CN110418444A - A kind of graphene electrical heating bag - Google Patents
A kind of graphene electrical heating bag Download PDFInfo
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- CN110418444A CN110418444A CN201810408536.5A CN201810408536A CN110418444A CN 110418444 A CN110418444 A CN 110418444A CN 201810408536 A CN201810408536 A CN 201810408536A CN 110418444 A CN110418444 A CN 110418444A
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- heating
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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
- H05B3/04—Waterproof or air-tight seals 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
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating 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—Heating 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
- 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
- H05B3/36—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs heating conductor embedded in insulating material
Landscapes
- Surface Heating Bodies (AREA)
- Resistance Heating (AREA)
Abstract
A kind of graphene electrical heating bag; the bag body of the heating bag has the heating chamber that can accommodate heated; the heating chamber, which has, allows heated to enter accent therein, and the bag body includes insulating layer (1), basal layer (2), graphene heating layer (3), electrode (4), insulating protective layer (5) and optionally water-resistant liner；The electrode (4) is arranged on the graphene heating layer (3) and is set as being electrically connected with power supply line, so that the bag body can obtain electric energy by the electrode (4).The graphene electrical heating bag has the advantages that light-weight, small in size and portable, suitable various application occasions.It is lighter, thinner, flexible higher that graphene heats layer weight, and is able to achieve uniform planar heating, is rapidly heated and cools down.
Description
Technical field
This application involves but be not limited to a kind of heating bag, and in particular, to but be not limited to a kind of graphene electrical heating bag.
Background technique
Heating bag is a kind of light-weight, small in size, portable heating equipment, can be used in food, drug, oil plant, equipment
Deng heating.Common heating method is divided into chemical reaction heating and electric heating.Chemically react heating method using quick lime or
Heating function is realized in metal etc. and water rapid reaction heat release.The advantages of this mode, is that light-weight, cheap, reaction is fast
Speed, but disadvantage include water consumption, release high-temperature steam, the easy leakage pollution of big, the chemical medicinal powder of reaction process peculiar smell, heating process need it is quiet
Only placement, heat waste waste heat time length, pollution environment, preservation difficulty are big.Electric heating include resistance heating, induction plus
Heat, electric arc heated, electron beam heating, infrared heating and medium heating, wherein resistance heating manner have it is simple, at low cost,
The advantage of pattern multiplicity.Flexible heater film is that one kind is flexible, foldable under to a certain degree, thickness is thin, heatable after energization
Planar resistance heating material.Novel heating bag can be made using flexible heater film, with homogeneous heating, heating is fast, adds
Heat it is convenient, flexible, using it is safe, not water consumption, without steam, without chemical impurity, heating occasion it is unlimited the advantages that.
Traditional flexible heater material mainly uses metal, but metal there are electric conversion efficiencies low, oxidizable, flexibility
Lower, the problems such as needing coiling to process.As Chinese invention patent CN102358219A discloses a kind of vehicle-mounted food heating bag, bag body
Surface layer in be embedded with electric heating wire.Chinese invention patent CN200945294Y discloses a kind of infusion thermostat heating bag, electric heating
Device uses electric heating wire, is put into rectangle cloth bag as separate unit.This mode is difficult to realize planar using heating wire and adds
Heat, homogeneous heating degree are lower.Chinese invention patent CN103997804A discloses a kind of water purifier heating bag, by being embedded with electric heating
The heating mantle of stick and resistance wire quickly heats water inlet.Chinese invention patent CN105919444A discloses a kind of Vehicular heating bag,
It is heated using electrically-heated coil.
Summary of the invention
It is the general introduction to the theme being described in detail herein below.This general introduction is not the protection model in order to limit claim
It encloses.
Graphene is a kind of two-dimensional carbon nanomaterial, has the characteristics that corrosion-resistant, good conductivity, high mechanical properties, root
Single-layer graphene can be divided into according to different-thickness, (number of plies is more than 10 layers, thickness for layer graphene (less than 10 layers), graphene microchip less
Degree is in 3.4-100 nanometer range).With metal phase ratio, graphene has that resistance to oxidation, acid and alkali-resistance, stability are strong, can be realized planar
The advantages that heating.But it about the research using graphene production heating bag, has not yet to see and has been reported that.
It is described this application provides a kind of graphene electrical heating bag on the basis of being careful studied to the prior art
The bag body of heating bag has the heating chamber that can accommodate heated, and the heating chamber, which has, allows heated to enter it
In accent, the bag body includes insulating layer, basal layer, graphene heating layer, electrode, insulating protective layer and optionally in waterproof
Lining；The electrode is arranged on the graphene heating layer and is set as being electrically connected with power supply line, so that the bag
Body can obtain electric energy by the electrode.
In some embodiments, the bag body can be formed by one or more main walls, and said major wall can be by institute
State insulating layer, the basal layer, the graphene heating layer, the electrode, the insulating protective layer and optionally water-resistant liner
It is formed.
In some embodiments, prepare the graphene heating layer raw material may include graphene, except graphene it
Outer conductive filler and resin.
It in some embodiments, is the weight of the graphene in terms of 100% by the total weight of the graphene heating layer
20%~80% can be accounted for, the weight of the conductive filler in addition to graphene can be no more than 50%, the weight of the resin
Amount can account for 20%~60%.
It optionally, is in terms of 100% by the total weight of the graphene heating layer, the weight of the graphene can account for 30%
~60%, the weight of the conductive filler in addition to graphene can be no more than 30%, and the weight of the resin can account for
30%~60%.
In some embodiments, the conductive filler in addition to graphene can be selected from carbon nanotube, carbon fiber, stone
In black nanometer sheet, graphite, carbon black and metal any one or more.
In some embodiments, the resin can selected from one of natural resin, synthetic resin, modified resin or
It is more kinds of.
Optionally, the resin can be selected from epoxy resin, phenolic resin, polyester resin, unsaturated polyester resin, organic
Silicone resin, fluorocarbon resin, acrylic resin, alkyd resin, vinylite, synthetic cellulose resin, polyamide, chlorine vinegar
In resin, polyurethane resin, polyvinylidene fluoride resin and synthetic rubber any one or more.
In some embodiments, the graphene can be shelled by the direct stripping method of liquid phase, oxidation-reduction method, electrochemistry
It is prepared from method, intercalation stripping method or electric arc stripping method.
Optionally, the graphene can be prepared by the direct stripping method of liquid phase.
Also optionally, the direct stripping method of the liquid phase can be fluid jet, the ball-milling method, sand milling in the direct stripping method of liquid phase
Method or shearing method.
In some embodiments, the average thickness of the graphene can be less than 30nm, and average transverse can be big
In 500nm.
In some embodiments, can make to prepare the graphene heating layer using the method for printing, spraying or blade coating
Raw material be attached on the basal layer, to form the graphene heating layer on the basal layer.
In some embodiments, the material of main part of the insulating layer can be selected from thermal insulation material, the micropore of fibre structure
In the thermal insulation material of structure and the thermal insulation material of bubble structure any one or more.
Optionally, the material of main part of the insulating layer can be selected from ceramic fibre, glass fibre, natural cotton, synthesis cotton, move
Object feather, foamed plastics, in foam rubber any one or more.
In some embodiments, the basal layer, the insulating protective layer and the water-resistant liner can be respectively independent
Ground by selected from natural macromolecular material, synthesize based on high molecular material, modified polymer material and above-mentioned high molecular material
In composite material any one or more material formed.
Optionally, the basal layer, the insulating protective layer and the water-resistant liner can be each independently by selected from poly-
Vinyl chloride, polyethylene, polypropylene, polystyrene, polycarbonate, polyester, polyacrylate, polyolefin, acrylonitrile/butadiene/
Styrol copolymer, cellulose acetate, ethylene/vinyl acetate copolymer, polyimides, polyetherimide, poly terephthalic acid
In glycol ester, silicon rubber, natural rubber, butadiene-styrene rubber, butadiene rubber and butyl rubber any one or more material
Material is formed.
In some embodiments, the heating bag can also include conducting channel and power connection, the conducting channel
One end be electrically connected with the electrode, the other end of the conducting channel is electrically connected with one end of the power connection, the electricity
The other end of source connector is configured to connect to power supply, so that the bag body can pass through the power connection, the conduction
Circuit and the electrode obtain electric energy from the power supply；Optionally, the power connection be configured to AC power source or with
Battery connection.
In some embodiments, the electrode can by metal and carbon fiber any one or more material
Material is made；Optionally, any one of the metal in copper, aluminium, iron and silver or more.
In some embodiments, the method for coating, printing, stickup or physical deposition can be used the electrode and institute
State the combination of graphene heating layer.
In some embodiments, the heating bag can also include temperature controller and temperature sensor；The temperature
Controller is electrically connected with the conducting channel, and is placed on the outside of the heating bag；The temperature sensor and the temperature control
Device signal connection processed, and be placed on the inside of the heating chamber, so that the temperature controller can be received from the temperature
The temperature signal of sensor and threshold value comparison with setting, and then control the opening and closing of power supply circuit.
In some embodiments, the quantity of more main walls can be 2~8, be optionally 2~4；It is described
It is connected with each other between more main walls at least through a side, other sides are freely separating to form the accent.
In some embodiments, it can be connected by the way of bonding, pressing or sewing between more described main walls.
In some embodiments, the heating bag can be the detachable heating bag of insulating layer；The insulating layer can be with
It is arranged to independent heat-insulation unit, the basal layer, the graphene heating layer, the electrode and insulating protective layer composition
Independent heating unit, the heating unit are put into the heat-insulation unit, and the optionally described water-resistant liner is put into heating unit
In, to form the detachable heating bag of the insulating layer.
In some embodiments, the heating unit can be put into described in a manner of insertion, stickup, pressing or sewing
In heat-insulation unit.
In some embodiments, the heating bag can also include the closing device for closing the accent, described
Closing device can be selected from one of zipper, magnetic absorption member, lid, Velcro, fastener, concave convex button, withdrawal cord or more.
The graphene electrical heating bag can be used as food heating bag, can be food, such as packed food, vacuum plastic sealing are eaten
The offers heating such as product, boxed food, canned food, including instant soup, instant rice, instant rice stick, fast food dish, fast food wheaten food
Deng.
The graphene electrical heating bag also acts as liquid medicine heating bag, can be liquid medicine, such as bottled liquid medicine, packed liquid medicine etc.
Heating, including infusion syrup, injection liquid medicine, oral liquid medicine, nutrient solution, physiological saline etc. are provided.
The graphene electrical heating bag also acts as the heating bag of the products such as blood, marrow.
The application has advantageous effect in that compared with prior art:
1, graphene electrical heating bag has the advantages that light-weight, small in size and portable, is suitble to various application occasions；
2, compared with metallic resistance silk, it is lighter, thinner, flexible higher that graphene heats layer weight, and is able to achieve uniform
Planar heating is rapidly heated and cools down.
Other features and advantage will illustrate in the following description, also, partly become from specification
It obtains it is clear that being understood and implementing the application.The purpose of the application and other advantages can be by specifications, right
Specifically noted structure is achieved and obtained in claim and attached drawing.
Detailed description of the invention
Attached drawing is used to provide to further understand technical scheme, and constitutes part of specification, with this
The embodiment of application is used to explain the technical solution of the application together, does not constitute the limitation to technical scheme.
Fig. 1 is the structure chart of the main wall of the embodiment of the present application；
Fig. 2 is the top view of the monoblock type heating layer of the embodiment of the present application；
Fig. 3 is the side view of the monoblock type heating layer of the embodiment of the present application；
Fig. 4 is the schematic diagram of the split type heating layer of the embodiment of the present application；
Fig. 5 is the perspective view of the arc heating bag of the embodiment of the present application；
Fig. 6 is the perspective view of the rectangular heating bag of the embodiment of the present application；
Fig. 7 be the embodiment of the present application setting there are two main wall heating bag schematic diagram；
Fig. 8 be the embodiment of the present application setting there are three main wall heating bag schematic diagram；
Fig. 9 be the embodiment of the present application setting there are four main wall heating bag schematic diagram；
Figure 10 is the schematic diagram of the detachable heating bag of insulating layer of the embodiment of the present application；
Figure 11 is the schematic diagram of the heating bag with different accent closing devices of the embodiment of the present application；
Figure 12 is the schematic diagram of the fixed temperature controller heating bag of the embodiment of the present application；
Figure 13 is the schematic diagram of the wire controlled temperature controller heating bag of the embodiment of the present application.
In figure: 1. insulating layers；2. basal layer；3. graphene heating layer；4. electrode；5. insulating protective layer；6. main wall；7. protecting
Warm unit；8. heating unit；9. magnetic clasp；10. flip lid；11. Velcro；12. concave convex button.
Specific embodiment
For the purposes, technical schemes and advantages of the application are more clearly understood, below in conjunction with attached drawing to the application
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature can mutual any combination.
The embodiment of the present application provides a kind of graphene electrical heating bag, and the graphene electrical heating bag includes bag body, described
Bag body has the heating chamber that can accommodate heated, and the heating chamber, which has, allows heated to enter chamber therein
Mouthful.As shown in Figure 1, the bag body includes insulating layer 1, basal layer 2, graphene heating layer 3, electrode 4 and insulating protective layer 5.Institute
Electrode 4 is stated to be arranged on the graphene heating layer 3.It can be according to insulating layer 1, basal layer 2, graphene heating layer 3, electrode 4
It is combined with the sequence of insulating protective layer 5 and forms main wall, it can also be according to insulating layer 1, electrode 4, graphene heating layer 3, basal layer 2
It is combined with the sequence of insulating protective layer 5 and forms main wall.The bag body is set as being combined by one or more several main walls and be formed.Also
One layer of water-resistant liner can be set again on insulating protective layer.
The graphene electrical heating bag of the embodiment of the present application can also include closing device, conducting channel and power connection.
The closing device is for closing the accent.
One end of the power connection is electrically connected with the other end of the conducting channel, and the other end of the power connection is set
Being set to can connect to power supply, thus the bag body can by the power connection, the conducting channel and the electrode from
Power supply obtains electric energy.
Graphene heating layer 3 in the embodiment of the present application can be monoblock type, and as shown in Figure 2 and Figure 3, i.e., graphene heats
Layer 3 is formed by complete one piece；Or it is split type, as shown in figure 4, i.e. heating layer is formed by several pieces separated.
The heating bag of the embodiment of the present application can be arc heating bag, as shown in Figure 5 according to the edge shape of heating bag；
Or rectangular heating bag, as shown in Figure 6；Or any other shape.
One or more main walls have can be set in heating bag provided by the embodiments of the present application, such as can be 1-8.Figure
7 be that there are two the schematic diagrames of the heating bag of main wall 6 for setting；Fig. 8 is that there are three the schematic diagrames of the heating bag of main wall 6 for setting；Fig. 9 is
The schematic diagram of heating bag there are four main wall 6 is set.
As shown in Figure 10, insulating layer provided by the embodiments of the present application can also be arranged to independent heat-insulation unit 7, substrate
Layer, graphene heating layer, electrode and insulating protective layer form independent heating unit 8, heating unit 8 with by insertion, paste,
The modes such as pressing, sewing are put into heat-insulation unit 7, form the detachable heating bag of insulating layer.
It is interconnected and fixed between main wall provided by the embodiments of the present application at least through a side, other sides of main wall can be with
It is freely separating to form accent, accent can be by zipper, magnetic absorption member (for example, magnetic clasp 9, disk, magnetic stripe etc.), lid (for example, turning over
Lid 10), Velcro 11 (i.e. thread gluing), fastener, concave convex button 12 (i.e. Self-enclosing), one of withdrawal cord or more sealing dress
It sets and is closed, it is specific as shown in figure 11.
Heating bag provided by the embodiments of the present application can also include temperature controller and temperature sensor, the temperature control
Device is electrically connected with the conducting channel, and the temperature sensor is electrically connected with the temperature controller, and temperature controller can be set
Determine the real time temperature of the location of temperature and displays temperature sensor.Temperature sensor is put into the heating bag when use
In heating chamber, the temperature signal being collected into is passed to temperature controller, the temperature that temperature controller will receive by temperature sensor
Degree signal is compared with set temperature, and when being lower than set temperature, control opens power supply line to be heated, and is being reached
Heating function is automatically closed when set temperature.Figure 12 is the schematic diagram of fixed temperature controller heating bag；Figure 13 is wire controlled
The schematic diagram of temperature controller heating bag.
Embodiment 1
Graphene heating layer: graphene, carbon fiber, acrylic resin
Flexible base layer: polyethylene terephthalate (PET)
Insulating protective layer: polyethylene terephthalate (PET)
Insulating layer: attached aluminium ceramic fibre
Electrode: copper foil
Water-resistant liner: non-woven fabrics
Closing device: flip lid
Graphene is prepared using oxidation-reduction method, and 2 nanometers of average thickness, 10 microns of average-size.It is 40% by weight ratio
Graphene, 20% chopped carbon fiber powder and 40% acrylic resin are soluble in water, are sprayed on poly terephthalic acid after mixing evenly
2 surface of glycol ester (PET) flexible base layer, drying form graphene heating layer 3.It will paste in parallel with glue copper foil in graphene
Polyethylene terephthalate (PET) is pasted onto stone to form electrode 4 on graphene heating layer 3 by 3 both ends of heating layer
Black alkene heating layer 3 and electrode 4 form insulating protective layer 5 above, will be by flexible base layer 2, graphene heating layer 3,4 and of electrode
The sandwich that insulating protective layer 5 forms is attached to attached 1 surface of aluminium ceramic wool insulation layer and forms Flexible Main wall 6.Flexible Main wall 6 is cut out
It is cut into 20cm × 25cm size, the Flexible Main wall 6 after two cuttings is by three edges of bonding, and there are an open accents, will
The non-woven bag of 18cm × 23cm is put into intracavitary as water-resistant liner, and water-resistant liner edge is fixed on accent side by suture way
Edge, accent are sealed using flip lid 10, form flexible heater bag.Temperature controller is pasted on the outside of heating bag, temperature sensing
Device is placed in heating chamber.
Embodiment 2
Graphene heating layer: graphene, carbon black, vinyl chloride-vinyl acetate resin
Flexible base layer: polyimides (PI)
Insulating protective layer: silicon rubber
Insulating layer: attached aluminium polystyrene foam plastics
Electrode: aluminium foil
Closing device: Velcro
Graphene is prepared using shearing method, and 20 nanometers of average thickness, 100 microns of average-size.It is 30% stone by weight ratio
Black alkene, 30% carbon black and 40% vinyl chloride-vinyl acetate resin are dissolved in cyclohexanone, are printed on polyamides by screen printing mode after mixing evenly
1 surface of imines (PI) flexible base layer, drying form graphene heating layer 3.Aluminium foil is attached to 3 liang of graphene heating layer in parallel
Silicon rubber insulating protective layer 4 is pasted onto graphene heating layer 3 and electricity to form electrode 4 on graphene heating layer 3 by end
On pole 4, heating unit 8 is formed.Heating unit 8 is cut into 3 20cm × 25cm sizes and is pasted.By attached aluminium polyphenyl second
Alkene foam insulation 1 is cut into 3 23cm × 28cm sizes and forms heat-insulation unit 7 by hot pressing, opens there are one
Accent, accent are sealed using Velcro.The heating unit 8 pasted is put into heat-insulation unit 7 and forms heating bag.Temperature control
Device processed is pasted on the outside of heating bag, and temperature sensor is placed in heating chamber.
Embodiment 3
Graphene heating layer: graphene, nano silver, ethylene-vinyl acetate copolymer (EVA) resin
Flexible base layer: polyethylene (PE)
Insulating protective layer: polyethylene (PE)
Insulating layer: attached aluminium polystyrene foam plastics
Electrode: aluminium film
Closing device: withdrawal cord
Graphene is prepared using electrochemical stripping method, and 23 nanometers of average thickness, 15 microns of average-size.By weight ratio 50%
Graphene, 20% nano-Ag particles and 30%EVA resin are dissolved in mixed dibasic acid ester, pass through intaglio printing side after mixing evenly
Formula is printed on 2 surface of polyethylene (PE) flexible base layer, and drying forms graphene heating layer 3.It is sputtered using magnetron sputtering mode
One layer of aluminium film is plated in 3 two sides of heating layer, to form electrode 4 on graphene heating layer 3, PE film is pasted onto graphene heating
On layer 3 and electrode 4, form heating unit 8.Heating unit 8 is cut into 2 15cm × 20cm, 2 5cm × 20cm sizes simultaneously
It is pasted.Attached aluminium polystyrene foam plastics insulating layer 1 is cut into 2 18cm × 22cm, 2 6cm × 22cm sizes simultaneously
Heat-insulation unit 7 is formed by hot pressing, there are an open accent, accent is sealed using withdrawal cord.The heating that will be pasted
Unit 8 is put into heat-insulation unit 7 and forms flexible heater bag.Temperature controller is pasted on the outside of heating bag, and temperature sensor is placed in
In heating chamber.It is controlled using wire controlled temperature controller, temperature sensor is pasted onto heating chamber bottom.
Embodiment 4
Heating layer: graphene, carbon nanotube, water-soluble urethane resin
Flexible base layer: polyethylene terephthalate (PET)
Insulating protective layer: polyethylene terephthalate (PET)
Insulating layer: glass silica gel cloth
Electrode: copper foil
Closing device: magnetism absorbent strip
Graphene is prepared using fluid jet, and 5 nanometers of average thickness, 13 microns of average-size.It is 40% graphite by weight ratio
Alkene, 10% carbon nanotube and 50% water-soluble urethane are soluble in water, and roller coating is in polyethylene terephthalate after mixing evenly
(PET) 2 surface of flexible base layer, drying form graphene heating layer 3.Copper foil is pasted onto graphene heating layer 3 using silver paste
Both ends, to form electrode 4 on graphene heating layer 3, by upper and lower level PET by heat sealing machine plastic packaging, will by flexible base layer 2,
It is soft that the sandwich that graphene heating layer 3, electrode 4 and insulating protective layer 5 form is pasted onto glass silica gel cloth 1 surface composition of insulating layer
The main wall 6 of property.Flexible Main wall 6 is cut into 10cm × 20cm size, the Flexible Main wall 6 after two cuttings adds by the way that sewing composition is flexible
Hot bag, and stay there are two active edges, accent is closed using magnetism absorbent strip.It is controlled using wire controlled temperature controller, temperature
Degree sensor, which is put, is pasted onto heating bag cavity edge.
Embodiment 5
Graphene heating layer: graphene, water-soluble urethane resin
Flexible base layer: polyethylene terephthalate (PET)
Insulating protective layer: polyethylene (PE)
Insulating layer: ceramic fibre rubberized fabric
Electrode: copper foil
Closing device: concave convex button
Graphene is prepared using sand-blast, and 13 nanometers of average thickness, 8 microns of average-size.It is 65% graphite by weight ratio
Alkene, 35% water-soluble urethane resin are soluble in water, are printed on poly terephthalic acid second using screen printing mode after mixing evenly
2 surface of diol ester (PET) flexible base layer, drying form graphene heating layer 3.Copper foil is pasted onto graphene using silver paste to add
3 both ends of thermosphere, to form electrode 4 on graphene heating layer 3, by PET and PE film by heat sealing machine plastic packaging, heating layer is clipped in film
Between, the sandwich being made of flexible base layer 2, graphene heating layer 3, electrode 4 and insulating protective layer 5 is pasted onto ceramic fibre
Tie up 1 surface composition Flexible Main wall 6 of rubberized fabric insulating layer.Flexible Main wall 6 is cut into 2 30cm × 40cm sizes, two cuttings
Flexible Main wall 6 afterwards forms flexible heater bag by high-temperature laminating, and stays there are two active edges, and accent is sealed using concave convex button.
It is controlled using fixed temperature controller, temperature controller is embedded in accent insulating layer, and temperature sensor, which is put, to be pasted onto
Heating chamber middle edge.
Although embodiment disclosed by the application is as above, the content only for ease of understanding the application and use
Embodiment is not limited to the application.Technical staff in any the application fields, is taken off not departing from the application
Under the premise of the spirit and scope of dew, any modification and variation, but the application can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (14)
1. a kind of graphene electrical heating bag, the bag body of the heating bag has the heating chamber that can accommodate heated, described
Heating chamber, which has, allows heated to enter accent therein, and the bag body includes insulating layer (1), basal layer (2), graphene
Heating layer (3), electrode (4), insulating protective layer (5) and optionally water-resistant liner；Electrode (4) setting adds in the graphene
It on thermosphere (3) and is set as being electrically connected with power supply line, so that the bag body can obtain electricity by the electrode (4)
Energy.
2. heating bag according to claim 1, wherein the bag body is formed by one or more main walls (6), the master
Wall (6) is protected by the insulating layer (1), the basal layer (2), the graphene heating layer (3), the electrode (4), the insulation
Sheath (5) and optionally water-resistant liner is formed.
3. heating bag according to claim 1 or 2, wherein the raw material for preparing the graphene heating layer (3) includes graphite
Alkene, conductive filler and resin in addition to graphene；
Optionally, by the total weight of the graphene heating layer (3) it is in terms of 100% that the weight of the graphene accounts for 20%~
80%, the weight of the conductive filler in addition to graphene is no more than 50%, and the weight of the resin accounts for 20%~60%；
Also optionally, by the total weight of the graphene heating layer (3) it is in terms of 100% that the weight of the graphene accounts for 30%~
60%, the weight of the conductive filler in addition to graphene is no more than 30%, and the weight of the resin accounts for 30%~60%；
Optionally, the conductive filler in addition to graphene is selected from carbon nanotube, carbon fiber, graphite nano plate, graphite, carbon black
With in metal any one or more；
Optionally, the resin is selected from one of natural resin, synthetic resin, modified resin or more, also optionally, institute
It states resin and is selected from epoxy resin, phenolic resin, polyester resin, unsaturated polyester resin, organic siliconresin, fluorocarbon resin, propylene
Acid resin, vinylite, synthetic cellulose resin, polyamide, vinyl chloride-vinyl acetate resin, polyurethane resin, gathers partially alkyd resin
In fluoroethylene resin and synthetic rubber any one or more.
4. heating bag according to claim 3, wherein the graphene by the direct stripping method of liquid phase, oxidation-reduction method,
Electrochemical stripping method, intercalation stripping method or electric arc stripping method are prepared；
Optionally, the graphene is prepared by the direct stripping method of liquid phase；Also optionally, the direct stripping method of the liquid phase is
Fluid jet, ball-milling method, sand-blast or shearing method in the direct stripping method of liquid phase.
5. heating bag according to claim 3 or 4, wherein the average thickness of the graphene is less than 30nm, average transverse
Size is greater than 500nm.
6. heating bag according to any one of claims 1-5, wherein the method using printing, spraying or blade coating makes to make
The raw material of the standby graphene heating layer (3) is attached on the basal layer (2), to form institute on the basal layer (2)
State graphene heating layer (3).
7. heating bag according to claim 1 to 6, wherein the material of main part of the insulating layer (1) is selected from fibre
Tie up any one in the thermal insulation material, the thermal insulation material of microcellular structure and the thermal insulation material of bubble structure of structure or more；
Optionally, the material of main part of the insulating layer (1) is selected from ceramic fibre, glass fibre, natural cotton, synthesis cotton, animal plumage
In hair, foamed plastics and foam rubber any one or more.
8. heating bag described in any one of -7 according to claim 1, wherein the basal layer (2), the insulating protective layer
(5) and the water-resistant liner is each independently by being selected from natural macromolecular material, synthesizing high molecular material, modified polymer material
With above-mentioned high molecular material based on composite material in any one or more material formed；
Optionally, each independently by being selected from polyvinyl chloride, polyethylene, polypropylene, polystyrene, polycarbonate, polyester, poly- third
Olefin(e) acid ester, polyolefin, acrylonitrile/butadiene/styrene copolymer, cellulose acetate, ethylene/vinyl acetate copolymer, polyamides
Imines, polyetherimide, polyethylene terephthalate, silicon rubber, natural rubber, butadiene-styrene rubber, butadiene rubber and fourth
In base rubber any one or more material formed.
9. heating bag according to claim 1 to 8, the heating bag further includes conducting channel and power connection,
One end of the conducting channel is electrically connected with the electrode (4), and the one of the other end of the conducting channel and the power connection
End electrical connection, the other end of the power connection is configured to connect to power supply, so that the bag body can pass through the electricity
Source connector, the conducting channel and the electrode (4) obtain electric energy from the power supply；
Optionally, the power connection is configured to connect with AC power source or with battery.
10. heating bag according to claim 9, the heating bag further includes temperature controller and temperature sensor；It is described
Temperature controller is electrically connected with the conducting channel, and is placed on the outside of the heating bag；The temperature sensor and the temperature
Controller signals connection is spent, and is placed on the inside of the heating chamber, so that the temperature controller can be received from described
The temperature signal of temperature sensor and threshold value comparison with setting, and then control the opening and closing of power supply circuit.
11. heating bag according to claim 1 to 10, wherein the electrode (4) is by being selected from metal and carbon fiber
In dimension any one or more material be made；
Optionally, any one of the metal in copper, aluminium, iron and silver or more；
Optionally, using the method for coating, printing, stickup or physical deposition by the electrode (4) and the graphene heating layer
(3) it combines.
12. the heating bag according to any one of claim 2-11, wherein the quantity of more main walls (6) be 2~
8, it is optionally 2~4；
It is connected with each other between more described main walls (6) at least through a side, other sides are freely separating to form the accent；
Optionally, it is connected by the way of bonding, pressing or sewing between more described main walls (6).
13. heating bag according to claim 1, wherein the heating bag is the detachable heating bag of insulating layer；The guarantor
Warm layer (1) is arranged to independent heat-insulation unit (7), the basal layer (2), the graphene heating layer (3), the electrode (4)
Independent heating unit (8) is formed with the insulating protective layer (5), the heating unit (8) is put into the heat-insulation unit (7)
In, the optionally described water-resistant liner is put into heating unit (8), to form the detachable heating bag of the insulating layer；
Optionally, the heating unit (8) is put into the heat-insulation unit in a manner of insertion, stickup, pressing or sewing.
14. heating bag according to claim 1 to 13, the heating bag further includes closing device, the sealing
Device is for closing the accent；
Optionally, the closing device in zipper, magnetic absorption member, lid, Velcro, fastener, concave convex button, withdrawal cord one
Kind or more.
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| CN201810408536.5A CN110418444A (en) | 2018-04-28 | 2018-04-28 | A kind of graphene electrical heating bag |
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| CN201810408536.5A CN110418444A (en) | 2018-04-28 | 2018-04-28 | A kind of graphene electrical heating bag |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110702551A (en) * | 2019-11-07 | 2020-01-17 | 合肥工业大学 | Linear reciprocating high-temperature friction testing machine capable of rapidly heating graphene coating |
| CN110928009A (en) * | 2019-11-26 | 2020-03-27 | Tcl华星光电技术有限公司 | Liquid crystal display panel |
| US20200305239A1 (en) * | 2019-03-22 | 2020-09-24 | Dupont Electronics, Inc. | Puncture-resistant sheet heater and structures made therewith |
| CN111934208A (en) * | 2020-07-07 | 2020-11-13 | 中筑科技股份有限公司 | Waterproof insulation high-strength safe control cabinet for electrical equipment |
| IT202200007325A1 (en) * | 2022-04-13 | 2023-10-13 | Bedimensional S P A | HEATING ELEMENT BASED ON A MIXTURE OF PURE GRAPHENE AND CARBON BLACK AND PROCESS FOR ITS PRODUCTION |
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2018
- 2018-04-28 CN CN201810408536.5A patent/CN110418444A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20200305239A1 (en) * | 2019-03-22 | 2020-09-24 | Dupont Electronics, Inc. | Puncture-resistant sheet heater and structures made therewith |
| CN110702551A (en) * | 2019-11-07 | 2020-01-17 | 合肥工业大学 | Linear reciprocating high-temperature friction testing machine capable of rapidly heating graphene coating |
| CN110928009A (en) * | 2019-11-26 | 2020-03-27 | Tcl华星光电技术有限公司 | Liquid crystal display panel |
| CN111934208A (en) * | 2020-07-07 | 2020-11-13 | 中筑科技股份有限公司 | Waterproof insulation high-strength safe control cabinet for electrical equipment |
| CN111934208B (en) * | 2020-07-07 | 2022-01-28 | 中筑科技股份有限公司 | Waterproof insulation safety type control cabinet for electrical equipment |
| IT202200007325A1 (en) * | 2022-04-13 | 2023-10-13 | Bedimensional S P A | HEATING ELEMENT BASED ON A MIXTURE OF PURE GRAPHENE AND CARBON BLACK AND PROCESS FOR ITS PRODUCTION |
| WO2023199242A1 (en) * | 2022-04-13 | 2023-10-19 | Bedimensional S.P.A. | Heating element based on a mixture of pure graphene and carbon black and process for its production |
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