CN107241820A - A kind of graphite paper composite heating plate and preparation method thereof - Google Patents
A kind of graphite paper composite heating plate and preparation method thereof Download PDFInfo
- Publication number
- CN107241820A CN107241820A CN201710412900.0A CN201710412900A CN107241820A CN 107241820 A CN107241820 A CN 107241820A CN 201710412900 A CN201710412900 A CN 201710412900A CN 107241820 A CN107241820 A CN 107241820A
- Authority
- CN
- China
- Prior art keywords
- heating
- graphite paper
- graphite
- film
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
- H05B3/26—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base
- H05B3/262—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base the insulating base being an insulated metal plate
-
- 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
-
- 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
Abstract
The invention discloses a kind of graphite paper composite heating plate and preparation method thereof, wherein, graphite paper composite heating plate includes：Heating film, including first surface and second surface；Heat sink, is arranged at the second surface of the heating film；The heating film includes：Second dielectric film, it is arranged at the second resin colloid layer of the second insulating film surface, it is arranged at the graphite paper heating layer of the second resin colloid surface, it is arranged at the first dielectric film of graphite paper heating layer surface, it is arranged at the first resin colloid layer of the first insulating film surface, terminal, the terminal is connected with graphite paper heating layer, the both positive and negative polarity for the power supply of connection；The heat sink is fit together by the first resin colloid layer with heating film.The present invention is used as heating layer using graphite paper, manufacture craft is simple, large scale heating board can be fabricated to, and without being spliced to form large scale heating board using small size exothermic material, reduce the production process of large scale heating board, reflecting layer and heat-insulation layer are added simultaneously, ensure that whole heating board can only be to whole face transfer of heat, improve the heating efficiency of whole heating board, graphite paper heating layer combination metallic heat radiating plate, while heating effect is ensured, protection by metallic heat radiating plate to graphite paper heating layer, reduce the risk of graphite paper heating layer damage, improve the service life of whole heating board.
Description
Technical field
The present invention relates to a kind of graphite paper composite heating plate based on graphite paper electricity heating and preparation method thereof.
Background technology
Existing high-temperature heating film heater is the circuit of etching metal foil formation, and metal foil emissivity is low, therefore electric heating
Radiation efficiency is relatively low, it is impossible to meet the demand of high electric radiation efficiency electric heating device.Emissivity refers to the radianting capacity and phase of object
The ratio between radianting capacity of synthermal lower black matrix, also referred to as radiance, characterize radianting capacity of the object to light.
The electric radiation conversion efficiency of existing metal foil heating film is below 20%.
The main making step of metal foil Electric radiant Heating Film is as follows：
1st, the clad with metal foil on dielectric film；
2nd, light-sensitive surface is covered on metal foil；
3rd, pattern light-sensitive surface by the method for exposure, development；
4th, metal foil is put into etching liquid and etches away unprotected region；
5th, light-sensitive surface is sloughed in liquid parting, on metal foil one layer of dielectric film of the amount of covering.
Metal foil heating film processing step is complex, and the use of metal foil etching liquid and liquid parting can be caused to environment
Pollution.
Graphite paper is 400-440W/m.K towards thermal conductivity, but graphite paper thickness direction thermal conductivity is only 8-12W/m.K, and
Progressively reduce with the increase of thickness.
Chinese patent (A of CN 104883760) discloses the electric heating piece using graphene film as heating main body, graphene
The problem of film easily occurs generating heat uneven as heater, this is due to that graphene film thickness is too thin (≈ 0.34nm), in system
Standby and process easily causes breakage, and the sheet resistance of graphene is uneven also to easily cause heating inequality；In addition, because graphene
It is too thin easily to be burnt when high current works, therefore high-temperature heating relatively difficult to achieve.
Chinese patent (CN201520360467.7) discloses the composite guide with graphite paper and the manufacture of aluminium sheet combination timber floor
Heating floor, but graphite paper thickness is between 800 μm to 1000 μm, graphite paper towards thermal conductivity be 400-440W/m.K, but graphite
Paper thickness direction thermal conductivity is only 8-12W/m.K, and is progressively reduced with the increase of thickness, thus heat-conducting effect is not very
It is good, while graphite paper thickness causes correspondence production cost high greatly and too thick processing technology is difficult, while not carried out to graphite paper
Patterned process, simply simple sandwich, the characteristic for not making full use of graphene thermal conductivity good.
Chinese patent (CN201520759944.7) graphite paper heater and Chinese patent (CN201520360467.7) class
Seemingly, simple requirement simply is made to graphite paper pyrotoxin sense of current length and width size, product is difficult to meet the city increasingly become more meticulous
Field demand.
Based on above mentioned problem, in electrical heating diaphragm field, still it is badly in need of further exploration.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to there is provided a kind of uniform using emissivity height, heating
Graphite paper composite heating plate, the heating plate can be widely used located at wall heating, heating, etc. in floor.
It is a further object of the present invention to provide the preparation method of above-mentioned graphite paper composite heating plate.
The purpose of the present invention is implemented by the following technical programs：
A kind of graphite paper composite heating plate, including：
Heating film, including first surface and second surface；
Heat sink, is arranged at the second surface of the heating film；
The heating film includes：
Second dielectric film,
The second resin colloid layer of the second insulating film surface is arranged at,
The graphite paper heating layer of the second resin colloid surface is arranged at,
The first dielectric film of graphite paper heating layer surface is arranged at,
The first resin colloid layer of the first insulating film surface is arranged at,
Terminal, the terminal is connected with graphite paper heating layer, the both positive and negative polarity for connecting power supply；
The heat sink is fit together by the first resin colloid layer with heating film；
Preferably, the heating film is provided with least one temperature inductor and temperature sensor control module, the temperature
Inductor is used for the temperature of sensing heating plate, is connected by lead with the temperature sensor control module, the TEMP
Device control module is connected with power supply, to control heating plate bulk temperature.
One aspect of the present invention, the graphite paper heating layer is PI sintering graphites heat conducting film, native graphite heat conducting film, stone
Black alkene is coated with graphite guide hotting mask, preferably PI sintering graphites heat conducting film.Black heat conducting film is referred to as conductive graphite piece by everybody again, radiating
Graphite film, graphite radiating film etc..In the prior art, conduction graphite film is a kind of new heat conduction and heat radiation material, and its heat conduction dissipates
The effect of heat is very it will be evident that now having been widely used for PDP, LCD TV, Notebook PC, UMPC, Flat Panel
The electronic products such as Display, MPU, Projector, Power Supply, LED.PI sintering graphite heat conducting films refer to PI films one
The graphite guide hotting mask of high-temperature calcination graphitization formation under fixed pressure.It is preferred that, graphite heat conducting film thickness is 20-100 μm, example
Such as：20 μm, 30 μm, 40 μm, 50 μm, 60 μm, 70 μm, 80 μm, 90 μm, 100 μm, etc.；Most preferably 25 μm.
As one aspect of the present invention, the graphite paper heating layer presses end to end U for the graphite guide hotting mask of bar shaped
Type pattern is distributed on dielectric film, and terminal is respectively arranged on the two ends of the graphite guide hotting mask of bar shaped.
Preferably, the graphite guide hotting mask of the end to end U-shaped pattern includes parallel multiple vertical bar portions and multiple foldings
Turn of bilge, adjacent vertical strip forms crack between portion.
It is further preferred that the width in the vertical bar portion is equal, the width of each crack is equal；
It is further preferred that the width in the vertical bar portion and the width of crack are (2.5-4)：1, for example：2.5：1,
2.6：1,2.7：1,2.8：1,2.9：1,3：1,3.1：1,3.2：1,3.3：1,3.4：1,3.5：1,3.5：1,3.7：1,3.8：1,
3.9：Isosorbide-5-Nitrae：1, etc.；Most preferably 3：1.
Preferably, the vertical bar portion of the graphite guide hotting mask of the bar shaped is equal with the width of bending part.
It is further preferred that the final warming temperature of heating film, initial temperature, supply voltage, bar shaped graphite guide hotting mask
Total length, the width of bar shaped graphite guide hotting mask, electric heating membrane area, the square resistance of graphite guide hotting mask meet equation below：
T=kU2D/ (LSR)+t,
Wherein,
T --- initial temperature, unit for DEG C；
T --- Electric radiant Heating Film heating institute to final warming temperature, unit for DEG C；
U --- supply voltage, unit is V；
The width of the graphite guide hotting mask of D --- bar shaped, unit is cm；
The total length of the graphite guide hotting mask hair of L --- bar shaped, unit is cm；
S --- electric heating membrane area, unit is cm2；
R --- graphite guide hotting mask square resistance, unit is Ω/；
K --- constant, span is 50-400, and k spans are according to the coefficient of conductivity meeting between Electric radiant Heating Film and air
There is difference, the coefficient of conductivity between Electric radiant Heating Film and air is inversely proportional.
Preferably, the two ends of the graphite guide hotting mask of the bar shaped are adjacent, and two vertical bar portions of outer most edge are connected, it is preferred that
Edge extension of the connected bending part in two vertical bar portions of outer most edge along dielectric film.
It is further preferred that being provided with perforate on dielectric film, the two ends of the graphite guide hotting mask of bar shaped are distributed in tapping.
As one aspect of the present invention, the heat sink uses metal material, preferably aluminium sheet or copper coin.The heat sink
Thickness be 20-5000 μm, preferably 500-3000 μm；
It is one kind not it is further preferred that the heat sink is using raised vertical bar line or inclined stripe structure, the projection
On the premise of changing sheet metal thickness, rat, the raised back side is then groove；This combination being recessed when projection,
The plate thickness that makes entirely to radiate is constant, can be with the significantly more efficient infrared ray for launching graphite paper to around dissipating.Wherein, the bar
The raised height of line is 3-5mm.It is further preferred that the distance between two convex stripes are 2-4 times of convex stripe width, it is excellent
Select 2.5 times.Now, radiating effect is optimal.
As one aspect of the present invention, the first resin colloid layer or the second resin colloid layer are transparent adhesive tape
Body, preferred epoxy glue (OCA), PUR or double faced adhesive tape isocolloid, thickness is 50-200 μm.
As one aspect of the present invention, it is thin that first dielectric film or the second dielectric film are selected from PET, PEN, PC, PI etc.
Film, thickness is 20-200 μm.
As one aspect of the present invention, the graphite paper composite heating plate also includes reflecting layer, is arranged at the heating
The first surface of film, for receiving infrared ray that heating layer transmits to and reflecting back.Preferably, the surface in the reflecting layer
Heat-insulation layer is provided with, for completely cutting off graphite paper composite heating plate and back side object thermal isolation；
As one aspect of the present invention, increase metal stator at the terminal, stator is to protect graphite paper end
Head, reduces the damage in process graphite paper termination, while facilitate graphite paper heating layer more preferably to be contacted with external power source, metal
Stator can be the one or more combination in the materials such as copper sheet, silver strip, steel disc, nickel sheet.And metal stator is attached to graphite
On paper, it can play a part of protecting graphite paper during heating film following process.
A kind of preparation method of graphite paper composite heating plate, comprises the following steps：
Graphite paper is cut into designed pattern and alignment target；
The graphite paper that will be patterned into is fitted on the second resin colloid, and the second dielectric film is then attached again；
Metal stator is attached in graphite paper end；
By the first dielectric film perforate and making alignment target；
Graphite paper contraposition by the first dielectric film with having posted the second dielectric film is fitted, it is ensured that graphite paper termination and first
Dielectric film tapping correspondence；
The first resin colloid is attached in the first insulating film surface, small pieces profile is cut into；
Metal terminal is stamped in graphite paper end, convenient to be connected with external power source, heating film completes；
Heating film is fitted by the first resin colloid with heat sink again；
It is selectable, fitted at the heating film back side reflecting layer and heat-insulation layer；
It is selectable, temperature sensor control module is connected at graphite paper terminal, at least one is provided with graphite paper surface
Individual sheet type temperature inductor, the temperature inductor is connected by lead with temperature sensor control module.
Complete whole graphite paper composite heating plate to make, whole composite heating plate is connected on target object, completion pair
The heating of target object or the temperature lifting to whole environment.
The present invention is using graphite paper as heater, and substituted metal paper tinsel heater improves emissivity.With metals such as aluminium sheets
Plate as heat sink, while have protection heater effect, make full use of graphite paper high heating efficiency and aluminium sheet it is flexible
Property, the back side of target object is integrally placed at, the heating source of target object is used as.Simultaneously by being carried out to graphite paper at smart patterning
Reason, makes heating plate integrally generate heat uniformly, and heating temp adjustment is more precise and stable, adapts to the market demand increasingly become more meticulous.This
Invention is used as heating based on Chinese patent (201610729780.2) a kind of high-temperature electric heating membrane and preparation method thereof using graphite paper
Body, substituted metal paper tinsel heater, improves emissivity, by carrying out smart patterned process to graphite paper, heating plate is integrally sent out
Hot uniform, heating temp adjustment is more precise and stable, adapts to the market demand increasingly become more meticulous.In heating on the basis of the patent
Surface layer increases the metallic plates such as one layer of aluminium sheet, as the heat sink of calandria, while there is the effect of protection calandria, it is fully sharp
With the high heating efficiency and the pliability of aluminium sheet of graphite paper, the back side of target object is integrally placed at, the heating of target object is used as
Source.While graphite paper precise and stable heating, by the use of metallic plates such as aluminium sheets as protective substrate, reduce in the course of the work
The damage risk of heating film.
Further, the present invention is in heating back increase reflecting layer and heat-insulation layer, and reflecting layer is responsible for receiving graphite paper hair
Hotting mask support or oppose surface launching infrared ray and reflected to surface, heat-insulation layer be responsible for by overall heating board with heating back object every
Absolutely, make whole heating board can only be to positive transfer of heat.Meanwhile, temperature sensor control module, root can be further added by as needed
Temperature of heating plate is adjusted by temperature sensor control module in real time according to being actually needed.
The present invention is using graphite paper as heating layer, and manufacture craft is simple, can be fabricated to large scale heating board, and without adopting
Large scale heating board is spliced to form with small size exothermic material, the production process of large scale heating board is reduced, while adding reflection
Layer and heat-insulation layer, it is ensured that whole heating board to whole face transfer of heat, can only improve the heating efficiency of whole heating board, graphite paper hair
Thermosphere combination metallic heat radiating plate, while heating effect is ensured, the protection by metallic heat radiating plate to graphite paper heating layer, drop
The risk that low graphite paper heating layer is damaged, improves the service life of whole heating board.
The present invention is using graphite paper as heating layer, and effect is as follows：
First, the rapid uniform feature of graphite paper heating is made full use of, it is ensured that whole heating board heating is rapid and uniform,
2nd, precisely, because graphite paper sheet resistance only has 0.3 ohms, sheet resistance uniformity is only less than 1% for temperature control
Deviation, and patterned process, whole graphite paper heating layer temperature under different voltages are carried out to graphite paper by particular design
Change is obvious, therefore by regulating and controlling different voltages, whole heating board heating temp can be adjusted according to the actual requirements, meets modern production
The requirement that product are precisely controlled；
3rd, because graphite paper sheet resistance is low, therefore it can need to make various sizes of graphite paper according to realistic objective product and answer
Heating plate is closed, heating board size can be from 1mm*1mm to 500mm*500mm, and uniformity of generating heat is unaffected.
4th, relative to metal electric heating membrane, graphite paper heating film has higher emissivity and electrical conductivity, while will not be as gold
Category Electric radiant Heating Film is polluted in manufacturing process to environment like that.
Product test：
Experiment one：TCH test channel resistance for 54.9 Ω composite heating plate under room temperature (22 DEG C), under different voltages
Overall heating rate and uniformity.
Experiment two：TCH test channel resistance for 55.3 Ω composite heating plate under room temperature (22 DEG C), under different voltages
Overall heating rate and uniformity.
Figure of description
Fig. 1 is the structural representation of the heating board of embodiment 1；
Fig. 2 is the structural representation of heating film；
Fig. 3 is the structural representation of the heating board of embodiment 2；
Fig. 4 is heating film design outline figure (one)；
Fig. 5 is heating film design outline figure (two)；
Fig. 6 is graphite paper end structure schematic diagram；
Fig. 7 is graphite paper termination sheet metal schematic diagram；
Fig. 8 is the structural representation of heat sink (vertical bar line is raised)；
Fig. 9 is Fig. 8 left view；
Figure 10 is the structural representation of heat sink (inclined stripe is raised)；
Figure 11 is the schematic diagram of temperature of heating plate control device of the present invention；
Wherein, 1- heating films, 101- first surfaces, 102- second surfaces, the dielectric films of 11- second, 12- the second resin colloids
Layer, 13- graphite paper heating layers, 131- vertical bars portion, 132- bending parts, 133- cracks, the dielectric films of 14- first, the resin glues of 15- first
Body layer, 2- heat sinks, 21- is raised, 3- terminals, 4- reflecting layer, 5- heat-insulation layers, 6- metal stators, 61- openings, 7- temperature senses
Answer device, 8- temperature sensor modules, 9- leads.
Embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that preferred reality described herein
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Embodiment 1：
A kind of graphite paper composite heating plate, as shown in figure 1, including：
Heating film 1, including first surface 101 and second surface 102；
Heat sink 2, is arranged at the second surface 102 of the heating film 1；
Such as Fig. 2, the heating film 1 includes：
Second dielectric film 11,
The second resin colloid layer 12 of the second insulating film surface is arranged at,
The graphite paper heating layer 13 of the second resin colloid surface is arranged at,
The first dielectric film 14 of graphite paper heating layer surface is arranged at,
The first resin colloid layer 15 of the first insulating film surface is arranged at,
Terminal 3, the terminal 3 is connected with graphite paper heating layer 13, the both positive and negative polarity for connecting power supply；
The heat sink 2 is fit together by the first resin colloid layer 15 and heating film 1.
The graphite paper heating layer 13 is PI sintering graphites heat conducting film, native graphite heat conducting film, graphene coating graphite guide
Hotting mask, preferably PI sintering graphites heat conducting film.Black heat conducting film is referred to as conductive graphite piece by everybody again, and radiate graphite film, and graphite dissipates
Hotting mask etc..In the prior art, conduction graphite film is a kind of new heat conduction and heat radiation material, and the effect of its heat conduction and heat radiation is very
It will be evident that now have been widely used for PDP, LCD TV, Notebook PC, UMPC, Flat Panel Display, MPU,
The electronic products such as Projector, Power Supply, LED.PI sintering graphite heat conducting films refer to that PI films are high under pressure
The graphite guide hotting mask of temperature calcining graphitization formation.It is preferred that, graphite heat conducting film thickness is 20-100 μm, for example：20μm、30μm、
40 μm, 50 μm, 60 μm, 70 μm, 80 μm, 90 μm, 100 μm, etc.；Most preferably 25 μm.
The first resin colloid layer or the second resin colloid layer are transparent colloid, preferred epoxy glue
(OCA), PUR or double faced adhesive tape isocolloid, thickness is 50-200 μm.
First dielectric film or the second dielectric film are selected from the films such as PET, PEN, PC, PI, and thickness is 20-200 μm.
Embodiment 2：
The present embodiment is as further preferred embodiment, and the graphite paper composite heating plate also includes reflecting layer 4, sets
In the first surface 101 of the heating film 1, for receiving infrared ray that heating layer transmits to and reflecting back.The reflection
The surface of layer 4 is provided with heat-insulation layer 5, for graphite paper composite heating plate and back side object thermal isolation.
Embodiment 3：
The present embodiment is carried out specifically as further preferred embodiment to the pattern of graphite paper heating layer 13
It is bright.As shown in Figure 4,5, 6, the graphite paper heating layer 13 is the graphite guide hotting mask of bar shaped by end to end U-shaped pattern distribution
In on dielectric film, terminal 3 is respectively arranged on the two ends of the graphite guide hotting mask of bar shaped.The graphite of the end to end U-shaped pattern
Heat conducting film includes forming crack 133 between parallel multiple vertical bar portions 131 and multiple bending parts 132, adjacent vertical strip portion.
It is preferred that, the width in the vertical bar portion 131 is equal, and the width of each crack 133 is equal；It is further preferred that described
The width in vertical bar portion 131 is (2.5-4) with the width of crack 133：1, for example：2.5：1,2.6：1,2.7：1,2.8：1,2.9：1,
3：1,3.1：1,3.2：1,3.3：1,3.4：1,3.5：1,3.5：1,3.7：1,3.8：1,3.9：Isosorbide-5-Nitrae：1, etc.；Most preferably 3：1.
It is further preferred that the vertical bar portion 131 of the graphite guide hotting mask of the bar shaped is equal with the width of bending part 132.
It is further preferred that the final warming temperature of heating film, initial temperature, supply voltage, bar shaped graphite guide hotting mask
Total length, the width of bar shaped graphite guide hotting mask, electric heating membrane area, the square resistance of graphite guide hotting mask meet equation below：
T=kU2D/ (LSR)+t,
Wherein,
T --- initial temperature, unit for DEG C；
T --- Electric radiant Heating Film heating institute to final warming temperature, unit for DEG C；
U --- supply voltage, unit is V；
The width of the graphite guide hotting mask of D --- bar shaped, unit is cm；
The total length of the graphite guide hotting mask hair of L --- bar shaped, unit is cm；
S --- electric heating membrane area, unit is cm2；
R --- graphite guide hotting mask square resistance, unit is Ω/；
K --- constant, span is 50-400, and k spans are according to the coefficient of conductivity meeting between Electric radiant Heating Film and air
There is difference, the coefficient of conductivity between Electric radiant Heating Film and air is inversely proportional.
Preferably, the two ends of the graphite guide hotting mask of the bar shaped are adjacent, and two vertical bar portions 131 of outer most edge are connected, outermost
Edge extension of the connected bending part in two vertical bar portions of edge along dielectric film.
Perforate is provided with dielectric film, the two ends of the graphite guide hotting mask of bar shaped are distributed in tapping.
Embodiment 4：
The present embodiment is carried out detailed as further preferred embodiment to the design between graphite guide hotting mask termination and terminal
Thin explanation.As shown in Figure 6,7, metal stator 6 is increased at the terminal, stator 6 is reduced to protect graphite paper termination
Damage in process graphite paper termination, while facilitate graphite paper heating layer more preferably to be contacted with external power source, metal stator
Can be the one or more combination in the materials such as copper sheet, silver strip, steel disc, nickel sheet.The metal stator 6 is provided with opening
61, it is corresponding with the perforate on dielectric film, terminal 3 is smoothly contacted with graphite paper termination.
Embodiment 5：
The present embodiment is as further preferred embodiment, and the structure to heat sink 2 is described in detail.Such as Fig. 8,
9th, 10, the heat sink uses metal material, preferably aluminium sheet or copper coin.The thickness of the heat sink is 20-5000 μm, for example：
20μm、30μm、50μm、60μm、80μm、100μm、150μm、200μm、300μm、400μm、500μm、700μm、800μm、1000
μm, 1200 μm, 1500 μm, 2000 μm, 2500 μm, 2700 μm, 3000 μm, 3500 μm, 4000 μm, 4500 μm, 5000 μm, etc.；
It is preferred that 500-3000 μm.
Described raised vertical bar line (Fig. 8,9) or inclined stripe (Figure 10) structure of heat sink use, described raised 21, it is a kind of exist
On the premise of not changing sheet metal thickness, rat, the raised back side is then groove；This knot being recessed when projection
Close, whole radiating plate thickness is constant, can be with the significantly more efficient infrared ray for launching graphite paper to around dissipating.Wherein, it is described
The raised height of striped is 3-5mm.It is further preferred that the distance between two convex stripes are 2-4 times of convex stripe width,
It is preferred that 2.5 times.Now, radiating effect is optimal.
Embodiment 6：
The present embodiment is as further preferred embodiment, and as shown in figure 11, the heating film 1 is provided with least one temperature
Inductor 7 and temperature sensor control module 8, the temperature inductor are used for the temperature of sensing heating plate, pass through lead 9 and institute
The connection of temperature sensor control module is stated, the temperature sensor control module is connected with power supply, to control heating plate overall
Temperature.
Embodiment 7：Heat the making of picture
1) 25 microns thick graphite paper is cut into designed pattern and laminating alignment target；Image is according to heating picture
Product design Demand Design；
2) graphite paper that will be patterned into is fitted on 50 microns of thickness OCA, and the PET of 125 micron thickness is then attached again,
3) 15 microns of copper sheet is attached in graphite paper end,
4) by perforate on 100 other micron thickness PET and making alignment target；
5) the graphite paper contraposition by product 4) with having posted 125 thickness PET is fitted, it is ensured that graphite paper termination and 100
Micron PET tapping correspondences；
6) one layer of 50 micron thickness OCA is attached in 125 thickness pet sheet faces；
7) metal terminal is stamped in graphite paper end, convenient to be connected with external power source, whole heating film layer completes；
8) heating film layer is fitted by first layer OCA with 1000 micron thickness aluminium sheets again；
9) connected as needed at graphite paper terminal in heating film layer back side laminating reflecting layer and heat-insulation layer as needed
Temperature sensor control module or other fixed power sources；
10) complete whole graphite paper composite heating plate to make, whole composite heating plate is connected to the heating picture for needing to heat
On, complete to lift the heating for heating picture and the temperature of whole environment.
Embodiment 8：Heat the making of picture
1) 50 microns thick graphite paper is cut into designed pattern and laminating alignment target；Image is according to heating picture
Product design Demand Design；
2) graphite paper that will be patterned into is fitted on 50 microns thick double faced adhesive tape, and the PET of 100 micron thickness is then attached again,
3) 15 microns of nickel sheet is attached in graphite paper end,
4) by perforate on 50 other micron thickness PET and making alignment target；
5) product 4) is aligned with having posted 100 thickness PET graphite paper and fitted, it is ensured that graphite paper termination and 50 micro-
Rice PET tapping correspondences；
6) one layer of 50 micron thickness double faced adhesive tape is attached in 100 thickness pet sheet faces；
7) metal terminal is stamped in graphite paper end, convenient to be connected with external power source, whole heating film layer completes；
8) heating film layer is fitted by first layer double faced adhesive tape with 2000 micron thickness aluminium sheets again；
9) connected as needed at graphite paper terminal in heating film layer back side laminating reflecting layer and heat-insulation layer as needed
Temperature sensor control module or other fixed power sources；
10) complete whole graphite paper composite heating plate to make, whole composite heating plate is connected to the heating picture for needing to heat
On, complete to lift the heating for heating picture and the temperature of whole environment.
Embodiment 9：Heat the making of floor heating
1) 25 microns thick graphite paper is cut into designed pattern and laminating alignment target；Image is according to heating ground
Plate profile Demand Design；
2) graphite paper that will be patterned into is fitted on 50 microns thick double faced adhesive tape, and the PET of 125 micron thickness is then attached again,
3) 15 microns of corronil piece is attached in graphite paper end,
4) by perforate on 100 other micron thickness PET and making alignment target；
5) the graphite paper contraposition by product 4) with having posted 125 thickness PET is fitted, it is ensured that graphite paper termination and 100
Micron PET tapping correspondences；
6) one layer of 50 micron thickness double faced adhesive tape is attached in 125 thickness pet sheet faces；
7) metal terminal is stamped in graphite paper end, convenient to be connected with external power source, whole heating film layer completes；
8) heating film layer is fitted by first layer double faced adhesive tape with 2000 micron thickness aluminium sheets again；
9) connected as needed at graphite paper terminal in heating film layer back side laminating reflecting layer and heat-insulation layer as needed
Temperature sensor control module or other fixed power sources；
10) complete whole graphite paper composite heating plate to make, by whole composite heating plate with connecting the heating that needs are heated
Plate, completes to lift the temperature of whole environment.
Embodiment 10：Heat the making of floor heating
1) 50 microns thick graphite paper is cut into designed pattern and laminating alignment target；Image is according to heating ground
Plate profile Demand Design；
2) graphite paper that will be patterned into is fitted on 100 microns of thickness OCA, and the PET of 125 micron thickness is then attached again,
3) 15 microns of steel disc is attached in graphite paper end,
4) by perforate on 100 other micron thickness PET and making alignment target；
5) the graphite paper contraposition by product 4) with having posted 125 thickness PET is fitted, it is ensured that graphite paper termination and 100
Micron PET tapping correspondences；
6) one layer of 50 micron thickness OCA is attached in 125 thickness pet sheet faces；
7) metal terminal is stamped in graphite paper end, convenient to be connected with external power source, whole heating film layer completes；
8) heating film layer is fitted by first layer OCA with 1000 micron thickness aluminium sheets again；
9) connected as needed at graphite paper terminal in heating film layer back side laminating reflecting layer and heat-insulation layer as needed
Temperature sensor control module or other fixed power sources；
10) complete whole graphite paper composite heating plate to make, whole composite heating plate is connected to the floor for needing to heat, it is complete
The temperature lifting of whole environment in pairs.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic.All essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. a kind of graphite paper composite heating plate, it is characterised in that：Including：
Heating film, including first surface and second surface；
Heat sink, is arranged at the second surface of the heating film；
The heating film includes：
Second dielectric film,
The second resin colloid layer of the second insulating film surface is arranged at,
The graphite paper heating layer of the second resin colloid surface is arranged at,
The first dielectric film of graphite paper heating layer surface is arranged at,
The first resin colloid layer of the first insulating film surface is arranged at,
Terminal, the terminal is connected with graphite paper heating layer, the both positive and negative polarity for the power supply of connection；
The heat sink is fit together by the first resin colloid layer with heating film；
Preferably, the heating plate is provided with least one temperature inductor and temperature sensor control module, the temperature sense
Device is used for the temperature of sensing heating plate, is connected by lead with the temperature sensor control module, the temperature sensor control
Molding block is connected with power supply, to control heating plate bulk temperature.
2. graphite paper composite heating plate according to claim 1, it is characterised in that：The graphite paper heating layer is that PI burns
Calculus ink heat conducting film；It is preferred that, graphite heat conducting film thickness is 20-100 μm, optimal 25 μm.
3. graphite paper composite heating plate according to claim 1, it is characterised in that：The graphite paper heating layer is bar shaped
Graphite guide hotting mask is distributed on dielectric film by end to end U-shaped pattern, and terminal is respectively arranged on the two of the graphite guide hotting mask of bar shaped
Termination.
4. graphite paper composite heating plate according to claim 3, it is characterised in that：The end to end U-shaped pattern
Graphite guide hotting mask includes parallel multiple vertical bar portions and multiple bending parts, and adjacent vertical strip forms crack between portion；It is preferred that, it is described
The width in vertical bar portion is equal, and the width of each crack is equal；Preferably, the width of the width in the vertical bar portion and crack is (2.5-
4)：1, preferably 3：1.
5. graphite paper composite heating plate according to claim 4, it is characterised in that：The graphite guide hotting mask of the bar shaped it is perpendicular
Bar portion is equal with the width of bending part, it is preferred that the final warming temperature of heating film, initial temperature, supply voltage, bar shaped stone
Total length, the width of bar shaped graphite guide hotting mask, electric heating membrane area, the square resistance of graphite guide hotting mask of black heat conducting film meet as follows
Formula：
T=kU2D/ (LSR)+t,
Wherein,
T --- initial temperature, unit for DEG C；
T --- Electric radiant Heating Film heating institute to final warming temperature, unit for DEG C；
U --- supply voltage, unit is V；
The width of the graphite guide hotting mask of D --- bar shaped, unit is cm；
The total length of the graphite guide hotting mask hair of L --- bar shaped, unit is cm；
S --- electric heating membrane area, unit is cm2；
R --- graphite guide hotting mask square resistance, unit is Ω/；
K --- constant, span is 50-400, and k spans have not according to the coefficient of conductivity between Electric radiant Heating Film and air
Together, the coefficient of conductivity between Electric radiant Heating Film and air is inversely proportional.
6. graphite paper composite heating plate according to claim 4, it is characterised in that：The two of the graphite guide hotting mask of the bar shaped
Termination is adjacent, and two vertical bar portions of outer most edge are connected, it is preferred that side of the connected bending part in two vertical bar portions of outer most edge along dielectric film
Edge extends；
It is further preferred that being provided with perforate on dielectric film, the two ends of the graphite guide hotting mask of bar shaped are distributed in tapping.
7. graphite paper composite heating plate according to claim 1, it is characterised in that：The heat sink uses metal material,
It is preferred that aluminium sheet or copper coin；The thickness of the heat sink is 20-5000 μm, preferably 500-3000 μm；
It is further preferred that the heat sink is using raised vertical bar line or inclined stripe structure, the projection, it is that one kind is not changing
On the premise of sheet metal thickness, rat, the raised back side is then groove；Wherein, the raised height of the striped is 3-5mm；
It is further preferred that the distance between two convex stripes are 2-4 times of convex stripe width, preferably 2.5 times.
8. graphite paper composite heating plate according to claim 1, it is characterised in that：The first resin colloid layer or described
Second resin colloid layer is transparent colloid, preferred epoxy glue (OCA), PUR or double faced adhesive tape isocolloid, and thickness is
50-200μm；
And/or, first dielectric film or the second dielectric film are selected from the films such as PET, PEN, PC, PI, and thickness is 20-200 μm.
9. graphite paper composite heating plate according to claim 1, it is characterised in that：The graphite paper composite heating plate is also wrapped
Reflecting layer is included, the first surface of the heating film is arranged at, for receiving infrared ray that heating layer transmits to and reflecting back；
Preferably, the surface in the reflecting layer is provided with heat-insulation layer, for completely cutting off graphite paper composite heating plate and back side object heat
Isolation；
Preferably, metal stator is increased at the terminal, stator is reduced in process stone to protect graphite paper termination
The damage of black paper termination, while facilitating graphite paper heating layer more preferably to be contacted with external power source, metal stator can be copper sheet, silver
One or more combination in the materials such as piece, steel disc, nickel sheet.
10. a kind of preparation method of graphite paper composite heating plate, it is characterised in that：Comprise the following steps：
Graphite paper is cut into designed pattern and alignment target；
The graphite paper that will be patterned into is fitted on the second resin colloid, and the second dielectric film is then attached again；
Metal stator is attached in graphite paper end；
By the first dielectric film perforate and making alignment target；
Graphite paper contraposition by the first dielectric film with having posted the second dielectric film is fitted, it is ensured that graphite paper termination and the first insulation
Film tapping correspondence；
The first resin colloid is attached in the first insulating film surface, small pieces profile is cut into；
Metal terminal is stamped in graphite paper end, convenient to be connected with external power source, heating film completes；
Heating film is fitted by the first resin colloid with heat sink again；
It is selectable, fitted at the heating film back side reflecting layer and heat-insulation layer；
It is selectable, temperature sensor control module is connected at graphite paper terminal, it is thin provided with least one on graphite paper surface
Chip temperature inductor, the temperature inductor is connected by lead with temperature sensor control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710412900.0A CN107241820A (en) | 2017-06-05 | 2017-06-05 | A kind of graphite paper composite heating plate and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710412900.0A CN107241820A (en) | 2017-06-05 | 2017-06-05 | A kind of graphite paper composite heating plate and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107241820A true CN107241820A (en) | 2017-10-10 |
Family
ID=59984838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710412900.0A Pending CN107241820A (en) | 2017-06-05 | 2017-06-05 | A kind of graphite paper composite heating plate and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107241820A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108211140A (en) * | 2018-02-24 | 2018-06-29 | 武汉大学 | Graphene electrical heating radiation therapeutical bed |
| CN108383571A (en) * | 2018-04-19 | 2018-08-10 | 青岛吉曼新能源技术有限公司 | A kind of straw directly returning to field device and method |
| TWI633805B (en) * | 2017-10-26 | 2018-08-21 | 財團法人工業技術研究院 | Heating film structure |
| CN109587844A (en) * | 2018-11-27 | 2019-04-05 | 单县多米石墨烯科技有限公司 | A kind of graphene exothermic material electric hot plate |
| CN110425810A (en) * | 2019-07-30 | 2019-11-08 | 江苏玉兰新材料科技有限公司 | A kind of partition heating device and its refrigerator |
| CN111050430A (en) * | 2018-10-12 | 2020-04-21 | 王伯文 | Heating device based on graphene composite membrane, heating plaster and application |
| WO2022007433A1 (en) * | 2020-07-09 | 2022-01-13 | 碳元科技股份有限公司 | Graphite sheet for far-infrared heating and preparation method therefor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204645524U (en) * | 2015-05-30 | 2015-09-16 | 王瑞平 | A kind of graphite paper-aluminium sheet composite heat-conducting floor |
| CN204993907U (en) * | 2015-09-08 | 2016-01-20 | 无锡市康乐电热科技有限公司 | Heater |
| CN205818781U (en) * | 2016-04-27 | 2016-12-21 | 深圳烯旺新材料科技股份有限公司 | A kind of infrared electric heating is drawn |
| CN106304428A (en) * | 2016-08-25 | 2017-01-04 | 无锡格菲电子薄膜科技有限公司 | A kind of high-temperature electric heating membrane and preparation method thereof |
| CN106793198A (en) * | 2017-01-05 | 2017-05-31 | 梁宇 | A kind of electric heating tape based on Graphene technology |
-
2017
- 2017-06-05 CN CN201710412900.0A patent/CN107241820A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204645524U (en) * | 2015-05-30 | 2015-09-16 | 王瑞平 | A kind of graphite paper-aluminium sheet composite heat-conducting floor |
| CN204993907U (en) * | 2015-09-08 | 2016-01-20 | 无锡市康乐电热科技有限公司 | Heater |
| CN205818781U (en) * | 2016-04-27 | 2016-12-21 | 深圳烯旺新材料科技股份有限公司 | A kind of infrared electric heating is drawn |
| CN106304428A (en) * | 2016-08-25 | 2017-01-04 | 无锡格菲电子薄膜科技有限公司 | A kind of high-temperature electric heating membrane and preparation method thereof |
| CN106793198A (en) * | 2017-01-05 | 2017-05-31 | 梁宇 | A kind of electric heating tape based on Graphene technology |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI633805B (en) * | 2017-10-26 | 2018-08-21 | 財團法人工業技術研究院 | Heating film structure |
| CN109714838A (en) * | 2017-10-26 | 2019-05-03 | 财团法人工业技术研究院 | Heat chip architecture |
| CN109714838B (en) * | 2017-10-26 | 2021-08-10 | 财团法人工业技术研究院 | Heating plate structure |
| CN108211140A (en) * | 2018-02-24 | 2018-06-29 | 武汉大学 | Graphene electrical heating radiation therapeutical bed |
| CN108383571A (en) * | 2018-04-19 | 2018-08-10 | 青岛吉曼新能源技术有限公司 | A kind of straw directly returning to field device and method |
| CN111050430A (en) * | 2018-10-12 | 2020-04-21 | 王伯文 | Heating device based on graphene composite membrane, heating plaster and application |
| CN109587844A (en) * | 2018-11-27 | 2019-04-05 | 单县多米石墨烯科技有限公司 | A kind of graphene exothermic material electric hot plate |
| CN110425810A (en) * | 2019-07-30 | 2019-11-08 | 江苏玉兰新材料科技有限公司 | A kind of partition heating device and its refrigerator |
| WO2022007433A1 (en) * | 2020-07-09 | 2022-01-13 | 碳元科技股份有限公司 | Graphite sheet for far-infrared heating and preparation method therefor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107241820A (en) | A kind of graphite paper composite heating plate and preparation method thereof | |
| CN106304428B (en) | A kind of high-temperature electric heating membrane and preparation method thereof | |
| JP5021842B2 (en) | Heating element and method for manufacturing the same | |
| KR101622887B1 (en) | Heating element and method for preparing the same | |
| JP2011515809A (en) | Heating element and method for manufacturing the same | |
| JP5330546B2 (en) | Heating element and method for manufacturing the same | |
| KR20160061944A (en) | Heating element and method for fabricating the same | |
| JP2012134163A (en) | Heating element and method for manufacturing the same | |
| CN106366971A (en) | High-heat-conductivity double-sided adhesive tape | |
| CN202143232U (en) | High-efficient carbon crystal heating sheet of firewall floor heating system | |
| WO2017107468A1 (en) | Flexible adhesive nanometre electro-thermal heating film | |
| CN202501430U (en) | LED (Light-Emitting Diode) heat radiation device, backlight module and liquid crystal device | |
| CN103031081A (en) | Shading thermal diffusion film | |
| CN102548064A (en) | Electric heating piece, electric heating device and equipment | |
| CN209462633U (en) | A kind of heating pad pasting | |
| CN203968557U (en) | High conductive graphite film | |
| KR20100061400A (en) | Partially-heating element | |
| CN203968561U (en) | A kind of heat abstractor and electronic equipment | |
| CN201937855U (en) | Electric heating plate, electric heating apparatus and device | |
| CN107071944A (en) | A kind of electrical heating face equipment and preparation method thereof | |
| CN209462629U (en) | A kind of graphite Electric radiant Heating Film with anti-aging function | |
| KR102183685B1 (en) | Suface heating passage and method and apparatus for manufacturing the same | |
| CN103247237B (en) | Efficient LED efficiency conversion display glass screen and method for making | |
| JP2014229604A (en) | Foldable heat radiation composite and backlight unit including the same | |
| CN104441830A (en) | Heat conduction film structure of electronic product |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190325 Address after: No. 518-5 Zhonghui Road, Standard Factory Building of Chang'an Industrial Park, Huishan Economic Development Zone, Wuxi City, Jiangsu Province, 214000 Applicant after: Wuxi Gefei Electronic Film Technology Co.,Ltd. Applicant after: Wuxi Sixth Element Electronic Film Technology Co., Ltd. Address before: No. 518-5 Zhonghui Road, Standard Factory Building of Chang'an Industrial Park, Huishan Economic Development Zone, Wuxi City, Jiangsu Province, 214000 Applicant before: Wuxi Gefei Electronic Film Technology Co.,Ltd. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171010 |