CN109765280A - Non-heated type chip oxygen sensor of a kind of two lines and preparation method thereof - Google Patents
Non-heated type chip oxygen sensor of a kind of two lines and preparation method thereof Download PDFInfo
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- CN109765280A CN109765280A CN201910213387.1A CN201910213387A CN109765280A CN 109765280 A CN109765280 A CN 109765280A CN 201910213387 A CN201910213387 A CN 201910213387A CN 109765280 A CN109765280 A CN 109765280A
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 239000001301 oxygen Substances 0.000 title claims abstract description 53
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 53
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 45
- 238000000034 method Methods 0.000 claims abstract description 38
- 238000000498 ball milling Methods 0.000 claims abstract description 19
- 238000005520 cutting process Methods 0.000 claims abstract description 19
- 230000008569 process Effects 0.000 claims abstract description 15
- 238000005266 casting Methods 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000004615 ingredient Substances 0.000 claims abstract description 7
- 238000007639 printing Methods 0.000 claims abstract description 7
- 238000007650 screen-printing Methods 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 238000007766 curtain coating Methods 0.000 claims abstract description 4
- 239000002002 slurry Substances 0.000 claims abstract description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 56
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 28
- 239000011241 protective layer Substances 0.000 claims description 16
- 229910052697 platinum Inorganic materials 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 239000011812 mixed powder Substances 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 23
- 238000013461 design Methods 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 3
- 238000007086 side reaction Methods 0.000 description 3
- 229910001928 zirconium oxide Inorganic materials 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- -1 oxonium ion Chemical class 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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- Measuring Oxygen Concentration In Cells (AREA)
Abstract
The invention discloses non-heated type chip oxygen sensors of a kind of two lines and preparation method thereof, including reference electrode channel, first can this special battery and second can this special battery, the two sides of reference electrode channel be respectively arranged with first can this special battery and second can this special battery；The preparation of the non-heated type chip oxygen sensor of two line, comprising the following steps: ingredient ball-milling treatment is carried out using roller ball mill technique；Slurry curtain coating processing is carried out with steel band casting technique；Interior electrode and the first catalysis external electrode, the interior electrode of the second catalysis and the second catalysis external electrode are catalyzed using silk-screen printing technique by first；Electrode after above-mentioned printing is handled using plate heat pressing process；Laminate samples are used into fervent process；Cutting sample is sintered.The utility model has the advantages that the internal resistance of lambda sensor can be reduced, reach the operating temperature for reducing lambda sensor, while light-off time can be reduced, guarantees that lambda sensor can rapidly enter working condition, it is up to standard to be conducive to exhaust emissions.
Description
Technical field
The present invention relates to lambda sensor technical fields, it particularly relates to a kind of non-heated type chip oxygen sensor of two lines
And preparation method thereof.
Background technique
Since in the recent period, motor vehicle exhaust emission causes considerable influence to environment, and the new car to dispatch from the factory now is three
An automotive oxygen sensor can be all installed before and after first catalyst, some vehicles are even more.Domestic and international a variety of models use at present
Lambda sensor is largely chip zirconium oxide formula lambda sensor.Because there is chip oxygen sensor tubular oxygen sensor not have
Series of advantages: such as structure is simple, easy to form, fast response time, size are small, develops chip oxygen sensor and meets market
Demand.Tubular oxygen sensor currently used in the market is gradually replaced chip oxygen sensor.
The structure of common two lines lambda sensor only has porous protective layer, catalysis external electrode, zirconia base, electricity in catalysis
Pole and two groups of reference electrode channel this six layer structures, common two lines lambda sensor generate oxygen sensor signal and need following item
Part: 1, hot conditions (zirconium oxide becomes ionic electrolytes, and oxonium ion can migrate)；2, (catalytic action promotes oxygen to platinum electrode
The generation of ion)；3, difference in oxygen concentration (difference in oxygen concentration of zirconia base two sides air and tail gas), common two lines lambda sensor exist
It is heated when use, so that common two lines lambda sensor is difficult to rapidly enter working condition, and then is unfavorable for tail
The emission compliance of gas.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Summary of the invention
For the problems in the relevant technologies, the present invention proposes the non-heated type chip oxygen sensor of two lines of one kind and its preparation side
Method, to overcome above-mentioned technical problem present in existing the relevant technologies.
For this purpose, the specific technical solution that the present invention uses is as follows:
According to an aspect of the invention, there is provided a kind of non-heated type chip oxygen sensor of two lines.
The non-heated type chip oxygen sensor of two line, including reference electrode channel, this spy's battery of the first energy and second can this
Special battery, wherein the two sides of the reference electrode channel are respectively arranged with this special battery of the first energy and described second can this special electricity
Pond.
Further, this special battery of first energy includes being successively set on the reference electrode channel top from bottom to up
First be catalyzed in electrode, the first zirconia base, the first catalysis external electrode and the first porous protective layer.
Further, described second can this special battery include being successively set on the reference electrode channel bottom end under upper
Second be catalyzed in electrode, the second zirconia base, the second catalysis external electrode and the second porous protective layer.
Further, it offers on the reference electrode channel and is catalyzed in interior electrode and second catalysis with described first
The hole slot that electrode matches.
Further, it is described first be catalyzed in electrode and it is described first catalysis external electrode, it is described second be catalyzed in electrode and
The second catalysis external electrode is platinum material.
According to another aspect of the present invention, a kind of preparation method of the non-heated type chip oxygen sensor of two lines is provided.
The preparation of the non-heated type chip oxygen sensor of two line, comprising the following steps:
Pre-configured material is subjected to ingredient ball-milling treatment using roller ball mill technique, mixed uniformly powder is made；
By the uniformly mixed powder using steel band casting technique carry out the processing of slurry curtain coating, be made the first zirconia base and
Second zirconia base；
Electrode and the second catalysis dispatch from foreign news agency in interior electrode and the first catalysis external electrode, the second catalysis are catalyzed by pre-configured first
Pole uses silk-screen printing technique, prints and platinum electrode is made, and in the first catalysis external electrode and the second catalysis dispatch from foreign news agency
The first porous protective layer and the second porous protective layer are printed respectively in the outside of pole；
Electrode after above-mentioned printing is used behind reference electrode channel two sides according to preconfigured sequence, direction positioning arrangement
The processing of plate heat pressing process, is made laminate samples；
The laminate samples are used into fervent process, cutting sample is made；
The cutting sample is sintered according to standard sintered curve, the non-heated type chip oxygen sensor of two lines is made.
Further, described that pre-configured material is subjected to ingredient ball-milling treatment using roller ball mill technique, it is made
The step of mixed uniformly powder further include:
Ball-milling treatment and secondary ball milling processing；
Wherein, the time of a ball-milling treatment and secondary ball milling processing is 24 ± 4 hours.
Further, the casting thickness of the steel band casting technique is 50-300 μm, the printing of the silk-screen printing technique
With a thickness of 16 ± 2 μm.
Further, the preheating temperature of the plate heat pressing process is 70 DEG C, preheating time 1-3min, and preheating pressure is
4000-7000psi。
Further, the Cutting platform temperature of the fervent process is 70 DEG C, cutting blade temperature 70 C, cutting length
Spend 47.8 ± 0.5mm, 5.3 ± 0.05mm of cutting width；It is described sintering using high temperature bell-type furnace 1480 ± 20 DEG C keep the temperature 3 ±
It is sintered within 0.5 hour, contractibility is 19.3 ± 0.2%.
The invention has the benefit that
(1), two line lambda sensors of the area ratio conventional design that the lambda sensor and air, tail gas contact, which double, (increases
Second is catalyzed interior electrode, the second zirconia base, the second catalysis external electrode and the second porous protective layer, and one side reaction is become two
Face reaction), the internal resistance of lambda sensor can be reduced, when reaching the operating temperature for reducing lambda sensor, while ignition can be reduced
Between, guarantee that lambda sensor can rapidly enter working condition, it is up to standard to be conducive to exhaust emissions.
(2), the design of the lambda sensor can guarantee tail gas discharge direction side have can this special battery, in this way can be with
So that platinum electrode and zirconia base is had higher operating temperature (zirconia base leans on the tail gas of burning to conduct heat entirely).
(3), the conversion zone (can this special battery) of the design requirement sensing element of the lambda sensor is completely into exhaust pipe,
Its object is to zirconia bases to be sufficiently heated, and not needing conducting self-heating can also work.
(4), the non-heated two line lambda sensor of type can also reach four line hot type oxygen biography it is advantageous that not needing heating
The performance of sensor, then the temperature of the lambda sensor is entirely derived from the heat of tail gas.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of the non-heated type chip oxygen sensor of two line according to an embodiment of the present invention；
Fig. 2 is a kind of preparation method flow chart of the non-heated type chip oxygen sensor of two line according to an embodiment of the present invention.
In figure:
1, reference electrode channel；2, this special battery of the first energy；201, first it is catalyzed interior electrode；202, the first zirconia base；
203, the first catalysis external electrode；204, the first porous protective layer；3, this special battery of the second energy；301, second it is catalyzed interior electrode；
302, the second zirconia base；303, the second catalysis external electrode；304, the second porous protective layer.
Specific embodiment
To further illustrate that each embodiment, the present invention are provided with attached drawing, these attached drawings are that the invention discloses one of content
Point, mainly to illustrate embodiment, and the associated description of specification can be cooperated to explain the operation principles of embodiment, cooperation ginseng
Examine these contents, those of ordinary skill in the art will be understood that other possible embodiments and advantages of the present invention, in figure
Component be not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.
According to an embodiment of the invention, providing non-heated type chip oxygen sensor of a kind of two lines and preparation method thereof.
Now in conjunction with the drawings and specific embodiments, the present invention is further described, as shown in Figure 1, according to embodiments of the present invention
The non-heated type chip oxygen sensor of two lines, including reference electrode channel 1, first can this special battery 2 and second can this special battery
3, wherein the two sides of the reference electrode channel 1 are respectively arranged with this special battery 2 of the first energy and described second can this special battery 3.
In one embodiment, this special battery 2 of first energy includes being successively set on the reference electrode from bottom to up
The first of 1 top of channel is catalyzed interior electrode 201, the first zirconia base 202, first catalysis external electrode 203 and the first porous guarantor
Sheath 204.
In one embodiment, described second can this special battery 3 include being successively set on the reference electrode under upper
The second of 1 bottom end of channel is catalyzed interior electrode 301, the second zirconia base 302, second catalysis external electrode 303 and the second porous guarantor
Sheath 304.
In one embodiment, offered on the reference electrode channel 1 with described first be catalyzed in electrode 201 and described
Second is catalyzed the hole slot that interior electrode 301 matches.
In one embodiment, described first interior electrode 201 and the first catalysis external electrode 203, described second are catalyzed
Electrode 301 and the second catalysis external electrode 303 are platinum material in being catalyzed.
With the aid of the technical scheme, two line oxygen of the area ratio conventional design that the lambda sensor and air, tail gas contact
Sensor double (increase by second be catalyzed in electrode 301, the second zirconia base 302, second catalysis external electrode 303 and the
One side reaction is become two sides reaction by two porous protective layers 304), the internal resistance of lambda sensor can be reduced, reaching reduces oxygen sensing
The operating temperature of device, while light-off time can be reduced, guarantee that lambda sensor can rapidly enter working condition, is conducive to tail gas
Emission compliance.The design of the lambda sensor can guarantee that there is this special battery of energy in tail gas discharge direction side, can make in this way
Platinum electrode and zirconia base have higher operating temperature (zirconia base leans on the tail gas of burning to conduct heat entirely).The lambda sensor
For the conversion zone (this special battery of energy) of design requirement sensing element completely into exhaust pipe, its object is to zirconia bases can
It is sufficiently heated, not needing conducting self-heating can also work.The non-heated two line lambda sensor of type is not it is advantageous that need to add
Heat can also reach the performance of four line heating type oxygen sensors, then the temperature of the lambda sensor is entirely derived from the heat of tail gas.
In order to facilitate above-mentioned technical proposal of the invention is understood, below in conjunction with attached drawing to the process of above scheme of the invention
It is described in detail, specific as follows:
As shown in Fig. 2, in the actual production process, the preparation of the non-heated type chip oxygen sensor of two line, comprising the following steps:
Pre-configured material is carried out ingredient ball-milling treatment using roller ball mill technique, uniformly mixing is made by step S101
Powder；
The uniformly mixed powder is carried out the processing of slurry curtain coating using steel band casting technique, the first oxygen is made by step S102
Change zirconium base body 202 and the second zirconia base 302；
Step S103 is catalyzed electricity in interior electrode 201 and the first catalysis catalysis of external electrode 203, second for pre-configured first
Pole 301 and the second catalysis external electrode 303 use silk-screen printing technique, print and platinum electrode is made, and outer in first catalysis
The first porous protective layer 204 and the second porous protective layer are printed in the outside of electrode 203 and the second catalysis external electrode 303 respectively
304；
Step S104, by the electrode after above-mentioned printing according to preconfigured sequence, direction positioning arrangement in reference electrode channel 1
It is handled behind two sides using plate heat pressing process, laminate samples is made；
The laminate samples are used fervent process, cutting sample are made by step S105；
The cutting sample is sintered by step S106 according to standard sintered curve, and the non-heated matrix formula of two lines is made
Lambda sensor.
In one embodiment, described to carry out pre-configured material at ingredient ball milling using roller ball mill technique
The step of managing, mixed uniformly powder be made further include:
Ball-milling treatment and secondary ball milling processing；
Wherein, the time of a ball-milling treatment and secondary ball milling processing is 24 ± 4 hours.
In one embodiment, the casting thickness of the steel band casting technique is 50-300 μm, according to different function thickness
The requirement of degree controls casting thickness, and the print thickness of the silk-screen printing technique is 16 ± 2 μm, when platinum electrode being prevented to be sintered
It is destroyed by pressing plate, pollutant can also be prevented to contact platinum.
In one embodiment, the preheating temperature of the plate heat pressing process is 70 DEG C, preheating time 1-3min, preheating
Pressure is 4000-7000psi.
In one embodiment, the Cutting platform temperature of the fervent process is 70 DEG C, cutting blade temperature 70 C,
47.8 ± 0.5mm of Cutting Length, 5.3 ± 0.05mm of cutting width；The sintering is protected using high temperature bell-type furnace at 1480 ± 20 DEG C
Temperature is sintered for 3 ± 0.5 hours, and contractibility is 19.3 ± 0.2%.
Working principle: the working principle of the non-heated type chip oxygen sensor of two lines provided by the invention is similar to dry cell,
Oxidation zr element in sensor plays similar electrolyte.Its basic functional principle is: (high temperature and platinum under certain condition
Catalysis), using the difference in oxygen concentration inside and outside zirconium oxide, potential difference is generated, and concentration difference is bigger, potential difference is bigger.In atmosphere
The content of oxygen is 21%, and the exhaust gas after rich mixture burning is not actually oxygen-containing, the exhaust gas that generates after lean combustion or because lacking
Contain more oxygen in the exhaust gas that fire generates, but still than the oxygen much less in atmosphere.
Under the catalysis of high temperature and platinum, electronegative oxonium ion is adsorbed on the surfaces externally and internally of Zirconia ferrule.Due to big
Oxygen in gas is more than the oxygen in exhaust gas, and side is communicated with atmosphere on casing than exhaust gas side and adsorbs more anions, and two
The concentration difference of side ion generates electromotive force.When the oxygen concentration of casing exhaust gas side is low, a high voltage is generated between the electrodes
(0.6-1V).
First catalysis external electrode 203 and the second catalysis external electrode 303 are linked together by printing technology becomes this spy of energy
External electrode, contact is tail gas；First, which is catalyzed interior electrode 201 and second, is catalyzed interior electrode 301 and is connected by printing technology
Being connected together becomes energy Si Tenei electrode, and contact is atmosphere.
In conclusion by means of above-mentioned technical proposal of the invention, the area ratio of the lambda sensor and air, tail gas contact
Two line lambda sensors of conventional design, which double, (to be increased electrode 301, the second zirconia base 302, second in the second catalysis to urge
One side reaction is become two sides reaction by outside the pale of civilization electrode 303 and the second porous protective layer 304), the interior of lambda sensor can be reduced
Resistance reaches the operating temperature for reducing lambda sensor, while can reduce light-off time, guarantees that lambda sensor can rapidly enter work
Make state, it is up to standard to be conducive to exhaust emissions.The design of the lambda sensor can guarantee that tail gas discharge direction side is that have this spy of energy
Battery, platinum electrode and zirconia base can be made to have higher operating temperature in this way, and (zirconia base leans on the tail gas of burning entirely
Heat transfer).The conversion zone (this special battery of energy) of the design requirement sensing element of the lambda sensor is completely into exhaust pipe, purpose
It is that zirconia base can be sufficiently heated, not needing conducting self-heating can also work.The non-heated two line lambda sensor of type
It is advantageous that the performance of four line heating type oxygen sensors can also be reached by not needing heating, then the temperature of the lambda sensor is complete
From the heat of tail gas.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " fixation ",
Terms such as " being screwed on " 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 with
It is mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside a element, unless otherwise restricted clearly, for the common of this field
For technical staff, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of non-heated type chip oxygen sensor of two lines, which is characterized in that including reference electrode channel (1), first can this be special
Battery (2) and second can this special battery (3), wherein the two sides of the reference electrode channel (1) are respectively arranged with first can this be special
Battery (2) and described second can this special battery (3).
2. the non-heated type chip oxygen sensor of two lines according to claim 1, which is characterized in that described first can this special electricity
Pond (2) includes being successively set on the first of the reference electrode channel (1) top from bottom to up to be catalyzed interior electrode (201), first
Zirconia base (202), the first catalysis external electrode (203) and the first porous protective layer (204).
3. the non-heated type chip oxygen sensor of two lines according to claim 2, which is characterized in that described second can this special electricity
Pond (3) include be successively set under upper the second of the reference electrode channel (1) bottom end be catalyzed in electrode (301), second
Zirconia base (302), the second catalysis external electrode (303) and the second porous protective layer (304).
4. the non-heated type chip oxygen sensor of two lines according to claim 3, which is characterized in that the reference electrode channel
(1) it is offered on and is catalyzed the hole slot that electrode (301) matches in interior electrode (201) and second catalysis with described first.
5. the non-heated type chip oxygen sensor of two lines according to claim 4, which is characterized in that electricity in first catalysis
Electrode (301) and the second catalysis external electrode in pole (201) and first catalysis external electrode (203), second catalysis
It (303) is platinum material.
6. a kind of preparation method of the non-heated type chip oxygen sensor of two lines, which is characterized in that for two described in claim 5
The preparation of the non-heated type chip oxygen sensor of line, comprising the following steps:
Pre-configured material is subjected to ingredient ball-milling treatment using roller ball mill technique, mixed uniformly powder is made；
The uniformly mixed powder is subjected to the processing of slurry curtain coating using steel band casting technique, the first zirconia base is made
(202) and the second zirconia base (302)；
Interior electrode (201) and electrode in the first catalysis external electrode (203), the second catalysis are catalyzed by pre-configured first
(301) and the second catalysis external electrode (303) uses silk-screen printing technique, prints and platinum electrode is made, and in first catalysis
The first porous protective layer (204) is printed and more than second in the outside of external electrode (203) and second catalysis external electrode (303) respectively
Hole protective layer (304)；
By the electrode after above-mentioned printing according to preconfigured sequence, direction positioning arrangement behind reference electrode channel (1) two sides
It is handled using plate heat pressing process, laminate samples is made；
The laminate samples are used into fervent process, cutting sample is made；
The cutting sample is sintered according to standard sintered curve, the non-heated type chip oxygen sensor of two lines is made.
7. the preparation method of the non-heated type chip oxygen sensor of two lines according to claim 6, which is characterized in that described to incite somebody to action
The step of pre-configured material carries out ingredient ball-milling treatment using roller ball mill technique, and mixed uniformly powder is made also is wrapped
It includes:
Ball-milling treatment and secondary ball milling processing；
Wherein, the time of a ball-milling treatment and secondary ball milling processing is 24 ± 4 hours.
8. the preparation method of the non-heated type chip oxygen sensor of two lines according to claim 6, which is characterized in that the steel
Casting thickness with casting technique is 50-300 μm, and the print thickness of the silk-screen printing technique is 16 ± 2 μm.
9. the preparation method of the non-heated type chip oxygen sensor of two lines according to claim 6, which is characterized in that described flat
The preheating temperature of plate heat pressing process is 70 DEG C, preheating time 1-3min, preheating pressure 4000-7000psi.
10. the preparation method of the non-heated type chip oxygen sensor of two lines according to claim 6, which is characterized in that described
The Cutting platform temperature of fervent process is 70 DEG C, cutting blade temperature 70 C, 47.8 ± 0.5mm of Cutting Length, and cutting is wide
Spend 5.3 ± 0.05mm；The sintering keeps the temperature 3 ± 0.5 hours at 1480 ± 20 DEG C using high temperature bell-type furnace and is sintered, product
Shrinking percentage is 19.3 ± 0.2%.
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| US6746584B1 (en) * | 1999-12-15 | 2004-06-08 | Delphi Technologies, Inc. | Oxygen sensing device |
| CN1530647A (en) * | 2003-03-13 | 2004-09-22 | 罗伯特・博施有限公司 | Non-heating planar sensing element for determining concentration of gas component in mixed gas |
| CN102466654A (en) * | 2010-11-10 | 2012-05-23 | 中国科学院电子学研究所 | Wide-range oxygen sensor with double-pump structure and manufacturing method of wide-range oxygen sensor |
| CN108321408A (en) * | 2017-12-28 | 2018-07-24 | 胡强 | Flat tube solid oxide electrochemical device containing multipair electrode and preparation method thereof |
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2019
- 2019-03-20 CN CN201910213387.1A patent/CN109765280A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6746584B1 (en) * | 1999-12-15 | 2004-06-08 | Delphi Technologies, Inc. | Oxygen sensing device |
| US20020108870A1 (en) * | 2000-12-12 | 2002-08-15 | Thoreson Thomas R. | Nitrogen oxide sensor and method for detecting nitrogen oxides |
| CN1530647A (en) * | 2003-03-13 | 2004-09-22 | 罗伯特・博施有限公司 | Non-heating planar sensing element for determining concentration of gas component in mixed gas |
| US20050093551A1 (en) * | 2003-03-13 | 2005-05-05 | Helmut Weyl | Unheated planar sensor element for determining the concentration of a gas component in a gas mixture |
| CN102466654A (en) * | 2010-11-10 | 2012-05-23 | 中国科学院电子学研究所 | Wide-range oxygen sensor with double-pump structure and manufacturing method of wide-range oxygen sensor |
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Application publication date: 20190517 |
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