CN103889076A - Electric heating wire with insulation layer and method for processing electric heating wire with insulation layer - Google Patents
Electric heating wire with insulation layer and method for processing electric heating wire with insulation layer Download PDFInfo
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- CN103889076A CN103889076A CN201410037823.1A CN201410037823A CN103889076A CN 103889076 A CN103889076 A CN 103889076A CN 201410037823 A CN201410037823 A CN 201410037823A CN 103889076 A CN103889076 A CN 103889076A
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Abstract
The invention provides an electric heating wire with an insulation layer and a method for processing the electric heating wire with an insulation layer, relating to the field of an indirectly heated type electric heater processing method. A problem of short circuit caused by the contact and connection of adjacent coils due to deformation of an electric heating wire of an indirectly heated type electric heater of an existing ceramic gas sensor and an electric heating wire of an indirectly heated type electric heater manufactured by using an existing processing method used in high temperature is solved. The surface of the electric heating wire of the indirectly heated type electric heater is coated by an insulation layer with the thickness of 2 microns to 3 microns. The material of the insulation layer is a metal oxide which is a mixture of one or more components in the group comprising aluminium oxide, zirconium dioxide, silicon dioxide and titanium dioxide. The electric heating wire and the method are specifically applied to a heater of an oxygen sensor, a combustible gas sensor, a humidity sensor or the like.
Description
Technical field
The present invention relates to heater-type heater processing method field.
Background technology
Ceramic gas sensor (as lambda sensor, combustible gas sensor, humidity sensor) need to could normally be worked mostly under certain temperature conditions, and heater-type heater is widely adopted because it is manufactured simply, cost is low.Heater-type heater is by helically wound heating wire solenoid coil, energising heating forms temperature in coil, for ceramic gas sensor provides stable working temperature, the heater coil spacing of close winding forming is little, arrangement is closely even, and it adds, and thermal temperature field is even, heating efficiency is high.Because heating wire applied at elevated temperature produces distortion, make between adjacent windings contact, connect, and cause short circuit phenomenon, cause that temperature is inhomogeneous, temperature is unstable.
Summary of the invention
The present invention is the heating wire of the heater-type heater in order to solve existing ceramic gas sensor and the heating wire that utilizes the heater-type heater of existing processing method manufacture, because applied at elevated temperature produces distortion, make contact between adjacent windings, connect, thereby cause the problem of short circuit, the invention provides a kind of with the heating wire of insulating barrier and with the processing method of the heating wire of insulating barrier.
A kind of heating wire with insulating barrier, it comprises the heating wire of heater-type heater, the surface of the heating wire of described heater-type heater is covered with a layer insulating, the thickness of this insulating barrier is 2～3 microns, the material of this insulating barrier is metal oxide, and described metal oxide is one or more the mixture in alundum (Al2O3), zirconium dioxide, silicon dioxide or titanium dioxide.
With the processing method of the heating wire of insulating barrier, the method is that the heating wire based on heater-type heater is realized, and the concrete steps of the method are,
The first step, at heating wire surface uniform dip-coating one deck insulating properties metal-oxide powder coating paste of heater-type heater, described insulating properties metal-oxide powder coating paste is after being mixed with adhesive by metal-oxide powder, after adding again deionized water to mix, formulated;
Second step, the heating wire of heater-type heater is taken out from insulating properties metal-oxide powder coating paste, be clipped in unsettled placement on jig and, after 8 to 12 minutes, put into baking oven, at 120 ℃, dry after 1 hour and take out;
The 3rd step, heating wire energising heating to heater-type heater, solidify the insulating properties metal-oxide powder coating paste on the heating wire surface of heater-type heater, forms the insulating barrier of uniform 2～3 microns at the heating wire face of heater-type heater.
The beneficial effect that the present invention brings is, provide a kind of with the heating wire of insulating barrier and with the processing method of the heating wire of insulating barrier, be covered with a layer insulating on the surface of the heating wire of heater-type heater, after increasing above-mentioned insulating barrier, do not affecting under the prerequisite of radiating effect, make to be in contact with one another and can not to cause short circuit between the adjacent windings of the heating wire of heater-type heater after deformation, be covered with a layer insulating on the surface of the heating wire of heater-type heater, to improve the insulating properties on heater strip surface, the thermal stability of non-oxidizability and heater, improve the heating wire short circuit phenomenon in applied at elevated temperature process, the insulating properties on the heating wire surface of heater-type heater, the thermal stability of non-oxidizability and heater has all improved more than 20%.Of the present invention a kind of with the heating wire of insulating barrier and be applicable to manufacture the heater of ceramic gas sensor (as lambda sensor, combustible gas sensor, humidity sensor) with the processing method of the heating wire of insulating barrier.
Accompanying drawing explanation
Fig. 1 is the flow chart of the processing method of the heating wire with insulating barrier described in embodiment three.
Embodiment
Embodiment one: a kind of heating wire with insulating barrier described in present embodiment, it comprises the heating wire of heater-type heater, the surface of the heating wire of described heater-type heater is covered with a layer insulating, the thickness of this insulating barrier is 2～3 microns, the material of this insulating barrier is metal oxide, and described metal oxide is one or more the mixture in alundum (Al2O3), zirconium dioxide, silicon dioxide or titanium dioxide.
In present embodiment, in the time that the material of insulating barrier is one or more the mixture in alundum (Al2O3), zirconium dioxide, silicon dioxide or titanium dioxide, the quality proportioning of each constituent of this mixture can be chosen arbitrary value as required.
Embodiment two: the difference of a kind of heating wire with insulating barrier described in present embodiment and embodiment one is, the material of the heating wire of described heater-type heater is nickel filament, platinum filament or platinoiridita silk.
Embodiment three: referring to Fig. 1, present embodiment is described, the processing method of the heating wire with insulating barrier described in present embodiment, the method is that the heating wire based on heater-type heater is realized, the concrete steps of the method are,
The first step, at heating wire surface uniform dip-coating one deck insulating properties metal-oxide powder coating paste of heater-type heater, described insulating properties metal-oxide powder coating paste is after being mixed with adhesive by metal-oxide powder, after adding again deionized water to mix, formulated;
Second step, the heating wire of heater-type heater is taken out from insulating properties metal-oxide powder coating paste, be clipped in unsettled placement on jig and, after 8 to 12 minutes, put into baking oven, at 120 ℃, dry after 1 hour and take out;
The 3rd step, heating wire energising heating to heater-type heater, solidify the insulating properties metal-oxide powder coating paste on the heating wire surface of heater-type heater, forms the insulating barrier of uniform 2～3 microns at the heating wire face of heater-type heater.
Embodiment four: present embodiment is described referring to Fig. 1, the difference of the processing method of the heating wire with insulating barrier described in present embodiment and embodiment three is, the mixture that insulating properties metal-oxide powder coating paste described in the first step is made up of metal-oxide powder, adhesive and deionized water, wherein, the scope of the quality proportioning of metal-oxide powder, adhesive and deionized water is from 1:1:1 to 1:1:2.。
Embodiment five: the difference of the processing method of the heating wire with insulating barrier described in present embodiment and embodiment four is, the energising of the heating wire to heater-type heater heating described in the 3rd step, make the curing detailed process of insulating properties metal-oxide powder coating paste on the heating wire surface of heater-type heater be, make the heating wire surface temperature of heater-type heater under the condition of 800～1000 ℃, keep 5 to 12 hours.
In present embodiment, with coil winding machine, the heating wire of Φ 0.4mm is turned on the mandrel of Φ 3mm to the heater coil of 16 circles, insulating properties metal-oxide powder coating paste is in alundum (Al2O3) powder: phosphate adhesive: 50 grams of the ratio preparations that deionized water is 1:1:2, ground and mixed in mortar, heater coil is immersed in slurry, after taking-up, be clipped on jig unsettled placement after 10 minutes, put into baking oven and at 120 ℃, dry taking-up in 1 hour, coil point is welded in to two Φ 0.2mm in sensor base, on the lead-in wire of 30mm length, the stress producing to reduce heating wire high temperature deformation, pedestal is connected with DC power supply, energising heating, make heating wire surface temperature under the condition of 800 ℃, keep being cured for 5 to 12 hours, after solidifying, form the alumina powder jointed insulating coating of uniform 2～3 microns on heating wire surface.
Embodiment six: the difference of the processing method of the heating wire with insulating barrier described in present embodiment and embodiment five is, the energising of the heating wire to heater-type heater heating described in the 3rd step, make the curing detailed process of insulating properties metal-oxide powder coating paste on the heating wire surface of heater-type heater be, make the heating wire surface temperature of heater-type heater under the condition of 800 ℃, keep 10 hours.
Embodiment seven: the difference of the processing method of the heating wire with insulating barrier described in present embodiment and embodiment three, four, five or six is, the metal-oxide powder described in the first step is the mixed powder of alundum (Al2O3) powder, zirconium dioxide powder, silicon-dioxide powdery, titanium dioxide powder or above-mentioned four kinds of powders.
Embodiment eight: the difference of the processing method of the heating wire with insulating barrier described in present embodiment and embodiment three, four, five or six is, described adhesive is phosphate adhesive.
Embodiment nine: the difference of the processing method of the heating wire with insulating barrier described in present embodiment and embodiment eight is, the heating wire of described heater-type heater is nickel filament, platinum filament or platinoiridita silk.
Claims (9)
1. the heating wire with insulating barrier, it comprises the heating wire of heater-type heater, it is characterized in that, the surface of the heating wire of described heater-type heater is covered with a layer insulating, the thickness of this insulating barrier is 2～3 microns, the material of this insulating barrier is metal oxide, and described metal oxide is one or more the mixture in alundum (Al2O3), zirconium dioxide, silicon dioxide or titanium dioxide.
2. a kind of heating wire with insulating barrier according to claim 1, is characterized in that, the material of the heating wire of described heater-type heater is nickel filament, platinum filament or platinoiridita silk.
3. with the processing method of the heating wire of insulating barrier, the method is that the heating wire based on heater-type heater is realized, and it is characterized in that, the concrete steps of the method are,
The first step, at heating wire surface uniform dip-coating one deck insulating properties metal-oxide powder coating paste of heater-type heater, described insulating properties metal-oxide powder coating paste is after being mixed with adhesive by metal-oxide powder, after adding again deionized water to mix, formulated;
Second step, the heating wire of heater-type heater is taken out from insulating properties metal-oxide powder coating paste, be clipped in unsettled placement on jig and, after 8 to 12 minutes, put into baking oven, at 120 ℃, dry after 1 hour and take out;
The 3rd step, heating wire energising heating to heater-type heater, solidify the insulating properties metal-oxide powder coating paste on the heating wire surface of heater-type heater, forms the insulating barrier of uniform 2～3 microns at the heating wire face of heater-type heater.
4. the processing method of the heating wire with insulating barrier according to claim 3, it is characterized in that, the mixture that insulating properties metal-oxide powder coating paste described in the first step is made up of metal-oxide powder, adhesive and deionized water, wherein, the scope of the quality proportioning of metal-oxide powder, adhesive and deionized water is from 1:1:1 to 1:1:2.
5. the processing method of the heating wire with insulating barrier according to claim 4, it is characterized in that, the energising of the heating wire to heater-type heater heating described in the 3rd step, make the curing detailed process of insulating properties metal-oxide powder coating paste on the heating wire surface of heater-type heater be, make the heating wire surface temperature of heater-type heater under the condition of 800～1000 ℃, keep 5 to 12 hours.
6. the processing method of the heating wire with insulating barrier according to claim 5, it is characterized in that, the energising of the heating wire to heater-type heater heating described in the 3rd step, make the curing detailed process of insulating properties metal-oxide powder coating paste on the heating wire surface of heater-type heater be, make the heating wire surface temperature of heater-type heater under the condition of 800 ℃, keep 10 hours.
7. according to the processing method of the heating wire with insulating barrier described in claim 3,4,5 or 6, it is characterized in that, the metal-oxide powder described in the first step is the mixed powder of alundum (Al2O3) powder, zirconium dioxide powder, silicon-dioxide powdery, titanium dioxide powder or above-mentioned four kinds of powders.
8. according to the processing method of the heating wire with insulating barrier described in claim 3,4,5 or 6, it is characterized in that, described adhesive is phosphate adhesive.
9. the processing method of the heating wire with insulating barrier according to claim 8, is characterized in that, the heating wire of described heater-type heater is nickel filament, platinum filament or platinoiridita silk.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105779924A (en) * | 2016-03-24 | 2016-07-20 | 上海交通大学 | Method for manufacturing high-temperature insulated wire by spraying thermal barrier coating to wrap surface of Pt metal wire |
| CN108235471A (en) * | 2018-01-29 | 2018-06-29 | 刘晓荣 | The overlength electrothermal tube and its processing method of a kind of soil remediation original position thermal desorption |
| CN109879583A (en) * | 2019-03-06 | 2019-06-14 | 彩虹显示器件股份有限公司 | A kind of filling slurry of glass substrate and preparation method thereof and mixing device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4916935A (en) * | 1983-11-09 | 1990-04-17 | Bacharach, Inc. | Low power solid state gas sensor with linear output and method of making the same |
| CN101325139A (en) * | 2008-07-04 | 2008-12-17 | 北京有色金属研究总院 | Method for preparing air suction element with apparatus against powder-dropping on the bottom |
| CN201681784U (en) * | 2010-04-13 | 2010-12-22 | 北京有色金属研究总院 | Shaped microporous gas absorbing element with self heating and excitation |
-
2014
- 2014-01-26 CN CN201410037823.1A patent/CN103889076A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4916935A (en) * | 1983-11-09 | 1990-04-17 | Bacharach, Inc. | Low power solid state gas sensor with linear output and method of making the same |
| CN101325139A (en) * | 2008-07-04 | 2008-12-17 | 北京有色金属研究总院 | Method for preparing air suction element with apparatus against powder-dropping on the bottom |
| CN201681784U (en) * | 2010-04-13 | 2010-12-22 | 北京有色金属研究总院 | Shaped microporous gas absorbing element with self heating and excitation |
Non-Patent Citations (1)
| Title |
|---|
| 滕建勇等: "高温绝缘涂料及其应用举例", 《上海涂料》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105779924A (en) * | 2016-03-24 | 2016-07-20 | 上海交通大学 | Method for manufacturing high-temperature insulated wire by spraying thermal barrier coating to wrap surface of Pt metal wire |
| CN105779924B (en) * | 2016-03-24 | 2019-11-01 | 上海交通大学 | The method for spraying thermal barrier coating package Pt wire surface manufacture high-temperature insulation line |
| CN108235471A (en) * | 2018-01-29 | 2018-06-29 | 刘晓荣 | The overlength electrothermal tube and its processing method of a kind of soil remediation original position thermal desorption |
| CN109879583A (en) * | 2019-03-06 | 2019-06-14 | 彩虹显示器件股份有限公司 | A kind of filling slurry of glass substrate and preparation method thereof and mixing device |
| CN109879583B (en) * | 2019-03-06 | 2021-10-01 | 彩虹显示器件股份有限公司 | Filling slurry of glass substrate, preparation method of filling slurry and mixing device |
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Application publication date: 20140625 |