CN106341914B - Heat insulating member and heating device containing it - Google Patents
Heat insulating member and heating device containing it Download PDFInfo
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- CN106341914B CN106341914B CN201610877718.8A CN201610877718A CN106341914B CN 106341914 B CN106341914 B CN 106341914B CN 201610877718 A CN201610877718 A CN 201610877718A CN 106341914 B CN106341914 B CN 106341914B
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- heat insulating
- insulating member
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
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Abstract
It includes: shell that the present invention, which provides a kind of heat insulating member and heating device, the heat insulating member, and the shell has the chamber for accommodating heating element；And reinforcing rib, the reinforcing rib are set on the inner wall of the chamber.Inventors have found that air space can be formed between shell and heating element by the way that reinforcing rib is arranged on the chamber inner wall of shell, since the thermal coefficient of air space is lower, the initial temperature of heat transfer can be effectively reduced.
Description
Technical field
The present invention relates to thermal isolation technique fields, specifically, being related to heat insulating member and the heating device containing it.
Background technique
Heat preservation and insulation is one of core capabilities of heating device, is directly related to its security appliance, power and energy saving effect
Fruit and product efficiency grade.Picture boiler, steam generator, water heater, Garment Steamer Machine, barbecue machine, the heating elements such as cake oven are all compeled
It is essential and wants suitable high-temperature heat insulation heat insulating material, avoid the heat transmitting and heat radiation of heating equipment, to keep the temperature reduction energy consumption, protection
Material and equipment safety near electric heating equipment.High temperature resistant, low peculiar smell, low thermal conductivity, flexible foaming, processing technology letter
Single, the good heat-insulating heat-preserving material of heat insulation and preservation effect is the choosing for meeting this kind of requirement product heat preserving and insulating material the most suitable
It selects.Meanwhile structure setting of heat-insulated insulation cladding etc. is also unfavorable for the raising of heat preservation and insulation in existing heating device.
Therefore, the heat insulation structural of current heat-barrier material and lagging casing design still has much room for improvement.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.
The present invention is the following discovery based on inventor and completes:
Inventor has found during studying heat-barrier material and heating device, in associated heat device, heat-insulation and heat-preservation shell
It is direct package heating element, surface-to-surface contact, the heat that heating element generates are directly passed to heat-insulation and heat-preservation between the two
Shell, and then transmit outward, this structure setting, heat-insulation and heat-preservation shell hull-skin temperature is excessively high, is easy that dry and cracked, waterproofness is poor.And it passes through
A large amount of explorations and experiment are crossed, inventors be surprised to learn that forming airspace, Ke Yiyou between heat-insulation and heat-preservation shell and heating element
Effect reduces thermal loss.
In view of this, that an object of the present invention is to provide a kind of heat preservation and insulations is good, hull-skin temperature is lower, no
Easily dry and cracked, compactness is good or the heat insulating member of good waterproof performance.
In one aspect of the invention, the present invention provides a kind of heat insulating member.According to an embodiment of the invention, the insulation part
Part includes: shell, and the shell has the chamber for accommodating heating element；And reinforcing rib, the reinforcing rib are set to the chamber
On the inner wall of room.Inventors have found that by the way that reinforcing rib is arranged on the chamber inner wall of shell, it can be effectively by existing heat insulating member
Middle shell and heating element plane-plane contact replace with line-face contact, and air space is formed between shell and heating element, by
It is lower in the thermal coefficient of air space, it can be effectively reduced the maximum temperature of heat transfer, reduce thermal loss.In addition, may be used also
To improve the mechanical strength of insulation shell.
According to an embodiment of the invention, the heat insulating member includes multiple reinforcing ribs.
According to an embodiment of the invention, the multiple reinforcing rib is evenly distributed on the inner wall of the chamber.
According to an embodiment of the invention, the multiple reinforcing rib is parallel to each other or intersected with each other is distributed in the interior of the chamber
On wall.
According to an embodiment of the invention, the reinforced bag sand well is on multiple inner walls.
According to an embodiment of the invention, the cross section of the reinforcing rib is in rectangle, square, circle or the reinforcement
The contour line of muscle cross section includes end to end curve and straight line.
According to an embodiment of the invention, the reinforcing rib extends along straight line, curve or broken line.
According to an embodiment of the invention, the height of the reinforcing rib is 1-2 millimeters.
According to an embodiment of the invention, the heat insulating member further comprises: the first heat insulating coat, first heat insulating coat
It is set on the inner surface of the shell；Second heat insulating coat, second heat insulating coat are set to the outer surface of the shell
On.
According to an embodiment of the invention, at least one of the first thermal insulation layer and the second thermal insulation layer containing whether there is or not
Machine nano particle.
According to an embodiment of the invention, the inorganic nanoparticles are nano silica, nano-aluminium oxide, nanometer
At least one of tin-doped indium oxide, nano single silicon and nanometer potasium titanate whisker.
According to an embodiment of the invention, first heat insulating coat further comprises: the first heat-insulated sub-layer, described first every
Hot sub-layer is set on the inner surface of the shell；Second heat-insulated sub-layer, the second heat-insulated sub-layer be set to described first every
On the inner surface of hot sub-layer；Anti- thermal infrared coating, the anti-thermal infrared coating are set to the inner surface of the described second heat-insulated sub-layer
On.
According to an embodiment of the invention, the first heat-insulated sub-layer, the second heat-insulated sub-layer, the anti-thermal infrared coating
Thermal coefficient be gradually reduced.
According to an embodiment of the invention, second heat insulating coat further comprises: the heat-insulated sub-layer of third, the third every
Hot sub-layer is set on the outer surface of the shell；4th heat-insulated sub-layer, the 4th heat-insulated sub-layer be set to the third every
On the outer surface of hot sub-layer；5th heat-insulated sub-layer, the 5th heat-insulated sub-layer are set to the outer surface of the 4th heat-insulated sub-layer
On.
According to an embodiment of the invention, second heat insulating coat further comprises: the heat-insulated sub-layer of third, the third every
Hot sub-layer is set on the outer surface of the shell；4th heat-insulated sub-layer, the 4th heat-insulated sub-layer be set to the third every
On the outer surface of hot sub-layer；Heat conducting coating, the heat conducting coating are set on the outer surface of the 4th heat-insulated sub-layer.
According to an embodiment of the invention, the heat-insulated sub-layer of the third, the 4th heat-insulated sub-layer, the heat conducting coating are led
Hot coefficient is gradually increased.
In another aspect of this invention, the present invention provides a kind of heating devices.According to an embodiment of the invention, the heating
Device contains mentioned-above heat insulating member.The heating device has whole feature and advantage of mentioned-above heat insulating member,
This is no longer going to repeat them.
Detailed description of the invention
Fig. 1 shows the structural schematic diagram of heat insulating member according to an embodiment of the invention.
Fig. 2 shows the diagrammatic cross-section of heat insulating member part according to an embodiment of the invention.
Fig. 3 shows the diagrammatic cross-section of heat insulating member part in accordance with another embodiment of the present invention.
Fig. 4 shows heat insulating member surface temperature versus time curve according to an embodiment of the invention.
Fig. 5 shows the structural schematic diagram of heat insulating coat according to an embodiment of the invention.
Specific embodiment
The embodiment of the present invention is described below in detail.The embodiments described below is exemplary, and is only used for explaining this hair
It is bright, and be not considered as limiting the invention.Particular technique or condition are not specified in embodiment, according to text in the art
It offers described technology or conditions or is carried out according to product description.Reagents or instruments used without specified manufacturer,
For can be with conventional products that are commercially available.
In one aspect of the invention, the present invention provides a kind of heat insulating member.According to an embodiment of the invention, referring to Fig.1,
The heat insulating member includes: shell 10, and the shell 10 has the chamber 20 for accommodating heating element；And reinforcing rib 30, it is described to add
Strengthening tendons 30 are set on the inner wall of the chamber 20.Inventors have found that by the way that reinforcing rib is arranged on the chamber inner wall of shell, it can
Shell in existing heat insulating member and heating element plane-plane contact are effectively replaced with line-face contact, in shell and heating element
Between form air space, since the thermal coefficient of air space is lower, can be effectively reduced the initial temperature of heat transfer, subtract
Few thermal loss.Furthermore it is also possible to improve the mechanical strength and anti-dropping capability of insulation shell.
According to an embodiment of the invention, the quantity of the reinforcing rib is not particularly limited, those skilled in the art can root
According to needing flexible choice.In some embodiments of the invention, which includes multiple reinforcing ribs.Thus, it is possible to more preferable
Formation air space.
According to an embodiment of the invention, distribution mode of multiple reinforcing ribs on chamber inner wall is it is not also specifically limited, only
It wants that air space can be formed between heating element and shell.In some embodiments of the invention, multiple reinforcements
Muscle is evenly distributed on the inner wall of the chamber.According to some embodiments of the present invention, multiple reinforcing ribs are parallel to each other or each other
It is distributed across on the inner wall of the chamber.It is more advantageous to form air space as a result, and the processing is simple.
According to an embodiment of the invention, the position that reinforcing rib is distributed on chamber inner wall is also not particularly limited.In this hair
In bright some embodiments, reinforcing rib is distributed on multiple faces of chamber inner wall.In addition, the concrete shape of reinforcing rib does not have yet
Especially limitation, those skilled in the art can according to need flexible choice.In some embodiments of the invention, the cross of reinforcing rib
Rectangular in cross-section, square, circle or the contour line of the reinforcing rib cross section include end to end curve and straight line.
It will be understood by those skilled in the art that the shape of reinforcing rib is not restricted to the above-mentioned situation enumerated, as long as can be effectively formed
Air space can be any rule or irregular shape.According to an embodiment of the invention, the extension of the reinforcing rib
Direction is also without particular/special requirement.In some embodiments of the invention, the reinforcing rib extends along straight line, curve or broken line.Fig. 1
Show a case that reinforcing rib is derivative along straight line.It, can be with according to an embodiment of the invention, the height of reinforcing rib does not have particular/special requirement
According to the power flexible choice of heating device.Specifically, the power of heating device is higher or reinforcing rib present position temperature
Higher, then the height of reinforcing rib is preferable, it is possible thereby to the biggish air space of thickness is formed between heating device and shell,
Be conducive to improve heat insulation and preservation effect；If the power of heating device is lower or reinforcing rib present position temperature is lower, reinforce
The height of muscle can suitably reduce, as long as meeting preferable heat insulation and preservation effect.In some embodiments of the invention, add
The height of strengthening tendons can be 1-2 millimeters.Thus, it is possible to guarantee preferable heat insulation and preservation effect.Certainly, those skilled in the art can
To understand, in practical application, the height of reinforcing rib is not restricted to above range, and those skilled in the art can according to need
It is adjusted.
According to an embodiment of the invention, shell can be by foam type heat insulation material.According to an embodiment of the invention, the foam
Type heat-barrier material may include: melamine resin；Filler；Inorganic nanoparticles；And auxiliary agent.Inventors have found that should
Foam type heat insulation material can be flexibly foamed into excellent heat preservation and insulation, low peculiar smell, high temperature resistant, low thermal conductivity
Type, and it is not easy scaling-off and cracking, good waterproof performance is apparent smooth.Wherein, inorganic nanoparticles, can be with the heat-insulated material of filled and process type
Expect internal voids, not only significantly enhances its heat preservation and insulation, it is big that melamine resin peculiar smell can also be effectively improved
The problem of, and the problem of melamine resin froth appearance out-of-flatness can be improved simultaneously.
According to an embodiment of the invention, the filler that can be used include powder granule (size can with nanoscale, micron order or
Grade), short glass fiber and potassium titanate crystal whisker, wherein the powder granule includes montmorillonite and calcium-base bentonite and leech
Stone (chemical structure are as follows: (Mg, Ca)0.3-0.45(H2O)n{(Mg,Fe3,Al)3[(Si,Al)4O12](OH)2, wherein n 1-8) in
At least one.Using above-mentioned filler, on the one hand heat-insulated material on the other hand can be significantly improved with the gap in filled and process
The thermal and insulating performance of material.In particular, metatitanic acid acid potassium whisker is added, the micro-nano effect of nano-scale can be effectively improved filler
Deng the dispersion in resin base material, and its good heat insulation further improves the service performance of heat-barrier material.According to this
The embodiment of invention, the powder granule advance with coupling agent and are pre-processed.Thus, it is possible to effectively by powder granule and three
Melamine-formaldehyde resin compounded, it is compatible in other words and uniformly mixed, be conducive to powder granule preferably compatible point inside resin
It dissipates uniformly, more preferably performance heat insulation and preservation effect, further increases the service performance of heat-barrier material.
According to an embodiment of the invention, the specific type for the coupling agent that can be used is not particularly limited, as long as can make
It obtains powder granule and melamine resin is compound, those skilled in the art can according to need flexible choice.In the present invention
Some embodiments in, the coupling agent include KH560 silane based coupling agents, KH570 silane based coupling agents and titanate esters coupling
At least one of agent.In a specific example of the invention, coupling agent is compounding coupling agent, i.e. KH560 silylation is coupled
Agent, KH570 silane based coupling agents and titanate coupling agent mixture.Thereby, it is possible to effectively make powder granule and melamine
Amine-formaldehyde resins are compound, and react and be easy, and binding force is good, further increases the service performance of heat-barrier material.
According to an embodiment of the invention, the specific type for the inorganic nanoparticles that can be used is not particularly limited, as long as
Can filled and process internal voids, improve the heat-proof quality of heat-barrier material.In some embodiments of the invention, it can adopt
Inorganic nanoparticles are nano silica, nanometer tin-doped indium oxide, nano single silicon and nanometer potasium titanate whisker.By
This, not only can be with filled and process internal voids, and can significantly improve the heat preservation and insulation of heat-barrier material.
According to an embodiment of the invention, the specific type for the auxiliary agent that can be used is not particularly limited, those skilled in the art
Member can according to need flexible choice.In some embodiments of the invention, auxiliary agent may include foaming agent, curing agent and cream
At least one of agent and surface treating agent.Thus, it is possible to further improve the service performance of heat-barrier material.
In an embodiment of the present invention, the foaming agent used can release dioxy for chemical foaming agent after heated decomposition
Change the gases such as carbon and nitrogen, and forms the compound of closed pore in resin base material.The specific type of the chemical foaming agent of use is not
It is particularly limited, as long as can be realized frothing function, and will not generate and react with the other components in heat-barrier material.Such as
Including but not limited to organic foaming agent: azo-compound, sulfonyl hydrazines compound, nitroso compound etc. and inorganic foamed
Agent: the mixture of carbonate etc. or above two or two or more chemical foaming agent.According to an embodiment of the invention, control
Chemical foaming agent gas decomposes evolution rate and resin crosslinking curing rate in suitable rate matched section, can be formed more preferable
Foam rate of closed hole.
According to an embodiment of the invention, the specific type for the emulsifier that can be used is not particularly limited, art technology
Personnel can according to need selection.By adding emulsifier, point of the other components in melamine resin can be improved
It dissipates, further increases the service performance of heat-barrier material.
According to an embodiment of the invention, the specific type for the surfactant (or surface treating agent) that can be used not by
Especially limitation can be a kind of independent surfactant, or the mixture sheet of two or more surfactant
Field technical staff can according to need selection.In some embodiments of the invention, the surfactant used is Tween 80
Or OP-10.As a result, it is also possible that each component has suitable surface tension, it is effectively improved the service performance of heat-barrier material.
According to an embodiment of the invention, the specific type for the curing agent that can be used also is not particularly limited, this field skill
Art personnel can according to need selection.It can be any of curing agent in this field as long as curing reaction can be generated effectively.
According to an embodiment of the invention, hydroxymethyl cellulose aqueous solution has thickening, film forming, gluing, water tariff collection, colloid
Protection, the effect emulsified, can effectively adjust foaming system moisture and emulsification and dispersion resin system.
According to an embodiment of the invention, the foam type heat insulation material may include: the melamine resin 25-35
Parts by weight；The filler 23-44 parts by weight；The inorganic nanoparticles 10-16 parts by weight；And the auxiliary agent 21-44 weight
Part.Inventor has found that within the above range, heat-barrier material has good heat-insulated guarantor to heat-barrier material each component by many experiments
Warm nature energy, and it is not easy scaling-off, not easy to crack, low peculiar smell, waterproofness are also preferable, and flat appearance.
According to an embodiment of the invention, the foam type heat insulation material may include: melamine resin 25-35 weight
Part；Montmorillonite 0.5-1.3 parts by weight；Calcium-base bentonite 2.5-6 parts by weight；Vermiculite 5-8 parts by weight；Short glass fiber 10-15 weight
Measure part；Potassium titanate crystal whisker 5-13 parts by weight；Nano silica 10-16 parts by weight；Foaming agent 1-5 parts by weight；Surface treating agent
0.5-1.5 parts by weight；Emulsifier 0.8-4 parts by weight；Curing agent 1-5 parts by weight, hydroxymethyl cellulose 20-32 parts by weight.As a result,
The heat preservation and insulation of heat-barrier material, is not easy scaling-off, not easy to crack, and low peculiar smell, waterproofness and flat appearance further obtain
It improves.
According to an embodiment of the invention, the heat insulating member further comprises referring to Fig. 2: the first heat insulating coat 40, described
One heat insulating coat 40 is set on the inner surface of the shell 10；Second heat insulating coat 50, second heat insulating coat 50 are arranged
In on the outer surface of the shell 10.Inventors have found that heat insulating coat is respectively provided with by the surfaces externally and internally in shell, it can be significant
Less heat transmits from inside to outside, can also fill up the cavity and gap of shell skin, reduce heat by internal cavity and
Gap transmitting.
According to an embodiment of the invention, the specific type for forming the first heat insulating coat and the second heat insulating coat is not limited especially
System, those skilled in the art can according to need selection.It in some embodiments of the invention, can be polymerization resistant to high temperature
The lower coating of object, thermal coefficient, anti-thermal infrared coating etc..
According to an embodiment of the invention, containing at least one of the first thermal insulation layer 40 and described second thermal insulation layer 50
Organic/inorganic nano particle.Inorganic nanoparticles can effectively fill the gap in coating between filler as a result, reduce internal sky
Gap structure keeps its waterproofness more preferable so that internal structure is finer and close, and is not easy to dry and cracked.Meanwhile inorganic nanoparticles have
Good heat-proof quality is conducive to the heat preservation and insulation for improving heat insulating member.In addition, inorganic nanoparticles can neutralize solidification
Peculiar smell can be effectively reduced in remaining curing agent in the process, improves Product Safety.
According to an embodiment of the invention, the specific type of the inorganic nanoparticles is not particularly limited, art technology
Personnel can according to need selection.In some embodiments of the invention, inorganic nanoparticles can be nano silica, receive
At least one of rice aluminum oxide, nanometer tin-doped indium oxide, nano single silicon and nanometer potasium titanate whisker.Thus, it is possible to
Further increase heat preservation and insulation, the compactness of heat insulating member, the service performances such as low peculiar smell.
According to an embodiment of the invention, in order to further increase the service performance of heat insulating member, the first heat insulating coat and
Two heat insulating coats may each comprise multiple sub-layers.
According to an embodiment of the invention, can choose different thermally conductive systems to be further reduced the loss of heat and transmitting
Several materials forms multiple heat-insulated sub-layers, and the thickness of different heat-insulated sub-layers is arranged.Specifically, referring to Fig. 5, with comprising 1,2,
For the composite thermal barrier coatings of 3 three heat-insulated sub-layers, wherein the thermal coefficient of 1,2,3 three heat-insulated sub-layer is respectively λ1、λ2With
λ3, thickness is respectively d1、d2And d3, thermal coefficient λ=(λ of the composite thermal barrier coatings1d1+λ2d2+λ3d3)/(d1+d2+d3), this
The heat insulation and preservation effect that field technical staff can according to need, select to have different thermal coefficients and different-thickness it is multiple every
Hot sub-layer forms composite thermal barrier coatings, to reach ideal heat insulation and preservation effect.
According to an embodiment of the invention, first heat insulating coat 40 may further include: first is heat-insulated referring to Fig. 3
Sub-layer 41, the first heat-insulated sub-layer 41 are set on the inner surface of the shell 10；Second heat-insulated sub-layer 42, described second every
Hot sub-layer 42 is set on the inner surface of the described first heat-insulated sub-layer 41；Anti- thermal infrared coating 43, the anti-thermal infrared coating 43
It is set on the inner surface of the described second heat-insulated sub-layer 42.It is red to first pass around anti-heat for the heat passed out as a result, from heating element
The reflection of external coating, most of heat come back to heating element and are utilized, and improve heat utilization ratio, while reducing heat
Amount transmitting outward, moreover, the second heat-insulated sub-layer and the first heat-insulated sub-layer also can further effectively reduce heat and transmit outward.
According to an embodiment of the invention, in order to be further reduced the loss of heat and transmitting, the first heat-insulated sub-layer
Thermal coefficient can be less than the described second heat-insulated sub-layer.Specifically, heat transmits from high to lower, distinguish on shell inner surface surface
There are multiple sub-layers, heat-blocking action can be played to the transmitting of heat, especially different heat insulating coat thermal coefficients are than case material
Thermal coefficient is small, and heat is passed out from high heat source, and gradually propagating heat can gradually decay, the anti-thermal infrared coating 43 of inner layer
(similar nano-ITO film, anti-infrared nanometer coating) reflects most heat first, and very at least part of heat is through intermediate low
The heat-insulated sub-layer 42 of the second of thermal coefficient has decayed suitable one again in the first heat-insulated sub-layer 41 for being transmitted to innermost layer
The heat divided, and the thermal coefficient of coating 41,42,43 gradually decreases from outside to inside, and heat obstructs layer by layer can decay very
Big a part so that surface will not accumulation of heat, the surface temperature of shell can be lower, and heating rate is significantly reduced.This field skill
Art personnel are appreciated that the specific type of coating and sub-layer quantity are not limited to the above, and the heat insulating coat in real process is set
Meter and sub-layer number are not only in this way, those skilled in the art can according to need selection.
According to an embodiment of the invention, second heat insulating coat 50 further comprises: the heat-insulated sub-layer 51 of third, described
Three heat-insulated sub-layers 51 are set on the outer surface of the shell 10；4th heat-insulated sub-layer 52, the 4th heat-insulated sub-layer 52 are arranged
In on the outer surface of the heat-insulated sub-layer 51 of the third；5th heat-insulated sub-layer 53, the 5th heat-insulated sub-layer 53 are set to described
On the outer surface of four heat-insulated sub-layers 52.Thus, it is possible to fill up the cavity in shell and gap, and further increase heat insulating member
Heat preservation and insulation.As previously mentioned, those skilled in the art are according to the thermal coefficient and thickness for selecting each heat-insulated sub-layer.
According to an embodiment of the invention, according to demand, inside has air cooling system to expect that surface radiating is fast, it can be in outmost surface
Do the high thermal dispersant coatings of thermal coefficient, it can the outermost sub-layer of shell is designed as heat conducting coating.Therefore, described second every
Hot coating further comprises: the heat-insulated sub-layer of third, and the heat-insulated sub-layer of third is set on the outer surface of the shell；4th every
Hot sub-layer, the 4th heat-insulated sub-layer are set on the outer surface of the heat-insulated sub-layer of the third；Heat conducting coating, the heat conducting coating
It is set on the outer surface of the 4th heat-insulated sub-layer.Thus, it is possible to which the heat of outer surface is radiated with cross-ventilation quickly, make
Surface will not accumulation of heat, the surface temperature of shell can reduce moment, while temperature rise rate also declines very much.
According to an embodiment of the invention, the heat-insulated sub-layer of the third, the 4th heat-insulated sub-layer, the heat conducting coating are led
Hot coefficient is gradually increased.Thus, it is possible to by the heat of outer surface quickly with cross-ventilation radiate so that surface will not accumulation of heat, shell
The surface temperature of body can reduce moment, while temperature rise rate also declines very much.
In another aspect of this invention, the present invention provides a kind of heating devices.According to an embodiment of the invention, the heating
Device contains mentioned-above heat insulating member.The heating device has whole feature and advantage of mentioned-above heat insulating member,
This is no longer going to repeat them.
According to an embodiment of the invention, the specific type of the heating device is not particularly limited, it can be any for this field
Heating device.E.g., including but the life electricity such as be not limited to boiler, steam generator, water heater, Garment Steamer Machine, barbecue machine, cake oven
Device and kitchen appliance.In addition, it will be understood by those skilled in the art that the heating device has this other than above-mentioned heat insulating member
Other necessary parts of field conventional heating device, this is no longer going to repeat them.
The embodiment of the present invention is described below in detail.
Embodiment 1
The specific structure of heat insulating member is shown in Fig. 1.Wherein, shell is formed by mentioned-above foam type heat insulation material, shell
Chamber inner wall be provided with it is multiple be uniformly distributed on multiple inner walls, parallel to each other and equally distributed reinforcing rib.
Embodiment 2
The specific structure of heat insulating member is shown in Fig. 1.Wherein, the setting and 1 phase of embodiment of the concrete composition of shell and reinforcing rib
Together, difference is that the inner surface of shell is disposed with the first heat-insulated sub-layer, the second heat-insulated sub-layer and anti-thermal infrared coating, shell
Outer surface is disposed with the heat-insulated sub-layer of third, the 4th heat-insulated sub-layer and heat conducting coating.
Comparative example 1
The specific structure of heat insulating member is shown in Fig. 1.Wherein, the concrete composition of shell is identical as embodiment, and difference is not set
It is equipped with reinforcing rib.
Embodiment 3
The heat insulating member of embodiment 1-2 and comparative example 1 are installed in steam boiler be used for it is heat-insulated, in identical fire-bar
It is heated under part, measures steam boiler wall temperature and heat insulating member hull-skin temperature changes with time, as a result see Fig. 4 and table 1,
Wherein, Fig. 4 is heat insulating member hull-skin temperature versus time curve, and (1), (2), (3) respectively correspond comparative example 1, implement
Example 1 and embodiment 2.
Table 1
By the result of Fig. 4 and table 2 it is found that heat insulating member of the invention can be effectively reduced heat and transmit outward, hence it is evident that drop
Low heat insulating member hull-skin temperature and temperature rise rate, while improving heating element temperature.
In the description of the present invention, it is to be understood that, term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indication or suggestion relative importance or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include one or more of the features.In the description of the present invention,
The meaning of " plurality " is two or more, unless otherwise specifically defined.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (12)
1. a kind of heat insulating member characterized by comprising
Shell, the shell have the chamber for accommodating heating element；And
Reinforcing rib, the reinforcing rib are set on the inner wall of the chamber, and are directly contacted with the heating element；
First heat insulating coat, first heat insulating coat are set on the inner surface of the shell；
Second heat insulating coat, second heat insulating coat are set on the outer surface of the shell；
Wherein, contain inorganic nanoparticles at least one of the first thermal insulation layer and the second thermal insulation layer,
First heat insulating coat further comprises:
First heat-insulated sub-layer, the first heat-insulated sub-layer are set on the inner surface of the shell；
Second heat-insulated sub-layer, the second heat-insulated sub-layer are set on the inner surface of the described first heat-insulated sub-layer；
Anti- thermal infrared coating, the anti-thermal infrared coating are set on the inner surface of the described second heat-insulated sub-layer,
Second heat insulating coat further comprises:
The heat-insulated sub-layer of third, the heat-insulated sub-layer of third are set on the outer surface of the shell；
4th heat-insulated sub-layer, the 4th heat-insulated sub-layer are set on the outer surface of the heat-insulated sub-layer of the third；
Heat conducting coating or the 5th heat-insulated sub-layer, the heat conducting coating or the 5th heat-insulated sub-layer are set to the 4th heat-insulated Asia
On the outer surface of layer.
2. heat insulating member according to claim 1, which is characterized in that including multiple reinforcing ribs.
3. heat insulating member according to claim 2, which is characterized in that the multiple reinforcing rib is evenly distributed on the chamber
Inner wall on.
4. heat insulating member according to claim 2, which is characterized in that the multiple reinforcing rib is parallel to each other or intersected with each other
It is distributed on the inner wall of the chamber.
5. heat insulating member according to claim 2, which is characterized in that the reinforced bag sand well is on multiple inner walls.
6. heat insulating member according to claim 2, which is characterized in that the cross section of the reinforcing rib in rectangle, square,
The contour line of circle or the reinforcing rib cross section includes end to end curve and straight line.
7. heat insulating member according to claim 1, which is characterized in that the reinforcing rib extends along straight line, curve or broken line.
8. heat insulating member according to claim 1, which is characterized in that the height of the reinforcing rib is 1-2 millimeters.
9. heat insulating member according to claim 1, which is characterized in that the inorganic nanoparticles be nano silica,
At least one of nano-aluminium oxide, nanometer tin-doped indium oxide, nano single silicon and nanometer potasium titanate whisker.
10. heat insulating member according to claim 1, which is characterized in that the thermal coefficient of the first heat-insulated sub-layer is less than
The second heat-insulated sub-layer.
11. heat insulating member according to claim 1, which is characterized in that the heat-insulated sub-layer of the third, the 4th heat-insulated Asia
Layer, the heat conducting coating thermal coefficient be gradually increased.
12. a kind of heating device, which is characterized in that contain the described in any item heat insulating members of claim 1-11.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610877718.8A CN106341914B (en) | 2016-09-30 | 2016-09-30 | Heat insulating member and heating device containing it |
| PCT/CN2016/105366 WO2018058750A1 (en) | 2016-09-30 | 2016-11-10 | Heat insulation component and heating device having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610877718.8A CN106341914B (en) | 2016-09-30 | 2016-09-30 | Heat insulating member and heating device containing it |
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| CN106341914A CN106341914A (en) | 2017-01-18 |
| CN106341914B true CN106341914B (en) | 2019-05-31 |
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| CN201610877718.8A Active CN106341914B (en) | 2016-09-30 | 2016-09-30 | Heat insulating member and heating device containing it |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506645B (en) * | 2017-02-28 | 2024-03-29 | 芜湖美的厨卫电器制造有限公司 | Heat preservation section bar and water heater |
| CN108507163A (en) * | 2017-02-28 | 2018-09-07 | 芜湖美的厨卫电器制造有限公司 | Electric heater |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4112281A (en) * | 1976-04-08 | 1978-09-05 | The Raymond Lee Organization, Inc. | Combined water heater and sauna room heater device |
| CN1104272A (en) * | 1993-06-03 | 1995-06-28 | 胥德恩 | Civilian multi-function drying box |
| CN202648156U (en) * | 2012-07-05 | 2013-01-02 | 冯海涛 | Instant heater assembly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501592B (en) * | 2014-12-30 | 2016-06-15 | 山东宏泰科技有限公司 | Low energy consumption resistance furnace for magnesium alloy smelting |
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2016
- 2016-09-30 CN CN201610877718.8A patent/CN106341914B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4112281A (en) * | 1976-04-08 | 1978-09-05 | The Raymond Lee Organization, Inc. | Combined water heater and sauna room heater device |
| CN1104272A (en) * | 1993-06-03 | 1995-06-28 | 胥德恩 | Civilian multi-function drying box |
| CN202648156U (en) * | 2012-07-05 | 2013-01-02 | 冯海涛 | Instant heater assembly |
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| CN106341914A (en) | 2017-01-18 |
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Effective date of registration: 20210318 Address after: 528311 4 Global Innovation Center, industrial road, Beijiao Town, Shunde District, Foshan, Guangdong, China Patentee after: GUANGDONG MEIDI WHITE HOUSEHOLD ELECTRICAL APPLIANCE TECHNOLOGY INNOVATION CENTER Co.,Ltd. Patentee after: MIDEA GROUP Co.,Ltd. Address before: 528311, 26-28, B District, Mei headquarters building, 6 Mei Road, Beijiao Town, Shunde District, Foshan, Guangdong. Patentee before: MIDEA GROUP Co.,Ltd. |
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