CN203590232U - Plastic fiber single-core half-duplex communication module - Google Patents
Plastic fiber single-core half-duplex communication module Download PDFInfo
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- CN203590232U CN203590232U CN201320807312.4U CN201320807312U CN203590232U CN 203590232 U CN203590232 U CN 203590232U CN 201320807312 U CN201320807312 U CN 201320807312U CN 203590232 U CN203590232 U CN 203590232U
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- plastic fiber
- duplex
- communication
- communication module
- shaven head
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- 230000006854 communication Effects 0.000 title claims abstract description 68
- 238000004891 communication Methods 0.000 title claims abstract description 68
- 239000004033 plastic Substances 0.000 title claims abstract description 48
- 229920003023 plastic Polymers 0.000 title claims abstract description 48
- 239000000835 fiber Substances 0.000 title claims abstract description 47
- 230000003287 optical effect Effects 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 description 8
- 230000006855 networking Effects 0.000 description 3
- 230000007175 bidirectional communication Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002990 reinforced plastic Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Abstract
The utility model provides a plastic fiber single-core half-duplex communication module. The plastic fiber single-core half-duplex communication module comprises a light transceiver, a driving circuit and a communication interface, wherein the communication interface comprises a receiving port and a sending port, the light transceiver is respectively connected with the driving circuit and the communication interface, the light transceiver comprises two plastic fiber half-duplex light heads, an output end of each plastic fiber half-duplex light head is respectively connected with an input end of the driving circuit and the receiving port, and input ends of the plastic fiber half-duplex light heads are connected with an output end of the driving circuit. Compared with the prior art, the plastic fiber single-core half-duplex communication module can avoid a traditional CPU processing mode when a communication line is in fault, greatly improves reliability of the communication module, realizes an automatic relay function of the communication module and effectively solves a communication distance constraint problem of a plastic fiber unit node.
Description
Technical field
The utility model relates to a kind of communication module of plastic fiber, is specifically related to a kind of plastic fiber list core half-duplex operation module that is applicable to.
Background technology
Plastic fiber is as a kind of Novel Communication cable, there is the features such as transmission data reliability is high, good stability, real-time, capacity is large, cost is low, easy construction, can be applicable to the particular surroundingss such as high electric field, high-intensity magnetic field, thunder and lightning hotspots, be applied at present the fields such as Smart Home, automotive electronics.But because plastics networking mode often adopts single work series and parallel network, and communication distance constraint (<100M), therefore, its network stabilization, reliability and transmission range problem have restricted the application of plastic fiber always.Therefore provide the stability of a kind of reinforced plastics greatly networking and the communication network of reliability to seem particularly important.
Summary of the invention
For meeting the needs of prior art, the utility model provides a kind of plastic fiber list core half-duplex operation module, and described communication module comprises optical transceiving device, drive circuit and communication interface; Described communication interface comprises receiving port and transmit port; Described optical transceiving device is connected with described drive circuit, described communication interface respectively.
Preferably, described optical transceiving device comprises two plastic fiber half-duplex shaven heads; Described in each, the output of plastic fiber half-duplex shaven head is connected with the input of described drive circuit, described receiving port respectively; The input of described plastic fiber half-duplex shaven head is connected with the output of described drive circuit;
Preferably, described optical transceiving device transmits the signal of communication of described plastic fiber half-duplex shaven head output by described receiving port;
Preferably, described drive circuit amplifies the output signal of described plastic fiber half-duplex shaven head, and drives described optical transceiving device superior communication module or subordinate's communication module to send signal of communication;
Preferably, described drive circuit comprises that gate circuit drives chip, power supply circuits and the connecting circuit being connected with described optical transceiving device, described communication interface respectively.
Compared with prior art, excellent effect of the present utility model is:
A kind of plastic fiber list core half-duplex operation module that the utility model provides can be avoided traditional CPU processing mode when communication line breaks down, and greatly improves the reliability of communication module; Realize the automatic relay function of communication module, effectively solved plastic fiber unit's node communication distance restraint problem; And the bidirectional communication network of the communication module providing based on the utility model is by the hot standby seamless switching technique of application, make network there is good expansibility, when increase, minimizing or mobile node, can guarantee the proper communication of other nodes, and make system possess the ability of long range positioning fault point.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further illustrated.
Fig. 1 is: a kind of plastic fiber list core half-duplex operation modular structure figure that the utility model provides;
Fig. 2 is: the communication network architecture figure of the communication module providing based on the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is clearly and completely described.
For meeting the requirement to the communication stability of optic fibre plastics networking and reliability in prior art, the utility model provides a kind of plastic fiber list core half-duplex operation module as shown in Figure 1, comprises optical transceiving device, drive circuit and communication interface; Optical transceiving device comprises two plastic fiber half-duplex shaven heads; Communication interface comprises receiving port and transmit port; Optical transceiving device is connected with drive circuit, described communication interface respectively;
The output of each plastic fiber half-duplex shaven head is connected with input, the receiving port of drive circuit respectively; The input of plastic fiber half-duplex shaven head is connected with the output of drive circuit; Transmit port is connected with the input of drive circuit; Optical transceiving device transmits the signal of communication of plastic fiber half-duplex shaven head output by receiving port.
Drive circuit comprises that gate circuit drives chip, power supply circuits and the connecting circuit being connected with optical transceiving device, communication interface respectively; Drive circuit amplifies the output signal of plastic fiber half-duplex shaven head, and drives optical transceiving device superior communication module or subordinate's communication module to send signal of communication.
In the utility model embodiment, the transmission path that plastic fiber half-duplex shaven head receives after signal transmission is: plastic fiber half-duplex shaven head 1 → receiving port R → drive circuit → plastic fiber half-duplex shaven head 1 and 2 → higher level communication module and subordinate's communication module; While breaking down in communication line, its transmission path is plastic fiber half-duplex shaven head 1 → receiving port R → drive circuit → plastic fiber half-duplex shaven head 1 → higher level communication module, or plastic fiber half-duplex shaven head 2 → receiving port R → drive circuit → plastic fiber half-duplex shaven head 2 → subordinate communication module.
By above-mentioned transmission path, can when communication line breaks down, avoid traditional CPU processing mode, greatly improve the reliability of communication module; Realize the automatic relay function of communication module, effectively solved plastic fiber unit's node communication distance restraint problem.
The communication network architecture figure of the communication module providing based on the utility model is provided Fig. 2, by sending to communication network the smoothness that do-nothing instruction detects communication network.Do-nothing instruction is according to concentrator → shaven head 1 → shaven head 2 → shaven head 3 → shaven head 4 → shaven head 5 → shaven head 6 → shaven head 7 → shaven head 8 → concentrator or according to the mode closed loop transmission of concentrator → shaven head 8 → shaven head 7 → shaven head 6 → shaven head 5 → shaven head 4 → shaven head 3 → shaven head 2 → shaven head 1 → concentrator.
If communication module 2 faults, its upstream node forms closed loop according to the path of concentrator → shaven head 1 → communication interface → drive circuit → shaven head 1 → concentrator and carries out the reverse transmission of information, and downstream node carries out the reverse transmission of information, moment long range positioning fault point according to the path formation closed loop of concentrator → shaven head 8 → shaven head 7 → shaven head 6 → communication interface → drive circuit → shaven head 6 → shaven head 7 → shaven head 8 → concentrator.
The bidirectional communication network of the communication module providing based on the utility model is by the hot standby seamless switching technique of application, make network there is good expansibility, when increase, minimizing or mobile node, can guarantee the proper communication of other nodes, and make system possess the ability of long range positioning fault point.
Finally should be noted that: described embodiment is only the application's part embodiment, rather than whole embodiment.Embodiment based in the application, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the application's protection.
Claims (5)
1. a plastic fiber list core half-duplex operation module, is characterized in that, described communication module comprises optical transceiving device, drive circuit and communication interface; Described communication interface comprises receiving port and transmit port; Described optical transceiving device is connected with described drive circuit, described communication interface respectively.
2. a kind of plastic fiber list core half-duplex operation module as claimed in claim 1, is characterized in that, described optical transceiving device comprises two plastic fiber half-duplex shaven heads; Described in each, the output of plastic fiber half-duplex shaven head is connected with the input of described drive circuit, described receiving port respectively; The input of described plastic fiber half-duplex shaven head is connected with the output of described drive circuit.
3. a kind of plastic fiber list core half-duplex operation module as claimed in claim 2, is characterized in that, described optical transceiving device transmits the signal of communication of described plastic fiber half-duplex shaven head output by described receiving port.
4. a kind of plastic fiber list core half-duplex operation module as claimed in claim 2, it is characterized in that, described drive circuit amplifies the output signal of described plastic fiber half-duplex shaven head, and drives described optical transceiving device superior communication module or subordinate's communication module to send signal of communication.
5. a kind of plastic fiber list core half-duplex operation module as claimed in claim 1, is characterized in that, described drive circuit comprises that gate circuit drives chip, power supply circuits and the connecting circuit being connected with described optical transceiving device, described communication interface respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320807312.4U CN203590232U (en) | 2013-12-10 | 2013-12-10 | Plastic fiber single-core half-duplex communication module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320807312.4U CN203590232U (en) | 2013-12-10 | 2013-12-10 | Plastic fiber single-core half-duplex communication module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203590232U true CN203590232U (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320807312.4U Expired - Lifetime CN203590232U (en) | 2013-12-10 | 2013-12-10 | Plastic fiber single-core half-duplex communication module |
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| CN (1) | CN203590232U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108173597A (en) * | 2018-01-02 | 2018-06-15 | 青岛海信宽带多媒体技术有限公司 | A kind of optical module, optical line terminal and passive optical network |
-
2013
- 2013-12-10 CN CN201320807312.4U patent/CN203590232U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108173597A (en) * | 2018-01-02 | 2018-06-15 | 青岛海信宽带多媒体技术有限公司 | A kind of optical module, optical line terminal and passive optical network |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |
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| CX01 | Expiry of patent term |