WO2016082935A1 - Kabel mit verseilten aderpaaren - Google Patents
Kabel mit verseilten aderpaaren Download PDFInfo
- Publication number
- WO2016082935A1 WO2016082935A1 PCT/EP2015/002384 EP2015002384W WO2016082935A1 WO 2016082935 A1 WO2016082935 A1 WO 2016082935A1 EP 2015002384 W EP2015002384 W EP 2015002384W WO 2016082935 A1 WO2016082935 A1 WO 2016082935A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cable
- wire
- wire pairs
- pairs
- wires
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/002—Pair constructions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/18—Coaxial cables; Analogous cables having more than one inner conductor within a common outer conductor
- H01B11/1808—Construction of the conductors
- H01B11/1821—Co-axial cables with at least one wire-wound conductor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/18—Coaxial cables; Analogous cables having more than one inner conductor within a common outer conductor
- H01B11/1895—Particular features or applications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/18—Coaxial cables; Analogous cables having more than one inner conductor within a common outer conductor
- H01B11/20—Cables having a multiplicity of coaxial lines
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
Definitions
- the invention relates to a cable with at least two wire pairs, each of which is set up to transmit a differential data signal.
- the invention relates to a USB cable such as a USB 3.0 cable or a USB 3.1 cable.
- USB signals are required for a wide variety of technical applications.
- a USB socket may be desired for insertion of USB terminals so that a USB cable must be routed through the vehicle from front to back.
- USB jacks or USB ports may be required in various locations (offices, public facilities, means of transport, etc.) to connect USB devices, for which purpose USB cables are to be routed.
- Conventional USB2 interfaces eg USB 2.0 interfaces
- D + and D- one wire pair for the power supply
- the data transmission takes place symmetrically via the signal wire pair, whereby the data signal ("signal part") is transmitted through one wire of the signal wire pair and the data signal ("reference part") inverted to it by the other wire.
- a cable for the transmission of USB2 signals has for this purpose as a pair of signal conductors two twisted and shielded wires to avoid transmission interference as possible.
- the signal receiver determines the differential voltage of the signal Core pair of differentially transmitted data signal, so that on both wires of the signal wire pair to the same extent acting disturbances are eliminated.
- USB3 interfaces eg USB3.0 interfaces
- SSTX + and SSTX-, SSRX + and SSRX- additional signal wire pairs
- D +, D-, GND, VBUS additional signal wire pairs
- a conventional USB 3.0 cable is shown in FIG. Shown are three pairs of twisted pairs (twisted pairs 112, 114, 116), which are each set up to transmit a differential data signal. Adjacent to the twisted pair of wires, in each case a ground conductor in the form of a drain wire 115 may be provided. There are also two (non-twisted) wires 122, 124 for power supply. The individual wire pairs are each surrounded by a foil screen, and all the wires are circulated by a common screen 130 and a protective jacket 150. In addition, fillers 140 may be provided to ensure a round-cut cable.
- the stranding according to the invention the mutual course of the individual wire pairs and the distance to the respectively adjacent wire pairs along the cable are each predetermined, so that a predictable, constant crosstalk per cable unit length can be expected.
- the cable can be made more compact and thus also thinner and more space-saving than conventional cables, whereby the assembly costs and the transport costs can be reduced.
- the arrangement of the wire pairs according to the invention reduces the cable diameter by about 20% to about 40%. in particular by about 30% possible.
- conventional USB-3 cables with comparable core cross-sections have a cable diameter between 7 mm and 8 mm.
- a USB-3 cable according to the invention has a cable diameter of between 5 and 6 mm, in particular approximately 5.5 mm.
- the cable according to the invention has exactly three helical pairs running around the common stranding center. If the cable is a USB 3.x cable, the three pairs of wires represent the pairs of conductors SSTX + and SSTX- described above; SSRX + and SSRX-; D + and D- dar. Alternatively, four and more pairs of wires, each set up to transmit a differential signal, possible.
- the common stranding center has a further core extending preferably in the center of the cable, in particular the current-carrying core (VBUS) of the USB cable.
- VBUS current-carrying core
- the further wire has a conductor with a larger cross-sectional area than the conductors of the differential wire pairs.
- the more vein the larger the cross sectional area the more vein pairs are to be stranded around them.
- higher currents or higher electrical power can be transmitted via a wire with a larger conductor cross-section.
- the conductor diameters of the individual wires of the wire pairs are preferably less than half as large as the conductor diameter of the other wire.
- the cross-sectional area of the conductor of the further wire is greater than 0, 5 mm 2 and smaller than 1, 5 mm 2 , in particular about 0.75 mm 2 .
- the laying of additional power cable in addition to the USB cable, as already high electrical power can be transmitted via the cable according to the invention.
- the conductor of the further wire has ten or more, in particular 15 or more copper wires with a diameter of less than 0.5 mm, in particular less than 0.25 mm.
- the insulation of the other core may consist of a "bad" material from a HF technical point of view, ie a material with a high dissipation factor or high damping, for example the insulation of the other core is a PVC insulation disturbances within the cable, which, for example, can lead to increased coupling of the SSTX / SSRX wire pairs with each other, are additionally attenuated.
- USB cables regularly have a shield, for example in the form of a braid shield.
- a common screen surrounding all wire pairs is preferably provided.
- This screen is preferably grounded and more preferably forms the ground conductor (GND) of the cable.
- GND ground conductor
- the already existing screen forms the ground conductor, whereby the compactness of the cable can be further improved while maintaining the shielding effect.
- the stranding center in the form of a single core namely the current-carrying wire of the USB cable, form, which makes the production of stranded cable easier, since there are no other spurious wires.
- the lay length of the helical course of the individual wire pairs is greater than 40 mm and less than 120 mm, preferably greater than 60 mm and less than 100 mm, in particular about 80 mm.
- the lay length is the length of the cable length direction that requires a wire pair for a 360 ° turn around the stranding center.
- the distance between the wires of a wire pair is smaller than the distance between adjacent wire pairs.
- the two wires of at least two pairs of wires are directly adjacent to each other, while they each maintain a distance to the next adjacent wire of the nearest wire pair.
- spacer elements may be provided between the individual wire pairs, wherein the spacer elements may be stranded together with the wire pairs around the common stranding center around.
- the two wires of at least two pairs of wires are each adjacent to each other, while the two wires of at least one third pair of wires are arranged spaced from each other.
- the two cores of the third pair of cores are arranged on opposite sides of the stranding center and / or each offset by about 90 ° to the other two wire pairs.
- the third is Wire pair the high-speed wire pair (D + and D-) of the USB cable, and the other two wire pairs are the super-speed wire pairs (SSTX + and SSTX-, SSRX + and SSRX-) of the USB cable. It is important that the veins of at least one third pair of wires are stranded around the common stranding center around.
- At least two pairs of conductors have their own shielding, preferably in the form of a foil shield enclosing the pair of conductors.
- the film screens of the individual wire pairs can in each case bear tangentially with respect to a compact arrangement on the further wire forming the stranding center.
- all wire pairs of the cable in the case of a USB-3 cable all three wire pairs, have their own shielding.
- At least two wire pairs of the cable in the case of a USB-3 cable, the two super-speed pairs, a separate shielding, but at least a third wire pair of the cable, in the case of a USB-3 Cable the high-speed pair D +, D-, has no own shielding on.
- the wires of the third pair of wires are widely spaced in the cable, preferably on opposite sides of the stranding center.
- the two wires of the third wire pair are arranged adjacent to the common screen ("sum screen") surrounding all pairs of wires, so that a maximum coupling of these wires to the grounded sum screen is ensured from a "quasi-mass transmission" over the third pair of wires are spoken, with good decoupling to the centrally running in the cable current-carrying wire.
- the electric field emanating from the cores of the third pair of wires is oriented in each case toward the adjacent summation screen, but not in the direction of the center of the cable in which the current-carrying core runs.
- the shields circulating the wire pairs such as the film screens, respectively electrically contact the above-described common shield of the cable which circulates all wire pairs ("sum screen")
- sum screen common shield of the cable which circulates all wire pairs
- the individual wires of the wire pairs each have substantially the same distance to the stranding center.
- the centers of the individual strands of the wire pairs each lie on a circle around the stranding center.
- the compactness of the cable can be further improved by arranging the wire pairs in (all) cross-sectional planes running through the cable substantially rotationally symmetrical with respect to the stranding center.
- the wire pairs (or the centers of the wires of the wire pairs) each lie substantially on the side of an equilateral triangle or a square enclosing the stranding center.
- an equilateral triangle there are a maximum of three wire pairs, each on one side of the triangle, and in the case of a square, a maximum of four wire pairs, each on one side of the square, are provided.
- an intended distance between the individual wire pairs can be ensured by rope-like running in the longitudinal direction of the cable filling elements, which can extend together with the wire pairs helically around the common stranding center around.
- the filling elements may be arranged in the cable such that the overall result is a substantially circular cable cross-section.
- filling elements may be provided whose cross-section substantially corresponds to the cross section of the cores of the wire pairs, so that not only wire pairs, but also pairs of filling elements extend helically around the stranding center and overall form a rotationally symmetrical arrangement. For example. are in running through the cable cross-sectional planes three wire pairs and a pair of filling elements The four sides of a square are twisted around the common stranding center.
- wire other conductors in the cable in addition to the wire pairs and the centrally arranged further wire other conductors in the cable.
- These other conductors may be required to transmit data signals, control signals, electric currents, or the like, as needed. be provided.
- the other conductors do not necessarily circulate the common stranding center helically, but they can also have a linear course as needed.
- the additional conductors may be provided instead of the above-mentioned rope-like filling elements and take their position in the cable.
- each pair of wires may be assigned a straight line passing through the stranding center and between the wires of the pair, which does not intersect the wires of the pair.
- a filling element runs in the longitudinal direction of the cable in a rope-like manner, which, together with the wire pairs, runs helically around the common stranding center, ensures an intended spacing between the wire pairs, and which is formed on the stranding center.
- the molded filling element may be formed from the material of the insulation, which surrounds the core of the stranding center.
- the stranding center can be integrally formed with the molded filling element and forms grooves or depressions in the wires and / or wire pairs partially submerge.
- two electrical conductors of a wire pair are sheathed with a common, electrically insulating sheath. This simplifies the manufacture of such a wire pair.
- an electrical conductor of a single core is sheathed with an electrically insulating sheath of elliptical cross-section.
- the Single wire can be one of two wires of another wire pair. This also allows a waiver of filling elements and thus simplifies the production of the cable.
- Fig. 1a is a sectional view (left) and a side view (right) of a first
- Fig. 1b is a sectional view (left) and a side view (right) of a second
- FIG. 2 shows a sectional view of a conventional USB 3.0 cable
- FIG. 3 shows a sectional view of a third embodiment of a cable according to the invention
- FIG. 4 a shows a sectional view of a fourth embodiment of a cable according to the invention
- 4b is a sectional view of another embodiment of a wire pair of a cable according to the invention.
- Fig. 5 is a sectional view of a fifth embodiment of a cable according to the invention.
- Fig. 1a on the left a cross-sectional view of a first embodiment of the present invention and on the right a longitudinal view of this embodiment is shown in a partially cutaway side view. Shown is a USB 3.x cable 10 with a total of three wire pairs 12, 14, 16, which are each set up to transmit a differential data signal. Each wire pair has two together adjacent and juxtaposed cores 13 and is surrounded by a separate screen 15 such as a foil screen.
- the individual wires 13 are made of tinned copper wires, have a conductor cross section between 0.05 and 0.2 mm 2 and a PP insulation.
- the wire pairs extend helically in the longitudinal direction L of the cable 10 around a common stranding center 20, the stranding center being formed by a further wire 22 with a large conductor diameter X running in the center of the cable.
- the cores of the individual wire pairs are not twisted together, but the wire pairs are stranded together to obtain a total stranding strand, resulting in a particularly compact and stable cable.
- the lay length of the stranding is about 80 mm, whereby other lay lengths are possible as required and depending on the number of wire pairs and the diameter of the stranding center 20.
- the total diameter of the cable is between 5 mm and 6 mm.
- Comparable conventional USB cables have an overall diameter that is about 20% to 40% larger.
- the cross-sectional area of the conductor 24 of the further wire 22 here is about 0.75 mm 2
- the cross-sectional area of the conductors 25 of the wire pairs 12, 14, 16 here is about 0.14 mm 2 .
- the diameter Y of the conductors 25 of the wire pairs is less than half as large as the diameter X of the conductor 24.
- the central further wire 22 is adapted to the transmission of high currents of more than 2 A. It forms the current-carrying wire of the USB cable.
- the cable 10 has a common screen 30 surrounding all wires in the form of a braid of tinned Cu wires, which forms the ground conductor of the USB cable.
- additional Masseader can be dispensed with.
- the film screens 15 of the individual wire pairs contact the summation screen 30 electrically. In this case, additional drain wires that run inside the foil screens 15 are not necessarily required.
- the three wire pairs 12, 14, 16 are substantially rotationally symmetrical with a threefold Rotational symmetry arranged around the other wire 22 around.
- the wire pairs each enclose an angle of about 120 ° with respect to the stranding center 20 between them.
- This rotationally symmetrical arrangement is ensured by filling elements 41 each arranged between the wire pairs 12, 14, 16 and also stranded around the stranding center 20.
- the cable 10 is surrounded by a protective jacket 50, which may, for example, consist of PVC.
- a protective jacket 50 which may, for example, consist of PVC.
- Fig. 1 b on the left a cross-sectional view of a second embodiment of the present invention and on the right is a longitudinal view of this embodiment in a partially cutaway side view.
- This cable 10 ' is also a USB cable (USB 3.x cable) with a total of three wire pairs 12, 14, 16 for transmitting a respective differential data signal.
- USB 3.x cable USB 3.x cable
- the three pairs of wires 12, 14, 16 likewise extend helically in a substantially rotationally symmetrical arrangement in section around the common stranding center 20, which is formed by the current-carrying core 22.
- the rotational symmetry is fourfold, with one pair of fillers 40 occupying the space of a (non-existent) fourth pair of wires.
- the three pairs of wires 12, 14, 16 and the pair of filling elements 40 lie in each cross-sectional plane respectively on one side of a square enclosing the stranding center 20.
- the diameter of the filling elements 40 essentially corresponds to the diameter of the wires 13 of the wire pairs 12, 14, 16.
- the wire pairs each enclose an angle of about 90 ° between them.
- further filling elements 40, 41 may be provided to ensure a predetermined mutual arrangement of the wire pairs 12, 14, 16 and / or a total of a round cable without dents or the like. provide.
- the (non-conductive) filling elements 40, 41 may be provided in the cable further conductors, the like for the transmission of data, signals, currents or the like. can be provided.
- non-stranded conductors such as linearly extending further conductors may be provided in the cable.
- FIG. 3 A third embodiment of a USB 3.x cable 10 "according to the invention is shown in cross-section in Fig. 3.
- This cable 10" has two wire pairs 1 2, 114 (the two super-speed pairs of the USB cable) are each surrounded by a separate foil screen 15, which electrically contacts the summation screen 30.
- These two wire pairs 112, 14 are arranged on opposite sides of the central current-carrying wire 22 and extend helically around the common stranding center 20 formed by the wire 22.
- the two wires of a third wire pair 116 (of the high-speed pair D +, D-) are provided spaced apart in the cable, on opposite sides of the central current-carrying wire 22 each offset by 90 ° to the two wire pairs 1 2, 114
- the cores of the third core pair 116 also run around the stranding center 20 in a stranded manner, so that the cable has the same arrangement of cores-apart from a twist about the stranding center 20 -in arbitrary cross-sectional planes.
- the two wires of the third wire pair 116 are arranged directly adjacent to the grounded sum screen 30, so that a quasi-mass-related transmission results practically without coupling in the direction of the central current-carrying wire 22.
- FIG. 3 shows that four filling elements 40 are arranged between the stranding center 20 and the two wire pairs 112, 114 and the third wire pair 116 in this exemplary embodiment.
- the summation screen 30 comprises a mesh of electrically conductive threads and / or wires and / or an electrically conductive foil.
- FIG. 4 a shows in cross-section a fourth embodiment of a USB 3.x cable 10 "according to the invention, which differs from the third embodiment in that the stranding center 20 has an integrally formed filling element 40 a.
- the molded filling element 40a is in the present embodiment of the
- the stranding center 20 integrally formed with the molded filling element 40a. Furthermore, the stranding center 20 forms with the molded
- Filling element 40a grooves or depressions into which the two core pairs 112, 114 and the third wire pair 116 at least partially submerge.
- FIG. 4b shows a further embodiment of the two wire pairs 112, 114, which differs from the fourth embodiment in that the two electrical conductors of the two wire pairs 112, 114 are each surrounded by a common, electrically insulating casing 200.
- a fifth embodiment of a USB 3.x cable according to the invention 10 "" is shown in cross section, which differs from the fourth embodiment in that the two shells 202a, 202b, each of the two electrical conductors of the third pair of wires 116 surrounded, have an elliptical cross-section.
- the stranding center 20 may have a circular cross section as in the third embodiment shown in FIG. Alternatively, however, the stranding center 20 may also have filler elements 40a integrally formed analogously to the fourth embodiment.
- this fifth embodiment can have the embodiment of the two wire pairs 112, 114 shown in FIGS. 3 and 4a or the embodiment of the two wire pairs 112, 114 shown in FIG. 4b.
- the cable according to the invention is not necessarily a USB cable.
- the cable according to the invention can also have only two or more than three stranded wire pairs. To ensure a rotationally symmetrical design, more than one wire pair can be replaced by a pair of filler elements.
- Particularly important according to the invention is the stranding of the wire pairs around a common stranding center, wherein the stranding center is preferably formed by the centrally arranged, current-carrying wire of a USB cable.
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- Communication Cables (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017528537A JP6481033B2 (ja) | 2014-11-28 | 2015-11-26 | 撚り対線を有するケーブル |
KR1020177015816A KR20170088364A (ko) | 2014-11-28 | 2015-11-26 | 감김된 전선 쌍을 구비하는 케이블 |
CA2970736A CA2970736A1 (en) | 2014-11-28 | 2015-11-26 | Cable with stranded wire pairs |
EP15804066.7A EP3224838B1 (de) | 2014-11-28 | 2015-11-26 | Kabel mit verseilten aderpaaren |
US15/531,142 US10249411B2 (en) | 2014-11-28 | 2015-11-26 | Cable with stranded wire pairs |
CN201580072913.7A CN107112091B (zh) | 2014-11-28 | 2015-11-26 | 具有绞合线对的线缆 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202014009498.5 | 2014-11-28 | ||
DE202014009498.5U DE202014009498U1 (de) | 2014-11-28 | 2014-11-28 | Kabel mit verseilten Aderpaaren |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016082935A1 true WO2016082935A1 (de) | 2016-06-02 |
Family
ID=52447140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2015/002384 WO2016082935A1 (de) | 2014-11-28 | 2015-11-26 | Kabel mit verseilten aderpaaren |
Country Status (9)
Country | Link |
---|---|
US (1) | US10249411B2 (de) |
EP (1) | EP3224838B1 (de) |
JP (1) | JP6481033B2 (de) |
KR (1) | KR20170088364A (de) |
CN (1) | CN107112091B (de) |
CA (1) | CA2970736A1 (de) |
DE (1) | DE202014009498U1 (de) |
TW (1) | TWM517896U (de) |
WO (1) | WO2016082935A1 (de) |
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- 2014-11-28 DE DE202014009498.5U patent/DE202014009498U1/de active Active
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2015
- 2015-11-02 TW TW104217494U patent/TWM517896U/zh not_active IP Right Cessation
- 2015-11-26 JP JP2017528537A patent/JP6481033B2/ja not_active Expired - Fee Related
- 2015-11-26 WO PCT/EP2015/002384 patent/WO2016082935A1/de active Application Filing
- 2015-11-26 KR KR1020177015816A patent/KR20170088364A/ko unknown
- 2015-11-26 US US15/531,142 patent/US10249411B2/en active Active
- 2015-11-26 EP EP15804066.7A patent/EP3224838B1/de active Active
- 2015-11-26 CN CN201580072913.7A patent/CN107112091B/zh active Active
- 2015-11-26 CA CA2970736A patent/CA2970736A1/en not_active Abandoned
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Also Published As
Publication number | Publication date |
---|---|
JP6481033B2 (ja) | 2019-03-13 |
CA2970736A1 (en) | 2016-06-02 |
US20170330651A1 (en) | 2017-11-16 |
TWM517896U (zh) | 2016-02-21 |
KR20170088364A (ko) | 2017-08-01 |
JP2017536679A (ja) | 2017-12-07 |
EP3224838B1 (de) | 2021-05-19 |
CN107112091B (zh) | 2020-06-30 |
CN107112091A (zh) | 2017-08-29 |
US10249411B2 (en) | 2019-04-02 |
EP3224838A1 (de) | 2017-10-04 |
DE202014009498U1 (de) | 2015-01-15 |
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