CN206670061U - Heat-insulating profile and electric heater - Google Patents
Heat-insulating profile and electric heater Download PDFInfo
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- CN206670061U CN206670061U CN201720188513.9U CN201720188513U CN206670061U CN 206670061 U CN206670061 U CN 206670061U CN 201720188513 U CN201720188513 U CN 201720188513U CN 206670061 U CN206670061 U CN 206670061U
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- heat
- insulating profile
- microbubble
- insulated gas
- insulating
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Abstract
The utility model proposes a kind of heat-insulating profile and electric heater, the heat-insulating profile includes at least one layer of overcoat of multiple microbubbles and the multiple microbubble of parcel, the overcoat is provided with air admission hole and steam vent, each microbubble is each formed with being open, pass through the open communication between the adjacent microbubble, insulated gas is filled with the heat-insulating profile, insulated gas is filled with the microbubble.Heat-insulating profile of the present utility model is by setting air admission hole and steam vent to fill the relatively low insulated gas of thermal conductivity factor, reduce the thermal conductivity of heat-insulating profile, improve the heat-insulating property of heat-insulating profile, and when heat-insulating profile is bent, internal insulated gas can rearrange distribution, it is not easily susceptible to damage, extends the service life of heat-insulating profile.
Description
Technical field
It the utility model is related to electric heater field, more particularly to a kind of heat-insulating profile and electric heater.
Background technology
At present, vacuum heat-insulating plate (Vacuum Insulation Panel, abbreviation VIP) is based on its relatively low thermal conductivity factor
(8mW/ (mK)) is gradually applied to the field of heat insulating materials of electric heater, but due to the inner bag in winding parcel water heater
When need the long-term reliability for keeping bending, VIP being reduced to a certain extent, and VIP internal pressures are relatively low big with outside
The pressure difference of air pressure is big, it may occur that and gas permeates, and then by mechanical damage, thermal conductivity factor increase, and then influence electric heater
Heat-insulating property.
Utility model content
Main purpose of the present utility model is to provide a kind of heat-insulating profile, it is intended to solves existing insulation material heat conduction system
Number increase, the technical problem for causing the heat-insulating property of electric heater to decline.
To achieve the above object, the utility model proposes a kind of heat-insulating profile, the heat-insulating profile include multiple microbubbles and
Wrap up at least one layer of overcoat of the multiple microbubble；
The overcoat is provided with air admission hole and steam vent；
Each microbubble is each formed with being open, and passes through the open communication between the adjacent microbubble；
Insulated gas is filled with the heat-insulating profile, insulated gas is filled with the microbubble.
Further, the thermal conductivity factor of the insulated gas is less than 25mW/ (mK).
Further, the insulated gas be argon gas, Krypton, xenon, carbon dioxide, pentamethylene and isopentane in extremely
Few one kind.
Further, size of the microbubble in either direction is less than 3mm.
Further, also filled up between the adjacent microbubble formed with gap, the insulated gas in the gap.
Further, the nano-powder of anti-heat radiation is also filled with the heat-insulating profile.
Further, the nano-powder is SiO2One or both of powder, infrared light screening agent, graphite powder, carbon powder
Mixture above.
Further, the air admission hole is distributed in the upper and lower or left and right ends of the overcoat, and air admission hole with steam vent
Position be less than the position of steam vent, the heat-insulating profile also includes being used to seal the seal of the air admission hole and steam vent.
Further, the material of the overcoat and microbubble is plastic foil, metal foil composite plastic film, is coated with metal level
Composite plastic film in one layer or more than two layers of composite film material.
Further, the heat-insulating profile also includes the reflecting layer located at the overcoat inner surface and/or outer surface.
Another object of the present utility model is to propose a kind of electric heater, the inner bladder outer wall cladding of the electric heater just like
Upper described heat-insulating profile.
Heat-insulating profile of the present utility model, applied to electric heater, the heat-insulating profile includes multiple microbubbles and parcel institute
At least one layer of overcoat of multiple microbubbles is stated, the overcoat is provided with air admission hole and steam vent, and each microbubble is equal
Formed with opening, by the open communication between the adjacent microbubble, the heat-insulating profile is interior to be filled with insulated gas, institute
State in microbubble and be filled with insulated gas.Heat-insulating profile of the present utility model is by setting air admission hole and steam vent to fill heat conduction system
The relatively low insulated gas of number, the thermal conductivity of heat-insulating profile is reduced, improve the heat-insulating property of heat-insulating profile, and in thermal-insulating type
When material is bent, internal insulated gas can rearrange distribution, be not easily susceptible to damage, and extend heat-insulating profile uses the longevity
Life.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the structural representation of the embodiment of the utility model heat-insulating profile one；
Fig. 2 is the partial enlarged drawing at A in Fig. 1.
Drawing reference numeral explanation：
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not paying creative work premise
Lower obtained every other embodiment, belong to the scope of the utility model protection.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each part, motion conditions etc., such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes therewith.
In addition, the description for being related to " first ", " second " etc. in the utility model is only used for describing purpose, without being understood that
To indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the technical side between each embodiment
Case can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical scheme
Occur conflicting or will be understood that the combination of this technical scheme is not present when can not realize, also not in the requires of the utility model
Protection domain within.
The utility model proposes a kind of heat-insulating profile, applied to electric heater.
With reference to Fig. 1 and 2, the heat-insulating profile 100 includes multiple microbubbles 20 and the multiple microbubble 20 of parcel at least
One layer of overcoat 10；
The overcoat 10 is provided with air admission hole 11 and steam vent 12；
Each microbubble 20 is each formed with opening 21, is connected between the adjacent microbubble 20 by the opening 21
It is logical；
Insulated gas is filled with the heat-insulating profile 100, insulated gas is filled with the microbubble 20.
In the present embodiment, the heat-insulating profile 100 includes one layer of overcoat 10, in other embodiments, the overcoat 10
It can also be overlapped by multiple protective layers 10, the overcoat 10 wraps up multiple microbubbles 20, is filled in each microbubble 20
There is an insulated gas, each microbubble 20 is also formed with opening 21, by described between any group of adjacent two microbubble 20
The connection of opening 21, so as to when insulated gas is filled with, without being individually thermally shielded the filling of gas to single microbubble 20, such as
The insulated gas being filled with from the air admission hole 11 can be filled into multiple microbubbles 20 in communication via a microbubble 20.
For the ease of the air pressure adjustment of heat-insulating profile, the mixed air of exclusion and insulated gas etc. is filled with, on the overcoat 10
It is also provided with the air admission hole 11 for being easy to inflation and the steam vent 12 for being easy to take out air.
Heat-insulating profile 100 of the present utility model, applied to electric heater, the heat-insulating profile 100 include multiple microbubbles 20,
And at least one layer of overcoat 10 of the multiple microbubble 20 of parcel, the overcoat 10 are provided with air admission hole 11 and steam vent
12, the heat-insulating profile 100 is interior to be filled with insulated gas, and insulated gas is filled with the microbubble 20.It is of the present utility model
Heat-insulating profile 100 reduces thermal-insulating type by setting air admission hole 11 and steam vent 12 to fill the relatively low insulated gas of thermal conductivity factor
The thermal conductivity of material 100, the heat-insulating property of heat-insulating profile 100 is improved, and stuffed heat insulated gas is wrapping up heat-insulating profile 100
The inner bag of electric heater and when long-term bending occurs, the insulated gas of heat-insulating profile 100 can rearrange distribution, will not occur
Mechanical damage, it further increasing the service life and heat insulation effect of heat-insulating profile.
Further, the thermal conductivity factor of the insulated gas is less than 25mW/ (mK), it is preferable that insulated gas be argon gas,
At least one of Krypton, xenon, carbon dioxide, pentamethylene and isopentane.
In the present embodiment, filling thermal conductivity factor is less than 25mW/ (mK) insulated gas in heat-insulating profile 100, excellent
The insulated gas for selecting thermal conductivity factor to be less than 15mW/ (mK), to reduce the thermal conductivity of heat-insulating profile 100, improves its heat-insulating property.
The insulated gas can be any one in argon gas, Krypton, xenon, carbon dioxide, pentamethylene and isopentane, can also
It is two or more the admixture of gas for being wherein combined and being mixed with arbitrary proportion.
Further, size of the microbubble 20 in either direction is less than 3mm.
In the present embodiment, the diameter dimension of the microbubble 20 is generally located on less than 3mm, it is ensured that each microbubble
20 internal convections exchange heat, and when insulated gas is filled with, the microbubble 20 is reached full pressure as far as possible, so as to microbubble
20 and the internal pressure of heat-insulating profile 100 be consistent with external pressure, to prevent due to the pressure inside and outside heat-insulating profile 100
Difference, gas leakage is produced, mechanical damage is caused to heat-insulating profile, reduce further the weak possibility of performance of heat-insulating profile 100.
Further, with reference to Fig. 1 and 2, formed with gap (not shown), the heat-insulated gas between the adjacent microbubble 20
Body is also filled up in the gap.
In the present embodiment, microbubble 20 is arranged to sphere shape, be also designed in other embodiments hexahedron shape,
Tetragonal body shape or other shapes, adjacent microbubble 20 in arranged distribution formed with gap, in order to further reduce heat-insulating profile
100 mean coefficient of heat conductivity, the insulated gas are also filled up in the gap.
Further, the nano-powder of anti-heat radiation is also filled with the heat-insulating profile 100, the nano-powder is
SiO2Mixture more than one or both of powder, infrared light screening agent, graphite powder, carbon powder.
In the present embodiment, in order to further reduce the gas heat-transfer in heat-insulating profile 100 and microbubble 20, it is being incubated
The nano-powder of dysphoria with smothery sensation radiation is also filled with section bar 100, the nano-powder can be SiO2Powder, infrared light screening agent, graphite
Any one powder in powder, carbon powder or wherein any combination and with the two or more mixed of arbitrary proportion mixing
Compound, the preferred SiO of nano-powder2Powder.
Further, with reference to Fig. 1 and 2, the air admission hole 11 and steam vent 12 be distributed in the upper and lower of the overcoat 10 or
Left and right ends, and the position of air admission hole 11 is less than the position of steam vent 12, the heat-insulating profile 100 also includes sealing the air inlet
Hole 11 and the seal of steam vent 12.
In the present embodiment, the overcoat 10 is additionally provided with air admission hole 11 and steam vent 12, close due to insulated gas
Degree is more than the density of air, so for the ease of being inflated to the heat-insulating profile 100, by the air admission hole 11 and steam vent
12 are distributed in the upper and lower or left and right ends of the overcoat 10, and the position of air admission hole 11 is less than the position of steam vent 12, right
It is when the heat-insulating profile 100 is inflated, the heat-insulating profile 100 is horizontal positioned, then it is filled with by the air admission hole 11
Insulated gas, insulated gas can extrude the air in the gap between microbubble 20 and microbubble 20, be passed to the exhaust
Hole 12 is discharged, and the seal for sealing the air admission hole 11 and steam vent 12 can be electric control solenoid valve, can also be manual
The low pressure valve of control.
Further, with reference to Fig. 1 and 2, the material of the overcoat 10 and the microbubble 20 is plastic foil, metal foil is multiple
Close plastic foil, one layer or more than two layers of composite film material being coated with the composite plastic film of metal level.
In the present embodiment, the overcoat 10 and microbubble 20 are relatively low, air-locked soft using thermal conductivity ratio
Plasma membrane, as plastic foil, metal foil composite plastic film, one layer be coated with the composite plastic film of metal level or more than two layers it is compound
Membrane material, in this way, the effect of heat insulation of heat-insulating profile on the one hand can be further enhanced, it on the other hand can make the heat-insulating profile
Bending property is more preferable, is more convenient the installation applied to water heater.
Further, with reference to Fig. 1 and 2, the heat-insulating profile 100 is also including located at the inner surface of overcoat 10 and/or outside
The reflecting layer 30 on surface.
In the present embodiment, the inner surface of the overcoat 10 and/or outer surface be additionally provided with reflection heat transfer and will not
Increase the reflecting layer 30 of extra edge heat bridge effect, the reflecting layer 30 is film layer or coating, in this way, right by reflecting layer 30
The reflection of radiant heat, can further improve the heat-insulating property of heat-insulating profile 100, and reflecting layer 30 can be metal foil composite plastic
One or more layers structure in film, the composite plastic film for being coated with metal level, metal reflective coating, nanometer reflection coating.
Heat-insulating profile 100 of the present utility model, when being inflated, following airing form can be used：
(1), with air extractor such as vavuum pump, extracted through the steam vent 12 between the microbubble 20 and microbubble 20
Gap in air, then after the first preset time, that is, the air predicted was fully drawn out after the time, seal vents
12, open air admission hole 11 and fill insulated gas into the gap between the microbubble 20 and microbubble 20, it is finally, default second
, i.e., can be complete filling of according to the cumulative volume insulated gas set in advance of the cumulative volume of microbubble 20 and gap after time
After time, stop inflation, seal the air admission hole 11, complete the inflation of heat-insulating profile 100；
(2), formed according to the material of microbubble 20 and overcoat 10 and set its full pressure value, then passed through in preset time
The air admission hole 11 continues the stuffed heat insulated gas into the gap between the microbubble 20 and microbubble 20, is finally detecting
When microbubble 20 and overcoat 10 are completely pressed, stop inflation, seal the air admission hole 11 and steam vent 12, complete heat-insulating profile 100
Inflation；
(3), formed according to the material of microbubble 20 and overcoat 10 and set its full pressure value, then through the steam vent 12
The air in the gap between the microbubble 20 and microbubble 20 is extracted, meanwhile, by the air admission hole 11 to micro- gas
Insulated gas is filled in gap between bubble 20 and microbubble 20, is finally detecting that the microbubble 20 and overcoat 10 completely press
When, stop pumping and inflation, seal the steam vent 12 and air admission hole 11, complete the inflation of heat-insulating profile 100；
(4), the heat-insulating profile 100 is positioned in an environment full of insulated gas, then passes through the steam vent
12 extract the air in the gap between the microbubble 20 and microbubble 20, after preset time is extracted, enter described in opening
Stomata 11 makes the gap that insulated gas is filled between the microbubble 20 and microbubble 20 using the inside and outside differential pressure of heat-insulating profile 100
It is interior, when finally detecting the internal and external pressure balance of heat-insulating profile 100, seal the steam vent 12 and air admission hole 11.
The utility model also provides a kind of electric heater, and the electric heater includes heat-insulating profile as described above.
In the present embodiment, the electric heater includes heat-insulating profile as described above, and the heat-insulating profile 100 includes multiple micro-
At least one layer of overcoat 10 of bubble 20 and the multiple microbubble 20 of parcel, the overcoat 10 are provided with the He of air admission hole 11
Steam vent 12, each microbubble 20 are each formed with opening 21, connected between the adjacent microbubble 20 by the opening 21
It is logical, insulated gas is filled with the heat-insulating profile 100, insulated gas is filled with the microbubble 20.It is arranged at the hot water
Heat-insulating profile 100 between the inner bag and shell of device, by setting air admission hole 11 and the filling thermal conductivity factor of steam vent 12 relatively low
Insulated gas, the thermal conductivity of heat-insulating profile 100 is reduced, improve the heat-insulating property of heat-insulating profile 100, and stuffed heat insulated gas
Body makes heat-insulating profile 100 when long-term bending occurs for the inner bag of parcel electric heater, the insulated gas meeting of heat-insulating profile 100
Distribution is rearranged, mechanical damage will not occur, further increasing the service life and heat insulation effect of heat-insulating profile.
Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model,
Every equivalent structure under utility model of the present utility model design, made using the utility model specification and accompanying drawing content
Conversion, or directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.
Claims (11)
1. a kind of heat-insulating profile, it is characterised in that the heat-insulating profile includes multiple microbubbles and wraps up the multiple microbubble
At least one layer of overcoat；
The overcoat is provided with air admission hole and steam vent；
Each microbubble is each formed with being open, and passes through the open communication between the adjacent microbubble；
Insulated gas is filled with the heat-insulating profile, insulated gas is filled with the microbubble.
2. heat-insulating profile according to claim 1, it is characterised in that the thermal conductivity factor of the insulated gas is less than 25mW/
(m·K)。
3. heat-insulating profile according to claim 1 or 2, it is characterised in that the insulated gas be argon gas, Krypton, xenon,
At least one of carbon dioxide, pentamethylene and isopentane.
4. heat-insulating profile according to claim 1, it is characterised in that size of the microbubble in either direction is less than
3mm。
5. heat-insulating profile according to claim 1, it is characterised in that formed with gap, institute between the adjacent microbubble
Insulated gas is stated to also fill up in the gap.
6. heat-insulating profile according to claim 5, it is characterised in that be also filled with anti-heat radiation in the heat-insulating profile
Nano-powder.
7. heat-insulating profile according to claim 6, it is characterised in that the nano-powder is SiO2Powder, infrared light screening agent,
Mixture more than one or both of graphite powder, carbon powder.
8. heat-insulating profile according to claim 1, it is characterised in that the air admission hole is distributed in the protection with steam vent
The upper and lower or left and right ends of layer, and the position of air admission hole is less than the position of steam vent, the heat-insulating profile also includes being used to seal
The seal of the air admission hole and steam vent.
9. heat-insulating profile according to claim 1, it is characterised in that the material of the overcoat and microbubble is plastics
Film, metal foil composite plastic film, the composite film material of one layer be coated with the composite plastic film of metal level or more than two layers.
10. heat-insulating profile according to claim 1, it is characterised in that the heat-insulating profile also includes being located at the overcoat
Inner surface and/or the reflecting layer of outer surface.
11. a kind of electric heater, it is characterised in that the inner bladder outer wall of the electric heater is coated just like any one of claim 1-10
Described heat-insulating profile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720188513.9U CN206670061U (en) | 2017-02-28 | 2017-02-28 | Heat-insulating profile and electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720188513.9U CN206670061U (en) | 2017-02-28 | 2017-02-28 | Heat-insulating profile and electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206670061U true CN206670061U (en) | 2017-11-24 |
Family
ID=60379526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720188513.9U Active CN206670061U (en) | 2017-02-28 | 2017-02-28 | Heat-insulating profile and electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206670061U (en) |
-
2017
- 2017-02-28 CN CN201720188513.9U patent/CN206670061U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221027 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 241009 Wan Chun East Road, East District, Wuhu economic and Technological Development Zone, Anhui Patentee before: WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. Co.,Ltd. Patentee before: MIDEA GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right |