STRUCTURE DECOMPOSITION figure of the electric kettle of embodiment 1;
Fig. 5 is the sketch map that the electric kettle of embodiment 1 is provided with split type thermostat.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Embodiment 1
As shown in Figure 1, the electric heating kettle of present embodiment comprises kettle body 80, is located at the electric heating chassis 90 of kettle body 80 bottoms, and is connected with this electric heating chassis 90 and to it power supply base (figure does not show) of power supply is provided.
As shown in Figure 2, this electric heating chassis 90 comprises heat transfer substrate 10, and this heat transfer substrate 10 is provided with heater element.This heat transfer substrate 10 is provided with insulating heat-conductive coating 11; Heater element is the heating sheet of processing with electrothermal alloy 20 that is arranged on this insulating heat-conductive coating 11; And this chassis comprises also and being used for the fixed structure 30 of these heating sheet 20 pressing and fixing on this insulating heat-conductive coating 11 that two power connector ends 21,22 of heating sheet 20 are located at the outer rim of heating sheet 20.
The electrothermal alloy material is a kind of alloy material that is used to make electric heating element.When electric current passes through alloying element, produce Joule effect, electric energy is transformed into heat energy.The electrothermal alloy product is made generally in thin silk material, circle wire rod, sheet metal band, under specific (special) requirements, also can be made into tubing and foundry goods.Electrothermal alloy generally need possess following performance requirement: (1) at high temperature should have good non-oxidizability (or anti-medium atmosphere aggressivity) and enough creep-resistant properties.(2) higher resistivity should be arranged, temperature coefficient of resistivity is low as far as possible, can bear bigger electric current.(3) excellent metallurgical production technology performance should be arranged and make processing characteristics.
Two power connector ends here are meant that heating sheet 20 connects the two poles of the earth of electricity, and each link can comprise more than one contact.This two power connector end connects heating sheet 20 heatings behind the two poles of the earth of power supply.The heating sheet 20 of this structure can make things convenient for the installation of integral type thermostat and split type thermostat.When mounted; To generate heat sheet 20 pressing and fixing on insulating heat-conductive coating 11 through fixed structure 30; Two power connector ends of heating sheet 20 are arranged near the edge of fixed structure 30; Therefore needn't offer special power supply connecting hole on the fixed structure 30, can directly be connected with power connector end it is drawn out to outside the fixed structure 30 with lead.Existing integral type thermostat or split type thermostat can be directly installed on this fixed structure 30, and the power connector end of heating sheet 20 then directly is connected with thermostat through electric wire from heating sheet 20 outer rims.Wherein, said integral type thermostat is meant the thermostat of electric connector and thermostat one; Said split type thermostat is meant the separately independent thermostat that is provided with of electric connector and thermostat.
As shown in Figure 3, this heating sheet 20 is made up of continuous heating tape, and two free ends of this heating tape are respectively two power connector ends, and this two free end is positioned at the outer rim of heating sheet 20.
Like Fig. 2 and shown in Figure 4; This fixed structure 30 comprises insulating trip 31, heat shield 32 and the fixed tray 33 that stack successively is provided with; This insulating trip 31 fits on the heating sheet 20, is fixedly connected with the sheet 20 that will generate heat between fixed tray 33 and the heat transfer substrate 10 to be pressed together on the insulating heat-conductive coating 11.Insulating trip 31 is in order to prevent to generate heat sheet 20 electric leakages, and heat shield 32 is to compress heating sheet 20 for compacting, and fixed tray 33 is to be fixed on the heat transfer substrate 10 for the sheet 20 that will generate heat, insulating trip 31 and heat shield 32 etc.The heat shield 32 of present embodiment adopts the heat insulation foam sheet, and its thickness is 0.2-4mm.The heat insulation foam sheet can play insulating effect on the one hand, can also compress heating sheet 20 on the other hand preferably, makes heating sheet 20 be close to the insulating heat-conductive coating 11 on the heat transfer substrate 10.
These fixed tray 33 edges are provided with brace 331; Heat transfer substrate 10 is provided with fixed connection portion 12; Brace 331 be fixedly connected portion 12 and be fixedly connected; Thereby on heat transfer substrate 10, and heating sheet 20 is crushed on the insulating heat-conductive coatings 11 of being close to heat transfer substrate 10 surfaces in the middle of fixed structure 30 and the heat transfer substrate 10 with fixed structure 30 overall fixed.
As previously mentioned, both the integral type thermostat can be set on the fixed structure 30 of present embodiment, also split type thermostat can be set.Though be provided with integral type thermostat ratio split type thermostat is set can be convenient, both differences are not very big.To be that example describes so that split type thermostat to be set below.
As shown in Figure 5; The fixed structure 30 of present embodiment is provided with split type thermostat; This split type thermostat comprises first power connector 43 and two thermostats 41; Wherein this first power connector 43 is fixed through support and its two electrode is connected with second source link 22 with first power connector end 21 of heating sheet 20 respectively through lead, and power supply base is provided with and cooperates second source connector (scheming not show) with this first power connector 43.This thermostat 41 can be fixedly connected thermostat 41 is fixed to (specifically being to place on the fixed tray 33) on the fixed structure 30 through the portion that is fixedly connected on connector 42 and the heat transfer substrate 10 12.This first power connector end 21 is connected with this first power connector 43 through splicing ear 35.
The power connector of split type thermostat and thermostat are independent respectively the settings, therefore can directly use existing power connector and existing thermostat (for example Kick type temperature controller).For easy-to-connect and the middle part electric leakage that prevents fixed structure 30 damage kick thermostat and electric connector, thermostat 41 is arranged near the edge of fixed structure 30, can be provided with a plurality ofly, and for example two thermostats 41 are to play the effect of double shielding.In addition, first power connector 43 is arranged on the support, the locus relative fixed of support and fixed structure 30, two power connector ends of convenient heating sheet 20 are connected with the two poles of the earth of electric connector.
In the present embodiment, the support that is used for fixing first power connector 43 of split type thermostat is arranged on the centre position of this kettle body bottom 81 for kettle body bottom 81, the first power connectors 43 that are fixedly connected with kettle body 80 bottoms.When being placed on kettle body 80 on the power supply base; First power connector 43 in the kettle body bottom 81 of kettle body 80 bottoms will be realized cooperating with first power connector 43 in the power supply base; After the opening power, can start the liquid in the heating sheet 20 work heating kettle bodies 80.
In addition, also be provided with heat conduction oil reservoir (figure does not show) between this heating sheet 20 and the insulating heat-conductive coating 11.Conduction oil can accelerate on the one hand the to generate heat heat transferred of sheet 20 is gone out, on the other hand also can be so that heating sheet 20 further is close to insulating heat-conductive coating 11, and the sheet 20 that prevents to generate heat fails in time to pass the mistake thermal cut problem that causes because of amount of localized heat.The thickness of present embodiment heating sheet 20 is 0.02-0.5mm, and the electrothermal alloy material that it adopts is the 0Cr25A15A material, and the resistance range of heating sheet 20 is 16-480 ohm.
In addition, this heat transfer substrate 10 is a metal substrate.The heat transfer substrate 10 that metal material is processed on the one hand can be so that the heat transferred liquid of the sheet 20 that will generate heat also can conveniently be provided with fixed structure 30 on the other hand with fixing heating sheet 20.
In addition, this heat transfer substrate 10 is for being positioned at the kettle body chassis (with reference to figure 2) of kettle body 80 bottoms, this kettle body chassis end face directly with kettle body 80 in liquid contact with heating liquid, insulating heat-conductive coating 11 is coated on the bottom surface on this kettle body chassis.Be that heat transfer substrate 10 in the present embodiment is kettle body 80 parts, heat transfer substrate 10 is the liquid in the heating kettle body 80 directly.
Embodiment 2
Difference part in the face of present embodiment and embodiment 1 describes down: the fixed structure of present embodiment comprises flexible insulation sheet and fixed tray; This flexible insulation sheet is pressed together on the heating sheet, and this fixed tray is fixedly connected with heat transfer substrate with the sheet that will generate heat and is pressed together on the insulating heat-conductive coating.
This heat transfer substrate is the panel that is heated that is arranged on kettle body bottom, and this panel that is heated is fixedly connected with kettle body bottom, and the insulating heat-conductive coating is coated on this panel that is heated.In the present embodiment promptly, heat transfer substrate is not the part of kettle body, need come the liquid in the indirect kettle body through the bottom of kettle body after heat transfer substrate is heated.
In fact, those skilled in the art expect easily and realize the insulating heat-conductive coating is replaced to the insulating heat-conductive plate.Therefore insulating heat-conductive coating of the present invention is replaced to the insulating heat-conductive plate also belongs to protection scope of the present invention.
Claims (16)
1. electric heating chassis; Comprise heat transfer substrate, this heat transfer substrate is provided with heater element, and this heater element comprises two power connector ends; It is characterized in that: said heat transfer substrate is provided with the insulating heat-conductive coating; Said heater element is the heating sheet of processing with electrothermal alloy that is arranged on this insulating heat-conductive coating, and this chassis comprises also and being used for the fixed structure of this heating sheet pressing and fixing on this insulating heat-conductive coating that two power connector ends of said heating sheet are located at the outer rim of heating sheet.
2. electric heating according to claim 2 chassis is characterized in that: said heating sheet is made up of continuous heating tape, and two free ends of this heating tape are respectively said two power connector ends, and this two free end is positioned at the outer rim of said heating sheet.
3. electric heating according to claim 1 chassis; It is characterized in that: said fixed structure comprises insulating trip, heat shield and the fixed tray that stack successively is provided with; This insulating trip fits on the said heating sheet, is fixedly connected so that said heating sheet is pressed together on the said insulating heat-conductive coating between said fixed tray and the said heat transfer substrate.
4. electric heating according to claim 3 chassis is characterized in that: said heat shield is the heat insulation foam sheet.
5. electric heating according to claim 4 chassis is characterized in that: the thickness of said heat insulation foam sheet is 0.2-4mm.
6. electric heating according to claim 3 chassis is characterized in that: said fixed tray edge is provided with brace, and said heat transfer substrate is provided with fixed connection portion, and said brace with the said portion of fixed connection.
7. electric heating according to claim 1 chassis; It is characterized in that: said fixed structure comprises flexible insulation sheet and fixed tray; This flexible insulation sheet is pressed together on the said heating sheet, and this fixed tray is fixedly connected with said heat transfer substrate so that said heating sheet is pressed together on the said insulating heat-conductive coating.
8. according to the arbitrary described electric heating of claim 1 to 7 chassis, it is characterized in that: also be provided with the heat conduction oil reservoir between said heating sheet and the said insulating heat-conductive coating.
9. according to the arbitrary described electric heating of claim 1 to 7 chassis, it is characterized in that: said heating sheet thickness is 0.02-0.5mm.
10. according to the arbitrary described electric heating of claim 1 to 7 chassis, it is characterized in that: the electrothermal alloy material that said heating sheet adopts is the 0Cr25A15A material.
11. according to the arbitrary described electric heating of claim 1 to 7 chassis, it is characterized in that: the resistance value scope of said heating sheet is 16-480 ohm.
12. according to the arbitrary described electric heating of claim 1 to 7 chassis, it is characterized in that: said heat transfer substrate is a metal substrate.
13. electric kettle; Comprise kettle body and the electric heating chassis of being located at kettle body bottom; It is characterized in that: said electric heating chassis is the arbitrary described electric heating of claim 1 to 12 chassis, and said fixed structure is provided with integral type thermostat or split type thermostat.
14. electric kettle according to claim 13; It is characterized in that: said heat transfer substrate is the kettle body chassis that is positioned at said kettle body bottom; This kettle body chassis end face directly with said kettle body in liquid contact with heating liquid, said insulating heat-conductive coating is coated on the bottom surface on this kettle body chassis.
15. electric kettle according to claim 13 is characterized in that: said heat transfer substrate is the panel that is heated that is arranged on said kettle body bottom, and this panel that is heated is fixedly connected with said kettle body bottom, and said insulating heat-conductive coating is coated on this panel that is heated.
16. electric kettle; Comprise kettle body and the electric heating chassis of being located at kettle body bottom; It is characterized in that: said electric heating chassis is the arbitrary described electric heating of claim 1 to 12 chassis, and said fixed structure is provided with split type thermostat or integral type thermostat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110216784A CN102307401A (en) | 2011-08-01 | 2011-08-01 | Electric heating chassis and electric kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110216784A CN102307401A (en) | 2011-08-01 | 2011-08-01 | Electric heating chassis and electric kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102307401A true CN102307401A (en) | 2012-01-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110216784A Pending CN102307401A (en) | 2011-08-01 | 2011-08-01 | Electric heating chassis and electric kettle |
Country Status (1)
| Country | Link |
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| CN (1) | CN102307401A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110338650A (en) * | 2018-04-04 | 2019-10-18 | 佛山市顺德区美的电热电器制造有限公司 | Liquid heating |
| CN115773527A (en) * | 2022-11-21 | 2023-03-10 | 浙江清焓科技有限公司 | Nanometer intelligent heating core heating warmer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2372611Y (en) * | 1999-05-17 | 2000-04-05 | 于宾 | External heating electric water heater |
| US20080135541A1 (en) * | 2006-12-09 | 2008-06-12 | Zheng Peng | Heating apparatus for appliances |
| CN201303851Y (en) * | 2009-02-17 | 2009-09-09 | 刘日明 | Heat preservation electric kettle |
| CN201870433U (en) * | 2010-08-30 | 2011-06-22 | 杨斌 | Energy efficient electric pressure cooker |
| CN202178883U (en) * | 2011-08-01 | 2012-03-28 | 美的集团有限公司 | Electric heating chassis and electric kettle |
-
2011
- 2011-08-01 CN CN201110216784A patent/CN102307401A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2372611Y (en) * | 1999-05-17 | 2000-04-05 | 于宾 | External heating electric water heater |
| US20080135541A1 (en) * | 2006-12-09 | 2008-06-12 | Zheng Peng | Heating apparatus for appliances |
| CN201303851Y (en) * | 2009-02-17 | 2009-09-09 | 刘日明 | Heat preservation electric kettle |
| CN201870433U (en) * | 2010-08-30 | 2011-06-22 | 杨斌 | Energy efficient electric pressure cooker |
| CN202178883U (en) * | 2011-08-01 | 2012-03-28 | 美的集团有限公司 | Electric heating chassis and electric kettle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110338650A (en) * | 2018-04-04 | 2019-10-18 | 佛山市顺德区美的电热电器制造有限公司 | Liquid heating |
| CN115773527A (en) * | 2022-11-21 | 2023-03-10 | 浙江清焓科技有限公司 | Nanometer intelligent heating core heating warmer |
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