EP3721506A1 - Dispositif de connexion servant à connecter au moins une ligne de détection à une ligne de connexion électrique - Google Patents

Dispositif de connexion servant à connecter au moins une ligne de détection à une ligne de connexion électrique

Info

Publication number
EP3721506A1
EP3721506A1 EP18789076.9A EP18789076A EP3721506A1 EP 3721506 A1 EP3721506 A1 EP 3721506A1 EP 18789076 A EP18789076 A EP 18789076A EP 3721506 A1 EP3721506 A1 EP 3721506A1
Authority
EP
European Patent Office
Prior art keywords
sleeve
spout
connecting device
coupling
line
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP18789076.9A
Other languages
German (de)
English (en)
Inventor
Stefan Leopold
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
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 EP3721506A1 publication Critical patent/EP3721506A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/70—Insulation of connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5205—Sealing means between cable and housing, e.g. grommet
    • H01R13/5208—Sealing means between cable and housing, e.g. grommet having at least two cable receiving openings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure

Definitions

  • Connection device for connecting at least one sensor line to an electrical connection line
  • the invention relates to a connection device for connecting at least one sensor line to an electrical connection line according to the preamble of claim 1.
  • Internal combustion engines usually comprise one or more temperature sensors for detecting current operating temperatures, for example in the region of an exhaust system of an internal combustion engine.
  • the sensors and the associated sensor lines which transmit the sensor signals, are exposed to many environmental influences, in particular relatively high temperatures, considerable vibrations and also moisture.
  • the sensor lines are electrically coupled via a coupling section with connecting lines, which forward the sensor signals to corresponding electronic devices.
  • Object of the present invention is to provide a connecting device of the type mentioned, which is as simple as possible and can be made very inexpensive.
  • the connecting device serves to connect at least one sensor line to an electrical connecting line. It includes a sleeve, the first, so not yet finally assembled Condition, for example, is still substantially straight and has an at least partially constant in the axial direction outer and inner diameter. Within the sleeve, a spout is arranged, which is at least partially made of an elastically deformable material.
  • the grommet comprises at least one passage opening for receiving a
  • Coupling section which line ends of the sensor line and the
  • the sleeve is at least partially made of a plastically deformable material, and the spout is fixed in the sleeve by at least one to the spout plastically deformed portion of the sleeve. Due to the plastic deformation of the spout is deformed elastically in the region of the deformation radially inwardly. This deformation is at least to some extent into the interior of the spout, namely up to the
  • the fixation of the spout in the sleeve by the plastically deformed portion need not necessarily be implemented simultaneously.
  • the feature that the spout could have at least one
  • Through opening comprises for receiving the coupling portion, which line ends of the sensor line and the connecting line electrically coupled to each other, even without the following feature, which relates to the fixation of the nozzle in the sleeve claimed.
  • a first development of the invention is characterized in that at least one plastically deformed section of the sleeve, viewed in the axial direction of the spout, is arranged at the level of the coupling section.
  • the coupling portion is fixed by the plastically deformed portion of the sleeve, whereby in particular the coupling portion is mounted in the elastically deformable material of the spout and held vibration damping.
  • Movements of the coupling section are reduced to a very low level, especially with regard to the level of a
  • the coupling section is integrated at a central location in the connecting device and thereby very well protected.
  • At least one plastically deformed section is arranged in the axial direction of the spout at the level of the connecting line.
  • the sleeve has at least two plastically deformed sections viewed from one another in the axial direction of the sleeve.
  • a secure fixation for example, both the coupling portion and the connecting line can be achieved, whereby the robustness of the arrangement is further increased.
  • the safety and reliability of the fixation is increased when the plastically deformed portion is circumferential in the circumferential direction of the sleeve.
  • the spout comprises an elastomeric material.
  • the spout may be made of a rubber material.
  • a rubber material makes it possible to reliably continue the radially inwardly directed plastic deformation of the sleeve into an inner region, namely the region of the passage opening, of the spout, as a result of which the sections present there can be securely fixed.
  • Elastomer material is also inexpensive, and it exists
  • the sleeve preferably has a shoulder towards the sensor line, against which the grommet is supported in the axial direction.
  • the shoulder may be formed by a conical cross-sectional taper. This is manufacturing technology easy to produce.
  • the coupling section comprises a coupling sleeve.
  • a coupling sleeve allows different types of connection on the one hand the sensor line and on the other hand the connection line to the coupling sleeve.
  • connection can be made by soldering or welding, or by plugging or by clamping. Also favorable for the manufacturing costs, it is when the spout in the
  • Figure 1 a schematic section through a first embodiment of a
  • Figure 2 a schematic section similar to Figure 1 of a second
  • Embodiment of a connecting device Embodiment of a connecting device.
  • a connecting device as a whole bears the reference numeral 10. It serves for the connection of, for example, two sensor lines 12 with corresponding connection lines 14.
  • the sensor lines 12 belong to a temperature sensor 16, which may comprise, for example, a thermocouple.
  • the temperature sensor 16 may be arranged, for example, in an exhaust system of an internal combustion engine of a motor vehicle, in a battery area of an electric drive of an electrically driven motor vehicle, or in a similar area. In any case, it serves to detect a temperature which is preferably used for controlling and monitoring a drive of a motor vehicle.
  • the signals of the temperature sensor 16 are first transmitted via the sensor lines 12 to the connection lines 14. These lead the
  • Sensor signals for example, to a signal converter or directly to an input of an exemplary and only schematically drawn in Figure 1 electronic device 18, which may be, for example, a motor or battery control device.
  • electronic device 18 which may be, for example, a motor or battery control device.
  • both types of lines can be connected to the coupling sleeve 20 by a plug.
  • the sensor lines 12 are usually relatively short. This causes the
  • Coupling sleeves 20 are arranged relatively close to the temperature sensor 16 and thus also relatively close to the environment in which the temperature sensor 16 is located. At the point at which the temperature sensor 16 is arranged, however, there are sometimes environmental conditions that can be detrimental to a permanent and reliable electrical connection of the connection lines 14 and the sensor lines 12 to the coupling sections 20. These environmental conditions can be, for example, high temperatures, strong
  • connection device 10 In order to protect the coupling sleeves 20 and their connections with the sensor lines 12 and the connection lines 14 from such environmental influences, the connection device 10 mentioned above is provided, which will now be explained in greater detail.
  • the connecting device 10 comprises an outer sleeve 22, which has an overall substantially circular cross-section, and a grommet 24 received within the sleeve 22.
  • the term "grommet" is not to be understood as limiting. Rather, this is understood herein to mean any, for example, a total cylindrical part in which the coupling sections or here specifically the coupling sleeves 20 are at least partially included.
  • the sleeve and the spout may also have other cross-sectional shapes, such as polygonal cross-sectional shapes.
  • the outer sleeve 22 is produced overall, for example, from a plastically deformable material, for example from a metal material.
  • the grommet 24, in turn, is made of an elastically deformable material, for example of an elastomeric material such as rubber or the like.
  • an elastically deformable material for example of an elastomeric material such as rubber or the like.
  • deformable material is made. It is essential, however, that the plastically deformable portion of the sleeve and the elastically deformable portion of the spout in the axial direction of the connecting device seen at least approximately at the same height.
  • the grommet 24 is shorter in the axial direction than the sleeve 22.
  • a holding insert 26 is fixed in the sleeve 22, which holds or fixes the sensor lines 12. so that these zugentlastet can get to the coupling sleeves 20.
  • the holding insert 26 may also be formed by the sheath of a so-called "MIL cable" under certain circumstances.
  • MIL cable so-called "MIL cable"
  • Connecting lines 14 each comprise a metallic and electrically conductive core 28 and at least outside of the coupling sleeves 20 an arranged around this insulation 30, for example, of a plastic material.
  • the spout 24 is held in the outer sleeve 22 by two sections plastic deformation of the outer sleeve 22.
  • the plastically deformed portions bear in Figure 1, the reference numerals 34 and 36.
  • the plastically deformed portion 34 is seen in the axial direction relatively centrally to the coupling portions 20, whereas the plastically deformed portion 36 at the right edge of the sleeve 22 is relatively central to the still in the nozzle 24 recorded portions of the insulation 30 of the connecting lines 14 is located.
  • the plastically deformed sections 34 and 36 of the sleeve 22 may be circumferential in the circumferential direction, but may also comprise only individual, and preferably mutually oppositely arranged, reformed singular sections.
  • the plastically deformed portions 34 and 36 of the sleeve 22 are by a radially inwardly, ie the nozzle 24 directed towards deformation
  • the spout 24 is deformed radially inwardly, as will be shown even more in detail below. It is understood that in another embodiment, not shown, a different number and also other forms of plastically deformed portions of the outer sleeve can be selected, which connect the outer sleeve captive with the spout, and which exert a radial pressure on the spout , which extends to the through holes and from there to the
  • Coupling sections or the sensor lines or the connecting lines transmits, as will now be described in detail.
  • the radial gap or the radial play carries in the figures the reference numeral 32. In other, not shown embodiments, this gap or this game is not or at least not so clearly visible available.
  • Circumferential circumferential and radially inwardly directed bead-like elevation 38 and 40 is formed, which is a constriction with respect to the inner width of the sleeve 22.
  • This constriction 38 or 40 presses on an outer circumferential surface of the spout 24 and there leads to a groove-like and circumferential circumferential notch 42 and 44, which points inward in the radial direction.
  • the properties of the elastic material of the spout 24 are chosen so that the notch 42 and 44 continues in the radial direction inwards at least to a certain extent, and at least up to the through holes 38th
  • Connecting line 14 presses.
  • the two coupling sleeves 20 are reliably held in the axial and in the radial direction, and it is also the two connecting lines 14 reliably held both in the axial and in the radial direction.
  • FIG. 2 The drawn in Figure 2 second embodiment of a connecting device 10 differs from that of Figure 1 initially mainly in that the outer sleeve 22 has only a single plastically deformed portion 36, seen in the axial direction of the connecting device 10, at the level of isolation 30 of the connecting lines 14 is arranged.
  • the sleeve 22 has a shoulder 50 formed by a conical cross-sectional tapering.
  • the spout 24 also has a conical cross-sectional taper 52 at its left end in FIG. 2 on the outside.
  • Cross-sectional taper 52 is pressed against the shoulder 50.
  • an additional and secure axial retention of the nozzle 24 is provided in the sleeve 22.
  • the left end of the spout 24 is compressed radially inwardly by the conically shaped shoulder 50 and the cross-sectional narrowing 52 complementary thereto, whereby the
  • Through hole 38 presses at least partially with a certain pressing force on the corresponding coupling sleeve 20 and this is fixed in the spout 24 in this manner.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Abstract

L'invention concerne un dispositif de connexion (10) servant à connecter au moins une ligne de détection (12) à une ligne de connexion (14) électrique. Il comprend une douille (22) à l'intérieur de laquelle est disposé un passe-câble (24) qui est fabriqué au moins par endroits à partir d'un matériau déformable élastiquement. Selon l'invention, le passe-câble (24) comprend au moins une ouverture de passage (38) destinée à recevoir une partie de couplage (20) connectant électriquement des extrémités de la ligne de détection (12) et de la ligne de connexion (14) les unes aux autres. En outre, selon l'invention, la douille (22) est fabriquée au moins par endroits à partir d'un matériau plastiquement déformable, et le passe-câble (24) est fixé dans la douille (22) par au moins une partie (34, 36) de la douille (22), déformée plastiquement en direction du passe-câble (24).
EP18789076.9A 2017-12-06 2018-10-15 Dispositif de connexion servant à connecter au moins une ligne de détection à une ligne de connexion électrique Withdrawn EP3721506A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017222012.0A DE102017222012A1 (de) 2017-12-06 2017-12-06 Verbindungseinrichtung zur Verbindung von mindestens einer Sensorleitung mit einer elektrischen Anschlussleitung
PCT/EP2018/078114 WO2019110174A1 (fr) 2017-12-06 2018-10-15 Dispositif de connexion servant à connecter au moins une ligne de détection à une ligne de connexion électrique

Publications (1)

Publication Number Publication Date
EP3721506A1 true EP3721506A1 (fr) 2020-10-14

Family

ID=63896145

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18789076.9A Withdrawn EP3721506A1 (fr) 2017-12-06 2018-10-15 Dispositif de connexion servant à connecter au moins une ligne de détection à une ligne de connexion électrique

Country Status (4)

Country Link
EP (1) EP3721506A1 (fr)
CN (1) CN111433981A (fr)
DE (1) DE102017222012A1 (fr)
WO (1) WO2019110174A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023504198A (ja) * 2019-12-06 2023-02-01 コムスコープ テクノロジーズ リミティド ライアビリティ カンパニー バンドリング配置を有するケーブルアセンブリ
DE102020212608A1 (de) * 2020-09-24 2022-03-24 MICRO-EPSILON-MESSTECHNIK GmbH & Co. K.G. Vorrichtung zum druckdichten Durchführen einer Leitung durch eine Wand und Verfahren zur Herstellung der Vorrichtung
EP4383490A1 (fr) * 2022-12-09 2024-06-12 NKT HV Cables AB Dispositif d'aide au test d'un câble et procédé de fourniture d'un dispositif d'aide au test

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992008127A1 (fr) * 1990-10-26 1992-05-14 Robert Bosch Gmbh Capteur de gaz, servant en particulier a determiner la teneur en oxygene dans les gaz d'echappement des moteurs a combustion interne
DE102006059157A1 (de) * 2005-12-19 2007-06-28 NGK Spark Plug Co., Ltd., Nagoya Sensor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3244796A (en) * 1963-09-12 1966-04-05 Amp Inc Mineral-insulated cable connector
GB1071995A (en) * 1966-01-27 1967-06-14 Amp Inc Connecting a lead to the conductor of a metal sheathed mineral-insulated cable
JP5908426B2 (ja) * 2013-03-29 2016-04-26 日本碍子株式会社 ガスセンサー

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992008127A1 (fr) * 1990-10-26 1992-05-14 Robert Bosch Gmbh Capteur de gaz, servant en particulier a determiner la teneur en oxygene dans les gaz d'echappement des moteurs a combustion interne
DE102006059157A1 (de) * 2005-12-19 2007-06-28 NGK Spark Plug Co., Ltd., Nagoya Sensor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019110174A1 *

Also Published As

Publication number Publication date
DE102017222012A1 (de) 2019-06-06
CN111433981A (zh) 2020-07-17
WO2019110174A1 (fr) 2019-06-13

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