CN106100736B - A kind of miniature Ethernet photoelectric converter and application - Google Patents
A kind of miniature Ethernet photoelectric converter and application Download PDFInfo
- Publication number
- CN106100736B CN106100736B CN201610392110.6A CN201610392110A CN106100736B CN 106100736 B CN106100736 B CN 106100736B CN 201610392110 A CN201610392110 A CN 201610392110A CN 106100736 B CN106100736 B CN 106100736B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2589—Bidirectional transmission
- H04B10/25891—Transmission components
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
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- Electromagnetism (AREA)
- Optical Communication System (AREA)
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Abstract
The invention discloses a kind of miniature Ethernet photoelectric converter and its applications, belong to optical communication field.It includes Ethernet crystal connector, power conversion unit, network signal converting unit and photoelectric conversion unit, Ethernet crystal connector is electrically connected with power conversion unit and network signal converting unit simultaneously, it is used to connect with external network interface, it is also used to power simultaneously, power conversion unit is electrically connected with network signal converting unit and photoelectric conversion unit simultaneously, voltage needed for power conversion unit is used to convert the supply voltage that too net crystal connector supplies to network transmitting unit and photoelectric conversion unit work, network signal converting unit is electrically connected with photoelectric conversion unit, it is used to Ethernet electric signal being converted to fiber data signal, photoelectric conversion unit is electrically connected with external fiber interface, it is used to mutually be converted optical signal and electric signal.Apparatus of the present invention integrated level is high, it is small in size, at low cost, transmission range can be greatly prolonged.
Description
Technical field
The invention belongs to optical communication fields, more particularly, to a kind of miniature Ethernet photoelectric converter and its application.
Background technique
Photoelectric converter (alternatively referred to as optical transmitter and receiver) is the optical fiber communication equipment for extending data transmission, it mainly passes through signal
The technologies such as modulation, photoelectric conversion achieve the purpose that remote transmission using good characteristics such as optical fiber transmission low-losses.
Optical transmitter and receiver includes optical sender and photoreceiver.Wherein, optical sender completes electrical/optical conversion, and optical signal is sent out
It projects into optical fiber, is transmitted using optical fiber；Photoreceiver completes optical electrical conversion, and the optical signal of mainly reception optical fiber restores
For electric signal.
Photoelectric converter effect is exactly long-distance transport data, and in remote fiber transmission, optical fiber influences the transmission of signal
Very little, the transmission quality of fibre-optic transmission system (FOTS) mainly depend on the quality with photoelectric converter.
There are some problems for existing photoelectric converter.First, system generally all includes independent photoelectric conversion module, this
So that the higher cost of photoelectric converter.Second, existing photoelectric converter needs the external world independently-powered, integrated level needs to be mentioned
Height, volume can not minimize.
With being constantly progressive for optical transmitter and receiver technology, it would be highly desirable to which it is lower to provide a kind of equipment manufacturing cost, and integrated level is high, and volume is smaller
Photoelectric converter.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides a kind of miniature Ethernet photoelectric conversions
Device powers it is intended that being introduced by Ethernet crystal head from external equipment, and photoelectric conversion unit and network signal is arranged
Converting unit, alternative traditional independent photoelectric conversion module, miniature Ethernet photoelectric converter integrated level of the invention is high, body
Product is small, at low cost, can greatly prolong transmission range.
To achieve the above object, according to one aspect of the present invention, a kind of miniature Ethernet photoelectric converter is provided,
It is characterized in that comprising Ethernet crystal connector, power conversion unit, network signal converting unit and photoelectric conversion unit,
Wherein,
The Ethernet crystal connector is electrically connected with power conversion unit and network signal converting unit simultaneously, is used for
It is connect with external network interface, while being also used to power,
The power conversion unit is electrically connected with network signal converting unit and photoelectric conversion unit simultaneously, the power supply
Converting unit is used to convert the supply voltage that too net crystal connector supplies to network transmitting unit and photoelectric conversion unit works
Required voltage,
The network signal converting unit is electrically connected with the photoelectric conversion unit, is used for ethernet network signal
Fiber data signal is converted to,
The photoelectric conversion unit is electrically connected with external fiber interface, is used to carry out optical signal and electric signal mutual
It changes.
Further, the photoelectric conversion unit include laser drive unit, detector driving unit, laser and
Detector, wherein
The power conversion unit is electrically connected with the laser drive unit, for the laser drive unit
Power supply,
The network signal converting unit is electrically connected with the laser drive unit input terminal, the laser driving
Unit output end is connected with the laser, and to drive laser to shine, the laser is connected to external fiber interface,
The detector is electrically connected with the detector driving unit input terminal, the detector driving unit output end
It is electrically connected with the network signal converting unit, the detector is connected to external fiber interface simultaneously, to receive extraneous light
Signal.
Further, the Ethernet crystal head includes the first pin pair, and first pin pair and power supply conversion are single
Member is electrically connected, by for from external equipment by POE in a manner of to the power conversion unit power.
Further, the Ethernet crystal head further include second pin to and third pin pair, the second pin pair
With the third pin to being electrically connected simultaneously with the network signal converting unit, be respectively used to network signal transmission and
The reception of network signal.
Further, the Ethernet crystal head further includes the 4th pin pair, and the 4th pin draws to for free time extension
Foot.
Further, the power conversion unit can be converted to the supply voltage that the Ethernet crystal connector supplies
One or more of 5V, 3.3V and 2.5V.
Further, shape is rectangular, the size on three of them side difference: the first side length is 10mm~15mm, second
Side length is 8mm~12mm, and third side length is 60mm~80mm.Preferably, the size of the miniature Ethernet photoelectric converter
For 13mm × 10mm × 70mm.
According to another aspect of the present invention, also provide it is a kind of as described above miniature Ethernet photoelectric converter in optical communication field
In application.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, can obtain down and show
Beneficial effect:
1, miniature Ethernet photoelectric converter passes through POE mode from external equipment using a pair of pins of Ethernet crystal head
Power supply is introduced, which is converted into inside by power conversion unit and needs voltage, resupplies the network letter being electrically connected therewith
Number converting unit and photoelectric conversion unit, make Unit two obtain it is electric after work.Due to the change of power supply mode, without traditional list
Solely power supply it is small in size so that miniature Ethernet photoelectric converter integrated level of the invention is high, common specification be 13mm ×
10mm×70mm。
2, using the integrated of photoelectric conversion unit and network signal converting unit, traditional optical transmitter and receiver is avoided to use individual
Photoelectric conversion module, such design are not only only capable of improving the integrated level of photoelectric converter, can also reduce cost.
3, network signal is converted to by fiber data signal using network signal converting unit, is transmitted using optical fiber,
Transmission range can be greatly prolonged.
Detailed description of the invention
Fig. 1 is the composed structure schematic diagram of miniature Ethernet photoelectric converter in the embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
Fig. 1 is the composed structure schematic diagram of miniature Ethernet photoelectric converter in the embodiment of the present invention.As seen from the figure, miniature
Ethernet photoelectric converter mainly includes that too net crystal connector, power conversion unit, network signal converting unit and photoelectricity turns
Change unit.
Wherein, the Ethernet crystal connector is electrically connected with power conversion unit and network signal converting unit simultaneously,
Ethernet crystal connector is also used to be powered for connecting with external network interface.Power conversion unit simultaneously with net
Network signal conversion unit and photoelectric conversion unit are electrically connected, what the power conversion unit was used to supply too net crystal connector
Voltage needed for supply voltage is converted into network transmitting unit and photoelectric conversion unit work.It is also contemplated that power conversion unit is used
In the supply voltage obtained by external POE to be converted to voltage required for other cell operations of inside modules.It is usually external
Supply voltage is 48V or 12V, by being converted to the voltages such as internal 5V, 3.3V, 2.5V needed after power conversion module.Tool
Body, the voltage after being converted according to actual requirement of engineering flexible design.
Network signal converting unit is electrically connected with the photoelectric conversion unit, is used to convert ethernet network signal
For fiber data signal, the photoelectric conversion unit is electrically connected with external fiber interface, is used for optical signal and electric signal
It is interchangeable.
It can also be expected that network signal converting unit is mainly used for the conversion of network signal.This is because external equipment
Network signal mainly in accordance with Ethernet Data Transport Protocol, optical fiber interface mainly in accordance be optical-fiber network data transmission association
View, the two agreement can not be compatible with, it is therefore desirable to network signal are converted to fiber data signal by the unit.
The photoelectric conversion unit includes laser drive unit, detector driving unit, laser and detector.Its
In, the power conversion unit is electrically connected with the laser drive unit, for powering to the laser drive unit,
The network signal converting unit is electrically connected with the laser drive unit input terminal, the laser drive unit output
End is connected with the laser, and to drive laser to shine, the laser is connected to external fiber interface, the detector and institute
It states detector driving unit input terminal to be electrically connected, the detector driving unit output end and the network signal converting unit
It is electrically connected, the detector is connected to external fiber interface simultaneously, to receive extraneous optical signal.
Detailed, photoelectric conversion unit is mainly used for the mutual conversion of photosignal.In sending side, network sends data
Enter network signal converting unit by crystal head, then give laser driving, driving laser shine, generate optical signal into
Enter optical fiber to be transmitted；
In receiving side, after optical signal enters detector, be converted to ultra-weak electronic signal enter detector driving after, shaping amplification
External network interface is entered by crystal head after carrying out signal conversion for the electric signal that network signal converting unit can identify.
Module is generally employed in pairs, and realizes that two network signals are transmitted by optical fiber.It can also be exchanged with optical-fiber network
Machine collocation uses, and the network signal of external equipment is transformed to optical signal, enters optical-fiber network interchanger i.e. after optical fiber transmits
It can.
In one embodiment of the invention, Ethernet crystal head include the first pin pair, first pin pair with it is described
Power conversion unit is electrically connected, by for from external equipment by POE in a manner of to the power conversion unit power.Ethernet
Crystal head further include second pin to and third pin pair, the second pin to the third pin to simultaneously with the net
Network signal conversion unit is electrically connected, to be respectively used to the transmission of network signal and the reception of network signal.Ethernet crystal head
It further include the 4th pin pair, the 4th pin is to for idle extended pin.
In Practical Project practice, Ethernet crystal connector is also known as RJ45 Ethernet crystal head, i.e. network interface, main to use
It is connect in the network interface with external equipment, there are eight pins in inside, and eight pins form four pairs of pins pair, one pair of them pin
For being powered from external equipment by POE (Power Over Ethernet, in for pass through Power over Ethernet) mode；It is a pair of
Pin is the transmission of network signal, and the data for external equipment are sent；A pair of pins is the reception of network signal, for outside
The signal of equipment receives；Another pair of pin is idle extended pin.
In another embodiment of the present invention, miniature Ethernet photoelectric converter shape is rectangular, the ruler on three of them side
Very little difference: the first side length is 10mm~15mm, and the second side length is 8mm~12mm, and third side length is 60mm~80mm.Preferably,
Miniature Ethernet photoelectric converter finished product of the invention is more slightly smaller than traditional lighter, and size is about 13mm × 10mm × 70mm.
Miniature Ethernet photoelectric converter of the invention when in use, passes through RJ45 Ethernet crystal connector and external equipment
Network interface be connected, photoelectric conversion unit is connected with external optical fiber interface, i.e., one end, which connects, needs network data
Electronic equipment, one end connect optical fiber.Fiber data signal is transmitted by optical fiber.In sending side, network sends data and passes through crystal
Head enter network signal converting unit, then give laser driving, driving laser shine, generate optical signal enter optical fiber into
Row transmission；In receiving side, after optical signal enters detector, be converted to ultra-weak electronic signal enter detector driving after, shaping amplification
External network interface is entered by crystal head after carrying out signal conversion for the electric signal that network signal converting unit can identify.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (6)
1. a kind of miniature Ethernet photoelectric converter, which is characterized in that it include Ethernet crystal connector, power conversion unit,
Network signal converting unit and photoelectric conversion unit, wherein
The Ethernet crystal connector is electrically connected with power conversion unit and network signal converting unit simultaneously, be used for outside
The connection of portion's network interface, while being also used to power,
The power conversion unit is electrically connected with network signal converting unit and photoelectric conversion unit simultaneously, the power supply conversion
Unit is used to convert network signal converting unit and photoelectric conversion unit work for the supply voltage that Ethernet crystal connector supplies
Voltage needed for making,
The network signal converting unit is electrically connected with the photoelectric conversion unit, is used to convert ethernet network signal
For fiber data signal,
The photoelectric conversion unit is electrically connected with external fiber interface, is used to for optical signal and electric signal being interchangeable,
Miniature Ethernet photoelectric converter introduces confession by POE mode from external equipment using a pair of pins of Ethernet crystal head
Electricity, the power supply are converted into inside by power conversion unit and need voltage, resupply the network signal conversion being electrically connected therewith
Unit and photoelectric conversion unit, make Unit two obtain it is electric after work,
Miniature Ethernet photoelectric converter shape is rectangular, and the size on three of them side is respectively, the first side length be 10mm~
15mm, the second side length are 8mm~12mm, and third side length is 60mm~80mm.
2. a kind of miniature Ethernet photoelectric converter as described in claim 1, which is characterized in that the photoelectric conversion unit packet
Include laser drive unit, detector driving unit, laser and detector, wherein
The power conversion unit is electrically connected with the laser drive unit, for supplying to the laser drive unit
Electricity,
The network signal converting unit is electrically connected with the laser drive unit input terminal, the laser drive unit
Output end is connected with the laser, and to drive laser to shine, the laser is connected to external fiber interface,
The detector is electrically connected with the detector driving unit input terminal, the detector driving unit output end and institute
It states network signal converting unit to be electrically connected, the detector is connected to external fiber interface simultaneously, to receive extraneous optical signal.
3. a kind of miniature Ethernet photoelectric converter as claimed in claim 2, which is characterized in that the Ethernet crystal head packet
The first pin pair is included, which is electrically connected with the power conversion unit, for passing through the side POE from external equipment
Formula is powered to the power conversion unit.
4. a kind of miniature Ethernet photoelectric converter as claimed in claim 3, which is characterized in that the Ethernet crystal head is also
Including second pin to and third pin pair, the second pin to the third pin to simultaneously with the network signal turn
It changes unit to be electrically connected, to be respectively used to the transmission of network signal and the reception of network signal.
5. a kind of miniature Ethernet photoelectric converter as claimed in claim 4, which is characterized in that the Ethernet crystal head is also
Including the 4th pin pair, the 4th pin is to for idle extended pin.
6. a kind of miniature Ethernet photoelectric converter as described in one of claim 1-5, which is characterized in that the power supply conversion
The supply voltage that the Ethernet crystal connector supplies can be converted to one or more of 5V, 3.3V and 2.5V by unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610392110.6A CN106100736B (en) | 2016-06-03 | 2016-06-03 | A kind of miniature Ethernet photoelectric converter and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610392110.6A CN106100736B (en) | 2016-06-03 | 2016-06-03 | A kind of miniature Ethernet photoelectric converter and application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106100736A CN106100736A (en) | 2016-11-09 |
| CN106100736B true CN106100736B (en) | 2019-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610392110.6A Expired - Fee Related CN106100736B (en) | 2016-06-03 | 2016-06-03 | A kind of miniature Ethernet photoelectric converter and application |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201742414U (en) * | 2010-07-14 | 2011-02-09 | 南京泰通电子科技有限公司 | Optical transceiver with Ethernet function |
| CN202043111U (en) * | 2011-03-08 | 2011-11-16 | 青岛海信宽带多媒体技术有限公司 | SFP (small form-factor pluggable) optical module |
| CN202103668U (en) * | 2011-06-23 | 2012-01-04 | 上海宽岱电讯科技发展有限公司 | Video optical sender with embedded PoE module |
| CN103023825A (en) * | 2012-12-27 | 2013-04-03 | 山东大学 | Miniature gigabit Ethernet exchange device |
| CN203014850U (en) * | 2012-12-27 | 2013-06-19 | 山东大学 | Mini-sized kilomega Ethernet exchange device |
| CN103595476A (en) * | 2012-08-13 | 2014-02-19 | 成都思迈科技发展有限责任公司 | A USB power supply fiber transmit-receive apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204408368U (en) * | 2015-02-15 | 2015-06-17 | 余治中 | Adopt the network equipment of low-voltage DC supply |
-
2016
- 2016-06-03 CN CN201610392110.6A patent/CN106100736B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201742414U (en) * | 2010-07-14 | 2011-02-09 | 南京泰通电子科技有限公司 | Optical transceiver with Ethernet function |
| CN202043111U (en) * | 2011-03-08 | 2011-11-16 | 青岛海信宽带多媒体技术有限公司 | SFP (small form-factor pluggable) optical module |
| CN202103668U (en) * | 2011-06-23 | 2012-01-04 | 上海宽岱电讯科技发展有限公司 | Video optical sender with embedded PoE module |
| CN103595476A (en) * | 2012-08-13 | 2014-02-19 | 成都思迈科技发展有限责任公司 | A USB power supply fiber transmit-receive apparatus |
| CN103023825A (en) * | 2012-12-27 | 2013-04-03 | 山东大学 | Miniature gigabit Ethernet exchange device |
| CN203014850U (en) * | 2012-12-27 | 2013-06-19 | 山东大学 | Mini-sized kilomega Ethernet exchange device |
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| CN106100736A (en) | 2016-11-09 |
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Address after: 430074 No. 999, hi tech Avenue, East Lake New Technology Development Zone, Hubei, Wuhan Applicant after: Optics Valley Wuhan science and Technology Co., Ltd. Address before: 430000 Wuhan Province, East Lake New Technology Development Zone, high tech Avenue, No. 999, No. Applicant before: Wuhan Oro Optical Networking Technology Development Co., Ltd. |
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Granted publication date: 20190329 Termination date: 20210603 |