CN106993932B - Heating vessel - Google Patents
Heating vessel Download PDFInfo
- Publication number
- CN106993932B CN106993932B CN201610044017.6A CN201610044017A CN106993932B CN 106993932 B CN106993932 B CN 106993932B CN 201610044017 A CN201610044017 A CN 201610044017A CN 106993932 B CN106993932 B CN 106993932B
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- China
- Prior art keywords
- coating
- heating
- vessel
- surface scratch
- scratch hardness
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
- A47J27/21041—Water-boiling vessels, e.g. kettles electrically heated with heating elements arranged outside the water vessel
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
- A47J27/21058—Control devices to avoid overheating, i.e. "dry" boiling, or to detect boiling of the water
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
Abstract
The present invention provides a kind of heating vessels, comprising: vessel, heating component and coating；Vessel has the accommodating chamber for accommodating liquid；Heating component is used to heat the liquid in accommodating chamber；Coating is arranged on the inner wall of vessel, and the surface scratch hardness of coating is h；Thermal coefficient is λ.Heating vessel provided by the invention, the ratio between surface scratch hardness h and its thermal coefficient λ of coating are between 0.1 H/W~45 (mK) (mK) H/W, it ensure that coating is wear-resisting, durable and good heat conduction effect performance, improve the heating efficiency of product.
Description
Technical field
The present invention relates to household appliance technical fields, in particular to a kind of heating vessel.
Background technique
Currently, the electric heater unit of liquid has been to be concerned by more and more people, kettle on the market also emerges one after another, still
These insulating pot liners or heating bottom plate are mostly stainless steel polishing processing, and it is big all to have noise during heating up water substantially
Problem；This largely affects daily life and work, brings big inconvenience to consumer.
Summary of the invention
At least one in order to solve the above-mentioned technical problem, the purpose of the present invention is to provide one kind to have preferable noise reduction audio
The heating vessel of fruit.
To achieve the goals above, one embodiment of the invention provides a kind of heating vessel, including, container sheet
Body, the vessel have the accommodating chamber for accommodating liquid；Heating component, the heating component is for heating the receiving
Intracavitary liquid；And coating, the coating are formed on the inner wall of the vessel；Wherein, the surface scratch of the coating
Hardness is h；The coating thermal coefficient is λ；The ratio relation of the surface scratch hardness h and the thermal coefficient λ are as follows: 0.1
(m·K)·H/W≤h/λ≤45(m·K)·H/W。
Heating vessel provided by the invention is formed with coating on the inner wall of vessel, and it is flat that coating, which is directly observed,
Whole, but it is microcosmic upper with concaveconvex structure, gasification core is formed easily on coating in this way, gasification core grows up to form bubble, gas
Bubble is grown up to after size appropriate, and coating is detached from, and reduces the noise that heating vessel generates in heating liquid process.It applies
The ratio between surface scratch hardness h and its thermal coefficient λ of layer ensure that between 0.1 H/W~45 (mK) (mK) H/W
After bubble parameters to size appropriate, it is detached from coating, while ensure that coating is wear-resisting, durable and good heat conduction effect performance, from
And on the basis of guaranteeing coating noise-reducing effect, the heating efficiency of product is improved, to improve the market competition of product
Power.
Specifically, current market sales of insulating pot liner or heating bottom plate are mostly stainless steel polishing processing, burn
Universal noise is big during water, largely affects people's lives and work, brings inconvenience to consumer；And
Heating vessel provided by the invention, the ratio between surface scratch hardness h and its thermal coefficient λ of coating are in 0.1 (mK) H/W
Between~45 (mK) H/W, on the one hand, the ratio both avoided is too small, i.e. the surface scratch hardness h of coating it is too small or
The thermal coefficient λ of coating is excessive, causes coating softer, not wear-resisting, influence coating service life and influence noise reduction effect or
The case where increasing coating cost occurs；On the other hand, the ratio for avoiding the two is excessive, i.e. the surface scratch hardness h mistake of coating
Perhaps the thermal coefficient λ of coating greatly is too small to lead to that coating is more crisp, be not durable or influences the heat between liquid and vessel
The generation of the case where transmitting, the time that liquid is heated extends and influences noise reduction effect；Thus, the surface scratch of coating is rationally set
The ratio between hardness h and the thermal coefficient λ of coating after ensure that bubble parameters to size appropriate, are detached from coating, reduce liquid heating
The noise that container generates in heating liquid process, while ensure that the use reliability of coating, it also improves liquid heating and holds
The heating efficiency of device, to increase the competitiveness of product in market.
In addition, the heating vessel in above-described embodiment provided by the invention can also have following supplementary technology special
Sign:
In the above-mentioned technical solutions, the ratio relation of the surface scratch hardness h and the thermal coefficient λ are as follows: 0.25
(m·K)·H/W≤h/λ≤27(m·K)·H/W。
In the technical scheme, the ratio between the surface scratch hardness h of coating and its thermal coefficient λ are in 0.25 (mK) H/W
Between~27 (mK) H/W, on the one hand, the ratio both avoided is too small, i.e. the surface scratch hardness h of coating it is too small or
The thermal coefficient λ of coating is excessive, causes coating softer, not wear-resisting, influence coating service life and influence noise reduction effect or
The case where increasing coating cost occurs；On the other hand, the ratio for avoiding the two is excessive, i.e. the surface scratch hardness h mistake of coating
Perhaps the thermal coefficient λ of coating greatly is too small to cause coating is more crisp not to be durable or influence the heat between liquid and vessel
The generation of the case where transmitting, the time that liquid is heated extends and influences noise reduction effect；Thus, the surface scratch of coating is rationally set
The ratio between hardness h and the thermal coefficient λ of coating after ensure that bubble parameters to size appropriate, are detached from coating, reduce liquid heating
The noise that container generates in heating liquid process, while ensure that the use reliability of coating, improve heating vessel
Heating efficiency, to increase the competitiveness of product in market.
In any of the above-described technical solution, the heating power density of the bottom plate of the vessel is ρ；Wherein, described
The ratio relation of heating power density ρ and the surface scratch hardness h are as follows: 0.22W/ (Hcm2)≤ρ/h≤30W/(H·
cm2)。
In the technical scheme, the ratio between the heating power density ρ of vessel upper plate and the surface scratch hardness h of coating
In 0.22W/ (Hcm2)~30W/ (Hcm2) between, on the one hand, the ratio for avoiding the two is too small, i.e. bottom on vessel
The heating power density ρ of plate is too small or the surface scratch hardness h of coating is excessive, causes the temperature rise of liquid slower, extends noise
The heating period duration or coating of generation are more crisp, are not durable, to influence the service life of coating and influence noise reduction effect
It happens；On the other hand, the ratio both avoided is excessive, i.e. the heating power density ρ of vessel upper plate it is excessive or
The surface scratch hardness h of person's coating is too small, causes energy waste or coating softer, not wear-resisting, to influence the use of coating
The case where service life and influence noise reduction effect, occurs；Thus, the heating power density ρ and coating of vessel upper plate are rationally set
The ratio between surface scratch hardness h, after ensure that bubble parameters to size appropriate, be detached from coating, reduce heating vessel and exist
The noise generated in heating liquid process, while ensure that the use reliability of coating, improve the temperature rise of heating vessel
Rate, to increase the competitiveness of product in market.
In any of the above-described technical solution, the ratio relation of the heating power density ρ and the surface scratch hardness h
Are as follows: 1W/ (Hcm2)≤ρ/h≤9W/(H·cm2)。
In the technical scheme, the ratio between the heating power density ρ of vessel upper plate and the surface scratch hardness h of coating
In 1W/ (Hcm2)~9W/ (Hcm2) between, on the one hand, the ratio both avoided is too small, i.e. vessel upper plate
Heating power density ρ is too small or the surface scratch hardness h of coating is excessive, causes the temperature rise of liquid slower, extends noise and generates
Heating period duration or coating it is more crisp, be not durable, thus influence coating service life and influence noise reduction effect the case where
Occur；On the other hand, the ratio for avoiding the two is excessive, i.e. the heating power density ρ of vessel upper plate is excessive or applies
The surface scratch hardness h of layer is too small, causes energy waste or coating softer, not wear-resisting, to influence the service life of coating
And the case where influencing noise reduction effect, occurs；Thus, the heating power density ρ of vessel upper plate and the table of coating are rationally set
The ratio between face scratch hardness h after ensure that bubble parameters to size appropriate, is detached from coating, reduces heating vessel and is heating
The noise generated in liquid process, while ensure that the use reliability of coating, the temperature rise rate of heating vessel is improved,
To increase the competitiveness of product in market.
In any of the above-described technical solution, the heating power of the heating vessel is P；Wherein, the heating function
The ratio relation of rate P and the surface scratch hardness h are as follows: 44W/H≤P/h≤3000W/H.
In the technical scheme, the ratio between surface scratch hardness h of the heating power P of heating vessel and coating is in 44W/
Between H~3000W/H, on the one hand, the ratio both avoided is too small, i.e. the heating power P of heating vessel it is too small or
The surface scratch hardness h of coating is excessive, causes the temperature rise of liquid slower, extends heating period duration or coating that noise generates
It is more crisp, be not durable, thus influence coating service life and influence noise reduction effect the case where generation；On the other hand, two are avoided
The ratio of person is excessive, i.e. the heating power P of heating vessel is excessive or the surface scratch hardness h of coating is too small, causes energy
Amount waste or coating it is softer, not wear-resisting, thus influence coating service life and influence noise reduction effect the case where generation；Cause
And the ratio between the heating power P and the surface scratch hardness h of coating of heating vessel are rationally set, it ensure that bubble parameters arrive
After size appropriate, it is detached from coating, reduces the noise that heating vessel generates in heating liquid process, while ensure that painting
The use reliability of layer, improves the temperature rise rate of heating vessel, to increase the competitiveness of product in market.
In any of the above-described technical solution, the ratio relation of the heating power P and the surface scratch hardness h are as follows:
125W/H≤P/h≤1000W/H。
In the technical scheme, the ratio between surface scratch hardness h of the heating power P of heating vessel and coating exists
Between 125W/H~1000W/H, on the one hand, the ratio for avoiding the two is too small, i.e. the heating power P of heating vessel is too small
Or the surface scratch hardness h of coating is excessive, causes the temperature rise of liquid slower, extend noise generate heating period duration or
Coating is more crisp, is not durable, thus influence coating service life and influence noise reduction effect the case where generation；On the other hand, it avoids
The ratio of the two is excessive, i.e. the heating power P of heating vessel is excessive or the surface scratch hardness h of coating is too small, makes
It is softer, not wear-resisting at energy dissipation or coating, thus influence coating service life and influence noise reduction effect the case where generation；
Thus, the ratio between the heating power P and the surface scratch hardness h of coating of heating vessel are rationally set, ensure that bubble parameters
To after size appropriate, it is detached from coating, the noise that heating vessel generates in heating liquid process is reduced, ensure that simultaneously
The use reliability of coating, improves the temperature rise rate of heating vessel, to increase the competitiveness of product in market.
In any of the above-described technical solution, the contact angle of the coating is θ；Wherein, the contact angle θ and the surface
The ratio relation of scratch hardness h are as follows: 8.89 °/H≤θ/h≤130 °/H.
In the technical scheme, the ratio between surface scratch hardness h of the contact angle θ of coating and coating 8.89 °/H~130 °/
Between H, on the one hand, the ratio both avoided is too small, i.e. the contact angle θ of coating is too small or the surface scratch hardness h of coating
It is excessive, cause gasification core to be not easy to form and influence the size of bubble and the disengaging of bubble, to increase in heating liquid journey
The noise or coating of generation are more crisp, are not durable, thus influence coating service life and influence noise reduction effect the case where generation；
On the other hand, the ratio both avoided is excessive, i.e. the contact angle θ of coating is excessive or the surface scratch hardness h of coating is too small,
Cause temperature of heating plate excessively high, cause temperature controller early jump or coating it is softer, not wear-resisting, thus influence coating service life and
The case where influencing noise reduction effect, occurs；Thus, the ratio between contact angle θ and the surface scratch hardness h of coating on coating are rationally set,
The use reliability that not only ensure that coating after ensure that bubble parameters to size appropriate, is detached from coating, greatly reduces liquid
The noise that body heating container generates in use, also extends the service life of product, to increase the market of product
Competitiveness.
In any of the above-described technical solution, the ratio relation of the contact angle θ and the surface scratch hardness h are as follows:
11.875°/H≤θ/h≤57.5°/H。
In the technical scheme, the ratio between surface scratch hardness h of the contact angle θ of coating and coating 11.875 °/H~
Between 57.5 °/H, on the one hand, the ratio both avoided is too small, i.e. the contact angle θ of coating is too small or the surface scratch of coating
Hardness h is excessive, causes gasification core to be not easy to form and influence the size of bubble and the disengaging of bubble, to increase heating liquid
The noise or coating generated in journey is more crisp, is not durable, thus the case where influencing the service life of coating and influence noise reduction effect
Occur；On the other hand, the ratio both avoided is excessive, i.e. the contact angle θ of coating is excessive or the surface scratch hardness h of coating
It is too small, cause temperature of heating plate excessively high, causing temperature controller, early jump or coating are softer, not wear-resisting, to influence the use of coating
The case where service life and influence noise reduction effect, occurs；Thus, the surface scratch hardness of contact angle θ and coating on coating are rationally set
The ratio between h not only ensure that the use reliability of coating, after ensure that bubble parameters to size appropriate, is detached from coating, drops significantly
The noise that low heating vessel generates in use, also extends the service life of product, to increase product
The market competitiveness.
In any of the above-described technical solution, the coating with a thickness of d；Wherein, the thickness d and the surface scratch
The ratio relation of hardness h are as follows: 0.56 μm/H≤d/h≤50 μm/H.
In the technical scheme, the ratio between surface scratch hardness h of the thickness d of coating and coating is in 0.56 μm/H~50 μm/H
Between, on the one hand, the ratio both avoided is too small, i.e. the thickness d of coating is too small or the surface scratch hardness h mistake of coating
Greatly, lead to that coating is softer, not wear-resisting, easy to damage or coating is more crisp, is not durable, influence the service life of coating and influence noise reduction
The case where effect, occurs；On the other hand, the ratio both avoided is excessive, i.e. the thickness d of coating is excessive or the surface of coating
Scratch hardness h is too small, leads to that coating adhesion is not strong, easy to fall off or coating is softer, not wear-resisting, influences the service life of coating
And the case where noise reduction effect, occurs；Thus, the ratio between thickness d and surface scratch hardness h of coating of coating are rationally set, ensure that
After bubble parameters to size appropriate, it is detached from coating, reduces the noise that heating vessel generates in heating liquid process, together
When ensure that the use reliability of coating, also extend the service life of product, considerably increase the competitiveness of product in market.
In any of the above-described technical solution, the ratio relation of the thickness d and the surface scratch hardness h are as follows: 1.87 μ
m/H≤d/h≤15μm/H。
In the technical scheme, the ratio between surface scratch hardness h of the thickness d of coating and coating is in 1.87 μm/H~15 μm/H
Between, on the one hand, the ratio both avoided is too small, i.e. the thickness d of coating is too small or the surface scratch hardness h mistake of coating
Greatly, lead to that coating is softer, not wear-resisting, easy to damage or coating is more crisp, is not durable, influence the service life of coating and influence noise reduction
The case where effect, occurs；On the other hand, the ratio both avoided is excessive, i.e. the thickness d of coating is excessive or the surface of coating
Scratch hardness h is too small, leads to that coating adhesion is not strong, easy to fall off or coating is softer, not wear-resisting, influences the service life of coating
And the case where influencing noise reduction effect, occurs；Thus, the ratio between thickness d and surface scratch hardness h of coating of coating are rationally set, protected
After having demonstrate,proved bubble parameters to size appropriate, it is detached from coating, what reduction heating vessel generated in heating liquid process makes an uproar
Sound, while ensure that the use reliability of coating, the service life of product is also extended, the market competition of product is considerably increased
Power.
In any of the above-described technical solution, the heating component includes: heating device, and the heating device is arranged in institute
It states on the bottom plate of vessel；Heating plate, the heating plate are arranged on the bottom plate of the vessel；And temperature controller, it is described
Temperature controller is used to detect the temperature T of the heating plate, and controls opening for the heating device according to the temperature T of the heating plate
Stop；Wherein, the temperature controller detects that the temperature T of the heating plate is lower than 95 DEG C, and the temperature controller controls the heating device
Starting；The temperature controller detects that the temperature T of the heating plate is higher than 115 DEG C, and the temperature controller controls the heating device and stops
Only；Wherein, the ratio relation of the temperature T of the heating plate and the surface scratch hardness h are as follows: 10.56 DEG C/H≤T/h≤115
℃/H。
In the technical scheme, heating device and heating plate are arranged on the bottom plate of vessel, are carried out when to liquid
When heating, start heating device, heating plate will be heated, then heat is transmitted in liquid from heating plate, realization pair
The operation that liquid in vessel is heated ensure that the heating efficiency of heating vessel, improve what user used
Comfort level；In addition, temperature controller is used to detect the temperature T of heating plate, it ensure that the temperature of heating plate is 95 DEG C~115 DEG C, a side
The case where face avoids temperature of heating plate T lower than 95 DEG C, causes liquid that cannot be boiled completely；On the other hand, it avoids adding
The case where hot plate temperature T is higher than 115 DEG C, causes the temperature T of heating plate excessively high, causes energy dissipation generation；In addition, heating plate
The ratio between surface scratch hardness h of temperature T and coating is between 10.56 DEG C/H~115 DEG C/H, on the one hand, avoids the ratio of the two
It is worth too small, i.e. the temperature T of heating plate is too small or the surface scratch hardness h of coating is excessive, causes liquid that cannot be boiled completely
Or coating it is more crisp, be not durable, thus influence coating service life and influence noise reduction effect the case where generation；On the other hand,
The ratio both avoided is excessive, i.e. the temperature T of heating plate is excessive or the surface scratch hardness h of coating is too small, causes energy
Waste or coating it is softer, not wear-resisting, thus influence coating service life and influence noise reduction effect the case where generation；Thus,
Rationally the ratio between the temperature T and the surface scratch hardness h of coating of setting heating plate, after ensure that bubble parameters to size appropriate,
It is detached from coating, the noise that heating vessel generates in heating liquid process is reduced, while having saved the energy, facilitates user
Use, it is ensured that the use reliability of coating, to increase the competitiveness of product in market.
In any of the above-described technical solution, the ratio relation of the temperature T of the heating plate and the surface scratch hardness h
Are as follows: 12.5 DEG C/H≤T/h≤52.5 DEG C/H.
In the technical scheme, the ratio between surface scratch hardness h of temperature T and coating of heating plate is 12.5 DEG C/H~52.5
DEG C/H between, on the one hand, the ratio both avoided is too small, i.e. the temperature T of heating plate is too small or the surface scratch of coating is hard
It is excessive to spend h, causes liquid that cannot be boiled completely or coating is more crisp, is not durable, to influence the service life and shadow of coating
The case where ringing noise reduction effect occurs；On the other hand, the ratio for avoiding the two is excessive, i.e. the temperature T of heating plate is excessive or applies
The surface scratch hardness h of layer is too small, causes energy dissipation or coating softer, not wear-resisting, to influence the service life of coating
And the case where influencing noise reduction effect, occurs；Thus, the ratio between the temperature T and the surface scratch hardness h of coating of heating plate are rationally set,
After ensure that bubble parameters to size appropriate, it is detached from coating, reduces what heating vessel generated in heating liquid process
Noise, while having saved the energy, it is convenient for users to use, it is ensured that the use reliability of coating, to increase product
The market competitiveness.
Additional aspect and advantage of the invention will become obviously in following description section, or practice through the invention
Recognize.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the schematic cross-sectional view of one embodiment of heating vessel of the present invention；
Fig. 2 is the broken section structural schematic diagram of vessel shown in Fig. 1.
Wherein, Fig. 1 to and Fig. 2 in corresponding relationship between appended drawing reference and component names are as follows:
10 vessels, 101 accommodating chambers, 30 heating components, 31 heating devices, 32 heating plates, 33 temperature controllers, 50 coatings.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Referring to heating vessel described in Fig. 1 and Fig. 2 description according to some embodiments of the invention.
As depicted in figs. 1 and 2, heating vessel includes: vessel 10, heating component 30 and coating 50.
Specifically, vessel 10 has the accommodating chamber 101 for accommodating liquid；Heating component 30 is for heating accommodating chamber
Liquid in 101；Coating 50 is formed on the inner wall of vessel 10, and coating 50 is wherein, the surface scratch hardness of coating 50
For h；The thermal coefficient of coating 50 is λ；The ratio relation of the thermal coefficient λ of the surface scratch hardness h and coating 50 of coating 50 are as follows:
0.1(m·K)·H/W≤h/λ≤45(m·K)·H/W。
Heating vessel provided by the invention, the ratio between surface scratch hardness h and its thermal coefficient λ of coating 50 are 0.1
(mK) between H/W~45 (mK) H/W, on the one hand, the ratio for avoiding the two is too small, i.e. the surface scratch of coating 50
Hardness h is too small or the thermal coefficient λ of coating 50 is excessive, causes coating 50 softer, not wear-resisting, influences the service life of coating 50
And it influences noise reduction effect or occurs the case where increasing by 50 cost of coating；On the other hand, the ratio for avoiding the two is excessive, that is, applies
The thermal coefficient λ of the excessive perhaps coating 50 of surface scratch hardness h of layer 50 is too small to lead to that coating 50 is more crisp, is not durable or shadow
Ring the heat transfer between liquid and vessel 10, the time that liquid is heated is extended to be happened and influences noise reduction and imitate
Fruit；Thus, the surface scratch hardness h of coating 50 and the ratio between the thermal coefficient λ of coating 50 is rationally set, ensure that bubble parameters arrive
After size appropriate, it is detached from coating 50, the noise that heating vessel generates in heating liquid process is reduced, ensure that simultaneously
The use reliability of coating 50, improves the heating efficiency of heating vessel, to increase the competitiveness of product in market.
In the above-mentioned technical solutions, the shape of heating vessel ontology 10 can be varied, 10 side wall of vessel
It can be with bottom integrally formed, be also possible to assembly welding together；Its material can also be that aluminium closes in addition to stainless steel
The materials such as gold, titanium alloy, copper can choose suitable material and carry out spray treatment；It is defended in addition, the material of coating 50 meets food
It is raw to require, and can long-term 150 DEG C of heatproof or more, the short time can be 260 DEG C of heatproof or more, can be organic coating (fluorine-containing coat
Or organic silicon coating), ceramic coating etc.；Moreover, coating 50 has adhesion well to vessel 10；Finally, coating 50
Corrosion resistance and good, the common oil in kitchen, salt, sauce, vinegar, tea etc. will not damage it.
In addition, it will be appreciated by those skilled in the art that the mode of " formation " of the application meaning includes but is not limited to: molten
It burns, spraying, vapor deposition and diffusion, low-temperature bake, electrochemical process, sol-gel and the original position modes such as reaction in-situ.Example
Such as, coating can be formed on the inner wall of vessel 10 by any or combinations thereof in these modes.
Based on the above-mentioned technical proposal, in the present invention in a specific embodiment, heating vessel ontology 10, which has, to be contained
The coating 50 of fluorine；In the present invention in another specific embodiment, coating 50 of the heating vessel ontology 10 with ceramics.
In one embodiment that the present invention invents, the surface scratch hardness h of coating 50 is 1H < h≤9H, coating 50
Thermal coefficient λ is 0.2W/ (mK)≤λ≤10W/ (mK), specifically, 2H≤h≤8H, 0.3W/ (mK)≤λ≤2W/
(m·K).And the ratio relation of the thermal coefficient λ of the surface scratch hardness h of coating 50 and coating 50 are as follows: 0.25 (mK) H/W
≤h/λ≤27m·K)·H/W。
In one particular embodiment of the present invention, the surface scratch hardness h of coating 50 is 3H, 50 thermal coefficient λ of coating
For 0.35W/ (mK).
In the present invention in another specific embodiment, the surface scratch hardness h of coating 50 is 6H, 50 thermal coefficient of coating
λ is 1.0W/ (mK).
In this embodiment, the surface scratch hardness h of coating 50 is 2H≤h≤8H, on the one hand, avoids the hard of coating 50
Degree is less than 2H, causes coating 50 softer, not wear-resisting, when preventing that the heating vessel is used for multiple times, friction such as liquid flowing etc.
Make the surface damage of coating 50, thus influence coating 50 service life and influence noise reduction effect the case where generation；On the other hand,
The hardness for avoiding coating 50 is greater than 8H, leads to that coating 50 is more crisp, is not durable, and influences the service life of coating 50 and influences noise reduction
The case where effect, occurs；And 50 thermal coefficient λ of coating is 0.3W/ (mK)~2W/ (mK), on the one hand, avoid coating 50
Thermal coefficient λ is less than 0.3W/ (mK), causes 50 thermal coefficient λ of coating too low, influences the heat between liquid and vessel 10
The case where amount transmitting, the time that liquid is heated extends and influences noise reduction effect generation, so that the use for improving product is comfortable
Degree；On the other hand, 50 thermal coefficient λ of coating is avoided greater than 2W/ (mK), is led to the higher cost of coating 50 and is influenced noise reduction
The case where effect, occurs, that is, reduces the manufacturing cost of product, to increase the competitiveness of product in market.
Experimental data shows that the coating 50 is relatively soft, and wear-resisting property is poor as the surface scratch hardness h < 1H of coating 50；
As the surface scratch hardness h > 1H of coating 50, the coating 50 is harder, and wear-resisting property is good；It is therefore preferred that 2H≤h≤
8H；And as thermal coefficient λ < 0.2W/ (mK) of coating 50, the heating conduction of coating 50 is poor, heating plate 32 when heating up water
Temperature it is higher, may cause the early the phenomenon that jumping of temperature controller 33, liquid caused to burn not open；As the thermal coefficient λ of coating 50
When >=0.2W/ (mK), the heating conduction of coating 50 is relatively good, and the temperature of heating plate 32 is lower when heating up water, and can make liquid just
It is often boiled.
In addition, the ratio between the surface scratch hardness h of coating 50 and its thermal coefficient λ are in 0.25mKH/W~27mK
Between H/W, on the one hand, the ratio both avoided is too small, i.e. the surface scratch hardness h of coating 50 is too small or coating 50 is led
Hot coefficient lambda is excessive, causes coating 50 softer, not wear-resisting, influences the service life of coating 50 and influences noise reduction effect or increase
The case where 50 cost of coating, occurs；On the other hand, the ratio for avoiding the two is excessive, i.e. the surface scratch hardness h mistake of coating 50
Perhaps the thermal coefficient λ of coating 50 is too small greatly causes coating 50 is more crisp not to be durable or influence between liquid and vessel 10
Heat transfer, the case where time that liquid is heated extends and influences noise reduction effect generation；Thus, coating 50 is rationally set
The ratio between the thermal coefficient λ of surface scratch hardness h and coating 50 after ensure that bubble parameters to size appropriate, are detached from coating 50,
The noise that heating vessel generates in heating liquid process is reduced, while ensure that the use reliability of coating 50, is improved
The heating efficiency of heating vessel, to increase the competitiveness of product in market.
In one embodiment of the invention, the heating power density ρ of the bottom plate of vessel 10 is 2W/cm2~30W/
cm2, and the ratio relation of the surface scratch hardness h of the heating power density ρ of heating vessel and coating 50 are as follows: 0.22W/
(H·cm2)≤ρ/h≤30W/(H·cm2)。
Specifically, the heating power density ρ of the bottom plate of vessel 10 is 5W/cm2~24W/cm2, it is preferable that 8W/cm2
~18W/cm2, and 0.625W/ (Hcm can be made according to the actual situation2)≤ρ/h≤12W/(H·cm2), it is preferable that 1W/ (H
cm2)≤ρ/h≤9W/(H·cm2)。
In one particular embodiment of the present invention, the heating power density ρ of the bottom plate of vessel 10 is 12W/cm2。
In the present invention in another specific embodiment, the heating power density ρ of the bottom plate of vessel 10 is 15W/
cm2。
In addition, the ratio between surface scratch hardness h of the heating power density ρ of vessel upper plate and coating 50 is in 1W/
(H·cm2)~9W/ (Hcm2) between, on the one hand, the ratio for avoiding the two is too small, i.e. the heating function of vessel upper plate
Rate density p is too small or the surface scratch hardness h of coating 50 is excessive, causes the temperature rise of liquid slower, extend it is that noise generates plus
Hot stage duration or coating 50 are more crisp, are not durable, thus the case where influencing the service life of coating 50 and influence noise reduction effect
Occur；On the other hand, the ratio for avoiding the two is excessive, i.e. the heating power density ρ of vessel upper plate is excessive or applies
The surface scratch hardness h of layer 50 is too small, causes energy waste or coating 50 softer, not wear-resisting, to influence making for coating 50
Occur with the service life and the case where influencing noise reduction effect；Thus, the heating power density ρ of vessel upper plate is rationally set and is applied
The ratio between the surface scratch hardness h of layer 50 after ensure that bubble parameters to size appropriate, is detached from coating 50, reduces liquid heating
The noise that container generates in heating liquid process, while ensure that the use reliability of coating 50, it improves liquid heating and holds
The temperature rise rate of device, to increase the competitiveness of product in market.
According to above-described embodiment it is found that being further limited to parameter, the heating power density ρ of 10 bottom plate of vessel
There are ratio relation, 0.2 (mK)/cm between the thermal coefficient λ of coating 502≤ρ/λ≤150(m·K)/cm2, according to reality
Situation can make 2.5 (mK)/cm2≤ρ/λ≤80(m·K)/cm2, it is preferable that 4 (mK)/cm2≤ρ/λ≤60(m·K)/
cm2；After better assuring that bubble parameters to size appropriate, it is detached from coating 50, makes heating vessel that there is preferably drop
Noise result.
In one embodiment of the invention, the heating power P of heating vessel is 400W~3000W, and liquid adds
The ratio relation of the surface scratch hardness h of the heating power P and coating 50 of heat container are as follows: 44W/H≤P/h≤3000W/H.
Specifically, 800W≤P≤2500W, it is preferable that 1000W≤P≤2000W, and 100W/H can be made according to the actual situation
≤ P/h≤1250W/H, it is preferable that 125W/H≤P/h≤1000W/H.
In one particular embodiment of the present invention, the heating power P of heating vessel is 1500W.
In the present invention in another specific embodiment, the heating power P of heating vessel is 1800W.
In this embodiment, during heating liquid, noise is more obvious in some heating period, and liquid heating is held
The heating power P of device is within the above range, on the one hand, if heating power P is less than 1000W, the temperature rise of liquid is slower, and noise produces
Raw time heating period will be long, and from reducing in noise result, efficiency is relatively low；On the other hand, if heating
Power P is greater than 2000W, then power is excessive, will cause energy dissipation, increases the use cost of product.Therefore, heating power P is
1000W~2000W, after better assuring that bubble parameters to size appropriate, be detached from coating 50, not only make coating 50 have compared with
Good noise-reducing effect, moreover it is possible on the basis of guaranteeing its heating efficiency, the production cost of product is reduced, to considerably increase
The competitiveness of product in market.
Under normal circumstances, the heating power P of heating vessel is 400W≤P≤3000W, can be made according to the actual situation
800W≤P≤2500W, it is preferable that 1000W≤P≤2000W.
In addition, the ratio between surface scratch hardness h of the heating power P of heating vessel and coating 50 125W/H~
Between 1000W/H, on the one hand, the ratio both avoided is too small, i.e. the heating power P of heating vessel is too small or coating
50 surface scratch hardness h is excessive, causes the temperature rise of liquid slower, extends heating period duration or coating 50 that noise generates
It is more crisp, be not durable, thus influence coating 50 service life and influence noise reduction effect the case where generation；On the other hand, it avoids
The ratio of the two is excessive, i.e. the heating power P of heating vessel is excessive or the surface scratch hardness h of coating 50 is too small, makes
It is softer, not wear-resisting at energy dissipation or coating 50, thus the case where influencing the service life of coating 50 and influence noise reduction effect
Occur；Thus, the heating power P of heating vessel and the ratio between the surface scratch hardness h of coating 50 is rationally set, ensure that gas
Bubble is grown up to after size appropriate, and coating 50 is detached from, and reduces the noise that heating vessel generates in heating liquid process, together
When ensure that the use reliability of coating 50, the temperature rise rate of heating vessel is improved, to increase the market of product
Competitiveness.
According to above-described embodiment it is found that being further limited to parameter, the heating power P and coating of heating vessel
There are ratio relation between 50 thermal coefficient λ, 40 λ≤15000 (mK)≤P/ (mK) can make 400 according to the actual situation
(mK)≤λ≤8333 P/ (mK), it is preferable that 500 λ≤6667 (mK)≤P/ (mK)；Better assure that bubble is long
After arriving size appropriate greatly, it is detached from coating 50, makes heating vessel that there is better noise-reducing effect.
In one embodiment of the invention, the contact angle of coating 50 is connecing for θ, and 80 °≤θ≤130 °, and coating 50
The ratio relation of the surface scratch hardness h of feeler θ and coating 50 are as follows: 8.89 °/H≤θ/h≤130 °/H.
Specifically, 90 °≤θ≤120 °, it is preferable that 95 °≤θ≤115 °, and can make according to the actual situation 11.25 °/H≤
θ/h≤60 °/H, it is preferable that 11.875 °/H≤θ/h≤57.5 °/H.
In one particular embodiment of the present invention, the contact angle θ of coating 50 is 103 °.
In the present invention in another specific embodiment, the contact angle θ of coating 50 is 108 °.
In this embodiment, on the one hand, the contact angle θ of coating 50 is set as 95 °≤θ≤115 °, makes the non-sticky of coating 50
Property it is moderate, after ensure that bubble parameters to size appropriate, be detached from coating 50, it is excessive to avoid contact angle θ, keep bubble too big,
It hinders the heat of 10 bottom of vessel to transmit into water, causes 32 temperature of heating plate excessively high, the feelings for causing temperature controller 33 early to be jumped
Condition occurs, and the case where not boiled so as to cause liquid, while also preventing the case where gasification core can not be formed, reduces
The noise generated in heating liquid process；On the other hand, the thickness d of coating 50 is 15 μm≤d≤30 μm, avoids coating 50
Softer, not wear-resisting, easy to damage or adhesive force is not strong, the case where being easy to fall off, to ensure that the use of coating 50 is reliable
Property and noise reduction effect, extend the service life of product, to increase the competitiveness of product in market.
Specifically, under normal circumstances, the contact angle θ (unit angle) of coating 50 should meet 80 ° of 130 ° of < θ <, there is reality
Data are tested it is found that 50 characteristic of coating is super-hydrophobicity when contact angle θ is 130 ° 180 ° of < θ <, it is extremely difficult to which wet solid can be made
The phenomenon that burning not open with liquid generation is jumped at temperature controller 33 is early；When contact angle θ is 100 °≤θ≤130 °, coating 50 is hydrophobic
Property, be difficult wet solid, have the effect of reducing noise, about 8-12dB, but it can also happen that temperature controller 33 it is early jump with
The phenomenon that liquid is burnt not open；When contact angle θ is 100 ° of 90 °≤θ <, coating 50 is hydrophobicity, is not easy wet solid, has bright
The effect of noise, about 3-8dB are reduced aobviously；When contact angle θ is 90 ° of 80 °≤θ <, coating 50 is hydrophily, wettable
Solid, the effect for reducing noise is unobvious, about 1-3dB；When 80 ° of contact angle θ <, coating 50 is hydrophily, easily wet
Solid, without the effect for reducing noise.Therefore, 90 °≤θ≤120 ° can be made according to the actual situation, it is preferable that 95 °≤θ≤
115°。
In addition, the ratio between surface scratch hardness h of the contact angle θ of coating 50 and coating 50 11.875 °/H~57.5 °/H it
Between, on the one hand, the ratio both avoided is too small, i.e. the contact angle θ of coating 50 is too small or the surface scratch hardness h of coating 50
It is excessive, cause gasification core to be not easy to form and influence the size of bubble and the disengaging of bubble, to increase in heating liquid journey
The noise or coating 50 of generation are more crisp, are not durable, thus the case where influencing the service life of coating 50 and influence noise reduction effect
Occur；On the other hand, the ratio both avoided is excessive, i.e. the contact angle θ of coating 50 is excessive or the surface scratch of coating 50
Hardness h is too small, causes 32 temperature of heating plate excessively high, and causing temperature controller 33, early jump or coating 50 are softer, not wear-resisting, to influence
The case where service life and influence noise reduction effect of coating 50, occurs；Thus, the contact angle θ and coating 50 of coating 50 are rationally set
The ratio between surface scratch hardness h, not only ensure that the use reliability of coating 50, also ensure bubble parameters to size appropriate
Afterwards, it is detached from coating 50, the noise that heating vessel generates in use is greatly reduced, also extends the use of product
Service life, to increase the competitiveness of product in market.
According to above-described embodiment it is found that further limiting to parameter, the contact angle θ of coating 50 is thermally conductive with coating 50
There are ratio relation between coefficient lambda, the heating power density ρ of 10 bottom plate of vessel and the heating power P of heating vessel,
8 (mK) °/W≤θ/λ≤650 (mK) °/W can make 11.25 (mK) °/W≤θ/λ≤400 according to the actual situation
(mK) °/W, it is preferable that 11.875 (mK) °/W≤θ/λ≤383 (mK) °/W；2.67°·cm2/W≤θ/ρ≤
65°·cm2/ W can make 3.75 ° of cm according to the actual situation2/W≤θ/ρ≤24°·cm2/ W, it is preferable that 5.28 ° of cm2/W≤
θ/ρ≤14.375°·cm2/W；3.1W/ °≤P/ θ≤37.5W/ °, can make according to the actual situation 6.7W/ °≤P/ θ≤
27.8W/ °, it is preferable that 8.7W/ °≤P/ θ≤21.1W/ °；After better assuring that bubble parameters to size appropriate, it is detached from and applies
Layer 50 makes heating vessel have better noise-reducing effect.
In one embodiment of the invention, the thickness d of coating 50 be 5 μm≤d≤50 μm, and the thickness d of coating 50 with
The ratio relation of the surface scratch hardness h of coating 50 are as follows: 0.56 μm/H≤d/h≤50 μm/H.
Specifically, 15 μm≤d≤30 μm, and 1.87 μm/H≤d/h≤15 μm/H.
In one particular embodiment of the present invention, the thickness d of coating 50 is 20 μm.
In the present invention in another specific embodiment, the thickness d of coating 50 is 30 μm.
In this embodiment, coating 50 with a thickness of 15 μm≤d≤30 μm, on the one hand, if the thickness d of coating 50 is less than 15
μm, then coating 50 is softer, not wear-resisting, easy to damage, influences the normal use of coating 50, prevents it from reaching noise-reducing effect；Separately
On the one hand, if the thickness d of coating 50 is greater than 30 μm, the adhesive force of coating 50 is not strong, is easy to fall off, and leverages coating 50
Service life and noise reduction effect, that is, ensure that the service life and noise reduction effect of product, to increase the market competition of product
Power.
Experimental data can obtain, and when 5 μm of d <, coating 50 is too thin, it is easy to wear, and its noise-reducing effect is general, probably
For 1-3dB；When 5 μm≤d≤50 μm, the thickness d of coating 50 is moderate, and adhesive force is stronger, has preferable noise-reducing effect,
About 3-12dB；When 50 μm of d >, coating 50 is too thick, and adhesive force is poor, is easy to fall off, and noise-reducing effect is about at this time
12dB.Therefore, in order to guarantee coating 50 heat-transfer effect, noise reduction effect and performance not easy to fall off well, the thickness d of coating 50
Need to meet 5 μm≤d≤50 μm, it is preferable that 15 μm≤d≤30 μm.
In addition, the thickness d of coating 50 and the ratio between the surface scratch hardness h of coating 50 be between 1.87 μm/H~15 μm/H,
On the one hand, the ratio both avoided is too small, i.e. the thickness d of coating 50 is too small or the surface scratch hardness h of coating 50 is excessive,
Lead to that coating 50 is softer, not wear-resisting, easy to damage or coating 50 is more crisp, is not durable, influences the service life and influence of coating 50
The case where noise reduction effect, occurs；On the other hand, the ratio both avoided is excessive, i.e. the thickness d of coating 50 is excessive or coating
50 surface scratch hardness h is too small, leads to that 50 adhesive force of coating is not strong, easy to fall off or coating 50 is softer, not wear-resisting, influences to apply
The case where service life and influence noise reduction effect of layer 50, occurs；Thus, the thickness d of coating 50 and the table of coating 50 are rationally set
The ratio between face scratch hardness h after better assuring that bubble parameters to size appropriate, is detached from coating 50, reduces liquid heating and holds
The noise that device generates in heating liquid process, while ensure that the use reliability of coating 50, also extend the use of product
Service life considerably increases the competitiveness of product in market.
According to above-described embodiment it is found that being further limited to parameter, the thickness d of coating 50 and the thermally conductive system of coating 50
Number λ, the heating power density ρ of 10 bottom plate of vessel, the heating power P of heating vessel and coating 50 contact angle θ it
Between there are ratio relation, 0.5 (mK) μm/λ≤250 W≤d/ (mK) μm/W, it is preferable that 1.875 (mK) μm/W
≤d/λ≤100(m·K)·μm/W；0.04μm·cm2/W≤ρ/d≤6μm·cm2/ W can make 0.17 μm according to the actual situation
cm2/W≤ρ/d≤1.6μm·cm2/ W, it is preferable that 0.27 μm of cm2/W≤ρ/d≤1.2μm·cm2/ W, 8W/ μm≤P/d≤
600W/ μm, 27W/ μm≤P/d≤167W/ μm can be made according to the actual situation, it is preferable that 33W/ μm≤P/d≤133W/ μm；
1.6 °/μm≤θ/d≤26 °/μm, can make according to the actual situation 3 °/μm≤θ/d≤8 °/μm, it is preferable that 3.17 °/μm≤θ/d≤
7.67°/μm；After better assuring that bubble parameters to size appropriate, it is detached from coating 50, there is heating vessel more preferable
Noise-reducing effect.
In one embodiment of the invention, heating component 30 includes: heating device 31, and heating device 31 is arranged in container
On the bottom plate of ontology 10；Heating plate 32, heating plate 32 are arranged on the bottom plate of vessel 10；With temperature controller 33, temperature controller 33
For detecting the temperature T of heating plate 32, and according to the start and stop of the temperature T of heating plate 32 control heating device 31；Wherein, temperature controller
33 detect the temperature T of heating plate 32 lower than 95 DEG C, and temperature controller 33 controls heating device 31 and starts；Temperature controller 33 detects heating
The temperature T of plate 32 is higher than 115 DEG C, and temperature controller 33, which controls heating device 31, to be stopped；The temperature T of heating plate 32 and the surface of coating 50
The ratio relation of scratch hardness h are as follows: 10.56 DEG C/H≤T/h≤115 DEG C/H, 12.25 DEG C/H≤T/h can be made according to the actual situation
≤ 55 DEG C/H, it is preferable that 12.5 DEG C/H≤T/h≤52.5 DEG C/H.
In one particular embodiment of the present invention, 32 hot face temperature T of heating plate is 105 DEG C.
In the present invention in another specific embodiment, 32 hot face temperature T of heating plate is 110 DEG C.
In this embodiment, heating device 31 and heating plate 32 are arranged on the bottom plate of vessel 10, when to liquid
When being heated, starts heating device 31, heating plate 32 will be heated, then heat is transmitted to liquid from heating plate 32
In, it realizes the operation heated to the liquid in vessel 10, ensure that the heating efficiency of heating vessel, improve
User's comforts of use；Moreover, heating plate 32 can be aluminium sheet, it is cheap because aluminium sheet has many advantages, such as that heat transfer is become better,
Therefore heating plate 32 is aluminium sheet, the production cost of product is greatly reduced, to increase the competitiveness of product in market；In addition,
Temperature controller 33 is used to detect the temperature T of heating plate 32, so that whether preferably control heating device 31 starts, i.e., temperature controller 33 is protected
The temperature T for having demonstrate,proved heating plate 32 is 95 DEG C~115 DEG C, on the one hand, when the temperature T of heating plate 32 is lower than 95 DEG C, it may occur that liquid
The case where body cannot be boiled completely, therefore temperature controller 33 controls heating device 31 and starts, and makes heating device 31 to liquid in container
Body is heated；On the other hand, when the temperature T of heating plate 32 is higher than 115 DEG C, the temperature T of heating plate 32 is more than liquid at this time
Boiling point causes the temperature T of heating plate 32 excessively high, if continuous heating again, can only will cause the waste of the energy, therefore temperature controller 33
It controls heating device 31 and stops heating；In addition, 32 hot face temperature T of heating plate should expire when electric heater unit 31 works normally
95 DEG C≤T≤115 DEG C of foot, can make 98 DEG C≤T≤110 DEG C according to the actual situation, it is preferable that and 100 DEG C≤T≤105 DEG C, heating plate
32 temperature T within this range, is detached from coating after capable of better ensuring that bubble parameters to size appropriate, reduces liquid heating and holds
The noise that device generates in heating liquid process, to improve consumer's comforts of use.
In addition, the ratio between surface scratch hardness h of the temperature T of heating plate 32 and coating 50 is in 12.5 DEG C/H~52.5 DEG C/H,
On the one hand, the ratio both avoided is too small, i.e. the temperature T of heating plate 32 is too small or the surface scratch hardness h of coating is excessive,
Cause liquid that cannot be boiled completely or coating 50 is more crisp, is not durable, to influence the service life of coating 50 and influence drop
The generation of the case where effect of making an uproar；On the other hand, the ratio both avoided is excessive, i.e. the temperature T of heating plate 32 is excessive or coating
50 surface scratch hardness h is too small, causes energy dissipation or coating 50 softer, not wear-resisting, to influence the use of coating 50
The case where service life and influence noise reduction effect, occurs；Thus, the temperature T of heating plate 32 and the ratio between the surface scratch hardness h of coating 50,
After better assuring that bubble parameters to size appropriate, it is detached from coating 50, reduces heating vessel in heating liquid process
The noise of middle generation, while having saved the energy, it is convenient for users to use, it is ensured that the use reliability of coating 50, thus
Increase the competitiveness of product in market.
According to above-described embodiment it is found that being further limited to parameter, 32 hot face temperature T of heating plate and coating 50
Thermal coefficient λ, the contact angle θ of coating 50 and the thickness d of coating 50 between there are ratio relation, 9.5 (mK) DEG C/W≤T/ λ
≤ 575 (mK) DEG C/W, 49 (mK) DEG C/λ≤367 W≤T/ (mK) DEG C/W can be made according to the actual situation, it is preferable that 150
(m·K)℃/W≤T/λ≤350(m·K)℃/W；0.73 DEG C/°≤θ≤1.44 DEG C T//°, 0.82 can be made according to the actual situation
DEG C/°≤θ≤1.22 DEG C T//°, it is preferable that 0.87 DEG C/°≤θ≤1.11 DEG C T//°；1.9 DEG C/μm≤T/d≤23 DEG C/μm, root
According to actual conditions can make 3.27 DEG C/μm≤T/d≤7.33 DEG C/μm, it is preferable that 3.33 DEG C/μm≤T/d≤7 DEG C/μm, preferably
After ensure that bubble parameters to size appropriate, it is detached from coating 50, makes heating vessel that there is better noise-reducing effect.
Container is heated below with reference to prescribed liquid for some specific embodiments.
Specific embodiment one:
The fluorine-containing coating of the vessel band of surface-treated kettle, coating thermal coefficient are 0.35W/ (mK), are applied
Layer is with a thickness of 20 μm, and the contact angle of hardness 3H and coating is 103 °, and kettle heating power is 1500W, and heating power density is
12W/cm2, heater plate surface maximum temperature is 105 DEG C when kettle is normally to boil water, (is free of boiling stage) during kettle is to boil water
Maximum noise be 51dB, and the kettle noise not being surface-treated be 62dB, reduce noise result it is good.
Specific embodiment two:
The vessel band ceramic coating of surface-treated kettle, coating thermal coefficient is 1.0W/ (mK), applies thickness
Degree is 30 μm, and the contact angle of hardness 6H and coating is 108 °, and kettle heating power is 1800W, heating power density 15W/
cm2, heater plate surface maximum temperature is 110 DEG C when kettle is normally to boil water, (is free of boiling stage) most during kettle is to boil water
Big noise is 52dB, and the kettle noise not being surface-treated is 62dB, and it is good to reduce noise result.
In conclusion heating vessel provided by the invention, the surface scratch hardness h and its thermal coefficient λ of coating it
Than between 0.1 H/W~45 (mK) (mK) H/W, ensure that coating is wear-resisting, durable and good heat conduction effect performance,
So that the heating efficiency of product is improved, so that the market for improving product is competing on the basis of guaranteeing coating noise-reducing effect
Strive power.
Specifically, current market sales of insulating pot, liner or heating bottom plate are mostly stainless steel polishing processing, burn
Universal noise is big during water, largely affects people's lives and work, brings inconvenience to consumer；And
Heating vessel provided by the invention, the ratio between surface scratch hardness h and its thermal coefficient λ of coating are in 0.1 (mK) H/W
Between~45 (mK) H/W, on the one hand, the ratio both avoided is too small, i.e. the surface scratch hardness h of coating it is too small or
The thermal coefficient λ of coating is excessive, causes coating softer, not wear-resisting, influence coating service life or increase coating cost or
The case where person's influence noise reduction effect, occurs；On the other hand, the ratio for avoiding the two is excessive, i.e. the surface scratch hardness h of coating
The thermal coefficient λ of excessive perhaps coating is too small to lead to that coating is more crisp, be not durable or influences the heat between liquid and vessel
The generation of the case where amount transmitting, the time that liquid is heated extends and influences noise reduction effect；Thus, the surface that coating is rationally arranged is drawn
The ratio between trace hardness h and the thermal coefficient λ of coating after ensure that bubble parameters to size appropriate, are detached from coating, reduce liquid and add
The noise that heat container generates in heating liquid process, while ensure that the use reliability of coating, it improves liquid heating and holds
The heating efficiency of device, to increase the competitiveness of product in market.
Contact angle refers to that the tangent line of the liquid-vapor interface made by gas, liquid, solid three-phase point of intersection passes through liquid in the present invention
It is the measurement of wetness degree with the angle theta between solid-liquid boundary line.If θ < 90 °, the surface of solids is hydrophilic, i.e. liquid
It is easier to wetting solid, angle is smaller, indicates that wetability is better；If θ > 90 °, the surface of solids be it is hydrophobic, i.e., liquid is not
It is easily wetted solid, is easy to move on the surface.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the invention
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of heating vessel characterized by comprising
Vessel, the vessel have the accommodating chamber for accommodating liquid；
Heating component, the heating component are used to heat the liquid in the accommodating chamber；With
Coating, the coating are formed on the inner wall of the vessel；
Wherein, the surface scratch hardness of the coating is h；The coating thermal coefficient is λ；The surface scratch hardness h and institute
State the ratio relation of thermal coefficient λ are as follows:
0.1(m·K)·H/W≤h/λ≤45(m·K)·H/W；
The heating power density of the bottom plate of the vessel is ρ；
Wherein, the ratio relation of the heating power density ρ and the surface scratch hardness h are as follows: 0.22W/ (Hcm2)≤ρ/h
≤30W/(H·cm2)；
The coating with a thickness of d；
Wherein, the ratio relation of the thickness d and the surface scratch hardness h are as follows:
0.56μm/H≤d/h≤50μm/H。
2. heating vessel according to claim 1, which is characterized in that
The ratio relation of the surface scratch hardness h and the thermal coefficient λ are as follows:
0.25(m·K)·H/W≤h/λ≤27(m·K)·H/W。
3. heating vessel according to claim 1, which is characterized in that
The ratio relation of the heating power density ρ and the surface scratch hardness h are as follows:
1W/(H·cm2)≤ρ/h≤9W/(H·cm2)。
4. heating vessel according to claim 1, which is characterized in that
The heating power of the heating vessel is P；
Wherein, the ratio relation of the heating power P and the surface scratch hardness h are as follows:
44W/H≤P/h≤3000W/H。
5. heating vessel according to claim 4, which is characterized in that
The ratio relation of the heating power P and the surface scratch hardness h are as follows:
125W/H≤P/h≤1000W/H。
6. heating vessel according to any one of claim 1 to 5, which is characterized in that
The contact angle of the coating is θ；
Wherein, the ratio relation of the contact angle θ and the surface scratch hardness h are as follows:
8.89°/H≤θ/h≤130°/H。
7. heating vessel according to claim 6, which is characterized in that
The ratio relation of the contact angle θ and the surface scratch hardness h are as follows:
11.875°/H≤θ/h≤57.5°/H。
8. heating vessel according to claim 1, which is characterized in that
The ratio relation of the thickness d and the surface scratch hardness h are as follows:
1.87μm/H≤d/h≤15μm/H。
9. heating vessel according to any one of claim 1 to 5, which is characterized in that
The heating component includes:
Heating device, the heating device are arranged on the bottom plate of the vessel；
Heating plate, the heating plate are arranged on the bottom plate of the vessel；With
Temperature controller, the temperature controller is used to detect the temperature T of the heating plate, and controls institute according to the temperature T of the heating plate
State the start and stop of heating device；Wherein,
The temperature controller detects the temperature T of the heating plate lower than 95 DEG C, and the temperature controller controls the heating device starting；
The temperature controller detects that the temperature T of the heating plate is higher than 115 DEG C, and the temperature controller controls the heating device and stops
Only；
Wherein, the ratio relation of the temperature T of the heating plate and the surface scratch hardness h are as follows:
10.56℃/H≤T/h≤115℃/H。
10. heating vessel according to claim 1, which is characterized in that
The ratio relation of the temperature T of the heating plate and the surface scratch hardness h are as follows:
12.5℃/H≤T/h≤52.5℃/H。
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1972238A2 (en) * | 2006-01-27 | 2008-09-24 | Strix Limited | Heaters for liquid heating vessels |
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| CN106993932A (en) | 2017-08-01 |
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