CN201550117U - Low-speed optical interface transmission equipment - Google Patents
Low-speed optical interface transmission equipment Download PDFInfo
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- CN201550117U CN201550117U CN2009202037946U CN200920203794U CN201550117U CN 201550117 U CN201550117 U CN 201550117U CN 2009202037946 U CN2009202037946 U CN 2009202037946U CN 200920203794 U CN200920203794 U CN 200920203794U CN 201550117 U CN201550117 U CN 201550117U
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- 230000005693 optoelectronics Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- 238000012423 maintenance Methods 0.000 description 2
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Abstract
The utility model relates to low-speed optical interface transmission equipment, which comprises an optical-electrical converter and a protocol converter, wherein the input terminal of the optical-electrical converter is connected with optical signals; the input terminal of the optical-electrical converter the outputs electrical signals which are transmitted to the protocol converter through a net port; the protocol converter converts net port signals or serial port signals into E1 signals to be output; the protocol converter comprises a power supply unit, a CPU unit, an Ethernet unit, a serial unit, a CAN network unit, a RAM, a ROM, a FLASH and a work indicating lamp unit which are connected with each other through a CAN bus; the input terminal of the CPU unit is connected with the input terminal of the optical-electrical converter; and the Ethernet unit, the serial unit and the CAN network unit are connected with different communication equipment or systems. The low-speed optical interface transmission equipment realizes the integration of the three functions of optical-electrical conversion/ protocol conversion/circuit harmless conversion, realizes the communication among terminals of different manufacturers, and also realizes the relaying protection of the transmission equipment.
Description
Technical field
The utility model relates to the Protection Technology of power communication system, specifically low speed optical interface transmission equipment.
Background technology
Along with the develop rapidly of the power industry communication technology, more and more higher for the requirement of the aspects such as variation, fail safe and reliability of Content of Communication.
Because device category is various in the power communication system, communication protocol, the interface of each producer's product are not quite similar, but need to carry out intercommunication between many systems, and this has just impelled the generation of low speed optical interface transmission equipment.
Existing product has very big defective, it is more single to be mainly reflected in protocol conversion, generally only support a kind of agreement or several agreement, and new product and old product agreement and interface are not general, it is constant to bring for the transmission of signal and control, and that is to say to provide unified standard for the telecommunication transmission equipment of circuit and the optical interface of terminal traffic equipment room.Do not meet at present the product of power department communication protocol in the communication system fully, make the transport communication equipment room not have unified and standard optical interface, cause the coded formats different between communication equipment can't intercommunication.
The utility model content
At above shortcomings part in the prior art, the technical problems to be solved in the utility model provides a kind of low speed optical interface transmission equipment of realizing with different manufacturers communication equipment and intercommunication of terminal traffic apparatus interconnection and relaying protection function.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
The utility model low speed optical interface transmission equipment comprises optical-electrical converter and protocol converter, wherein, the input incoming light signal of optical-electrical converter, the output output signal of telecommunication is transferred to protocol converter through network interface, and protocol converter converts network interface signal or rs 232 serial interface signal the output of to E1 signal.
Described protocol converter comprises power subsystem, CPU element, Ethernet unit, serial unit, CAN net unit, RAM, ROM, FLASH and relay indicating light unit, and above-mentioned each unit and parts connect by the CAN bus; The input of CPU element links to each other with the output of optical-electrical converter, and Ethernet unit, serial unit and CAN net unit are connected to different communication equipments or system.
The utlity model has following beneficial effect and advantage:
1. the utility model realizes that it is one that opto-electronic conversion/protocol conversion/circuit not damaged switches three functions, adapts to the optical interface of different manufacturers terminal, realizes the intercommunication of different manufacturers terminal interconnect, and realizes the transmission equipment of relaying protection.
2. adapt to IEEE C37.94 standard light interface, save the multiplexing link of MUX/DMUX, transmission route 1+1 not damaged switches, improve safety of transmission, reliability, article two, transmission route time delay alignment, solve because time delay changes the terminal influence, but each section circuit quality in the test communications link, for the circuit maintenance provides test condition.
Description of drawings
Fig. 1 is the connection diagram of the utility model in communication system;
Fig. 2 is the utility model structured flowchart;
Fig. 3 is the protocol converter structured flowchart in the utility model;
Fig. 4 is a serial unit electrical schematic diagram in the utility model;
The software systems pie graph that Fig. 5 adopts for the utility model.
Embodiment
As shown in Figure 1, when using, the utility model is installed between the terminal equipment and transmission equipment of power communication system.
As shown in Figure 2, the utility model low speed optical interface transmission equipment comprises optical-electrical converter and protocol converter, wherein, the input incoming light signal of optical-electrical converter, the output output signal of telecommunication is transferred to protocol converter through network interface, and protocol converter converts network interface signal or rs 232 serial interface signal the output of to E1 signal.
As shown in Figure 3, protocol converter comprises power module, CPU element, Ethernet unit, serial unit, CAN net unit, RAM, ROM, FLASH and relay indicating light unit, and above-mentioned each unit and parts communicate connection by the CAN bus; The input of CPU element links to each other with the output of optical-electrical converter, and Ethernet unit, serial unit and CAN net unit are connected to different communication equipments or system.
Optical-electrical converter is commercial product, uses in the occasion that has light signal to use.It is the technical grade gigabit optical-electrical converter of MC-101G that present embodiment adopts model, and this transducer aims at harsh industrial environment and designs, and can change between 10/100/1000BaseT (X) and 1000BaseSX/LX/LHX/ZX.Its reliable technical grade design can guarantee your automated system free of discontinuities stable operation, and each IMC-101G optical-electrical converter also is equipped with one to be used for the output relay that system's power down, network outage are reported to the police, the loss that can the minimizing system machine of delaying brings.These series of products can provide standard model (0～60 ℃ of working temperature) and wide temperature range type number (working temperature-40～75 ℃).All IMC-101G have passed through 100% strict burn in process.Its technical parameter is as follows:
Standard
IEEE802.3，802.3z；
Interface
RJ45 port: 10/100/1000BaseT (X);
Light mouth: optional 1000BaseSX/LX/LHX/ZX (LC interface);
LED light: PWR1, PWR2, FAULT, 10/100M (TP), 1000M (TP and Guang Kou);
Optical fiber
Distance:
Multimode:
1000BaseSX：0～500m，850nm(50/125μm，400MHz*km)
0～275m，850nm(62.5/125μm，200MHz*km)
1000BaseLX：0～1100m，1310nm(50/125μm，800MHz*km)
0～550m，1310nm(62.5/125μm，500MHz*km)
Single mode:
1000BaseLX：0～10km，1310nm(9/125μm，3.5PS/(nm*km))
1000BaseLHX：0～40km，1310nm(9/125μm，3.5PS/(nm*km))
1000BaseZX：0～80km，1550nm(9/125μm，19PS/(nm*km))
Power supply
Input voltage: 24VDC (12～45VDC), redundant input;
Input current (@24V): 0.2A;
Connected mode: but the binding post of plug;
Overload current protection: 1.1A;
Reverse connecting protection: provide.
Protocol converter comprises power subsystem, CPU element, Ethernet unit, serial unit, CAN net unit, RAM, ROM, FLASH and relay indicating light unit, and above-mentioned each unit and parts communicate connection by the CAN bus; The input of CPU element links to each other with the output of optical-electrical converter, and Ethernet unit, serial unit and CAN net unit are connected to different communication equipments or system.CPU element is the core of protocol converter, is used to control the operation of other unit and the processing of upper layer communication stipulations.CPU adopts 32 S3C2410 single-chip microcomputers of Samsung in the present embodiment, has very strong disposal ability.Storage system is selected the single-chip microcomputer mass storage device for use, and ROM has the capacity of 1M byte, and RAM is the 2M byte, and FLASH is the 2M byte, and these provide reliable guarantee for the operation of CPU fast and stable.The equal height optimization of software systems and data system can be realized big capacity real-time data base, also provides necessary support for inserting more equipment simultaneously.CPU uses ANSI C programming, makes program have very strong reliability, portability, maintainability and very high efficient.
There are 2 10M ethernet controllers the Ethernet unit, adopts the input and output mode of standard, and 2 controllers transmit the data of coming up except being used for receiving, control devices such as protection from the factory station, observing and controlling, also can be used to forwarding data such as backstage or scheduling.
As shown in Figure 4, serial unit comprises 2 groups of serial ports control loops, is controlling 4 serial ports operations.232/485/422 mode of operation of serial ports can be changed by maintenance software by software setting.Serial ports all can be used for data acquisition and data forwarding.
Operational environment of the present utility model satisfies following requirement and gets final product:
A) ambient temperature: work :-25 ℃～+ 50 ℃, mean temperature is no more than 35 ℃ in the 24h.Store :-25 ℃～+ 70 ℃, under limiting value, do not apply energizing quantity, irreversible variation does not appear in device, and after temperature was recovered, device can operate as normal.
B) relative humidity: the maximum relative humidity of the wettest month monthly average is 90%, and the mean monthly maximum temperature of this moon is 25 ℃ and the no condensation in surface.When maximum temperature was+40 ℃, average maximum relative humidity was no more than 50%.
C) atmospheric pressure: 80～110kPa (height above sea level 2km is following relatively).
Rated power supply: direct current 110～340V
Exchange 85～264V 47Hz～60Hz
Power loss:＜10W
Operation principle of the present utility model is as follows: at first by optical-electrical converter the light signal and the signal of telecommunication that receives carried out opto-electronic conversion, the unified signal of telecommunication that is converted to, because the agreement difference of each producer, so will carry out protocol conversion through protocol converter, the E1 light signal of conversion back output unified standard is transferred to different communication equipments or system through adaptation network separately.
As shown in Figure 5, the software systems that the utility model adopts comprise operating system, hardware driving, collection stipulations, real-time data base, forwarding stipulations, maintenance management totally five parts, as shown in the figure.It is different with practical application with forwarding stipulations part wherein to gather stipulations, may comprise multiple stipulations, several stipulations modules.
The utility model low speed optical interface transmission equipment adopts opto-electronic conversion and protocol conversion; realization is to guard signal; stable signal carries out on-line performance and detects and analyze; and provide interface specification unified between transmission equipment; the disparate modules that makes the different coded format of use in the communication system is (in the electric power system; terminal equipment; transmission equipment; low speed optical interface transmission equipment or the like; can be considered as the module in the system) between also can intercommunication; standard the telecommunication transmission equipment of power communication transmission line and the optical interface standard of terminal traffic equipment room; so that allow the terminal traffic equipment of different manufacturers production and different manufacturers production telecommunication transmission equipment to interconnect fully; employing has this Nx64kbit/s (N=1; 2,3...12) the terminal traffic equipment of low rate optical interface and telecommunication transmission equipment are not subjected to any restriction when interconnecting.Equipment is when using 50/62.5 μ m multimode fiber, and transmission range is greater than 2Km, and when using 9/125 μ m monomode fiber, transmission range can reach more than the 50Km.
Claims (2)
1. low speed optical interface transmission equipment, it is characterized in that: comprise optical-electrical converter and protocol converter, wherein, the input incoming light signal of optical-electrical converter, the output output signal of telecommunication is transferred to protocol converter through network interface, and protocol converter converts network interface signal or rs 232 serial interface signal the output of to E1 signal.
2. by the described low speed optical interface of claim 1 transmission equipment, it is characterized in that: described protocol converter comprises power subsystem, CPU element, Ethernet unit, serial unit, CAN net unit, RAM, ROM, FLASH and relay indicating light unit, above-mentioned each unit and parts connect by the CAN bus; The input of CPU element links to each other with the output of optical-electrical converter, and Ethernet unit, serial unit and CAN net unit are connected to different communication equipments or system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202037946U CN201550117U (en) | 2009-09-30 | 2009-09-30 | Low-speed optical interface transmission equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202037946U CN201550117U (en) | 2009-09-30 | 2009-09-30 | Low-speed optical interface transmission equipment |
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| CN201550117U true CN201550117U (en) | 2010-08-11 |
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| CN2009202037946U Expired - Fee Related CN201550117U (en) | 2009-09-30 | 2009-09-30 | Low-speed optical interface transmission equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102855143A (en) * | 2012-09-29 | 2013-01-02 | 南京国电南自轨道交通工程有限公司 | Universal communication frame in SCADA (supervisory control and data acquisition) system |
| CN105122686A (en) * | 2012-10-22 | 2015-12-02 | 康宁光电通信有限责任公司 | Receiver optical assemblies (ROAS) having photo-detector remotely located from transimpedance amplifier, and related components, and methods |
-
2009
- 2009-09-30 CN CN2009202037946U patent/CN201550117U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102855143A (en) * | 2012-09-29 | 2013-01-02 | 南京国电南自轨道交通工程有限公司 | Universal communication frame in SCADA (supervisory control and data acquisition) system |
| CN102855143B (en) * | 2012-09-29 | 2015-10-21 | 南京国电南自轨道交通工程有限公司 | All purpose communication framework in a kind of SCADA system |
| CN105122686A (en) * | 2012-10-22 | 2015-12-02 | 康宁光电通信有限责任公司 | Receiver optical assemblies (ROAS) having photo-detector remotely located from transimpedance amplifier, and related components, and methods |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20140930 |
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| EXPY | Termination of patent right or utility model |