WO2008125400A1 - Capteur de gaz pour déterminer une propriété physique d'un gaz mesuré - Google Patents

Capteur de gaz pour déterminer une propriété physique d'un gaz mesuré Download PDF

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Publication number
WO2008125400A1
WO2008125400A1 PCT/EP2008/052870 EP2008052870W WO2008125400A1 WO 2008125400 A1 WO2008125400 A1 WO 2008125400A1 EP 2008052870 W EP2008052870 W EP 2008052870W WO 2008125400 A1 WO2008125400 A1 WO 2008125400A1
Authority
WO
WIPO (PCT)
Prior art keywords
ceramic
housing
gas sensor
gas
sensor
Prior art date
Application number
PCT/EP2008/052870
Other languages
German (de)
English (en)
Inventor
Georg Rixecker
Benjamin Hagemann
Ralf Schmidt
Original Assignee
Robert Bosch Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2008125400A1 publication Critical patent/WO2008125400A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403—Cells and electrode assemblies
    • G01N27/406—Cells and probes with solid electrolytes
    • G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403—Cells and electrode assemblies
    • G01N27/406—Cells and probes with solid electrolytes
    • G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
    • G01N27/4078—Means for sealing the sensor element in a housing

Definitions

  • the invention is based on a gas sensor for determining a physical property of a measurement gas, in particular the concentration of at least one gas component or the temperature in the measurement gas, according to the preamble of claim 1.
  • the metallic sensor housing from a measuring gas side housing part and a connection-side housing part is composed, the end overlap each other and are interconnected by a circumferential weld.
  • the measuring gas side housing part is a tube element which is open on both sides, in which two ceramic shaped parts and an intermediate sealing element made of steatite powder keep the sensor element gas-tight.
  • the sensor element is on the measured gas side of a double protective tube, consisting of an inner protective tube and a coaxial outer protective tube, surrounded.
  • the protective tubes have Gas thoroughly facilitatesöffhungen through which the Messoder exhaust gas can reach the sensor element.
  • connection-side housing part is also tubular and is provided with a molded mounting flange.
  • This mounting flange is used to install the gas sensor in a arranged on the exhaust line of an internal combustion engine, hollow cylindrical connector.
  • the gas sensor is inserted into the connector, wherein the mounting flange rests on the annular end face of the connector.
  • a union nut is screwed onto the connection piece, which presses the mounting flange onto the ring surface of the connection piece and thus ensures a gas seal.
  • At the end facing away from the mounting flange, measuring gas remote end of the connection-side housing part a metallic casing tube is welded, in which the connecting cable is guided in the connection-side housing part.
  • Connection cable has several, insulated, electrical conductors which are connected to contact parts.
  • the contact parts are contacted on contact surfaces cohesively, which are present on the in the connection-side housing part eino, connection-side end portion of the sensor element. Disclosure of the invention
  • the gas sensor according to the invention with the features of claim 1 has the advantage that the obstruction of the sensor element in the sensor housing with substantially fewer parts and thereby the contact area between the sensor element and connecting cable against gas access, such as Messoder exhaust gas or ambient air, hermetically sealed.
  • the ceramic housing ensures a reliable, electrical insulation of the sensor element with respect to the metallic sensor housing, even if, as a result of the high operating temperature of the gas sensor, the electrical resistance of the glass melt surrounding the contact area decreases.
  • the ceramic housing provides for accurate positioning of the sensor element during fabrication of the glass enclosure including the contact area, and allows for the fabrication of a complete enclosure group outside of the sensor housing, which can then be inserted into the sensor housing in a simple assembly operation.
  • the ceramic housing also keeps the aggressive exhaust away from the glass melt, so that the latter is not exposed to aggressive corrosion.
  • the ceramic housing separates the glass melt from the metallic sensor housing so that the metallic sensor housing is not exposed to a fairly large corrosivity of the glass melt which may occur at high operating temperatures.
  • the ceramic housing also permits a good positioning of the at least one electrical conductor of the connection cable on the contact surface of the sensor element and thus an automated method, such as, for example, Gap or laser welding for cohesive connection of the at least one electrical conductor to the contact surface of the sensor element.
  • the ceramic housing has a ceramic pot with a bottom in the pot arranged, central opening for the passage of the sensor element and a pot opening occlusive ceramic bushing through which the at least one conductor of the connecting cable is passed.
  • the ceramic bushing has on its pointing into the interior of the pot end face a central recess for positive immersion of the sensor element end and on its side facing away from the end face a central blind hole for receiving the sensor-side end of the connecting cable.
  • the at least one electrical conductor goes from the blind hole bottom at least one ceramic bush penetrating channel, which on the Topfmnern facing end face of the ceramic sleeve With radial distance from the central recess opens.
  • This structural design of the ceramic housing makes it easy to manufacture the assembly of sensor element, connecting cable and ceramic housing outside of the sensor housing, while ensuring a good mutual positioning of connecting cable and sensor element, both the cohesive bonding of at least one conductor to the contact surface of the sensor element as well as the production of the glass melting with technically less demanding automatic manufacturing possible.
  • connection cable with its cable sheath dips into the blind hole of the ceramic bushing.
  • Cable sheath and the blind hole bottom is closed with a glass seal surrounding the at least one conductor which is passed through the ceramic bushing.
  • a glass bead which is already used in the preparation of a metal sheathed cable used as a connection cable in the end of the metal sheath line to protect the mineral filler in the metal sheath against water absorption, melted in the furnace process for producing the Glaseinschmelzung in the ceramic pot, wherein the melt the cable exit Closes gastight in the blind hole.
  • the cover is preferably formed as a disc made of metal.
  • the blind hole is funnel-shaped and, in addition to a cylindrical first hole section into which the end of the connection cable dips with the cable jacket, has a second hole section which adjoins it outwardly and tapers conically to the cover element.
  • the second hole section is filled with a glass seal. By created in the second hole portion, larger volume of the glass seal a secure seal of the gap between the connecting cable and the ceramic sleeve is achieved.
  • the cover element is advantageously fixed on the jacket of the connection cable, e.g. by welding or shrinking or forming the cover.
  • Glass seal in the second hole portion of the blind hole is preferably made by the glass solder melting during the furnace process of a glass solder used in the ceramic pot, to which the inside diameter of the at least one ceramic sleeve penetrating channel is made larger than the conductor diameter of the sensed through the channel conductor of the connecting cable and / or in the ceramic bush additional channels are introduced, which open in the second hole portion of the blind hole.
  • an additional Glass frit are inserted into the second hole portion of the blind hole, which then melts in the oven process.
  • the sensor housing is closed at one end of the housing at least with an inner protective tube which encloses a projecting from the sensor housing, the measuring gas exposed end portion of the sensor element, and the ceramic housing between a formed on the inner protective tube and a sensor housing on the stop with bias axially fixed.
  • An additional seal is achieved according to a further embodiment of the invention in that the sensor housing and the inner protective tube each have an annular flange is formed, which is flanged adjacent annular flanges of the end of a pushed onto the inner protective tube outer protective tube and between the annular flanges and the outer wall of the Ceramic pot a seal is made.
  • FIG. 1 is a perspective view of a gas sensor
  • Fig. 2 is a longitudinal section of the gas sensor in Fig. 1
  • Fig. 3 is a perspective view of a ceramic bushing in the gas sensor of FIG. 2
  • Fig. 4 is a same view as in Fig. 2 of the gas sensor with a modified
  • FIG. 5 shows an enlarged view of the section V in FIG. 4 with a further modification of the ceramic bushing, FIG.
  • FIG. 6 is an enlarged view of the detail VI in Figure 2 in the Verbauungsschreib of the gas sensor on the exhaust system of an internal combustion engine.
  • FIG. 7 is an enlarged view of the detail VI in Fig. 2 with a modification of
  • FIG. 8 is a same view as in Fig. 7 with a further modification of
  • the gas sensor shown in perspective in FIG. 1 and in longitudinal section in FIG. 2 for determining a physical property of a measuring gas, in particular the concentration of at least one Gas component or the temperature in the measurement gas, for example, is a lambda probe for measuring the oxygen concentration in the exhaust gas of an internal combustion engine.
  • the gas sensor may also be designed for measuring the concentration of nitrogen oxides in the exhaust gas or for measuring the temperature of the measurement gas.
  • the gas sensor has a sensor housing 11, a sensor element 12 and a connection cable 13 with a plurality of insulated electrical conductors 14.
  • the connecting cable 13 is formed as a metal sheath line known per se.
  • the metal sheath line has, in a known manner, a metal jacket 19 made of oxidation-resistant and corrosion-resistant material, into which good insulating mineral powder 18 is pressed, in which again the wire-shaped conductors 14 are embedded at a distance from each other.
  • the connecting cable 13 is connected to a conventional motor vehicle harness and connected via this to a control unit.
  • the sensor housing 11 is made of a metal tube, preferably made of a stainless steel tube, and has a cylindrical receiving portion 111 for partially receiving the sensor element 12 and an adjoining, reduced in diameter mounting portion 112 for the connecting cable 13.
  • the support portion 112 is made by crimping the metal tube in its over-connecting cable 13 extending region.
  • An annular flange 15, which is used to install the gas sensor at the measuring location, is formed on the end of the sensor housing 11 facing away from the mounting portion 112, as will be described below in connection with FIG. 6.
  • the sensor element 12 has a projecting from the sensor housing 11 and of a gas passage holes 17 having double protection tube covered, measuring gas side end portion 121 and a receiving portion 111 of the sensor housing 11, terminal side end portion 122 on.
  • contact surfaces 16 are arranged on the large surfaces facing away from one another, which are connected via line paths (not illustrated here) to electrodes arranged in the measurement gas side end section 121 of the sensor element 12.
  • an electrical conductor 14 of the connecting cable 13 is contacted in each case, wherein by resistance welding, gap welding or brazing a cohesive connection between the electrical conductor 14 and the contact surface 16 is made.
  • Connecting line 13 are positioned in a ceramic housing 20, which is closed on all sides, and enclosed in a glass seal 21 produced in the ceramic housing 20.
  • the ceramic housing 20 is inserted radially positively in the receiving portion 111 of the sensor housing 11.
  • the ceramic housing 20 is in two parts and consists of a housing pot 22 with a cup bottom 221 arranged in the central opening 23 for the passage of the sensor element 12 and a pot opening of the housing pot closing ceramic bushing 24, through which the electrical conductors 14 of the connection cable 13 are guided through to the contact surfaces 16 of the connection-side end portion 122 of the sensor element 12.
  • the ceramic pot 22 has an annular collar 222 that extends from the pot jacket in one piece over the bottom of the pot 221 and protrudes from the receiving portion 111 of the sensor housing 11 when the ceramic housing 20 is inserted into the sensor housing 11.
  • the enlarged in Fig. 2 in longitudinal section and in Fig. 3 and shown in perspective ceramic bushing 24 has a T-shaped longitudinal profile with a cylindrical central portion 241 and a disk-shaped cross member 242, wherein the central portion 241 positively engages the ceramic pot 22, while the cross member 242 rests flush with the outer wall of the ceramic pot 22 on the annular end face of the ceramic pot 22.
  • the ceramic bushing 24 has a central blind hole 25 for receiving the sensor-side end of the connecting cable 13 and a central recess 26 for positive insertion of the sensor element 12. Blind hole 25 and recess 26 are introduced from mutually remote end faces of the ceramic sleeve 24 in this.
  • each channel 27 has a at the bottom of the blind hole 25 adjoining the first channel portion 271, the clear diameter of which corresponds approximately to the conductor diameter, and extending thereon to the end face of the central portion 241, radially outwardly expanded second channel portion 272, in which Ladder 14 can be bent outward (see also Fig. 5).
  • the ceramic bushing 24 is beveled from the free end face of the central part 241 outwardly in the end region of the radially outwardly widened second channel sections 272.
  • the ceramic bushing 24 is plugged onto the end of the connecting cable 13, wherein the electrical conductors 14 are guided so far through the channels 27 until the metal shell 19 dips into the blind hole 25.
  • the end of the prefabricated connection cable 13 is a to protect the mineral powder 18 against damaging moisture introduced glass bead 29, which thus comes to lie in the blind hole 25.
  • the electrical conductors 14 are bulged, whereby a positive connection of the connecting cable 13 with the ceramic bush 24 is achieved.
  • This module is used in a workpiece carrier.
  • the sensor element 12 is inserted with the end of its connection-side end portion 122 in the central recess 26 of the ceramic sleeve 24, wherein the electrical conductors 14 are slightly pulled apart and then due the spring action spring back again to lie flat on the contact surfaces 16.
  • the electrical conductors 14 are fixed to the contact surfaces 16 by gap welding, wherein the contact points for the welding electrodes are freely accessible through the described bevel of the central portion 241 of the ceramic sleeve 24.
  • On the sensor element 12 is a Glaspulver- or Glaslotpressling 28 made of glass or a glass ceramic for later production of the Glaseinschmelzung 21 postponed.
  • the glass solder compact 28 has corresponding recesses for the sensor element 12 and for the electrical conductors 14.
  • the ceramic pot 22 is pushed over the glass solder compact 28, wherein the sensor element 12 passes through the opening 23 in the pot bottom 221.
  • the ceramic pot 22 is pushed over the middle part 241 of the ceramic bushing 24 and placed in a form-fitting manner on the transverse part 242 of the ceramic bushing 24.
  • the pre-assembled module is inserted into a furnace. During the oven process, the glass solder 28 and the glass bead 29 are melted.
  • the glass melt of the glass solder preform 28 flows into the channels 27 in the contact bushing 24 and, on the other hand, encloses the electrical conductors 14 welded onto the contact surfaces 16, so that the contact area between sensor element 12 and connecting cable 13 is completely enclosed in the glass melt 21.
  • Glaseinschmelzung 21 largely fills the interior of the ceramic pot 22.
  • melting glass bead 29 creates a glass seal that protects the rear end of the ceramic sleeve 24 and the front end of the connecting cable 13 against moisture penetration.
  • the glass bead 29 is formed convex, so that a portion of the glass melt of the glass bead 29 is drawn during the furnace process by capillary forces in the gap between the ceramic sleeve 24 and connecting cable 13 and also completes this gas-tight.
  • glass bead 29 and glass solder compact 28 are shown, as they are made up before the furnace process. After the oven process, the cavities still visible in FIG. 2 are completely filled up by the glass seal 21 and the glass seal. Accordingly, the glass melt flowing into the cavities inside the ceramic pot 22 directly leaves a corresponding cavity on the bottom of the pot 221.
  • the sensor housing 11 is first of all a smooth metal tube, in particular a noble metal tube, with an annular flange 15 integrally formed on its end, the tubular section of which immediately adjoins the annular flange forming the receiving section 111 of the sensor housing 11.
  • the double protection tube is attached.
  • the double protection tube has an inner protective tube 30 with an enlarged diameter end portion 301 and an integrally formed on the front end of the end portion 301 annular flange 31 and a pushed onto the end portion 301 of the inner protective tube 20 outer protective tube 32.
  • Both protective tubes 30, 32 are formed as deep-drawn parts and provided with the gas passage holes 17.
  • Protective tube 30 has the same dimensions as the annular flange 15 on the sensor housing 11.
  • the voltage applied to the annular flange 31 of the inner protective tube 30 end of the outer protective tube 32 is after bent over and is flanged after applying both annular flanges 15 and 31 to the two annular flanges 15, 31.
  • the flange also serves as a mounting and sealing flange 33 when installing the gas sensor in the exhaust system of an internal combustion engine, as shown in Fig. 6.
  • Ceramic housing 20 forms. Preferably, in this position of the ceramic housing 20, the pot bottom 221 of the ceramic pot 22 in the plane of the mounting flange 33 to ensure increased stability of the ceramic pot 22 when mounting the gas sensor to the exhaust pipe 34 (FIG. 6) of the internal combustion engine. Then, the pipe portion behind the ceramic sleeve 24, which extends over the connecting cable 13, crimped star-shaped, whereby the reduced diameter support portion 112 of the sensor housing 11 is formed. During the crimping, a transition region which tapers towards the ceramic bushing 24 and forms a sensor housing-side second stop for the ceramic housing 20 forms in the metal tube between the receiving section 111 and the mounting section 112 of the sensor housing 11.
  • the ceramic housing 20 is thus fixed between the protective tube side first stop and the sensor housing side second stop with axially directed bias. As a result of this prestressing of the ceramic housing 20, a good sealing effect is achieved with respect to the sample gas, so that it can not escape between any air gaps that may exist between the sensor housing 11 and the ceramic housing 20. With the crimping a clamping of the connecting cable 13 is achieved in the sensor housing 11 at the same time, so that the connecting cable 13 is fixed tensile strength in the sensor housing 11 and no tensile forces can act on the contact area between connecting cable 13 and sensor element 12. In addition, indentations can still be made in the holder section 112 or the holder section 112 can be spot-welded or linearly welded to the metal jacket 19 of the connection cable 13.
  • a detail of an exhaust pipe 34 of an internal combustion engine is shown in the pipe wall 341, a mounting hole 35 is introduced for insertion of the measuring gas side end of the gas sensor.
  • a hollow cylindrical connector 36 is welded, which is provided with an external thread 37. The gas sensor is now with his
  • Double protective tube inserted through the connector 36 until the mounting flange 33 rests on the annular end face of the connector 36.
  • a union nut and a hollow screw can be used. If the hollow-cylindrical connecting piece is provided with an internal thread, then a union nut or hollow screw with an external thread is used for fixing the mounting flange 33.
  • the annular flanges 15 and 31 on the sensor housing 11 and inner protective tube 30 are not bent at right angles, but at an obtuse angle, so that the
  • Ring flange 15 with the sensor housing 11 and the annular flange 31 with protective tube 30 each include an angle greater than 90 °.
  • the annular flanges 15 and 31 in the plane of the pot bottom 221 are not flat, but only with their outer edge to each other, as shown in Fig. 7.
  • the screwing of the nut 38 generates an axial pressing force, which causes a deformation of the annular flanges 15, 31 and also partially the tube wall of the sensor housing 11 and inner protective tube 30.
  • the seal between the mounting flange 33 and the annular end face of the connecting piece 36 is significantly improved.
  • the sealing ring 40 may for example consist of nickel.
  • the sealing ring 40 at least elastically, but also partially plastically deformed and expresses itself in existing gaps between ceramic housing 20 and sensor housing 11 on the one hand and ceramic housing 20 and inner protective tube 30 on the other hand thus causes a very good seal in the clamping area of the union nut 38.
  • FIGS. 4 and 5 The embodiment of the gas sensor illustrated in FIGS. 4 and 5 is modified relative to the previously described gas sensor only with respect to the glass seal on the end face of the ceramic bushing 24 facing away from the ceramic pot 22. All other components and assemblies are identical, so that they are marked with the same reference numerals.
  • the blind hole 25 In the embodiment of FIGS. 4 and 5, the cover 41 is designed as a metal disc 42 and made the fixing of the metal disc 42 on the metal shell 19 of the connecting cable 13 by welding or by shrinking or by forming the metal plate 42.
  • the metal disk 42 can be compressed in the axial direction while at the same time limiting the outer circumference in the radial direction.
  • the metal plate 42 may initially be funnel-shaped and formed by axial
  • the blind hole 25 'covered by the metal disk 42 is completely sealed with a solidified molten glass.
  • This glass seal 43 is achieved, for example, by inserting a shape-adapted glass solder compact into the second hole section 252 of the blind hole 25 ', which then melts in the furnace process.
  • the glass seal 43 in the blind hole 25 ' is not generated by a separate glass solder or glass powder compact but by glass melt flowing into the blind hole 25' of the glass solder compact 28 melting in the ceramic pot 22 during the furnace process
  • either the clear diameter of the channels 27, through which the conductors 14 are passed is dimensioned to be significantly larger than the outer diameter of the conductors 14 or additional channels 44 are introduced into the ceramic bushing 24, which open in the second hole section 252. It is also possible to provide for both measures.
  • the glass solder compact 28 melts during the furnace process molten glass penetrates through the channels 44 and / or the widened channels 27 into the blind hole 25 '. Outflow of the molten glass from the blind hole 25 'is prevented by the metal disk 42. This is a very reliable, gas and moisture-tight sealing of the inlet region of the connecting cable 13 in the ceramic bushing 24 brought about.
  • the metal plate 42 also serves as a holder for the
  • the presence of the metal disc 42 leads to a further improvement of the support of the connecting cable 13 caused by the guide portion 112 of the sensor housing 11.
  • the metal disc 42 before crimping the rear tube portion of the metal tube along its circumference with the metal tube be welded.
  • the metal plate 42 may also be executed cup-shaped and the ceramic sleeve 24 overlap with their Topfmantel.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Molecular Biology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)

Abstract

L'invention concerne un capteur de gaz servant à déterminer une propriété physique d'un gaz mesuré, en particulier la concentration d'au moins un composant ou la température du gaz mesuré, ce capteur présentant un élément sensible (12), un boîtier (11) dans lequel l'élément sensible (12) est logé au moins partiellement et un câble de raccordement (13) qui sort axialement du boîtier (11) et qui comprend au moins un conducteur électrique (14) mis en contact sur l'élément sensible (12). Selon l'invention, pour que l'élément sensible (12) soit blindé avec un nombre réduit de pièces individuelles dans le boîtier (11) du capteur de manière étanche aux gaz et de façon à pouvoir supporter une charge mécanique, la zone de contact entre l'élément sensible (12) et le ou les conducteurs électriques (14) ainsi que les sections d'extrémité de l'élément sensible (12) et du câble de raccordement (13) situées face à face dans cette zone de contact sont placées dans un boîtier en céramique (20) fermé sur toutes ses faces et enveloppées dans un verre de scellement (21) remplissant sensiblement le boîtier en céramique (20) et ledit boîtier en céramique (20) est logé dans le boîtier (11) du capteur par complémentarité de forme radialement.
PCT/EP2008/052870 2007-04-17 2008-03-11 Capteur de gaz pour déterminer une propriété physique d'un gaz mesuré WO2008125400A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200710018001 DE102007018001A1 (de) 2007-04-17 2007-04-17 Gassensor zur Bestimmung einer physikalischen Eigenschaft eines Messgases
DE102007018001.4 2007-04-17

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Publication Number Publication Date
WO2008125400A1 true WO2008125400A1 (fr) 2008-10-23

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WO (1) WO2008125400A1 (fr)

Cited By (5)

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CN102620847A (zh) * 2012-03-22 2012-08-01 西安航空制动科技有限公司 真空感应化学气相沉积炉测温热电偶的转接器
CN102713595A (zh) * 2009-11-20 2012-10-03 未来技术(传感器)有限公司 传感器组件
WO2017102765A1 (fr) * 2015-12-17 2017-06-22 Continental Automotive Gmbh Capteur et procédé de fabrication d'un capteur destiné à être utilisé dans une ligne d'échappement
DE102017201724B3 (de) 2017-02-03 2018-06-21 Continental Automotive Gmbh Elektrostatischer Partikelsensor und dessen Herstellungsverfahren zur Verwendung in einem Abgasstrom einer Brennkraftmaschine
JP2020506397A (ja) * 2017-02-13 2020-02-27 ヘレウス ネクセンソス ゲーエムベーハーＨｅｒａｅｕｓ Ｎｅｘｅｎｓｏｓ ＧｍｂＨ ガス分析センサ

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DE102009047513B4 (de) * 2009-12-04 2024-03-28 Robert Bosch Gmbh Vorrichtung zum Anschließen eines Sensorelements
DE102012110167B4 (de) * 2012-10-24 2014-06-18 Sick Ag Sensor
DE102012112872A1 (de) * 2012-12-21 2014-07-10 Conti Temic Microelectronic Gmbh Sensoranordnung und Verfahren zur Herstellung einer Sensoranordnung

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US5602325A (en) * 1994-09-27 1997-02-11 General Motors Corporation Exhaust sensor having flat plate ceramic sensing element and a sealing package
DE19707459A1 (de) * 1997-02-25 1998-08-27 Bosch Gmbh Robert Dichtung für ein Sensorelement eines Meßfühlers
US20020014411A1 (en) * 2000-06-30 2002-02-07 Makoto Shirai Sealing structure of gas sensor

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DE19638208C2 (de) 1996-09-19 2000-03-23 Bosch Gmbh Robert Hochtemperaturstabile elektrische Kontaktierung eines Sensorelements sowie Verfahren zu deren Herstellung

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Publication number Priority date Publication date Assignee Title
US5602325A (en) * 1994-09-27 1997-02-11 General Motors Corporation Exhaust sensor having flat plate ceramic sensing element and a sealing package
DE19707459A1 (de) * 1997-02-25 1998-08-27 Bosch Gmbh Robert Dichtung für ein Sensorelement eines Meßfühlers
US20020014411A1 (en) * 2000-06-30 2002-02-07 Makoto Shirai Sealing structure of gas sensor

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102713595A (zh) * 2009-11-20 2012-10-03 未来技术(传感器)有限公司 传感器组件
JP2013511705A (ja) * 2009-11-20 2013-04-04 フューチャー テクノロジー（センサーズ）リミテッド センサー装置
CN102713595B (zh) * 2009-11-20 2015-03-25 未来技术(传感器)有限公司 传感器组件
CN102620847A (zh) * 2012-03-22 2012-08-01 西安航空制动科技有限公司 真空感应化学气相沉积炉测温热电偶的转接器
WO2017102765A1 (fr) * 2015-12-17 2017-06-22 Continental Automotive Gmbh Capteur et procédé de fabrication d'un capteur destiné à être utilisé dans une ligne d'échappement
DE102017201724B3 (de) 2017-02-03 2018-06-21 Continental Automotive Gmbh Elektrostatischer Partikelsensor und dessen Herstellungsverfahren zur Verwendung in einem Abgasstrom einer Brennkraftmaschine
US11242792B2 (en) 2017-02-03 2022-02-08 Vitesco Technologies GmbH Sensor and production method therefor for use in an exhaust gas stream of an internal combustion engine
JP2020506397A (ja) * 2017-02-13 2020-02-27 ヘレウス ネクセンソス ゲーエムベーハーＨｅｒａｅｕｓ Ｎｅｘｅｎｓｏｓ ＧｍｂＨ ガス分析センサ
US11054378B2 (en) 2017-02-13 2021-07-06 Heraeus Nexensos Gmbh Sensor for analyzing gases
JP7090629B2 (ja) 2017-02-13 2022-06-24 ヘレウス ネクセンソス ゲーエムベーハー ガス分析センサ

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