CN110351904A - A kind of thermal imaging patterning electrothermal device and electric heating products - Google Patents
A kind of thermal imaging patterning electrothermal device and electric heating products Download PDFInfo
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- CN110351904A CN110351904A CN201910614079.XA CN201910614079A CN110351904A CN 110351904 A CN110351904 A CN 110351904A CN 201910614079 A CN201910614079 A CN 201910614079A CN 110351904 A CN110351904 A CN 110351904A
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Classifications
-
- 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
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
-
- 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
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
Landscapes
- Surface Heating Bodies (AREA)
Abstract
The present invention relates to a kind of thermal imagings to pattern electrothermal device, which includes heating layer and protective layer, and the heating layer is that thermal imaging patterns heating layer；And/or the protective layer is that thermal imaging patterns protective layer.The invention further relates to a kind of electric heating products containing above-mentioned electrothermal device.Compared with prior art, electrothermal device of the invention can generate thermal imaging pattern, and product structure is simple, be suitable for mass production, and the electrothermal device can produce on existing device, reduce the capital investment of secondary device；In addition, the thermal imaging effect of electrothermal device of the invention can be reached through a variety of ways, there is very big design space.
Description
Technical field
The present invention relates to electrical heating elements technical fields, and in particular to a kind of thermal imaging patterning electrothermal device and electric heating produce
Product.
Background technique
Traditional heating system includes burning fuel and with heating element heat production.It is right although the former thermal energy high conversion rate
Environmental pollution is more serious.Various heating equipments are made using heating element in the latter, in the way of cross-ventilation and heat radiation
Heat is transmitted to certain space, equipment facilitates installation, uses convenient for family.Common electric heating product, as electric blanket, electricity are blown
Wind, electrothemic floor, Electric radiant Heating Film etc. have entered daily life.Add currently, most of electric heating products only focus on it
Heat function, and carry out on the outside of electric heating products packaging and printed patterns are beautified.But there is no pay attention in the prior art
It arrives, by the amount and range of heat radiation caused by control electric heating products, electric heating products can be made in thermal imaging field shape
At unique thermal imaging pattern.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of structure is simply hot
Imagewise pattern electrothermal device.
The purpose of the application, which also resides in, provides a kind of electric heating products containing above-mentioned electrothermal device.
In order to realize that the purpose of the present invention, the application provide following technical scheme.
In the first aspect, the application provides a kind of thermal imaging patterning electrothermal device, which includes heating layer
And protective layer, which is characterized in that the heating layer is that thermal imaging patterns heating layer；
And/or the protective layer is that thermal imaging patterns protective layer.
In a kind of specific embodiment of first aspect, the thermal imaging patterning heating layer is thermal imaging patterned electricity
Thermosphere, and the protective layer is that thermal imaging patterns protective layer or uniform cap layer.
In a kind of specific embodiment of first aspect, the heating layer is the heating layer of consistent heat generation, and the guarantor
Sheath is that thermal imaging patterns protective layer.
In a kind of specific embodiment of first aspect, the heating layer passes through coating, printing, plating, metal etch
It is prepared with one of vapor deposition or the combinations of various ways.
In a kind of specific embodiment of first aspect, the protective layer includes in insulating layer, insulating layer and heat dissipating layer
One or more combinations.
In a kind of specific embodiment of first aspect, the thermal imaging patterning protective layer includes thermal imaging patterning
At least one of insulating layer and thermal imaging patterning heat dissipating layer, wherein being equipped at least two in the thermograph case heat dissipating layer
A heat dissipation region with different heat-sinking capabilities；Being equipped at least two in the thermal imaging patterning insulating layer has different heat preservations
The soak zones of ability.
In a kind of specific embodiment of first aspect, the material of the heating layer includes metal material or inorganic non-gold
Belong to one of material, the inorganic non-metallic material include one of carbon materials, infra-red china and Tourmaline material or
It is a variety of, it is preferred that the material of the heating layer is carbon materials.
In a kind of specific embodiment of first aspect, the metal material includes by one of copper, aluminium, iron and nickel
Or a variety of powders obtained, slurry or plating raw material；
And/or the carbon materials include by graphite, conductive black, carbon crystal, carbon nanotubes, carbon fiber, graphene and richness
Strangle one of alkene or a variety of powders obtained or slurry；
The infra-red china and the Tourmaline material are powder or slurry.
In a kind of specific embodiment of first aspect, the type of the heating layer include all standing type, stripe and
One of hollow type or a variety of combinations；And the heating layer thickness of all standing type is not exactly the same, the fever of stripe
The thickness of the fever lines of different parts is not all the same in the heating layer of layer and hollow type and/or width is not all the same.
In second aspect, the application provides a kind of electric heating products, and the electric heating products are equipped with thermal imaging as described above
Patterned electricity thermal device.
Compared with prior art, the beneficial effects of the present invention are:
(1) electrothermal device of the invention can generate thermal imaging pattern, and product structure is simple, be suitable for mass production,
It is at low cost.
(2) electrothermal device of the invention can produce on existing device, reduce the capital investment of secondary device.
(3) the thermal imaging effect of electrothermal device of the present invention can be reached through a variety of ways, have very big design space.
(4) originally it was difficult to the heating device of consistent heat generation for curve, circle, abnormity, spherical surface etc., it can through the invention
Scheme, be made can consistent heat generation device.
Detailed description of the invention
Fig. 1 is the surface texture schematic diagram that thermal imaging patterns heating layer in embodiment 1；
Fig. 2 is the schematic diagram of the section structure of electrothermal device in embodiment 1；
Fig. 3 is the thermal imaging test result schematic diagram of electrothermal device in embodiment 1；
Fig. 4 is the surface texture schematic diagram that thermal imaging patterns heating layer in embodiment 2；
Fig. 5 is the thermal imaging test result schematic diagram of electrothermal device in embodiment 2；
Fig. 6 is the surface texture schematic diagram that thermal imaging patterns heating layer in embodiment 3；
Fig. 7 is the schematic diagram of the section structure of electrothermal device in embodiment 3；
Fig. 8 is the thermal imaging test result schematic diagram of electrothermal device in embodiment 3；
Fig. 9 is the surface texture schematic diagram that thermal imaging patterns heating layer in embodiment 4；
Figure 10 is the thermal imaging test result schematic diagram of electrothermal device in embodiment 4；
Figure 11 is the surface texture schematic diagram that thermal imaging patterns heating layer in embodiment 5；
Figure 12 is the thermal imaging test result schematic diagram of electrothermal device in embodiment 5；
Figure 13 is the surface texture schematic diagram that thermal imaging patterns protective layer in embodiment 6 and embodiment 8；
Figure 14 is the schematic diagram of the section structure of electrothermal device in embodiment 6；
Figure 15 is the thermal imaging test result schematic diagram of electrothermal device in embodiment 6；
Figure 16 is the surface texture schematic diagram that thermal imaging patterns protective layer in embodiment 7 and embodiment 8；
Figure 17 is the schematic diagram of the section structure of electrothermal device in embodiment 7；
Figure 18 is the thermal imaging test result schematic diagram of electrothermal device in embodiment 7；
Figure 19 is the surface texture schematic diagram that thermal imaging patterns heating layer in embodiment 8；
Figure 20 is the schematic diagram of the section structure of electrothermal device in embodiment 8；
Figure 21 is the thermal imaging test result schematic diagram of electrothermal device in embodiment 8.
In the accompanying drawings, 1 is PET film, and 2 be hollowed out area, and 3 pattern electrothermal layer for thermal imaging, and 4 be normal part, and 5 be hair
Thermal image part, 6 be third insulating layer, and 7 be thermal dispersant coatings, and 8 be heat dissipating layer, and 9 be the first insulating layer, and 10 be heating layer, and 11 are
Second insulating layer, 12 be common insulating layer, and 13 be common insulation board, and 14 be insulation film, and 15 be insulating layer, and 16 be common heat dissipation
Layer.
Specific embodiment
Unless otherwise defined, the technical term or scientific term used in the present specification and claims is should be
The ordinary meaning that personage in the technical field of the invention with general technical ability is understood.That enumerates herein is all from most
Low value to the numerical value between peak, refer to when between minimum and peak differ two units more than when, minimum with most
All numerical value obtained using a unit as increment between high level.
A specific embodiment of the invention is described below with reference to attached drawing, it should be pointed out that in these embodiments
During specific descriptions, in order to carry out brief and concise description, this specification can not be to all spies of actual embodiment
Sign makees description in detail.Without departing from the spirit and scope of the present invention, those skilled in the art can be to this hair
Bright embodiment is modified and is replaced, and gained embodiment is also within protection scope of the present invention.
Traditional electrothermal device is beautified by packaging and printed patterns, but cannot achieve thermal imaging.The mesh of the application
Be a kind of thermal imaging patterning electrothermal device is provided, which includes heating layer and protective layer, and the heating layer is
Thermal imaging patterns heating layer；And/or the protective layer is that thermal imaging patterns protective layer.Wherein, protective layer is located at heating layer
Two sides or unilateral side, the major function of protective layer be heating layer is protected or make heating layer generate heat have heat at
As patterning function.It is preferably located at the two sides of heating layer.
In a specific embodiment, the thermal imaging patterning heating layer is that energization self-heating forms thermograph
The heating layer of case, i.e. thermal imaging pattern electrothermal layer, and the protective layer is uniform cap layer.
In a specific embodiment, the thermal imaging patterning heating layer is that thermal imaging patterns electrothermal layer, and institute
Stating protective layer is that thermal imaging patterns protective layer, while can be obtained using thermal imaging pattern electrothermal layer and thermal imaging patterning protective layer
To better thermal imaging effect.
In a specific embodiment, thermal imaging patterning heating layer includes in all standing type, stripe and hollow type
One or more combinations.Wherein, the thickness of the thermal imaging patterning heating layer of all standing type is not exactly the same；Stripe is engraved
The thickness of the fever lines of different parts is not all the same in the thermal imaging patterning heating layer of casement and/or width is not all the same.
Since three kinds of different types of thermal imaging patterning heating layers have different effects in the design of thermal imaging pattern, list is used
One type is relatively easy in design, but for complicated demand, it is possible to use the combination of multiple types image.
In a specific embodiment, the self-heating formed the heating layer of thermal imaging pattern by coating, printing,
The combination of one of plating, metal etch and vapor deposition or various ways is prepared.Obtained heating layer be coating or coating,
The two belongs to planar heating, and processing technology is simple, existing equipment can be used to realize effect design, reduces the fund of secondary device
Investment.
In a specific embodiment, the processing technology that the self-heating forms thermal imaging pattern be preferably coated with or
Printing, the production cost of both modes is lower, and effect is more preferable.
In a specific embodiment, the uniform cap layer includes homogeneous insulation layers, uniform insulating layer and uniformly dissipates
One of thermosphere or multiple combinations.The major function of heat dissipating layer is that the heat for generating heating layer distributes；Insulating layer
The electric current that major function is led to for isolation heating layer；The major function of insulating layer is that the heat for preventing heating layer from generating gives out
It goes.
In a specific embodiment, the Homogeneouslly-radiating layer is commercially available general heat dissipation layer material in the market,
Specially one of thermal dispersant coatings, heat dissipation film, cooling fin and heat sink or a variety of.Its feature is that region has approximate phase
Same heat-sinking capability, specific surface area specially having the same or heat emissivity coefficient having the same make its integrate heat-sinking capability
It is identical.
In a specific embodiment, the uniform insulating layer is commercially available general heat preservation layer material in the market,
Specially one of heat insulation coating, insulation film, insulation sheet and insulation board or a variety of.Its feature is that region has approximate phase
The same capacity of heat transmission specially has same thickness or thermal coefficient having the same, so that it is integrated capacity of heat transmission identical.
In a specific embodiment, the heating layer be consistent heat generation heating layer, and the protective layer be heat at
As patterning protective layer.
In a specific embodiment, the thermal imaging patterning protective layer includes thermal imaging patterning insulating layer and heat
At least one of imagewise pattern heat dissipating layer.
In a specific embodiment, being equipped at least two in the thermal imaging patterning heat dissipating layer has different heat dissipations
The heat dissipation region of ability.Specifically, the heat dissipation region of different heat-sinking capabilities is with different specific surface areas and to have different heat
The different region of the synthesis heat-sinking capability that at least one of radiation coefficient material is constituted.
In a specific embodiment, being equipped at least two in the thermal imaging patterning insulating layer has different heat preservations
The soak zones of ability.Specifically, the soak zones of different insulating powers be with different-thickness with there is different thermally conductive system
The different region of the synthesis capacity of heat transmission that at least one of number material is constituted.
In a specific embodiment, the protective layer further includes insulating layer.
In a specific embodiment, above-mentioned heat dissipating layer, insulating layer and insulating layer are in different layers and/or same layer
One or more combinations.Because some materials with special material or special tectonic itself can be provided simultaneously with heat dissipation and insulation
Effect or the effect of heat preservation and insulation.Therefore, the heat dissipating layer, insulating layer and insulating layer can be structure independent
At, be also possible to multilayer unification composition.In view of the convenience of processing, the preferably composition of multilayer unification.
In a specific embodiment, the material of the heating layer includes in metal material or inorganic non-metallic material
One kind, the inorganic non-metallic material include one of carbon materials, infra-red china and Tourmaline material or a variety of, preferably
, the material of the heating layer is carbon materials.
In a specific embodiment, the metal material include by one of copper, aluminium, iron and nickel or it is a variety of be made
Powder, slurry or plating raw material.
In a specific embodiment, the carbon materials include by graphite, conductive black, carbon crystal, carbon nanotubes, carbon
One of fiber, graphene and fullerene or a variety of powders obtained or slurry.Since thermal imaging is mainly produced by infra-red radiation
It is raw, therefore conductive capability and infra-red radiation ability are combined, carbon materials are the preferred embodiments of heating layer material.
In a specific embodiment, the infra-red china and the Tourmaline material are powder or slurry.
In a specific embodiment, electrothermal device of the invention can be visible arbitrary form in the market, preferably
For one of electro-thermal coatings, electric heating cloth, electrothermal paper, Electric radiant Heating Film, electric hot plate and electric heating block or a variety of combinations.In view of using
Convenience, preferably one of electric heating cloth, electrothermal paper, Electric radiant Heating Film and electric hot plate or a variety of combinations.
In a specific embodiment, the above-mentioned thermal imaging patterning electrothermal device can be applicable on electric heating products,
And such electric heating products can be applicable to daily necessity, the art work, health physical therapy, engineering construction, military training etc..
Embodiment
It elaborates below in conjunction with attached drawing to the embodiment of the present invention, the present embodiment is being with technical solution of the present invention
Under the premise of implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to
Following embodiments.
Embodiment 1
A kind of thermal imaging patterning electrothermal device, using PET film as protective layer, carbon crystal is specific to make as heating layer material
It is standby that steps are as follows:
(1) it is substrate with PET film 1, the area covers of hollow out, the region difference of hollow out will be needed on PET film 1 using paster
For a square, a circle and a triangle；
(2) carbon crystal electrically conductive ink is coated on substrate table on the above-mentioned PET film 1 for being covered with paster by the way of coating
Face；
(3) after carbon crystal electrically conductive ink is dry, paster is removed, i.e., is formd on the surface of PET film 1 with hollowed out area 2
Thermal imaging pattern electrothermal layer 3, as shown in Figure 1, its cross-sectional view is as shown in Figure 2.
In this embodiment, PET film is purchased from the beautiful polyester film Co., Ltd of Yi Huadong, with a thickness of 150um.Carbon crystal conductive oil
Ink is purchased from that Shenzhen's connection is prosperous up to Industrial Co., Ltd., thermal imaging pattern electrothermal layer with a thickness of 10um.
Thermal imaging test is carried out after the obtained electrothermal device of above-mentioned preparation is powered, result is as shown in Figure 3.Therefrom I
It can be found that the electrothermal device of the present embodiment have the function of thermal imaging patterning.
Embodiment 2
A kind of thermal imaging patterning electrothermal device, using PET film as protective layer, graphene is as heating layer material, specifically
Preparation step is as follows:
Use PET film as substrate, using Graphene conductive ink, full version pattern printed by the way of intaglio printing,
Wherein, intaglio plate lines is square hole, and 50 microns of depth, 4 density of normal part is 50 mesh, and 5 density of heating pattern part is 100 mesh.
Heating pattern part 5 be made print thinner thermal imaging than normal part 4 and pattern electrothermal layer, as shown in figure 4, its cross-sectional view with
Embodiment 1 is similar.
In this embodiment, PET film is purchased from the beautiful polyester film Co., Ltd of Yi Huadong, with a thickness of 150um.Graphene
Electrically conductive ink is purchased from that Shenzhen's connection is prosperous up to Industrial Co., Ltd., thermal imaging pattern electrothermal layer with a thickness of 5um.
Thermal imaging test is carried out after the obtained electrothermal device of above-mentioned preparation is powered, result is as shown in Figure 5.Therefrom I
It can be found that the electrothermal device of the present embodiment have the function of thermal imaging patterning.
Embodiment 3
A kind of thermal imaging patterning electrothermal device, using PET film as protective layer, conductive black and carbon nano tube compound material
As heating layer material, specific preparation process is as follows:
Use PET film 1 as substrate, using conductive black and carbon nanotube composite conducting ink, using intaglio printing
Mode prints striped design, wherein intaglio plate lines is square hole, and 50 microns of depth, 4 density of normal part is 50 mesh, fever figure
5 density of case part is 80 mesh, and heating pattern part 5 is made and prints thinner thermal imaging patterning electrothermal layer 3 than normal part 4,
As shown in Figure 6.Then one layer of PET film 1 is covered on the surface of thermal imaging patterning electrothermal layer 3 and be used as protective film, form sandwich knot
Structure, as shown in Figure 7.
In this embodiment, PET film is purchased from the beautiful polyester film Co., Ltd of Yi Huadong, with a thickness of 150um.Conductive black
Be purchased from Cabot Co., Ltd, carbon nanotube is purchased from Zhenjiang Tian Nai company, and the mass ratio of conductive black and carbon nanotube is 1:1, heat at
As patterned electricity thermosphere is with a thickness of 5um.
Thermal imaging test is carried out after the obtained electrothermal device of above-mentioned preparation is powered, result is as shown in Figure 8.Therefrom I
It can be found that the electrothermal device of the present embodiment have the function of thermal imaging patterning.
Embodiment 4
A kind of thermal imaging patterning electrothermal device, using epoxy resin board as protective layer, grapheme material is as heating layer
Material, specific preparation process is as follows:
The use of epoxy resin board is substrate, using Graphene conductive ink, prints stretching sample by the way of cylinder printing
Strip candy strip, wherein mesh density is 200 mesh.Be made heating pattern part 5 than normal part 4 print narrower heat at
As patterned electricity thermosphere, as shown in Figure 9.
In this embodiment, epoxy resin board is purchased from building materials market, with a thickness of 3mm.Graphene is purchased from Ningbo Mo Xike
Skill Co., Ltd, thermal imaging pattern electrothermal layer with a thickness of 5um.
Thermal imaging test is carried out after the obtained electrothermal device of above-mentioned preparation is powered, the results are shown in Figure 10.Therefrom
We are it can be found that the electrothermal device of the present embodiment has the function of thermal imaging patterning.
Embodiment 5
A kind of thermal imaging patterning electrothermal device, using cloth as protective layer, grapheme material is as heating layer material, specifically
Preparation step is as follows:
Cloth is used to print Saint Andrew's cross reticulate pattern by the way of cylinder printing using Graphene conductive ink as substrate
Pattern, wherein mesh density is 200 mesh, and normal part 4 generates heat line thickness for 5mm, and 5 line thickness of heating pattern part is
2mm.Heating pattern part 5 is made and prints narrower thermal imaging patterning electrothermal layer than normal part 4, structure is as shown in figure 11.
In this embodiment, the material of cloth is non-woven fabrics, building materials market is purchased from, with a thickness of 2mm.Graphene is purchased from Ningbo
Mo Xi Science and Technology Ltd., thermal imaging pattern electrothermal layer with a thickness of 5um.
Thermal imaging test is carried out after the obtained electrothermal device of above-mentioned preparation is powered, result is as shown in figure 12.Therefrom
We are it can be found that the electrothermal device of the present embodiment has the function of thermal imaging patterning.
Embodiment 6
A kind of thermal imaging patterning electrothermal device, specific preparation process is as follows:
(1) print one layer of thermal dispersant coatings 7 on the first insulating layer 9, the coating shapes of thermal dispersant coatings 7 be a square,
One circle and a triangle form heat dissipating layer 8, as shown in figure 13；
(2) uniform heating layer 10, second insulating layer 11 and common insulating layer 12 are successively covered on heat dissipating layer 8, are cutd open
View is as shown in figure 14.
In this embodiment, the material of thermal dispersant coatings is graphene heat radiation coating, is purchased from Ningbo Mo Xi Science and Technology Ltd.,
Thermal dispersant coatings with a thickness of 3um, the material of the first insulating layer is PET film, be purchased from the beautiful polyester film Co., Ltd of Yi Huadong, first
Insulating layer with a thickness of 150um, the material of second insulating layer is PET film, be purchased from the beautiful polyester film Co., Ltd of Yi Huadong, second
Insulating layer with a thickness of 150um, the material of heating layer is graphene, is purchased from Ningbo Mo Xi Science and Technology Ltd., the thickness of heating layer
Degree is 10um, and the material of common insulating layer is epoxy plate, is purchased from building materials market, common insulating layer with a thickness of 10mm.
Thermal imaging test is carried out after the obtained electrothermal device of above-mentioned preparation is powered, result is as shown in figure 15.Therefrom
We are it can be found that the electrothermal device of the present embodiment has the function of thermal imaging patterning.
Embodiment 7
A kind of thermal imaging patterning electrothermal device, specific preparation process is as follows:
(1) the different insulation film 14 of several thermal coefficients is adhered on common insulation board 13, the shape of insulation film 14 is one
A square, a circle and a triangle, form insulating layer 15, as shown in figure 16；
(2) successively covered on insulating layer 15 second insulating layer 11, uniform heating layer 10, third insulating layer 6 and uniformly
Common heat dissipating layer 16, as shown in figure 17.
In this embodiment, the material of insulation film is PET pre-coating film, is purchased from Wenzhou Kang Fa packaging material Co., Ltd, is protected
Warm film with a thickness of 50um, the material of the first insulating layer is PET film, is purchased from the beautiful polyester film Co., Ltd of Yi Huadong, first absolutely
Edge layer with a thickness of 100um, the material of second insulating layer is PET film, is purchased from the beautiful polyester film Co., Ltd of Yi Huadong, second absolutely
Edge layer with a thickness of 100um, the material of heating layer is graphene, is purchased from Ningbo Mo Xi Science and Technology Ltd., the thickness of heating layer
For 10um, the material of insulating layer is epoxy plate, is purchased from building materials market, common heat dissipating layer with a thickness of 3mm.
Thermal imaging test is carried out after the obtained electrothermal device of above-mentioned preparation is powered, result is as shown in figure 18.Therefrom
We are it can be found that the electrothermal device of the present embodiment has the function of thermal imaging patterning.
Embodiment 8
A kind of thermal imaging patterning electrothermal device, specific preparation process is as follows:
(1) a common insulation board 13 is taken, and adheres to the different insulation film 14 of several thermal coefficients in the common insulation board 13,
Insulating layer 15 is formed, as shown in figure 16；
(2) one layer of thermal dispersant coatings 7 are printed on the first insulating layer, form heat dissipating layer 8, wherein thermal dispersant coatings in heat dissipating layer 8
7 regions are corresponding with 14 region of insulation film in insulating layer 15, as shown in figure 13；
(3) electrothermal layer 3 is patterned in the latticed thermal imaging of 15 surface printing of insulating layer, wherein the ink of printing is
Graphene, 13 corresponding region of common insulation board in insulating layer 15, the mesh number that thermal imaging patterns electrothermal layer 3 is 40 mesh, thickness
For 5um, in insulating layer 15 14 corresponding region of insulation film with a thickness of 50um, thermal imaging patterns the structure of electrothermal layer 3 as schemed
Shown in 19.
(4) heat dissipating layer 8 is fixed on to the other side of thermal imaging patterning electrothermal layer 3, makes thermal dispersant coatings 7 and 14 institute of insulation film
In area coincidence, electrothermal device as shown in figure 20 is formed.
In this embodiment, the material of common insulation board is epoxy plate, building materials market is purchased from, with a thickness of 3mm.Insulation film
Material be PET pre-coating film, be purchased from Wenzhou Kang Fa packaging material Co., Ltd, insulation film with a thickness of 50um.Thermal dispersant coatings
Material is graphene, is purchased from Ningbo Mo Xi Science and Technology Ltd., heat radiation coating with a thickness of 3um, graphene is purchased from Ningbo Mo Xi
Science and Technology Ltd..
Thermal imaging test is carried out after the obtained electrothermal device of above-mentioned preparation is powered, result is as shown in figure 21.Therefrom
We are it can be found that the electrothermal device of the present embodiment has the function of thermal imaging patterning.
The above-mentioned description to embodiment is that this Shen can be understood and applied for the ease of those skilled in the art
Please.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiments without paying creative labor.Therefore, the application is not limited to implementation here
Example, those skilled in the art make according to herein disclosed content in the case where not departing from the application scope and spirit
It improves and modifies within all scope of the present application.
Claims (10)
1. a kind of thermal imaging patterns electrothermal device, which includes heating layer and protective layer, which is characterized in that the hair
Thermosphere is that thermal imaging patterns heating layer；
And/or the protective layer is that thermal imaging patterns protective layer.
2. thermal imaging as described in claim 1 patterns electrothermal device, which is characterized in that the thermal imaging patterns heating layer
Electrothermal layer is patterned for thermal imaging, and
The protective layer is that thermal imaging patterns protective layer or uniform cap layer.
3. thermal imaging as described in claim 1 patterns electrothermal device, which is characterized in that the heating layer is consistent heat generation
Heating layer, and the protective layer is that thermal imaging patterns protective layer.
4. thermal imaging as described in claim 1 patterns electrothermal device, which is characterized in that the heating layer passes through coating, print
The combination of one of brush, plating, metal etch and vapor deposition or various ways is prepared.
5. thermal imaging as described in claim 1 patterns electrothermal device, which is characterized in that the protective layer include insulating layer,
One of insulating layer and heat dissipating layer or multiple combinations.
6. the thermal imaging as described in Claims 1 to 5 is any patterns electrothermal device, which is characterized in that the thermal imaging pattern
Changing protective layer includes at least one of thermal imaging patterning insulating layer and thermal imaging patterning heat dissipating layer, in which:
At least two heat dissipation regions with different heat-sinking capabilities are equipped in the thermal imaging patterning heat dissipating layer；
At least two soak zones with different insulating powers are equipped in the thermal imaging patterning insulating layer.
7. the thermal imaging as described in Claims 1 to 5 is any patterns electrothermal device, which is characterized in that the material of the heating layer
Matter includes one of metal material or inorganic non-metallic material, and the inorganic non-metallic material includes carbon materials, infrared pottery
One of porcelain and Tourmaline material are a variety of, it is preferred that the material of the heating layer is carbon materials.
8. thermal imaging as claimed in claim 7 patterns electrothermal device, which is characterized in that the metal material include by copper,
One of aluminium, iron and nickel or a variety of powders obtained, slurry or plating raw material；
And/or the carbon materials include by graphite, conductive black, carbon crystal, carbon nanotubes, carbon fiber, graphene and fullerene
One of or a variety of powders obtained or slurry；
The infra-red china and the Tourmaline material are powder or slurry.
9. thermal imaging as described in claim 1 patterns electrothermal device, which is characterized in that the type of the heating layer includes complete
One of cover type, stripe and hollow type or a variety of combinations；And the incomplete phase of heating layer thickness of all standing type
Together, the thickness of the fever lines of different parts is not all the same in the heating layer of stripe and the heating layer of hollow type and/or width
It is not all the same.
10. a kind of electric heating products, which is characterized in that the electric heating products are equipped with the thermal imaging as described in claim 1~9 is any
Patterned electricity thermal device.
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| CN110708776A (en) * | 2019-10-25 | 2020-01-17 | 宁波石墨烯创新中心有限公司 | Flexible electric heating patch, electric heating device and preparation method thereof |
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