CN102833005A - Plastic optical fiber optical transceiver for industrial control bus system - Google Patents
Plastic optical fiber optical transceiver for industrial control bus system Download PDFInfo
- Publication number
- CN102833005A CN102833005A CN2012103214978A CN201210321497A CN102833005A CN 102833005 A CN102833005 A CN 102833005A CN 2012103214978 A CN2012103214978 A CN 2012103214978A CN 201210321497 A CN201210321497 A CN 201210321497A CN 102833005 A CN102833005 A CN 102833005A
- Authority
- CN
- China
- Prior art keywords
- optical
- signal
- module
- industrial
- general line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention belongs to the technical field of industrial control, in particular to a plastic optical fiber optical transceiver for an industrial control bus system. The plastic optical fiber optical transceiver comprises an optical sending unit and an optical receiving unit, wherein the optical sending unit comprises an input signal conversion module and an optical sending module, the optical receiving unit comprises an optical receiving module and an output signal conversion module, the optical sending unit and the optical receiving unit are communicated via plastic optical fiber, the input signal conversion module is used for receiving an electric input signal, and transforming and transmitting the electric input signal to the optical sending module, the optical sending module is used for outputting a corresponding optical signal according to the received optical signal and transmitting to the output signal conversion module, and the output signal conversion module is used for processing the optical signal and outputting to a controlled end of an industrial control bus. The plastic optical fiber optical transceiver can be used in parallel, so that dual-way full-duplex transmission of an industrial control signal is realized. The plastic optical fiber optical transceiver is simple in structure, stable and reliable communication effect can be still realized in a complicated electromagnetic environment, so that the risk of communication interrupt caused by electromagnetic interference due to the application of a metal cable is prevented.
Description
Technical field
The invention belongs to the industrial control technology field, be specifically related to a kind of plastic fiber optical transceiver that is used for industrial-controlled general line.
Background technology
Industrial control system becomes increasingly complex, and electromagnetic environment is also more and more abominable, how to guarantee that control command is current smooth and easy, provides stable communication line most important.The common transmission range of present industrial-controlled general line is longer; And might be through whole system; And the metallic cable circuits that adopt of communication bus wherein are communicated with communication to realize it more, finally cause it to stand various interference, have had a strong impact on its actual communication quality; Mostly the method for in the past tackling above-mentioned interference is to avoid disturbing to guarantee it through special shield member is set separately outside the metallic cable circuit, not only brings higher electromagnetic shielding cost, can't accomplish to shield fully simultaneously; In addition, the independence of shield member is provided with and brings difficulty for especially the actual installation and the operation of its total system.In view of the foregoing, the part technical staff of this area also once considered to adopt silica fiber to realize the reliable and stable transmission destination of above-mentioned signal; Yet, since technological at present limitation, the supporting defective that has equipment cost height, silica fiber pliability difference of silica fiber is particularly outstanding especially in the time of especially usually need carrying out using in the crooked operational environment to transmission line; In addition; Silica fiber requires high for the end face smoothness of two ends interface; Often when actual installation, need installation personnel to carry special shearing and milling tool to guarantee its installation quality, these have all caused it to be difficult to be able to extensive use at industrial control field.How to develop a cover communication line stable, reliable communicating can still can be provided under complex electromagnetic environment, for those skilled in the art compel technical barrier to be solved.
Summary of the invention
The purpose of this invention is to provide a kind of plastic fiber optical transceiver that is used for the industrial-controlled general line system simple in structure; So that stable, reliable communication line to be provided under complex electromagnetic environment, thereby stop because of using the metallic cable circuit to receive electromagnetic interference to cause the danger of communication disruption.
For realizing above-mentioned purpose; The present invention has adopted following technical scheme: a kind of plastic fiber optical transceiver that is used for the industrial-controlled general line system; Comprise light transmitting element and light receiving unit; Said smooth transmitting element comprises the input signal conversion module of the outside industrial-controlled general line control end that is used to plug into and the optical transmission module that connects input signal conversion module output; What said light receiving unit comprised Optical Receivers and connected its output is used to plug into the output signal transformation module of outside industrial-controlled general line controlled end, is communicated with by plastic fiber between optical transmission module output and Optical Receivers input; After the input signal conversion module receives the electrical input signal of outside industrial-controlled general line control end and is converted into the signal that can drive optical transmission module; Optical transmission module transfers to the Optical Receivers at light receiving unit place according to the signal of telecommunication output corresponding light signal that receives and by plastic fiber; Optical Receivers receives above-mentioned light signal and converts it to the signal of telecommunication; Transfer to output signal transformation module; Output signal transformation module is the receptible signal format of industrial-controlled general line controlled end with signal transformation, exports the industrial-controlled general line controlled end to.
Major advantage of the present invention is: during actual the use; Send electric control signal by the industrial-controlled general line control end; The light transmitting element converts above-mentioned electric control signal into light signal; Via the plastic fiber transmission, arrival receives above-mentioned light signal and is converted into the signal of telecommunication through the light receiving unit that is docked with plastic fiber other end place again behind the destination, to realize the signal transmission destination for the industrial-controlled general line controlled end.Adopt plastic fiber transmission mode simple in structure and that cost is low owing to having abandoned traditional metallic cable communication mode; Thereby avoided communication signal in the transmission way, not receive any electromagnetic interference, guaranteed stability, the reliability of communication line under complex electromagnetic environment.Finally stopped because of using the metallic cable circuit to receive electromagnetic interference to cause the danger of communication disruption; Simultaneously, plastic fiber is low with its cost, the low advantage of interface cross section processing request, obviously also is more suitable in operational environment industrial environment complicated and changeable.
Description of drawings
Fig. 1 is a structured flowchart of the present invention;
Fig. 2 is the structured flowchart of parallelly connected compound mode of the present invention.
Embodiment
A kind of plastic fiber optical transceiver that is used for the industrial-controlled general line system; Comprise light transmitting element 10 and light receiving unit 20; Said smooth transmitting element 10 comprises the input signal conversion module 11 of the outside industrial-controlled general line control end that is used to plug into and the optical transmission module 12 that connects input signal conversion module 11 outputs; What said light receiving unit 20 comprised Optical Receivers 21 and connected its output is used to plug into the output signal transformation module 22 of outside industrial-controlled general line controlled end, is communicated with by plastic fiber 30 between optical transmission module 12 outputs and Optical Receivers 21 inputs; After input signal conversion module 11 receives the electrical input signal of outside industrial-controlled general line control end and is converted into the signal that can drive optical transmission module 12; Optical transmission module 12 sends the corresponding light signal according to the signal of telecommunication that receives and is transferred to the Optical Receivers 21 at light receiving unit 20 places by plastic fiber 30; Optical Receivers 21 receives above-mentioned light signal and converts it to the signal of telecommunication; Export output signal transformation module 22 to; Output signal transformation module 22 is the receptible signal format of industrial-controlled general line controlled end with signal transformation again, exports the industrial-controlled general line controlled end to.
During actual the use; Its operating state is as shown in Figure 1: a sends electric control signal by the industrial-controlled general line control end; Because the signal of industrial-controlled general line control end a output is a Transistor-Transistor Logic level; Input signal translation circuit 11 can't directly drive optical transmission module 12, so need can drive signal transformation the signal format of Optical Receivers; After light transmitting element 10 converts above-mentioned electric control signal into light signal, via plastic fiber 30 transmission; Equally, be Transistor-Transistor Logic level because industrial-controlled general line controlled end b receives, therefore exporting signal conversion circuit need be Transistor-Transistor Logic level with the conversion of signals of Optical Receivers 21 outputs, to realize signal transmission and the control purpose for industrial-controlled general line controlled end b.Adopt plastic fiber transmission mode simple in structure and that cost is low owing to having abandoned traditional metallic cable communication mode; Thereby avoided transmission signals in the communication way, not receive any electromagnetic interference; Guaranteed stable, the reliable transmission of communication line under complex electromagnetic environment; Guaranteed the stability and the reliability of communication, finally stopped because of using the metallic cable circuit to receive electromagnetic interference to cause the danger of communication disruption; Simultaneously; Plastic fiber is low with its cost, the port cross section of plugging into requires low advantage; Even the line body is twisted circle around also not influencing its serviceability; Extremely low to the fitting operation requirement simultaneously, directly draw the disconnected port of can realizing in case of necessity and install through cutter, obviously be more suitable in the industrial environment of and urgent need efficient complicated and changeable in operational environment.
Practical implementation side of the present invention flow process is: when industrial-controlled general line control end a when industrial-controlled general line controlled end b sends signal; Smooth transmitting element 10 of the present invention is a 650nm wavelength light signal with the electrical signal conversion of control end, to be implemented in the transfer function in the plastic fiber; After light receiving unit 20 of the present invention received the light signal next by the plastic fiber transmission, the light signal with its 650nm wavelength converted the signal of telecommunication into again, gives industrial-controlled general line controlled end b, finally accomplishes the signal transmission.
Certainly, it is a kind of that the implementation of such scheme of the present invention does not terminate in above-mentioned one-way transmission.When practice, the formation parallel connection that the present invention can also be as shown in Figure 2 with it is provided with, thereby realizes the transmitted in both directions function of industry control message; Be specially the frame of broken lines up and down that it is shown in Figure 2 and be defined as the two ends of industrial system, an end comprises industrial-controlled general line control end 1 and controlled end 1, and the other end then comprises industrial-controlled general line controlled end 2 and control end 2 accordingly; No matter be by industrial-controlled general line control end 1 to industrial-controlled general line controlled end 2 send signals or by industrial-controlled general line control end 2 when industrial-controlled general line controlled end 1 is sent signal; Its signal generation, reception and even handling process are all identical with aforementioned schemes; Thereby use through parallel connection; To realize the bi-directional full-duplex transmission destination of industry control message, its transmission structure is simple and easy to use, and market prospects are wide.
Claims (1)
1. plastic fiber optical transceiver that is used for the industrial-controlled general line system; Comprise light transmitting element (10) and light receiving unit (20); Said smooth transmitting element (10) comprises the input signal conversion module (11) of the outside industrial-controlled general line control end that is used to plug into and the optical transmission module (12) that connects input signal conversion module (11) output; What said light receiving unit (20) comprised Optical Receivers (21) and connected its output is used to plug into the output signal transformation module (22) of outside industrial-controlled general line controlled end, is communicated with by plastic fiber (30) between optical transmission module (12) output and Optical Receivers (21) input; Input signal conversion module (11) plug into the electrical input signal of outside industrial-controlled general line control end and it is transformed to the signal that can drive optical transmission module (12) after; Optical transmission module (12) transfers to the Optical Receivers (21) that light receiving unit (20) is located according to input electrical signal output corresponding light signal and by plastic fiber (30); Optical Receivers (21) receives above-mentioned light signal and it is transformed to the signal of telecommunication; Transfer to output signal transformation module (22); After output signal transformation module (22) is handled signal again, export the industrial-controlled general line controlled end to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103214978A CN102833005A (en) | 2012-09-04 | 2012-09-04 | Plastic optical fiber optical transceiver for industrial control bus system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103214978A CN102833005A (en) | 2012-09-04 | 2012-09-04 | Plastic optical fiber optical transceiver for industrial control bus system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102833005A true CN102833005A (en) | 2012-12-19 |
Family
ID=47335992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103214978A Pending CN102833005A (en) | 2012-09-04 | 2012-09-04 | Plastic optical fiber optical transceiver for industrial control bus system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102833005A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106200547A (en) * | 2016-09-12 | 2016-12-07 | 广州市心德实业有限公司 | A kind of MVR technique antidisturbance control system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0707430A2 (en) * | 1994-10-13 | 1996-04-17 | Nec Corporation | Optical network unit implemented with low-cost line interface cards |
| CN1547349A (en) * | 2003-12-12 | 2004-11-17 | 青岛海达伟业信息电子有限公司 | Optical network card based on PCI bus and plastic optical fibre |
| CN1804673A (en) * | 2005-12-16 | 2006-07-19 | 江苏华山光电有限公司 | 650nm plastic optical fiber transmission system |
| CN101527602A (en) * | 2008-09-12 | 2009-09-09 | 东莞市一普实业有限公司 | Optical fiber transceiver module and plastic optical fiber communication system |
-
2012
- 2012-09-04 CN CN2012103214978A patent/CN102833005A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0707430A2 (en) * | 1994-10-13 | 1996-04-17 | Nec Corporation | Optical network unit implemented with low-cost line interface cards |
| CN1547349A (en) * | 2003-12-12 | 2004-11-17 | 青岛海达伟业信息电子有限公司 | Optical network card based on PCI bus and plastic optical fibre |
| CN1804673A (en) * | 2005-12-16 | 2006-07-19 | 江苏华山光电有限公司 | 650nm plastic optical fiber transmission system |
| CN101527602A (en) * | 2008-09-12 | 2009-09-09 | 东莞市一普实业有限公司 | Optical fiber transceiver module and plastic optical fiber communication system |
Non-Patent Citations (1)
| Title |
|---|
| 张廷录等: ""一种工业控制总线剖析"", 《黑龙江自动化技术与应用》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106200547A (en) * | 2016-09-12 | 2016-12-07 | 广州市心德实业有限公司 | A kind of MVR technique antidisturbance control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110784263B (en) | Optical fiber transmission device with redundancy function based on FPGA | |
| CN101296091A (en) | Method for conveying electric power and serial bus signal based on Ethernet cable | |
| CN102055634A (en) | CAN node interconnection device based on optical fibers | |
| CN107682084A (en) | A kind of photoelectric communication conversion equipment and photoelectric communication system | |
| CN102833005A (en) | Plastic optical fiber optical transceiver for industrial control bus system | |
| CN203193608U (en) | High isolation direct splice half-duplex communication interface module for interconnection of multiple controllers | |
| CN103312407B (en) | The high accuracy transmission method of time frequency signal between a kind of satellite borne equipment | |
| CN203563091U (en) | An Ethernet switch with an EoC port | |
| CN203595923U (en) | RS485 star-type photoelectric hybrid transmission equipment | |
| CN202189463U (en) | M-bus host of collector | |
| CN201509189U (en) | 485 interface converter | |
| CN201945716U (en) | Optical fiber connector | |
| CN212278375U (en) | Novel special host computer of module communication is kept apart to multiple serial ports | |
| CN202395780U (en) | 100Mbps Ethernet optical fiber transceiver | |
| CN205051134U (en) | 100G cable module based on CFP2 interface | |
| CN110708119A (en) | Multi-path 1553B bus optical fiber relay device and method | |
| CN204442400U (en) | A kind of mining RS-485 isolates repeater | |
| CN204013549U (en) | A kind of CAN bus network based on optical fiber communication | |
| CN205051133U (en) | 100G cable module based on CFP4 interface | |
| CN204681396U (en) | A kind of multiplexer channel multiple devices | |
| CN202737865U (en) | PHY TO PHY onboard connection device in short-distance communication | |
| CN216772411U (en) | 4-channel RS485 expansion board based on anti-surge technology | |
| CN210327617U (en) | CAN Bus communication module | |
| CN203616628U (en) | Differential signal-based unibus transmission device | |
| CN202331443U (en) | Internal structure for electric remote-control communication equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121219 |