CN2836342Y - Single-fiber bidirectional burst-mode optical module - Google Patents
Single-fiber bidirectional burst-mode optical module Download PDFInfo
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- CN2836342Y CN2836342Y CNU2005201302912U CN200520130291U CN2836342Y CN 2836342 Y CN2836342 Y CN 2836342Y CN U2005201302912 U CNU2005201302912 U CN U2005201302912U CN 200520130291 U CN200520130291 U CN 200520130291U CN 2836342 Y CN2836342 Y CN 2836342Y
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- circuit
- wavelength division
- division multiplexing
- optical fiber
- utility
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Abstract
The utility model relates to a photoelectric conversion module group for an optical fiber signal transmission process, particularly a single-fiber bidirectional burst-mode optical module group. The utility model comprises an input control module and an input simulation module which are connected through an optical fiber, wherein the input control module comprises a driving circuit, a laser diode, a wavelength division multiplex circuit and a reception detection device which are connected in succession, and the optical fiber is connected with the wavelength division multiplex circuit. The utility model is applied to a single-fiber bidirectional single-emission single-reception optical module for the simulation of video optical transmission, the transmission of two paths of simulation signals is realized in one piece of optical fiber, the dual wavelength in positive direction and reverse direction can be customized according to a user's demand, and in addition, the wavelength division multiplex circuit directly adopts an ST interface or an FC interface, and the structure is subtle, a plurality of functions are integrated, and the utility model can utilize a plurality of functions of power supply, static electricity resistance, etc. existing in associated equipment. The stability and the practicability are enhanced, the appearance is compact, therefore the utility model also has outstanding advantages in assembly and use.
Description
Technical field
The utility model relates to a kind of photoelectric conversion module group that is used for the fiber-optic signal transmission course, particularly a kind of single fiber bi-directional burst mode optical module group.
Technical background
The tradition optical module to the transmission rate of processing signals usually at 52Mbps/s～1.5Gbps/s, what adopt is the continous way signal, if signal is discontinuous, there is burst to produce, easily produce the error code erroneous judgement, and existing photoelectric conversion module needs to go out by the switching wire jumper to connect FC ring flange or ST ring flange at the SC interface, cause overall volume bigger, make that also the equipment volume of this photoelectric conversion module of employing is also corresponding bigger, if do not increase on the equipment volume in order to allow, can only be assemblied in the outside of equipment, also need special power supply circuits, special shell is used for waterproof, sun-proof, antistatic forms to cause needs a cover complicated, bulky systems has also reduced reliability simultaneously.
The utility model content
The utility model has overcome above-mentioned shortcoming, and a kind of simple in structure, superior performance, single fiber bi-directional burst mode optical module group that stability is strong are provided.
The technical scheme in the invention for solving the technical problem is: a kind of single fiber bi-directional burst mode optical module group, comprise the control input module and the analog input module that link to each other by optical fiber, described control input module comprises a drive circuit that is used to drive described control signal input, be used for described control data signal is converted into the laser diode of light signal, be used to receive the pick-up probe and the wavelength division multiplexing circuit of the light signal that transmits from described optical fiber, described drive circuit, laser diode wavelength division multiplexing circuit links to each other in turn with pick-up probe, and described optical fiber links to each other with the wavelength division multiplexing circuit.
Described analog input module can comprise one be used for analog signal input be converted into light signal laser diode, be used to receive the light signal that transmits from optical fiber pick-up probe, be used for rearmounted amplifying circuit and the wavelength division multiplexing circuit that amplifies resolved in the output of described pick-up probe, described laser diode, wavelength division multiplexing circuit, pick-up probe and rearmounted amplifying circuit link to each other in turn, and described optical fiber links to each other with the wavelength division multiplexing circuit.
Pick-up probe in described control input module or the analog input module can comprise filter circuit and the Q circuits for triggering M1 that is made of the resistance capacity cell, and the output of described filter circuit links to each other with the input of described Q circuits for triggering.
The transtation mission circuit of the laser diode in described control input module or the analog input module, the receiving loop that can comprise six tunnel parallel connections, all comprise a logic inverter X1 and a resistance R of being connected in series in each loop, the output of described logic inverter X1 connects described resistance R, and input connects the output of described optical wavelength-division multiplex circuit.
Described drive circuit and rearmounted amplifying circuit all can be the standard Transistor-Transistor Logic level and input or output.
Described wavelength division multiplexing circuit can directly adopt ST interface or FC interface.
The utility model comprises control input module and the analog input module that links to each other by optical fiber, described control input module comprises drive circuit, laser diode, wavelength division multiplexing circuit and the pick-up probe that connects in turn, and described optical fiber links to each other with the wavelength division multiplexing circuit.The utility model is applied to the single fiber bi-directional single-shot list of analog video optical transmission and receives optical module, in an optical fiber, realize the transmission of two-way analog signal, forward, reverse dual wavelength can customize with user's request, in addition, described wavelength division multiplexing circuit directly adopts ST interface or FC interface, make multinomial functions such as the utility model delicate structure, integrated multinomial function, the power supply that can utilize its corollary equipment, antistatic, on stability, practicality, improve greatly, and small and exquisite profile, so in assembling and use, outstanding advantage is arranged also.
Description of drawings
Fig. 1 is the utility model circuit block diagram
Fig. 2 is the circuit theory diagrams that receive detection circuit in the utility model.
Fig. 3 is the schematic diagram of transtation mission circuit in the laser diode in the utility model.
Embodiment
As shown in fig. 1, the utility model comprises control input module and the analog input module that links to each other by optical fiber, described control input module comprises drive circuit, laser diode, wavelength division multiplexing circuit and the pick-up probe that connects in turn, described analog input module comprises laser diode, wavelength division multiplexing circuit, pick-up probe and the post amplifier that connects in turn, described drive circuit be input as control data signal, and be Transistor-Transistor Logic level.
The described pick-up probe circuit that is used to receive the Ultra-Low Speed signal, as shown in Figure 2, comprise the filter circuit and the Q circuits for triggering M1 that constitute by the resistance capacity cell, after the control data input of the Ultra-Low Speed of exporting from described drive circuit, filtering through described filter circuit, and through wavelength division multiplexing by described reception survey receive after, and trigger after amplifying circuit is drawn the output of standard Transistor-Transistor Logic level control data after handling by described circuits for triggering M1.
The described transtation mission circuit that is used to send the laser diode of Ultra-Low Speed signal, as shown in Figure 3, the receiving loop that comprises six tunnel parallel connections, all comprise a logic inverter X1 and a resistance R of being connected in series in each loop, the output of described logic inverter X1 connects described resistance R, and input connects the output of described optical wavelength-division multiplex circuit.
The utility model adopts wavelength-division multiplex technique, realizes the single fiber bi-directional mixed transport of low speed burst mode control signal and high speed analog signal, and the course of work is as follows:
Side circuit: by the driving of control data input through overdrive circuit, make laser diode LD 1 luminous, described laser diode LD 1 issued light ripple is coupled behind wavelength division multiplexing circuit WDM1, after the folding coupling, receive to wavelength division multiplexing circuit WDM2 by Optical Fiber Transmission by described pick-up probe PD2, after handling through described rearmounted amplifying circuit at last, draw the output of standard Transistor-Transistor Logic level control data.
The dotted line loop: analog signal is after modulation, make laser diode LD 2 luminous, described laser diode LD 2 issued light ripples are coupled to optical fiber and are transferred to wave division multiplexing WDM 1 behind described wavelength division multiplexing circuit WDM2, behind described wave division multiplexing WDM 1, be coupled among the pick-up probe PD1 and receive the analog signal output of at last described pick-up probe PD1 being exported.
The utility model has adopted WDM (wavelength division multiplexing) technology to make the transmission that realizes the two paths of data signal in the optical fiber.According to user's needs, forward transmitted adopts analog signal, the analog channel of transmitting terminal or receiving terminal by the user modulate voluntarily, demodulation, digital signal is adopted in the control signal transmission of backward channel, and the TTL interface of standard is provided by module.In addition, optical interface can freely be selected ST or FC interface by the family.
The utility model is because described wavelength division multiplexing circuit directly adopts ST interface or FC interface, wire jumper and SC interface have been reduced, simultaneously, power supply directly links to each other with the electric power system of existing equipment by terminal pin, need not special power supply circuits, make the utility model deft design, can directly embed in the existing equipment, in video camera, can directly utilize the feed system in the equipment simultaneously, need not outside special power supply circuits, control box and feed system have been saved, make supervisory control system smaller and more exquisite, reliably, also can be installed on client's the device panel, directly draw the light connectivity port of ST or FC.
The utility model designs at the analog video optical transmission specially, can effectively handle the single fiber bi-directional mixed transport of low rate burst mode digital signal and high speed analog signal.Wherein, described burst mode refers to that the signal that transmits is not continuous, also claims discontinuous formula; And Ultra-Low Speed is meant that transmission rate is lower than 500Kbps/s.And the utility model directly connects FC interface or ST interface by described wavelength division multiplexing circuit, and volume is small and exquisite, can finish the function that tradition needs bulky systems just can finish.Because of its small and exquisite profile, thus original advantage is arranged on fit, thus can be assemblied in device interior, utilize the electric power system of original equipment, promptly simplified operation, improved stability again, the utility model can be widely used in fields such as security protection, industrial monitoring.Especially build developed regions relatively early, this product can make the utilance of existing fiber resource improve greatly.
More than single fiber bi-directional burst mode optical module group provided by the utility model is described in detail, used specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (6)
1. single fiber bi-directional burst mode optical module group, comprise the control input module and the analog input module that link to each other by optical fiber, it is characterized in that: described control input module comprises a drive circuit that is used to drive described control signal input, be used for described control data signal be converted into light signal laser diode, be used to receive the pick-up probe and the wavelength division multiplexing circuit of the light signal that transmits from described optical fiber, described drive circuit, laser diode wavelength division multiplexing circuit link to each other in turn with pick-up probe, and described optical fiber links to each other with the wavelength division multiplexing circuit.
2. single fiber bi-directional burst mode optical module group according to claim 1, it is characterized in that: described analog input module comprise one be used for analog signal input be converted into light signal laser diode, be used to receive the light signal that transmits from optical fiber pick-up probe, be used for rearmounted amplifying circuit and the wavelength division multiplexing circuit that amplifies resolved in the output of described pick-up probe, described laser diode, wavelength division multiplexing circuit, pick-up probe and rearmounted amplifying circuit link to each other in turn, and described optical fiber links to each other with the wavelength division multiplexing circuit.
3. single fiber bi-directional burst mode optical module group according to claim 2, it is characterized in that: the pick-up probe in described control input module or the analog input module comprises filter circuit and the Q circuits for triggering M1 that is made of the resistance capacity cell, and the output of described filter circuit links to each other with the input of described Q circuits for triggering.
4. single fiber bi-directional burst mode optical module group according to claim 2, it is characterized in that: the transtation mission circuit of the laser diode in described control input module or the analog input module, the receiving loop that comprises six tunnel parallel connections, all comprise a logic inverter X1 and a resistance R of being connected in series in each loop, the output of described logic inverter X1 connects described resistance R, and input connects the output of described optical wavelength-division multiplex circuit.
5. according to claim 1 or 2 or 3 or 4 described single fiber bi-directional burst mode optical module groups, it is characterized in that: described drive circuit and rearmounted amplifying circuit all input or output for the standard Transistor-Transistor Logic level.
6. according to claim 1 or 2 or 3 or 4 described single fiber bi-directional burst mode optical module groups, it is characterized in that: described wavelength division multiplexing circuit directly adopts ST interface or FC interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201302912U CN2836342Y (en) | 2005-11-03 | 2005-11-03 | Single-fiber bidirectional burst-mode optical module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201302912U CN2836342Y (en) | 2005-11-03 | 2005-11-03 | Single-fiber bidirectional burst-mode optical module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2836342Y true CN2836342Y (en) | 2006-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005201302912U Expired - Fee Related CN2836342Y (en) | 2005-11-03 | 2005-11-03 | Single-fiber bidirectional burst-mode optical module |
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| CN (1) | CN2836342Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102164006A (en) * | 2011-03-15 | 2011-08-24 | 成都新易盛通信技术有限公司 | Dual-channel compact small from-factor pluggable circuit |
| CN108123754A (en) * | 2017-12-18 | 2018-06-05 | 江苏奥雷光电有限公司 | A kind of two-way band burst function miniaturization photo-electricity converter |
| CN109586422A (en) * | 2018-11-15 | 2019-04-05 | 北京宇航系统工程研究所 | A kind of using the wireless arrow of laser radio power supply and laser wireless communication interface |
-
2005
- 2005-11-03 CN CNU2005201302912U patent/CN2836342Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102164006A (en) * | 2011-03-15 | 2011-08-24 | 成都新易盛通信技术有限公司 | Dual-channel compact small from-factor pluggable circuit |
| CN102164006B (en) * | 2011-03-15 | 2014-10-22 | 成都新易盛通信技术股份有限公司 | Dual-channel compact small from-factor pluggable circuit |
| CN108123754A (en) * | 2017-12-18 | 2018-06-05 | 江苏奥雷光电有限公司 | A kind of two-way band burst function miniaturization photo-electricity converter |
| CN109586422A (en) * | 2018-11-15 | 2019-04-05 | 北京宇航系统工程研究所 | A kind of using the wireless arrow of laser radio power supply and laser wireless communication interface |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WANGDONG PHOTOELECTRIC TECHNOLOGY CO., LTD., CHENG Free format text: FORMER OWNER: HUANG LAN Effective date: 20120518 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 610081 CHENGDU, SICHUAN PROVINCE TO: 610041 CHENGDU, SICHUAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120518 Address after: 610041 Sichuan province Chengdu city Chengdu high tech Zone Gaopeng Avenue No. 11 Patentee after: Wangdong Photoelectric Technology Co., Ltd., Chengdu City Address before: 610081 Sichuan city in Chengdu Province, a Shunsha Huan Lu Bei San Duan, Lane 8, CSG building A block 9 floor Patentee before: Huang Lan |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610041 Sichuan province Chengdu city Chengdu high tech Zone Gaopeng Avenue No. 11 Patentee after: Chengdu Neton Optoelectronic Technologies Co., Ltd. Address before: 610041 Sichuan province Chengdu city Chengdu high tech Zone Gaopeng Avenue No. 11 Patentee before: Wangdong Photoelectric Technology Co., Ltd., Chengdu City |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061108 Termination date: 20141103 |
|
| EXPY | Termination of patent right or utility model |