CN110051043A - Heating sheet and preparation method thereof and system and electronic cigarette - Google Patents
Heating sheet and preparation method thereof and system and electronic cigarette Download PDFInfo
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- CN110051043A CN110051043A CN201910039945.7A CN201910039945A CN110051043A CN 110051043 A CN110051043 A CN 110051043A CN 201910039945 A CN201910039945 A CN 201910039945A CN 110051043 A CN110051043 A CN 110051043A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 218
- 238000002360 preparation method Methods 0.000 title claims abstract description 39
- 239000003571 electronic cigarette Substances 0.000 title claims abstract description 23
- 238000005245 sintering Methods 0.000 claims abstract description 89
- 238000000034 method Methods 0.000 claims abstract description 66
- 230000008569 process Effects 0.000 claims abstract description 47
- 238000007639 printing Methods 0.000 claims abstract description 44
- 238000005520 cutting process Methods 0.000 claims abstract description 33
- 238000000465 moulding Methods 0.000 claims abstract description 21
- 238000000462 isostatic pressing Methods 0.000 claims abstract description 17
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 53
- 239000002002 slurry Substances 0.000 claims description 40
- 230000003068 static effect Effects 0.000 claims description 29
- 229910052697 platinum Inorganic materials 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 25
- 238000005476 soldering Methods 0.000 claims description 24
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 21
- JXSUUUWRUITOQZ-UHFFFAOYSA-N oxygen(2-);yttrium(3+);zirconium(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Y+3].[Y+3].[Zr+4].[Zr+4] JXSUUUWRUITOQZ-UHFFFAOYSA-N 0.000 claims description 20
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 16
- 238000010345 tape casting Methods 0.000 claims description 12
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 11
- 229910052709 silver Inorganic materials 0.000 claims description 11
- 239000004332 silver Substances 0.000 claims description 11
- 238000000137 annealing Methods 0.000 claims description 9
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 claims description 8
- 238000003698 laser cutting Methods 0.000 claims description 6
- 238000010304 firing Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 206010020843 Hyperthermia Diseases 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 230000036031 hyperthermia Effects 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 24
- 238000003854 Surface Print Methods 0.000 abstract description 6
- 238000005452 bending Methods 0.000 description 22
- 206010037660 Pyrexia Diseases 0.000 description 17
- 238000004519 manufacturing process Methods 0.000 description 15
- 238000010344 co-firing Methods 0.000 description 14
- 239000000843 powder Substances 0.000 description 10
- 238000012545 processing Methods 0.000 description 10
- 239000000758 substrate Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- 229910052573 porcelain Inorganic materials 0.000 description 8
- 241000208125 Nicotiana Species 0.000 description 7
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 7
- 238000001035 drying Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 229910052727 yttrium Inorganic materials 0.000 description 6
- 239000004615 ingredient Substances 0.000 description 5
- 238000010422 painting Methods 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- 230000000391 smoking effect Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 239000012752 auxiliary agent Substances 0.000 description 4
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(iii) oxide Chemical compound O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Chemical compound O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- APUGIHICMSAKGR-UHFFFAOYSA-N [Y]=O Chemical compound [Y]=O APUGIHICMSAKGR-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
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- 230000000996 additive effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000002518 antifoaming agent Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
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- 238000009766 low-temperature sintering Methods 0.000 description 2
- 231100000572 poisoning Toxicity 0.000 description 2
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- 238000007665 sagging Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
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- 239000007787 solid Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005491 wire drawing Methods 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical class CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
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- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Classifications
-
- A24F47/008—
Landscapes
- Resistance Heating (AREA)
Abstract
The invention discloses a kind of heating sheet and preparation method thereof and system and electronic cigarettes, this method comprises: green compact are carried out forming processes by (1), to obtain the first green compact；(2) insulating layer is printed in molding green surface, to obtain the second green compact；(3) in the second green surface, from left to right successively printing contacts electrode, lead electrode and heating electrode, to obtain third green compact；(4) third green compact are successively carried out to isostatic pressing, cutting process and cofiring forming processes, to obtain sintering feed；(5) the lead electrode of sintering feed and heating electrode surface print glaze layer, it is thermally treated and contact electrode far from one end bonding wire of lead electrode after obtain heating sheet.This method need to only carry out a cofiring and once be heat-treated the preparation that heating sheet can be completed, and be effectively simplified preparation process；And cofiring is to carry out after dicing, eliminates because laser thermal effect causes heating sheet to generate the influence of micro-crack, enhances the flexural strength of heating sheet.
Description
Technical field
The invention belongs to electronic cigarette fields, specifically, the present invention relates to heating sheet and preparation method thereof and systems and electricity
Sub- cigarette.
Background technique
Rapid growth momentum is presented in electronic cigarette recent years, and smoking mode quietly changes with young man, out
Traditional combustion-type smoking mode is showed to be atomized with existing tobacco tar, heat incombustible smoking mode and deposit, and has selected below
The crowd of two kinds of novel smoking modes is more and more huger.It is had been developed as in areas, electronic cigarettes such as America and Europe, Japan, South Korea
The great market of one 10,000,000,000 dollars of rank, and still show the situation of blowout.
Electronic cigarette type on the market mainly includes two kinds now, a kind of to be atomized the type for generating simulation smoke for tobacco tar
(hereinafter referred to as " Atmized electronic cigarrette ") mainly uses atomizer that tobacco tar heating atomization is generated smog, compares with representative
Brand is RELX, Gippro etc., and the core technology of the type electronic cigarette is designing and manufacturing for atomizer, tobacco tar it is main at
Divide includes edible glycerine, propylene glycol, the ingredients such as nicotine salt, edible essence；Another kind be low-temperature heat not incendiary type (with
Lower abbreviation " HNB "), comparing with the brand represented is IQOS.HNB sorts of electronic cigarette carries out heating production to cigarette egg by heating sheet
Raw smog, simulates the smoking mode of traditional tobacco completely, and the core technology of the type is the design and manufacture of heating sheet.
HNB electronic cigarette heating sheet on the market is obtained by heating electrode approach in printing on substrates now.Its
In, substrate is mainly YSZ, Al2O3Equal ceramic substrates, heating electrode material use Pt electrode, Ag/Pd electrode, Ag electrode more.System
Standby technique is repeatedly sintering, for the first time by ceramic substrate sinter molding, then according to heating sheet specification, will be produced using laser scribing
Product hemisection；Second of sintering bottom surface glaze；Third time sintering heating electrode, lead electrode；4th sintered surface glaze and weldering
Disk；Product more than are broken into two with one's hands again after the completion of sintering, lead is respectively welded.
It can be seen that existing heating sheet from existing preparation process to need by repeatedly sintering.Due to heating electrode
Resistance has very big correlation with sintering schedule, and the control that this will lead to process is extremely complex, the consistency of product it is difficult to ensure that.
The reason of additionally, due to zirconia material itself, carrying out laser scribing for the substrate sintered will lead to material due to fuel factor
Micro-crack is generated, the flexural strength of material itself is influenced.
Therefore, the preparation process of existing heating sheet is further improved.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to propose a kind of heating sheet and preparation method thereof and system and electronic cigarette.This method need to only carry out a cofiring one
It is secondary to be heat-treated the preparation that heating sheet can be completed, it is effectively simplified preparation process；And cofiring is to carry out after dicing, is eliminated
Because laser thermal effect causes heating sheet to generate the influence of micro-crack, the flexural strength of heating sheet is enhanced.
In one aspect of the invention, the invention proposes a kind of preparation method of heating sheet, implementations according to the present invention
Example, this method comprises:
(1) green compact are subjected to forming processes, to obtain the first green compact；
(2) insulating layer is printed in the molding green surface, to obtain the second green compact；
(3) in second green surface, from left to right successively printing contacts electrode, lead electrode and heating electrode, so as to
Obtain third green compact；
(4) the third green compact are successively subjected to isostatic pressing, cutting process and cofiring forming processes, to be burnt
Ramming material；
(5) print glaze layer in the lead electrode of the sintering feed and the heating electrode surface, it is thermally treated and
The contact electrode is far from obtaining heating sheet after one end bonding wire of the lead electrode.
The preparation method of heating sheet according to an embodiment of the present invention can avoid green compact at high temperature by printing insulating layer
Ionic conductance is generated, that is, avoids the occurrence of the phenomenon of electrode open circuit；Printing heating electrode can realize calorific value by the control of resistance value
Control, and then realize product fever；Lead electrode resistance is extremely low, can be powered for heating electrode；Contact electrode and external electrical
The contact resistance of pole is extremely low, for realizing the connection of external electrode and lead electrode；By printing surface glaze layer, heating can be protected
Electrode and lead electrode, avoiding electrode from contacting external substance during fever causes electrode to be poisoned and resistance value deterioration.Entire work
Only need to carry out a cofiring is once heat-treated the preparation that heating sheet can be completed during skill, is effectively simplified preparation process, contracts
The short manufacturing cycle of heating sheet；And cofiring is to carry out after dicing, is eliminated because laser thermal effect causes heating sheet to generate
The influence of micro-crack improves the reliability of product, enhances the flexural strength of heating sheet；Meanwhile co-firing process is conducive to mention
Binding force between high green compact and electrode promotes properties of product.
In addition, the preparation method of heating sheet according to the above embodiment of the present invention can also have following additional technology special
Sign:
In some embodiments of the invention, in step (1), the green compact include that yttria levels are 2-4wt%'s
Mix yttrium zirconium oxide or alumina content be 2-20wt% mix yttrium zirconium oxide, in Zirconia reinforced alumina ceramic at least it
One.It is advantageously implemented the preparation of heating sheet as a result,.
In some embodiments of the invention, in step (1), the molding mode of the green compact is tape casting.As a result,
Be conducive to be promoted the performance of green compact.
In some embodiments of the invention, in step (2), the material of the insulating layer is aluminium oxide.It can keep away as a result,
Exempt from green compact and generates ionic conductance, guard electrode layer at high temperature.
In some embodiments of the invention, in step (3), it is 0~20m Ω/ that the contact electrode, which is sheet resistance,
First platinum slurry.Thus, it can be achieved that the connection of external electrode and lead electrode
In some embodiments of the invention, in step (3), the lead electrode is that sheet resistance is 0~30m Ω/
Second platinum slurry.It can be powered as a result, for heating electrode.
In some embodiments of the invention, in step (3), it is 10~150m Ω/ that the heating electrode, which is sheet resistance,
Third platinum slurry.The control of calorific value can be realized by the control of resistance value as a result, and then realizes the fever of product.
In some embodiments of the invention, in step (3), the contact electrode zone and the lead electrode area
Domain, the area ratio for heating electrode zone are 1-1.5:3-1:2-5.
The heating property of heating sheet can be promoted as a result,.
In some embodiments of the invention, in step (4), the temperature of the isostatic pressing is 60-80 degrees Celsius,
Pressure is 25-200MPa, time 10-120min.The consistency of heating sheet can be promoted as a result, and then improves the production of heating sheet
Moral character energy.
In some embodiments of the invention, in step (4), the cutting process is laser cutting or mechanical punching
It cuts.
In some embodiments of the invention, in step (4), the temperature of the cofiring forming processes is 1350-1550
Degree Celsius, time 30-240min.The binding force between green compact and electrode can be promoted as a result, promote properties of product.
In some embodiments of the invention, in step (5), the temperature of the heat treatment is 800-1000 degrees Celsius,
Time is 5-15min.The performance of heating sheet can be further promoted as a result,.
In some embodiments of the invention, in step (5), it is described contact electrode far from the lead electrode one
Holding welded line is silver soldering or soldering.
In another aspect of the invention, the invention proposes a kind of heating sheets, according to an embodiment of the invention, the heating
Piece is prepared using the preparation method of above-mentioned heating sheet.The heating sheet is eliminated because laser thermal effect causes to add as a result,
Backing generates the influence of micro-crack, and the reliability of product is higher, and flexural strength significantly increases；Meanwhile between green compact and electrode
Binding force is high, and properties of product are preferable.
In an additional aspect of the present invention, the invention proposes a kind of electronic cigarettes, according to an embodiment of the invention, the electronics
Cigarette is the electronic cigarette for including above-mentioned heating sheet.There is the electronic cigarette a kind of non-microcracked, flexural strength significantly to increase as a result, together
When the green compact and high heating sheet of electrode binding force so that the service life of electronic cigarette significantly improves, meanwhile, which can also change
Use feeling of the kind user to electronic cigarette.
In an additional aspect of the present invention, what it is the invention proposes a kind of preparation method suitable for above-mentioned heating sheet is
System, according to an embodiment of the invention, the system includes:
There is green compact entrance and the first green compact to export for molding machine, the molding machine；
Printing equipment, the printing equipment have the first web plate, the second web plate, third web plate, the 4th web plate, the 5th net
Plate, the first green compact entrance, sintering feed entrance, third green compact outlet and sintering feed containing glaze layer outlet, the first green compact entrance and
The first green compact outlet is connected；
Isopressing device, the isopressing device have third green compact entrance and green compact after static pressure are waited to export, the third
Green compact entrance is connected with third green compact outlet；
Cutter device, the cutter device is exported with green compact after green compact entrance after equal static pressure and cutting, described to wait static pressure
Green compact entrance is connected with green compact outlet after the equal static pressure afterwards；
Cofiring device, the cofiring device have green compact entrance and sintering feed outlet after cutting, and green compact enter after the cutting
Mouth is connected with green compact outlet after the cutting, and the sintering feed outlet is connected with the sintering feed entrance；
There is sintering feed after the entrance of sintering feed containing glaze layer and heat treatment to export for annealing device, the annealing device, institute
The entrance of sintering feed containing glaze layer is stated to be connected with the sintering feed containing glaze layer outlet；
Wire-soldering device, the wire-soldering device has sintering feed entrance and heating sheet outlet after heat treatment, after the heat treatment
Sintering feed entrance is connected with sintering feed outlet after the heat treatment.
The preparation system of heating sheet according to an embodiment of the present invention can avoid green compact at high temperature by printing insulating layer
Ionic conductance is generated, that is, avoids the occurrence of the phenomenon of electrode open circuit；Printing heating electrode can realize calorific value by the control of resistance value
Control, and then realize product fever；Lead electrode resistance is extremely low, can be powered for heating electrode；Contact electrode and external electrical
The contact resistance of pole is extremely low, for realizing the connection of external electrode and lead electrode；By printing surface glaze layer, heating can be protected
Electrode and lead electrode, avoiding electrode from contacting external substance during fever causes electrode to be poisoned and resistance value deterioration.Entire work
Only need to carry out a cofiring is once heat-treated the preparation that heating sheet can be completed during skill, is effectively simplified preparation process, contracts
The short manufacturing cycle of heating sheet；And cofiring is to carry out after dicing, is eliminated because laser thermal effect causes heating sheet to generate
The influence of micro-crack improves the reliability of product, enhances the flexural strength of heating sheet；Meanwhile co-firing process is conducive to mention
Binding force between high green compact and electrode promotes properties of product.
In addition, the preparation system of heating sheet according to the above embodiment of the present invention can also have following additional technology special
Sign:
In some embodiments of the invention, the molding machine is tape casting machine.Be conducive to promote the first life as a result,
The performance of base.
In some embodiments of the invention, the printing equipment is screen process press, is conducive to promote heating sheet as a result,
Printing efficiency and printing effect, and then promoted product performance.
In some embodiments of the invention, the isopressing device is warm isostatic pressing machine, and it is quiet to be conducive to raising etc. as a result,
The efficiency and effect of processing are pressed, and then promotes the performance of product.
In some embodiments of the invention, the cutter device is that laser cutting machine or mechanical bicker are advantageous as a result,
In the efficiency and effect that promote cutting, and then promote the performance of product.
In some embodiments of the invention, the cofiring device be high temperature box furnace or hyperthermia tunnel Kiln, as a result, favorably
In the efficiency and effect that improve cofiring.
In some embodiments of the invention, the annealing device is silver ink firing meshbeltfurnace, is conducive to improve hot place as a result,
The efficiency and effect of reason, and then promote the performance of product.
In some embodiments of the invention, the wire-soldering device is crest welder, is conducive to the effect for improving bonding wire as a result,
Rate and effect, and then promote the performance of product.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the preparation method flow diagram of heating sheet according to an embodiment of the invention；
Fig. 2 is the Structure explosion diagram of heating sheet according to an embodiment of the invention；
Fig. 3 is the system structure diagram of the preparation method according to an embodiment of the invention suitable for heating sheet.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In one aspect of the invention, the invention proposes a kind of preparation method of heating sheet, implementations according to the present invention
Example, with reference to Fig. 1, this method comprises:
S100: green compact are subjected to forming processes
In the step, green compact are subjected to forming processes, to obtain the first green compact.Inventors have found that by by green compact into
The consistency of green compact can be improved in row forming processes, can be subsequent work after forming because subsequent technique is carried out on green compact
The implementation of skill provides safeguard, and then promotes the properties of product of gained heating sheet.
According to one embodiment of present invention, green compact may include yttria levels be 2-4wt% mix yttrium zirconium oxide or
Alumina content mixes at least one of yttrium zirconium oxide, Zirconia reinforced alumina ceramic for 2-20wt%'s.It needs to illustrate
Be, in green compact except comprising yttria levels be 2-4wt% mix yttrium zirconium oxide or alumina content is that 2-20wt% mixes yttrium oxygen
Change except at least one of zirconium, Zirconia reinforced alumina ceramic, the concrete content of other specific ingredients and each ingredient is not
It is particularly limited, those skilled in the art can select according to actual needs.It is aoxidized in yttrium zirconium oxide inventors have found that mixing
Yttrium content is too low, and to would potentially result in mixing the Zirconia-stabilized property of yttrium poor, makes to mix yttrium zirconium oxide that tetragonal phase easily turns in use
Become monoclinic phase and generate aging, and then causes to mix yttrium zirconium oxide fragmentation；And if it is excessively high to mix yttria levels in yttrium zirconium oxide,
The intensity for mixing yttrium zirconium oxide itself can be reduced, causes to generate part due to the effect of external force in use.
Still another embodiment in accordance with the present invention, the molding mode of green compact can be tape casting.Inventors have found that using
The resulting first green compact each section undulating composition of tape casting is small, and performance is uniform and stablizes, and fracture toughness is good, and uses and be cast into
Type high production efficiency can operate continuously.
S200: insulating layer is printed in molding green surface
In the step, insulating layer is printed in molding green surface, to obtain the second green compact.Inventors have found that by
It forms green surface and prints insulating layer, can avoid green compact and generate ionic conductance at high temperature, that is, avoid the occurrence of showing for electrode open circuit
As.It should be noted that the thickness of printed insulating layer is not particularly restricted, those skilled in the art can be according to reality
It is selected.
According to one embodiment of present invention, the predominantly alumina powder in insulating layer.Inventors have found that alumina powder
Body belongs to inorganic non-metallic powder, has biggish specific surface area (15m2/ g or more), due to needing low-temperature sintering, partial size is needed
To make its D by repeatedly processing50Reach 200nm or so.And this powder is easily reunited during with slurry, this requires
A variety of auxiliary agents are added in the preparation process of insulating layer slurry, to solve the various situations that insulating layer slurry is likely to occur.And it is specific
Assistant types those skilled in the art can select according to actual needs, such as can pass through addition dispersing agent increase powder
The dispersibility of body；Addition defoaming agent eliminates the bubble generated in printing process；Antiprecipitant is added to reduce insulating layer slurry
Precipitability；It adds levelling agent and increases the mobility of insulating layer slurry, and be conducive to eliminate the reticulate pattern in subsequent print run；Addition
Resin carrier guarantees the adhesion and wire drawing characteristic of insulating layer slurry；Various solvents are added, guarantee the mobility of insulating layer slurry
And promote resin, the dissolution of auxiliary agent etc..Further, it can be carried out at cofiring together in subsequent handling because of green compact with insulating layer
Reason, green compact and insulating layer need sintering temperature having the same, identical sintering shrinkage, so that the two is in co-firing process mistake
Occur significantly interpenetrating in journey, the contact surface of the two is combined closely, and is not layered.And to reach above-mentioned purpose, if
The sintering temperature of insulating layer and the sintering temperature of green compact are different, then need to add sintering aid in a insulating layer.Such as it can add
CuO、TiO2、B2O3、SiO2、Nb2O5、ZnO、Bi2O3、MgO、Sn2O3, at least one of oxides such as CaO；Meanwhile by excellent
Additive content, solid content, viscosity, the glue content of type and insulating layer slurry in change insulating layer etc., may make the two to have
Identical sintering shrinkage.
S300: in the second green surface, from left to right successively printing contacts electrode, lead electrode and heating electrode
In the second green surface in the step, i.e., from left to right successively printing contact is electric for the surface of insulating layer of the second green compact
Pole, lead electrode and heating electrode, to obtain third green compact.Inventors have found that printed electrode layer by face on the insulating layer,
It can avoid the green compact under insulating layer and interfere electrode, the performance of the final gained heating sheet of impression.Specifically, printing heating electrode, it can
The control of calorific value is realized by the control of resistance value, and then realizes the fever of product；Lead electrode resistance is extremely low, can be heating electricity
Pole is powered；The contact resistance for contacting electrode and external electrode is extremely low, for realizing the connection of external electrode and lead electrode.Pass through
Conversion galley can be realized prints out contact electrode, lead electrode and heating electrode on the insulating layer.Contact electrode main function
It is to make heating sheet and external circuit connection, with low contact resistance, contacts electrode in use regardless of positive and negative anodes, by rear
Continuous client, which assembles, determines positive and negative anodes；Lead electrode main function is connection contact electrode and heating electrode, is equally had low
Resistance, it is the calorific value reduced in use process that both of the above, which has low-resistance purpose,；And adding thermal resistance is with relatively high
Resistance primarily serves the effect of fever in use.It contacts between electrode and lead electrode, lead electrode and heating electrode
It is all to be connected by concatenated mode.
According to one embodiment of present invention, the material of electrode can be platinum.Specifically, contact electrode can be side
Resistance is the first platinum slurry of 0~20m Ω/, may make that it is extremely low with the contact resistance of external electrode as a result, and then is realized
The connection of external electrode and lead electrode；Lead electrode can be the second platinum slurry that sheet resistance is 0~30m Ω/, as a result,
It may make that it is suitable for the energization of heating electrode and energy consumption is lower；Heating electrode can be the third that sheet resistance is 10~150m Ω/
Platinum slurry, can realize the control of calorific value by the control of resistance value as a result, and then realize the fever of product.
Still another embodiment in accordance with the present invention, contact electrode zone and lead electrode region, the face for heating electrode zone
Product ratio is not particularly restricted, and those skilled in the art can select according to actual needs, such as can be 1-1.5:3-
For 1:2-5 inventors have found that if heating electrode region areas is too small, it is inadequate to will lead to calorific value in use, and tobacco utilizes
Rate is lower；And if heat that electrode region areas is excessive, the temperature that will lead at contact electrode in use is very high, and external
Lead and contact electrode are by being welded to connect, and the excessively high temperature of contact electrode will affect the reliability of solder joint.
S400: third green compact are successively carried out to isostatic pressing, cutting process and cofiring forming processes
In the step, third green compact are successively carried out to isostatic pressing, cutting process and cofiring forming processes, to obtain
Sintering feed.Inventors have found that the consistency of third green compact can be increased by the way that third green compact are carried out isostatic pressing, the is improved
The properties of product of three green compact, and then the properties of product of subsequent gained heating sheet can be promoted.It is cut and is total to again after equal static pressure
Burning processing, and before cutting is placed on cofiring, the influence for causing heating sheet to generate micro-crack because of laser thermal effect is eliminated, is promoted
The reliability of product, enhances the flexural strength of heating sheet；Meanwhile co-firing process is conducive to improve between green compact and electrode
Binding force promotes properties of product.
According to one embodiment of present invention, the condition of isostatic pressing is not particularly restricted, those skilled in the art
It can be selected according to actual needs, such as the temperature of equal static pressure can be 60-80 degrees Celsius, pressure can be 25-
200MPa, time can be 10-120min.Inventors have found that may make resulting etc. quiet under the conditions of above-mentioned isostatic pressing
Green compact have preferable consistency after pressure, while production efficiency is preferable.
The concrete mode of still another embodiment in accordance with the present invention, cutting process is not particularly restricted, art technology
Personnel, which can according to need, to be selected, such as cutting process can be laser cutting or mechanical punching.Inventor tests hair
Existing, green compact are cut after reciprocity static pressure under both cutting modes, smaller on the influence of the performance of final products, meet production
It is required that and both modes be factory often use cutting mode, will not additionally increase the production cost of enterprise, high financial profit.
According to still another embodiment of the invention, the condition of co-firing process is not particularly restricted, those skilled in the art
It can be selected according to actual needs, such as the temperature of cofiring forming processes can be 1350-1550 degrees Celsius, the time can be with
For 30-240min.Inventors have found that too low co-fired temperature and shorter cofiring time, can be such that green sintering after cutting does not fill
Point, material is not completely at porcelain, and there are a large amount of hole in porcelain body, the intensity of heating sheet be cannot be guaranteed；And excessively high cofiring
Temperature and too long cofiring time, it will lead to material burning, porcelain body crystal grain understands abnormal growth, also will appear hole in porcelain body, add
The intensity of backing can also deteriorate.In short, reasonable sintering temperature and sintering time just can guarantee heating sheet material with good
Mechanical property.
S500: printing glaze layer in the lead electrode and heating electrode surface of sintering feed, thermally treated and remote in contact electrode
One end bonding wire from lead electrode
In the step, glaze layer is printed in the lead electrode and heating electrode surface of sintering feed, it is thermally treated and electric in contact
Extremely heating sheet is obtained after one end bonding wire far from lead electrode.Specifically, can be realized by replacement printing screen plate in sintering feed
Lead electrode and heating electrode surface print glaze layer, and the glaze layer of printing can protect lead electrode and heating electrode, electrode is avoided to exist
The case where contact external substance causes electrode poisoning resistance value to deteriorate during fever.It should be noted that printed glaze layer
Thickness be not particularly restricted, those skilled in the art can select according to actual needs.Inventors have found that containing glaze layer
Sintering feed will appear liquid phase during the sintering process, and the levelling in insulating process keeps substrate surface smooth, well isolation heating electricity
The contact of pole, lead electrode with heated material, carrys out guard electrode with this.After heat treatment, then in one end of contact electrode, far
One end from lead electrode carries out bonding wire, obtains heating sheet.
According to one embodiment of present invention, the condition of heat treatment is not particularly restricted, and those skilled in the art can be with
It is selected according to actual needs, such as the temperature of heat treatment can be 800-1000 degrees Celsius, the time can be 5-15min.
Inventors have found that surface glaze layer is without adequately liquefying and flowing under too low heat treatment temperature and too short heat treatment time
It is flat, cause substrate surface coarse, it is not smooth enough, many heated materials are had during use is adhered to surface, and
Not easy cleaning；And under excessively high heat treatment temperature and too long heat treatment time, there is the phenomenon that sagging in surface glaze layer, surface
Glaze will appear flowing water line, serious also electrode to be made to leak outside, it may appear that the phenomenon that surface irregularity, cause heated material viscous
Invest surface.
Still another embodiment in accordance with the present invention can be silver in the line that contact electrode is welded far from one end of lead electrode
Weldering or soldering.
The preparation method of heating sheet according to an embodiment of the present invention can avoid green compact at high temperature by printing insulating layer
Ionic conductance is generated, that is, avoids the occurrence of the phenomenon of electrode open circuit；Printing heating electrode can realize calorific value by the control of resistance value
Control, and then realize product fever；Lead electrode resistance is extremely low, can be powered for heating electrode；Contact electrode and external electrical
The contact resistance of pole is extremely low, for realizing the connection of external electrode and lead electrode；By printing surface glaze layer, heating can be protected
Electrode and lead electrode, avoiding electrode from contacting external substance during fever causes electrode to be poisoned and resistance value deterioration.Entire work
Only need to carry out a cofiring is once heat-treated the preparation that heating sheet can be completed during skill, is effectively simplified preparation process, contracts
The short manufacturing cycle of heating sheet；And cofiring is to carry out after dicing, is eliminated because laser thermal effect causes heating sheet to generate
The influence of micro-crack improves the reliability of product, enhances the flexural strength of heating sheet；Meanwhile co-firing process is conducive to mention
Binding force between high green compact and electrode promotes properties of product.
In another aspect of the invention, the invention proposes a kind of heating sheets, according to an embodiment of the invention, the heating
Piece is prepared using the preparation method of above-mentioned heating sheet.With reference to Fig. 2, which includes green compact 1, insulating layer 2, contact
Electrode layer 3, lead electrode layer 4, heating electrode layer 5, glaze layer 6 and bonding wire 7.The heating sheet is eliminated because of laser thermal effect as a result,
Heating sheet is caused to generate the influence of micro-crack, the reliability of product is higher, and flexural strength significantly increases；Meanwhile green compact and electrode
Between binding force it is high, properties of product are preferable.
In an additional aspect of the present invention, the invention proposes a kind of electronic cigarettes, according to an embodiment of the invention, the electronics
Cigarette is the electronic cigarette for including above-mentioned heating sheet.There is the electronic cigarette a kind of non-microcracked, flexural strength significantly to increase as a result, together
When the green compact and high heating sheet of electrode binding force so that the service life of electronic cigarette significantly improves, meanwhile, which can also change
Use feeling of the kind user to electronic cigarette.
In an additional aspect of the present invention, what it is the invention proposes a kind of preparation method suitable for above-mentioned heating sheet is
System, according to an embodiment of the invention, the system includes: molding machine 100, printing equipment 200, isopressing device with reference to Fig. 3
300, cutter device 400, cofiring device 500, annealing device 600 and wire-soldering device 700.
According to an embodiment of the invention, molding machine 100 has green compact entrance 101 and the first green compact outlet 102, and it is suitable for
Green compact are subjected to forming processes, to obtain the first green compact.It should be noted that the concrete type of molding machine is not by special
Limitation, those skilled in the art can select according to actual needs, such as can be tape casting machine.Inventors have found that
Small using the resulting first green compact each section undulating composition of tape casting, performance is uniform and stablizes, and fracture toughness is good, and using stream
Prolong molding high production efficiency, can operate continuously.Further, by the way that green compact are carried out forming processes, the densification of green compact can be improved
Degree after forming, can provide safeguard, and then promote institute because subsequent technique is carried out on green compact for the implementation of subsequent technique
Obtain the properties of product of heating sheet.
According to one embodiment of present invention, green compact may include yttria levels be 2-4wt% mix yttrium zirconium oxide or
Alumina content mixes at least one of yttrium zirconium oxide, Zirconia reinforced alumina ceramic for 2-20wt%'s.It needs to illustrate
Be, in green compact except comprising yttria levels be 2-4wt% mix yttrium zirconium oxide or alumina content is that 2-20wt% mixes yttrium oxygen
Change except at least one of zirconium, Zirconia reinforced alumina ceramic, the concrete content of other specific ingredients and each ingredient is not
It is particularly limited, those skilled in the art can select according to actual needs.It is aoxidized in yttrium zirconium oxide inventors have found that mixing
Yttrium content is too low, and to would potentially result in mixing the Zirconia-stabilized property of yttrium poor, makes to mix yttrium zirconium oxide that tetragonal phase easily turns in use
Become monoclinic phase and generate aging, and then causes to mix yttrium zirconium oxide fragmentation；And if it is excessively high to mix yttria levels in yttrium zirconium oxide,
The intensity for mixing yttrium zirconium oxide itself can be reduced, causes to generate part due to the effect of external force in use.
According to an embodiment of the invention, printing equipment 200 have the first web plate (not shown), the second web plate (not shown),
Third web plate (not shown), the 4th web plate (not shown), the 5th web plate (not shown), the first green compact entrance 201, sintering feed entrance
202, third green compact outlet 203 and the outlet of sintering feed containing glaze layer 204, the first green compact entrance 201 exports 102 phases with the first green compact
Even, and be suitable for by the first halftone molding green surface print insulating layer, to obtain the second green compact, by the second halftone,
In the surface of insulating layer of the second green compact, from left to right successively printing contacts electrode, lead electrode respectively for third halftone, the 4th halftone
It is printed by the 5th halftone in the lead electrode of sintering feed and heating electrode surface with heating electrode to obtain third green compact
Glaze layer, to obtain sintering feed containing glaze layer.It should be noted that the concrete type of printing equipment is not particularly restricted, ability
Field technique personnel can select according to actual needs, such as can be general screen process press.Meanwhile above-mentioned first net
There is no special effect of contraction, this field skills to shape and quantity for version, the second halftone, third halftone, the 4th halftone, the 5th halftone
Art personnel can select according to actual needs, for example, printing by the first screen painting insulating layer or by the second halftone
Brush contact electrode heats electrode by third screen painting lead electrode, by the 4th screen painting, passes through the 5th screen painting
When glaze layer, single screen painting can be used, multiple halftone combinations also can be used and printed, as long as meeting product demand i.e.
It can.
Inventors have found that can avoid green compact by printing insulating layer in molding green surface and generate ion-conductance at high temperature
It leads, that is, avoids the occurrence of the phenomenon of electrode open circuit.It should be noted that the thickness of printed insulating layer is not particularly restricted,
Those skilled in the art can select according to actual needs.It is printed electrode layer by face on the insulating layer, can avoid insulation
Green compact under layer interfere electrode, the performance of the final gained heating sheet of impression.Specifically, printing heating electrode, can pass through resistance value
The control of calorific value is realized in control, and then realizes the fever of product；Lead electrode resistance is extremely low, can be powered for heating electrode；It connects
The contact resistance of touched electrode and external electrode is extremely low, for realizing the connection of external electrode and lead electrode.It is printed by conversion
Version can be achieved to print out contact electrode, lead electrode and heating electrode on the insulating layer.Contacting electrode main function is to make to heat
Piece and external circuit connection contact electrode in use regardless of positive and negative anodes, by subsequent client with low contact resistance
It assembles and determines positive and negative anodes；Lead electrode main function is connection contact electrode and heating electrode, equally has low resistance, above
It is the calorific value reduced in use process that the two, which has low-resistance purpose,；And adding thermal resistance has relatively high resistance, makes
With the effect for primarily serving fever in the process.All pass through between contact electrode and lead electrode, lead electrode and heating electrode
Concatenated mode connects.Further, the lead electrode and heating electrode table in sintering feed can be realized by replacement printing screen plate
Glaze layer is printed in face, and the glaze layer of printing can protect lead electrode and heating electrode, electrode is avoided to contact foreign objects during fever
The case where matter causes electrode poisoning resistance value to deteriorate.It should be noted that the thickness of printed glaze layer is not particularly restricted,
Those skilled in the art can select according to actual needs.
According to one embodiment of present invention, the predominantly alumina powder in insulating layer.Inventors have found that alumina powder
Body belongs to inorganic non-metallic powder, has biggish specific surface area (15m2/ g or more), due to needing low-temperature sintering, partial size is needed
To make its D by repeatedly processing50Reach 200nm or so.And this powder is easily reunited during with slurry, this requires
A variety of auxiliary agents are added in the preparation process of insulating layer slurry, to solve the various situations that insulating layer slurry is likely to occur.And it is specific
Assistant types those skilled in the art can select according to actual needs, such as can pass through addition dispersing agent increase powder
The dispersibility of body；Addition defoaming agent eliminates the bubble generated in printing process；Antiprecipitant is added to reduce insulating layer slurry
Precipitability；It adds levelling agent and increases the mobility of insulating layer slurry, and be conducive to eliminate the reticulate pattern in subsequent print run；Addition
Resin carrier guarantees the adhesion and wire drawing characteristic of insulating layer slurry；Various solvents are added, guarantee the mobility of insulating layer slurry
And promote resin, the dissolution of auxiliary agent etc..Further, it can be carried out at cofiring together in subsequent handling because of green compact with insulating layer
Reason, green compact and insulating layer need sintering temperature having the same, identical sintering shrinkage, so that the two is in co-firing process mistake
Occur significantly interpenetrating in journey, the contact surface of the two is combined closely, and is not layered.And to reach above-mentioned purpose, if
The sintering temperature of insulating layer and the sintering temperature of green compact are different, then need to add sintering aid in a insulating layer.Such as it can add
CuO、TiO2、B2O3、SiO2、Nb2O5、ZnO、Bi2O3、MgO、Sn2O3, at least one of oxides such as CaO；Meanwhile by excellent
Additive content, solid content, viscosity, the glue content of type and insulating layer slurry in change insulating layer etc., may make the two to have
Identical sintering shrinkage.
Still another embodiment in accordance with the present invention, the material of electrode can be platinum.Specifically, contact electrode can be
Sheet resistance is the first platinum slurry of 0~20m Ω/, may make that it is extremely low with the contact resistance of external electrode as a result, Jin Ershi
The connection of existing external electrode and lead electrode；Lead electrode can be the second platinum slurry that sheet resistance is 0~30m Ω/, by
This, may make that it is suitable for the energization of heating electrode and energy consumption is lower；Heating electrode can be that sheet resistance is 10~150m Ω/
Three platinum slurries, can realize the control of calorific value by the control of resistance value as a result, and then realize the fever of product.
According to still another embodiment of the invention, contact electrode zone and lead electrode region, the face for heating electrode zone
Product ratio is not particularly restricted, and those skilled in the art can select according to actual needs, such as can be 1-1.5:3-
For 1:2-5 inventors have found that if heating electrode region areas is too small, it is inadequate to will lead to calorific value in use, and tobacco utilizes
Rate is lower；And if heat that electrode region areas is excessive, the temperature that will lead at contact electrode in use is very high, and external
Lead and contact electrode are by being welded to connect, and the excessively high temperature of contact electrode will affect the reliability of solder joint.
According to an embodiment of the invention, isopressing device 300 has third green compact entrance 301 and green compact after static pressure is waited to export
302, third green compact entrance 301 is connected with third green compact outlet 203, and is suitable for third green compact carrying out isostatic pressing, so as to
Obtain green compact after equal static pressure.It should be noted that the concrete type of isopressing device is not particularly restricted, those skilled in the art
Member can be selected according to actual needs, such as can be warm isostatic pressing machine, inventors have found that by carrying out third green compact
Isostatic pressing can increase the consistency of third green compact, improve the properties of product of third green compact, and then can promote subsequent gained and add
The properties of product of backing.
According to one embodiment of present invention, the condition of isostatic pressing is not particularly restricted, those skilled in the art
It can be selected according to actual needs, such as the temperature of equal static pressure can be 60-80 degrees Celsius, pressure can be 25-
200MPa, time can be 10-120min.Inventors have found that may make resulting etc. quiet under the conditions of above-mentioned isostatic pressing
Green compact have preferable consistency after pressure, while production efficiency is preferable.
According to an embodiment of the invention, cutter device 400 is exported with green compact after green compact entrance 401 after equal static pressure and cutting
402, wait green compact entrance 401 after static pressure to be connected with green compact outlet 302 after equal static pressure, and be suitable for green compact after static pressure being waited to cut
Processing, so as to green compact after being cut.It should be noted that the concrete type of cutter device is not particularly restricted, this field
Technical staff can select according to actual needs, such as can be laser cutting machine or mechanical bicker.Inventor's experiment
It was found that green compact are cut after reciprocity static pressure under both cutting modes, and it is smaller on the influence of the performance of final products, meet life
It produces and requires, and both modes are that factory often uses cutting mode, will not additionally increase the production cost of enterprise, high financial profit.
Further, it is cut, and is cut before co-firing process again after equal static pressure, can be eliminated because laser thermal effect causes to heat
Piece generates the influence of micro-crack, promotes product reliability, enhances the flexural strength of heating sheet.
According to an embodiment of the invention, cofiring device 500 has green compact entrance 501 and sintering feed outlet 502 after cutting, cut
It cuts rear green compact entrance 501 to be connected with green compact outlet 402 after cutting, sintering feed outlet 502 is connected with sintering feed entrance 202, and suitable
Green compact carry out co-firing process after it will cut, to obtain sintering feed.It should be noted that the concrete type of cofiring device is not
It is particularly limited, those skilled in the art can select according to actual needs, such as can be high temperature box furnace or height
Warm continuous tunnel furnace is eliminated inventors have found that carry out cutting and co-firing process again after equal static pressure, and before cutting is placed on cofiring
Because laser thermal effect causes heating sheet to generate the influence of micro-crack, the reliability of product is improved, enhance the anti-of heating sheet
Roll over intensity；Meanwhile co-firing process is conducive to improve the binding force between green compact and electrode, promotes properties of product.
According to one embodiment of present invention, the condition of co-firing process is not particularly restricted, and those skilled in the art can
To be selected according to actual needs, such as the temperature of cofiring forming processes can be 1350-1550 degrees Celsius, and the time can be
30-240min.Inventors have found that too low co-fired temperature and shorter cofiring time, can make green sintering after cutting insufficient,
Material is not completely at porcelain, and there are a large amount of hole in porcelain body, the intensity of heating sheet be cannot be guaranteed；And excessively high co-fired temperature
With the too long cofiring time, material burning will lead to, porcelain body crystal grain understands abnormal growth, also will appear hole, heating sheet in porcelain body
Intensity can also deteriorate.In short, reasonable sintering temperature and sintering time just can guarantee that heating sheet material has good mechanics
Performance.
According to an embodiment of the invention, annealing device 600 is sintered after having the entrance of sintering feed containing glaze layer 601 and heat treatment
Material outlet 602, the entrance of sintering feed containing glaze layer 601 and sintering feed containing glaze layer export 204 and are connected, and suitable for will contain glaze layer sintering feed into
Row heat treatment, so as to sintering feed after being heat-treated.It should be noted that the concrete type of annealing device is not limited especially
System, those skilled in the art can select according to actual needs, such as can be silver ink firing meshbeltfurnace, and inventor's discovery contains glaze
Layer sintering feed will appear liquid phase during the sintering process, and the levelling in insulating process keeps substrate surface smooth, well isolation heating
The contact of electrode, lead electrode with heated material, carrys out guard electrode with this.After heat treatment, then contact electrode one end,
One end far from lead electrode carries out bonding wire, obtains heating sheet.
According to one embodiment of present invention, the condition of heat treatment is not particularly restricted, and those skilled in the art can be with
It is selected according to actual needs, such as the temperature of heat treatment can be 800-1000 degrees Celsius, the time can be 5-15min.
Inventors have found that surface glaze layer is without adequately liquefying and flowing under too low heat treatment temperature and too short heat treatment time
It is flat, cause substrate surface coarse, it is not smooth enough, many heated materials are had during use is adhered to surface, and
Not easy cleaning；And under excessively high heat treatment temperature and too long heat treatment time, there is the phenomenon that sagging in surface glaze layer, surface
Glaze will appear flowing water line, serious also electrode to be made to leak outside, it may appear that the phenomenon that surface irregularity, cause heated material viscous
Invest surface.
According to an embodiment of the invention, wire-soldering device 700 has sintering feed entrance 701 and heating sheet outlet after heat treatment
702, sintering feed entrance 701 602 is connected with sintering feed outlet after heat treatment after heat treatment, and suitable for sintering feed after being heat-treated into
Row bonding wire processing, to obtain heating sheet.It should be noted that the concrete type of wire-soldering device is not particularly restricted, ability
Field technique personnel can select according to actual needs, such as can be crest welder.Inventors have found that after heat treatment,
Again in one end of contact electrode, one end far from lead electrode carries out bonding wire, heating sheet can be obtained.
It according to one embodiment of present invention, can be silver soldering far from the line that one end of lead electrode is welded in contact electrode
Or soldering.
The preparation system of heating sheet according to an embodiment of the present invention can avoid green compact at high temperature by printing insulating layer
Ionic conductance is generated, that is, avoids the occurrence of the phenomenon of electrode open circuit；Printing heating electrode can realize calorific value by the control of resistance value
Control, and then realize product fever；Lead electrode resistance is extremely low, can be powered for heating electrode；Contact electrode and external electrical
The contact resistance of pole is extremely low, for realizing the connection of external electrode and lead electrode；By printing surface glaze layer, heating can be protected
Electrode and lead electrode, avoiding electrode from contacting external substance during fever causes electrode to be poisoned and resistance value deterioration.Entire work
Only need to carry out a cofiring is once heat-treated the preparation that heating sheet can be completed during skill, is effectively simplified preparation process, contracts
The short manufacturing cycle of heating sheet；And cofiring is to carry out after dicing, is eliminated because laser thermal effect causes heating sheet to generate
The influence of micro-crack improves the reliability of product, enhances the flexural strength of heating sheet；Meanwhile co-firing process is conducive to mention
Binding force between high green compact and electrode promotes properties of product.
Below with reference to specific embodiment, present invention is described, it should be noted that these embodiments are only to describe
Property, without limiting the invention in any way.
Embodiment 1
2wt%Y will be contained2O3YSZ green compact carry out tape casting processing, obtain the first green compact of long 19.5mm, wide 5mm；It adopts
Insulating layer is printed on the first green surface with the first halftone, after drying 15min at 75 DEG C, obtains the second green compact；Then divide
Do not use the second halftone, third halftone, the 4th halftone the second green compact surface of insulating layer from left to right successively printing sheet resistance for
The first platinum slurry of 5m Ω/ as contact electrode, sheet resistance be 5m Ω/ the second platinum slurry as lead electrode, side
The third platinum slurry that resistance is 10m Ω/ is as heating electrode, wherein contact electrode and lead electrode, the surface for heating electrode
Product obtains third green compact than being 1:1:2 after drying 10min at 75 DEG C；Third green compact are suppressed at 60 degrees Celsius, 100MPa
20min obtains green compact after equal static pressure；Green compact after equal static pressure are cut into small pieces by laser, green compact exist after then cutting
Cofiring 30min, obtains sintering feed at 1350 DEG C；Using the 5th halftone in the lead electrode of sintering feed and heating electrode layer surface print
Then brushing glazing layer carries out 10min heat treatment, and one end far from lead electrode on contact electrode at 900 DEG C, uses silver soldering
Or soldering and welding extraction wire, obtain heating sheet.In heating sheet green layer with a thickness of 0.2mm, insulating layer with a thickness of 6 μ
M, electrode layer with a thickness of 5 μm, glaze layer with a thickness of 10 μm.6 samples are taken to carry out the test of two o'clock resistance to bending, resulting two o'clock is anti-
Curved power is as shown in table 1, the two o'clock bending resistance of resulting 6 samples under existing multiple sintering process, parameter identical with this programme
Force value is also as shown in table 1.As shown in Table 1, using the above scheme of the application relative to old scheme, two o'clock resistance to bending is averagely mentioned
Rise 34%.
Table 1 uses the two o'clock bending resistance force value of sample obtained by this programme and old scheme
| Serial number | Old scheme | New departure |
| 1 | 0.6 | 0.85 |
| 2 | 0.65 | 0.8 |
| 3 | 0.55 | 0.85 |
| 4 | 0.6 | 0.85 |
| 5 | 0.65 | 0.75 |
| 6 | 0.65 | 0.85 |
| Average value | 0.62 | 0.83 |
Embodiment 2
10wt%Al will be contained2O3YSZ green compact carry out tape casting processing, obtain the first green compact of long 19.5mm, wide 5mm；
Insulating layer is printed on the first green surface using the first halftone, after drying 15min at 75 DEG C, obtains the second green compact；Then
The second halftone, third halftone, the 4th halftone is respectively adopted and successively prints sheet resistance from left to right in the surface of insulating layer of the second green compact
It is electric as lead as the second platinum slurry for contacting electrode, sheet resistance is 10m Ω/ for the first platinum slurry of 10m Ω/
Pole, the third platinum slurry that sheet resistance is 50m Ω/ are as heating electrode, wherein contact electrode and lead electrode, heating electrode
Surface area ratio be 1.25:2:3, at 75 DEG C dry 10min after, obtain third green compact；Third green compact 75 degrees Celsius,
20min is suppressed under 100MPa, obtains green compact after equal static pressure；Green compact after equal static pressure are cut into small pieces by laser, then will be cut
Rear green compact cofiring 100min at 1450 DEG C is cut, sintering feed is obtained；Using the 5th halftone sintering feed lead electrode and heating
Electrode layer surface prints glaze layer, and 10min heat treatment, and the separate lead electrode on contact electrode are then carried out at 900 DEG C
One end obtains heating sheet using silver soldering or soldering and welding extraction wire.In heating sheet green layer with a thickness of 0.3mm, insulation
Layer with a thickness of 15 μm, electrode layer with a thickness of 15 μm, glaze layer with a thickness of 20 μm.6 samples are taken to carry out the survey of two o'clock resistance to bending
Examination, resulting two o'clock resistance to bending is as shown in table 2, resulting 6 under existing multiple sintering process, parameter identical with this programme
The two o'clock bending resistance force value of sample is also as shown in table 2.As shown in Table 2, using the above scheme of the application relative to old scheme, two
Point resistance to bending averagely promotes 22%.
Table 2 uses the two o'clock bending resistance force value of sample obtained by this programme and old scheme
| Serial number | Old scheme | New departure |
| 1 | 0.8 | 1.0 |
| 2 | 0.85 | 1.05 |
| 3 | 0.85 | 1.05 |
| 4 | 0.75 | 0.95 |
| 5 | 0.90 | 1.0 |
| 6 | 0.80 | 1.0 |
| Average value | 0.83 | 1.01 |
Embodiment 3
4wt%Y will be contained2O3YSZ green compact carry out tape casting processing, obtain the first green compact of long 19.5mm, wide 5mm；It adopts
Insulating layer is printed on the first green surface with the first halftone, after drying 15min at 75 DEG C, obtains the second green compact；Then divide
Do not use the second halftone, third halftone, the 4th halftone the second green compact surface of insulating layer from left to right successively printing sheet resistance for
The first platinum slurry of 15m Ω/ as contact electrode, sheet resistance be 20m Ω/ the second platinum slurry as lead electrode,
Sheet resistance is used as heating electrode for the third platinum slurry of 100m Ω/, wherein contact electrode and lead electrode heat electrode
Surface area ratio is 1.5:3:4, after drying 10min at 75 DEG C, obtains third green compact；Third green compact are in 70 degrees Celsius, 100MPa
Lower compacting 20min obtains green compact after equal static pressure；Green compact after equal static pressure are cut into small pieces by laser, it is raw after then cutting
Base cofiring 100min at 1450 DEG C, obtains sintering feed；Using the 5th halftone in the lead electrode of sintering feed and heating electrode layer
Then surface printing glaze layer carries out 10min heat treatment, and one end far from lead electrode on contact electrode at 900 DEG C, makes
With silver soldering or soldering and welding extraction wire, heating sheet is obtained.Green layer with a thickness of 0.4mm, the thickness of insulating layer in heating sheet
Degree is 20 μm, electrode layer with a thickness of 20 μm, glaze layer with a thickness of 25 μm.6 samples are taken to carry out the test of two o'clock resistance to bending, gained
Two o'clock resistance to bending it is as shown in table 3, resulting 6 samples under existing multiple sintering process, parameter identical with this programme
Two o'clock bending resistance force value is also as shown in table 3.As shown in Table 3, using the above scheme of the application relative to old scheme, two o'clock bending resistance
Power averagely promotes 35%.
Table 3 uses the two o'clock bending resistance force value of sample obtained by this programme and old scheme
| Serial number | Old scheme | New departure |
| 1 | 1.20 | 1.65 |
| 2 | 1.30 | 1.60 |
| 3 | 1.20 | 1.55 |
| 4 | 1.10 | 1.70 |
| 5 | 1.25 | 1.60 |
| 6 | 1.10 | 1.55 |
| Average value | 1.19 | 1.61 |
Embodiment 4
ZTA (Zirconia reinforced alumina ceramic) green compact will be contained and carry out tape casting processing, obtain long 19.5mm, width 5mm
The first green compact；Insulating layer is printed on the first green surface using the first halftone, after drying 15min at 75 DEG C, obtains the
Two green compact；Then be respectively adopted the second halftone, third halftone, the 4th halftone the second green compact surface of insulating layer from left to right according to
The first platinum slurry that secondary printing sheet resistance is 20m Ω/ is made as contact electrode, the second platinum slurry that sheet resistance is 30m Ω/
It is third platinum slurry that lead electrode, sheet resistance are 150m Ω/ as heating electrode, wherein contact electrode and lead electrode,
The surface area ratio for heating electrode is that 1.25:2:5 obtains third green compact after drying 10min at 75 DEG C；Third green compact are taken the photograph 80
20min is suppressed under family name's degree, 100MPa, obtains green compact after equal static pressure；Green compact after equal static pressure are cut into small pieces by laser, then
Green compact cofiring 100min at 1550 DEG C after cutting, obtains sintering feed；Using the 5th halftone sintering feed lead electrode and
It heats electrode layer surface and prints glaze layer, 10min heat treatment is then carried out at 900 DEG C, and far from lead electricity on contact electrode
One end of pole obtains heating sheet using silver soldering or soldering and welding extraction wire.In heating sheet green layer with a thickness of 0.5mm,
Insulating layer with a thickness of 82 μm, electrode layer with a thickness of 34 μm, glaze layer with a thickness of 75 μm.6 samples are taken to carry out two o'clock bending resistance
Power test, resulting two o'clock resistance to bending is as shown in table 4, the gained under existing multiple sintering process, parameter identical with this programme
6 samples two o'clock bending resistance force value it is also as shown in table 4.As shown in Table 4, using the above scheme of the application relative to old side
Case, two o'clock resistance to bending averagely promote 24%.
Table 4 uses the two o'clock bending resistance force value of sample obtained by this programme and old scheme
| Serial number | Old scheme | New departure |
| 1 | 1.55 | 1.95 |
| 2 | 1.60 | 1.90 |
| 3 | 1.65 | 2.05 |
| 4 | 1.60 | 2.0 |
| 5 | 1.60 | 2.05 |
| 6 | 1.55 | 1.95 |
| Average value | 1.59 | 1.98 |
Note: above-mentioned two o'clock resistance to bending refers to, the heating electrode of heating sheet is fixed with lead electrode intersection, is somebody's turn to do in distance
The heating electrode upper of intersection 9mm applies a vertical, and the power when heating sheet is pressed down is the two of the heating sheet
Point resistance to bending.
By above-mentioned experiment it is found that relative to existing multiple co-firing technology, prepared using the preparation method of the application heating sheet
The two o'clock resistance to bending of resulting heating sheet is obviously improved, i.e. the flexural strength of gained heating sheet dramatically increases, significant effect.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of preparation method of heating sheet characterized by comprising
(1) green compact are subjected to forming processes, to obtain the first green compact；
(2) insulating layer is printed in the molding green surface, to obtain the second green compact；
(3) in second green surface, from left to right successively printing contacts electrode, lead electrode and heating electrode, to obtain
Third green compact；
(4) the third green compact are successively subjected to isostatic pressing, cutting process and cofiring forming processes, to be sintered
Material；
(5) glaze layer is printed in the lead electrode of the sintering feed and the heating electrode surface, it is thermally treated and described
Contact electrode is far from obtaining heating sheet after one end bonding wire of the lead electrode.
2. the method according to claim 1, wherein in step (1), the green compact are comprising yttria levels
Mix yttrium zirconium oxide or the alumina content of 2-4wt% is that 2-20wt% mixes yttrium zirconium oxide, in Zirconia reinforced alumina ceramic
At least one of；
Optional, the molding mode of the green compact is tape casting.
3. the method according to claim 1, wherein the material of the insulating layer is oxidation in step (2)
Aluminium.
4. the method according to claim 1, wherein in step (3), the contact electrode be sheet resistance be 0~
The first platinum slurry of 20m Ω/；
Optional, the lead electrode is the second platinum slurry that sheet resistance is 0~30m Ω/；
Optional, the heating electrode is the third platinum slurry that sheet resistance is 10~150m Ω/；
Optional, the area ratio in the contact electrode zone and the lead electrode region, the heating electrode zone is 1-
1.5:3-1:2-5.
5. the method according to claim 1, wherein in step (4), the temperature of the isostatic pressing is
60-80 degrees Celsius, pressure 25-200MPa, time 10-120min；
Optional, the cutting process is laser cutting or mechanical punching；
Optional, the temperature of the cofiring forming processes is 1350-1550 degrees Celsius, time 30-240min.
6. the method according to claim 1, wherein the temperature of the heat treatment is 800- in step (5)
1000 degrees Celsius, time 5-15min；
It is optional, it far from the line that one end of the lead electrode is welded is silver soldering or soldering in the contact electrode.
7. a kind of heating sheet, which is characterized in that the heating sheet is prepared using method of any of claims 1-6
It obtains.
8. a kind of electronic cigarette, which is characterized in that include heating sheet as claimed in claim 7 in the electronic cigarette.
9. a kind of for implementing the heating sheet preparation system of method described in any one of right 1-6 characterized by comprising
There is green compact entrance and the first green compact to export for molding machine, the molding machine；
Printing equipment, the printing equipment have the first web plate, the second web plate, third web plate, the 4th web plate, the 5th web plate, the
One green compact entrance, sintering feed entrance, the outlet of third green compact and the outlet of sintering feed containing glaze layer, the first green compact entrance and described the
The outlet of one green compact is connected；
Isopressing device, the isopressing device have third green compact entrance and green compact after static pressure are waited to export, the third green compact
Entrance is connected with third green compact outlet；
Cutter device, the cutter device have after equal static pressure that green compact export after green compact entrance and cutting, raw after the equal static pressure
Base entrance is connected with green compact outlet after the equal static pressure；
Cofiring device, the cofiring device have cutting after green compact entrance and sintering feed outlet, after the cutting green compact entrance with
Green compact outlet is connected after the cutting, and the sintering feed outlet is connected with the sintering feed entrance；
Annealing device, there is the annealing device sintering feed after the entrance of sintering feed containing glaze layer and heat treatment to export, described to contain
Glaze layer sintering feed entrance is connected with the sintering feed containing glaze layer outlet；
Wire-soldering device, the wire-soldering device have sintering feed entrance and heating sheet outlet after heat treatment, are sintered after the heat treatment
Material entrance is connected with sintering feed outlet after the heat treatment.
10. system according to claim 9, which is characterized in that the molding machine is tape casting machine
Optional, the printing equipment is screen process press；
Optional, the isopressing device is warm isostatic pressing machine；
Optional, the cutter device is laser cutting machine or mechanical bicker；
Optional, the cofiring device is high temperature box furnace or hyperthermia tunnel Kiln；
Optional, the annealing device is silver ink firing meshbeltfurnace；
Optional, the wire-soldering device is crest welder.
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Cited By (1)
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