CN111696719A - Photoelectric hybrid data transmission cable and Type-C data line - Google Patents
Photoelectric hybrid data transmission cable and Type-C data line Download PDFInfo
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- CN111696719A CN111696719A CN202010720031.XA CN202010720031A CN111696719A CN 111696719 A CN111696719 A CN 111696719A CN 202010720031 A CN202010720031 A CN 202010720031A CN 111696719 A CN111696719 A CN 111696719A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/005—Power cables including optical transmission elements
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- 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
- H01B7/0045—Cable-harnesses
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- 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
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
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- 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
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
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Abstract
The invention discloses a photoelectric hybrid data transmission cable and a Type-C data line. The photoelectric hybrid data transmission cable comprises an outer cladding layer, an optical cable, a power transmission cable, a signal transmission cable and a grounding cable, wherein the optical cable, the power transmission cable, the signal transmission cable and the grounding cable are stranded and coated in the outer cladding layer. Type-C data line still includes public head and female head, public head and female head are all for having Type-C connector plug. The photoelectric hybrid data transmission cable has good reliability and flexibility. The Type-C data line of the photoelectric hybrid data transmission cable is convenient to carry.
Description
Technical Field
The invention relates to the field of data transmission, in particular to an optical-electrical hybrid data transmission cable and a Type-C data line.
Background
With popularization and commercialization of intelligent devices such as VR (virtual reality), the requirements for data transmission are increasing, and the requirements for hardware are also increasing. For data transmission, various signal transmissions are required, such as power supply, control signals, audio and video signals, and the like, and a plurality of wires are adopted for separate transmission. Particularly, in the prior art, a metal wire transmission mode is generally adopted for transmission of audio and video signals, and the problems of poor interference resistance, easiness in attenuation and the like exist in metal transmission, so that the requirements of existing high-definition and ultrahigh-definition audio and video transmission are difficult to meet. In the prior art, a photoelectric composite data transmission cable is also available, but the cable is mainly used for interfaces with larger volume, such as an HDMI interface, and the cable has larger diameter, heavier mass, larger volume, poor flexibility and is inconvenient to carry.
Disclosure of Invention
In view of the above-mentioned drawbacks and needs of the prior art, the present invention provides an optical-electrical hybrid data transmission cable and a Type-C data line. The photoelectric hybrid data transmission cable has the advantages of good reliability, good flexibility and portability.
The technical scheme adopted by the invention for solving the technical problems is as follows:
in one aspect, the present invention provides an optical-electrical hybrid data transmission cable, which includes an outer cladding, an optical cable, a power transmission cable, a signal transmission cable, and a ground cable, wherein the optical cable, the power transmission cable, the signal transmission cable, and the ground cable are stranded and coated in the outer cladding.
Specifically, no filling material is arranged among the optical cable, the power transmission cable, the signal transmission cable and the grounding cable.
Specifically, among the optical cable, the power transmission cable, the signal transmission cable, and the ground cable, the power transmission cable has the largest outer diameter, and the optical cable has the smallest outer diameter.
Specifically, the power transmission cable is disposed near the outer cladding, and the optical cable is disposed in a gap between the signal transmission cable and the ground cable.
In another aspect of an embodiment of the present invention, the number of the optical cables is 4, and each optical cable has an outer diameter of 0.25 to 0.45 mm.
On the other hand, according to one embodiment of the present invention, the number of the signal transmission cables is 5, each signal transmission cable includes a copper wire and a non-conductive layer arranged around the copper wire, and the non-conductive layer is a PP insulating layer; the signal transmission cable is used for transmitting electric signals, the type of the copper wire is a 7/0.08 tinned copper wire, and the outer diameter of an insulating layer of the signal transmission cable is 0.45+/-0.15 mm.
On the other hand, according to an embodiment of the present invention, the number of the power transmission cable is 1, a tinned copper wire is used, a PP insulating layer is coated outside the tinned copper wire, the copper wire type of the power transmission cable is 28AWG, and the outer diameter of the PP insulating layer of the power transmission cable is 0.7 ± 0.25 mm.
In another aspect of an embodiment of the present invention, there are two grounding cables, and each grounding cable is a 19/0.08 model tinned copper wire.
In another aspect of an embodiment of the present invention, the outer covering is an insulating protective layer, the outer covering is TPU, and the outer diameter of the outer covering is 2.5-3.5 mm.
In another aspect, the present invention provides a Type-C data line comprising the opto-electric hybrid data transmission cable according to any one of claims 1 to 9.
In another aspect, the Type-C data line of the invention further comprises a male head and a female head, wherein the male head and the female head are both provided with Type-C connector plugs.
On the other hand, the male head and the female head of the Type-C data line both have the photoelectric module assemblies, and the photoelectric hybrid data transmission cable is connected with the photoelectric module assemblies of the male head and the female head.
Compared with the prior art, the invention has the beneficial effects that:
(1) on one hand, the photoelectric hybrid data transmission cable is smaller than 4mm in diameter, light in use and convenient to carry.
(2) On the other hand, the photoelectric hybrid data transmission cable does not have a separate filling layer, so that the diameter of the cable is further reduced, the flexibility is improved, and the portability is enhanced.
(3) On the other hand, the optical cable, the power transmission cable, the signal transmission cable and the grounding cable are stranded and coated in the outer coating layer, so that the outer diameter of the cable is reduced, the reliability is good, and the strength is high.
(4) On the other hand, the photoelectric hybrid data transmission cable is characterized in that the power transmission cable is arranged close to the outer cladding layer, the optical cable is arranged in a gap between the signal transmission cable and the grounding cable, an asymmetric design is adopted, the limited wire diameter space is fully utilized, the optical fiber is naturally protected, and the reliability is good.
(5) On the other hand, the Type-C data line can be used for data transmission among thinner, slimmer and more portable devices, supports DP1.4, USB3.1 and bidirectional 5Gbps, and supports USB1.1, USB2.0 and 480 Mbps. The transmission image signal is not compressed, and the image quality is not distorted; the photoelectric hybrid cable is anti-interference, non-radiative and highly resistant to EMI; the standard USBTypeC interface, 850nmVCSEL and PIN photoelectric detector are adopted, plug and play are realized, and hot plug is supported.
(6) On the other hand, the Type-C data line does not need an external power supply, supports 1.5A large-current transmission and supports other customizations. The applicable length is 0.2-3 meters, and other distance customization is supported.
Drawings
Fig. 1 is a schematic cross-sectional view of an embodiment of an optical-electrical hybrid data transmission cable according to the present invention.
FIG. 2 is a diagram of an embodiment of a photoelectric composite USBType-C data line according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Fig. 1 is a schematic cross-sectional view of an embodiment of an optical-electrical hybrid data transmission cable according to the present invention. The photoelectric hybrid data transmission cable comprises an outer cladding 10, an optical cable, a power transmission cable 40, a signal transmission cable and a grounding cable. The optical cable, the power transmission cable, the signal transmission cable and the grounding cable are stranded and coated in the outer coating layer (gaps are formed among the cables in the drawing, and the cables are actually stranded together for convenience of display). The outer cladding 10 is an insulating protective layer and is made of TPU material, and the outer diameter of the outer cladding is 2.5-3.5 mm. The outer cover is made of TPU, and has good elasticity and hand feeling.
And no filling material is arranged among the optical cable, the power transmission cable, the signal transmission cable and the grounding cable. Among the optical cable, the power transmission cable, the signal transmission cable, and the ground cable, the power transmission cable has the largest outer diameter, and the optical cable has the smallest outer diameter. The power transmission cable is arranged close to the outer cladding, and the optical cable is arranged in a gap between the signal transmission cable and the grounding cable (the outer diameter of the optical cable is relatively small, so that the wire diameter of the optical cable is enlarged for convenience of display in the figure).
Specifically, the number of the optical cables is 4, and the optical cables are respectively a first optical cable 201, a second optical cable 202, a third optical cable 203, and a fourth optical cable 204. The outer diameter of each optical cable is 0.25-0.45 mm. The optical fiber cable is a multimode optical fiber cable, for example, using optical fiber with a nominal diameter of G50/125 μm.
Specifically, the number of the signal transmission cables is 5, and the signal transmission cables include a first signal transmission cable 301, a second signal transmission cable 302, a third signal transmission cable 303, a fourth signal transmission cable 304, and a fifth signal transmission cable 305. Each signal transmission cable includes a copper wire and a non-conductive layer disposed around the copper wire, the non-conductive layer being a PP insulating layer. The signal transmission cable is used for transmitting electric signals, the type of the copper wire is a 7/0.08 tinned copper wire, and the outer diameter of an insulating layer of the signal transmission cable is 0.45+/-0.15 mm.
Specifically, power transmission cable 40 is 1, adopts tinned wire, wraps the PP insulating layer outward, and power transmission cable's copper line model is 28AWG, and power transmission cable's PP insulating layer external diameter is 0.7 0.25 mm.
Specifically, the number of the ground cables is two, and the two ground cables include a first ground cable 501 and a second ground cable 502. Each grounding cable is a tinned copper wire with the model number of 19/0.08.
Example one
In this example, a TB450 optical fiber was used, the outer diameter of the optical fiber was 0.45mm, and the outer diameter of the outer cladding was 2.75. + -. 0.25 mm. The optical fiber is TB450 optical fiber, the outer diameter is larger, the wire diameter of the photoelectric hybrid data transmission cable is small, the reliability is good, and the carrying is convenient. The specific structure and dimensions of the opto-electric hybrid data transmission cable of the present embodiment are shown in table 1.
Table 1 detailed structure and size of the photoelectric hybrid data transmission cable according to the first embodiment
| Serial number | Name (R) | Material structure | Size type | Function(s) |
| 1 | Outer cladding | TPU | 2.75+/-0.25mm | External quilt protection |
| 2 | First optical cable | TB450 | 0.45mm | Optical signal transmission |
| 3 | Second optical cable | TB450 | 0.45mm | Optical signal transmission |
| 4 | Third optical cable | TB450 | 0.45mm | Optical signal transmission |
| 5 | Fourth optical cable | TB450 | 0.45mm | Optical signal transmission |
| 6 | Power transmission cable | Tinned copper wire + pp insulation | Conductor 28AWG, insulation 0.7+/-0.25mm | 5V voltage |
| 7 | First signal transmission cable | Tinned copper wire + pp insulation | Conductor 7/0.08, insulation 0.45+/-0.15mm | Electric signal transmission |
| 8 | Second signal transmission cable | Tinned copper wire + pp insulation | Conductor 7/0.08, insulation 0.45+/-0.15mm | Electric signal transmission |
| 9 | Third signal transmission cable | Tinned copper wire + pp insulation | Conductor 7/0.08, insulation 0.45+/-0.15mm | |
| 10 | Fourth signal transmission cable | Tinned copper wire + pp insulation | Conductor 7/0.08, insulation 0.45+/-0.15mm | Electric signal transmission |
| 11 | Fifth signal transmission cable | Tinned copper wire + pp insulation | Conductor 7/0.08, insulation 0.45+/-0.15mm | Electric signal transmission |
| 12 | First grounding cable | Tinned copper wire | Conductor 19/0.08 | Ground connection |
| 13 | Second grounding cable | Tinned copper wire | Conductor 19/0.08 | Ground connection |
Example two
In this example, a TB450 optical fiber was used, the outer diameter of the optical fiber was 0.45mm, and the outer diameter of the outer cladding was 3.25. + -. 0.25 mm. The optical fiber is TB450 optical fiber, and has larger outer diameter and good reliability. The line diameter of the photoelectric hybrid data transmission cable is 3.25 +/-0.25mm, and the photoelectric hybrid data transmission cable is large in line diameter and easy to produce. The specific structure and dimensions of the opto-electric hybrid data transmission cable of the present embodiment are shown in table 2.
Table 2 concrete structure and size of the photoelectric hybrid data transmission cable of the second embodiment
| Serial number | Name (R) | Material structure | Size type | Function(s) |
| 1 | Outer cladding | TPU | 3.25+/-0.25 | External quilt protection |
| 2 | First optical cable | TB450 | 0.45mm | Optical signal transmission |
| 3 | Second optical cable | TB450 | 0.45mm | Optical signal transmission |
| 4 | Third optical cable | TB450 | 0.45mm | Optical signal transmission |
| 5 | Fourth optical cable | TB450 | 0.45mm | Optical signal transmission |
| 6 | Power transmission cable | Tinned copper wire + pp insulation | Conductor 28AWG, insulation 0.7+/-0.25mm | 5V voltage |
| 7 | First signal transmission cable | Tinned copper wire + pp insulation | Conductor 7/0.08, insulation 0.45+/-0.15mm | Electric signal transmission |
| 8 | Second signal transmission cable | Tinned copper wire + pp insulation | Conductor 7/0.08, insulation 0.45+/-0.15mm | Electric signal transmission |
| 9 | Third signal transmission cable | Tinned copper wire + pp insulation | Conductor 7/0.08, insulation 0.45+/-0.15mm | |
| 10 | Fourth signal transmission cable | Tinned copper wire + pp insulation | Conductor 7/0.08, insulation 0.45+/-0.15mm | Electric signal transmission |
| 11 | Fifth signal transmission cable | Tinned copper wire + pp insulation | Conductor 7/0.08, insulation 0.45+/-0.15mm | Electric signal transmission |
| 12 | First grounding cable | Tinned copper wire | Conductor 19/0.08 | Ground connection |
| 13 | Second grounding cable | Tinned copper wire | Conductor 19/0.08 | Ground connection |
EXAMPLE III
In this embodiment, a common colored optical fiber is used, the outer diameter of the optical fiber is 0.25mm, and the outer diameter of the outer cladding is 2.75 + -0.25 mm. The optical fiber is made of common colored optical fiber, and the cost is low. The specific structure and dimensions of the opto-electric hybrid data transmission cable of the present embodiment are shown in table 3.
Table 3 concrete structure and size of the photoelectric hybrid data transmission cable of the third embodiment
Example four
In this embodiment, a common colored optical fiber is used, the outer diameter of the optical fiber is 0.25mm, and the outer diameter of the outer cladding is 3.25 + -0.25 mm. The optical fiber is made of common colored optical fiber, and the cost is low. The diameter of the outer cladding layer is 3.25 +/-0.25mm, and the wire diameter is larger, so that the production is easy. The specific structure and dimensions of the opto-electric hybrid data transmission cable of the present embodiment are shown in table 4.
Table 4 concrete structure and size of the photoelectric hybrid data transmission cable of the fourth embodiment
| Serial number | Name (R) | Material structure | Size type | Function(s) |
| 1 | Outer cladding | TPU | 3.25+/-0.25 | External quilt protection |
| 2 | First optical cable | Colored optical fiber | 0.25mm | Optical signal transmission |
| 3 | Second optical cable | Colored optical fiber | 0.25mm | Optical signal transmission |
| 4 | Third optical cable | Colored optical fiber | 0.25mm | Optical signal transmission |
| 5 | Fourth optical cable | Colored optical fiber | 0.25mm | Optical signal transmission |
| 6 | Power transmission cable | Tinned copper wire + pp insulation | Conductor 28AWG, insulation 0.7+/-0.25mm | 5V voltage |
| 7 | First signal transmission cable | Tinned copper wire + pp insulation | Conductor 7/0.08, insulation 0.45+/-0.15mm | Electric signal transmission |
| 8 | Second signal transmission cable | Tinned copper wire + pp insulation | Conductor 7/0.08, insulation 0.45+/-0.15mm | Electric signal transmission |
| 9 | Third signal transmission cable | Tinned copper wire + pp insulation | Conductor 7/0.08, insulation 0.45+/-0.15mm | Electric signal transmission |
| 10 | Fourth signal transmission cable | Tinned copper wire + pp insulation | Conductor 7/0.08, insulation 0.45+/-0.15mm | Electric signal transmission |
| 11 | Fifth signal transmission cable | Tinned copper wire + pp insulation | Conductor 7/0.08, insulation 0.45+/-0.15mm | Electric signal transmission |
| 12 | First grounding cable | Tinned copper wire | Conductor 19/0.08 | Ground connection |
| 13 | Second grounding cable | Tinned copper wire | Conductor 19/0.08 | Ground connection |
According to the photoelectric hybrid data transmission cable provided by the invention, the PP insulating layers are not arranged outside the first grounding cable and the second grounding cable, when the photoelectric hybrid data transmission cable is used in a USBType-C data line, the two grounding cables are respectively twisted together at two ends, and the same interface is adopted. The invention adopts the 4-optical 7-copper composite cable, the cable has good manufacturability (wire stripping, fiber penetrating and post-process yield) and reliability (bending and pulling), the wire stripping adopts the cold stripping process, the fiber penetrating damage rate is low, and the post-process yield is obviously improved. The reliability of the wire rod is greatly optimized, and the fiber breakage rate is greatly reduced.
As shown in fig. 2, the present invention further provides a photoelectric composite USBType-C data line. This Type-C data line includes foretell mixed data transmission cable 700 of photoelectricity, and the public head 500 and female head 600 of this Type-C data line all are the connector that has Type-C connector plug 200, and Type-C connector plug connects the optoelectronic module, connects through mixed cable 700 of photoelectricity between the optoelectronic module of public head 500 and female head 600. According to the USBType-C data line provided by the invention, two grounding cables are respectively twisted together at two ends and adopt the same interface.
The Type-C data line can be used for data transmission among thinner, slimmer and more portable devices, supports DP1.4, USB3.1 and 5Gbps in both directions, and supports USB1.1, USB2.0 and 480 Mbps. The transmitted image signal has no compression and no distortion in image quality. The photoelectric hybrid cable is anti-interference, non-radiative and highly resistant to EMI. The standard USBTypeC interface, 850nmVCSEL and PIN photoelectric detector are adopted, plug and play are realized, and hot plug is supported. The wire rod diameter is less than 4mm, uses lightly, need not external power supply, supports 1.5A heavy current transmission, supports other customizations. The length is 0.2-3 m, and other distance customization is supported.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (12)
1. An optical-electrical hybrid data transmission cable, characterized in that: the photoelectric hybrid data transmission cable comprises an outer cladding layer, an optical cable, a power transmission cable, a signal transmission cable and a grounding cable, wherein the optical cable, the power transmission cable, the signal transmission cable and the grounding cable are stranded and coated in the outer cladding layer.
2. The opto-electric hybrid data transmission cable of claim 1, wherein no filler material is present between the optical cable, the power transmission cable, the signal transmission cable and the ground cable.
3. The optoelectronic hybrid data transmission cable of claim 2, wherein the optical cable, the power transmission cable, the signal transmission cable and the ground cable have the largest outer diameter of the power transmission cable and the smallest outer diameter of the optical cable.
4. The opto-electric hybrid data transmission cable of claim 1 wherein the power transmission cable is disposed adjacent to an outer jacket, the optical cable being disposed in a gap between the signal transmission cable and a ground cable.
5. The opto-electric hybrid data transmission cable of any one of claims 1-4, wherein the number of optical cables is 4, each optical cable having an outer diameter of 0.25-0.45 mm.
6. The optoelectronic hybrid data transmission cable according to any one of claims 1 to 4, wherein the number of the signal transmission cables is 5, each signal transmission cable comprising a copper wire and a non-conductive layer disposed around the copper wire, the non-conductive layer being a PP insulation layer; the signal transmission cable is used for transmitting electric signals, the type of the copper wire is a 7/0.08 tinned copper wire, and the outer diameter of an insulating layer of the signal transmission cable is 0.45+/-0.15 mm.
7. The optical-electrical hybrid data transmission cable according to any one of claims 1 to 4, wherein the power transmission cable comprises 1 cable, is made of tinned copper wires and is wrapped by a PP (polypropylene) insulating layer, the copper wire type of the power transmission cable is 28AWG, and the outer diameter of the PP insulating layer of the power transmission cable is 0.7+/-0.25 mm.
8. The optoelectronic hybrid data transmission cable of any one of claims 1 to 4, wherein there are two ground cables, each of the ground cables being a 19/0.08 gauge tin-plated copper wire.
9. The optoelectronic hybrid data transmission cable of any one of claims 1 to 4, wherein the outer covering is an insulating protective layer, the outer covering is TPU, and the outer diameter of the outer covering is 2.5 mm to 3.5 mm.
10. The utility model provides a Type-C data line which characterized in that: the Type-C data line includes the optical electrical hybrid data transmission cable according to any one of claims 1 to 9.
11. The Type-C data line of claim 10, wherein the Type-C data line further comprises a male header and a female header, the male header and the female header each having a Type-C connector plug.
12. The Type-C data line of claim 11, wherein the male and female heads of the Type-C data line each have an optoelectronic module assembly, and the opto-electric hybrid data transmission cable is connected with the optoelectronic module assemblies of the male and female heads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010720031.XA CN111696719A (en) | 2020-07-23 | 2020-07-23 | Photoelectric hybrid data transmission cable and Type-C data line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010720031.XA CN111696719A (en) | 2020-07-23 | 2020-07-23 | Photoelectric hybrid data transmission cable and Type-C data line |
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| Publication Number | Publication Date |
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| CN111696719A true CN111696719A (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010720031.XA Pending CN111696719A (en) | 2020-07-23 | 2020-07-23 | Photoelectric hybrid data transmission cable and Type-C data line |
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