CN208707640U - Single-fiber intermediate-distance transmission module - Google Patents
Single-fiber intermediate-distance transmission module Download PDFInfo
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- CN208707640U CN208707640U CN201821401418.3U CN201821401418U CN208707640U CN 208707640 U CN208707640 U CN 208707640U CN 201821401418 U CN201821401418 U CN 201821401418U CN 208707640 U CN208707640 U CN 208707640U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 43
- 239000000835 fiber Substances 0.000 title claims abstract description 22
- 230000003287 optical effect Effects 0.000 claims abstract description 64
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 9
- 238000005070 sampling Methods 0.000 claims description 7
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- 238000001914 filtration Methods 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- VEMKTZHHVJILDY-UHFFFAOYSA-N resmethrin Chemical compound CC1(C)C(C=C(C)C)C1C(=O)OCC1=COC(CC=2C=CC=CC=2)=C1 VEMKTZHHVJILDY-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Optical Communication System (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model provides a single fiber center distance transmission module, include: the structure unit and set up in the structure unit in the transmission module body, the transmission module body including the functional circuit unit, the optical device unit that set gradually, the functional circuit unit include optical signal's transmitting circuit module and the amplitude limiting amplifier circuit module of the signal of telecommunication, the optical device unit include with the transmitting circuit module correspond the transmitting laser that sets up and with the amplitude limiting amplifier circuit module correspond the light detector that sets up, still including set up in functional circuit unit and optical device unit between the compensation unit, the compensation unit be used for real-time compensation optical signal or the signal of telecommunication. Implement the utility model discloses a apart from transmission module in single fiber can be when guaranteeing transmission distance, the cost is lower.
Description
Technical field
The utility model relates to a kind of communication module, in particular to away from transmission module in a kind of single fiber.
Background technique
SFP+ single fiber bi-directional transmission module is a kind of photoelectric conversion of simple optical fiber transmitted in both directions applied to 10,000,000,000 networks
Module.Middle distance refers to 300 meters of the short distance defined in the professional standard and long away from a section between 10 kilometers, main allusion quotation
Offset refers to 3 kilometers and 5 kilometers.Optical-electric module required for middle distance applications is unable to satisfy distance using short distance module
It is required that while industry urgent need is able to satisfy required distance, price is suitable using length away from module and cost with higher
In away from transmission module.
Utility model content
More than solving the problems, such as, the utility model provides a kind of realization single fiber bi-directional transfer function, effectively control hair
It penetrates and receives optical crosstalk, distance, high bandwidth transmission application requirement in satisfaction, away from transmission mould in the reliable and stable single fiber of data link
Block.
The utility model discloses in a kind of single fiber away from transmission module, comprising: structural unit and be set to the knot
Transmission module ontology in structure unit, the transmission module ontology include the functional circuit unit set gradually, optical device list
Member, the functional circuit unit include the transmit circuit module of optical signal and the amplitude limiting amplifier circuit module of electric signal, described
Optical device unit include the emitting laser being correspondingly arranged with the transmit circuit module and with the described limited range enlargement electricity
The optical detector that road module is correspondingly arranged further includes the compensation being set between the functional circuit unit and optical device unit
Unit, the compensating unit are used for real-time compensation optical signal or electric signal.
Further, the compensating unit include the compensation network module being connected with the transmit circuit module and
ADC samples compensating module.
Further, the optical device unit further include: pedestal, optical filter, trans-impedance amplifier, LC lock pin adapter,
The horizontal side of the pedestal is equipped with LC lock pin adapter, and the horizontal other side is equipped with emitting laser, also, vertical one
Side is equipped with optical detector, and the base interior is equipped with the optical filter, described in the optical signal warp that the emitting laser emits
After optical filter, the optical signal of transmission enters in the LC lock pin adapter, and external optical signal is entered by the LC lock pin adapter
Afterwards, it is received after optical filter reflection by the optical detector after being converted into electric signal by the trans-impedance amplifier amplification
Into the functional circuit unit.
Further, the structural unit includes including base device, cover device, tripper, the top cover
Device, which is used to cover, closes the base device, and the tripper passes through screw the activity fixed base device and top cover
Device area.
Implement that there is technical effect beneficial below away from transmission module in a kind of single fiber of the utility model:
Middle short distance module is different from the prior art and is unable to satisfy required distance, using length away from module and cost with higher
Deficiency, the exploitation away from transmission module in the SFP+ single fiber bi-directional in the technical program, solve presently, there are technical application
Blank, can be while guaranteeing transmission range, and cost is relatively low.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the functions of modules figure away from transmission module in a kind of single fiber of the utility model embodiment；
Fig. 2 is compensating unit circuit diagram in Fig. 1.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1 and Fig. 2, the embodiments of the present invention, away from transmission module in a kind of single fiber, comprising: structural unit
10 and the transmission module ontology 20 that is set in structural unit 10, transmission module ontology 20 include the functional circuit set gradually
Unit 30, optical device unit 40, functional circuit unit 30 include that the transmit circuit module 301 of optical signal and the clipping of electric signal are put
Big circuit module 302, optical device unit 40 include the emitting laser being correspondingly arranged with transmit circuit module 301 and put with clipping
The optical detector that big circuit module 302 is correspondingly arranged, further includes being set between functional circuit unit 30 and optical device unit 40
Compensating unit 35, compensating unit 35 be used for real-time compensation optical signal or electric signal.
Compensating unit 35 includes the compensation network module being connected with transmit circuit module 301 and ADC sampling compensating module.
Compensation network module is RC compensation network, and RC compensation network can be used to absorb high frequency spikes, avoid high-frequency self-excitation, be steady
Fixed output so that approximate pure resistance is presented in comparatively wide frequency range, and then stablizes part-frequency point, improves damping, improves phase
Position distortion.Resistance R and capacitor C is the impedance and capacitance under the frequency for needing to compensate, as shown in Fig. 2, signal compensation refers to transmitting letter
Number compensation network R6, C9, C14, R8 carry out RC compensation, promote the eye diagram quality of transmission module, meet big bandwidth applications.
ADC samples compensating module and uses automatic control mode, by algorithm automatically according to different transmission module individual differences
Specific aim compensation is carried out, the requirement of monitoring precision is reached.
In ADC sampling, because influencing to monitor precision, and there are individual differences, so according to difference there are the influence of crosstalk
The algorithm and calibration factor for removing crossfire value is added in individual, for example a product crossfire value is 40, then first removes 40 and carry out calibration factor again
Calculating, b product crossfire value is 60, then first removes 60 calculatings for carrying out calibration factor again, and ADC samples the specific place of compensating module
Reason process is completed by the chip of the model TOSA10G in figure.
Optical device unit 40 further include: pedestal, optical filter, trans-impedance amplifier, LC lock pin adapter, the horizontal side of pedestal
Equipped with LC lock pin adapter, the horizontal other side is equipped with emitting laser, also, is equipped with optical detector, base in vertical side
Seat is internal to be equipped with optical filter, and for the optical signal of emitting laser transmitting after optical filter, the optical signal of transmission enters LC lock pin adaptation
In device, after external optical signal is entered by LC lock pin adapter, electric signal is converted by optical detector reception after optical filter reflects
Functional circuit unit is amplified by trans-impedance amplifier.
Structural unit 10 includes including base device, cover device, tripper, and cover device closes pedestal dress for covering
It sets, tripper passes through screw activity firm banking device and cover device.
It is described in detail below as follows:
Functional circuit unit 30 includes transmitting unit, receiving unit, monitoring unit.Wherein transmitting unit refers to transmitting driving electricity
Road, and include to make can control, fault indication function.Receiving unit refers to amplitude limiting amplifier circuit, and includes alarm setting and indicated work
Energy.Monitoring unit is designed by MCU, it then follows I2C bus protocol is completed to realize the customization of module protocol function and monitoring information.
Compensating unit 35 includes signal compensation and ADC sampling compensation.Signal compensation refers to the compensation network of transmitting signal, is promoted
The eye diagram quality of transmission module meets big bandwidth applications；ADC sampling compensation uses automatic control mode, passes through the automatic root of algorithm
Specific aim compensation is carried out according to different transmission module individual differences, reaches the requirement of monitoring precision.
Optical device unit 40 includes emitting laser, BOX pedestal, and optical filter receives PD, trans-impedance amplifier, and LC lock pin is fitted
Orchestration, ceramic sleeve, metal fixing.Wherein optical filter uses coating film treatment, and cooperation LC lock pin adapter realizes single fiber bi-directional
Transfer function, and can efficiently control transmitting receive light crosstalk degree.
The course of work in single fiber in the technical program away from transmission module is as follows:
Emission process: mainboard electric signal enters launch driving circuit, launch driving circuit by the electrical interface of transmission module
It drives the emitting laser of optical device unit to shine, emits signal after the transmitting signal compensation network of compensating unit compensates
Laser is entered by modulation, laser passes through devices and the exterior lights such as optical filter, LC lock pin adapter, metal fixing after shining
The output of optical signal is realized in fibre connection, and transmitting unit can also be controlled whether shining to laser by making can control, when
When transmitting unit breaks down, indicating fault can be generated.
Receive process: the optical signal of external belt modulated signal by the metal fixing of optical device unit, lock pin adapter,
The devices such as optical filter enter the PD of transmission module, and PD is converted to photoelectric current after receiving light, and photoelectric current passes through trans-impedance amplifier,
Electric signal is formed, electric signal amplifies further across limiting amplifier shaping, eventually by electrical interface to mainboard, completes optical signal
Reception.ADC sampling is received by the automatic control of sampling compensation, realizes the accuracy of monitoring.
In transmitting and received process, transmitting light can have crosstalk to light is received, and transmitting light can also be deposited by receiving light
The selection that the mode and lock pin adapter angle of optical filter coating are sampled in crosstalk, design, can accomplish effectively crosstalk degree
Control.The control of crosstalk degree can have 3 influences for arriving 5dB to performance parameter, these adverse effects then pass through setting for compensating unit
Meter is eliminated.Finally, performance parameter requirement away from transmission in can integrally be met away from transmission module in SFP+ single fiber bi-directional.
Implement that there is technical effect beneficial below away from transmission module in a kind of single fiber of the utility model:
Middle short distance module is different from the prior art and is unable to satisfy required distance, using length away from module and cost with higher
Deficiency, the exploitation away from transmission module in the SFP+ single fiber bi-directional in the technical program, solve presently, there are technical application
Blank, can be while guaranteeing transmission range, and cost is relatively low.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (4)
1. away from transmission module in a kind of single fiber, comprising: structural unit and the transmission module being set in the structural unit
Ontology, the transmission module ontology include the functional circuit unit set gradually, optical device unit, the functional circuit list
Member includes the transmit circuit module of optical signal and the amplitude limiting amplifier circuit module of electric signal, the optical device unit include and institute
The emitting laser and the light spy being correspondingly arranged with the amplitude limiting amplifier circuit module that the transmit circuit module stated is correspondingly arranged
Survey device, which is characterized in that it further include the compensating unit being set between the functional circuit unit and optical device unit, it is described
Compensating unit be used for real-time compensation optical signal or electric signal.
2. away from transmission module in single fiber according to claim 1, which is characterized in that the compensating unit include with it is described
The compensation network module that is connected of transmit circuit module and ADC sampling compensating module.
3. away from transmission module in single fiber according to claim 1, which is characterized in that the optical device unit further include:
Pedestal, optical filter, trans-impedance amplifier, LC lock pin adapter, the horizontal side of the pedestal is equipped with LC lock pin adapter, horizontal
The other side is equipped with emitting laser, also, is equipped with optical detector in vertical side, and the base interior is equipped with the optical filtering
Piece, for the optical signal of the emitting laser transmitting after the optical filter, the optical signal of transmission enters the LC lock pin adapter
In, after external optical signal is entered by the LC lock pin adapter, received after optical filter reflection by the optical detector
It is converted into electric signal and is amplified into the functional circuit unit by the trans-impedance amplifier.
4. away from transmission module in single fiber according to claim 1, which is characterized in that the structural unit includes pedestal dress
It sets, cover device, tripper, the cover device, which is used to cover, closes the base device, and the tripper passes through
Screw the activity fixed base device and cover device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821401418.3U CN208707640U (en) | 2018-08-28 | 2018-08-28 | Single-fiber intermediate-distance transmission module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821401418.3U CN208707640U (en) | 2018-08-28 | 2018-08-28 | Single-fiber intermediate-distance transmission module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208707640U true CN208707640U (en) | 2019-04-05 |
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ID=65944672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821401418.3U Active CN208707640U (en) | 2018-08-28 | 2018-08-28 | Single-fiber intermediate-distance transmission module |
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| Country | Link |
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| CN (1) | CN208707640U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095426A (en) * | 2019-04-12 | 2019-08-06 | 华中科技大学鄂州工业技术研究院 | A kind of infrared gas sensor based on infrared emission and detection integrated chip |
-
2018
- 2018-08-28 CN CN201821401418.3U patent/CN208707640U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095426A (en) * | 2019-04-12 | 2019-08-06 | 华中科技大学鄂州工业技术研究院 | A kind of infrared gas sensor based on infrared emission and detection integrated chip |
| CN110095426B (en) * | 2019-04-12 | 2022-01-07 | 华中科技大学鄂州工业技术研究院 | Infrared gas sensor based on infrared emission and detection integrated chip |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230519 Address after: Room 402, building 2, colorful science and Technology City, No. 5, Guanle Road, Luhu community, Guanhu street, Longhua District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen oulingke Communication Technology Co.,Ltd. Address before: 518109, 4th Floor, Building A14, Silicon Valley Power Qinghu Park, Qinghu Community, Longhua Street, Longhua New District, Shenzhen City, Guangdong Province (Property Rights: 4th Floor, Building 1, Qinghu Industrial City Factory) Patentee before: SHENZHEN OLINKPHOTONICS Inc.,Ltd. |
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| TR01 | Transfer of patent right |