WO2004023497A1 - Anschlussleitung für einen messfühler - Google Patents
Anschlussleitung für einen messfühler Download PDFInfo
- Publication number
- WO2004023497A1 WO2004023497A1 PCT/DE2003/002360 DE0302360W WO2004023497A1 WO 2004023497 A1 WO2004023497 A1 WO 2004023497A1 DE 0302360 W DE0302360 W DE 0302360W WO 2004023497 A1 WO2004023497 A1 WO 2004023497A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- insulating
- connection line
- line according
- holes
- electrical conductors
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/16—Rigid-tube cables
Definitions
- the invention relates to a connecting line for a sensor, in particular for a sensor for determining a physical property of a measuring gas, in particular for determining the oxygen content or the temperature in the exhaust gas of internal combustion engines, according to the preamble of claim 1.
- the jacket tube is largely bent at right angles during assembly in order to contact the connecting line, ie to be able to connect it to the vehicle electrical system.
- the electrical conductors are electrically insulated from one another and from the tubular casing.
- the electrical conductors are sheathed with high-strength electrical insulation, for example glass silk, and four or five sheathed electrical conductors are made of a temperature-resistant metal, for example CrNi or NiCr -Ligments, existing casing tube added with the greatest possible packing density.
- connection side the electrical conductor to crimp barrels are welded, in which the ends of leading to a connector: are caulked connection cables.
- the crimp sleeves are cast together with one end of the jacket tube and the end region of the connecting cable with a sealing element, for example made of PTFE.
- a sealing element for example made of PTFE.
- Connection lines for an exhaust gas lambda probe run inside the stainless steel jacket tube a pair of bare electrical conductors made of nickel wire and a pair of ventilation tubes made of stainless steel.
- the electrical insulation consists of a magnesium powder, which is filled into the metal tube so that the two pairs of electrical conductors and ventilation tubes are arranged diametrically opposite one another in the four corner points of a square and are completely insulated from one another and from the jacket tube by the magnesium powder. A such connection line cannot be bent during assembly.
- the connecting line according to the invention with the features of claim 1 has the advantage that the electrical conductors are guided through the insulating washers at a defined distance from one another and with respect to the jacket tube and thus as electrical conductors bare wires without the very expensive sheathing made of high-temperature resistant material can be used.
- the manufacturing process of the connecting line can be made very simple and cost-saving, since the insulating bodies only have to be threaded onto the conductors and the threading unit can then be pulled into the jacket tube without problems.
- the insulating bodies are supported directly on one another in one part of the body and are spaced apart from one another in the other part of the body region remaining in the support plane, towards the outer circumference of the body. This distance can be achieved by chamfering or rounding off the insulating body.
- This geometry of the insulating body ensures the bendability of the connecting line, since when the jacket tube is bent over, the insulating body is present due to the presence in the partial area Free space can be set at an acute angle to each other and thus allow the casing tube to be curved.
- the distances between the electrical conductors on the one hand and between the electrical conductors and the jacket tube on the other hand are kept constant and a short circuit by touching the bare wires is avoided.
- the insulating bodies are designed as panes, the at least one pane surface of which is chamfered in a partial area towards the center of the pane and lie flat against one another with their flat pane surface area.
- the partial beveling of the insulating washers can be carried out on each pane surface or on one of the two pane surfaces. Instead of a bevel, a rounding can also be carried out in such a way that a radius of curvature connects the one pane surface to the other.
- the through holes are arranged in each insulating washer so that their hole axes lie side by side on a diameter line.
- the insulating disks each have a through opening, the through openings in the adjacent insulating disks being aligned with one another.
- a preferably round spring rod is passed through the through holes and is axially immovable in the tubular casing is held.
- the bracket is realized by axially supporting the spring rod in the area of the pipe ends. The spring rod tensions the insulating washers after the casing tube has been bent over, so that vibrations of the insulating washers during driving, which could lead to the breaking of the insulating washers, are avoided.
- the two outer of the adjacent insulating washers are axially supported in the jacket tube.
- the support at the connection-side end of the casing pipe is carried out by means of a sealing body made of electrically insulating material which is pressed into the casing pipe, and the support at the sensor-side end of the casing pipe is carried out by means of an insulating body which is supported on the casing pipe.
- the insulating body is in turn supported on at least one end disk made of electrically insulating material and closing the sensor-side end of the tubular casing.
- the insulating body and the at least one end plate lie in that part of the tubular casing which is not bent but remains stretched.
- the at least one end plate defines the desired connection pattern of the electrical conductors for the sensor element, and the insulating body, with its through holes, establishes the transition from the arrangement of the through holes for the electrical conductors in the insulating plates that differs spatially from the connection pattern.
- 1 is a longitudinal section of a connecting line for a sensor in the delivery state
- Fig. 2 is a side view of the connecting line in
- FIGS. 1 and 2 are a side views of an insulating washer in the connecting line in FIGS. 1 and 2,
- FIG. 4 is a plan view of the insulating washer in the direction of arrow IV in FIG. 3,
- FIGS. 3 and 4 are perspective views of the insulating washer in FIGS. 3 and 4,
- FIG. 6 is a side view of an insulating body in the connecting line in Fig. 1 and 2,
- Fig. 7 is a plan view of the insulating body in the direction
- FIGS. 6 and 7 is a side view of an end plate of the connecting line in Fig. 1 and 2,
- FIG. 10 is a plan view of the end plate in the direction of arrow X in FIG. 9,
- FIG. 11 is a perspective view of the end plate in FIGS. 9 and 10.
- the connecting line 11 has a jacket tube 13 made of high-temperature-resistant metal and, in the exemplary embodiment, a total of five electrical conductors 14 which run inside the jacket tube 13 between a sensor-side end 11 and a connection-side end 12 of the jacket tube 13.
- the electrical conductors 14 are designed as bare, high-temperature resistant wires.
- the electrical conductors 14 are guided in insulating means which prevent the electrical Even when the jacket tube 13 is bent during assembly, as shown in FIG. 2, the conductor 14 comes into mutual contact or comes into contact with the jacket tube 13.
- insulating bodies which in the exemplary embodiment are designed as insulating disks 15, but can also have a different geometric shape.
- the insulating washers 15 lie against one another with their washer surfaces 151, 152 (FIG. 3) and are supported with their peripheral surfaces 154 (FIG. 3) partially on the casing tube 13.
- the insulating washers 15 have through holes 16 aligned with one another (FIG. 3), and one of the electrical conductors 14 is guided through through holes 16 aligned with one another.
- an insulating washer 15 is shown in side view, top view and perspective view.
- the two mutually parallel disk surfaces 151, 152 are beveled at an acute angle in the lower surface area toward the disk center 153, so that - as can be seen in FIG. 1 - an area on each disk surface 151, 152 runs parallel to the disk center in the following referred to as the parallel surface 151b or 152b, and results in a region which extends at an obtuse angle, hereinafter referred to as the inclined surface 151a or 152a.
- Each insulating washer 15 lies with its peripheral surface 154 on the inner wall of the casing tube 13.
- the circumferential surface 154 has a plane, running like a chord Surface section 154a.
- the hole axes 161 of five equidistant through holes 16 are placed on a diameter line running parallel to this flat surface section 154a. Their number corresponds to the number of electrical conductors 14 to be guided in the jacket tube 13, which can be of any type and depends on the connection requirements of the sensor element.
- each insulating pane 15 has a concave bulge 18 on the pane surface 151 and a convex bulge 19 on the pane surface 152.
- the arch 19 and the bulge 19 each enclose the inlet openings and the
- the bulges 18 and bulges 19 are matched in terms of shape so that the bulges 18 and bulges 19 of adjacent insulating washers 15 interlock positively (see FIGS. 1 and 2).
- a total of fourteen insulating disks 15 are strung together in the manner described and held axially immovably in the tubular casing 13.
- the number of insulating disks 15 depends on the length of the casing tube 13.
- a round spring rod 20 is guided through the mutually aligned through openings 17 and is likewise held immovably in the casing tube 13 in the axial direction.
- Through the aligned through holes 16 in the Insulating washers 15 are passed through one of the five electrical conductors 14, only one of which can be seen in FIGS. 1 and 2.
- an insulating body 21 and two adjoining end plates 22 are arranged, which support the sensor for the series of the insulating plates 15 form.
- the jacket tube 13 is flanged on the end of the outer end disk 22.
- the end plate 22 is shown enlarged in FIGS. 9-11. It is circular and is supported with its peripheral surface 224 on the inner wall of the casing tube 13. According to the number of electrical conductors 14, it has five through holes 23 with the same diameter as the through holes 16 in the insulating disks 15, which are arranged in accordance with the connection diagram of the electrical conductors 14 specified by the sensor element. in the
- connection diagram is approximately U-shaped, with three through holes 23 in the transverse yoke of the U and one through hole 23 each in the legs of the U.
- Another connection diagram is of course possible, for example three through holes 23 lying on one of two parallel lines which are at the same distance from the diameter line.
- the disk surfaces 221 and 222 of the end disk 22 are flat and parallel to one another.
- the insulating body 21 made of high-temperature-resistant, electrical insulation material is shown in FIGS. 6-8.
- Insulating bodies 21 are provided with through bores 26 such that their inlet openings lying in the end face 211 of the insulating body '21 are congruent with the outlet openings on the disk surfaces 152 of the insulating disks 15 and their outlet openings arranged in the end face 212 are congruent with the hole pattern of the through holes 23 in the end disk 22 are.
- an axial through hole 31 is made in the insulating body 21 so that it is aligned with the through openings 17 in the insulating washers 15.
- the axial through bore 31 has the same diameter as the through openings 17 and serves to pass the spring rod 20.
- a concave bulge 27 is in turn incorporated in such a way that it is able to positively accommodate the convex bulge 19 of an insulating disk 15.
- a convex bulge 28 is provided, which is designed such that it can be inserted in a form-fitting manner into the concave curvature 24 of an end disk 22.
- connection-side end 12 of the jacket tube 13 the electrical conductors 14 are each connected to an electrical connection cable 29 by ultrasonic welding.
- the connecting cables 29, of which only one can be seen in FIGS. 1 and 2, are with one not shown here
- connection plug connected.
- the casing tube 13 the lining up of the insulating washers 15 is supported by a sealing body 30 pressed into the end 12 of the casing tube 13.
- This sealing body 30 has circumferential, axially spaced sealing lips 301, which press against the inner wall of the casing tube 13 and ensure a sufficient sealing effect.
- the individual electrical conductors 14 are threaded through the mutually aligned through holes 16 in the insulating disks 15, through the through holes 26 in the insulating body 21 and through the through holes 23 in the two end disks 22 and are located at the sensor-side end 11 of the tubular casing 13 before, so that they can be contacted accordingly by the sensor element.
- a protective cap 32 shown in broken lines in FIG. 1, is pushed onto the sensor-side end 11 of the casing tube 13 and protects the projecting ends of the electrical conductors 14 against damage.
- the sealing body 30 surrounding the connection-side ends of the electrical conductors 14 and the connecting cable 29 contacted thereon is pressed into the casing tube 13 and then the casing tube 13 is rolled in this area, so that a shape and non-positive connection between the casing tube 13 and the sealing body 30 is formed.
- the connecting line When mounting the sensor, the connecting line is bent at right angles in the direction of arrow 33 in FIG. 1, so that it assumes the shape shown in FIG. 2.
- This bending is possible due to the described geometry of the insulating washers 15, since these are joined together like the vertebrae of a spine.
- the mutually facing inclined surfaces 151a and 152a of adjacent insulating disks 15 permit such a bend, since they do not lie flat against one another, but instead leave an acute-angled free space, and come into contact with one another only after the metal tube 13 has been curved accordingly.
- the design of the insulating body is not limited to the geometric design of the insulating washers 15.
- the insulating washers 15 can also be chamfered on one of the sides facing away from one another or rounded on one or both sides in the partial region of their washer surfaces. What is important for the later bending of the casing tube 13 is only that the insulating bodies which are supported against one another in one partial region do not touch one another in the other partial region within the support plane, but rather have a clear distance from one another which is to the outer circumference of the
- Insulator increases. This clear distance can be achieved by bevelling or rounding on one or both sides.
- the insulating bodies can, however, also be formed as spheres which lie against one another in a punctiform manner or spherical caps which are lined up in the same direction, so that one spherical cap is always supported at the level of the next spherical cap.
Landscapes
- Measuring Oxygen Concentration In Cells (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Insulated Conductors (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004533198A JP2006514735A (ja) | 2002-08-31 | 2003-07-14 | 測定センサ用の接続導管 |
EP03793586A EP1537587A1 (de) | 2002-08-31 | 2003-07-14 | Anschlussleitung für einen messfühler |
US10/526,150 US20060121800A1 (en) | 2002-08-31 | 2003-07-14 | Connecting lead for a sensor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10240238A DE10240238A1 (de) | 2002-08-31 | 2002-08-31 | Anschlußleitung für einen Meßfühler |
DE10240238.8 | 2002-08-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004023497A1 true WO2004023497A1 (de) | 2004-03-18 |
Family
ID=31724226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2003/002360 WO2004023497A1 (de) | 2002-08-31 | 2003-07-14 | Anschlussleitung für einen messfühler |
Country Status (5)
Country | Link |
---|---|
US (1) | US20060121800A1 (de) |
EP (1) | EP1537587A1 (de) |
JP (1) | JP2006514735A (de) |
DE (1) | DE10240238A1 (de) |
WO (1) | WO2004023497A1 (de) |
Families Citing this family (29)
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US8811348B2 (en) | 2003-02-24 | 2014-08-19 | Qualcomm Incorporated | Methods and apparatus for generating, communicating, and/or using information relating to self-noise |
US7218948B2 (en) | 2003-02-24 | 2007-05-15 | Qualcomm Incorporated | Method of transmitting pilot tones in a multi-sector cell, including null pilot tones, for generating channel quality indicators |
US9544860B2 (en) | 2003-02-24 | 2017-01-10 | Qualcomm Incorporated | Pilot signals for use in multi-sector cells |
US9661519B2 (en) | 2003-02-24 | 2017-05-23 | Qualcomm Incorporated | Efficient reporting of information in a wireless communication system |
DE102004048596A1 (de) * | 2004-10-06 | 2006-04-13 | Robert Bosch Gmbh | Verfahren zur Herstellung einer Metallmantelleitung |
US8503938B2 (en) | 2004-10-14 | 2013-08-06 | Qualcomm Incorporated | Methods and apparatus for determining, communicating and using information including loading factors which can be used for interference control purposes |
MX2007004520A (es) | 2004-10-14 | 2007-09-11 | Qualcomm Flarion Tech | Metodos y aparatos para determinar, comunicar y utilizar informacion la cual puede ser empleada para propositos de control de interferencia._. |
WO2006084397A1 (de) * | 2005-02-09 | 2006-08-17 | Huber+Suhner Ag | Hochtemperaturkabel sowie anwendung eines solchen hochtemperaturkabels |
DE102005009462A1 (de) * | 2005-03-02 | 2006-09-07 | Robert Bosch Gmbh | Messfühler zur Bestimmung einer physikalischen Eigenschaft eines Messgases |
US8989084B2 (en) | 2005-10-14 | 2015-03-24 | Qualcomm Incorporated | Methods and apparatus for broadcasting loading information corresponding to neighboring base stations |
US9191840B2 (en) | 2005-10-14 | 2015-11-17 | Qualcomm Incorporated | Methods and apparatus for determining, communicating and using information which can be used for interference control |
US9572179B2 (en) | 2005-12-22 | 2017-02-14 | Qualcomm Incorporated | Methods and apparatus for communicating transmission backlog information |
US8514771B2 (en) | 2005-12-22 | 2013-08-20 | Qualcomm Incorporated | Methods and apparatus for communicating and/or using transmission power information |
US20070149132A1 (en) | 2005-12-22 | 2007-06-28 | Junyl Li | Methods and apparatus related to selecting control channel reporting formats |
US9148795B2 (en) | 2005-12-22 | 2015-09-29 | Qualcomm Incorporated | Methods and apparatus for flexible reporting of control information |
US9125093B2 (en) | 2005-12-22 | 2015-09-01 | Qualcomm Incorporated | Methods and apparatus related to custom control channel reporting formats |
US9338767B2 (en) | 2005-12-22 | 2016-05-10 | Qualcomm Incorporated | Methods and apparatus of implementing and/or using a dedicated control channel |
US8437251B2 (en) | 2005-12-22 | 2013-05-07 | Qualcomm Incorporated | Methods and apparatus for communicating transmission backlog information |
US9119220B2 (en) | 2005-12-22 | 2015-08-25 | Qualcomm Incorporated | Methods and apparatus for communicating backlog related information |
US9473265B2 (en) | 2005-12-22 | 2016-10-18 | Qualcomm Incorporated | Methods and apparatus for communicating information utilizing a plurality of dictionaries |
US9125092B2 (en) | 2005-12-22 | 2015-09-01 | Qualcomm Incorporated | Methods and apparatus for reporting and/or using control information |
US20070249287A1 (en) | 2005-12-22 | 2007-10-25 | Arnab Das | Methods and apparatus for selecting between a plurality of dictionaries |
US9137072B2 (en) | 2005-12-22 | 2015-09-15 | Qualcomm Incorporated | Methods and apparatus for communicating control information |
US9451491B2 (en) | 2005-12-22 | 2016-09-20 | Qualcomm Incorporated | Methods and apparatus relating to generating and transmitting initial and additional control information report sets in a wireless system |
US20070243882A1 (en) | 2006-04-12 | 2007-10-18 | Qualcomm Incorporated | Method and apparatus for locating a wireless local area network associated with a wireless wide area network |
JP4889570B2 (ja) * | 2007-05-31 | 2012-03-07 | 中国電力株式会社 | ガス検出用プローブ |
US20120227690A1 (en) * | 2011-03-09 | 2012-09-13 | Giovanni Ferro | Electronic Engine Control Unit And Method Of Operation |
JP5866679B2 (ja) * | 2011-06-22 | 2016-02-17 | イマジニアリング株式会社 | 高周波伝送線路 |
KR101305198B1 (ko) * | 2011-12-09 | 2013-09-26 | 현대자동차주식회사 | 입자상물질 센서유닛 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US470883A (en) * | 1892-03-15 | Island | ||
CH218746A (de) * | 1941-04-22 | 1941-12-31 | Suhner & Co | Elektrisches Kabel. |
US2931852A (en) * | 1957-03-18 | 1960-04-05 | Hitemp Wires Inc | Conductor bead insulation elements |
DE8913623U1 (de) * | 1989-11-17 | 1991-03-21 | Siemens AG, 80333 München | Signalübertragungskabel für hohe Temperaturen |
DE19523911A1 (de) * | 1995-06-30 | 1997-01-02 | Bosch Gmbh Robert | Anschlußleitung für einen Meßfühler |
DE19928267C1 (de) * | 1999-06-21 | 2000-12-07 | Dataline Kabel Gmbh | Schutzmantel für ein Kabel mit endseitigen Verbindungssteckern |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US459385A (en) * | 1891-09-08 | Hosea w | ||
US320229A (en) * | 1885-06-16 | Best available cof | ||
NL40958C (de) * | 1934-05-29 |
-
2002
- 2002-08-31 DE DE10240238A patent/DE10240238A1/de not_active Ceased
-
2003
- 2003-07-14 JP JP2004533198A patent/JP2006514735A/ja not_active Withdrawn
- 2003-07-14 US US10/526,150 patent/US20060121800A1/en not_active Abandoned
- 2003-07-14 EP EP03793586A patent/EP1537587A1/de not_active Withdrawn
- 2003-07-14 WO PCT/DE2003/002360 patent/WO2004023497A1/de not_active Application Discontinuation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US470883A (en) * | 1892-03-15 | Island | ||
CH218746A (de) * | 1941-04-22 | 1941-12-31 | Suhner & Co | Elektrisches Kabel. |
US2931852A (en) * | 1957-03-18 | 1960-04-05 | Hitemp Wires Inc | Conductor bead insulation elements |
DE8913623U1 (de) * | 1989-11-17 | 1991-03-21 | Siemens AG, 80333 München | Signalübertragungskabel für hohe Temperaturen |
DE19523911A1 (de) * | 1995-06-30 | 1997-01-02 | Bosch Gmbh Robert | Anschlußleitung für einen Meßfühler |
DE19928267C1 (de) * | 1999-06-21 | 2000-12-07 | Dataline Kabel Gmbh | Schutzmantel für ein Kabel mit endseitigen Verbindungssteckern |
Non-Patent Citations (1)
Title |
---|
"FLEXIBLE CERAMIC-INSULATED CABLE", NTIS TECH NOTES, US DEPARTMENT OF COMMERCE. SPRINGFIELD, VA, US, 1 November 1988 (1988-11-01), pages 938, XP000004635, ISSN: 0889-8464 * |
Also Published As
Publication number | Publication date |
---|---|
EP1537587A1 (de) | 2005-06-08 |
US20060121800A1 (en) | 2006-06-08 |
JP2006514735A (ja) | 2006-05-11 |
DE10240238A1 (de) | 2004-03-18 |
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