CN203788408U - Special multi-service integrated optical transceiver for electric power - Google Patents
Special multi-service integrated optical transceiver for electric power Download PDFInfo
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- CN203788408U CN203788408U CN201420171227.8U CN201420171227U CN203788408U CN 203788408 U CN203788408 U CN 203788408U CN 201420171227 U CN201420171227 U CN 201420171227U CN 203788408 U CN203788408 U CN 203788408U
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Abstract
The utility model relates to a special multi-service integrated optical transceiver for electric power. The special multi-service integrated optical transceiver for electric power comprises a telephone interface module, a video interface module, an electrical interface module and an optical interface module, realizes multiple services of the optical transceiver, provides a channel for optical fiber communication after voice, video and data processing, can establish a multistage communication network which is composed of an electric power department integrated automatic scheduling system, a power distribution network automatic system and the like via an electric power optical fiber communication network, brings convenience for an electric power monitoring department to obtain operation information such as instrument detection data, equipment failure and field environment of fields like an unattended substation via remote transmission, transmits the operation information to an electric power monitoring platform in ways such as image, voice and data synchronuously, is matched with the existing terminal control system, and realizes the remote sensing, remote control and telemetering of the electric power system. The special multi-service integrated optical transceiver for electric power satisfies the developing service demand of the power grid and the service demand quantity of the electric power communication network substation.
Description
Technical field
The utility model belongs to Substation Automation System field, relates in particular to the multi-service integrated optical transmitter and receiver of a kind of electric power tailored version.
Background technology
At present, the development of electric integrated automatic technology is the integrated automation of transformation stations that the informationization of protection based on electric power system, control module realizes.At present, the power distribution automation that the integrated automation of transformation stations of take is guide is becoming the emerging focus of electric power system, in recent years, along with the raising of China's power transmission network automaticity, the comprehensive automation degree of ground, county's adjusting system and unattended operation transformer station also developed rapidly thereupon and improved.
The multiple operation conditions at unattended operation transformer station scene needs real-time synchronization to be sent to dispatch terminal, and stablizing of guarantee distribution network, guarantees the safety utilization of electric power of power consumer.But the net loaded business of Fiber-optic Communication In Electric Power System mainly contains the conventional telecommunication services such as voice, data at present; Wherein, electrical production specialized service has the required wideband data of protection, automatic safety device and electricity marketization etc.But the vision signals such as monitoring for unattended operation transformer station, shift electrician's operation do not realize synchronous transmission, power automation terminal system cannot realize real time remote video monitoring to electric power operation places such as transformer stations, thereby can effectively prevent potential safety hazard, this is power department urgent problem.
Power telecommunication network is the basis of power network operation management, for power network provides required communications service, is that whole operation of power networks is reliable, the important leverage of production safety scheduling, management.
At present communication of power system has formed province, city, SPInet-IV communication at county level, and the light net synchronous transmission of video, audio frequency, phone, data has become in current communication network quite the problem at the eyebrows and eyelashes.At present, the following user of Huai’an 35KV enterprise is family more than 1000 nearly, the transformer and distribution station of enterprise, each node of electrician's night shift room Distribution Area, its operation power maintenance workload is large, and management cost is high, coordinates Jiangsu Province's electric power networks automation development, transform unattended operation transformer and distribution power station as, set up distribution network comprehensive automation, by existing electric line and power communication system, the transmission that solves much information is necessary.
The electric power optical transmitter and receiver that is applied to distribution network existing in the market, the light transmission that has only solved dispatching telephone and data, video monitoring signal is not considered.
Utility model content
The utility model is for solving the video monitoring signal that do not have that existing electric power optical transmitter and receiver exists, and cannot realize the problem of video signal transmission and a kind of simple in structure, easy to install, multi-service integrated optical transmitter and receiver of electric power tailored version of increasing work efficiency is provided.
The technical scheme that the utility model is taked for the technical problem existing in solution known technology is:
The multi-service integrated optical transmitter and receiver of electric power tailored version of the utility model embodiment, the multi-service integrated optical transmitter and receiver of this electric power tailored version comprises: subdivision connection module, data interface module, optical interface module, electrical interface module, telephony interface module, video interface module, expansion board form;
Be connected with expansion board with data interface module, optical interface module, electrical interface module, telephony interface module, video interface module, be used for the Digital multiplex that adopts Digital multiplex technology and realize digital video, voice, data and ethernet signal with CPLD, realize the subdivision connection module of synchronous transmission;
For data-signal being become to the equipment of light signal transmission, adopt physical interface DB9/DB25/BNC to realize the data interface module of electrical-optical and the conversion of light-electricity;
For connect the optical interface module of optical fiber cable by physical interface light signal;
Being used for providing bnc interface to realize and being connected with 75 Europe coaxial cables, providing transmitting-receiving two passages, is coaxial cable interface, the electrical interface module also connecting for non-equilibrium signal;
For transmitting red, green, blue analog signal and synchronous horizontal and vertical signal, realize the video interface module of display monitoring image;
Adopt RS485 to carry out the telephony interface module that transfer of data provides the incoming end of program controlled telephone;
The utility model can also adopt following technical measures:
Further, video interface module specifically comprises:
The field camera of collection site video information;
Be connected with field camera, receive the analog video signal of field camera, and realize the optical transmitter and receiver transmitting terminal of vision signal electricity/light conversion;
Be connected with optical transmitter and receiver transmitting terminal, receive the light signal of optical transmitter and receiver transmitting terminal conversion, realize the optical transmitter and receiver receiving terminal that light signal is converted to analog signal;
Be connected with optical transmitter and receiver receiving terminal, realize the terminal display that analog signal shows.
Further, telephony interface module also comprises:
Collect the telephone set of on-the-spot sound wave;
Be connected with telephone set, receive the sound wave signal of telecommunication of telephone set, and convert electrical signals to the optical transmitter and receiver transmitting terminal of light signal;
Be connected with optical transmitter and receiver transmitting terminal, receive the light signal of optical transmitter and receiver transmitting terminal conversion, realize the optical transmitter and receiver receiving terminal that light signal is converted to the signal of telecommunication;
Be connected with optical transmitter and receiver receiving terminal, receive the signal of telecommunication of optical transmitter and receiver receiving terminal, and sound wave is converted into the terminal speaker of sound.
Further, the sound wave of telephone set is converted to the signal of telecommunication by the electronics microphone of optical transmitter and receiver transmitting terminal.
Further, data interface module, by the analog signal of on-the-spot voltmeter, ammeter, the output of power factor meter measuring instrument, is light signal after opto-electronic conversion, realizes long-distance transmissions.
Further, video interface module has 15 pins, is divided into 3 rows, 5 holes of every row.
Advantage and the good effect that the utlity model has are: because the utility model arranges telephony interface module, video interface module, electrical interface module and optical interface module, realized the multi-service of optical transmitter and receiver, voice are provided, video, after data processing, carry out the passage of optical fiber communication, can be by means of Power Optical Fiber Communication Network In China power department comprehensive automation dispatching patcher, distribution automation systems etc. form multistage communication network, being convenient to power monitoring department can come the on-the-spot instrument such as unattended operation transformer station to detect data according to remote transmission, equipment fault, the operation informations such as site environment, with image, voice, the mode synchronous transmission such as data are to power monitoring platform, cooperatively interact with existing terminal control system, realized electric power system remote sensing, remote control, remote measurement, the multiple monitor signals such as the video at unattended operation transformer station scene, voice, data, subdivision interface module through optical transmitter and receiver, adopt subdivision connection technology, utilize time-division multiplex technology, different data are merged with separated, be conducive to the Optical Fiber Transmission of much information and access video, voice module separately gather and Graphics Processing.
The utility model also provides multiple interfaces, has met the business demand of power network development, has networking flexibly and adapts to adverse circumstances operation; Meet power telecom network transformer station business demand amount, can reliably support at high speed video image business, speech business, real-time data service and various low speed to control data service etc.
The utility model provides required communications service for power network, that whole operation of power networks is reliable, the important leverage of production safety scheduling, management, after applying on power distribution network power transmission and distribution equipment, can effectively improve low voltage power distribution network reliability, electric power system operation management efficiency can promote 10%, reduces cost of human resources 20%.
The utility model is Comprehensive Automatic System for Substation ground important component part, aspect human resources utilization, alleviated work of electric power system personnel's working strength, improved its operational environment, can Real-time Obtaining unattended operation transformer station, the operation information of remote power equipment, better guaranteed the reliability of electric power system; From economy, power equipment is produced, the design of power automatic system terminal software, and a series of new and high technologies such as monitoring device can drive local area economic development, have following advantage:
(1) video remote monitoring can be monitored environment, the equipment operation condition of unattended operation transformer station in real time, thereby can judge in advance and avoid accident to occur, and is convenient to production safety management person and carries out centralized monitor and management;
(2) the automatic conventional business of carrying electric power: transformer station and monitor terminal traffic communication, accident detection and the functions such as processing of reporting to the police;
(3) transfer of data of the specialized service of the scheduling of carrying electric power scheduling automatization system, control, relay protection function, meter meter function.
Accompanying drawing explanation
Fig. 1 is the structural representation of the multi-service integrated optical transmitter and receiver of electric power tailored version that provides of the utility model embodiment;
Fig. 2 is that the video interface module signal that the utility model embodiment provides is processed schematic diagram;
Fig. 3 is that the telephony interface module by signal that the utility model embodiment provides is processed schematic diagram;
Fig. 4 is that the data interface module signal that the utility model embodiment provides is processed schematic diagram;
Fig. 5 is the structural representation of the subdivision interface module that provides of the utility model embodiment;
Fig. 6 is the design sketch of the concrete application that provides of the utility model embodiment;
Fig. 7 is the subdivision connection technology structured flowchart that the utility model embodiment provides;
Fig. 8 is the video transmission module principle block diagram that the utility model embodiment provides;
Fig. 9 is the video reception module principle block diagram that the utility model embodiment provides;
In figure: 1, subdivision connection module; 1-1, the first clock network; 1-2, signal multiplexing module; 1-3, data processing module; 1-4, transmitted at high speed module; 1-5, second clock network; 1-6, clock recovery module; 1-7, data tapping processing module; 1-8, signal recover module; 2, data interface module; 3, optical interface module; 4, electrical interface module; 5, telephony interface module; 6, video interface module; 7, expansion board.
Embodiment
For further understanding utility model content of the present utility model, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows: the utility model module used belongs to known module, and software has been installed.There is not the innovation of software or method in the utility model.
As shown in Figure 1, the multi-service integrated optical transmitter and receiver of electric power tailored version of the utility model embodiment is mainly comprised of subdivision connection module 1, data interface module 2, optical interface module 3, electrical interface module 4, telephony interface module 5, video interface module 6, expansion board 7;
Subdivision connection module 1 connection data interface module 2, optical interface module 3, electrical interface module 4, telephony interface module 5, video interface module 6 and expansion board 7;
Subdivision connection module connection data interface module, optical interface module, electrical interface module, telephony interface module, video interface module and expansion board, its function is the Digital multiplex that adopts Digital multiplex technology and realized digital video, voice, data and ethernet signal with CPLD (CPLD), to realize synchronous transmission.
Digital multiplexing is that by multiply digital signals (comprising video signal, IP digital signal, audio digital signals etc.), the mode by time division multiplexing (TDMA) becomes Yi Luhe road signal and delivers to optical receiver after secondary multiple connection at optical sender; Digital demulplexing refers to that a high speed is closed to railway digital signal decomposition becomes original tributary signal.As shown in Figure 7, subdivision connection module utilizes CPLD to carry out once answer/tap of design system, then with HP1032/1034 serial/solution serial chip, completes the design of answer/splicing system of secondary, realizes multipath digital video and data and transmits on a cable or optical fiber.
Data interface module is data-signal to be become to the equipment (its effect is exactly mainly to realize electrical-optical and the conversion of light-electricity) of light signal transmission, physical interface: DB9/DB25/BNC.
Optical interface module (RJ45) is conventionally to have the several types such as SC, ST, FC for connecting the physical interface light signal of optical fiber cable, and FC is the abbreviation of FerruleConnector, and its external reinforcing mode is to adopt metallic sheath, and fastening means is thread.ST interface is generally used for 10Base-F, and SC interface is generally used for 100Base-FX.
Electrical interface module (integrated module of optical transceiver) is coaxial cable interface, can provide bnc interface to connect use for 75 Europe coaxial cables, receipts (RX) is provided, sends out (TX) two passages, and it is for the connection of non-equilibrium signal.
Telephony interface module is to provide the incoming end of program controlled telephone, adopts RS485 to carry out transfer of data.
Video interface module is the end of the access of vision signal, has 15 pins, is divided into 3 rows, 5 holes of every row, and its transmission red, green, blue analog signal and synchronizing signal (horizontal and vertical signal), for display monitoring image.Use VGA connection device, length of cable had better not surpass 10 meters, and will notice whether joint is installed firmly, otherwise may cause and in image, occur diplopia.
As shown in Figure 2, the signal processing of the utility model embodiment video interface module is:
By camera acquisition transformer and distribution station site environment, and carry out A/D and be converted to analog video signal, it is BNC signal, by scene, sending optical transmitter and receiver is again converted to light signal and just can in optical cable, implements remote transmission, incoming terminal receives optical transmitter and receiver and is converted to analog electrical signal, on the display screen of electric power dispatching system, shows; The design and fabrication of the optical, electrical change-over circuit of video interface module.
Video interface module specifically comprises:
The field camera of collection site video information;
Be connected with field camera, receive the analog video signal of field camera, and realize the optical transmitter and receiver transmitting terminal of vision signal electricity/light conversion;
Be connected with optical transmitter and receiver transmitting terminal, receive the light signal of optical transmitter and receiver transmitting terminal conversion, realize the optical transmitter and receiver receiving terminal that light signal is converted to analog signal;
Be connected with optical transmitter and receiver receiving terminal, realize the terminal display that analog signal shows.
As shown in Figure 3, the method for the telephony interface module of the utility model embodiment is:
The voice signal at transformer and distribution station scene, is converted to the signal of telecommunication by the electronics microphone of transmitter.This signal amplifies through audio frequency amplifier, and by means of the terminal voltage of an independent transistor controls LED, converts electrical signals to light signal, and transmission.Receiving terminal light signal is irradiated on the photoelectric tube of receiver, is converted to the signal of telecommunication.After being exaggerated and the loud speaker of sending into power scheduling terminal platform be converted to sound wave;
The design and fabrication of the optical, electrical change-over circuit of telephony interface module;
Telephony interface module also comprises:
Collect the telephone set of on-the-spot sound wave;
Be connected with telephone set, receive the sound wave signal of telecommunication of telephone set, and convert electrical signals to the optical transmitter and receiver transmitting terminal of light signal;
Be connected with optical transmitter and receiver transmitting terminal, receive the light signal of optical transmitter and receiver transmitting terminal conversion, realize the optical transmitter and receiver receiving terminal that light signal is converted to the signal of telecommunication;
Be connected with optical transmitter and receiver receiving terminal, receive the signal of telecommunication of optical transmitter and receiver receiving terminal, and sound wave is converted into the terminal speaker of sound.
As shown in Figure 4, the flow process of the data interface module of the utility model embodiment is:
The analog signal of the measuring instrument outputs such as on-the-spot voltmeter, ammeter, power factor meter is light signal after opto-electronic conversion, realizes long-distance transmissions.
The multiple monitor signals such as the video at the unattended operation transformer station scene of the utility model embodiment, voice, data, subdivision interface module through optical transmitter and receiver, adopt subdivision connection technology, utilize time-division multiplex technology, different data are merged with separated, be conducive to the Optical Fiber Transmission of much information and access video, voice module separately gather and Graphics Processing;
As shown in Figure 5, subdivision connection module 1 also comprises: the first clock network 1-1, signal multiplexing module 1-2, data processing module 1-3, transmitted at high speed module 1-4, second clock network 1-5, clock recovery module 1-6, data tapping processing module 1-7, signal recover module 1-8.
The first clock network 1-1 connects signal multiplexing module 1-2, data processing module 1-3 and transmitted at high speed module 1-4; Second clock network 1-5 connects clock recovery module 1-6, data tapping processing module 1-7 and signal recover module 1-8; Transmitted at high speed module 1-4 connects clock recovery module 1-6.
As shown in Figure 5, the function of the first clock network and second clock network is guarantee transfer of data synchronous, known according to time division multiplex communication principle, in each branch road digital signal of Multi-connection unit input, must be synchronous.As shown in Figure 8, video transmission module is comprised of through video amplifier, low-pass filtering, clamper, high-speed a/d conversion camera, and digital multiplexer is that two or more branch road digital signals are merged and become the single railway digital signal that closes by time division multiplexing mode; As shown in Figure 9, video reception module is carried out D/A conversion the digital signal of a tap of CPLD, then by power amplification low-pass filtering, and then export analog video signal after a power amplification, digital demultiplexer is inverse process, and by one, closing railway digital signal decomposition becomes original tributary signal.Digital multiplexer is comprised of timing, adjustment and Multi-connection unit; Digital demultiplexer by synchronously, regularly, tap and recovery unit formed.Timing unit provides unified signal fiducial time to equipment.The timing unit of multiplexer has internal clocking (forming the first clock network).The timing unit of coupler (second clock network) can only be promoted by the clock receiving, by means of the control of lock unit, make coupler fiducial time signal and signal fiducial time of multiplexer keep the phase relation strive for, keep synchronous.
Other signal processing circuits for the ease of optical transmitter and receiver are integrated, improve the integrated level of system, the digitizer of the Clock Extraction that employing CPLD (CPLD chip) is realized.Therefore selected to realize by digital phase-locked loop, the function of data processing module is synchronous processing and the signal adjustment of signal after multiple connection that realizes different transmission branches.
Subdivision connection circuit Principle of Process: adopt a multiplex circuit of CPLD design, 32 railway digital videos and 4 circuit-switched data signals after A/D coding are combined into 8 railway digital videos and l circuit-switched data signal through a 4:1, through HP1032 multiplexing chip, carry out secondary and be multiplexed to a road serial signal, be transferred to receiving terminal, through demultiplexing chip HP1034, carry out tap one time, the circuit of CPLD design carries out secondary tap, reverts to original signal.In a multiple connection process, the synchronizing signal of the synchronizing signal of digital video multiple connection and data multiplexing to be used as to a circuit-switched data deliver to secondary multiple connection and transmit, arrive receiving terminal and isolated synchronizing signal by secondary tap chip, be directly used in the synchronised clock of a tap.
Signal multiplexing module: digital multiplexing is, at optical sender, multiply digital signals (is comprised to video signal, IP digital signal, audio digital signals etc.) mode by time division multiplexing (TDMA) becomes Yi Luhe road signal and delivers to optical receiver after secondary multiple connection;
Transmitted at high speed module: the vision signal by camera or other outputs converts several functional blocks and forms through video amplifier, low-pass filtering, clamper, high-speed a/d, video reception module once divides the digital signal fetching to carry out D/A conversion CPLD, then by low-pass filtering after a power amplification, and then export analog video signal after a power amplification.
Clock recovery module and signal recover module: the transmission of digital signal is all carried out based on certain clock, the transmission of clock has two kinds of methods: the one, and an optical fiber digital communication syst signal transmission code sequence, synchronised clock is directly transmission not, need to from signal, extract; The 2nd, the synchronised clock of digital signal and Simultaneous Transmission of Data are to receiving terminal.
Data tapping processing module: digital demulplexing refers to that a high speed is closed to railway digital signal decomposition becomes original tributary signal.A subdivision connects design and carries out on CPLD (CPLD) chip, will be video during multiple connection, audio frequency, data, the signal transmitting with ethernet module is delivered to HPl032 signal again and is carried out secondary multiple connection and then deliver on light emitting head after primary multiple connection: the signal that photodetector is received is delivered to CPLD chip and carried out tap one time after bis-taps of HPl034, then recovering signal.
The utility model provides data-interface, telephony interface, video interface, audio interface; Video-2 road forward, audio frequency-4 tunnel is unidirectional, 16 tunnels are two-way for phone--16 tunnels, E1/2M--8 road, data--; 24 bit 48K sampling 90DB; Possess higher lightning protection grade, meet electric power lightning protection standard.
In conjunction with Fig. 6, this optical transceiver system capable is divided into transmitting terminal and two parts of receiving terminal, at long-range unattended operation transformer station, transmitting terminal has partly been installed, be connected with camera, monitor in real time and receive on-the-spot equipment running status, after CPLD coding by video processing module and synchronous processing, by Optical Fiber Transmission, from optical fiber, reception control signal is processed simultaneously, to drive camera on The Cloud Terrace to do, rotates and zoom action.The receiving terminal that is installed on electric power terminal system is responsible for fiber-optic signal to carry out synchronous process and CPLD decodes and converts real vision signal to and be presented on terminal display, when if voice, video transmit simultaneously simultaneously, must process so that synchronous transmission through subdivision unit.Fig. 6 is concrete effect figure of the present utility model, the electric power supervisory control places such as unattended operation transformer station connect the electric terminal of transmission, by video, voice, the multiple monitor signal such as data is sent to and the transmission optical transmitter and receiver that sends electric terminal and be connected, send optical transmitter and receiver and realize video, voice, the conversion of the electricity of the multiple monitor signal such as data/light, by optical connector, connect optical cable, arrive the optical connector of the other end, between optical cable, by optical repeater, connect, video through conversion, voice, the multiple monitor signal such as data arrives and receives optical transmitter and receiver, receive optical transmitter and receiver and realize video, voice, the conversion of the light of the multiple monitor signal such as data/electricity, the signal of conversion is delivered to and is received electric terminal, finally arrive Automation of Electric Systems scheduling, realized the video to electric power supervisory control places such as unattended operation transformer stations, voice, the monitoring of data.
The utility model is served Huaian electric company: on power distribution network power transmission and distribution equipment, after application, can effectively improve low voltage power distribution network reliability, electric power system operation management improved efficiency 10%, reduces cost of human resources 20%;
Serve power consumer: can ensure reliability and the fail safe of power consumer power supply;
Serve Huaian medium-sized and small enterprises: promote the properties of product of power equipment manufacturing enterprise, optimize enterprise product structure, strengthen enterprise competitiveness, increase enterprise getting profit, with year 100 of sales volumes, can the new profit 400,000 yuan.Increase city's revenue tax simultaneously.
The above is only to preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, every foundation technical spirit of the present utility model is to any simple modification made for any of the above embodiments, equivalent variations and modification, all belong in the scope of technical solutions of the utility model.
Claims (6)
1. the multi-service integrated optical transmitter and receiver of electric power tailored version, it is characterized in that, the multi-service integrated optical transmitter and receiver of this electric power tailored version comprises: subdivision connection module, data interface module, optical interface module, electrical interface module, telephony interface module, video interface module, expansion board;
Be connected with expansion board with data interface module, optical interface module, electrical interface module, telephony interface module, video interface module, be used for the Digital multiplex that adopts Digital multiplex technology and realize digital video, voice, data and ethernet signal with CPLD, realize the subdivision connection module of synchronous transmission, this subdivision connection module adopts complex programmable logic device (CPLD) chip;
For data-signal being become to the equipment of light signal transmission, adopt physical interface DB9/DB25/BNC to realize the data interface module of electrical-optical and the conversion of light-electricity, adopt RS485 interface module;
For connect the optical interface module of optical fiber cable by physical interface light signal, adopt FC optical interface module;
Being used for providing bnc interface to realize and being connected with 75 Europe coaxial cables, providing transmitting-receiving two passages, is coaxial cable interface, and the electrical interface module also connecting for non-equilibrium signal, adopts DB9 interface;
For transmitting red, green, blue analog signal and synchronous horizontal and vertical signal, realize the video interface module of display monitoring image, adopt bnc interface;
Adopt RS485 to carry out the telephony interface module that transfer of data provides the incoming end of program controlled telephone, adopt DB25 interface.
2. the multi-service integrated optical transmitter and receiver of electric power tailored version as claimed in claim 1, is characterized in that, video interface module specifically comprises:
The field camera of collection site video information;
Be connected with field camera, receive the analog video signal of field camera, and realize the optical transmitter and receiver transmitting terminal of vision signal electricity/light conversion;
Be connected with optical transmitter and receiver transmitting terminal, receive the light signal of optical transmitter and receiver transmitting terminal conversion, realize the optical transmitter and receiver receiving terminal that light signal is converted to analog signal;
Be connected with optical transmitter and receiver receiving terminal, realize the terminal display that analog signal shows.
3. the multi-service integrated optical transmitter and receiver of electric power tailored version as claimed in claim 1, is characterized in that, telephony interface module also comprises:
Collect the telephone set of on-the-spot sound wave;
Be connected with telephone set, receive the sound wave signal of telecommunication of telephone set, and convert electrical signals to the optical transmitter and receiver transmitting terminal of light signal;
Be connected with optical transmitter and receiver transmitting terminal, receive the light signal of optical transmitter and receiver transmitting terminal conversion, realize the optical transmitter and receiver receiving terminal that light signal is converted to the signal of telecommunication;
Be connected with optical transmitter and receiver receiving terminal, receive the signal of telecommunication of optical transmitter and receiver receiving terminal, and sound wave is converted into the terminal speaker of sound.
4. the multi-service integrated optical transmitter and receiver of electric power tailored version as claimed in claim 3, is characterized in that, the sound wave of telephone set is converted to the signal of telecommunication by the electronics microphone of optical transmitter and receiver transmitting terminal.
5. the multi-service integrated optical transmitter and receiver of electric power tailored version as claimed in claim 1, it is characterized in that, data interface module, by the analog signal of on-the-spot voltmeter, ammeter, the output of power factor meter measuring instrument, is light signal after opto-electronic conversion, realizes long-distance transmissions.
6. the multi-service integrated optical transmitter and receiver of electric power tailored version as claimed in claim 1, is characterized in that, video interface module has 15 pins, is divided into 3 rows, 5 holes of every row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420171227.8U CN203788408U (en) | 2014-04-09 | 2014-04-09 | Special multi-service integrated optical transceiver for electric power |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420171227.8U CN203788408U (en) | 2014-04-09 | 2014-04-09 | Special multi-service integrated optical transceiver for electric power |
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| Publication Number | Publication Date |
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| CN203788408U true CN203788408U (en) | 2014-08-20 |
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| CN201420171227.8U Expired - Fee Related CN203788408U (en) | 2014-04-09 | 2014-04-09 | Special multi-service integrated optical transceiver for electric power |
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| Country | Link |
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| CN (1) | CN203788408U (en) |
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2014
- 2014-04-09 CN CN201420171227.8U patent/CN203788408U/en not_active Expired - Fee Related
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