CN107300742A - Fibre concentrator - Google Patents
Fibre concentrator Download PDFInfo
- Publication number
- CN107300742A CN107300742A CN201710733358.9A CN201710733358A CN107300742A CN 107300742 A CN107300742 A CN 107300742A CN 201710733358 A CN201710733358 A CN 201710733358A CN 107300742 A CN107300742 A CN 107300742A
- Authority
- CN
- China
- Prior art keywords
- voltage
- optical
- optical fiber
- light receiving
- receiving unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
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
- G02B6/4296—Coupling light guides with opto-electronic elements coupling with sources of high radiant energy, e.g. high power lasers, high temperature light sources
-
- 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
- G02B6/4287—Optical modules with tapping or launching means through the surface of the waveguide
-
- 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
- G02B6/43—Arrangements comprising a plurality of opto-electronic elements and associated optical interconnections
Abstract
The invention discloses a kind of fibre concentrator, including housing, housing is provided with optical fiber female joint and the sub- joint of multiple optical fiber, light receiving unit is provided with housing, voltage amplifier circuit, the equal parallel circuit of voltage, the Optical Transmit Unit of multiple electrical modulation, light receiving unit receives the optical signal of optical fiber female joint and is converted to voltage signal, after the voltage signal of light receiving unit conversion amplifies N times through voltage amplifier circuit, N roads voltage signal is divided into by the equal parallel circuit of voltage again, the N roads voltage signal that voltage divides equally circuit output corresponds input to Optical Transmit Unit, the output of multiple Optical Transmit Units is corresponded by optical fiber be of coupled connections to the sub- joint of optical fiber respectively.The present invention has the advantages that strong antijamming capability, signal stabilization are good.
Description
Technical field
The present invention relates to hub field, specifically a kind of fibre concentrator.
Background technology
Optical-fibre communications is one of wide variety of signal transmission form in modern communication field, and it has, and transmission speed is fast, pass
The advantages of defeated efficiency high.Fiber optic splitter needs to use fibre concentrator, and existing fibre concentrator uses optics inside it
The light splitting to optical fiber female joint flashlight is realized, branch Hou Ge roads flashlight is directed respectively into after the sub- joint of optical fiber and exported, and
Optics easily receives interference, such as hits the stability that can all influence hub internal optics to work, causes hub
Signal stabilization it is poor.
The content of the invention
It is poor to solve prior art fibre concentrator signal stabilization it is an object of the invention to provide a kind of fibre concentrator
The problem of.
In order to achieve the above object, the technical solution adopted in the present invention is：
Fibre concentrator, including housing, housing are provided with optical fiber female joint and the sub- joint of multiple optical fiber, it is characterised in that：Housing
Interior to be provided with light receiving unit, voltage amplifier circuit, the equal parallel circuit of voltage, the Optical Transmit Unit of multiple electrical modulation, the optical fiber is female
Joint is by fiber coupling to light receiving unit, and light receiving unit receives the optical signal of optical fiber female joint and is converted to voltage letter
Number, the output end of light receiving unit and the input of voltage amplifier circuit are connected, and the output end and voltage of voltage amplifier circuit are equal
The input connection of parallel circuit, after the voltage signal of light receiving unit conversion amplifies N times through voltage amplifier circuit, then it is equal by voltage
Parallel circuit is divided into N roads voltage signal, identical with the voltage signal size that light receiving unit is changed per road voltage signal, light transmitting
Element number is N number of, and the N roads voltage signal that voltage divides equally circuit output corresponds input to Optical Transmit Unit, and optical fiber connects
Head quantity is consistent with Optical Transmit Unit, and the output of multiple Optical Transmit Units is corresponded by optical fiber respectively to be of coupled connections to optical fiber
Sub- joint.
Described fibre concentrator, it is characterised in that：The light receiving unit uses photodiode.
Described fibre concentrator, it is characterised in that：The equal parallel circuit of voltage is made up of N number of resistant series, each electricity
The voltage at resistance two ends is the N roads voltage signal that voltage divides equally circuit output.
Described fibre concentrator, it is characterised in that：The Optical Transmit Unit of the electrical modulation is by optical modulator and laser
Constitute, divide equally every road voltage signal control laser output correspondence optical signal of circuit output according to voltage by optical modulator.
Described fibre concentrator, it is characterised in that：The light receiving unit is enclosed in light room, and light room is connect by optical fiber
Head is of coupled connections with optical fiber female joint, makes the optical signal of optical fiber female joint coupled in light room.
Branching part is used as using light receiving unit, voltage amplifier circuit, the equal parallel circuit of voltage, Optical Transmit Unit in the present invention
Part, after the flashlight of optical fiber female joint is converted to electric signal through light receiving unit, then successively it is amplified, divide equally after launch single by light
Yuan Jiangge roads electric signal is respectively converted into corresponding optical signal, therefore signal branch process is electric signal branch, with anti-interference
The advantage that ability is strong, signal stabilization is good.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Embodiment
As shown in figure 1, fibre concentrator, including housing 1, housing 1 is provided with optical fiber female joint 2 and the sub- joint of multiple optical fiber
3, housing 1 is interior to be provided with light receiving unit 4, voltage amplifier circuit 5, the equal parallel circuit of voltage, the Optical Transmit Unit 6 of multiple electrical modulation,
Optical fiber female joint 2 receives the optical signal of optical fiber female joint 2 and conversion by fiber coupling to light receiving unit 4, light receiving unit 4
For voltage signal, the output end of light receiving unit 4 is connected with the input of voltage amplifier circuit 5, the output of voltage amplifier circuit 5
End is connected with the input of the equal parallel circuit of voltage, and the voltage signal that light receiving unit 4 is changed amplifies N times through voltage amplifier circuit 5
Afterwards, then by the equal parallel circuit of voltage N roads voltage signal is divided into, the voltage signal changed per road voltage signal with light receiving unit 4
Size is identical, and the quantity of Optical Transmit Unit 6 is N number of, and the N roads voltage signal that voltage divides equally circuit output corresponds input to light hair
Unit 6 is penetrated, the sub- joint quantity 3 of optical fiber is consistent with Optical Transmit Unit 6, and the output of multiple Optical Transmit Units 6 passes through optical fiber one respectively
One correspondence is of coupled connections to the sub- joint 3 of optical fiber.
Light receiving unit 4 uses photodiode.
The equal parallel circuit of voltage is in series by N number of resistance 7, and the voltage at each two ends of resistance 7 is that the equal parallel circuit of voltage is defeated
The N roads voltage signal gone out.
The Optical Transmit Unit 6 of electrical modulation is made up of optical modulator and laser, by optical modulator according to the equal parallel circuit of voltage
Every road voltage signal control laser output correspondence optical signal of output.
Light receiving unit 4 is enclosed in light room 8, and light room 8 is of coupled connections by fibre-optical splice with optical fiber female joint 2, makes light
The optical signal of fine female joint 2 is coupled in light room 8.
Claims (5)
1. fibre concentrator, including housing, housing are provided with optical fiber female joint and the sub- joint of multiple optical fiber, it is characterised in that：Shell
Light receiving unit, voltage amplifier circuit, the equal parallel circuit of voltage, the Optical Transmit Unit of multiple electrical modulation, the optical fiber are provided with vivo
Female joint is by fiber coupling to light receiving unit, and light receiving unit receives the optical signal of optical fiber female joint and is converted to voltage letter
Number, the output end of light receiving unit and the input of voltage amplifier circuit are connected, and the output end and voltage of voltage amplifier circuit are equal
The input connection of parallel circuit, after the voltage signal of light receiving unit conversion amplifies N times through voltage amplifier circuit, then it is equal by voltage
Parallel circuit is divided into N roads voltage signal, identical with the voltage signal size that light receiving unit is changed per road voltage signal, light transmitting
Element number is N number of, and the N roads voltage signal that voltage divides equally circuit output corresponds input to Optical Transmit Unit, and optical fiber connects
Head quantity is consistent with Optical Transmit Unit, and the output of multiple Optical Transmit Units is corresponded by optical fiber respectively to be of coupled connections to optical fiber
Sub- joint.
2. fibre concentrator according to claim 1, it is characterised in that：The light receiving unit uses photodiode.
3. fibre concentrator according to claim 1, it is characterised in that：The equal parallel circuit of voltage is by N number of resistant series
Constitute, the voltage at each resistance two ends is the N roads voltage signal that voltage divides equally circuit output.
4. fibre concentrator according to claim 1, it is characterised in that：The Optical Transmit Unit of the electrical modulation is by light modulation
Device and laser are constituted, and divide equally every road voltage signal control laser output correspondence of circuit output according to voltage by optical modulator
Optical signal.
5. fibre concentrator according to claim 1, it is characterised in that：The light receiving unit is enclosed in light room, light
Room is of coupled connections by fibre-optical splice with optical fiber female joint, makes the optical signal of optical fiber female joint coupled in light room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710733358.9A CN107300742A (en) | 2017-08-24 | 2017-08-24 | Fibre concentrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710733358.9A CN107300742A (en) | 2017-08-24 | 2017-08-24 | Fibre concentrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107300742A true CN107300742A (en) | 2017-10-27 |
Family
ID=60132598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710733358.9A Withdrawn CN107300742A (en) | 2017-08-24 | 2017-08-24 | Fibre concentrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107300742A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4850045A (en) * | 1987-11-02 | 1989-07-18 | Amp Incorporated | Method and apparatus for testing fiber optic hubs |
| CN2661507Y (en) * | 2003-12-16 | 2004-12-08 | 中国科学院电工研究所 | Vehicle mounted CAN bus fiber concentrator |
| CN104166191A (en) * | 2013-05-20 | 2014-11-26 | 鸿富锦精密工业（深圳）有限公司 | Connector |
-
2017
- 2017-08-24 CN CN201710733358.9A patent/CN107300742A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4850045A (en) * | 1987-11-02 | 1989-07-18 | Amp Incorporated | Method and apparatus for testing fiber optic hubs |
| CN2661507Y (en) * | 2003-12-16 | 2004-12-08 | 中国科学院电工研究所 | Vehicle mounted CAN bus fiber concentrator |
| CN104166191A (en) * | 2013-05-20 | 2014-11-26 | 鸿富锦精密工业（深圳）有限公司 | Connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171027 |