CN201688924U - PT 200 temperature sensor special for measuring automobile engine and tail gas - Google Patents
PT 200 temperature sensor special for measuring automobile engine and tail gas Download PDFInfo
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- CN201688924U CN201688924U CN2010201295411U CN201020129541U CN201688924U CN 201688924 U CN201688924 U CN 201688924U CN 2010201295411 U CN2010201295411 U CN 2010201295411U CN 201020129541 U CN201020129541 U CN 201020129541U CN 201688924 U CN201688924 U CN 201688924U
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- temperature sensor
- temperature
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- tail gas
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- 239000000758 substrate Substances 0.000 claims abstract description 10
- 239000000523 sample Substances 0.000 claims abstract description 9
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 11
- 229910052593 corundum Inorganic materials 0.000 claims description 8
- 239000010431 corundum Substances 0.000 claims description 8
- 229910052697 platinum Inorganic materials 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 13
- 238000007599 discharging Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000000919 ceramic Substances 0.000 abstract description 3
- 238000010531 catalytic reduction reaction Methods 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 abstract description 2
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 2
- 238000001259 photo etching Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 231100001261 hazardous Toxicity 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
- Exhaust Silencers (AREA)
Abstract
The utility model relates to a temperature sensor, in particular to a PT 200 temperature sensor special for measuring an automobile engine and tail gas, and an outer structure of a product of the PT 200 temperature sensor consists of a probe 1, threads 2 and leads 3. The utility model provides the PT 200 temperature sensor special for measuring the automobile engine and the tail gas which has good anti-vibration, anti-shocking and stability performances, wide measuring range, and high accuracy and sensibility. In the utility model, not only a PT 200 photoetching technology is realized on a ceramic substrate with a volume not more than 2MM*10MM*2.5MM, the response time for a chip is T0.9<3S, when insulation D500 reaches 200M omega, heat conductivity is guaranteed above 1.5W/ (M.K) 25 DEG C, and 100 thousand heating cycle drifting is less than 0.5 percent; and but also the technology gap that reference curve dose not exist at present is filled under the high temperature environment at 650 DEG C-1200 DEG C. Simultaneously, temperature measuring is supplied in the range of 1200 DEG C and comprises a double point measuring, namely, the burning temperature of the engine and the tail gas temperature, and a judgment of catalytic reduction effect on an ECV system is completed by measuring the temperature so as to achieve a conversion rate at 85 percent from oxynitride NOX to nitrogen and water, thus achieving discharging standard and good using effect through complete internal combustion.
Description
Technical field
The utility model relates to a kind of temperature sensor, and particularly a kind of have good vibration proof and protecting against shock, and good stability, measurement range is wide, degree of accuracy is high, keen high PT200 motor car engine and tail gas are measured dedicated temperature sensor.
Background technology
Along with the enforcement of state's 3 emission standards and putting teeth in of Europe 4, make all nearly ten million platform automobiles of China face discharging situation not up to standard based on diesel motor.The major measure that present domestic employing reduces discharging is to improve expulsion pressure (high-pressure common rail, pump nozzle, monoblock pump), charge inter cooling, the improvement combustion-chamber shape (Piston bowl shape) of fuel oil at context engine, adopts exhaust gas recirculation (EGR) etc.In order to adapt to new short-term Abgasgesetz, needed to increase the DOC oxidation catalytic converter again to reduce the discharging of engines tail aerated particle PM.For the new long-term Abgasgesetz that adapts to strictness more also must adopt urea SCR is selective reduction type NO
XCatalyst is to reduce oxynitrides NO
XDischarging, and adopt diesel particulate drip catcher DPF to reduce engines tail aerated particle PM discharging.In other words, in order to reach full operating mode emission request,, also must adopt and be intended to reduce oxynitrides NO except improving combustion conditions of engine and performance
XAnd the after-treatment device of engines tail aerated particle PM.
In this device, what must use is temperature sensor.For thermopair and thermal resistance temperature sensor commonly used now, the former mainly measures temperature by hot spot-effect, and its drawback is that it to thermometric stability and keen relatively poor, has influenced pyrometric precision and stability; Carry out thermometric and the resistance value that the latter mainly is based on metallic conductor increases this characteristic with the increase of temperature, though stability and better keen, but because resistance is relatively poor to the adaptability of temperature, its application only is confined between-80～150 ℃, the high-temperature that can not be applicable to motor car engine and tail gas is measured, thereby has influenced the treatment effect of gas emission device.And present PT200 pyrostat can be realized high temperature measurement by theory, but under 650 degree-1200 degree hot environments, does not have reference curve at present.
The utility model content
Technical problem to be solved in the utility model is at existing temperature sensor stability and keen relatively poor, the deficiency that the Applicable temperature scope is narrower, provide a kind of and have good vibration proof and protecting against shock performance, and good stability, measurement range is wide, degree of accuracy is high, keen high PT200 motor car engine and tail gas are measured dedicated temperature sensor.
For solving the problems of the technologies described above, the utility model is realized as follows: PT200 motor car engine described in the utility model and tail gas are measured dedicated temperature sensor has been made of its product probe, screw thread and lead external structure.When operate as normal, probe places the hot operation district, and temperature detection result is fed back by lead.Its screw thread is used to provide mounting interface.
Described probe mainly is made of nickel-chrome 600 outer tubes, corundum A1203-substrate, PT200 element, heat-conducting filler and pottery.Nickel-chrome 600 outer tubes and corundum A1203-substrate have constituted the effect of protection tube, protection temperature-sensing element PT200 element, it is directly contacted with measured medium, avoid or reduce the erosion of hazardous medium, washing away and radiation of flame and air-flow, and mechanical damage, also play a part fixing simultaneously and support PT200 element; Heat-conducting filler mainly is the transmission medium of ambient temperature and PT200 element; The PT200 element mainly is the resistance of structuring platinum layer.Change owing to the resistance value of metal platinum (Pt) can vary with temperature, and have good reappearance and stability, this characteristic is the measuring principle of this PT200 temperature sensor.When sensor with after external environment contacts, the resistance of the structuring platinum layer of ceramic surface can produce regular the variation along with the variation of ambient temperature, changes by the regularity to its resistance and measures, and just can learn the variation of ambient temperature.
Good effect of the present utility model is: PT200 motor car engine described in the utility model and tail gas are measured dedicated temperature sensor, not only realized in the photoetching process that is not more than PT200 on the 2MM*10MM*2.5MM volume ceramic substrate, chip reaction time T0.9＜3S, D500V reaches 200M Ω in insulation, guarantee that thermal conductivity is at 1.5W/ (M.K) more than 25 ℃, 100,000 drifts heat cycle＜0.5%, and filled up under 650 degree-1200 degree hot environments, do not had the technological gap of reference curve at present.Simultaneously provide temperature survey in 1200 degree scopes, measure comprising the two point of engine combustion temperatures and exhaust temperature, the measurement by temperature is finished the judgement of catalytic reduction effect to the ECV system, makes oxynitrides NO
XConversion ratio to nitrogen and water reaches 85%, by inner perfect combustion, thereby reaches emission standard, and reaches good result of use.
Description of drawings
Fig. 1 is the structural drawing that the utility model PT200 motor car engine and tail gas are measured dedicated temperature sensor
Fig. 2 is the sonde configuration schematic diagram
Embodiment
As shown in Figure 1, PT200 motor car engine described in the utility model and tail gas measurement dedicated temperature sensor is linked in sequence by probe 1, screw thread 2 and lead 3 and has constituted the external structure of its product.When operate as normal, probe 1 places the hot operation district, and temperature detection result is fed back by lead 3.Its screw thread 2 is used to provide mounting interface.
Described probe 1 mainly is made of nickel-chrome 600 outer tubes 4, corundum Al2O3-substrate 5, PT200 element 6, heat-conducting filler 7 and pottery 8: nickel-chrome 600 outer tubes 4 place the outside and corundum Al2O3-substrate 5 to place the inboard shell protection tube that constitutes, protection places the temperature-sensing element PT200 element 6 of protection tube inside, it is directly contacted with measured medium, avoid or reduce the erosion of hazardous medium, washing away and radiation of flame and air-flow, and mechanical damage, also play a part fixing simultaneously and support PT200 element 6; PT200 element 6 mainly is the resistance of structuring platinum layer, and both sides are connected with pottery (8) with corundum Al2O3-substrate (5) respectively; Protection tube middle part falling heat-transfer filling material (7) mainly is the transmission medium of ambient temperature and PT200 element 6.
Claims (2)
1. PT200 motor car engine and tail gas are measured dedicated temperature sensor, it is characterized in that: it is linked in sequence by probe (1), screw thread (2) and lead (3) and has constituted the external structure of its product.
2. PT200 motor car engine according to claim 1 and tail gas are measured dedicated temperature sensor; it is characterized in that: described probe (1) is mainly by nickel-chrome 600 outer tubes (4); corundum Al2O3-substrate (5); PT200 element (6); heat-conducting filler (7) and pottery (8) constitute: nickel-chrome 600 outer tubes (4) place the outside and corundum Al2O3-substrate (5) to place the inboard shell protection tube that constitutes; PT200 element (6) is the resistance of structuring platinum layer; place protection tube inside; both sides are connected with pottery (8) with corundum Al2O3-substrate (5) respectively, protection tube middle part falling heat-transfer filling material (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201295411U CN201688924U (en) | 2009-06-03 | 2010-03-12 | PT 200 temperature sensor special for measuring automobile engine and tail gas |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920157779 | 2009-06-03 | ||
| CN200920157779.2 | 2009-06-03 | ||
| CN2010201295411U CN201688924U (en) | 2009-06-03 | 2010-03-12 | PT 200 temperature sensor special for measuring automobile engine and tail gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201688924U true CN201688924U (en) | 2010-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201295411U Expired - Fee Related CN201688924U (en) | 2009-06-03 | 2010-03-12 | PT 200 temperature sensor special for measuring automobile engine and tail gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201688924U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792017A (en) * | 2014-01-27 | 2014-05-14 | 常州腾龙汽车零部件股份有限公司 | Temperature sensor special for measuring automobile exhaust and manufacturing method thereof |
| CN107064204A (en) * | 2017-06-16 | 2017-08-18 | 中国人民解放军第五七九工厂 | A kind of oil product boiling range temperature sensor |
| CN109269654A (en) * | 2018-09-21 | 2019-01-25 | 东方电气集团东方汽轮机有限公司 | A kind of reinforced temperature measurement structure of steam turbine |
| CN110542493A (en) * | 2019-08-26 | 2019-12-06 | 奇瑞汽车股份有限公司 | Method for measuring automobile exhaust temperature |
| CN112082668A (en) * | 2020-09-07 | 2020-12-15 | 武汉优斯特汽车传感器科技有限公司 | High-precision PT200 high-temperature sensor |
-
2010
- 2010-03-12 CN CN2010201295411U patent/CN201688924U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792017A (en) * | 2014-01-27 | 2014-05-14 | 常州腾龙汽车零部件股份有限公司 | Temperature sensor special for measuring automobile exhaust and manufacturing method thereof |
| CN103792017B (en) * | 2014-01-27 | 2016-04-06 | 常州腾龙汽车零部件股份有限公司 | Vehicle exhaust measures dedicated temperature sensor and preparation method thereof |
| CN107064204A (en) * | 2017-06-16 | 2017-08-18 | 中国人民解放军第五七九工厂 | A kind of oil product boiling range temperature sensor |
| CN109269654A (en) * | 2018-09-21 | 2019-01-25 | 东方电气集团东方汽轮机有限公司 | A kind of reinforced temperature measurement structure of steam turbine |
| CN109269654B (en) * | 2018-09-21 | 2021-02-02 | 东方电气集团东方汽轮机有限公司 | Reinforced temperature measuring structure for steam turbine |
| CN110542493A (en) * | 2019-08-26 | 2019-12-06 | 奇瑞汽车股份有限公司 | Method for measuring automobile exhaust temperature |
| CN112082668A (en) * | 2020-09-07 | 2020-12-15 | 武汉优斯特汽车传感器科技有限公司 | High-precision PT200 high-temperature sensor |
| CN112082668B (en) * | 2020-09-07 | 2021-09-24 | 武汉优斯特汽车传感器科技有限公司 | High-precision PT200 high-temperature sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WUHAN UST AUTO SENSORS TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHANG WEI Effective date: 20130315 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 310052 HANGZHOU, ZHEJIANG PROVINCE TO: 430000 WUHAN, HUBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130315 Address after: 430000 room 7-5, 5158, Kanto science and Technology Park, East Lake Development Zone, Wuhan, Hubei Patentee after: Wuhan UST Sensor Technology Co., Ltd. Address before: Hangzhou City, Zhejiang Province, Binjiang District Puyan street 310052 Dongguan Road No. 432 Patentee before: Zhang Wei |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20150312 |
|
| EXPY | Termination of patent right or utility model |