CN108848586A - A kind of wearable heating sheet of far-infrared flexible, preparation method and application - Google Patents
A kind of wearable heating sheet of far-infrared flexible, preparation method and application Download PDFInfo
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- CN108848586A CN108848586A CN201810857694.9A CN201810857694A CN108848586A CN 108848586 A CN108848586 A CN 108848586A CN 201810857694 A CN201810857694 A CN 201810857694A CN 108848586 A CN108848586 A CN 108848586A
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Classifications
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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
- 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
- H05B3/342—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs heaters used in textiles
-
- 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
- H05B3/10—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
- H05B3/145—Carbon only, e.g. carbon black, graphite
-
- 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
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/013—Heaters using resistive films or coatings
-
- 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
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/017—Manufacturing methods or apparatus for heaters
-
- 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
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/036—Heaters specially adapted for garment heating
Abstract
The invention discloses a kind of wearable heating sheet of far-infrared flexible, preparation method and applications.The preparation method includes：Flexible heating element and flexible insulating material layer are provided, the flexible heating element is electrically connected with electrode, the flexible heating element includes carbon material heating film comprising carbon material layer, set on carbon material layer both ends and/or two sides parallel pole or interdigital electrode and cover in the temperature-resistant insulation layer of carbon material layer two sides；The flexible insulating material layer is set to the opposite facing two sides of the flexible heating element, is pressed and is solidified using fast pressure or pressure transmission equipment, to realize the sealing and insulation of heater and electrode；Wherein, the carbon material heating film is prepared by wet coating.The present invention is prepared using the batch consistency that wet coating techniques realize flexible carbon material heating film；By electrode design, realizing carbon material heating film by low-voltage can drive generating heat, the final application realized in flexible wearable heating art.
Description
Technical field
The present invention relates to a kind of wearable heating sheet, in particular to the wearable heating sheet of a kind of far-infrared flexible and its preparation
Method and its in the application of heating art, belong to far infrared heating technology field.
Background technique
Wearable heating product, such as heated clothing, heating knee-pad, warming insole and various wearable flexible heater physical therapies
Instrument and equipment etc. increasingly cause the favor of consumer, and consumer can still experience frivolous clothes bring in cold winter
Warm experience can freely experience physiotheraping effect brought by Far-infrared Heating.Wearable heating product is usually in wearable production
Heating unit is added in product to realize heating function.
The existing heating unit of existing market is mainly the following type：Resistant heating piece, silk-screen printing conduction
The calandria of slurry, nano-carbon material such as graphene.Resistant heating piece is to be with the wire of traditional resistance wire or etching
Core calandria, heating volume property determines that its quality is harder, flexibility is poor, and there are electromagnetic radiation, are unfavorable for the mankind's
Health.The electrocondution slurry heating sheet of silk-screen printing is to be printed on conductive material such as silver paste, carbon dust etc. by silk-screen mode
Heating sheet on substrate, it is flexible poor, intolerant to washing, there are problems that serious safe handling.Graphite alkenes heating sheet is because of graphite
The high impedance of alkene film need to print close comb electrode, lead to material shortage flexibility.Above scheme is required to using soft
Property difference substrate, cause the flexibility of product poor, cannot achieve real flexible wearable application.
Recently, a kind of novel clothes heating sheet --- the appearance of carbon nanotube heating sheet solves the above problem.It should add
Backing is by the way that by the heating sheet of the carbon nano-tube film composite insulating material formation of Dry synthesis, heating effect is good, has non-
Often good flexibility, fundamentally solves the problems, such as the flexible of heating sheet, is a to be really able to achieve the new of flexible wearable application
Technology.Its manufacturing method is that overlength carbon nano pipe is synthesized using floating catalytic technology, forms carbon nanometer on Direct precipitation to substrate
Pipe continuous film is stripped, patterns, encapsulates.The problem of technology maximum is the consistency of carbon nano-tube film resistance value
And mass production problem.The film resistance of deposition is inhomogenous, and product yield is not high, while yield is extremely low in the unit time, very
It is difficult to guarantee the production of industry.
It would therefore be highly desirable to propose that a kind of tool is flexible, healthy, comfortable, low in cost and the wearable of industrialization easy to accomplish adds
Backing.
Summary of the invention
It is existing to overcome the main purpose of the present invention is to provide a kind of wearable heating sheet of far-infrared flexible and its application
Deficiency in technology.
For realization aforementioned invention purpose, the technical solution adopted by the present invention includes：
The embodiment of the invention provides a kind of preparation methods of the wearable heating sheet of far-infrared flexible comprising：
Flexible heating element is provided and flexible insulating material layer, the flexible heating element are electrically connected with electrode, the flexibility
Heater includes carbon material heating film, and the carbon material heating film includes carbon material layer, is set to carbon material layer both ends and/or two sides
Parallel pole or interdigital electrode and cover in the temperature-resistant insulation layer of carbon material layer two sides；
The flexible insulating material layer is set to the opposite facing two sides of the flexible heating element, using fast pressure or pressure transmission equipment
It is pressed and is solidified, to realize the sealing and insulation of the heater and electrode；
Wherein, the carbon material heating film is prepared by wet coating.
In some embodiments, the preparation method of the carbon material heating film includes：It disperses carbon material layer material in
In aqueous or oiliness Polymer Solution, the carbon material heating film is formed after drying by way of precision coating.
In some embodiments, the accurate coating includes being applied with comma scraper, slit extrusion, dimple coating and reticulate pattern
Carbon material layer material is coated on strippable substrate surface by any technology in cloth.
Preferably, the strippable substrate include in release film, PP film, PE film, PET film and PI film any one or
Two or more combinations.
The embodiment of the invention also provides the wearable heating sheets of the far-infrared flexible prepared by method above-mentioned comprising soft
Heat pyrexia body and sealing are coated on the flexible insulating material layer of the opposite facing two sides of the flexible heating element；And with it is described
The electrode that flexible heating element is electrically connected；
Wherein, at least one described flexible heating element is uniformly arranged between the flexible insulating material layer, and at least two
A flexible heating element is connected in parallel；The flexible heating element includes carbon material heating film, and the carbon material heating film includes
Carbon material layer, set on carbon material layer both ends and/or two sides parallel pole or interdigital electrode and cover in carbon material layer two sides
Temperature-resistant insulation layer.
In some embodiments, the carbon material layer with a thickness of 0.1 μm~100um.
Preferably, the carbon material layer includes being based on sp2The membranaceous conductive material layer of hybrid structure carbon material, it is described membranaceous
The sheet resistance of conductive material layer is 0.01 Ω/sq~10 Ω/sq, and driving voltage≤12V, power is 5~10W.
Preferably, the carbon material layer includes carbon nanotube, graphene, any one or two or more groups in graphite
It closes.
In some embodiments, the carbon material layer is prepared by wet coating.
In some embodiments, the flexible insulating material layer is using any in flexible fabric, terylene, PU and silica gel
A combination of one or more.
Further, the electrode includes the conducting wire that metal foil or electrocondution slurry are formed through printing.
Preferably, the flexible insulating material layer is laminated and solidifies with the flexible heating element, thus described in realizing
The sealing and insulation of flexible heating element and electrode.
In some embodiments, the wearable heating sheet of the far-infrared flexible further includes intelligent temperature controller, temperature sensing
Device and the USB system of temperature adjustment, the temperature sensor are set to flexible insulating material layer surface, and electric with the intelligent temperature controller
Property connection, the wearable heating sheet of far-infrared flexible also connect with mobile power source.
The embodiment of the invention also provides the wearable heating sheet of far-infrared flexible above-mentioned in prepare intelligent heating clothes, reason
Treat the purposes in knee-pad, heating waistband, warming insole, heating gloves, heating cap, automobile heating seat or heated steering wheel.
The embodiment of the invention also provides a kind of intelligent heating clothes, including garment body, further include be set to it is described
Far-infrared flexible wearable heating sheet garment body any position, above-mentioned.
Compared with prior art, beneficial effects of the present invention include：
1) present invention is prepared carbon material heating film by wet coating techniques and peeled off from the substrate, and is realized really soft
Property conductive film can batch volume production consistency preparation, the carbon material heating film distribution of resistance of production is uniform, and controllability is high, can
Batch production, performance are uniform, mainly solve the problems, such as carbon material heating film it is real it is flexible, can the consistent production of batch；
2) for the present invention by electrode design, realizing this wet coating flexible carbon material heating film can be by 3-12v's
Low-voltage drive generating heat, final to realize the application in flexible wearable heating art；
3) the wearable heating sheet of far-infrared flexible provided by the invention is used as heating core using carbon material heating film, remote red
External heat, heating efficiency is high, flexible, and the wearable heating sheet of the far-infrared flexible can issue 8~14 μm of far infrared
Line, it is beneficial to human body, not only human body can be made uniformly comfortably to warm up, but also Marjoram Extract, blood flow can be made to add
Speed simultaneously opens offshoot circulation, and then improves blood of human body microcirculation, plays a degree of health-care effect.
4) the super softness of the wearable heating sheet of far-infrared flexible provided by the invention rubs 100 resistance variations < 10%,
As wearable heating product, no weight bearing sense；
5) the wearable heating sheet heating speed of far-infrared flexible provided by the invention is very fast, and 3 seconds i.e. heat can reach set
The 90% of temperature, is experienced；
6) the wearable heating sheet of far-infrared flexible provided by the invention is had certain using cloth/silica gel as insulating layer
Intensity and shape, and do not lose its flexibility, can be water-fastness, wash 100 resistance variations < 10%, it is resistant to bending；
7) the far-infrared flexible provided by the invention wearable heating sheet service life is up to 30000h, and super power saving, energy saving
Good, 10000mAh charger baby can continue a journey 6~8h.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the wearable heating sheet of far-infrared flexible among a typical embodiments of the invention.
Fig. 2 is a kind of pictorial diagram of the wearable heating sheet of far-infrared flexible among a typical embodiments of the invention.
Fig. 3 is a kind of thermograph of the wearable heating sheet of far-infrared flexible among a typical embodiments of the invention.
Fig. 4 is a kind of far infrared wavelength spectrum of the wearable heating sheet of far-infrared flexible among a typical embodiments of the invention
Figure.
Fig. 5 is a kind of pictorial diagram of intelligent heating clothes among a typical embodiments of the invention.
Fig. 6 is a kind of thermograph of intelligent heating clothes among a typical embodiments of the invention.
Description of symbols：1- heats adhesive plaster, 2- carbon material heating film, and 3- heats adhesive plaster, 4- electrode, 5- heat-resisting wire.
Specific embodiment
In view of deficiency in the prior art, inventor is studied for a long period of time and is largely practiced, and is able to propose of the invention
Technical solution will be explained in detail explanation as follows.
A kind of preparation method for the wearable heating sheet of far-infrared flexible that the one aspect of the embodiment of the present invention provides, packet
It includes：
Flexible heating element is provided and flexible insulating material layer, the flexible heating element are electrically connected with electrode, the flexibility
Heater includes carbon material heating film, and the carbon material heating film includes carbon material layer, is set to carbon material layer both ends and/or two sides
Parallel pole or interdigital electrode and cover in the temperature-resistant insulation layer of carbon material layer two sides；
The flexible insulating material layer is set to the opposite facing two sides of the flexible heating element, using fast pressure or pressure transmission equipment
It is pressed and is solidified, to realize the sealing and insulation of the heater and electrode；
Wherein, the carbon material heating film is prepared by wet coating.
In some embodiments, the preparation method of the carbon material heating film includes：It disperses carbon material layer material in
In aqueous or oiliness Polymer Solution, the carbon material heating film is formed after drying by way of precision coating.
Preferably, the accurate coating includes with appointing in comma scraper, slit extrusion, dimple coating and web coatable etc.
Carbon material layer material is coated on strippable substrate surface by a kind of technology.
It is further preferred that the strippable substrate includes appointing in release film, PP film, PE film, PET film and PI film etc.
Meaning a combination of one or more, but not limited to this.
Preferably, the carbon material layer includes carbon nanotube, graphene, any one or two or more groups in graphite
It closes, preferably carbon nanotube, but not limited to this.
The present invention is prepared carbon material heating film by wet coating techniques and peeled off from the substrate, and real flexibility is realized
Conductive film can batch volume production consistency preparation, the carbon material heating film distribution of resistance of production is uniform, and controllability is high, can criticize
Amount production, performance are uniform, mainly solve the problems, such as carbon material heating film it is real it is flexible, can the consistent production of batch.
Further, the electrode is connected and/or is arranged in parallel using multipoint electrode, and the electrode is with doublet cord
Form is drawn, and bifilar line electrode is formed.
Further, the electrode includes the conducting wire that metal foil or electrocondution slurry are formed through printing.
For the present invention by electrode design, realizing this wet coating flexible carbon material heating film can be by the low of 3-12v
Voltage drive generating heat, final to realize the application in flexible wearable heating art.
The other side of the embodiment of the present invention additionally provide the far-infrared flexible prepared by method above-mentioned it is wearable plus
Backing comprising flexible heating element and sealing are coated on the flexible insulating materials of the opposite facing two sides of the flexible heating element
Layer；And the electrode being electrically connected with the flexible heating element；
Wherein, at least one described flexible heating element is uniformly arranged between the flexible insulating material layer, and at least two
A flexible heating element is connected in parallel；The flexible heating element includes carbon material heating film, and the carbon material heating film includes
Carbon material layer, set on carbon material layer both ends and/or two sides parallel pole or interdigital electrode and cover in carbon material layer two sides
Temperature-resistant insulation layer.
In some embodiments, the carbon material layer with a thickness of 0.1 μm~100um.
Preferably, the carbon material layer includes being based on sp2The membranaceous conductive material layer of hybrid structure carbon material, it is described membranaceous
The sheet resistance of conductive material layer is 0.01 Ω/sq~10 Ω/sq, and driving voltage≤12V, preferably 5V, power is 5~10W.
Preferably, the carbon material layer includes carbon nanotube, graphene, any one or two or more groups in graphite
It closes, preferably carbon nanotube, but not limited to this.
In some embodiments, the carbon material layer is prepared by wet coating, raw by wet coating techniques
Carbon material heating film is produced, distribution of resistance is uniform, and controllability is high, can be mass.
Preferably, the carbon material heating film is scattered in aqueous or oiliness Polymer Solution by carbon material layer material,
Formed after drying by way of accurate coating can self-supporting flexible conductive film.
Further, the accurate coating includes in comma scraper, slit extrusion, dimple coating and web coatable etc.
Carbon material layer material is coated on strippable substrate surface by any technology.
It is further preferred that the strippable substrate includes appointing in release film, PP film, PE film, PET film and PI film etc.
Meaning a combination of one or more, but not limited to this.
Further, the electrode is connected and/or is arranged in parallel using multipoint electrode, and the electrode is with doublet cord
Form is drawn, and bifilar line electrode is formed.
Further, the electrode includes the conducting wire that metal foil or electrocondution slurry are formed through printing.
Preferably, the electrode and heat-resisting wire are electrically connected.
In some embodiments, the flexible insulating material layer is using any in flexible fabric, terylene, PU and silica gel
A combination of one or more, preferably flexible fabric, silica gel etc., especially preferably hot melt adhesive plaster, but not limited to this.It uses
The glue-line sealing heater that good airproof performance, rubbing are had excellent performance, the heating sheet of preparation is flexible, resistance stabilization, water-fastness, resistance to stranding
It rubs, the service life is long and security performance is high.
In some embodiments, the wearable heating sheet of the far-infrared flexible includes dry goods heating sheet and silica gel heating sheet,
Its structure is that wet coating carbon material heating film is powered on pole, is laminated outside using cloth/silica gel with hot melt adhesive as encapsulating material
It closes, one/several heaters are evenly spaced between the interlayer of heating sheet, and each heater is successively connected in parallel.
Preferably, the flexible insulating material layer is laminated and solidifies with the flexible heating element, thus described in realizing
The sealing and insulation of flexible heating element and electrode, used insulated enclosure technique use the fast pressure or pressure transmission equipment in the field FPC
It is pressed and is solidified, it is ensured that the sealing and insulation of conductive layer.
Further, the upper and lower surface of the flexible heating element is respectively arranged with the first insulating materials film layer and the second insulation
Film layer, and the first insulating materials film layer is connected with the edge seal of the second insulating materials film layer.
Preferably, the bifilar line electrode and heat-resisting wire and the first insulating materials film layer, the second insulating materials film layer
Junction is provided with sealant.
In some embodiments, the wearable heating sheet of the far-infrared flexible further includes intelligent temperature controller, temperature sensing
Device and the USB system of temperature adjustment, the temperature sensor are set to flexible insulating material layer surface, and the temperature of heating sheet is adjusted,
And be electrically connected with the intelligent temperature controller, the wearable heating sheet of far-infrared flexible is also connect with mobile power source.
The intelligent temperature controller, temperature sensor can be using elements known to industry, and can be by commercially available etc.
Approach obtains.
Preferably, the intelligent temperature controller is also wirelessly connected with intelligent terminal.
Further, the wearable heating sheet of the far-infrared flexible connects 3V~12V mobile power source, passes through intelligent temperature control
Device/cell phone intelligent APP control heating temperature and time, achieve the purpose that comfortably to heat.
Further, the wearable heating sheet of the far-infrared flexible can issue 8~14 μm of far infrared, have to human body
Benefit not only can make human body uniformly comfortably warm up, but also Marjoram Extract, blood flow can be made to accelerate and open side shoot
Circulation, and then improve microcirculation in human body, play a degree of health-care effect.
Further, the wearable heating film of the far-infrared flexible is flexible, rubs 100 resistance variations < 10%.
Further, the wearable heating film of the far-infrared flexible can be water-fastness, washes 100 resistance variations < 10%.
Further, the wearable heating film heating speed of the far-infrared flexible is fast, reaches the 90% of established temperature within 3 seconds.
Further, the wearable heating film good energy saving property of the far-infrared flexible, 10000mAh charger baby can continue a journey 6~
8h。
Further, the wearable heating membrane lifetime of the far-infrared flexible is long, can continuous work 30000h.
The other side of the embodiment of the present invention additionally provides the wearable heating sheet of far-infrared flexible above-mentioned in preparation intelligence
It can heated clothing, physiotherapy kneelet, heating waistband, warming insole, heating gloves, heating cap, automobile heating seat or heating direction
Purposes in disk etc..
For example, the embodiment of the invention also provides a kind of intelligent heating clothes, including garment body, it further include being set to
The wearable heating sheet of the far-infrared flexible garment body any position, above-mentioned.
Preferably, the wearable heating sheet of the far-infrared flexible fits in the back part of the garment body.
Below in conjunction with several examples and drawings the technical solution of the present invention is further explained explanation.
As shown in Figure 1, the present invention uses the flexible heating elements (i.e. carbon material heating film 2) such as carbon nanotube, graphene, through cutting out
After cutting and punching, it is bonded with upper and lower two panels empire cloth/silica gel (preferably hot melt adhesive plaster 3) to realize insulated enclosure, is used
The fast pressure or pressure transmission equipment in the field FPC are pressed and are solidified, it is ensured that the sealing and insulation of electrode 4.USB heat-resisting wire 5 with it is upper
It is aided with sealant sealing at the pressing of lower hot melt adhesive plaster, it is ensured that integral sealing effect.
As shown in Fig. 2, the present invention uses black non-woven fabrics for flexible insulating material layer, and connect the intelligence of intelligent temperature controller
The temperature of heating sheet is adjusted in control switch.
As shown in figure 3, infrared thermal imaging figure is shown after the wearable heating sheet access 5V voltage of far-infrared flexible of the invention
Surface temperature is 52.7 DEG C, and fever is uniform.
It is illustrated in figure 4 the wearable heating sheet of far-infrared flexible of the invention and accesses far infrared wavelength spectrogram after 5V voltage,
Mainly emit far infrared in 8~14 μ m wavelength ranges as seen from Figure 4.
It is as shown in Figure 5 the intelligent heating clothes being made by the wearable heating sheet of far-infrared flexible of the invention, heating sheet
It is put in back part.
As shown in fig. 6, infrared thermal imaging figure display surface temperature is 35.4 after the intelligent heating clothes access 5V voltage
DEG C, fever is uniform.
Embodiment 1
The wearable heating sheet of a kind of carbon nanotube provided in this embodiment, the heating sheet is using carbon nanotube as heater.Hair
The manufacturing method of hot body prepares the carbon nano tube flexible heating layer that a layer thickness is 50 μm by wet coating on substrate.Carbon is received
Mitron powder is scattered in aqueous or oiliness Polymer Solution, by way of coating after drying formed can self-supporting flexibility
Conductive film；Electrode on conductive film is designed configuration according to required power, in general needs through multipoint electrode
Design method carries out simulation and practical heating test, it can be achieved that uniformly heated effect by thermal analysis software.Multipoint electrode warp
After series-parallel, drawn in the form of USB doublet cord.The internal resistance of heater is 5 Ω；Heater is cut/punching after, with upper and lower two
Piece non-woven fabrics is bonded to realize insulated enclosure.It is pressed and is solidified using the fast pressure or pressure transmission equipment in the field FPC, it is ensured that
The sealing and insulation of conductive layer.It is aided with sealant sealing at the pressing of the bifilar line electrode of USB and upper lower film, it is ensured that integral sealing effect
Fruit.
The wearable heating sheet setting temperature sensor of the carbon nanotube and temperature controller, after connecting 5V/1A mobile power source, power
For 5W, 42 DEG C of surface temperature, as snug as a bug in a rug.
Embodiment 2
A kind of wearable heating sheet of graphene of the present embodiment, the heating sheet is using graphene as heater.The system of heater
It makes method and the graphene flexible heat generating layer that a layer thickness is 45 μm is prepared on substrate by wet coating.Graphene powder dispersion
In aqueous or oiliness Polymer Solution, by way of coating after drying formed can self-supporting flexible conductive film；It leads
Electrode on electrolemma is designed configuration according to required power, in general needs the design method by multipoint electrode, leads to
Analysis of overheat software carries out simulation and practical heating test, it can be achieved that uniformly heated effect.Multipoint electrode after series-parallel, with
The form of USB doublet cord is drawn.The internal resistance of heater is 5 Ω；Heater is cut/punching after, pasted with upper and lower two panels film
It closes to realize insulated enclosure.Pressed and solidified using the fast pressure or pressure transmission equipment in the field FPC, it is ensured that the sealing of conductive layer with
Insulation.
The wearable heating sheet setting temperature sensor of the graphene and temperature controller, after connecting 5V/1A mobile power source, power is
5W, 43 DEG C of surface temperature, as snug as a bug in a rug.
By above-mentioned technical proposal, the wearable heating sheet of far-infrared flexible of the invention is used as using carbon material heating film to be added
Heat core, Far-infrared Heating, heating efficiency is high, flexible, and heating speed is fast, can be water-fastness, and the service life is long, good energy saving property.
Finally, it is to be noted that, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.
It should be understood that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention, for
For those skilled in the art, the invention may be variously modified and varied.All within the spirits and principles of the present invention, institute
Any modification, equivalent substitution, improvement and etc. of work, should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of preparation method of the wearable heating sheet of far-infrared flexible, it is characterised in that including：
Flexible heating element and flexible insulating material layer are provided, the flexible heating element is electrically connected with electrode, the flexible fever
Body includes carbon material heating film, and the carbon material heating film includes carbon material layer, set on the flat of carbon material layer both ends and/or two sides
It row electrode or interdigital electrode and covers in the temperature-resistant insulation layer of carbon material layer two sides；
The flexible insulating material layer is set to the opposite facing two sides of the flexible heating element, is carried out using fast pressure or pressure transmission equipment
It presses and solidifies, to realize the sealing and insulation of the heater and electrode；
Wherein, the carbon material heating film is prepared by wet coating.
2. preparation method according to claim 1, it is characterised in that：The preparation method of the carbon material heating film includes：
Disperse carbon material layer material in aqueous or oiliness Polymer Solution, precision coating by way of after drying formed described in
Carbon material heating film.
3. preparation method according to claim 2, it is characterised in that：The accurate coating includes with comma scraper, slit
It squeezes out, carbon material layer material is coated on strippable substrate surface by any technology in dimple coating and web coatable；It is excellent
Choosing, the strippable substrate include in release film, PP film, PE film, PET film and PI film any one or it is two or more
Combination；Preferably, the carbon material layer material include carbon nanotube, graphene, in graphite any one or it is two or more
Combination, especially preferably carbon nanotube.
4. preparation method according to claim 1, it is characterised in that：The electrode is using multipoint electrode series connection and/or simultaneously
Connection setting, and the electrode is drawn in the form of doublet cord, forms bifilar line electrode；Preferably, the electrode includes metal
The conducting wire that foil or electrocondution slurry are formed through printing.
5. by the wearable heating sheet of far-infrared flexible prepared by method of any of claims 1-4, it is characterised in that
The flexible insulating material layer of the opposite facing two sides of the flexible heating element is coated on including flexible heating element and sealing；And
The electrode being electrically connected with the flexible heating element；
Wherein, at least one described flexible heating element is uniformly arranged between the flexible insulating material layer, and at least two institutes
Flexible heating element is stated to be connected in parallel；The flexible heating element includes carbon material heating film, and the carbon material heating film includes carbon materials
The bed of material, set on carbon material layer both ends and/or two sides parallel pole or interdigital electrode and cover in the resistance to of carbon material layer two sides
High-temperature insulating layer.
6. the wearable heating sheet of far-infrared flexible according to claim 5, it is characterised in that：The thickness of the carbon material layer
It is 0.1 μm~100 μm；Preferably, the carbon material layer includes being based on sp2The membranaceous conductive material layer of hybrid structure carbon material,
The sheet resistance of the membranaceous conductive material layer is 0.01 Ω/sq~10 Ω/sq, and driving voltage≤12V, power is 5~10W；
Preferably, the carbon material layer includes carbon nanotube, graphene, any one or two or more combinations in graphite, especially
Preferably carbon nanotube.
7. the wearable heating sheet of far-infrared flexible according to any one of claim 5-6, it is characterised in that：The electrode
It connects and/or is arranged in parallel using multipoint electrode, and the electrode is drawn in the form of doublet cord, forms bifilar line electrode；
Preferably, the electrode includes the conducting wire that metal foil or electrocondution slurry are formed through printing；Preferably, the electrode with it is heat-resisting
Conducting wire is electrically connected.
8. the wearable heating sheet of far-infrared flexible according to claim 7, it is characterised in that：The flexible insulating material layer
Using any one or the two or more combinations in flexible fabric, terylene, PU and silica gel, preferably flexible fabric and/or silicon
Glue；Preferably, the flexible insulating material layer is laminated and solidifies with the flexible heating element, to realize the heater
With the sealing and insulation of electrode；
Preferably, the upper and lower surface of the flexible heating element is respectively arranged with the first insulating materials film layer and the second insulating material membrane
Layer, and the first insulating materials film layer is connected with the edge seal of the second insulating materials film layer；Preferably, the doublet cord electricity
The junction of pole and heat-resisting wire and the first insulating materials film layer, the second insulating materials film layer is provided with sealant.
9. the wearable heating sheet of far-infrared flexible according to any one of claim 5-6,8, it is characterised in that further include
Intelligent temperature controller, temperature sensor and the USB system of temperature adjustment, the temperature sensor are set to flexible insulating material layer surface,
And be electrically connected with the intelligent temperature controller, the wearable heating sheet of far-infrared flexible is also connect with mobile power source；Preferably,
The intelligent temperature controller is also wirelessly connected with intelligent terminal.
10. the wearable heating sheet of far-infrared flexible according to any one of claim 5-6,8, it is characterised in that：It is described
The wearable heating sheet of far-infrared flexible can issue 8~14 μm of far infrared, rub 100 resistance variations less than 10%, water
Washing 100 resistance variations and charging less than 90%, the 10000mAh that can reach established temperature for 10%, 3 second can continue a journey 6~8h,
Working life is up to 30000h.
11. the wearable heating sheet of far-infrared flexible described in any one of claim 5-10 in prepare intelligent heating clothes, reason
Treat the purposes in knee-pad, heating waistband, warming insole, heating gloves, heating cap, automobile heating seat or heated steering wheel.
12. a kind of intelligent heating clothes, including garment body, it is characterised in that further include being set to any position of the garment body
The wearable heating sheet of far-infrared flexible described in any one of set, claim 5-10；Preferably, the far-infrared flexible can
Wearing heating sheet fits in the back part of the garment body.
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| CN201711085553 | 2017-11-07 | ||
| CN2017110855531 | 2017-11-07 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109688647A (en) * | 2019-03-01 | 2019-04-26 | 无锡远稳烯科技有限公司 | A kind of manufacture craft of graphene carbon nano-tube film electric heating piece |
| CN109717526A (en) * | 2019-03-05 | 2019-05-07 | 北京安墨烯科技有限责任公司 | A kind of outdoor type graphene electric heating clothes and preparation method thereof |
| CN109774292A (en) * | 2019-03-19 | 2019-05-21 | 中金态和(武汉)石墨烯研究院有限公司 | A kind of preparation method of graphene composite heating film |
| CN109982458A (en) * | 2019-03-21 | 2019-07-05 | 伍晓刚 | A kind of far infrared planar heat producing body and its production method |
| CN110351904A (en) * | 2019-07-09 | 2019-10-18 | 宁波石墨烯创新中心有限公司 | A kind of thermal imaging patterning electrothermal device and electric heating products |
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| WO2022183428A1 (en) * | 2021-03-04 | 2022-09-09 | Henkel Ag & Co. Kgaa | Electrical heating device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103272747A (en) * | 2013-05-29 | 2013-09-04 | 苏州汉纳材料科技有限公司 | Manufacturing method and system of transparent patterning carbon nano tube conducting thin film |
| WO2014106963A1 (en) * | 2013-01-07 | 2014-07-10 | Kim Youn Joung | Method for preparing flexible heater fabric |
| CN105491695A (en) * | 2015-12-31 | 2016-04-13 | 苏州捷迪纳米科技有限公司 | Two-dimensional nano carbon heating body, and flexible electric heating module and preparation method therefor |
| CN106060983A (en) * | 2016-06-03 | 2016-10-26 | 苏州捷迪纳米科技有限公司 | Low-voltage driven high-temperature electrothermal film, electric heating module and preparation method of low-voltage driven high-temperature electrothermal film |
| CN107135559A (en) * | 2017-06-08 | 2017-09-05 | 阚晓敏 | A kind of novel graphite alkene compound electric fever tablet and preparation method thereof |
| CN208783122U (en) * | 2017-11-07 | 2019-04-23 | 苏州汉纳材料科技有限公司 | A kind of wearable heating sheet of far-infrared flexible and intelligent heating clothes |
-
2018
- 2018-07-31 CN CN201810857694.9A patent/CN108848586A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014106963A1 (en) * | 2013-01-07 | 2014-07-10 | Kim Youn Joung | Method for preparing flexible heater fabric |
| CN103272747A (en) * | 2013-05-29 | 2013-09-04 | 苏州汉纳材料科技有限公司 | Manufacturing method and system of transparent patterning carbon nano tube conducting thin film |
| CN105491695A (en) * | 2015-12-31 | 2016-04-13 | 苏州捷迪纳米科技有限公司 | Two-dimensional nano carbon heating body, and flexible electric heating module and preparation method therefor |
| CN106060983A (en) * | 2016-06-03 | 2016-10-26 | 苏州捷迪纳米科技有限公司 | Low-voltage driven high-temperature electrothermal film, electric heating module and preparation method of low-voltage driven high-temperature electrothermal film |
| CN107135559A (en) * | 2017-06-08 | 2017-09-05 | 阚晓敏 | A kind of novel graphite alkene compound electric fever tablet and preparation method thereof |
| CN208783122U (en) * | 2017-11-07 | 2019-04-23 | 苏州汉纳材料科技有限公司 | A kind of wearable heating sheet of far-infrared flexible and intelligent heating clothes |
Cited By (16)
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|---|---|---|---|---|
| CN109688647A (en) * | 2019-03-01 | 2019-04-26 | 无锡远稳烯科技有限公司 | A kind of manufacture craft of graphene carbon nano-tube film electric heating piece |
| CN109717526A (en) * | 2019-03-05 | 2019-05-07 | 北京安墨烯科技有限责任公司 | A kind of outdoor type graphene electric heating clothes and preparation method thereof |
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| CN109982458A (en) * | 2019-03-21 | 2019-07-05 | 伍晓刚 | A kind of far infrared planar heat producing body and its production method |
| CN110351904A (en) * | 2019-07-09 | 2019-10-18 | 宁波石墨烯创新中心有限公司 | A kind of thermal imaging patterning electrothermal device and electric heating products |
| CN110384914A (en) * | 2019-07-17 | 2019-10-29 | 新乡医学院 | Exercise of elderly people knee protective device |
| CN110996413A (en) * | 2019-11-18 | 2020-04-10 | 佛山市高明毅力温控器有限公司 | Flexible heater and production method thereof |
| CN110933787A (en) * | 2019-12-11 | 2020-03-27 | 光之科技(北京)有限公司 | Heating assembly and preparation method thereof |
| CN111278177A (en) * | 2019-12-13 | 2020-06-12 | 中航复材（北京）科技有限公司 | Preparation method of carbon material electric heating sheet |
| CN111278177B (en) * | 2019-12-13 | 2021-12-21 | 中航复材（北京）科技有限公司 | Preparation method of carbon material electric heating sheet |
| CN112626848A (en) * | 2020-12-16 | 2021-04-09 | 郑州中科新兴产业技术研究院 | Portable low-voltage carbon nano electric heating fabric, preparation method and application |
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| WO2022183428A1 (en) * | 2021-03-04 | 2022-09-09 | Henkel Ag & Co. Kgaa | Electrical heating device |
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| CN115087155B (en) * | 2022-07-21 | 2022-11-15 | 佛山(华南)新材料研究院 | Flexible skin-touch graphene electric heating sheet and manufacturing method thereof |
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