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WO1996038322A1 - Configuration de faisceau de cables amelioree, avec boitier de derivation decentralise - Google Patents

Configuration de faisceau de cables amelioree, avec boitier de derivation decentralise Download PDF

Info

Publication number
WO1996038322A1
WO1996038322A1 PCT/US1996/006699 US9606699W WO9638322A1 WO 1996038322 A1 WO1996038322 A1 WO 1996038322A1 US 9606699 W US9606699 W US 9606699W WO 9638322 A1 WO9638322 A1 WO 9638322A1
Authority
WO
WIPO (PCT)
Prior art keywords
box
decentralized
devices
wire harness
improved
Prior art date
Application number
PCT/US1996/006699
Other languages
English (en)
Inventor
Robert Gerald Szudarek
Original Assignee
United Technologies Automotive, Inc.
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 United Technologies Automotive, Inc. filed Critical United Technologies Automotive, Inc.
Publication of WO1996038322A1 publication Critical patent/WO1996038322A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
    • B60R16/0315—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for using multiplexing techniques

Definitions

  • the present invention relates to electrical wire harnesses for use in automobiles, aircraft, electronic equipment, and the like, and more particularly to a distributed junction box system for eliminating splicing electrical wire harnesses.
  • a typical wire harness comprises a bundle of wires of varying gauges and wire types arranged in a particular order terminated by an electrical connector/terminator. These bundles of wire are then bound together for facilitate installation, as well as replacement.
  • a second wire harness approach is commonly referred to as "functional partitioning.”
  • each of the devices are grouped together functionally.
  • Each functional group is then assigned a main wire or artery from which the members of the group are connected thereto.
  • the connecting of each member to the main artery is commonly referred to as splicing.
  • Splicing is significantly labor intensive. As such, splicing has been considered a substantial limitation in process control.
  • FIG. 1 A wire harness employing functional partitioning is illustrated in Figure 1.
  • a wire harness 2 is shown comprising a series of components 6, 7, 8 and 9, all interconnected with a main wire at a splicing point 3.
  • the main wire is then coupled with a switch 5 which operates to enable/disable a positive terminal of a battery 4.
  • Another wire harness technique for interconnecting a plurality of devices is commonly referred to as "geographic partitioning.” This approach involves grouping each of the devices by location. Each geographic group is then assigned a main wire or artery from which the members of the group are electrically coupled. While reducing the amount of splicing required, geographic partitioning still necessitates a substantial limitation in process control.
  • a spliceless wire harness architecture 10 is illustrated.
  • a first device 12 is electrically coupled with a second device 14, which is coupled with a third device 16, which in turn is coupled with a fourth device 18. It should be noted that each of the devices are also grounded.
  • First device 12 is additionally coupled with a positive and negative terminal of power source 20 by means off a enable/disable switch 21 such that a single pathway is essentially created.
  • a specialized multiplexing scheme may be utilized to enable a user to activate any combination of devices simultaneously.
  • the instant architecture requires devices with a degree of intelligence to recognize activation commands which in turn adds cost to the overall end product cost.
  • each device is electrically coupled with either a first or second decentralized multiplexor control box 30 or 40.
  • First and second decentralized multiplexor control boxes 30 and 40 are each coupled with the positive terminal of a power source 50 by way of enable/disable switch 51. Further, the negative terminal of the source 50 is coupled to ground.
  • both decentralized multiplexor control boxes control the operating status of each of their respectively coupled devices, 22, 24, 26 and 28.
  • the multiplexing wire harness architecture of Figure 3 provides a more cost effective alternative to the elementary spliceless architecture of Figure 2, as smart devices are not required.
  • the capacity of each decentralized multiplexor control boxes is significantly limited.
  • additional components are required which have a substantially impact on the design's cost benefits.
  • the primary advantage of the present invention is to overcome the limitations of the prior art.
  • Another advantage of the present invention is to provide a junction box design that is both cost effective and not labor intensive.
  • the improved wire harness architecture comprises an improved decentralized box for use in conjunction with an electrical wire harness architecture and power supply to enable each device of a number of devices in response to said control signal .
  • the improved decentralized box comprises a multiplexing system for selecting each device of the number of devices to be enabled in response to the control signal, a first distributed junction box for providing a dedicated means for coupling the multiplexing system with a first set of the number of devices, and a second distributed junction box for providing a dedicated means for coupling the multiplexing system with a second set of the number of devices.
  • Figure 1 illustrates a first known electrical wire harness architecture scheme
  • Figure 2 illustrates a known spliceless electrical wire harness architecture scheme
  • Figure 3 illustrates a known alternate spliceless electrical wire harness architecture scheme
  • Figure 4 illustrates an improved electrical wire harness architecture of the preferred embodiment of the present invention.
  • Figure 5 illustrates a detailed drawing of the preferred embodiment of the present invention.
  • improved wire harness architecture 55 of the preferred embodiment of the present invention is illustrated.
  • improved wire harness architecture 55 comprises a power source or battery 50 and first and second improved decentralized control box 60 and 70 for accessing an increased number of devices.
  • First and second decentralized control boxes 60 and 70 are each coupled to battery 50 by means of a enable/disable switch 51. Moreover, the negative terminal of battery 50 is coupled to ground. Further, first decentralized control box 60 is coupled with each of a first group of devices 61-68, and second decentralized control box 70 is coupled with each of a second group of devices 71-78.
  • each decentralized control box controls the individual operating status of each device of its respective grouping. This signaling system is designed using a multiplexing scheme to enable a user to activate any combination of devices simultaneously.
  • Improved decentralized control box 80 depicts the internal configuration of boxes 60 and 70 illustrated in Figure 4.
  • Improved decentralized control box 80 comprises three essential components for accessing an increased number of devices over the known art.
  • Box 80 first comprises a multiplexing control box 85.
  • Box 85 comprises a first and 88 and a second line 89.
  • First line 88 couples the box 85, and thus box 80, to a power source, such as battery 50 of Figure 4.
  • Second line 89 couples box 85 as well as box 80 to a subsequent decentralized control box.
  • Box 80 is additionally coupled with a first and second distributed junction box, 90 and 100.
  • a distributed junction box provides a dedicated means for accessing a number of devices.
  • First junction box 90 comprises a series of output lines 92
  • junction box 100 similarly comprises a series of output lines 102.
  • Each of the output lines 92 and 102 directly interface with a subset of the number of devices shown in Figure .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Or Junction Boxes (AREA)

Abstract

Boîtier décentralisé amélioré destiné à être utilisé conjointement avec une configuration de faisceau de câbles électriques et une alimentation électrique pour mettre en service chaque dispositif d'un ensemble de dispositifs en réponse à un signal de commande. Le boîtier décentralisé amélioré comporte un système de multiplexage permettant de sélectionner chaque dispositif de l'ensemble de dispositifs devant être mis en service en réponse à un signal de commande, un premier boîtier de dérivation décentralisé constituant une unité spécialisée de couplage du système de multiplexage avec un premier sous-ensemble de l'ensemble de dispositifs et un deuxième boîtier de dérivation décentralisé constituant une unité spécialisée de couplage du système de multiplexage avec un deuxième sous-ensemble de l'ensemble de dispositifs.
PCT/US1996/006699 1995-05-30 1996-05-10 Configuration de faisceau de cables amelioree, avec boitier de derivation decentralise WO1996038322A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US45353495A 1995-05-30 1995-05-30
US08/453,534 1995-05-30

Publications (1)

Publication Number Publication Date
WO1996038322A1 true WO1996038322A1 (fr) 1996-12-05

Family

ID=23800933

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1996/006699 WO1996038322A1 (fr) 1995-05-30 1996-05-10 Configuration de faisceau de cables amelioree, avec boitier de derivation decentralise

Country Status (2)

Country Link
CA (1) CA2169703A1 (fr)
WO (1) WO1996038322A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6291770B1 (en) 1999-05-14 2001-09-18 Leoni Wiring Systems, Inc. Wiring system and method therefor
FR2822130A1 (fr) * 2001-03-14 2002-09-20 Labinal Avion comportant un cablage electrique

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61102350A (ja) * 1984-10-24 1986-05-21 Mitsubishi Electric Corp 自動車用信号伝送装置
FR2626116A1 (fr) * 1988-01-19 1989-07-21 Renault Vehicules Ind Dispositif de distribution d'energie electrique
GB2277618A (en) * 1993-04-28 1994-11-02 Henlys Group Plc Multiplexed data transmission for motor vehicle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61102350A (ja) * 1984-10-24 1986-05-21 Mitsubishi Electric Corp 自動車用信号伝送装置
FR2626116A1 (fr) * 1988-01-19 1989-07-21 Renault Vehicules Ind Dispositif de distribution d'energie electrique
GB2277618A (en) * 1993-04-28 1994-11-02 Henlys Group Plc Multiplexed data transmission for motor vehicle

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
"QUATRE POUR SOIXANTE OU LE MULTIPLEXAGE", REVUE TECHNIQUE AUTOMOBILE, vol. 46, no. 528, June 1991 (1991-06-01), BOUL. BILLANCOURT ,FR, pages XLVIII - LVI, XP000231235 *
PATENT ABSTRACTS OF JAPAN vol. 10, no. 281 (M - 520)<2337> 25 September 1986 (1986-09-25) *
WOLFF: "HALBLEITER KONZEPTE FÜR DIE AUTOMOBILELEKTRONIK", RADIO FERSEHEN ELEKTRONIK, vol. 41, no. 12, December 1992 (1992-12-01), BERLIN, pages 838 - 841, XP000368025 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6291770B1 (en) 1999-05-14 2001-09-18 Leoni Wiring Systems, Inc. Wiring system and method therefor
FR2822130A1 (fr) * 2001-03-14 2002-09-20 Labinal Avion comportant un cablage electrique

Also Published As

Publication number Publication date
CA2169703A1 (fr) 1996-12-01

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