CN104754780B - A kind of ceramic electric heating component and preparation method thereof - Google Patents
A kind of ceramic electric heating component and preparation method thereof Download PDFInfo
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- CN104754780B CN104754780B CN201510168930.2A CN201510168930A CN104754780B CN 104754780 B CN104754780 B CN 104754780B CN 201510168930 A CN201510168930 A CN 201510168930A CN 104754780 B CN104754780 B CN 104754780B
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Abstract
The present invention provides a kind of ceramic electric heating component, including：Ceramic matrix；It is arranged at the heating film resistance on the ceramic matrix；The electrode on the ceramic matrix is arranged at, at least two groups of the electrode is electrically connected with the heating film resistance formation；The screw on the ceramic matrix is arranged at, the screw is electrically connected with electrode formation；It is covered in the protective layer of the heating film resistance outer surface.The present invention is provided with the structure of screw on electric-heating assembly, it is to avoid soldering during lead connection, prepares simple, with low cost.
Description
Technical field
The present invention relates to heater members field, more particularly to ceramic electric heating component and preparation method thereof.
Background technology
MCH (Metal Ceramics Heater) metallized ceramic electric heating element is that a class thermal efficiency is high, performance is stable,
The new electrically heating device of long lifespan, safety and environmental protection, since being emerged from MCH metallized ceramic electric heating elements, product is extensively blue or green by market
Look at.Its structure includes：Ceramic matrix, two electrodes being arranged on ceramic matrix and the heating resistor being printed on ceramic matrix
Body.Its preparation method is：Tungsten either molybdenum manganese slurry is printed on ceramics curtain coating base substrate, by hot pressing lamination, then
Under 1600 DEG C of nitrogen atmosphere protections, the ceramic heating element that ceramics and metal are sintered jointly.
The Chinese invention patent application of Application No. 200910038679.2 discloses a kind of ceramic heating element, ceramics hair
Hot component and preparation method thereof.This method has passed through using HTCC HTCC techniques, leads on alumina ceramic component
Cross silk-screen deposition conductive layer, form a kind of ceramic heating assembly using the mode of high temperature co-firing green, plating and atmosphere soldering.
But the electric-heating assembly for utilizing the HTCC HTCCs technique to prepare, technically in the presence of obvious defect：
Firstly, it is necessary to lead is fixed on ceramic component using soldering, and employ more than 2 groups ceramic chips laminating technologies, it is necessary to
By multiple more than 1600 DEG C of specific atmospheric conditions high temperature sintering, complex process, manufacturing cost is high；Secondly, heat dispersion
Difference；Electric-heating assembly prepared by the 3rd invention, conductive heating layer is using metal materials such as high temperature tungsten copper-manganeses, and the grade material is general
Temperature-coefficient of electrical resistance (T.C.R) is high, reaches 1000~2500ppm/ DEG C, the discreteness of heating resistor is high, and resistance temperature drift is inconsistent,
Cause heater element to be dissipated when working obvious, increase circuit design difficulty.
The content of the invention
Present invention solves the technical problem that being to provide a kind of ceramic electric heating component and preparation method thereof, the ceramic electric heating
Component is without soldering, and technique is simple, with low cost.
The invention discloses a kind of ceramic electric heating component, including：
Ceramic matrix；
It is arranged at the heating film resistance on the ceramic matrix；
The electrode on the ceramic matrix is arranged at, at least two groups of the electrode forms electricity with the heating film resistance
Gas is connected；
The screw on the ceramic matrix is arranged at, the screw is electrically connected with electrode formation；
It is coated on the protective layer of the heating film resistance outer surface.
It is preferred that, in addition to graphite ene coatings, the graphite ene coatings are coated on the ceramic matrix away from heating film
The one side of resistance.
It is preferred that, the screw is connected with the electrode by side conductive electrode or the electrode is arranged in screw.
It is preferred that, the heating film resistance is made up of nickel-chromium alloy film, oxidative ruthenium membrane, carbon film or thermosensitive material film.
It is preferred that, the ceramic matrix is cylinder；
The electrode is two groups, is arranged on the side wall of the ceramic matrix；
The screw is connected with the electrode by side conductive electrode；
The heating film resistance is arranged on the side wall of the ceramic matrix outer surface；
The electrode and the heating film resistance overlap joint；
The graphite ene coatings are coated on the upper surface of the protective layer or the ceramic matrix.
It is preferred that, the ceramic matrix is slab construction,
The heating film resistance is arranged at the surface of the ceramic matrix side；
The electrode is arranged in screw；
The electrode is two groups or more；
The heating film resistance is overlapped with the electrode, forms electrical connection；
The graphite ene coatings are coated on the surface of the ceramic matrix opposite side.
It is preferred that, in addition to：The lead being arranged on the electrode and the insulating sleeve being set on the lead.
The invention also discloses a kind of preparation method of ceramic electric heating component, comprise the following steps：
(1) ceramic matrix with screw is obtained through shaping；
(2) electrode is set on the ceramic matrix, and the screw is electrically connected with electrode formation；
(3) it is obtaining being connected with electrode by thick film silk-screen, pad pasting evaporation or sputtering sedimentation and be arranged at the ceramic base
Heating film resistance on body；
(4) protective layer for film resistance of being generated heat on ceramic matrix by the formation covering of thick film silk-screen, obtains ceramic electric heating group
Part.
It is preferred that, in the step (3), it is additionally included in the heating film resistance and is set not after heating film resistance is obtained
Laser cut less than one group.Certainly, according to reality, it can also select to be not provided with the laser cut, to obtain higher power
Output density, it is to avoid heat spot occurs in heater block, causes part heat spot to burn failure.
It is preferred that, in the step (3), the heating film resistance is by nickel-chromium alloy film, oxidative ruthenium membrane, carbon film or temperature-sensitive
Thin-film material is made.
Compared with prior art, ceramic electric heating component of the invention, including：Ceramic matrix；
It is arranged at the heating film resistance on the ceramic matrix；It is arranged at the electrode on the ceramic matrix, the electrode
At least two groups, it is electrically connected with the heating film resistance formation；
The screw on the ceramic matrix surface is arranged at, the screw is electrically connected with electrode formation；It is covered in institute
State the protective layer of heating film resistance outer surface.The present invention with the addition of the structure of screw on electric-heating assembly, it is to avoid lead connection
When soldering, prepare simple, with low cost.
Further, there are graphite ene coatings, good heat dissipation effect on electric-heating assembly of the present invention.And the heating used
Film resistance is made up of nickel-chromium alloy film, oxidative ruthenium membrane, carbon film or thermosensitive material film, and the temperature characterisitic of these materials is more stable,
Temperature-coefficient of electrical resistance (T.C.R) can be controlled below 300ppm/ DEG C, or, these materials are prepared to controlled temperature
The thermistor thin film material of characteristic, thermo-sensitive material temperature has specific linear character, therefore obtained ceramic electric heating component
Temperature consistency it is preferable, it is easy to control.During ceramic electric heating component is prepared, due to having used the material and described
Its preparation process, the heating film resistance temperature of preparation can be controlled below 1000 DEG C, enormously simplify preparation technology, improved
Preparation efficiency, also reduces cost.
Brief description of the drawings
Fig. 1 is the side structure schematic diagram of ceramic electric heating component prepared by embodiment 1；
Fig. 2 is that the ceramic electric heating component for applying the preparation of example 1 removes the side structure schematic diagram after protective layer；
Fig. 3 is the Screw hole structure schematic diagram of ceramic electric heating component prepared by embodiment 1；
Fig. 4 is the pin configuration schematic diagram of ceramic electric heating component prepared by embodiment 1；
Fig. 5 is the section cut-outs schematic diagram of ceramic electric heating component heating film resistance prepared by embodiment 1；
Fig. 6 is the structural representation of ceramic electric heating component prepared by embodiment 2；
Fig. 7 is the structural representation of ceramic electric heating component prepared by embodiment 3；
Fig. 8 is the structural representation of ceramic electric heating component prepared by embodiment 4；
Fig. 9 is the structural representation of bolt 17.
Embodiment
For a further understanding of the present invention, the preferred embodiment of the invention is described with reference to embodiment, still
It should be appreciated that these descriptions are simply to further illustrate the features and advantages of the present invention, rather than to the claims in the present invention
Limitation.
The embodiment of the invention discloses a kind of ceramic electric heating component, including：
Ceramic matrix；
It is arranged at the heating film resistance on the ceramic matrix；
The electrode on the ceramic matrix is arranged at, at least two groups of the electrode forms electricity with the heating film resistance
Gas is connected；
The screw on the ceramic matrix is arranged at, the screw is electrically connected with electrode formation；
It is covered in the protective layer of the heating film resistance outer surface.
The ceramic electric heating component of the present invention includes ceramic matrix, heating film resistance, electrode, screw and protective layer.The present invention
The ceramic matrix is preferably the aluminum oxide or aluminium nitride ceramics that purity is not less than 95%, and preferably thermal conductivity >=10W/m.K's dissipates
Thermal Ceramics component.The ceramic matrix is preferably by staying curtain coating, press mold or laser erosion to form given shape, preferably open circles
Cylinder, solid cylinder, rectangular flat, circular flat board, elliptical plate etc. structure.The ceramic matrix is in shaping, shape
Into screw.The present invention does not do specifically limited for the generation type and structure of screw yet.
The electrode is mainly made up of noble metal Au Ag Pt Pd, nickel, copper or its composition, generally by thick film silk-screen side
Formula prepares gained, is combined closely by high temperature sintering with ceramic matrix formation, and provide reliable electrically conducting function.
The heating film resistance is using preferred by nickel-chromium alloy film, oxidative ruthenium membrane, carbon film or thermosensitive material film system
Into.Nickel-chromium alloy film, oxidative ruthenium membrane temperature-coefficient of electrical resistance (T.C.R) are relatively low, material preparation process relative ease；Carbon film or heat
Sensitive film material temperature characteristic is uniform controlled and with specific temperature linearity feature, when being prepared into ceramic electric heating component,
Operating procedure is simple, and preparation temperature is low, and heating resistor stablizes controlled, and resistance value heat drift is small, and resistance value concentrates consistent, resistance by
Control, can also carry out resistance adjustment.Therefore electric-heating assembly heating uniformity, the reliability height prepared.
It is described heating film resistance be arranged on the ceramic matrix, can be arranged at the ceramic matrix a side surface or
On the wall of person side, set according to the shape of ceramic matrix.The heating film resistance uniformity is good, and generate heat constant, temperature coefficient
It is small.The thickness of the heating film resistance is preferably 15~25 microns, more preferably 20~24 microns.The work(of the heating film resistance
Rate is preferably more than 0.5W, can both play a part of heating, has enough power density and caloric value again, using it is reliable,
Safety and environmental protection.When using thermosensitive material film, by controlling or selecting the temperature resistance linear character of thermosensitive material film, also
The heating function with automatic control temp effect can be realized.
The heating film resistance is preferably strip film resistance.The heating film resistance is at least one group, preferably can be with
Including multigroup, multigroup heating film resistance can be structure in series or in parallel.Or, it can also be wanted according to application and circuit design
Ask, resistance is set to noninductive, perceptual or distributed power electric resistance structure, to match application and circuit requirement.It is preferred that, institute
At least one otch on the cross section of heating film resistance is stated, the cross section for film resistance of being generated heat by precise laser cutting is easy to
A part for film resistance of generating heat is directly cut off, reduces the cross-sectional area of heating film resistance, realizes the adjustment of resistance.
Certainly, according to reality, it can also select to be not provided with the laser cut, with the higher power output density of acquisition and just
Beginning temperature characterisitic, while avoiding heater block from heat spot occur, causes part heat spot to burn failure.
According to the present invention, the electrode is arranged on the ceramic matrix, at least two groups of the electrode, with the heating
Film resistance formation electrical connection.One, the electrode is input electrode, and one is output electrode.The present invention is for electrode and heating
The connected mode of film resistance is not particularly limited, electrical connection.
According to the present invention, the protective layer is coated on the heating film resistance outer surface, plays protection heating film resistance
Effect.The protective layer can be with covering part electrode.The protective layer is preferably glass.
According to the present invention, the ceramic electric heating component includes the screw for being arranged at the ceramic matrix surface, the screw
It is electrically connected with electrode formation, top surface that can be for ceramic matrix at the opening of the screw or side.The screw
It is connected with the electrode by side conductive electrode or the electrode is arranged in screw.It is preferred that, the ceramic electric heating component is also
Including the lead that is arranged on the electrode and it is set in insulating sleeve on the lead.The wire and screw match.Institute
Stating wire can also be bolted on the screw.It is preferred that, in addition to graphite ene coatings, the graphite ene coatings are set
It is placed in the upper surface of the ceramic matrix protective layer；Or, the graphite ene coatings are arranged at the remote hair of the ceramic matrix
The other surfaces of hotting mask resistance.
It is described as preferred scheme one, the ceramic electric heating component as shown in figure 1, including the ceramic matrix (11)
Ceramic matrix is cylinder, cylinder inner hollow preferably；
Be arranged at the heating film resistance (13) on the ceramic matrix, the heating film resistance preferably by nickel-chromium alloy film,
Oxidative ruthenium membrane, carbon film or thermosensitive material film are made；The heating film resistance is arranged on the side wall of the ceramic matrix；
The electrode (12) on the ceramic matrix is arranged at, the electrode is two groups, is arranged at the side of the ceramic matrix
On wall, the electrode and the heating film resistance overlap joint；
The screw (17) is arranged at the top surface of the ceramic matrix, and the screw is conductive by side with the electrode (12)
Pole (15) is connected；
It is covered in the protective layer (14) of the heating film resistance outer surface.
In the preferred scheme one, graphite ene coatings can also be included, the graphite ene coatings are coated on the ceramic base
Other surfaces of the body away from heating film resistance, such as：Inner surface or the bottom surface of cylindrical hollow can be coated on.Or, it is described
Graphite ene coatings are arranged at the upper surface of the ceramic matrix protective layer.
In described preferred scheme one, as shown in figs. 2 to 4, heating film resistance (13) preferably has multigroup, and parallel connection is even
Connect, the ceramic electric heating component also includes the lead (16) being arranged on the electrode (12) and is set in exhausted on the lead
Edge sleeve pipe (18).The wire and screw (17) match.The wire can also be bolted on the screw.
In described preferred scheme one, as shown in fig. 6, it is preferred that the screw (17) be arranged at the ceramic matrix
Sideways, the electrode is arranged in screw.The ceramic electric heating component also includes the lead being arranged on the electrode and is arranged
Insulating sleeve on the lead.The wire and screw match.
As preferred scheme two, the ceramic electric heating component is as shown in fig. 7, shown ceramic electric heating component includes：
Ceramic matrix (11), the ceramic matrix is slab construction；It is arranged at the heating film on the ceramic matrix (11)
Resistance, the heating film resistance preferably by nickel-chromium alloy film, oxidative ruthenium membrane, carbon film or or thermosensitive material film be made；
The heating film resistance is arranged at the surface of the ceramic matrix side；
The electrode is arranged in screw；
The electrode is two groups or more；
The heating film resistance (13) overlaps with the electrode (12), forms electrical connection；
It is covered in the protective layer (14) of the heating film resistance outer surface.
In the preferred scheme two, graphite ene coatings can also be included, the graphite ene coatings are coated on the ceramic base
The surface of body opposite side or the upper surface for being arranged at the ceramic matrix protective layer.
The invention also discloses a kind of preparation method of ceramic electric heating component, comprise the following steps：
(1) ceramic matrix with screw is obtained through shaping；
(2) electrode is set on the ceramic matrix, and the screw is electrically connected with electrode formation；
(3) it is obtaining being connected with electrode by thick film silk-screen, pad pasting evaporation or sputtering mode and be arranged at the ceramic base
Heating film resistive element on body；
(4) protective layer of covering resistive element is formed by thick film silk-screen mode on a ceramic substrate, ceramic electric heating group is obtained
Part.
According to the present invention, the ceramic matrix with screw is obtained through shaping first.The ceramic matrix be preferably purity not
Aluminum oxide or aluminium nitride ceramics less than 95%.The ceramic matrix is preferably by staying curtain coating, press mold or laser erosion to form spy
Shape shape, preferably the structure such as hollow cylinder, solid cylinder, rectangular flat, circular flat board, elliptical plate, in shaping
When, screw is formed, the ceramic matrix with screw is obtained.
Electrode is set on the ceramic matrix, and the method for the setting electrode is preferably thick film silk-screen, is concretely comprised the following steps：
Electrode is arranged to the surface of ceramic matrix by silk-screen printing, 600~1000 DEG C of high temperature sinterings are provided with
The ceramic matrix of electrode.
The electrode can be in ceramic matrix top surface or side, selected according to the concrete shape of ceramic matrix.
The screw is electrically connected with electrode formation, and the screw preferably is connected or institute with the electrode by side conductive electrode
Electrode is stated to be arranged in screw.
Set after electrode, it is obtaining being connected with electrode by thick film silk-screen, pad pasting evaporation or sputtering sedimentation and be arranged at institute
State the heating film resistance on ceramic matrix；It is described heating film resistance be nickel-chromium alloy film, oxidative ruthenium membrane, carbon film or or temperature-sensitive it is thin
Membrane material.When the heating film resistance is nickel-chromium alloy film, preferably pottery is arranged at by way of sputtering sedimentation or pad pasting evaporation
On porcelain basal body.The specific steps of the film coating sputtering are preferably：Nickel-chromium alloy is prepared into target, by evaporation, sputtering or
Other depositing operations make resistive film to attachment ceramic matrix surface, by controlling the surface deposit thickness of nickel-chromium alloy, or carry out
Necessity etching electroplating technology, obtains required heating film resistance.When the heating resistor film resistance is oxidative ruthenium membrane, preferably
Be arranged at by thick film silk-screen on ceramic matrix.The specific steps of the thick film silk-screen are preferably：By ruthenium-oxide, binding agent and
Organic solvent etc. is prepared into electric slurry, and ceramic matrix surface is deposited to by silk-screen printing, empty in 600~1000 DEG C of cleanings
Sintered in the continuous tunnel furnace or Muffle furnace of gas atmosphere, obtain film resistance of generating heat.When the heating film resistance is carbon film, the thick film
The specific steps of silk-screen are preferably：Carbon is made as slurry by filler, electrically conductive composition etc., passes through printed deposit to ceramics
Matrix surface, solidifies under the conditions of 300 DEG C of temperature below, obtains film resistance of generating heat.When the heating resistor film resistance is temperature-sensitive
During thin-film material, it is arranged at preferably through thick film silk-screen on ceramic matrix.The specific steps of the thick film silk-screen are preferably：Will
Thermosensitive material film, additive, binding agent or solvent etc. are prepared into electric slurry, and ceramic base body surface is deposited to by silk-screen printing
Face, is sintered in 500~1000 DEG C of atmosphere continuous tunnel furnace or Muffle furnace, carries out resistance screening, aging, obtains the heating film electricity
Resistance.
Set after heating film resistance, pass through the protective layer of thick film silk-screen formation covering heating film resistance on ceramic matrix.
The method of the thick film silk-screen formation protective layer is not particularly limited, according to mode well known to those skilled in the art, institute
It is preferably glass or fire resistant polymer resin to state protective layer.
Formed after protective layer, the process that resistance is also repaiied including laser cutting preferably.Especially, laser is repaiied the process of resistance and also may be used
To be carried out before protective layer is formed.Certainly, according to reality, it can also select to be not provided with the laser cut, it is higher to obtain
Power output density and initial temperature characteristic, while avoiding heater block from heat spot occur, cause part heat spot to burn failure.
It is preferred that, it is additionally included in one side graphene coated coating of the ceramic matrix away from heating film resistance.Particularly, it is described
The method to set up of graphite ene coatings, including dip-coating, spraying or printing etc. mode；
The grapheme material for preparing the selection of graphite ene coatings, its diameter of particle is generally nanostructured, can be system
Standby is water-soluble coating liquid, can also be by resin filler, the heat conduction paste composite of binding agent formation, or passes through other gold
Category oxide or ceramic powders prepare the paste slurry to be formed；It matches in the present invention and does not do special agreement.
The thermal conductivity of graphene powder typically requires to be more than 1000W/m.k, constitutes the material of graphite ene coatings, integrate thermal conductivity
Rate is no less than 25W/m.k.Especially, graphene film layer is when being arranged on heater block, should have enough adhesive force and
Reliability, graphene film thickness is preferably greater than more than 0.2 micron, and more preferably graphene film thickness is more than 2 microns or more.
For a further understanding of the present invention, the ceramic electric heating component provided with reference to embodiment the present invention and its preparation
Method is illustrated, and protection scope of the present invention is not limited by the following examples.
Embodiment 1
By molding obtain tubular 95% aluminium oxide ceramics matrix；In the top surface of ceramic matrix, two spiral shells are set
Hole；
Electrode slurry is printed on the side wall of ceramic matrix, by 850 DEG C of sintering；By between the electrode and screw of formation
Sintering forms side conductive electrode, and side conductive electrode makes electrode and screw formation electrical connection.
By the ruthenium-oxide slurry of preparation, deposited to by mode of printing on the side wall of ceramic matrix, 850 DEG C of process of passing through tunnel stove
Pure air atmospheric condition is sintered, and forms heating film resistance.
Glass paste is coated in the outer surface of heating film resistance by printing, 600 DEG C of sintering of process of passing through tunnel stove are protected
Sheath.
By the heating film resistance being molded using resistive element cross section is cut by laser, by reducing resistive element cross section
Product, reaches the purpose of adjustment resistance.
The lead matched with screw is prepared, both are connected through a screw thread, and insulating sleeve is arranged on the lead.
Graphite ene coatings are coated on to the bottom surface of the ceramic matrix.
The ceramic electric heating component prepared is as shown in Fig. 1~5.Fig. 1 is the side of ceramic electric heating component prepared by embodiment 1
In face structural representation, Fig. 1,11 be ceramic matrix, and 12 be electrode, and 14 be protective layer, and 15 be side conductive electrode, and 16 be lead.
Fig. 2 is that the ceramic electric heating component for applying the preparation of example 1 removes the side structure schematic diagram after protective layer.In Fig. 2,11 be pottery
Porcelain basal body, 12 be electrode, and 13 be side conductive electrode for heating film resistance, 15, and 16 be lead.
In the Screw hole structure schematic diagram for the ceramic electric heating component that Fig. 3 is prepared for embodiment 1, Fig. 3,11 be ceramic matrix, 14
It is screw for protective layer, 17.
Fig. 4 is the pin configuration schematic diagram of ceramic electric heating component prepared by embodiment 1.In Fig. 5,17 be screw, and 18 be exhausted
Edge sleeve pipe.
Fig. 5 is the section cut-outs schematic diagram of ceramic electric heating component heating film resistance prepared by embodiment 1.In Fig. 5,20 be sharp
Light resistance trimming otch.
Embodiment 2
By molding obtain tubular 95% aluminium oxide ceramics matrix；In the side of ceramic matrix, two spiral shells are set
Hole；
Electrode slurry is printed on the side wall of ceramic matrix, sintered by 900 DEG C of continuous tunnel furnaces；Form electrode and screw
Electrical connection.
By the ruthenium-oxide slurry of preparation, deposited to by mode of printing on the side wall of ceramic matrix, by 900 DEG C of continuous tunnel furnaces
Sintering, forms heating film resistance.
Glass paste is coated in the outer surface of heating film resistance by printing, by 600 DEG C of sintering, protective layer is obtained.
The lead matched with screw is prepared, both are connected through a screw thread, and insulating sleeve is arranged on the lead.
Graphite ene coatings are coated on to the bottom surface of the ceramic matrix.
Embodiment 3
95% aluminium oxide ceramics matrix of the slab construction with screw is obtained by laser erosion；Electrode slurry is printed
Brush in screw, sintered by 850 DEG C of continuous tunnel furnaces；
On the surface that the carbon membrane paste material of preparation is deposited to ceramic matrix side by mode of printing, and it is overlapped in electrode
On, solidify by≤300 DEG C of temperature curves, form heating film resistance；The heating film resistance is electrically connected with electrode formation.
Resin slurry is coated in the upper surface of heating film resistance by printing, through oversintering, protective layer is obtained.
The lead matched with screw is prepared, both are connected through a screw thread, and insulating sleeve is arranged on the lead.
Graphite ene coatings are coated on another surface of the ceramic matrix.
The ceramic electric heating component prepared is as shown in Figure 7.Fig. 7 is the structure of ceramic electric heating component prepared by embodiment 3
In schematic diagram, Fig. 7,11 be ceramic matrix, and 12 be electrode, and 13 be heating film resistance, and 16 be lead, and 18 be insulating sleeve.
Embodiment 4
95% aluminium oxide ceramics matrix of the circular flat plate structure with screw is obtained by laser erosion；By electrode slurry
Material is printed in screw, is sintered by 850 DEG C of continuous tunnel furnaces；
Thermosensitive material film, additive, binding agent or solvent etc. are prepared into electric slurry, the electric slurry of preparation is led to
Cross screen printing mode to deposit on the surface of ceramic matrix side, and be overlapped on electrode, burnt by 850 DEG C of temperature curves
Knot, is screened, burin-in process to resistance, obtains the heating film resistance；Laser tune is carried out to established heating film resistance
Resistance；The heating film resistance is electrically connected with electrode formation.
Glass paste is coated in the upper surface of heating film resistance by mode of printing, through oversintering, protective layer is obtained.
The lead matched with screw is prepared, both are bolted, and insulating sleeve is arranged on the lead.
The ceramic electric heating component prepared is as shown in Figure 8.Fig. 8 is the structure of ceramic electric heating component prepared by embodiment 4
In schematic diagram, Fig. 8,11 be ceramic matrix, and 12 be electrode, and 13 be heating film resistance, and 14 be protective layer, and 19 be bolt, and 18 be exhausted
Edge sleeve pipe.Fig. 9 is the structural representation of bolt 19.
The explanation of above example is only intended to the method and its core concept for helping to understand the present invention.It should be pointed out that pair
, under the premise without departing from the principles of the invention, can also be to present invention progress for those skilled in the art
Some improvement and modification, these are improved and modification is also fallen into the protection domain of the claims in the present invention.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (4)
1. a kind of ceramic electric heating component, including：
Cylinder ceramic matrix；
It is arranged at the heating film resistance on the cylinder ceramic base body sidewall；The heating film resistance is thin by ruthenium-oxide or temperature-sensitive
Membrane material is made；
It is arranged at the electrode on the cylinder ceramic base body sidewall, at least two groups of the electrode, with the heating film resistance
Overlap joint；
The screw on the cylinder ceramic matrix top surface is arranged at, the screw is connected by side conductive electrode with the electrode；
It is covered in the protective layer of the heating film resistive surface；The protective layer is glass；
Graphite ene coatings, the graphite ene coatings are arranged at the bottom surface of the cylinder ceramic matrix.
2. ceramic electric heating component according to claim 1, it is characterised in that also include：It is arranged at drawing on the electrode
Line and the insulating sleeve being set on the lead.
3. a kind of preparation method of ceramic electric heating component, comprises the following steps：
（1）The cylinder ceramic matrix with screw is obtained through shaping；
（2）Electrode is set on the cylinder ceramic base body sidewall, and electrode is connected by side conductive electrode with the screw；
（3）Obtain with electrode overlap joint by thick film silk-screen, pad pasting evaporation or sputtering sedimentation and be arranged at the cylinder ceramics
Heating film resistance in base side walls；The heating film resistance is made up of ruthenium-oxide or thermosensitive material film；
（4）By the protective layer of thick film silk-screen formation covering heating film resistance on cylinder ceramic matrix, the protective layer is
Glass；
（5）In the graphene coated coating in bottom surface of the cylinder ceramic matrix, ceramic electric heating component is obtained.
4. preparation method according to claim 3, it is characterised in that the step（3）In, after heating film resistance is obtained
It is additionally included in the laser cut set in the heating film resistance no less than one group.
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| CN105595848A (en) * | 2015-12-21 | 2016-05-25 | 广东天美富硒饮品有限公司 | Nano silicon-ceramic electric heating element applied to instant-heating type water dispenser |
| CN105618353B (en) * | 2016-03-11 | 2018-09-18 | 深圳东睦科技发展有限公司 | baking finish heating plate |
| CN105979614A (en) * | 2016-06-30 | 2016-09-28 | 张飞林 | Electric heater and electronic cigarette |
| CN106073111A (en) * | 2016-08-11 | 2016-11-09 | 浙江诗杭电器有限公司 | A kind of far infrared radiation-proof electric hair drier |
| CN106108341A (en) * | 2016-08-15 | 2016-11-16 | 浙江诗杭电器有限公司 | A kind of hair-dryer |
| CN107257589A (en) * | 2017-04-24 | 2017-10-17 | 颜宏志 | A kind of electric-heating thin film material and preparation method thereof |
| KR102328766B1 (en) * | 2018-11-19 | 2021-11-18 | 니뽄 도쿠슈 도교 가부시키가이샤 | Holding device and manufacturing method of holding device |
| CN111207439B (en) * | 2020-01-13 | 2022-03-08 | 杭州慈源科技有限公司 | Micropore heater structure |
| CN111315051A (en) * | 2020-02-26 | 2020-06-19 | 山东华菱电子股份有限公司 | Heating resistor body slurry capable of achieving quick thermal response |
| CN115974592B (en) * | 2021-10-14 | 2024-03-29 | 深圳市卓力能技术有限公司 | Method for metallizing heating element, and aerosol generating device |
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| CN2456428Y (en) * | 2000-12-28 | 2001-10-24 | 曹正尚 | Constant thermal apparatus |
| JP3953021B2 (en) * | 2003-10-16 | 2007-08-01 | 住友電気工業株式会社 | heater |
| CN103533682A (en) * | 2013-10-25 | 2014-01-22 | 苏州市莱赛电车技术有限公司 | Unidirectional heating device |
| CN103744276B (en) * | 2014-02-12 | 2016-05-25 | 东莞市东思电子技术有限公司 | A kind of preparation method of laser printer thick-film heating components and parts |
| CN204176893U (en) * | 2014-09-10 | 2015-02-25 | 太仓派欧技术咨询服务有限公司 | A kind of Quick energy-saving water heater |
| CN104236063B (en) * | 2014-09-10 | 2017-11-21 | 太仓派欧技术咨询服务有限公司 | A kind of Quick energy-saving water heater |
| CN204231685U (en) * | 2014-11-20 | 2015-03-25 | 国家电网公司 | A kind of far infrared heating system |
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