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WO2015067348A1 - Système de tuyau flexible - Google Patents

Système de tuyau flexible Download PDF

Info

Publication number
WO2015067348A1
WO2015067348A1 PCT/EP2014/002850 EP2014002850W WO2015067348A1 WO 2015067348 A1 WO2015067348 A1 WO 2015067348A1 EP 2014002850 W EP2014002850 W EP 2014002850W WO 2015067348 A1 WO2015067348 A1 WO 2015067348A1
Authority
WO
WIPO (PCT)
Prior art keywords
hose line
line system
insulation displacement
heating wire
resistance heating
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.)
Ceased
Application number
PCT/EP2014/002850
Other languages
German (de)
English (en)
Inventor
Markus Herpich
Gerald Poland
Thomas JENISCH
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.)
Rehau Automotive SE and Co KG
Original Assignee
Rehau AG and Co
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 Rehau AG and Co filed Critical Rehau AG and Co
Priority to DE112014005052.0T priority Critical patent/DE112014005052A5/de
Publication of WO2015067348A1 publication Critical patent/WO2015067348A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/2445—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives
    • H01R4/245—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members having additional means acting on the insulation or the wire, e.g. additional insulation penetrating means, strain relief means or wire cutting knives the additional means having two or more slotted flat portions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
    • F16L53/30—Heating of pipes or pipe systems
    • F16L53/35—Ohmic-resistance heating
    • F16L53/38—Ohmic-resistance heating using elongate electric heating elements, e.g. wires or ribbons
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/78—Heating arrangements specially adapted for immersion heating
    • H05B3/82—Fixedly-mounted immersion heaters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/46—Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
    • B60S1/48—Liquid supply therefor
    • B60S1/487—Liquid supply therefor the liquid being heated
    • B60S1/488—Liquid supply therefor the liquid being heated electrically
    • 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
    • H01R13/005—Electrical coupling combined with fluidic coupling
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/68—Structural association with built-in electrical component with built-in fuse
    • H01R13/696—Structural association with built-in electrical component with built-in fuse the fuse being integral with the terminal, e.g. pin or socket
    • 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
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
    • H01R4/2425—Flat plates, e.g. multi-layered flat plates
    • H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base
    • H01R4/2433—Flat plates, e.g. multi-layered flat plates mounted in an insulating base one part of the base being movable to push the cable into the slot
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/014—Heaters using resistive wires or cables not provided for in H05B3/54
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/016—Heaters using particular connecting means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/021—Heaters specially adapted for heating liquids

Definitions

  • the invention relates to a hose line system, in particular for the transport of an aqueous fluid in a motor vehicle, with
  • a Fluid reservoir eg a fluid tank.
  • the windshield washer fluid usually consists of water and possibly additional components which improve the cleaning power and / or the frost resistance. In order for such a hose line system to be immediately ready for use when operating in winter below the freezing point of water, such become
  • Hose line systems regularly equipped with a heating device. A particularly rapid heating of the fluid to be transported is achieved if an electrical resistance heating wire is arranged inside the hose line.
  • the known in the art hose assemblies consist of many individual parts.
  • the production of the electrical contact of the resistance heating wire is relatively expensive and therefore regularly not automatable.
  • the electrical contact points for structural reasons during operation are often subjected to a mechanical load and therefore fail during operation.
  • the known in the art hose assembly can be improved.
  • the invention has for its object to provide a hose system with the features described above, which is simple and inexpensive to produce and beyond can be mounted by means of an automated process.
  • the object is achieved in that the contacting device has electrically conductive insulation displacement terminals are clamped in the areas, preferably end portions of the cherriessSchdrahtes, locally removed by the insulation displacement terminals in these areas, the insulating sheath and thereby produces an electrical connection of the lovedsSchdrahtes with the insulation displacement terminals is.
  • cutting terminals are used for the hose-line system for the electrical contacting of the resistance heating wire, which are basically known but have hitherto been used in communications technology, ie for the transmission of electrical signals.
  • these insulation displacement terminals are now used for transmitting a comparatively large electric current, with the help of which the liquid standing in the tubing should be thawed quickly and safely.
  • Hose line system is relatively simple.
  • the electrical contact is safe and fast to carry out.
  • an automation of the electrical contacting of thelvessSchdrahtes is possible, since only a simple impressions of Schudrahtenden must be made in the insulation displacement terminals.
  • the contacting device has electrical contact elements for connection to the electrical power source, which are each connected to a cutting terminal.
  • a contact element and a cutting clamp are each integrally connected to each other.
  • the electrical contact elements are designed as pins for an electrical connector.
  • the electrical contact elements and / or connected to the contact elements insulation displacement terminals have a fuse that melts when exceeding a certain electrical load and the power supply of the lovedsSdrahtes thereby interrupts. This safely prevents overheating of the hose line system, which can cause major damage and considerable dangers. In the case of excessive current load, only the cutting terminal or the electrical contact elements are damaged, which can be easily replaced. In the context of the invention, it is also the case in particular that only the positive pole is provided with a fuse and the negative pole is not.
  • the insulation displacement terminals are formed as a metallic bending mold part.
  • the insulation displacement terminals further comprise at least substantially semicircular, sharp edged recesses in which the regions of the resistance heating wire are clamped.
  • connection device has a housing within which the insulation displacement terminals are arranged.
  • the housing is closed with a lid having ribs, wherein the ins
  • the housing may be filled with casting resin, which fixes the depressed into the insulation displacement portions of the resistance heating wire and this case simultaneously acts electrically insulating.
  • connection device has a connection piece for the hose line and a connection element for producing a fluid connection to the fluid reservoir.
  • the connecting device expediently has at least one plug, preferably two openings, which ensures a fluid-tight introduction and withdrawal of the resistance heating wire into and out of the hose line.
  • This plug expediently forms the transition from connection device to contacting device.
  • the plug can be fixed by means of casting resin in a corresponding passage opening of the connecting device.
  • the teaching according to the invention is used in particular in windscreen washer systems for motor vehicles. Other applications, e.g. However, the transport of a urea-water solution, for example, standardized according to DIN 70070 and CEFIC (European Chemical Industry Council), this is not excluded.
  • Urea water solutions are added to combustion exhaust gases from engines, in particular diesel engines, in order to reduce nitrogen oxide emissions in particular and thus to meet the ever-increasing requirements of the exhaust gas regulations.
  • engines in particular diesel engines
  • 1 a a hose line system according to the invention in the mounted state in a three-dimensional representation
  • FIG. 1a shows an alternative embodiment of a hose line system according to the invention, also with the housing cover removed;
  • FIG. 2b shows a plan view of the hose line system shown in Fig. 2a
  • FIG. 3 shows the insulation displacement terminals shown in FIGS. 1 a - 2 b in an individual representation
  • Fig. 4a missing in Figs. 1 b, 2a, 2b cover in an individual view
  • Fig. 4b the cover shown in Fig. 4a, as it engages in the assembled state in the cutting terminals shown in Fig. 3.
  • FIGS. 1a and 1b show a hose line system which is used to transport a windshield washer fluid in a motor vehicle.
  • This has a (not shown) hose line, a loop inside the hose arranged, electrical, an electrically insulating sheath 1 having lovedsSchdraht 2 for heating the fluid and a connecting device 3 with a insulation displacement terminal 4 having contacting device 5 for electrical contacting tion of lovedsSchdrahtes 2 with a (not shown) electrical power source.
  • the connecting device 3 has a connecting device 6 for connecting the hose line to a (not shown) fluid tank, in the present case to a cleaning liquid container.
  • the resistance heating wire 2 is deflected within the connecting device 3 by approximately 90 °.
  • the resistance heating wire 2 in the connection device 3 extends within a plane.
  • FIG. 3 shows the two insulation displacement terminals 4 shown in FIGS. 1 a to 2 b in a three-dimensional individual representation
  • the electrically conductive insulation displacement terminals 4 are the clamped at both end portions 7 of the resistance heating wire 2, wherein the insulating sheath 1 locally removed by the insulation displacement terminals 4 in these end regions 7 and thereby an electrical connection of the lovedsSdrahtes 2 is made with the insulation displacement terminals 4.
  • the contacting device 5 has two electrical contact elements 8 for connection to the electrical power source, which are integrally connected to a respective cutting terminal 4.
  • the two electrical contact elements 8 are formed as pins for a (not shown) electrical connector.
  • the pins 8 each have a fuse 9, the melt melts when exceeding a certain electrical load and the power supply of the lovedsSdrahtes 2 thereby interrupts.
  • the fuse 9 is realized in each case by a material weakening in the form of a reduced material thickness in the transition region from pin 8 to insulation displacement terminal 4.
  • pins 8 are each formed as a one-piece, metallic sheet metal bending molding 10. However, within the scope of the invention it is also the case that only the pin 8 connected to the positive pole is provided with the fuse 9 and the other pin 8 connected to the minus pole is not.
  • the two insulation displacement terminals 4 each have semicircular, provided with sharp edges 20 recesses 11, in which the end portions 7 of the lovedsSdrahtes 2 are clamped.
  • the two insulation displacement terminals 4 are designed to avoid a short circuit electrically separate components of the contacting device 5 and each meandering.
  • both insulation displacement terminals 4 are structurally identical in the exemplary embodiment. During assembly, one of the two cutting clamps 4 is rotated by 180 ° about the pin axis, so that there is a mirror-image installation situation.
  • the connecting device 3 has a housing 12, within which the insulation displacement terminals 4 are arranged.
  • the housing has a separating element 23. This separating element 25 is integral with the housing
  • the housing 12 is closed by a lid 14 having two ribs 13 (see Figures 4a and 4b), wherein the ribs, which are shown integrally with the lid 14 and point into the interior of the housing, are closed
  • connection device 6 has a profiled geometry, preferably a fir tree geometry having connecting piece 15 for the hose and a connection element ment 16 for establishing a fluid connection to the container for the disc fluid.
  • the connecting device 3 further comprises a one of two openings 17 having plug 18 made of a soft material, preferably silicone, wherein each opening 17 is guided in each case a single wire looped in the hose line sayssSystemdrahtes 2.
  • the plug 18 provides a fluid-tight on and off
  • the stopper 18 forms the transition from the connecting device 6 to the contacting device 5 and is fixed by means of casting resin (not shown) in a corresponding passage opening 19 within the connecting device 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Resistance Heating (AREA)

Abstract

L'invention concerne un système de tuyau flexible destiné en particulier au transport d'un fluide liquide dans un véhicule automobile et comportant un tuyau flexible, au moins un fil de chauffage par résistance (2) électrique, agencé de préférence dans le tuyau flexible, présentant une gaine (1) électriquement isolante et servant au chauffage du fluide, un dispositif de liaison (3) qui présente un dispositif de mise en contact (5) permettant la mise en contact électrique du fil de chauffage par résistance (2) avec une source d'énergie électrique, et optionnellement un dispositif de raccordement (6) servant à raccorder le tuyau flexible à un réservoir de fluide. Selon l'invention, le dispositif de mise en contact (5) présente des bornes guillotines (4) dans les zones (7), de préférence les zones d'extrémité, du fil de chauffage par résistance (2), la gaine isolante (1) étant enlevée localement dans ces zones (7) par les bornes guillotines (4), et une liaison électrique pouvant ainsi être établie entre le fil de chauffage par résistance (2) et les bornes guillotines (4).
PCT/EP2014/002850 2013-11-06 2014-10-22 Système de tuyau flexible Ceased WO2015067348A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112014005052.0T DE112014005052A5 (de) 2013-11-06 2014-10-22 Schlauchleitungssystem

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201320104988 DE202013104988U1 (de) 2013-11-06 2013-11-06 Schlauchleitungssystem
DE202013104988.3 2013-11-06

Publications (1)

Publication Number Publication Date
WO2015067348A1 true WO2015067348A1 (fr) 2015-05-14

Family

ID=51845369

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/002850 Ceased WO2015067348A1 (fr) 2013-11-06 2014-10-22 Système de tuyau flexible

Country Status (2)

Country Link
DE (2) DE202013104988U1 (fr)
WO (1) WO2015067348A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29715336U1 (de) * 1997-08-27 1997-11-06 Kromberg & Schubert, 42389 Wuppertal Heizschlauchanschlußstück
DE19902432A1 (de) * 1999-01-22 2000-08-10 Mannesmann Vdo Ag Beheizte Waschdüse mit Anschlußstück
US20050195547A1 (en) * 2004-03-05 2005-09-08 Shang-Lung Huang Structure of safety power adapter
WO2013002655A2 (fr) * 2011-06-28 2013-01-03 Fisher & Paykel Healthcare Limited Tube médical amélioré
US20130052874A1 (en) * 2010-05-04 2013-02-28 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft Electrical assembly connection of a motor vehicle

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1125810A1 (fr) * 2000-02-18 2001-08-22 Continental Teves AG & Co. oHG Conduite chauffée pour installation de freinage hydraulique
US6872089B1 (en) * 2003-11-03 2005-03-29 Ching-Hsiung Chen Puncturing type cable coupling apparatus
US7976334B2 (en) * 2009-09-10 2011-07-12 Avx Corporation Capped insulation displacement connector (IDC)

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29715336U1 (de) * 1997-08-27 1997-11-06 Kromberg & Schubert, 42389 Wuppertal Heizschlauchanschlußstück
DE19902432A1 (de) * 1999-01-22 2000-08-10 Mannesmann Vdo Ag Beheizte Waschdüse mit Anschlußstück
US20050195547A1 (en) * 2004-03-05 2005-09-08 Shang-Lung Huang Structure of safety power adapter
US20130052874A1 (en) * 2010-05-04 2013-02-28 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft Electrical assembly connection of a motor vehicle
WO2013002655A2 (fr) * 2011-06-28 2013-01-03 Fisher & Paykel Healthcare Limited Tube médical amélioré

Also Published As

Publication number Publication date
DE202013104988U1 (de) 2015-02-09
DE112014005052A5 (de) 2016-08-18

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