CN206517625U - A kind of functional membrane ceramic electric heater - Google Patents
A kind of functional membrane ceramic electric heater Download PDFInfo
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- CN206517625U CN206517625U CN201621334887.9U CN201621334887U CN206517625U CN 206517625 U CN206517625 U CN 206517625U CN 201621334887 U CN201621334887 U CN 201621334887U CN 206517625 U CN206517625 U CN 206517625U
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- functional membrane
- earthenware
- ceramic electric
- heating
- electric heating
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Abstract
The utility model belongs to electric heating assembly technical field, heating wire etc. is buried in pipe to solve existing electrothermal tube, easily burning causes failure, and temperature improves slow, and there is provided a kind of functional membrane ceramic electric heater for the problems such as wasting the energy.Including earthenware, it is heating and curing in the functional membrane ceramic electric heating coating on earthenware, the electrode retention bar that earthenware two ends or two ends and midfeather are printed；Functional membrane ceramic electric heating coating top solidifies insulating protective layer.Quick heating, steady with respect to heating area increase, the ceramic electric heating water pipe power of two end electrodes 400mm length reaches 100w, and temperature is up to 500 DEG C, and the ceramic electric heating water pipe power of 3 electrodes reaches 400w.Temperature difference is less than ± 12 DEG C on functional membrane ceramic coating, it is therefore prevented that the problem of local temperature is too high damages heating tube；After testing, thermal conversion rate can also reach more than 98%.Energy consumption is reduced, resource has been saved, the energy is saved.
Description
Technical field
The utility model belongs to electrical heating elements technical field, and in particular to a kind of functional membrane ceramic electric heater.
Background technology
Existing electrothermal tube composition, mainly after energization, utilizes hair in caliber inwall heeling-in circle around the heating filament of shaping
Hot line silk produces hyperpyrexia and is sent to heating outer tube to be engaged in heating work, but known electrothermal tube easily causes resistance because of overheat
Silk burn damages, particularly sky burn when can moment fusing, its not only fault rate height, there is serious potential safety hazard.
Application No. 201010523999.X, it is entitled《Microcrystalline ceramic electric heating energy storage composite tube》It is micro- there is provided one kind
Brilliant ceramic electric heating energy storage multiple tube, it integrates heating, energy storage, heat release function；Using, safeguard and install it is all very convenient.Its
Tube wall is composited by inner insulating layer, electric heating layer and external insulation layer, shell successively from inside to outside, and inner insulating layer and external insulation are protected
Sheath is made of micro-crystalline ceramic material, and energy storage material, heat conduction cage, thermally conductive sheet are enclosed in pipe and led by end casing by the two ends of shell
Hot cage is made three-dimensional structure and is embedded in energy storage material；Thermally conductive sheet will be equipped with being separated into inside the multiple tube of energy storage material and heat conduction cage
Multiple energy-storing chambers, use star-star connection or delta connection between electric heating energy-storage multiple tube and power supply.The present invention is adapted to various storages
Can device using can apply in the different field such as industrial, agriculture, civilian.But the ceramic electric heating energy storage multiple tube is still
It is to use to be embedded with wiring, easily occurs the problem of heating wire blows damage, still there is potential safety hazard.
Application No. 201010563729.1, it is entitled《Quartz heating-pipe》Patent of invention in provide a kind of quartz plus
Heat pipe.The quartz heating-pipe includes quartzy tube body, and inner tube is in-line, and inner tube is located in the bottom transverse tube of the middle pipe,
It is axially disposed in inner tube to have nickel chromium triangle lectrothermal alloy wire, it is connected with electrode with nickel chromium triangle lectrothermal alloy wire；Middle pipe is zigzag, middle pipe
Bottom transverse tube be heating zone, the middle part vertical tube of middle pipe is heat transfer zone, and the upper crosstalk tube of middle pipe is cooling zone.The quartz heating-pipe
It is electrically heated using nickel-chromium resistance wire, it consumes energy, and high, thermal conversion rate is low, and service life is short, causes quartz heating-pipe often to need
Change, thus bring inconvenience.
Application No. 201410395337.7, it is entitled《A kind of manufacture method of ceramic heater》Patent of invention, carry
A kind of manufacture method of ceramic heater has been supplied, has been comprised the following steps：(1) carborundum and luteium oxide are mixed and is put into ball mill；
(2) organic monomer acrylamide and crosslinking agent methylene-bisacrylamide are dissolved in deionized water, then stirred with constant temperature magnetic force
Device stirring is mixed, stirring forms uniform auxiliary agent slurry；(3) ball mill is fixed on after auxiliary agent slurry being injected into ball grinder and sealing
On, ball milling formation mixed slurry；(4) after the completion of ball milling, it is degasification under -10000Pa that mixed slurry is placed in into vacuum, is excluded mixed
Close the bubble in slurry；(5) mixed slurry after degasification is poured out, is put into heat drying in vacuum drying oven, with nickel chromium triangle after drying
Heating wire is put into graphite jig together；(6) under N2 atmosphere protections, heat, pottery is made in pressurization, heat-insulation pressure keeping, hot pressed sintering
Porcelain heater.The present invention can produce that big, lightweight size, quick heating, thermal uniformity be good and ceramic heater of insulation safety.
Prepared ceramic heater is also to carry out electrified regulation by nichrome wire, and nichrome wire makes in hot environment
With surface can form protective oxide film, and oxide-film is deposited over time and can occur aging, and formation is continuously generated and broken
Bad cyclic process, i.e. the process that this process electric furnace heating wire inner element is constantly consumed, the continuous consumption of heating wire, cause
Service life is also just reduced, and the thermal conversion rate reduction of heating wire.
The content of the invention
The utility model buries heating wire etc. to solve existing electrothermal tube in pipe, and easily burning causes failure,
And temperature improves slow, there is provided a kind of functional membrane ceramic electric heater for the problems such as wasting the energy.
The utility model is realized by following technical scheme：A kind of functional membrane ceramic electric heater, including earthenware, heating
Solidify in the functional membrane ceramic electric heating coating on earthenware, the electrode retention that earthenware two ends or two ends and midfeather are printed
Bar；Functional membrane ceramic electric heating coating top solidifies insulating protective layer.
The earthenware is milky white quartz glass tube or corundum ceramic pipe.The electrode retention bar is symmetrically set in earthenware two
End, respectively both positive and negative polarity, or 3 electrode retention bar both positive and negative polarity intervals are laid in earthenware two ends and centre；Electrode dams bar
It is slug type conductive silver paste sintering curing on functional membrane ceramic electric heating coating.The functional membrane ceramic electric heating coating layer thickness is
0.1-0.15mm.The a diameter of 30mm of earthenware, a length of 400mm, thickness is 2-5mm.
Functional membrane ceramic electric heating coating using functional membrane ceramic resistor slurry printing forms, functional membrane ceramic resistor slurry by
The raw material of following parts by weight is prepared from：50-100 parts of conducting particles, 100-150 parts of primary binder, resident binding agent 200-
500 parts, 100 parts of diluent, 25-50 parts of fluxing agent, 25-35 parts of slug type conductive silver paste；Wherein：Conducting particles is F-1 scales
Graphite powder, phosphorus content is 99.99%；The primary binder and diluent are that 60% terpinol by weight and 40% glycerine are mixed
Uniformly；The resident binding agent is the glass micro mist of 300 mesh；The fluxing agent is boric acid.
Optimum ratio is：70 parts of conducting particles, 120 parts of primary binder, resident 350 parts of binding agent, 100 parts of diluent,
35 parts of fluxing agent, 30 parts of slug type conductive silver paste；Wherein：Conducting particles is F-1 crystalline graphite powders, and phosphorus content is 99.99%；Institute
It is that 60% terpinol by weight and 40% glycerine are well mixed to state primary binder and diluent；The resident binding agent is 300
Purpose glass micro mist；The fluxing agent is boric acid.
The preparation method of functional membrane ceramic electric heater, comprises the following steps：
（1）Prepare film layer resistance slurry：First conducting particles is well mixed with primary binder in proportion, is then resident
Fluxing agent and diluent are added in binding agent, binding agent dissolving is resident, the resident binding agent of dissolving is added and primary binder
In the conducting particles of mixing, resident binding agent wraps up conducting particles；
（2）Printed resistor film layer：Earthenware is dried, and the film layer resistance slurry prepared is used to the silk screen of 100-200 mesh
It is printed on the earthenware of drying；
（3）Precuring：The earthenware for being printed with resistive layer is placed in sinter molding in 700 DEG C of high-temperature heaters；
（4）Print electrode and sinter：Conductive silver paste is symmetrically printed on to the both sides of earthenware with the silk screen of 100-200 mesh
Or interval is printed on the both sides and centre of earthenware, electrode retention bar is formed, 250-300 DEG C of low temperature drying is then placed on
Precuring 100-200s in device；
（5）Print insulating protective layer, sinter molding：It will be printed with the earthenware of electrode retention bar and use 100-200 mesh
Silk-screen printing insulating protective layer, be then placed on sinter molding in 700-720 DEG C of high-temperature heater, be prepared into a kind of function
Film ceramic electric heater.
Conducting particles is F-1 flaky graphites, and carbon containing is 99.99%, higher with preferable pliability, antioxygenic property
Electric conductivity, lightweight, heat conduction is uniform, with good inoxidizability, the features such as high temperature resistant.Primary binder is sticky glues
Mixture, before precuring, terpinol and glycerine are non-volatile thoroughly, and primary bonding is flooded with around the conducting particles in resistive layer
Agent, conducting particles is by primary binder fluffy；When heat up precuring when, coating is put into stove several seconds primary binders just can be with
Volatilization is thorough, the space shared by this moment sticky primary binder formed left in substantial amounts of microscopic pinholes, film layer it is substantial amounts of
Aperture reduces in microscopic pinholes, temperature-rise period, causes film to compress, and so into film toughness increase, also improves flexibility, so
The cracking of film forming is reduced, playing prevents the specific function of film layer freedom from cracking.
Resident binding agent is 300 mesh glass micro mists, belongs to filmogen, and the material is helped, it is necessary to add being mixed into stokehold
Flux boric acid dissolves it, and beneficial to the rapid softening film-like in high temperature furnace, and glass micro mist is cooled into after sintering fusing
Firmly consolidate layer forever, because conducting particles is parcel and in glass micro mist, therefore glass micro mist uniformly fixes conducting particles
In prepared ceramic pipe surface, semiconductor aspect is formd, occurs heating heating after energization at once.And glass micro mist and fluxing
Mutually melting for agent, enables glass micro mist uniformly to brush in ceramic pipe surface, and can soften film forming rapidly in high temperature furnace, such as
Fruit is difficult to melt without fluxing agent, glass micro mist, it is also difficult to wrap up conducting particles, and the fusing time of conductive layer increases, Electric radiant Heating Film
Easily produce cracking.Fluxing agent can also reduce sintering temperature, while shortening hardening time, in the presence of fluxing agent, melt
The membrane structure of the glass micro mist formation of change is compact uniform, and imparts certain elasticity, reduces the cracking destruction of film forming.
The terpinol of diluent and the mixed liquor of glycerine, because glass micro mist is dissolved in boric acid, add glycerine and pine tar
The mixed liquor of alcohol, makes glass micro mist be further dissolved in the mixed liquor of glycerine and terpinol, the solution and conductive particle of glass micro mist
During sub- graphite powder liquid mixing so that glass micro mist can be such that conducting particles uniformly applies conducting particles parcel wherein after sintering
Cover.
In printing process, it is considered to which the slurry prepared is aerial, which to be easy to volatilization, makes slurry be hardened, and influences resistive film
The stability of layer power, it is therefore necessary to the diluent before precuring, in favor of the stability of resistive layer power.
Slug type conductive silver paste, is a kind of special conductive silver paste of slug type, can be selected according to the solid content of conductive silver paste
The mesh number of all silk screens is printed, according to power and the size of heating surface (area) (HS, the width of printing respective electrode retention bar, length.
The functional membrane ceramic resistor slurry viscosity prepared is toothpaste-like, and if too thick, hardness is too big, during printing
Easy became uneven, causes resistive layer power unstable and is easy to burst, make the prepared heater members lost of life；If adjusted
If viscosity processed is too dilute, shady wet phenomenon easily occurs during printing, causes resistive layer power unstable, also easy influence hair
The life-span of thermal device.
Solidified using 700-720 DEG C of high temperature sintering, power consumption can be reduced, save sintering time, and life can also be improved
Produce speed.
Selected primary binder, resident binding agent and diluent can also use high-temperature toughened glass printing ink to substitute.
Conducting particles is added in tempering ink, fluxing agent is then added, then silk-screen printing, screen printing electrode retention bar, pre-
Solidification, printing insulating protective layer, last sinter molding.Prepared functional membrane ceramic resistor and 60% terpinol of use and 40% are sweet
The well mixed primary binder prepared of oil and diluent, the glass micro mist of 300 mesh are used as the function prepared by resident binding agent
Film ceramic resistor power is consistent.
Compared with prior art：The utility model electro-thermal coatings are functional membrane ceramic electric heating coating, improve pliability, are assigned
The elasticity that film is certain is given, the effect of anti-cracking is improved, conducting particles is uniformly coated, improves resistive layer power stability, energy
Enough reduction power consumptions, save sintering time, and can also improve speed of production.Because prepared resistive layer has necessarily
Pliability and elasticity, can prevent the fast energy-saving functional membrane ceramic electric heating water pipe prepared to be cracked during heating use
And cause the reduction of product service life, the service life of ceramic electric heating water pipe is extended, the energy is saved.
The functional membrane ceramic coating of coating is relatively thin, and the functional membrane ceramic electric heater integral thickness of preparation is relatively thin, but phase
To heating area increase, heating area is whole functional membrane ceramic coating, is 100 times of resistance wire, 50 times of electrothermal tube, heating
It hurry up, surely, 500 DEG C, the ceramics of the 400mm length of two end electrodes can be reached in the ceramic electric heating conduit temperature short time of 400mm length
Electric water heating pipe power can reach 100w, and be spaced the ceramic electric heating water pipe power for laying 3 electrodes or even can reach 400w.
Functional membrane ceramic coating temperature is uniform, and temperature difference is less than ± 1-2 DEG C on coating, it is therefore prevented that because local temperature is too high and damages and adds
The problem of heat pipe；After testing, thermal conversion rate can also reach more than 98%.Water residence time in pipe is long so that the heating temperature of water
Degree rises soon, and then reduces energy consumption, has saved resource, has saved the energy.
Brief description of the drawings
Fig. 1 is structural representation described in the utility model embodiment 1；Fig. 2 is that structure described in the utility model embodiment 2 is shown
It is intended to.
In figure：1- earthenwares；2- functional membrane ceramic electric heating coatings；3- electrodes retain bar；4- insulating protective layers.
Embodiment
Embodiment 1：A kind of functional membrane ceramic electric heater, including earthenware 1, are heating and curing in the function on earthenware 1
Film ceramic electric heating coating 2, the electrode retention bar 3 of earthenware two ends printing；Functional membrane ceramic electric heating coating top is also solidified with absolutely
Edge overcoat 4.
The earthenware is milky white quartz glass tube or corundum ceramic pipe.The electrode retention bar is symmetrically set in earthenware two
End, respectively both positive and negative polarity, the electrode bar that dams is slug type conductive silver paste sintering curing on functional membrane ceramic electric heating coating.It is described
Functional membrane ceramic electric heating coating layer thickness is 0.15mm.The a diameter of 30mm of earthenware, a length of 400mm, thickness is 2mm.
The functional membrane ceramic electric heating coating is formed using the printing of functional membrane ceramic resistor slurry, functional membrane ceramic electrical plasma resistance
Material is prepared from by the raw material of following parts by weight：It is 50 parts of conducting particles, 100 parts of primary binder, resident 200 parts of binding agent, dilute
Release 100 parts of agent, 25 parts of fluxing agent, 25 parts of slug type conductive silver paste；Wherein：Conducting particles is F-1 crystalline graphite powders, and phosphorus content is
99.99%；The primary binder and diluent are that 60% terpinol by weight and 40% glycerine are well mixed；It is described resident viscous
Tie the glass micro mist that agent is 300 mesh；The fluxing agent is boric acid.
Embodiment 2：A kind of functional membrane ceramic electric heater, 3 electrode retention bar both positive and negative polarity intervals are laid in earthenware two
End and centre；The functional membrane ceramic electric heating coating layer thickness is 0.12mm.The a diameter of 30mm of earthenware, a length of 400mm are thick
For 3.5mm.Structure described in remaining structure be the same as Example 1.
The functional membrane ceramic electric heating coating is formed using the printing of functional membrane ceramic resistor slurry, functional membrane ceramic electrical plasma resistance
Material is prepared from by the raw material of following parts by weight：It is 70 parts of conducting particles, 120 parts of primary binder, resident 350 parts of binding agent, dilute
Release 100 parts of agent, 35 parts of fluxing agent, 30 parts of slug type conductive silver paste；Wherein：Conducting particles is F-1 crystalline graphite powders, and phosphorus content is
99.99%；The primary binder and diluent are that 60% terpinol by weight and 40% glycerine are well mixed；It is described resident viscous
Tie the glass micro mist that agent is 300 mesh；The fluxing agent is boric acid.
Embodiment 3：A kind of functional membrane ceramic electric heater, 3 electrode retention bar both positive and negative polarity intervals are laid in earthenware two
End and centre；The functional membrane ceramic electric heating coating layer thickness is 0.15mm.The a diameter of 30mm of earthenware, a length of 400mm are thick
For 5mm.Structure described in remaining structure be the same as Example 1.
The functional membrane ceramic electric heating coating is formed using the printing of functional membrane ceramic resistor slurry, functional membrane ceramic electrical plasma resistance
Material is prepared from by the raw material of following parts by weight：It is 100 parts of conducting particles, 150 parts of primary binder, resident 500 parts of binding agent, dilute
Release 100 parts of agent, 50 parts of fluxing agent, 35 parts of slug type conductive silver paste；Wherein：Conducting particles is F-1 crystalline graphite powders, and phosphorus content is
99.99%；The primary binder and diluent are that 60% terpinol by weight and 40% glycerine are well mixed；It is described resident viscous
Tie the glass micro mist that agent is 300 mesh；The fluxing agent is boric acid.
The preparation method of functional membrane ceramic electric heater, comprises the following steps：
（1）Prepare film layer resistance slurry：First conducting particles is well mixed with primary binder in proportion, is then resident
Fluxing agent and diluent are added in binding agent, binding agent dissolving is resident, the resident binding agent of dissolving is added and primary binder
In the conducting particles of mixing, resident binding agent wraps up conducting particles；
（2）Printed resistor film layer：Earthenware is dried, and the film layer resistance slurry prepared is used to the silk screen of 100-200 mesh
It is printed on the earthenware of drying；
（3）Precuring：The earthenware for being printed with resistive layer is placed in sinter molding in 700 DEG C of high-temperature heaters；
（4）Print electrode and sinter：Conductive silver paste is symmetrically printed on to the both sides of earthenware with the silk screen of 100-200 mesh
Or interval is printed on the both sides and centre of earthenware, electrode retention bar is formed, 250-300 DEG C of low temperature drying is then placed on
Precuring 100-200s in device；
（5）Print insulating protective layer, sinter molding：It will be printed with the earthenware of electrode retention bar and use 100-200 mesh
Silk-screen printing insulating protective layer, be then placed on sinter molding in 700-720 DEG C of high-temperature heater, be prepared into functional membrane pottery
Porcelain electric heater.
Conducting particles is F-1 flaky graphites, and carbon containing is 99.99%, higher with preferable pliability, antioxygenic property
Electric conductivity, lightweight, heat conduction is uniform, with good inoxidizability, the features such as high temperature resistant.Primary binder is sticky glues
Mixture, before precuring, terpinol and glycerine are non-volatile thoroughly, and primary bonding is flooded with around the conducting particles in resistive layer
Agent, conducting particles is by primary binder fluffy；When heat up precuring when, coating is put into stove several seconds primary binders just can be with
Volatilization is thorough, the space shared by this moment sticky primary binder formed left in substantial amounts of microscopic pinholes, film layer it is substantial amounts of
Aperture reduces in microscopic pinholes, temperature-rise period, causes film to compress, and so into film toughness increase, also improves flexibility, so
The cracking of film forming is reduced, playing prevents the specific function of film layer freedom from cracking.
Resident binding agent is 300 mesh glass micro mists, belongs to filmogen, and the material is helped, it is necessary to add being mixed into stokehold
Flux boric acid dissolves it, and beneficial to the rapid softening film-like in high temperature furnace, and glass micro mist is cooled into after sintering fusing
Firmly consolidate layer forever, because conducting particles is parcel and in glass micro mist, therefore glass micro mist uniformly fixes conducting particles
In prepared ceramic pipe surface, semiconductor aspect is formd, occurs heating heating after energization at once.And glass micro mist and fluxing
Mutually melting for agent, enables glass micro mist uniformly to brush in ceramic pipe surface, and can soften film forming rapidly in high temperature furnace, such as
Fruit is difficult to melt without fluxing agent, glass micro mist, it is also difficult to wrap up conducting particles, and the fusing time of conductive layer increases, Electric radiant Heating Film
Easily produce cracking.Fluxing agent can also reduce sintering temperature, while shortening hardening time, in the presence of fluxing agent, melt
The membrane structure of the glass micro mist formation of change is compact uniform, and imparts certain elasticity, reduces the cracking destruction of film forming.
The terpinol of diluent and the mixed liquor of glycerine, because glass micro mist is dissolved in boric acid, add glycerine and pine tar
The mixed liquor of alcohol, makes glass micro mist be further dissolved in the mixed liquor of glycerine and terpinol, the solution and conductive particle of glass micro mist
During sub- graphite powder liquid mixing so that glass micro mist can be such that conducting particles uniformly applies conducting particles parcel wherein after sintering
Cover.
In printing process, it is considered to which the slurry prepared is aerial, which to be easy to volatilization, makes slurry be hardened, and influences resistive film
The stability of layer power, it is therefore necessary to the diluent before precuring, in favor of the stability of resistive layer power.
Slug type conductive silver paste, is a kind of special conductive silver paste of slug type, can be selected according to the solid content of conductive silver paste
The mesh number of all silk screens is printed, according to power and the size of heating surface (area) (HS, the width of printing respective electrode retention bar, length.
The functional membrane ceramic resistor slurry viscosity prepared is toothpaste-like, and if too thick, hardness is too big, during printing
Easy became uneven, causes resistive layer power unstable and is easy to burst, make the prepared heater members lost of life；If adjusted
If viscosity processed is too dilute, shady wet phenomenon easily occurs during printing, causes resistive layer power unstable, also easy influence hair
The life-span of thermal device.
Solidified using 700-720 DEG C of high temperature sintering, power consumption can be reduced, save sintering time, and life can also be improved
Produce speed.
Selected primary binder, resident binding agent and diluent can also use high-temperature toughened glass printing ink to substitute.
Conducting particles is added in tempering ink, fluxing agent is then added, then silk-screen printing, screen printing electrode retention bar, pre-
Solidification, printing insulating protective layer, last sinter molding.Prepared functional membrane ceramic resistor and 60% terpinol of use and 40% are sweet
The well mixed primary binder prepared of oil and diluent, the glass micro mist of 300 mesh are used as the function prepared by resident binding agent
Film ceramic resistor power is consistent.
The functional membrane ceramic coating of coating is relatively thin, the fast energy-saving functional membrane ceramic electric heating water pipe integral thickness of preparation compared with
It is thin, but relative heating area increase, heating area is whole functional membrane ceramic coating, is 100 times of resistance wire, electrothermal tube
It is 50 times, quick heating, steady, it can reach 500 DEG C, the 400mm of two end electrodes in the ceramic electric heating conduit temperature short time of 400mm length
Long ceramic electric heating water pipe power can reach 100w, and be spaced lay the ceramic electric heating water pipe power of 3 electrodes even can be with
Reach 400w.Functional membrane ceramic coating temperature is uniform, and temperature difference is less than ± 1-2 DEG C on coating, it is therefore prevented that because of local temperature mistake
It is high and the problem of damage heating tube；After testing, thermal conversion rate can also reach more than 98%.Water residence time in pipe is long so that
The heating-up temperature of water rises soon, and then reduces energy consumption, has saved resource, has saved the energy.
Claims (4)
1. a kind of functional membrane ceramic electric heater, it is characterised in that：Including earthenware（1）, it is heating and curing in the work(on earthenware
Can film ceramic electric heating coating（2）, the electrode retention bar that earthenware two ends or two ends and midfeather are printed（3）；Functional membrane is made pottery
Solidification insulating protective layer at the top of porcelain electro-thermal coatings（4）.
2. a kind of functional membrane ceramic electric heater according to claim 1, it is characterised in that：The earthenware is milky white stone
English glass tube or corundum ceramic pipe.
3. a kind of functional membrane ceramic electric heater according to claim 1, it is characterised in that：The electrode retention bar is symmetrical
Earthenware two ends are laid in in located at earthenware two ends, respectively both positive and negative polarity, or 3 electrode retention bar both positive and negative polarity intervals
Between；Electrode dam bar for slug type conductive silver paste sintering curing on functional membrane ceramic electric heating coating.
4. a kind of functional membrane ceramic electric heater according to claim 1, it is characterised in that：The functional membrane ceramic electric heating
Coating layer thickness is 0.1-0.15mm；The a diameter of 30mm of earthenware, a length of 400mm, thickness is 2-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621334887.9U CN206517625U (en) | 2016-12-07 | 2016-12-07 | A kind of functional membrane ceramic electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621334887.9U CN206517625U (en) | 2016-12-07 | 2016-12-07 | A kind of functional membrane ceramic electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206517625U true CN206517625U (en) | 2017-09-22 |
Family
ID=59862269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621334887.9U Expired - Fee Related CN206517625U (en) | 2016-12-07 | 2016-12-07 | A kind of functional membrane ceramic electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206517625U (en) |
-
2016
- 2016-12-07 CN CN201621334887.9U patent/CN206517625U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170922 Termination date: 20171207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |