WO2012080336A1 - Sensorvorrichtung für partikel - Google Patents
Sensorvorrichtung für partikel Download PDFInfo
- Publication number
- WO2012080336A1 WO2012080336A1 PCT/EP2011/072760 EP2011072760W WO2012080336A1 WO 2012080336 A1 WO2012080336 A1 WO 2012080336A1 EP 2011072760 W EP2011072760 W EP 2011072760W WO 2012080336 A1 WO2012080336 A1 WO 2012080336A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sensor device
- connection
- measuring structure
- heating element
- temperature
- Prior art date
Links
- 239000002245 particle Substances 0.000 title claims abstract description 65
- 239000000758 substrate Substances 0.000 claims abstract description 73
- 238000010438 heat treatment Methods 0.000 claims abstract description 59
- 239000000919 ceramic Substances 0.000 claims description 11
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 7
- 229910010293 ceramic material Inorganic materials 0.000 claims description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 5
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 42
- 238000005259 measurement Methods 0.000 description 19
- 238000009529 body temperature measurement Methods 0.000 description 10
- 238000002485 combustion reaction Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 239000004071 soot Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 229910001260 Pt alloy Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 241001387976 Pera Species 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000608 laser ablation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/1466—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being a soot concentration or content
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1493—Details
- F02D41/1494—Control of sensor heater
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/05—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a particulate sensor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/06—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N9/00—Electrical control of exhaust gas treating apparatus
- F01N9/002—Electrical control of exhaust gas treating apparatus of filter regeneration, e.g. detection of clogging
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/0656—Investigating concentration of particle suspensions using electric, e.g. electrostatic methods or magnetic methods
Definitions
- the invention relates to a sensor device with a carrier substrate.
- Increasingly stringent legal regulations require a reduction in the combustion exhaust gases emanating from a motor vehicle.
- motor vehicles are increasingly equipped with emission control systems.
- emission control systems For a monitoring and / or control of such an emission control system, for example, a particle concentration of the exhaust gas is determined.
- DE 102005053 120 A1 discloses a sensor element for gas sensors, in particular for the determination of particles in gas mixtures.
- the sensor element has at least one of the gas to be determined ⁇ mixture, exposed electrochemical measuring element and ⁇ least one integrated in the sensor element temperature ⁇ measuring element.
- the sensor element has a heating element.
- the electrochemical measuring element has two contacts.
- the heating element has two further electrical contacts.
- the temperature measuring element has two resistor tracks, wherein the one resistor track is electrically coupled to an electrical contact for the temperature measuring element and the other resistor track is electrically coupled to the electrical contact of the measuring element.
- DE 10 2005 041 537 A1 discloses a method for monitoring a soot particle filter.
- D2 discloses a soot sensor.
- the soot sensor has, for example, a ceramic substrate onto which, for example, a heating resistor has been processed.
- a thermo ⁇ element On the back of the ceramic substrate is a thermo ⁇ element, which may be, for example, on the aufganged on the ceramic substrate platinum resistance.
- a heating element formed in the soot sensor is used for temperature measurement.
- DE 10 2005 030 134 A1 discloses a sensor for detecting soot.
- the sensor comprises a ceramic substrate with an electrically non-conductive surface exposed to a measurement gas, an electrode structure formed on the substrate surface with electrodes for measuring the electrical conductivity, a heater attached to the substrate for setting an operating temperature of approximately 250-450 ° C. and at least a temperature measuring device.
- the resistance heating can be used simultaneously as a temperature sensor.
- the object on which the invention is based is to provide a sensor device which makes a contribution to the fact that a plurality of state variables of a gas flow can be determined precisely and simply.
- the invention is characterized by a sensor device with a carrier substrate.
- the carrier substrate comprises a Parti ⁇ kelmess für, a heater pattern and a temperature measurement structure.
- the temperature measurement structure is electrically coupled in a predetermined first region of the carrier substrate with the Schuele ⁇ management structure and specified in a second region of the carrier substrate with the particle measurement structure.
- the sensor device can be arranged, for example, in an exhaust system of an internal combustion engine.
- the particle measuring structure may be arranged in a partial region of the carrier substrate which, during operation of the sensor device, is exposed to a gas flow, in particular to the exhaust gas flow.
- the particle measuring structure, the temperature measuring structure and the heating element structure make it possible to detect a plurality of measured variables which can be used for a precise determination of a temperature Particle concentration of a gas, preferably a soot ⁇ particle concentration of an exhaust gas of an internal combustion engine, can be used.
- the detected measured variables and / or state variables of the gas stream derived therefrom can alternatively or additionally be used for other applications, for example for further control or regulation processes of the internal combustion engine.
- a change in an impedance of the particle measuring structure can be detected and evaluated. For example, it is possible to detect and evaluate an ohmic resistance of the particle measuring structure. As a result of particle deposition on the particle measurement structure, the impedance of the particle measurement structure changes.
- An amount of particles deposited on the particle measurement structure increases over time.
- the embedded particles are preferably burned off from time to time by means of the heater pattern.
- the particle measuring structure is heated by means of the heating element structure such that the deposited particles burn.
- the temperature measurement structure makes it possible to detect a sensor temperature in the region of the temperature measurement structure. For example, a change in resistance of a metallic alloy, for example a platinum alloy, of the temperature-measuring structure is detected for this purpose. Depending on the resistance change, the sensor temperature can be determined.
- a possible thermal connection of the carrier substrate to components which do not have the gas temperature may cause the sensor temperature to differ from the gas temperature.
- the carrier substrate may be arranged in a housing which is attached to an exhaust pipe, whereby a thermal coupling with the exhaust pipe may arise. The lower the thermal coupling, the lower the difference between the detected sensor temperature and the gas temperature, for example, the exhaust gas temperature.
- the sensor device can therefore be advantageous to provide the sensor device with a housing which has a low thermal mass and low thermal capacity ⁇ Leit. Electrically coupling the temperature ⁇ measurement structure with the particle measurement structure and / or the heating element structure has the advantage that supply lines can be shared. This allows for a compact design, on the other hand, connectors and / or leads can be saved. This allows a lower-cost Her ⁇ position and the thermal mass of the sensor device can be reduced. This can make a contribution to the fact that a temperature, for example an exhaust gas temperature in an exhaust gas system of a motor vehicle, can be determined more precisely. Additionally or alternatively, it is possible to reduce a number of control units that are used to drive the structures. Furthermore, the carrier substrate may have smaller dimensions. In addition, a housing which at least partially encloses the carrier substrate may thus have a smaller tree shape and thus a lower thermal mass.
- the sensor device comprises a gas measuring structure, wherein the temperature measuring ⁇ structure is electrically coupled in a predetermined third region of the carrier substrate with the gas measuring structure. This allows a gas concentration to be detected with the sensor device.
- the heating element structure has a first connection and a second connection
- the temperature measurement structure has a third connection and fourth connection
- the particle measurement structure has a fifth and sixth connection.
- the fourth terminal of Tempe ⁇ raturmess für and the fifth terminal of the particle measurement ⁇ structure are electrically coupled to the second region.
- the second connection of the heating element structure and the third connection of the temperature measuring structure in the first region are electrically coupled.
- the heating element structure and the particle measuring structure can be operated in parallel in this case.
- the temperature measuring structure can be operated during a common measuring pause of the heating element structure and the particle measuring structure.
- the second connection of the heating element structure and the fourth connection of the temperature measuring structure are electrically coupled in the first region.
- a common reference ⁇ potential supply for all three structures such as a common supply of a ground potential.
- the heating element structure, the particle measuring structure and the temperature measuring structure can be operated simultaneously.
- the gas-measuring structure has a seventh connection and an eighth connection, wherein the seventh connection of the gas-measuring structure and the fourth connection of the temperature-measuring structure are electrically coupled in the third region.
- a common reference potential supply for all four structures such as a common feeding a mass ⁇ potentials.
- the particle measurement structure comprises a first electrode and a second electrode, which together have a interdigital comb structure ⁇ .
- the heating element structure is substantially meander-shaped, in particular meander-shaped.
- the temperature measuring structure is substantially meander-shaped, in particular meander-shaped.
- the carrier substrate comprises a ceramic material or consists essentially of a ceramic material.
- the aluminum oxide advantageously has a high electrical insulation and at the same time a high thermal conductivity.
- the sensor device can have a high response speed with respect to a temperature change due to the high thermal Leitfä ⁇ ability. This can contribute to the fact that a temperature to be measured and / or a change in a temperature can be detected very precisely.
- Metallic structures of the heating element structure, particle measuring structure and the temperature measuring structure can be applied to the carrier substrate, for example, in a thin-layer process and / or thick-film process. Alternatively or additionally, the metallic structures can be produced by laser ablation or electrolytically.
- the carrier substrate zirconium dioxide (Zr0 2 ). Zirconia has lower thermal conductivity compared to alumina. This feature can advantageously help to reduce heat dissipation of the carrier substrate.
- the carrier substrate may thus comprise both alumina and zirconia.
- the temperature measuring structure at standard temperature has an ohmic resistance in the range of 10 ohms or greater. This can contribute to reducing measurement inaccuracies, for example due to a line resistance of a supply line.
- a temperature measuring structure having a larger ohmic resistance with a smaller track width can be formed from ⁇ and thus have a lower thermal mass on ⁇ . This can contribute to the fact that the temperature measurement structure, for example, assumes the exhaust gas temperature faster.
- the standard temperature for example, represent a temperature of 0 ° C.
- the temperature measuring structure may be designed to be open, for example, ie that the temperature measuring ⁇ structure is surrounded by any housing.
- the particle measuring structure and the heating element structure are arranged in a first substrate level.
- the carrier substrate comprises a multilayer ceramic with at least one substrate plane.
- This allows the structures to be arranged in such a way that the carrier substrate has a small installation space as possible on ⁇ .
- the carrier substrate may have a ge ⁇ ringere thermal mass and / or housing can be made smaller for the sensor device. This can make a contribution to the fact that the gas temperature, such as the exhaust gas temperature, can be determined more precisely.
- the particle measuring structure and the temperature measuring structure unfired ceramic films can first be individually structured, then stacked and laminated and finally fired.
- the heating element structure has a first substructure and a second substructure, the first substructure comprising the first terminal of the heating element structure, the second substructure having the second terminal of the heating element structure and the first substructure and the second substructure having a common terminal connected to the sixth terminal of the particle measuring structure is electrically coupled.
- the heating element structure can also be used, for example, to control a temperature and / or a temperature To detect change in the area of the heating element structure.
- the common connection can make a contribution to more precisely detect the temperature and / or the temperature changes in the region of the heating element structure.
- FIG. 1 shows a sensor device with a view onto a first substrate plane
- FIG. 2 shows the sensor device with a view of the second substrate plane
- FIG. 3 shows a multilayer ceramic with a plurality of substrate planes
- FIG. 4 shows a first exemplary embodiment of the sensor device
- Figure 5 shows a second embodiment of the sensor device
- FIG. 6 shows a third exemplary embodiment of the sensor device
- Figure 7 shows a fourth embodiment of the sensor device
- Figure 8 shows a fifth embodiment of the sensor device.
- FIG. 1 shows a sensor device 100 with a first plan view of a first substrate plane S1.
- the Sensorvor ⁇ device 100 may for example be disposed in an exhaust line of an internal combustion engine of a motor vehicle.
- the internal combustion engine in the exhaust gas ⁇ strand may be a gas, in particular an exhaust gas flow.
- the internal combustion engine can, for example, as a diesel engine be formed and have an exhaust gas purification device.
- the sensor device 100 may, for example, be arranged downstream of such an exhaust gas purification device. Alternatively or additionally, the sensor device 100 may be arranged upstream of the exhaust gas purification device. Recorded measurements and calculated state variables, such as a particle concentration, in particular a carbon black ⁇ particle concentration, and / or an exhaust gas temperature can be forwarded to a motor controller and / or to an on-board diagnostic system. Alternatively or additionally, the determined exhaust gas temperature can be used for further control tasks, for example for a control of a regeneration of the exhaust gas purification device.
- the sensor device 100 has a carrier substrate 10.
- Carrier substrate 10 may comprise a ceramic material, for example aluminum oxide (Al 2 O 3) and / or zirconium dioxide
- the support substrate 10 made of the ke ⁇ ramischen material.
- the carrier substrate 10 may have, for example, a multilayer ceramic.
- the sensor device 100 has a particle-sensing structure P, arranged for example in the first substrate plane S of the support substrate ⁇ 10th
- the particle measuring structure P can be arranged on a first surface Ol of the carrier substrate 10.
- the particle measurement structure P has ⁇ example, to a first electrode and a second electrode, which together have a interdigital comb structure.
- the sensor device 100 has, for example, a heating element structure H arranged in the first substrate plane S1.
- FIG. 1 shows a schematic drawing of the heating element structure H.
- the heating element structure H may be substantially meander-shaped, in particular meander-shaped.
- the particle measuring structure P and the heating element structure H are arranged, for example, on a first surface Ol of the carrier measuring ⁇ substrate 10.
- the particle measurement structure P and / or the heating element H have a platinum alloy.
- FIG. 2 shows the sensor device 100 with a view from above onto a second substrate plane S2 of the carrier substrate 10.
- the second substrate plane S2 may, for example, be a second surface of the carrier substrate 10.
- the sensor device 100 has a temperature measuring structure T.
- the temperature measuring structure T is arranged, for example, on the second substrate plane S2 of the carrier substrate 10.
- the temperature measuring structure T at standard temperature have an ohmic resistance in the range of 10 ohms.
- the temperature measuring structure T and the particle measuring structure P in the first substrate plane S1 and the heating element structure H can be arranged in the second substrate plane S2.
- the temperature measuring structure T, the particle measuring structure P and the heating element structure H can be arranged in the first S1 or in the second substrate level S2.
- the carrier substrate 10 may for example also a Mehrla ⁇ genkeramik having at least a substrate plane, for example three substrate layers comprise ( Figure 3).
- the temperature measuring structure T, the particle measuring structure P and the heating element structure H may each be arranged in different substrate planes.
- the particle measuring structure P can be arranged on the first surface Ol of the carrier substrate 10.
- the heating element structure H can be arranged, for example, in a first intermediate plane ZI and the temperature measuring structure T can be arranged, for example, in a second intermediate plane Z2.
- FIG. 4 shows a first exemplary embodiment of the sensor device 100, in which the temperature measuring structure T in a predetermined first region of the carrier substrate 10 with the heating element structure H and in a predetermined second region of the carrier substrate 10 with the particle measuring structure P electrically is coupled.
- the heating element structure H has a first connection 1 and a second connection 2
- the temperature measuring structure T has a third connection 3 and fourth connection 4
- the particle measurement structure P has a fifth 5 and sixth connection 6.
- the fourth port 4 of the Tem ⁇ pera tower structure T and the fifth port 5 of the particles ⁇ measurement structure P are electrically coupled in the second region and the second terminal 2 of the heater pattern H and the third terminal 3 of the temperature measurement structure T in the first area.
- the heating element structure H and the particle measuring structure P can be operated in parallel in this case.
- the temperature measuring structure T can be operated during a common measuring pause of the heating element structure H and the particle measuring structure P.
- the first and / or second region can for example be specified such that supply lines to the temperature measurement structure T are as short as possible.
- FIG. 5 shows a second exemplary embodiment of the sensor device 100.
- the fourth is
- Terminal 4 of the temperature measuring structure T and the fifth terminal 5 of the particle measuring structure P in the second region electrically coupled and the second terminal 2 of the heating element H and the fourth terminal 4 of the temperature measuring structure T in the first region.
- This allows, for example, a common supply of a ground potential, for example via the fourth connection 4.
- the heating element structure H, the particle measuring structure P and the temperature measuring structure T can be operated simultaneously.
- the first and / or second region may be, for example, such predetermined that Zulei ⁇ refunds for supplying the ground potential, for example, the heater pattern H and the particle measurement structure P, are as short as possible.
- An ohmic resistance of the particles ⁇ measurement structure can be significantly greater in this case, as an ohmic resistance of the temperature measurement structure.
- the sensor device 100 may, for example, have a housing with a thread. Due to the small dimensions can the housing can be carried out, for example, narrower in comparison ⁇ equal to ersion to one embodiment, all six terminals are led out of the housing at the.
- the thread can be formed in ⁇ example as M14 thread.
- FIG. 6 shows a third embodiment of the Sensorvor ⁇ direction 100.
- the sensor device 100 further comprises a gas measurement structure G.
- the gas measuring structure G may be configured to detect a gas concentration.
- the gas measuring structure G has a seventh 7 and eighth terminal 8.
- the fourth terminal 4 of the temperature measuring structure T and the fifth terminal 5 of the particle measuring structure P are electrically coupled in the second area and the second terminal 2 of the heating element structure H and the fourth terminal 4 of the temperature measuring structure T in the first area.
- the seventh connection 7 of the gas measuring structure G and the fourth connection 4 of the temperature measuring structure T are electrically coupled in a third region.
- the temperature measuring structure T, the particle measuring structure P, the heating element structure H and the gas measuring structure G can be arranged in the various substrate planes of the multilayer ceramic. Alternatively, it is also possible that a plurality of these structures are arranged in a substrate plane.
- Figure 7 shows a fourth embodiment of the Sensorvor ⁇ direction 100.
- the heating element ⁇ structure H a first partial structure Hl and a second part ⁇ structure H2 on
- the first part structure Hl first Terminal 1 of the heating element H comprises the second part structure H2
- the second terminal 2 of the heating element H and the first sub-structure Hl and the second sub-structure H2 have a common terminal M12 which is electrically coupled to the sixth terminal 6 of the particle measuring structure P.
- Figure 8 shows a fifth embodiment of the Sensorvor ⁇ direction.
- the heating element structure H comprises the first partial structure H 1 and the second partial structure H 2, wherein the first partial structure H 1 comprises the first terminal 1 of the heating element structure H, the second partial structure H 2 comprises the second terminal 2 of the heating element structure H and the first partial structure H 1 and second substructure H2 have the common terminal M12, which is electrically coupled to the sixth terminal 6 of the particle measuring structure P.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112011104413T DE112011104413A5 (de) | 2010-12-15 | 2011-12-14 | Sensorvorrichtung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010054669.0 | 2010-12-15 | ||
DE201010054669 DE102010054669A1 (de) | 2010-12-15 | 2010-12-15 | Sensorvorrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012080336A1 true WO2012080336A1 (de) | 2012-06-21 |
Family
ID=45509417
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2011/072760 WO2012080336A1 (de) | 2010-12-15 | 2011-12-14 | Sensorvorrichtung für partikel |
Country Status (2)
Country | Link |
---|---|
DE (2) | DE102010054669A1 (de) |
WO (1) | WO2012080336A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020099150A1 (en) * | 2018-11-15 | 2020-05-22 | Delphi Technologies Ip Limited | Soot sensor arrangement |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006009066A1 (de) * | 2005-04-01 | 2006-10-05 | Robert Bosch Gmbh | Sensorelement für Partikelsensoren und Verfahren zum Betrieb desselben |
DE102005030134A1 (de) | 2005-06-28 | 2007-01-04 | Siemens Ag | Sensor und Betriebsverfahren zur Detektion von Ruß |
DE102005041537A1 (de) | 2005-08-31 | 2007-04-12 | Siemens Ag | Verfahren zur Überwachung eines Rußpartikelfilters |
DE102005053120A1 (de) | 2005-11-08 | 2007-05-10 | Robert Bosch Gmbh | Sensorelement für Gassensoren und Verfahren zum Betrieb desselben |
DE102007033215A1 (de) * | 2007-07-17 | 2009-01-22 | Robert Bosch Gmbh | Sensor, Verfahren sowie deren Verwendung zur Detektion der Größenverteilung von Teilchen in einem Gasstrom |
DE102008004210A1 (de) * | 2008-01-14 | 2009-07-16 | Robert Bosch Gmbh | Verfahren zur Temperaturmessung |
-
2010
- 2010-12-15 DE DE201010054669 patent/DE102010054669A1/de not_active Withdrawn
-
2011
- 2011-12-14 DE DE112011104413T patent/DE112011104413A5/de not_active Withdrawn
- 2011-12-14 WO PCT/EP2011/072760 patent/WO2012080336A1/de active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006009066A1 (de) * | 2005-04-01 | 2006-10-05 | Robert Bosch Gmbh | Sensorelement für Partikelsensoren und Verfahren zum Betrieb desselben |
DE102005030134A1 (de) | 2005-06-28 | 2007-01-04 | Siemens Ag | Sensor und Betriebsverfahren zur Detektion von Ruß |
DE102005041537A1 (de) | 2005-08-31 | 2007-04-12 | Siemens Ag | Verfahren zur Überwachung eines Rußpartikelfilters |
DE102005053120A1 (de) | 2005-11-08 | 2007-05-10 | Robert Bosch Gmbh | Sensorelement für Gassensoren und Verfahren zum Betrieb desselben |
DE102007033215A1 (de) * | 2007-07-17 | 2009-01-22 | Robert Bosch Gmbh | Sensor, Verfahren sowie deren Verwendung zur Detektion der Größenverteilung von Teilchen in einem Gasstrom |
DE102008004210A1 (de) * | 2008-01-14 | 2009-07-16 | Robert Bosch Gmbh | Verfahren zur Temperaturmessung |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020099150A1 (en) * | 2018-11-15 | 2020-05-22 | Delphi Technologies Ip Limited | Soot sensor arrangement |
CN113039354A (zh) * | 2018-11-15 | 2021-06-25 | 德尔福知识产权有限公司 | 烟尘传感器装置 |
CN113039354B (zh) * | 2018-11-15 | 2023-09-01 | 德尔福知识产权有限公司 | 烟尘传感器装置 |
US11815035B2 (en) | 2018-11-15 | 2023-11-14 | Delphi Technologies Ip Limited | Soot sensor arrangement |
Also Published As
Publication number | Publication date |
---|---|
DE102010054669A1 (de) | 2012-06-21 |
DE112011104413A5 (de) | 2013-10-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1623217B1 (de) | Sensor zur detektion von teilchen | |
EP1844316B1 (de) | Sensorelement für partikelsensoren und verfahren zum betrieb desselben | |
EP1896838B1 (de) | SENSOR UND BETRIEBSVERFAHREN ZUR DETEKTION VON RUß | |
WO2008113644A2 (de) | Sensorelement zur bestimmung von partikeln in einem messgas | |
DE102011085321B4 (de) | Partikelerfassungselement | |
EP1925926B1 (de) | Vorrichtung und Verfahren zur Überprüfung der Funktionsfähigkeit bzw. zur Plausibilisierung eines auf einem Elektrodensystem basierenden Sensors | |
EP2539561B1 (de) | Russsensorsystem | |
DE102016108030B4 (de) | Feinstaubsensor und Abgasreinigungssystem unter Verwendung desselben | |
EP1869428B1 (de) | Sensorelement für partikelsensoren und verfahren zum betrieb desselben | |
WO2006027288A1 (de) | Sensorelement für partikelsensoren und verfahren zum betrieb desselben | |
WO2007054424A1 (de) | Sensorelement für gassensoren und verfahren zum betrieb desselben | |
DE4445243A1 (de) | Temperaturfühler | |
WO2009043711A1 (de) | Verfahren zur eigendiagnose eines partikelsensors, zur durchführung des verfahrens geeignete partikelsensoren sowie deren verwendung | |
EP2145177B1 (de) | Sensor und verfahren zur detektion von teilchen in einem gasstrom | |
DE102006042605B4 (de) | Sensorelement für Gassensoren und Verfahren zum Betrieb desselben | |
EP2171437B1 (de) | Sensorelement zur detektion von leitfähigen partikeln in einem gasstrom sowie verfahren zu dessen herstellung und dessen verwendung | |
DE102011006167A1 (de) | Gassensor und Verfahren zur Erfassung der Unterbrechung bei einem Gassensor | |
WO2012084343A1 (de) | Heizelement für einen gassensor | |
DE102019115156A1 (de) | Abgasfeinstaubsensor | |
DE102008007664A1 (de) | Keramisches Heizelement | |
DE102011016490A1 (de) | Sensorvorrichtung zum Erfassen einer Gaskonzentration und einer Partikelkonzentration eines Abgases | |
DE102007046099A1 (de) | Sensorelement zur Detektion von Partikeln in einem Gasstrom und Verfahren zur Bestimmung und Kompensation des Nebenschlusswiderstands von Sensorelementen | |
DE102007046097B4 (de) | Verfahren zur Eigendiagnose eines Sensorelements zur Detektion von Teilchen in einem Gasstrom | |
DE102006002111A1 (de) | Sensorelement für Partikelsensoren und Verfahren zum Betrieb desselben | |
WO2012080336A1 (de) | Sensorvorrichtung für partikel |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11811013 Country of ref document: EP Kind code of ref document: A1 |
|
DPE1 | Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101) | ||
WWE | Wipo information: entry into national phase |
Ref document number: 1120111044135 Country of ref document: DE Ref document number: 112011104413 Country of ref document: DE |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: R225 Ref document number: 112011104413 Country of ref document: DE Effective date: 20131031 |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 11811013 Country of ref document: EP Kind code of ref document: A1 |