CN105891975A - Active optical cable connector with switchable interface, application method of active optical cable connector and manufacture method of optical cable - Google Patents
Active optical cable connector with switchable interface, application method of active optical cable connector and manufacture method of optical cable Download PDFInfo
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- CN105891975A CN105891975A CN201610379885.XA CN201610379885A CN105891975A CN 105891975 A CN105891975 A CN 105891975A CN 201610379885 A CN201610379885 A CN 201610379885A CN 105891975 A CN105891975 A CN 105891975A
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- optical cable
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- connector
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- 230000003287 optical effect Effects 0.000 title claims abstract description 153
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 105
- 239000013307 optical fiber Substances 0.000 claims abstract description 48
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 230000008054 signal transmission Effects 0.000 claims abstract description 12
- 230000005693 optoelectronics Effects 0.000 claims description 23
- 239000000835 fiber Substances 0.000 claims description 19
- 239000011521 glass Substances 0.000 claims description 12
- 238000005253 cladding Methods 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 238000005491 wire drawing Methods 0.000 claims description 6
- 238000009825 accumulation Methods 0.000 claims description 3
- 210000000988 bone and bone Anatomy 0.000 claims description 3
- 239000006071 cream Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 230000002441 reversible effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 3
- 230000006854 communication Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005622 photoelectricity Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4274—Electrical aspects
- G02B6/4278—Electrical aspects related to pluggable or demountable opto-electronic or electronic elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03688—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 5 or more layers
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
- G02B6/4486—Protective covering
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses an active optical cable connector with a switchable interface, and an application method of the active optical cable connector. The active optical cable connector can realize the facts that USB signals or HDMI signals are converted into optical signals, and single transmission is performed through an optical fiber; a first photoelectric conversion module (18) is fixedly arranged at one end of an optical cable body (1); the first photoelectric conversion module (18) is connected with a USB interface module (12) or an HDMI interface module (13) in a pluggable way through a first connector (14) and a second connector (15) which are matched with each other, so as to form a switchable optical cable end interface (16). The active optical cable connector abandons the traditional cable signal transmission mode, and has higher transmission quality and transmission speed. The invention further provides a manufacture method of an optical cable, and ensures that the optical cable adopted by the active optical cable connector has a higher bending characteristic and practicability, and is convenient to use, store and curl.
Description
Technical field
The present invention relates to technical field of optical fiber, the active optical cable adapter of a kind of changeable interface and
Using method and the manufacture method of optical cable.
Background technology
Big data age, high density, bandwidth applications are more and more, the most passive optical cable or based on copper cash
Cable system just seems awkward.For ensureing stability and the application flexibly of transmission, user compels to be essential
Ask a kind of novel product to be used as the prevailing transmission medium of high-performance calculation and data center, this situation it
Lower active optical cable product arises at the historic moment.
Active optical cable refers to need by extra power in communication process, converts the electrical signal to optical signal, or
Converting optical signals into the communications cable of the signal of telecommunication, the optical transceiver at optical cable two ends provides opto-electronic conversion and light
Transfer function.
Compared to conventional wire cable, active optical cable has that transfer rate height, transmission range length, energy consumption are low, uses
The plurality of advantages such as convenient, it is possible to help communication equipment to enjoy the huge advantage of optical transport, be data center,
The preferable transmission cable in the fields such as consumer electronics.Irreversible along with " light entering and copper back " trend, future will be
In the epoch of " all-optical network ", active optical cable technology interconnects at a high speed the every nook and cranny in market by penetrating into.
But, there is following multiple deficiency in current existing active optical cable, 1. connects due to the most conventional data
Mouth has USB interface and HDMI, current most of active optical cables to be designed only for USB interface,
And its two ends are fixed interfaces, user, changing the data-interface of different size when, needs to use difference
Active optical cable, such as 4-PIN USB interface, 5-PIN USB interface, 8-PIN USB interface, 10-PIN
Conversion between the various different USB interface such as USB interface, 8-PIN-2*4USB interface, Micro USB interface
Problem, the even transfer problem between USB interface and HDMI.2. active optical cable uses environment because of it,
Requiring higher to the bending resistance of its optical cable, user, can be often to active optical cable when using active optical cable
Be crimped, the operation such as bending, if the crooking ability of optical cable is low, the most easily occur that optical signal loss is big, optical fiber
The problems such as damage.
Summary of the invention
The goal of the invention of the present invention is: for the problem existing for above-mentioned prior art, it is provided that one can be cut
The active optical cable adapter of alias, and the using method of this active optical cable adapter, can realize believing USB
Number or HDMI signal be converted to optical signal, carry out signal transmission by optical fiber, abandoned traditional cable and passed
The mode of defeated signal, has higher transmission quality and transfer rate；The invention allows for a kind of optical cable
Manufacture method so that the optical cable that this active optical cable adapter is used is a kind of to have higher flexural property
Optical cable, more for practicality, it is simple to uses, receive and crimps.
The technical solution used in the present invention is as follows: the active optical cable adapter of a kind of changeable interface, described in have
Source optical connector includes: optical cable body, usb interface module and HDMI module.
First end of described optical cable body is fixedly installed the first photoelectric conversion module, and its second end is fixedly installed
The second photoelectric conversion module, the end of described first photoelectric conversion module is had to be provided with the first connector.
First end of described usb interface module is USB interface, and its second end is for match with the first connector
The second connector.
First end of described HDMI module is HDMI, and its second end is and the first connector phase
The second connector joined.
Described first photoelectric conversion module is connect with USB by the first connector and the second connector being mutually matched
Mouth die block or the pluggable connection of HDMI module, form changeable cable end interface.
Based on above-described embodiment, further, the two ends of active optical cable adapter proposed by the invention can be in
Following two structure:
One, the first end of described second photoelectric conversion module is fixing with optical cable body to be connected, and its second end is solid
Surely it is provided with USB interface or HDMI, forms integrated optical cable end interface.I.e. active optical cable adapter
One end integrated cable end interface, one end is changeable cable end interface, the second photoelectric conversion module
Structure differs with the structure of the first photoelectric conversion module, and the second photoelectric conversion module does not possess described first
Connector.
Its two, the structure of described second photoelectric conversion module is identical with the structure of the first photoelectric conversion module, institute
State the second photoelectric conversion module by the first connector being mutually matched and the second connector and usb interface module
Or the pluggable connection of HDMI module, form changeable cable end interface.I.e. active optical cable adapter
Two ends are changeable cable end interface.
Based on any of the above-described embodiment, further, described first photoelectric conversion module include transmitter module and
Receiver module, described optical cable body includes the first optical fiber and the second optical fiber, wherein, the first optical fiber and transmitting
Module connects, and transmitter module receives the optical signal that the first optical fiber transmits, and completes opto-electronic conversion, exports telecommunications
Number；Second optical fiber is connected with receiver module, and receiver module receives USB interface or the electricity of HDMI transmission
Signal, and complete electro-optic conversion, output optical signals to the second optical fiber.
Based on any of the above-described embodiment, further, described USB interface includes reversible Male head connector,
Hold blindmate.
Based on any of the above-described embodiment, further, described optical cable body include oversheath, the first optical fiber and
Second optical fiber, the structure of described first optical fiber and the second optical fiber is identical, and its structure is wraps the most successively
Include: fibre core, the first covering, the second covering, triple clad, the 4th covering and the 5th covering.
Described first covering be outer wall be polygonal full silica glass covering admittedly.
Described triple clad is provided with the annular air covering of the first airport of multiple equidistant distribution in being.
Described second covering is the air cladding layer being formed between the first covering and triple clad, described first bag
Each angle of layer is all fixing with the inwall of triple clad to be connected.
Described 4th covering is provided with the annular air bag of at least one pair of symmetrical Double helix support column in being
Layer.
Based on above-described embodiment, further, the middle part of the cross section of described support column is provided with the recess of symmetry.
The invention allows for the using method of a kind of above-mentioned active optical cable adapter, described using method is at least
Including the one in USB interface pattern, HDMI pattern and translative mode.
In a usb-interface mode: the first end of described optical cable body is USB interface, its second end is by the
First connector of one photoelectric conversion module docks with the second connector of described usb interface module；Work as USB
When interface is to usb signal, usb signal is converted to the signal of telecommunication, is carried out by the second photoelectric conversion module
Electro-optic conversion, converts electrical signals to optical signal, and passes through optical cable body by optical signal transmission to the first photoelectricity
Modular converter carries out opto-electronic conversion, converts optical signals to the signal of telecommunication, then is connected by the first connector and second
The signal of telecommunication after opto-electronic conversion is transmitted to usb interface module by the electrical interface between fitting, is changed by the signal of telecommunication
For usb signal, and export.
Under HDMI pattern: the first end of described optical cable body is HDMI, its second end passes through
First connector of the first photoelectric conversion module docks with the second connector of described HDMI module；When
When HDMI receives HDMI signal, HDMI signal is converted to the signal of telecommunication, by the second opto-electronic conversion mould
Block carries out electro-optic conversion, converts electrical signals to optical signal, and by optical cable body by optical signal transmission to the
One photoelectric conversion module carries out opto-electronic conversion, converts optical signals to the signal of telecommunication, then by the first connector and
The signal of telecommunication after opto-electronic conversion is transmitted to HDMI module by the electrical interface between the second connector, by electricity
Signal is converted to HDMI signal, and exports.
In conversion mode: the first end of described optical cable body is USB interface/HDMI, its second end
By the of the first connector of the first photoelectric conversion module and described HDMI module/usb interface module
Two connector docking；When USB interface/HDMI receives usb signal/HDMI signal, by USB
Signal/HDMI signal is converted to the signal of telecommunication, carries out electro-optic conversion by the second photoelectric conversion module, by telecommunications
Number be converted to optical signal, and by optical cable body, optical signal transmission carried out photoelectricity to the first photoelectric conversion module
Conversion, converts optical signals to the signal of telecommunication, then by the electrical interface between the first connector and the second connector
The signal of telecommunication after opto-electronic conversion is transmitted to HDMI module/usb interface module, converts electrical signals to
HDMI signal/usb signal, and export, complete the mutual conversion between USB and HDMI.In this mode,
One end of active optical cable adapter of the present invention is USB interface, and its other end is HDMI, it is achieved USB
Conversion between interface and HDMI.
The invention allows for the manufacture method of a kind of above-mentioned optical cable body, described manufacture method includes following many
Individual step:
S1, is processed into polygonal silica glass rod by described fibre core and described first covering；
S2, is inserted in S1 gained Glass rod in the first thin wall casing, and each angle of this Glass rod is thin with first
The inwall of wall sleeve pipe contacts, and forms the second covering between the first thin wall casing and Glass rod；
S3, uses pipe rod accumulation mode that multiple very thin circumferences of cannon bone for forming the first airport are wound on first thin
Around wall sleeve pipe, then it is inserted in the second thin wall casing, shape between the first thin wall casing and the second thin wall casing
Become triple clad；
S4, wraps up at least one pair of symmetrical Double helix support column on the outer wall of the second thin wall casing, and
The 3rd thin wall casing on set outside support column, the both sides of this support column are thin with the second thin wall casing and the 3rd respectively
Wall sleeve pipe contacts, and forms the 4th covering between the second thin wall casing and the 3rd thin wall casing；
S5, the Glass rod prepared by S4 is inserted in the 5th covering, forms prefabricated rods；
S6, carries out wire drawing process by wire-drawer-tower to prefabricated rods, and controls the pressure in each covering at 5-25Pa,
To control the second covering, triple clad and the shape of the 4th covering；
S7, the optical fiber after two wire drawings being processed is inserted in plastic sheath, and fills fine cream, obtains optical cable originally
Body.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows: the present invention proposes
The active optical cable adapter of a kind of changeable interface, and the using method of this active optical cable adapter, can be real
Now usb signal or HDMI signal are converted to optical signal, carry out signal transmission by optical fiber, abandon biography
The mode of the cable transmission signal of system, has higher transmission quality and transfer rate；The invention allows for
The manufacture method of a kind of optical cable so that it is higher that the optical cable that this active optical cable adapter is used is that one has
The optical cable of flexural property, more for practicality, it is simple to uses, receive and crimps.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is the structural representation of active optical cable adapter in the present invention；
Fig. 2 is a kind of embodiment schematic diagram of active optical cable adapter in the present invention；
Fig. 3 is another embodiment schematic diagram of active optical cable adapter in the present invention；
Fig. 4 is the structural representation of the first optical fiber/the second optical fiber in the present invention；
Fig. 5 is radius and the schematic diagram of relative index of refraction of each covering of optical fiber of the present invention.
In figure, 1-fibre core, 2-the first covering, 3-the second covering, 4-triple clad, 5-the 4th covering, 6-
5th covering, 7-the first airport, 8-support column, 10-recess, 11-optical cable body, 12-USB interface
Module, 13-HDMI interface module, 14-the first connector, 15-the second connector, the changeable cable end of 16-
Interface, 17-integrated optical cable end interface, 18-the first photoelectric conversion module, 19-the second photoelectric conversion module.
Detailed description of the invention
All features disclosed in this specification, or disclosed all methods or during step, except mutually
Beyond the feature repelled mutually and/or step, all can combine by any way.
Any feature disclosed in this specification (including any accessory claim, summary), unless especially
Narration, all can be by other equivalences or have the alternative features of similar purpose and replaced.That is, unless chatted especially
Stating, each feature is an example in a series of equivalence or similar characteristics.
(1) active optical cable adapter
As it is shown in figure 1, Fig. 1 describes the active optical cable adapter of a kind of changeable interface, described active light
Cable connector includes: optical cable body 11, usb interface module 12 and HDMI module 13.
First end of described optical cable body 11 is fixedly installed the first photoelectric conversion module 18, and its second end is solid
Surely being provided with the second photoelectric conversion module 19, the end of described first photoelectric conversion module 18 is provided with first even
Fitting 14.
First end of described usb interface module 12 is USB interface, and its second end is and the first connector 14
The second connector 15 matched.
First end of described HDMI module 13 is HDMI, and its second end is and the first connector
14 the second connectors 15 matched.
Described first photoelectric conversion module 18 is by the first connector 14 and the second connector 15 being mutually matched
With usb interface module 12 or HDMI module 13 is pluggable is connected, form changeable cable end interface
16。
Based on above-described embodiment, further, the two ends of active optical cable adapter proposed by the invention can be in
Following two structure:
One, as in figure 2 it is shown, the first end of described second photoelectric conversion module 19 is solid with optical cable body 11
Fixed connection, its second end is fixedly installed USB interface or HDMI, forms integrated optical cable end interface
17.The i.e. integrated cable end in one end of active optical cable adapter interface, one end is changeable cable end interface,
The structure of the second photoelectric conversion module 19 differs with the structure of the first photoelectric conversion module 18, the second photoelectricity
Modular converter 19 does not possess the first described connector.
Its two, as it is shown on figure 3, the structure of described second photoelectric conversion module 19 and the first opto-electronic conversion mould
The structure of block 18 is identical, and described second photoelectric conversion module 19 is by the first connector 14 being mutually matched
With the second connector 15 and usb interface module 12 or HDMI module 13 is pluggable is connected, composition can
Switching cable end interface 16.The i.e. two ends of active optical cable adapter are changeable cable end interface.
Based on any of the above-described embodiment, further, described first photoelectric conversion module 18 includes launching mould
Block and receiver module, described optical cable body 11 includes the first optical fiber and the second optical fiber, wherein, the first light
Fibre is connected with transmitter module, and transmitter module receives the optical signal that the first optical fiber transmits, and completes opto-electronic conversion,
The output signal of telecommunication；Second optical fiber is connected with receiver module, and receiver module receives USB interface or HDMI
The signal of telecommunication of transmission, and complete electro-optic conversion, output optical signals to the second optical fiber.
Based on any of the above-described embodiment, further, described USB interface includes reversible Male head connector,
Hold blindmate.
(2) using method of active optical cable adapter
The invention allows for the using method of a kind of above-mentioned active optical cable adapter, described using method is at least
Including the one in USB interface pattern, HDMI pattern and translative mode.
In a usb-interface mode: the first end of described optical cable body 11 is USB interface, its second end leads to
The first connector 14 crossing the first photoelectric conversion module 18 is connected with the second of described usb interface module 12
Part 15 docks；When USB interface receives usb signal, usb signal is converted to the signal of telecommunication, by
Two photoelectric conversion modules 19 carry out electro-optic conversion, convert electrical signals to optical signal, and by optical cable body
Optical signal transmission is carried out opto-electronic conversion to the first photoelectric conversion module 18 by 11, converts optical signals to telecommunications
Number, then by the electrical interface between the first connector 14 and the second connector 15 by the telecommunications after opto-electronic conversion
Number transmission to usb interface module 12, convert electrical signals to usb signal, and export.
Under HDMI pattern: the first end of described optical cable body 11 is HDMI, its second end
Connected with the second of described HDMI module 13 by the first connector 14 of the first photoelectric conversion module 18
Fitting 15 docks；When HDMI receives HDMI signal, HDMI signal is converted to the signal of telecommunication, logical
Cross the second photoelectric conversion module 19 and carry out electro-optic conversion, convert electrical signals to optical signal, and pass through optical cable
Optical signal transmission is carried out opto-electronic conversion to the first photoelectric conversion module 18 by body 11, converts optical signals to
The signal of telecommunication, then by the electrical interface between the first connector 14 and the second connector 15 by after opto-electronic conversion
The signal of telecommunication transmits to HDMI module 13, converts electrical signals to HDMI signal, and exports.
In conversion mode: the first end of described optical cable body 11 is USB interface/HDMI, and it is second years old
End is connect with described HDMI module 13/USB by the first connector 14 of the first photoelectric conversion module 18
Second connector 15 of mouth die block 12 docks；When USB interface/HDMI receives usb signal/HDMI
During signal, usb signal/HDMI signal is converted to the signal of telecommunication, is carried out by the second photoelectric conversion module 19
Electro-optic conversion, converts electrical signals to optical signal, and by optical cable body 11 by optical signal transmission to first
Photoelectric conversion module 18 carries out opto-electronic conversion, converts optical signals to the signal of telecommunication, then by the first connector
The signal of telecommunication after opto-electronic conversion is transmitted to HDMI module by 14 and second electrical interfaces between connector 15
13/USB interface module 12, converts electrical signals to HDMI signal/usb signal, and exports, complete USB
And the mutual conversion between HDMI.
In this mode, one end of active optical cable adapter of the present invention is USB interface, and its other end is HDMI
Interface, it is achieved the conversion between USB interface and HDMI.
(3) manufacture method of optical cable body
In the present invention, described optical cable body 11 can include oversheath, the first optical fiber and the second optical fiber, described
The structure of the first optical fiber and the second optical fiber is identical, and as shown in Figure 4, its structure is and includes the most successively:
Fibre core the 1, first covering the 2, second covering 3, triple clad the 4, the 4th covering 5 and the 5th covering 6.
Wherein:
The silica glass fibre core of described fibre core 1 generally ion doping.
Described first covering 2 be outer wall be polygonal full silica glass covering admittedly.
Described triple clad 4 is provided with the annular air bag of the first airport 7 of multiple equidistant distribution in being
Layer.
Described second covering 3 is the air cladding layer being formed between the first covering 2 and triple clad 4, described
Each angle of the first covering 2 is all fixing with the inwall of triple clad 4 to be connected.
Described 4th covering 5 is provided with the annular air of at least one pair of symmetrical Double helix support column 8 in being
Covering.
Described 5th covering 6 for consolidate the structure of the 4th covering 5, the 4th covering 5 and the 5th covering 6 it
Between connect by Double helix support column 8 is fixing.
Based on above-described embodiment, further, the middle part of the cross section of described support column 8 is provided with the recessed of symmetry
Portion 10.The shape of this recess can be triangular in shape, it is possible to the triangle in concave edge, at the machinery ensureing optical fiber
On the basis of intensity, further enhance the distortional ability of optical fiber.
The first optical fiber that the present invention proposes and the second optical fiber, at least include first to the 5th 5 covering, wherein,
First covering may be designed as the polygon covering that outer wall is concave edge shape, and the second covering is the first covering and three guarantees
The multizone air cladding layer formed between Ceng, triple clad is the air cladding layer with multiple airport, the 4th
Covering is the air cladding layer with double-helix support column, and the 5th covering can design multilamellar attached bag layer, wherein interior
Attached bag layer may be designed to hexagonal air cladding layer, and my husband's covering is the bag that refractive index contrast increases successively
Layer.
The manufacture method of above-mentioned optical cable body, including following multiple steps:
S1, is processed into polygonal silica glass rod by described fibre core 1 and described first covering 2；
S2, is inserted in S1 gained Glass rod in the first thin wall casing, and each angle of this Glass rod is thin with first
The inwall of wall sleeve pipe contacts, and forms the second covering 3 between the first thin wall casing and Glass rod；
S3, uses pipe rod accumulation mode that multiple very thin circumferences of cannon bone for forming the first airport 7 are wound on first
Around thin wall casing, then it is inserted in the second thin wall casing, between the first thin wall casing and the second thin wall casing
Form triple clad 4；
S4, wraps up at least one pair of symmetrical Double helix support column 8 on the outer wall of the second thin wall casing,
And on the outer set of support column 8 the 3rd thin wall casing, the both sides of this support column 8 respectively with the second thin wall casing and
3rd thin wall casing contacts, and forms the 4th covering 5 between the second thin wall casing and the 3rd thin wall casing；
S5, the Glass rod prepared by S4 is inserted in the 5th covering 6, forms prefabricated rods；
S6, carries out wire drawing process by wire-drawer-tower to prefabricated rods, and controls the pressure in each covering at 5-25Pa,
To control the second covering 3, triple clad 4 and the shape of the 4th covering 5；
S7, the optical fiber after two wire drawings being processed is inserted in plastic sheath, and fills fine cream, obtains optical cable originally
Body 11.
Wherein, the diameter of the first airport 7 can be 0.8 micron to 2.5 microns, be preferably 0.8 micron,
1.0 microns, 1.2 microns, 1.6 microns, the spacing of the first airport 7 is 0.4 micron to 2.5 microns,
The dutycycle of the first airport 7 is arranged on 30% to 60%.
The computing formula of dutycycle is:
In formula, η is dutycycle, S1It is the cross-sectional area of the first airport, N1It is the number of the first airport,
R32It is the external diameter of triple clad, R31It it is the internal diameter of triple clad.
Further, described fibre core the 1, first covering the 2, second covering 3, triple clad 4 and the 4th covering
5 reduce successively relative to the refractive index contrast of fibre core 1, and the refractive index contrast of described 5th covering 6 is high
In fibre core 1.
The computing formula of refractive index contrast is:
In formula, Δ n is refractive index contrast, ncFor the refractive index of fibre core, nxBe the first covering, the second covering,
The refractive index of any one covering in triple clad, the 5th covering, x ∈ [1,5].
Wherein, the attached bag layer that the 5th covering 6 can be increased successively by refractive index contrast forms, its each attached bag
The thickness of layer may be configured as same size.
The present invention can be by improving the relative index of refraction of covering, and it is curved that reduction cladding radius obtains more preferable optical fiber
Qu Xingneng, its radius and relative index of refraction are configured also dependent on specifically used environment, and the present invention first has to
Protect is structure and the structure of this optical fiber.
It addition, the first airport 7 can be circular port, it is also possible to be tri-angle-holed, tri-angle-holed when selecting
Time, this tri-angle-holed drift angle is directed to fibre core 1, makes optical fiber form total reflection.
Further, the outer wall of described first covering 2 is concave edge hexagon or concave edge octagon, effective gram
Take the problem that coupling efficiency is low, reduce contact point, reduce loss.
As it is shown in figure 5, the radius that Fig. 5 is each covering in optical fiber of the present invention and the signal of relative index of refraction relation
Figure, in the present invention, fibre core the 1, first covering the 2, second covering 3, triple clad 4 and the 4th covering 5
Reducing successively relative to the refractive index contrast of fibre core 1, the refractive index contrast of the 5th covering 6 is higher than fibre core
1, wherein, the inside and outside wall spacing of the first covering 2 is more than the inside and outside wall spacing of the 4th covering 5, the second covering 3
Inside and outside wall be smaller than the inside and outside wall spacing of the 4th covering 5, the inside and outside wall spacing of triple clad 4 more than or
Equal to the inside and outside wall spacing of the 4th covering 5, the inside and outside wall spacing of the 5th covering 6 is interior more than the 4th covering 5
Outer wall spacing, the inside and outside wall spacing of the 4th covering 5 is more than the spacing of fibre core 1.
It addition, the 5th covering 6 may be configured as the attached bag layer that multiple refractive index contrast increases successively, every height
The inside and outside wall spacing of covering is all higher than the radius of fibre core 1.
The invention is not limited in aforesaid detailed description of the invention.The present invention expand to any in this manual
Disclose new feature or any new combination, and disclose arbitrary new method or the step of process or any
New combination.
Claims (9)
1. the active optical cable adapter of a changeable interface, it is characterised in that including: optical cable body (11), usb interface module (12) and HDMI module (13)；
First end of described optical cable body (11) is fixedly installed the first photoelectric conversion module (18), and its second end is fixedly installed the second photoelectric conversion module (19), and the end of described first photoelectric conversion module (18) is provided with the first connector (14)；
First end of described usb interface module (12) is USB interface, and its second end is the second connector (15) matched with the first connector (14)；
First end of described HDMI module (13) is HDMI, and its second end is the second connector (15) matched with the first connector (14)；
Described first photoelectric conversion module (18) is by the first connector (14) of being mutually matched and the second connector (15) and usb interface module (12) or HDMI module (13) is pluggable is connected, and forms changeable cable end interface (16).
The active optical cable adapter of a kind of changeable interface the most according to claim 1, it is characterized in that: the first end of described second photoelectric conversion module (19) is fixing with optical cable body (11) to be connected, its second end is fixedly installed USB interface or HDMI, composition integrated optical cable end interface (17).
The active optical cable adapter of a kind of changeable interface the most according to claim 1, it is characterized in that: the structure of described second photoelectric conversion module (19) is identical with the structure of the first photoelectric conversion module (18), described second photoelectric conversion module (19) is by the first connector (14) of being mutually matched and the second connector (15) and usb interface module (12) or HDMI module (13) is pluggable is connected, and forms changeable cable end interface (16).
4. according to the active optical cable adapter of a kind of changeable interface described in any one of claim 1-3, it is characterized in that: described first photoelectric conversion module (18) includes transmitter module and receiver module, described optical cable body (11) includes the first optical fiber and the second optical fiber, wherein, first optical fiber is connected with transmitter module, transmitter module receives the optical signal that the first optical fiber transmits, and completes opto-electronic conversion, exports the signal of telecommunication；Second optical fiber is connected with receiver module, and receiver module receives USB interface or the signal of telecommunication of HDMI transmission, and completes electro-optic conversion, outputs optical signals to the second optical fiber.
The active optical cable adapter of a kind of changeable interface the most according to claim 1, it is characterised in that: described USB interface includes reversible Male head connector.
The active optical cable adapter of a kind of changeable interface the most according to claim 1, it is characterized in that: described optical cable body (11) includes oversheath, the first optical fiber and the second optical fiber, the structure of described first optical fiber and the second optical fiber is identical, and its structure is and includes the most successively: fibre core (1), the first covering (2), the second covering (3), triple clad (4), the 4th covering (5) and the 5th covering (6)；
Described first covering (2) be outer wall be polygonal full silica glass covering admittedly；
Described triple clad (4) is provided with the annular air covering of first airport (7) of multiple equidistant distribution in being；
Described second covering (3) is for be formed at the air cladding layer between the first covering (2) and triple clad (4), and each angle of described first covering (2) is all fixing with the inwall of triple clad (4) to be connected；
Described 4th covering (5) is provided with the annular air covering of at least one pair of symmetrical Double helix support column (8) in being.
The active optical cable adapter of a kind of changeable interface the most according to claim 6, it is characterised in that: the middle part of the cross section of described support column (8) is provided with the recess (10) of symmetry.
8. one kind based on the using method of active optical cable adapter described in any one of claim 1-7, it is characterised in that at least include the one in USB interface pattern, HDMI pattern and translative mode；
In a usb-interface mode: the first end of described optical cable body (11) is USB interface, its second end is docked with second connector (15) of described usb interface module (12) by first connector (14) of the first photoelectric conversion module (18)；When USB interface receives usb signal, usb signal is converted to the signal of telecommunication, electro-optic conversion is carried out by the second photoelectric conversion module (19), convert electrical signals to optical signal, and by optical cable body (11), optical signal transmission is carried out opto-electronic conversion to the first photoelectric conversion module (18), convert optical signals to the signal of telecommunication, by the electrical interface between the first connector (14) and the second connector (15), the signal of telecommunication after opto-electronic conversion is transmitted to usb interface module (12) again, convert electrical signals to usb signal, and export；
Under HDMI pattern: the first end of described optical cable body (11) is HDMI, its second end is docked with second connector (15) of described HDMI module (13) by first connector (14) of the first photoelectric conversion module (18)；When HDMI receives HDMI signal, HDMI signal is converted to the signal of telecommunication, electro-optic conversion is carried out by the second photoelectric conversion module (19), convert electrical signals to optical signal, and by optical cable body (11), optical signal transmission is carried out opto-electronic conversion to the first photoelectric conversion module (18), convert optical signals to the signal of telecommunication, by the electrical interface between the first connector (14) and the second connector (15), the signal of telecommunication after opto-electronic conversion is transmitted to HDMI module (13) again, convert electrical signals to HDMI signal, and export；
In conversion mode: the first end of described optical cable body (11) is USB interface/HDMI, its second end is docked with second connector (15) of described HDMI module (13)/usb interface module (12) by first connector (14) of the first photoelectric conversion module (18)；When USB interface/HDMI receives usb signal/HDMI signal, usb signal/HDMI signal is converted to the signal of telecommunication, electro-optic conversion is carried out by the second photoelectric conversion module (19), convert electrical signals to optical signal, and by optical cable body (11), optical signal transmission is carried out opto-electronic conversion to the first photoelectric conversion module (18), convert optical signals to the signal of telecommunication, by the electrical interface between the first connector (14) and the second connector (15), the signal of telecommunication after opto-electronic conversion is transmitted to HDMI module (13)/usb interface module (12) again, convert electrical signals to HDMI signal/usb signal, and export, complete the mutual conversion between USB and HDMI.
9. the manufacture method of an optical cable body as claimed in claim 6, it is characterised in that described manufacture method includes following multiple step:
S1, is processed into polygonal silica glass rod by described fibre core (1) and described first covering (2)；
S2, is inserted in S1 gained Glass rod in the first thin wall casing, and each angle of this Glass rod contacts with the inwall of the first thin wall casing, forms the second covering (3) between the first thin wall casing and Glass rod；
S3, uses pipe rod accumulation mode to be wound on around the first thin wall casing by multiple very thin circumferences of cannon bone for forming the first airport (7), then is inserted in the second thin wall casing, form triple clad (4) between the first thin wall casing and the second thin wall casing；
S4, the outer wall of the second thin wall casing wraps up at least one pair of symmetrical Double helix support column (8), and put the 3rd thin wall casing outside support column (8), the both sides of this support column (8) contact with the second thin wall casing and the 3rd thin wall casing respectively, and form the 4th covering (5) between the second thin wall casing and the 3rd thin wall casing；
S5, the Glass rod prepared by S4 is inserted in the 5th covering (6), forms prefabricated rods；
S6, carries out wire drawing process by wire-drawer-tower to prefabricated rods, and controls the pressure in each covering at 5-25Pa, to control the second covering (3), triple clad (4) and the shape of the 4th covering (5)；
S7, the optical fiber after two wire drawings being processed is inserted in plastic sheath, and fills fine cream, obtains optical cable body (11).
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| CN201610379885.XA CN105891975B (en) | 2016-05-31 | 2016-05-31 | A kind of active optical cable connector of changeable interface and its manufacturing method of application method and optical cable |
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| CN201610379885.XA CN105891975B (en) | 2016-05-31 | 2016-05-31 | A kind of active optical cable connector of changeable interface and its manufacturing method of application method and optical cable |
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