WO2000016343A1 - Flat cable and its junction with an intelligent contact terminal - Google Patents

Flat cable and its junction with an intelligent contact terminal Download PDF

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Publication number
WO2000016343A1
WO2000016343A1 PCT/FI1998/000710 FI9800710W WO0016343A1 WO 2000016343 A1 WO2000016343 A1 WO 2000016343A1 FI 9800710 W FI9800710 W FI 9800710W WO 0016343 A1 WO0016343 A1 WO 0016343A1
Authority
WO
WIPO (PCT)
Prior art keywords
cable
current
conductor
code
conductors
Prior art date
Application number
PCT/FI1998/000710
Other languages
French (fr)
Inventor
Jorma Pohjola
Original Assignee
Iws International 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 Iws International Inc. filed Critical Iws International Inc.
Priority to AU91644/98A priority Critical patent/AU9164498A/en
Priority to PCT/FI1998/000710 priority patent/WO2000016343A1/en
Publication of WO2000016343A1 publication Critical patent/WO2000016343A1/en

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
    • H01R4/242—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
    • 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
    • H01B7/08—Flat or ribbon cables
    • H01B7/0823—Parallel wires, incorporated in a flat insulating profile
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/003—Power cables including electrical control or communication wires
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/65—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal
    • H01R12/67—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal insulation penetrating terminals

Definitions

  • the present invention relates to a flat cable, comprising two flat current conductors, set side by side in lateral direction, and two flat code conductors, set side by side in lateral direction.
  • the invention relates also to a junction of the flat cable with an intelligent contact terminal, comprising first contact pins for piercing the current conductors of the cable and second contact pins for piercing the code conductors of the cable.
  • the invention can be applied in the current distribution systems of vehicles as disclosed e.g. in International publication prints WO 93/10591, WO 95/15594, and WO 97/02965.
  • An object of the invention is to provide a flat cable, which includes said flat conductors and is easy to manufacture, makes it possible to deflect the cable to bends and further provides a reliable junction with an intelligent contact terminal in terms of both current and code conductors.
  • fig. 1 shows a terminal attachable to a cable with its sections opened for the installation of a cable
  • fig. 2 shows the terminal of fig. 1 when attached to a cable
  • fig. 3 shows the terminal of fig. 2 in a longitudinal section
  • fig. 4 shows the same terminal in a side view
  • fig. 5 shows a block diagram for electronics included in the terminal
  • fig. 6 shows one exemplary embodiment for a cable of the invention in a longitudinal section
  • fig. 7 shows a second exemplary embodiment for a cable of the invention in a longitudinal section.
  • the terminal consists of a power electronics section 1 and a control electronics section 2, which are separate from each other and only joined together by means of conductors 12 included in one edge of the sections 1 , 2 and connecting power switches 16 of the power electronics section 1 and low-current electronics included in the control electronics section 2 and described further in reference to fig. 5.
  • the power electronics section 1 is provided with contact pins 4, which connect to current wires 6 of the cable 3.
  • the control electronics section 2 is provided with contact pins 5 for attachment to code wires 7 of the cable 3.
  • Attachment of the terminal to the cable is performed e.g. in such a manner that the conductors 6 are provided with preliminary holes in alignment with the pins 4 and the cable 3 is first pressed into the pins 4. Thereafter, the sections 1, 2 are inverted and clamped against each other, whereby the pins 5 penetrate through the conductors 7 and clamping elements 13a and 13b snap in engagement for clamping the sections 1 , 2 together on the opposite sides of the cable 3.
  • the power switches 16 included in the power electronics section 1 connect the contact pins 4 to output pins 8, to which can be attached a terminal 14 of a cable 19 supplying current to actuators 20.
  • the output contact pins 8 extend from the outer face of the power electronics section 1 and are surrounded by safety sleeves 9. Between the outer face of the section 1 and the front surface of the terminal 14 remains a cooling gap 15 around the safety sleeves 9. Thus, the cooling of the power electronics section 1 is effectively obtained and, in addition, it is isolated by means of the intervening cable 3 from the control electronics section 2.
  • the outer face of the control electronics section 2 is provided with a socket 10 for an input terminal 11.
  • Fig. 5 illustrates input switches 21 which can be used for delivering desired control commands to the actuators 20 connected to any given terminal in the system.
  • the control electronics section includes an ASIC-circuit 22, which includes a transmitter and a receiver for codes, a voltage feed to a processor 23, as well as a grid control for the power switches 16. An operating voltage is obtained through switches 17 to the input switches 21, which connect to the input cable of the terminal 11.
  • the grounded input switches 21 require no current feed.
  • the combined current and code cable 3 has a rectangularly shaped cross-section and includes two flat current cable 6 in parallel.
  • the other conductor layer includes two flat code cable 7 in parallel.
  • the current and code cables 6, 7 constitute two superimposed layers, whereby the contact pins 4 and 5 associated therewith, respectively, come from the opposite sides of the cable 3 into contact with the conductors 6, 7.
  • the pins 4 and 5 are overlapping in the longitudinal direction of the cable, as shown in figs. 3, 6 and 7.
  • the current conductors 6 of a cable are deflected to bends 6a, such that straight con- ductor segments 6b near the cable surface cover most of, preferably more than 70 % of the length of the cable.
  • the number of straight conductor segments is at least two, preferably three or four, over the lengthwise extent of the terminal.
  • the terminal length is indicated with an arrow A and it is typically 50 - 55 mm.
  • the code conductor 7 is provided with bends, having a density which is substantially higher than that of the bends 6a of the current conductor 6.
  • the code conductor is provided with a zigzagging which does not comply with the cyclicity of the current conductor bends. This makes the cable easy to manufacture, since the current and code conductor feeds need not be one after the other in the longitudinal direction.
  • the zigzagging of the conductors 6 and 7 is necessary in order to make the cable 3 flexible.
  • a single contact terminal 1 , 2 has several contact pins 4 gripping a single current conductor 6. This is to secure a large contact area and a continuous contact, even if one of the contact pins 4 should lose its contact e.g. as a result of rough handling or ageing of the cable.
  • fig. 6 there are always two contact pins 4 which penetrate through a single straight segment 6b.
  • Fig. 7 differs from fig. 6 in that the bends 6a are more dense and straight conductor segments 6b are shorter. In this case, the separate contact pins 4 of a terminal penetrate each through one straight segment 6b.
  • there are just two code pins 5 side by side i.e. it is not necessary to have a plurality of code pins 5 successively in the longitudinal direction, as they have a very insignificant power loading.

Landscapes

  • Multi-Conductor Connections (AREA)

Abstract

The invention relates to a flat cable and its junction with an intelligent contact terminal. A cable (3) includes two flat current conductors (6) in parallel and two flat code conductors (7) in parallel. The current and code conductors (6, 7) are in different planes on top of each other. The contact terminal includes a power electronics section (1), whose contact pins (4) penetrate into the cable (3) from one side thereof to contact with the current conductors (6). The contact terminal includes also a control electronics section (2), whose contact pins (5) penetrate into the cable (3) from the opposite side thereof to contact with the code conductors (7). The current conductors (6) are provided with bends (6a) and include therebetween straight segments (6b) which cover most of the cable length. The code conductor (7) is provided with a substantially denser zigzagging which does not comply with the cylicity of the current conductor bends.

Description

Flat cable and its junction with an intelligent contact terminal
The present invention relates to a flat cable, comprising two flat current conductors, set side by side in lateral direction, and two flat code conductors, set side by side in lateral direction.
The invention relates also to a junction of the flat cable with an intelligent contact terminal, comprising first contact pins for piercing the current conductors of the cable and second contact pins for piercing the code conductors of the cable.
The invention can be applied in the current distribution systems of vehicles as disclosed e.g. in International publication prints WO 93/10591, WO 95/15594, and WO 97/02965.
An object of the invention is to provide a flat cable, which includes said flat conductors and is easy to manufacture, makes it possible to deflect the cable to bends and further provides a reliable junction with an intelligent contact terminal in terms of both current and code conductors.
This object is achieved by means of a flat cable of the invention, whose characterizing features are set forth in the annexed claim 1. Such a cable can be attached to a contact terminal reliably by means of a junction as set forth in the annexed claim 4.
The invention will now be described in more detail with reference made to the accompanying drawings, in which
fig. 1 shows a terminal attachable to a cable with its sections opened for the installation of a cable; fig. 2 shows the terminal of fig. 1 when attached to a cable;
fig. 3 shows the terminal of fig. 2 in a longitudinal section;
fig. 4 shows the same terminal in a side view;
fig. 5 shows a block diagram for electronics included in the terminal;
fig. 6 shows one exemplary embodiment for a cable of the invention in a longitudinal section; and
fig. 7 shows a second exemplary embodiment for a cable of the invention in a longitudinal section.
The terminal consists of a power electronics section 1 and a control electronics section 2, which are separate from each other and only joined together by means of conductors 12 included in one edge of the sections 1 , 2 and connecting power switches 16 of the power electronics section 1 and low-current electronics included in the control electronics section 2 and described further in reference to fig. 5. There is a space between the terminal sections 1, 2 for receiving a cable 3. The power electronics section 1 is provided with contact pins 4, which connect to current wires 6 of the cable 3. In order to establish a secure contact, there may be a plurality of contact pins 4, e.g. four pins, arranged successively lengthwise of the cable. The control electronics section 2 is provided with contact pins 5 for attachment to code wires 7 of the cable 3. Attachment of the terminal to the cable is performed e.g. in such a manner that the conductors 6 are provided with preliminary holes in alignment with the pins 4 and the cable 3 is first pressed into the pins 4. Thereafter, the sections 1, 2 are inverted and clamped against each other, whereby the pins 5 penetrate through the conductors 7 and clamping elements 13a and 13b snap in engagement for clamping the sections 1 , 2 together on the opposite sides of the cable 3.
As shown in fig. 5, the power switches 16 (e.g. FET-tran- sistors) included in the power electronics section 1 connect the contact pins 4 to output pins 8, to which can be attached a terminal 14 of a cable 19 supplying current to actuators 20.
The output contact pins 8 extend from the outer face of the power electronics section 1 and are surrounded by safety sleeves 9. Between the outer face of the section 1 and the front surface of the terminal 14 remains a cooling gap 15 around the safety sleeves 9. Thus, the cooling of the power electronics section 1 is effectively obtained and, in addition, it is isolated by means of the intervening cable 3 from the control electronics section 2.
The outer face of the control electronics section 2 is provided with a socket 10 for an input terminal 11. Fig. 5 illustrates input switches 21 which can be used for delivering desired control commands to the actuators 20 connected to any given terminal in the system. The control electronics section includes an ASIC-circuit 22, which includes a transmitter and a receiver for codes, a voltage feed to a processor 23, as well as a grid control for the power switches 16. An operating voltage is obtained through switches 17 to the input switches 21, which connect to the input cable of the terminal 11. The grounded input switches 21 require no current feed.
The combined current and code cable 3 has a rectangularly shaped cross-section and includes two flat current cable 6 in parallel. The other conductor layer includes two flat code cable 7 in parallel. Thus, the current and code cables 6, 7 constitute two superimposed layers, whereby the contact pins 4 and 5 associated therewith, respectively, come from the opposite sides of the cable 3 into contact with the conductors 6, 7. The pins 4 and 5 are overlapping in the longitudinal direction of the cable, as shown in figs. 3, 6 and 7.
In the embodiment of fig. 6, the current conductors 6 of a cable are deflected to bends 6a, such that straight con- ductor segments 6b near the cable surface cover most of, preferably more than 70 % of the length of the cable. The number of straight conductor segments is at least two, preferably three or four, over the lengthwise extent of the terminal. The terminal length is indicated with an arrow A and it is typically 50 - 55 mm.
The code conductor 7 is provided with bends, having a density which is substantially higher than that of the bends 6a of the current conductor 6. The code conductor is provided with a zigzagging which does not comply with the cyclicity of the current conductor bends. This makes the cable easy to manufacture, since the current and code conductor feeds need not be one after the other in the longitudinal direction.
The zigzagging of the conductors 6 and 7 is necessary in order to make the cable 3 flexible.
A single contact terminal 1 , 2 has several contact pins 4 gripping a single current conductor 6. This is to secure a large contact area and a continuous contact, even if one of the contact pins 4 should lose its contact e.g. as a result of rough handling or ageing of the cable. In the case of fig. 6, there are always two contact pins 4 which penetrate through a single straight segment 6b. Fig. 7 differs from fig. 6 in that the bends 6a are more dense and straight conductor segments 6b are shorter. In this case, the separate contact pins 4 of a terminal penetrate each through one straight segment 6b. In the case of fig. 7, there are just two code pins 5 side by side, i.e. it is not necessary to have a plurality of code pins 5 successively in the longitudinal direction, as they have a very insignificant power loading.

Claims

Claims
1. A flat cable, comprising two flat current conductors (6), set side by side in lateral direction, and at least one flat code conductor (7), c h a r a c t e r i z e d^ in that the current conductors (6) and the code conductor (7) are in different planes on top of each other, that the current conductors (6) are provided at regular intervals with bends (6a), including therebetween straight conductor segments (6b) which are positioned near the cable surface and have a total length which covers most of, preferably more than 70 % of the length of the cable.
2. A flat cable as set forth in claim 1, c h a r a c - t e r i z e d in that the code conductor (7) is provided with bends, having a density which is substantially higher than that of the bends (6a) of the current conductor (6), the code conductor (7) being provided with a zigzagging which does not comply with the cyclicity of the bends (6a) of the current conductors (6).
3. A flat cable as set forth in claim 1 or 2 , c h a r a c t e r i z e d in that the cable includes two flat code conductors (7) set side by side in lateral direction.
4. A junction of a flat cable with an intelligent contact terminal, comprising first contact pins (4) for piercing the current conductor (6) of a cable (3) and second contact pins (5) for piercing the code conductor (7) of the cable (3), c h a r a c t e r i z e d in that the current and code conductors (6, 7) are in different planes on top of each other and that the first and second contact pins (4, 5) penetrate into the cable (3) from opposite sides thereof.
5. A junction as set forth in claim 4, c h a r - a c t e r i z e d in that between bends (6a) included in the current conductor (6) there are straight segments (6b), the number of which is at least two over the lengthwise extent of a contact terminal (1, 2) and that at least two contact pins (4) as per contact terminal grips a single current conductor (6).
AMENDED CLAIMS
[received by the International Bureau on 20 December 1999 (20 12 99) , original claims 1-5 replaced by new claims 1-5 (2 pages)]
1. A flat cable and its junction to current consuming devices (20) through an intelligent contact terminal, the flat cable, comprising two current conductors (6), set side by side in lateral direction, and at least one flat" code conductor (7), the current conductors (6) being provided with bends (6a), including therebetween straight conductor segments (6b), the contact terminal comprising first contact pins (4) for piercing the current conductors (6) of the cable (3), second contact pins (5) for piercing the code conductor (7) of the cable (3), and third contact pins (8) to which is attached a terminal of a cable (19) supplying current to the current consuming devices (20), c h a r a c t e r i z e d in that at least a portion of the first and second contact pins (4, 5) penetrate into the cable (3) from opposite sides thereof, the first pins (4) being connected through power switches (16) of the intelligent contact terminal (1, 2) to the third pins (8), and in that the code conductor (7) is provided with bends, having a density which is substantially higher than that of the bends (6a) of the current conductor (6), the code conductor (7) being provided with a zigzagging which does not comply with the cyclicity of the bends (6a) of the current conductors (6).
2. A flat cable and its junction as set forth m claim 1, c h a r a c t e r i z e d in that at least two contact pins (4) as per contact terminal (1, 2) grips a single current conductor (6).
3. A flat cable and its junction as set forth in claim 1 or 2, c h a r a c t e r i z e d in that between bends (6a) included in the current conductor (6) there are straight segments (6b), the number of which is at least two over the lengthwise extent of a contact terminal (1, 2).
€NOED SHEET (AtrøCLE 19)
4. A flat cable and its junction as set forth in claim 1, 2 or 3, c h a r a c t e r i z e d in that the cable includes two flat code conductors (7) set in a different plane as the current conductors (6).
5. A flat cable and its junction as set forth in any of claims 1-4, c h a r a c t e r i z e d in that the straight conductor segments (6b) of the current conductors (6) have a total length which covers more than 70 % of the length of the cable,
PCT/FI1998/000710 1998-09-10 1998-09-10 Flat cable and its junction with an intelligent contact terminal WO2000016343A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU91644/98A AU9164498A (en) 1998-09-10 1998-09-10 Flat cable and its junction with an intelligent contact terminal
PCT/FI1998/000710 WO2000016343A1 (en) 1998-09-10 1998-09-10 Flat cable and its junction with an intelligent contact terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FI1998/000710 WO2000016343A1 (en) 1998-09-10 1998-09-10 Flat cable and its junction with an intelligent contact terminal

Publications (1)

Publication Number Publication Date
WO2000016343A1 true WO2000016343A1 (en) 2000-03-23

Family

ID=8556728

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI1998/000710 WO2000016343A1 (en) 1998-09-10 1998-09-10 Flat cable and its junction with an intelligent contact terminal

Country Status (2)

Country Link
AU (1) AU9164498A (en)
WO (1) WO2000016343A1 (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2131075A5 (en) * 1971-03-31 1972-11-10 Elfverson Goran
US3708608A (en) * 1971-01-20 1973-01-02 D Wyman Electric power cord and method of making
DE1415692B2 (en) * 1960-12-12 1974-10-10 Paul Dr. London Eisler Ribbon cable
US4442314A (en) * 1982-08-18 1984-04-10 Woven Electronics Corporation Shielded woven cable assembly and method of making same
WO1995015594A1 (en) * 1993-12-01 1995-06-08 Oy Iws International Inc. Conductor joint and tool and method for making the joint
FR2730095A1 (en) * 1995-02-01 1996-08-02 Beromet Electrical connector device with automatic wire stripping function
WO1997045895A1 (en) * 1996-05-27 1997-12-04 Oy Iws International Inc. A junction between an intelligent contact terminal and a cable
WO1997049101A1 (en) * 1996-06-19 1997-12-24 Oy Iws International Inc. Flat cable and method for its manufacture
WO1998008272A1 (en) * 1996-08-21 1998-02-26 Jolly Andre Jean Connection pin for electrical apparatus in a sandwich construction with conductive cores
US5742130A (en) * 1991-11-12 1998-04-21 Korkala; Heikki Intelligent lamp or intelligent contact terminal for a lamp

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1415692B2 (en) * 1960-12-12 1974-10-10 Paul Dr. London Eisler Ribbon cable
US3708608A (en) * 1971-01-20 1973-01-02 D Wyman Electric power cord and method of making
FR2131075A5 (en) * 1971-03-31 1972-11-10 Elfverson Goran
US4442314A (en) * 1982-08-18 1984-04-10 Woven Electronics Corporation Shielded woven cable assembly and method of making same
US5742130A (en) * 1991-11-12 1998-04-21 Korkala; Heikki Intelligent lamp or intelligent contact terminal for a lamp
WO1995015594A1 (en) * 1993-12-01 1995-06-08 Oy Iws International Inc. Conductor joint and tool and method for making the joint
FR2730095A1 (en) * 1995-02-01 1996-08-02 Beromet Electrical connector device with automatic wire stripping function
WO1997045895A1 (en) * 1996-05-27 1997-12-04 Oy Iws International Inc. A junction between an intelligent contact terminal and a cable
WO1997049101A1 (en) * 1996-06-19 1997-12-24 Oy Iws International Inc. Flat cable and method for its manufacture
WO1998008272A1 (en) * 1996-08-21 1998-02-26 Jolly Andre Jean Connection pin for electrical apparatus in a sandwich construction with conductive cores

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