CN206164541U - Double speed rate light signal reception's optic fibre transmitting and receiving terminals is carried out through light signal separation - Google Patents
Double speed rate light signal reception's optic fibre transmitting and receiving terminals is carried out through light signal separation Download PDFInfo
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- CN206164541U CN206164541U CN201621261240.8U CN201621261240U CN206164541U CN 206164541 U CN206164541 U CN 206164541U CN 201621261240 U CN201621261240 U CN 201621261240U CN 206164541 U CN206164541 U CN 206164541U
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Abstract
The utility model discloses a double speed rate light signal reception's optic fibre transmitting and receiving terminals is carried out through light signal separation. In the terminal, first data loop through a CDR chip, a laser drive circuit and first laser instrument and send wavelength division multiplexer, and the second data loop through the 2nd CDR chip, the 2nd laser drive circuit and second laser instrument and send wavelength division multiplexer, follow wavelength division multiplexer received third pilot light amplifies through light amplifier after optical divider is decomposed into fourth pilot light and the 5th pilot light, and the fourth pilot light sends the electrical interface through a photoelectric converter, a limiting amplifier and the 3rd CDR chip in proper order, and the 5th pilot light sends the electrical interface through the 2nd photoelectric converter, the 2nd limiting amplifier and fourth CDR chip in proper order. First data and second data can be for different transmission rate, and the transmission of two kind compatible different rates signals in same platform optic fibre transmitting and receiving terminals also can have been realized for different transmission rate to fourth pilot light and the 5th pilot light.
Description
Technical field
The utility model is related to technical field of photo communication, more particularly to a kind of separation by optical signal carries out dual rate light letter
Number receive optical fiber transceiving terminal.
Background technology
With people to information requirement into geometry multiple growth, it is high to the transmission rate request of information also more and more higher
The optical fiber transmission technique of speed is widely used in each core network, meanwhile, the Optical Fiber Transmission of normal rate is also generally deposited
Defining high speed and normal rate Optical Fiber Transmission and the situation deposited.Current fibre-optic terminus can't be compatible with a high speed
Rate Optical Fiber Transmission and normal rate Optical Fiber Transmission, it would be highly desirable to solve.
Utility model content
In view of drawbacks described above present in prior art, technical problem to be solved in the utility model is to provide one kind
Being separated by optical signal carries out the optical fiber transceiving terminal of dual-rate optical signal reception, compatible two kinds of different pieces of informations can transmit speed simultaneously
The signal transmission of rate.The utility model is achieved by the following technical solution：
It is a kind of that the optical fiber transceiving terminal for carrying out dual-rate optical signal reception, including electrical interface, wavelength-division are separated by optical signal
Multiplexer, a CDR chips, first laser device drive circuit, first laser device, the first photo-detector, the 2nd CDR chips,
Dual-laser device drive circuit, second laser, the second photo-detector, image intensifer, optical branching device, the first optical-electrical converter,
Two optical-electrical converters, the first limiting amplifier, the second limiting amplifier, the 3rd CDR chips, the 4th CDR chips；
The first CDR chips are configured to receive the first data from the electrical interface, and first data are being entered
Output after row clock and data recovery arrives the first laser device drive circuit as the first modulated signal；
The first laser device drive circuit is configured to drive described first to swash under the control of the microcontroller chip
Light device lights, while being modulated to the first laser device using first modulated signal, sends out the first laser device
Go out the first flashlight；
First photo-detector is configured to detect the dorsad luminous power of the first laser device, and by the institute for detecting
The dorsad luminous power for stating first laser device is sent to the microcontroller chip；
The first laser device is configured to for first flashlight to be sent to the wavelength division multiplexer；
The 2nd CDR chips are configured to receive the second data from the electrical interface, and second data are being entered
Output after row clock and data recovery arrives the second laser drive circuit as the second modulated signal；
The second laser drive circuit is configured to drive described second to swash under the control of the microcontroller chip
Light device lights, while being modulated to the second laser using second modulated signal, sends out the second laser
Go out secondary signal light；
The second laser is configured to for the secondary signal light to be sent to the wavelength division multiplexer；
Second photo-detector is configured to detect the dorsad luminous power of the second laser, and by the institute for detecting
The dorsad luminous power for stating second laser is sent to the microcontroller chip；
The image intensifer is configured to from the wavelength division multiplexer the 3rd flashlight of reception and after being amplified be sent to
The optical branching device；
The 3rd signal optical branching after the optical branching device is configured to amplification is the 4th flashlight and the 5th flashlight,
And the 4th flashlight is sent to into first optical-electrical converter, the 5th flashlight is sent to into second photoelectricity
Converter；
First optical-electrical converter is configured to be converted to the 4th flashlight and institute is sent to after the first electric signal
State the first limiting amplifier, first limiting amplifier be configured to will first electric signal amplify after be sent to described the
Three CDR chips, the first electric signal after the 3rd CDR chips are configured to amplification carries out being sent after clock and data recovery
To the electrical interface；
Second optical-electrical converter is configured to be converted to the 5th flashlight and institute is sent to after the second electric signal
State the second limiting amplifier, second limiting amplifier be configured to will second electric signal amplify after be sent to described the
Four CDR chips, the second electric signal after the 4th CDR chips are configured to amplification carries out being sent after clock and data recovery
To the electrical interface.
Preferably, the optical fiber transceiving terminal also include the first temperature sensor, the first automatic temp. controlling circuit, first
Refrigerator, second temperature sensor, the second automatic temp. controlling circuit and the second refrigerator；
First temperature sensor is configured to detect the temperature of the first laser device, and by detect described
The temperature of one laser instrument is sent to the microcontroller chip, and the microcontroller chip is led to according to the temperature of the first laser device
Cross the first automatic temp. controlling circuit control first refrigerator to freeze the first laser device；
The second temperature sensor is configured to detect the temperature of the second laser, and by detect described
The temperature of dual-laser device is sent to the microcontroller chip, and the microcontroller chip is led to according to the temperature of the second laser
Cross the second automatic temp. controlling circuit control second refrigerator to freeze the second laser.
Preferably, the optical fiber transceiving terminal also includes mu balanced circuit, and the microcontroller chip controls the mu balanced circuit
It is that first optical-electrical converter and the second optical-electrical converter provide stable high voltage.
Preferably, the optical fiber transceiving terminal also includes being connected between the microcontroller chip and the first laser device
Temperature-compensation circuit, the temperature-compensation circuit is configured under the control of the microcontroller chip to the first laser
Device carries out temperature-compensating.
Preferably, it is integrated with the first laser device drive circuit and is configured to control the first laser device output work
First automatic power control circuit of rate, be integrated with the second laser drive circuit be configured to control it is described second swash
Second automatic power control circuit of light device power output.
Compared with prior art, what the utility model was provided separates the light for carrying out dual-rate optical signal reception by optical signal
In fine transceiver terminal, the first data pass sequentially through a CDR chips, first laser device drive circuit and first laser device and are sent to
Wavelength division multiplexer, the second data pass sequentially through the 2nd CDR chips, second laser drive circuit and second laser and are sent to ripple
Division multiplexer；The 3rd flashlight received from wavelength division multiplexer Jing optical branching devices after image intensifer amplification are decomposed into the 4th
Flashlight and the 5th flashlight, the 4th the flashlight optical-electrical converters of Jing first, the first limiting amplifier and the 3rd CDR chips successively
Electrical interface is sent to, successively the optical-electrical converters of Jing second, the second limiting amplifier and the 4th CDR chips are sent to the 5th flashlight
Electrical interface.First data and the second data can be different transmission rates, and the 4th flashlight and the 5th flashlight are alternatively not simultaneous interpretation
Defeated speed, realizes the transmission of compatible two kinds of different rates signals in same optical fiber transceiving terminal, improves optical fiber transceiving
The compatibility feature of terminal.
Description of the drawings
Fig. 1：What the utility model embodiment was provided separates the optical fiber receipts for carrying out dual-rate optical signal reception by optical signal
Send out the structural representation of terminal.
Specific embodiment
Below in conjunction with accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out clearly
Chu, it is fully described by.Obviously, described embodiment is only a part of embodiment of the utility model, rather than the reality of whole
Apply example.The component of the utility model embodiment generally described and illustrated in accompanying drawing herein can be come with a variety of configurations
Arrangement and design.Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit
Claimed scope of the present utility model, but it is merely representative of selected embodiment of the present utility model.Based on the utility model
Embodiment, the every other embodiment that those skilled in the art are obtained on the premise of creative work is not made, all
Belong to the scope of the utility model protection.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " connection "
Should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can be that machinery connects
Connect, or electrically connect；Can be directly connected to, it is also possible to be indirectly connected with by intermediary, or two elements
Internal connection.For the ordinary skill in the art, can as the case may be understand above-mentioned term in this practicality
Concrete meaning in new.It should be noted that：In describing the invention, term " second ", " second " etc. are only used for distinguishing description,
And it is not intended that indicating or implying relative importance.
As shown in figure 1, provided in an embodiment of the present invention separate the optical fiber for carrying out dual-rate optical signal reception by optical signal
Transceiver terminal includes electrical interface 18, wavelength division multiplexer 19, a CDR chips 2, first laser device drive circuit 3, first laser device
6th, the first photo-detector 7, the 2nd CDR chips 9, the drive circuit 10 of second laser 14, second laser 14, the second photo-detector
15th, image intensifer 27, optical branching device 26, the first optical-electrical converter 23, the second optical-electrical converter 25, the first limiting amplifier 17,
Second limiting amplifier 21, the 3rd CDR chips 16, the 4th CDR chips 20.
First CDR chips 2 are configured to receive the first data from electrical interface 18, and the first data are being entered into row clock sum
According to output after recovery to first laser device drive circuit 3 as the first modulated signal.First data will as optical fiber transceiving terminal
The data for sending, it has certain signal transmission rate, and exports to a CDR cores from electrical interface 18 in electrical signal form
Piece 2.First CDR chips 2 can carry out clock and data recovery to the first data with interference signals such as noises for receiving, and go
Except interference signals such as its noises.
First laser device drive circuit 3 is configured to drive first laser device 6 to light under the control of microcontroller chip 8,
Simultaneously first laser device 6 is modulated using the first modulated signal, makes first laser device 6 send the first flashlight.First letter
The modulation light Jing after the modulation of the first modulated signal that number just first laser device 6 sends, is modulated with thereon the first data.
First photo-detector 7 is configured to detect the dorsad luminous power of first laser device 6, and by the first laser for detecting
The dorsad luminous power of device 6 is sent to microcontroller chip 8.The dorsad luminous power of laser instrument has linear relationship with its power output,
By the dorsad luminous power for detecting first laser device 6, can indirect detection go out the power output of first laser device 6, by what is detected
To after microcontroller chip 8, microcontroller chip 8 can accordingly control the driving of first laser device for the power output output of first laser device 6
Circuit 3 is controlled to first laser device 6, to control the power output of first laser device 6, makes the output work of first laser device 6
Rate keeps stable.There are a bias current power supply circuits, first laser device drive circuit 3 can in first laser device drive circuit 3
The bias current that the bias current power supply circuits are supplied to first laser device 6 is controlled, so as to realize to the output work of first laser device 6
The control of rate.
First laser device 6 is configured to for the first flashlight to be sent to wavelength division multiplexer 19.First flashlight can pass through ripple
Division multiplexer 19 sends.
By said process, optical fiber transceiving terminal can be by the first data received from electrical interface 18 with the first flashlight
Form is sent by wavelength division multiplexer 19.
2nd CDR chips 9 are configured to receive the second data from electrical interface 18, and the second data are being entered into row clock sum
According to output after recovery to the drive circuit 10 of second laser 14 as the second modulated signal.
The drive circuit 10 of second laser 14 is configured to drive second laser 14 under the control of microcontroller chip 8
Light, while being modulated to second laser 14 using the second modulated signal, makes second laser 14 send secondary signal light.
Second photo-detector 15 is configured to detect the dorsad luminous power of second laser 14, and detect second is swashed
The dorsad luminous power of light device 14 is sent to microcontroller chip 8.
Second laser 14 is configured to for secondary signal light to be sent to wavelength division multiplexer 19.
2nd CDR chips 9, the drive circuit 10 of second laser 14, between the second photo-detector 15 and second laser 14
Collaborative work principle can refer to it is aforementioned to a CDR chips 2, first laser device drive circuit 3, the first photo-detector 7 and
The description of the collaborative work principle between one laser instrument 6.First data and the second data can have different message transmission rates,
So as to realize that optical fiber transceiving terminal launches the data of two kinds of different transmission rates simultaneously.
Image intensifer 27 is configured to be sent to light point from the 3rd flashlight of reception of wavelength division multiplexer 19 and after being amplified
Road device 26.Image intensifer 27 receives the 3rd flashlight by wavelength division multiplexer 19, and it is amplified, to overcome subsequent optical point
Device 26 pairs of the 3rd flashlights in road carry out the signal Insertion Loss of generation during branch.
The 3rd signal optical branching after optical branching device 26 is configured to amplification is the 4th flashlight and the 5th flashlight, and
4th flashlight is sent to into the first optical-electrical converter 23, the 5th flashlight is sent to into the second optical-electrical converter 25.3rd letter
Number light is made up of the 4th flashlight and the coupling of the 5th flashlight, and the 4th flashlight and the 5th flashlight have different data transfers
Branch is the 4th flashlight and the 5th flashlight after optical branching device 26 by speed, the 3rd flashlight, by the 4th flashlight and
5th signal photo-reduction.
First optical-electrical converter 23 is configured to be converted to the 4th flashlight and the first amplitude limit is sent to after the first electric signal
Amplifier 17, the first limiting amplifier 17 is configured to be sent to the 3rd CDR chips 16 after the first electric signal is amplified, and the 3rd
The first electric signal after CDR chips 16 are configured to amplification carries out being sent to electrical interface 18 after clock and data recovery.First
Electric signal can be exported by electrical interface 18, and so, optical fiber transceiving terminal can be by the 4th signal received from wavelength division multiplexer 19
Light is exported in the form of the first electric signal by electrical interface 18.
Second optical-electrical converter 25 is configured to be converted to the 5th flashlight and the second amplitude limit is sent to after the second electric signal
Amplifier 21, the second limiting amplifier 21 is configured to be sent to the 4th CDR chips 20 after the second electric signal is amplified, and the 4th
The second electric signal after CDR chips 20 are configured to amplification carries out being sent to electrical interface 18 after clock and data recovery.Second
Electric signal can be exported by electrical interface 18, and so, optical fiber transceiving terminal can be by the 5th signal received from wavelength division multiplexer 19
Light is exported in the form of the second electric signal by electrical interface 18.4th flashlight and the 5th flashlight have different transmission speed
Rate, so as to realize that optical fiber transceiving terminal receives the data of two kinds of different transmission rates simultaneously.
To eliminate impact of the laser temperature change to laser output power, optical fiber transceiving terminal also includes the first temperature
Sensor 5, the first automatic temp. controlling circuit 11, the first refrigerator 4, second temperature sensor 13, the second automatic temperature-adjusting control
Circuit and the second refrigerator 12.First temperature sensor 5 is configured to detect the temperature of first laser device 6, and will detect
The temperature of first laser device 6 is sent to microcontroller chip 8, microcontroller chip 8 according to first laser device 6 temperature, by first
Automatic temp. controlling circuit 11 controls the first refrigerator 4 and first laser device 6 is freezed.Second temperature sensor 13 is configured
To detect the temperature of second laser 14, and the temperature of the second laser 14 for detecting is sent to into microcontroller chip 8, micro-control
Coremaking piece 8 controls the second refrigerator 12 pairs second according to the temperature of second laser 14 by the second automatic temp. controlling circuit
Laser instrument 14 is freezed.Automatic temperature-adjusting control work(is respectively arranged with equivalent on first laser device 6 and second laser 14
Can, the temperature of first laser device 6 and second laser 14 can be automatically controlled so as to remain at design temperature, with
The power output of stable first laser device 6 and second laser 14.
Optical fiber transceiving terminal also includes mu balanced circuit 24, and the control mu balanced circuit 24 of microcontroller chip 8 is the first opto-electronic conversion
23 and second optical-electrical converter of device 25 provides stable high voltage, so as to ensure the sensitivity of photoelectric switching circuit.
In the present embodiment, the transfer rate of the first flashlight that first laser device 6 is launched belongs to superelevation speed
(10Gbit/s) transfer rate of the secondary signal light that, second laser 14 is launched belongs to normal transmission speed, is further
The output wavelength of stable first laser device 6, optical fiber transceiving terminal also include being connected to microcontroller chip 8 and first laser device 6 it
Between temperature-compensation circuit 22, temperature-compensation circuit 22 is configured to enter first laser device 6 under the control of microcontroller chip 8
Trip temperature is compensated, so as to the output wavelength for further stablizing first laser device 6.
In the present embodiment, it is also integrated with first laser device drive circuit 3 and is configured to control the output work of first laser device 6
First automatic power control circuit of rate, is also integrated with the drive circuit 10 of second laser 14 and is configured to control second laser
Second automatic power control circuit of the power output of device 14, so as to realize respectively to first laser device 6 and second laser 14
Power output is automatically controlled.
Finally it should be noted that：The various embodiments described above are merely to illustrate the technical solution of the utility model, rather than it is limited
System；Although being described in detail to the utility model with reference to the foregoing embodiments, one of ordinary skill in the art should manage
Solution：It still can modify to the technical scheme described in previous embodiment, or special to which part or whole technologies
Levying carries out equivalent；And these are changed or are replaced, the essence disengaging the utility model for not making appropriate technical solution is respectively implemented
The scope of example technical scheme.
Claims (5)
1. it is a kind of that the optical fiber transceiving terminal for carrying out dual-rate optical signal reception is separated by optical signal, it is characterised in that including electricity
Interface, wavelength division multiplexer, a CDR chips, first laser device drive circuit, first laser device, the first photo-detector, second
CDR chips, second laser drive circuit, second laser, the second photo-detector, image intensifer, optical branching device, the first photoelectricity
Converter, the second optical-electrical converter, the first limiting amplifier, the second limiting amplifier, the 3rd CDR chips, the 4th CDR chips；
The first CDR chips are configured to receive the first data from the electrical interface, and when first data are carried out
Output after clock and data recovery arrives the first laser device drive circuit as the first modulated signal；
The first laser device drive circuit is configured to drive the first laser device under the control of the microcontroller chip
It is luminous, while be modulated to the first laser device using first modulated signal, make the first laser device send the
One flashlight；
First photo-detector is configured to detect the dorsad luminous power of the first laser device, and by detect described
The dorsad luminous power of one laser instrument is sent to the microcontroller chip；
The first laser device is configured to for first flashlight to be sent to the wavelength division multiplexer；
The 2nd CDR chips are configured to receive the second data from the electrical interface, and when second data are carried out
Output after clock and data recovery arrives the second laser drive circuit as the second modulated signal；
The second laser drive circuit is configured to drive the second laser under the control of the microcontroller chip
It is luminous, while be modulated to the second laser using second modulated signal, make the second laser send the
Binary signal light；
Second photo-detector is configured to detect the dorsad luminous power of the second laser, and by detect described
The dorsad luminous power of dual-laser device is sent to the microcontroller chip；
The second laser is configured to for the secondary signal light to be sent to the wavelength division multiplexer；
The image intensifer is configured to receive the 3rd flashlight from the wavelength division multiplexer and be sent to after being amplified described
Optical branching device；
The 3rd signal optical branching after the optical branching device is configured to amplification is the 4th flashlight and the 5th flashlight, and is incited somebody to action
4th flashlight is sent to first optical-electrical converter, and the 5th flashlight is sent to into second opto-electronic conversion
Device；
First optical-electrical converter is configured to be converted to the 4th flashlight and described is sent to after the first electric signal
One limiting amplifier, first limiting amplifier is configured to be sent to the described 3rd after first electric signal is amplified
CDR chips, the first electric signal after the 3rd CDR chips are configured to amplification carries out being sent to after clock and data recovery
The electrical interface；
Second optical-electrical converter is configured to be converted to the 5th flashlight and described is sent to after the second electric signal
Two limiting amplifiers, second limiting amplifier is configured to be sent to the described 4th after second electric signal is amplified
CDR chips, the second electric signal after the 4th CDR chips are configured to amplification carries out being sent to after clock and data recovery
The electrical interface.
2. optical fiber transceiving terminal as claimed in claim 1, it is characterised in that the optical fiber transceiving terminal also includes the first temperature
Sensor, the first automatic temp. controlling circuit, the first refrigerator, second temperature sensor, the second automatic temp. controlling circuit and
Second refrigerator；
First temperature sensor is configured to detect the temperature of the first laser device, and detect described first is swashed
The temperature of light device is sent to the microcontroller chip, the microcontroller chip according to the first laser device temperature, by institute
State the first automatic temp. controlling circuit control first refrigerator to freeze the first laser device；
The second temperature sensor is configured to detect the temperature of the second laser, and detect described second is swashed
The temperature of light device is sent to the microcontroller chip, the microcontroller chip according to the second laser temperature, by institute
State the second automatic temp. controlling circuit control second refrigerator to freeze the second laser.
3. optical fiber transceiving terminal as claimed in claim 1, it is characterised in that the optical fiber transceiving terminal also includes voltage stabilizing electricity
Road, the microcontroller chip controls the mu balanced circuit and provides stable for first optical-electrical converter and the second optical-electrical converter
High pressure.
4. optical fiber transceiving terminal as claimed in claim 1, it is characterised in that the optical fiber transceiving terminal also includes being connected to institute
The temperature-compensation circuit between microcontroller chip and the first laser device is stated, the temperature-compensation circuit is configured to described
Temperature-compensating is carried out to the first laser device under the control of microcontroller chip.
5. optical fiber transceiving terminal as claimed in claim 1, it is characterised in that be integrated with the first laser device drive circuit
It is configured to control the first automatic power control circuit of the first laser device power output, the second laser drives electricity
The second automatic power control circuit for being configured to control the second laser power output is integrated with road.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016207360784 | 2016-07-13 | ||
| CN201620736078 | 2016-07-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206164541U true CN206164541U (en) | 2017-05-10 |
Family
ID=58661190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621261240.8U Expired - Fee Related CN206164541U (en) | 2016-07-13 | 2016-11-10 | Double speed rate light signal reception's optic fibre transmitting and receiving terminals is carried out through light signal separation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206164541U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107332626A (en) * | 2017-07-05 | 2017-11-07 | 青岛海信宽带多媒体技术有限公司 | A kind of burst luminous signal receiving circuit and optical module |
| CN110178065A (en) * | 2019-04-11 | 2019-08-27 | 深圳市亚派光电器件有限公司 | Light emission component and preparation method thereof |
-
2016
- 2016-11-10 CN CN201621261240.8U patent/CN206164541U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107332626A (en) * | 2017-07-05 | 2017-11-07 | 青岛海信宽带多媒体技术有限公司 | A kind of burst luminous signal receiving circuit and optical module |
| CN110178065A (en) * | 2019-04-11 | 2019-08-27 | 深圳市亚派光电器件有限公司 | Light emission component and preparation method thereof |
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Granted publication date: 20170510 Termination date: 20201110 |