CN108765920A - A kind of electricity consumption acquisition system based on single fiber bi-directional polymer optical fiber communication module - Google Patents
A kind of electricity consumption acquisition system based on single fiber bi-directional polymer optical fiber communication module Download PDFInfo
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- CN108765920A CN108765920A CN201810500037.9A CN201810500037A CN108765920A CN 108765920 A CN108765920 A CN 108765920A CN 201810500037 A CN201810500037 A CN 201810500037A CN 108765920 A CN108765920 A CN 108765920A
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/06—Non-electrical signal transmission systems, e.g. optical systems through light guides, e.g. optical fibres
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/03—Arrangements for fault recovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2589—Bidirectional transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/27—Arrangements for networking
- H04B10/275—Ring-type networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/40—Transceivers
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Abstract
The present invention provides a kind of electricity consumption acquisition system based on single fiber bi-directional polymer optical fiber communication module, including:Single fiber bi-directional polymer optical fiber communication module, concentrator, collector and ammeter end.Single fiber bi-directional polymer optical fiber communication module has N number of optical fiber transceiving port, connects single optical fiber by each optical fiber transceiving port by receives and dispatches optical signal.Single fiber bi-directional polymer optical fiber communication module is installed on concentrator or collector, to which concentrator or collector receive and dispatch optical signal by N number of optical fiber transceiving port.Concentrator connects collector or ammeter end by plastic optical fiber, forms communication topology network;The ammeter end has at least one half-duplex port.Traditional networking mode is improved by the present invention, in conjunction with the topological structure of the closed loop of multilayer and the transmission mode of single fiber bi-directional, realizes the self-healing function of electricity consumption acquisition system network topology structure in failure.
Description
Technical field
The present invention relates to photoelectric communication fields, more particularly to a kind of use based on single fiber bi-directional polymer optical fiber communication module
Electric acquisition system.
Background technology
The development of science and technology so that people's lives are more and more convenient, and computer networking technology brings huge for people's lives
Big change, application of the computer networking technology in electricity consumption centralized meter-reading system make meter reading work more quick and precisely and peace
Entirely, it greatly improves work efficiency.Electricity consumption concentrated collection is primarily referred to as ammeter used in electricity usage person mesolow resident
Concentration is copied and accepted, and remote copying and monitoring of the manager to ammeter are realized, effectively can avoid estimating copy, mistake is copied and pretermission etc. is asked
Topic, greatly improves meter reading quality.The situation that electricity exception occurs in user can be monitored in real time." synchronous metering " is achieved, section
A large amount of man power and materials have been saved, working efficiency is improved.The application of electric power system utilizes the automatic collection to data, conduction
And management, the intelligent management of electric system is realized, is all had either in terms of function or in economic aspect stronger
Applicability.In electricity consumption acquisition system, concentrator is the centre management equipment and control device of remote auto meter reading system, is born
Blame timing reading terminals data, the order transmission of system, data communication, network management, logout, data lateral transport etc.
Function.Collector is network node expansion equipment important in electric power system, is responsible for downlink ammeter end gathered data, to
Concentrator uploads data.But National Power System is main in the concentrator communication module of power information acquisition system at present
Using RS485 twisted-pair feeder wire transmission.However, in actual use, finding this side of RS485 twisted-pair feeder wire transmission
Formula, since itself is using copper core, cost of manufacture is high, rate is low and generates electromagnetic interference, Jin Erying with power circuit
Ring the accuracy and service life of equipment.Moreover, the serial or parallel connection of traditional centralized meter-reading system network use, either simplex data transmission
Pattern, data transmission path only have one, if encountering circuit or equipment fault, the exceeding standard rate of electricity consumption acquisition system can be significantly
It reduces.
Invention content
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide one kind being based on single fiber bi-directional plastic light
The electricity consumption acquisition system of fiber communication module is used using single fiber bi-directional polymer optical fiber communication module combination plastic optical fiber structure self-cure type
Electric acquisition system, to improve networking mode diversification, communication efficiency, anti-interference ability and the network self-healing energy of electricity consumption acquisition system
Power.
In order to achieve the above objects and other related objects, the present invention provides a kind of based on single fiber bi-directional polymer optical fiber communication mould
The electricity consumption acquisition system of block, including:Single fiber bi-directional polymer optical fiber communication module, concentrator, collector and ammeter end.
The single fiber bi-directional polymer optical fiber communication module has N number of optical fiber transceiving port, passes through each optical fiber transceiving port
It connects single optical fiber and receives and dispatches optical signal, the N is the positive integer not less than 1;
The single fiber bi-directional polymer optical fiber communication module is installed on concentrator or collector, to concentrator or collector
Optical signal is received and dispatched by N number of optical fiber transceiving port;
The concentrator connects collector or ammeter end by plastic optical fiber, forms communication topology network;The ammeter end
Has at least one half-duplex port.The concentrator for being equipped with the single fiber bi-directional polymer optical fiber communication module has N number of optical fiber
Port is received and dispatched, several ammeter ends of connecting between each two optical fiber transceiving port form one and are closed monocycle topological structure I.
The concentrator for being equipped with the single fiber bi-directional polymer optical fiber communication module has N number of optical fiber transceiving port, each two
It connects between optical fiber transceiving port several collectors, forms the level-one loop connection structure I of monocycle;The single fiber bi-directional is installed
The collector of polymer optical fiber communication module also has N number of optical fiber transceiving port, connects between each two optical fiber transceiving port several
Ammeter end forms the unidirectional secondary loop connection structure II of monocycle.
Further, the single fiber bi-directional polymer optical fiber communication module includes:
Controller;
External socket, with the two-way interconnection of the controller and external concentrator;
At least one optical module, is connected with controller, and receives and dispatches light by the external single optical fiber in optical fiber transceiving port
Signal;
Power conversion module, input terminal are connected with external socket, and output end is connected to controller, optical module respectively
It is powered.
Further, the single fiber bi-directional polymer optical fiber communication module further includes:Connect the network interface of the external socket
Module and memory.The Network Interface Module is RJ45 interface modules or/and optical module.The memory stores for FLASH
Device or EEPROM, be connected storage electricity consumption acquisition information with the controller.
Further, the single fiber bi-directional polymer optical fiber communication module further includes:Wireless communication unit, the controller use
Wireless communication unit connects external equipment;The wireless communication unit is bluetooth module, infrared module, Wifi modules or 3/4/5G
Mould it is in the block any one.
Further, the optical module is based on POF transmission mediums, and wavelength is the visible light of 650nm or 520nm.
Further, when the closure monocycle topological structure I normal works, two optical fiber transceiving ports on the concentrator
For simplex mode, one is output end, another is input terminal, and data-transmission mode is one-way transmission;
When the closure monocycle topological structure I breaks down, the closure monocycle topological structure of script is centered on fault point
Breakpoint is switched to stelliform connection topology configuration by closure single ring architecture;Two optical fiber transceiving ports are switched to half-duplex by simplex mode
The data-transmission mode of pattern, script is switched to time-multiplexed transmitted in both directions by one-way transmission;It is closed on monocycle topological structure I
Concentrator optical fiber transceiving port and ammeter end port, according to data transfer direction carry out input/output switching.
Further, when the level-one loop connection structure I normal works, two optical fiber transceiving ports on the concentrator
For simplex mode, one is output end, another is input terminal, and data-transmission mode is one-way transmission;The level-one loop connects
When connecing structure I failure, closure monocycle topological structure breakpoint centered on fault point of script is switched by closure single ring architecture
For stelliform connection topology configuration;Two optical fiber transceiving ports are switched to semiduplex mode, the data-transmission mode of script by simplex mode
Time-multiplexed transmitted in both directions is switched to by one-way transmission;The optical fiber transceiving port of concentrator on level-one loop connection structure I
And the optical fiber transceiving port of collector, the switching of input/output is carried out according to data transfer direction;
When the secondary loop connection structure II normal works, two optical fiber transceiving ports on the collector are either simplex
Pattern, one is output end, another is input terminal, and data-transmission mode is one-way transmission;The secondary loop connection structure
When II breaks down, closure monocycle topological structure breakpoint centered on fault point of script is switched to star by closure single ring architecture
Type topological structure;Two optical fiber transceiving ports are switched to semiduplex mode by simplex mode, and the data-transmission mode of script is by list
It is switched to time-multiplexed transmitted in both directions to transmission;The optical fiber transceiving port of collector on secondary loop connection structure II and
The port at ammeter end carries out the switching of input/output according to data transfer direction.
As described above, the present invention builds a kind of electricity consumption acquisition system based on single fiber bi-directional polymer optical fiber communication module, tool
Have following
Advantageous effect:
The present invention builds self-cure type electricity consumption acquisition system using single fiber bi-directional polymer optical fiber communication module combination plastic optical fiber.
The transmitting-receiving of optical signal can be completed in connection single optical fiber after concentrator and collector installation single fiber bi-directional polymer optical fiber communication module,
And be improved traditional networking mode, in conjunction with the topological structure of the closed loop of multilayer and the transmission mode of single fiber bi-directional,
Realizing that network topology structure of the electricity consumption acquisition system in failure has self-healing function, the present invention not only reduces electromagnetic interference,
Transmission rate is improved, there is better safety, stability, reliability and economy, also improve the group of electricity consumption acquisition system
Net mode diversification, communication efficiency and network self-healing ability.
Description of the drawings
Fig. 1 is shown as the single fiber bi-directional polymer optical fiber communication modular structure block diagram of the present invention;
Fig. 2 is shown as concentrator-ammeter end networking of the present invention;
Fig. 3 is shown as concentrator-collector-ammeter end networking of the present invention;
Fig. 4 is shown as concentrator-ammeter end networking failure of the present invention;
Fig. 5 is shown as the level-one loop connection structure I failures of concentrator-collector-ammeter end networking of the present invention;
Fig. 6 is shown as the secondary loop connection structure II failures of concentrator-collector-ammeter end networking of the present invention;
Component label instructions:
1 controller;
2 external sockets;
3 optical modules;
4 power conversion modules;
5 Network Interface Modules;
6 wireless communication units;
7 memories.
Specific implementation mode
Illustrate that embodiments of the present invention, those skilled in the art can be by this explanations by particular specific embodiment below
Content disclosed by book understands other advantages and effect of the present invention easily.
It please refers to Fig.1 to Fig. 5.It should be clear that structure, ratio, size etc. depicted in this specification institute accompanying drawings, only to
Coordinate the revealed content of specification, so that those skilled in the art understands and reads, being not limited to the present invention can be real
The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influencing the effect of present invention can be generated and the purpose that can reach, should all still fall in disclosed skill
Art content obtains in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", "left", "right", " centre " and
The term of " one " etc. is merely convenient to being illustrated for narration, rather than to limit the scope of the invention, relativeness
It is altered or modified, in the case where changing technology contents without essence, when being also considered as the enforceable scope of the present invention.
The present invention provides a kind of electricity consumption acquisition system based on single fiber bi-directional polymer optical fiber communication module, including:Single fiber is double
To polymer optical fiber communication module, concentrator, collector and ammeter end.Single fiber bi-directional polymer optical fiber communication module has N number of optical fiber
Port is received and dispatched, single optical fiber is connected by each optical fiber transceiving port by receives and dispatches optical signal, the N is the positive integer not less than 1.
Single fiber bi-directional polymer optical fiber communication module is installed on concentrator or collector, to which concentrator or collector pass through N number of optical fiber
It receives and dispatches port and receives and dispatches optical signal.Concentrator connects collector or ammeter end by plastic optical fiber, forms communication topology network.Ammeter
End has at least one half-duplex port.
Embodiment one:
As shown in Figure 1, the single fiber bi-directional polymer optical fiber communication module includes:
Controller 1, controller 1 use STM32F2 series of products, use ARM Cortex-M3 frameworks CPU.
External socket 2, with the 1 external concentrator of two-way interconnection of the controller.
At least one optical module 3 is connected with controller 1, and the optical module 3 includes optical fiber receiving port and optical fiber output
Port, the optical module 3 receive and dispatch optical signal by single optical fiber.
Power conversion module 4, input terminal are connected with external socket 2, output end respectively with controller 1,3 phase of optical module
It is linked as its power supply.
Due to the use of optical module 3 be single fiber bi-directional transmission, be based on POF transmission mediums, wavelength be 660nm (feux rouges)
Or the visible light of 530nm (green light), relative to the copper transmission in traditional technology, single fiber bi-directional transmission reduces electromagnetic interference,
Meanwhile improving its efficiency of transmission.
In the present embodiment, 4 input terminal of the power conversion module is connected with the socket 2 of concentrator or collector, is used for
External power supply is connected, output end is connected to its power supply with controller 1, optical module 3 respectively.
As shown in Fig. 2, the concentrator for being equipped with single fiber bi-directional polymer optical fiber communication module has N number of optical fiber transceiving port,
It connects between each two optical fiber transceiving port several ammeter ends, forms one and be closed monocycle topological structure I.
When being closed monocycle topological structure I normal work, two optical fiber transceiving ports on concentrator are simplex mode, one
For output end, another is input terminal, and data-transmission mode is one-way transmission.
As shown in figure 4, when being closed the I failures of monocycle topological structure, the closure monocycle topological structure of script is with fault point
Centered on breakpoint, stelliform connection topology configuration is switched to by closure single ring architecture.Two optical fiber transceiving ports are switched to by simplex mode
The data-transmission mode of semiduplex mode, script is switched to time-multiplexed transmitted in both directions by one-way transmission.It is closed monocycle topology
The optical fiber transceiving port of concentrator in structure I and the port at ammeter end carry out input/output according to data transfer direction
Switching.
On the basis of above-described embodiment, single fiber bi-directional polymer optical fiber communication module further includes:Connect the network of external socket 2
Interface module 5, Network Interface Module 5 is RJ45 interface modules or optical module, alternatively, RJ45 interface modules and optical module, pass through
Networking mode connects exterior terminal and realizes data transmission.
On the basis of above-described embodiment, single fiber bi-directional polymer optical fiber communication module further includes:Wireless communication unit 6, control
Device 1 connects external equipment using wireless communication unit 6.Wireless communication unit 6 be bluetooth module, infrared module, Wifi modules or
3/4/5G moulds it is in the block any one, by be arranged wireless communication unit 6, pass through exterior terminal equipment (intelligent hand convenient for user
Mechanical, electrical brain etc.) and the realization interconnected communication of controller 1, it realizes data transmission, such as upgrades the communication module software, reading networking is set
Standby information, warning information etc..
On the basis of above-described embodiment, single fiber bi-directional polymer optical fiber communication module further includes:Memory 7, with controller 1
The storage electricity consumption that is connected acquires information, and memory 7 is FLASH memory or EEPROM.
Specific implementation mode two:
As shown in Figure 1, single fiber bi-directional polymer optical fiber communication module includes:
Controller 1, controller 1 use STM32F2 series of products, use ARM Cortex-M3 frameworks CPU.
External socket 2, with the 1 external concentrator of two-way interconnection of controller.
At least one optical module 3 is connected with controller 1, and optical module 3 includes optical fiber receiving port and fiber-optic output
Mouthful, optical module 3 receives and dispatches optical signal by single optical fiber.
Power conversion module 4, input terminal are connected with external socket 2, output end respectively with controller 1,3 phase of optical module
It is linked as its power supply.
Due to the use of optical module 3 be single fiber bi-directional transmission, be based on POF transmission mediums, the wherein a length of 650nm of cardiac wave
The visible light of (feux rouges) or 520nm (green light), relative to the copper transmission in traditional technology, single fiber bi-directional transmission reduces electromagnetism
Interference, meanwhile, improve its efficiency of transmission.
In the present embodiment, 4 input terminal of power conversion module is connected with the socket 2 of concentrator or collector, for connecting
External power supply, output end are connected to its power supply with controller 1, optical module 3 respectively.
As shown in figure 3, the concentrator for being equipped with single fiber bi-directional polymer optical fiber communication module has N number of optical fiber transceiving port,
It connects between each two optical fiber transceiving port several collectors, forms the level-one loop connection structure I of monocycle.It is double that single fiber is installed
Also there is N number of optical fiber transceiving port to the collector of polymer optical fiber communication module, if connecting between each two optical fiber transceiving port
Dry ammeter end forms the unidirectional secondary loop connection structure II of monocycle.
When level-one loop connection structure I normal work, two optical fiber transceiving ports on concentrator are simplex mode, one
For output end, another is input terminal, and data-transmission mode is one-way transmission.As shown in figure 5, level-one loop connection structure I goes out
When existing failure, closure monocycle topological structure breakpoint centered on fault point of script is switched to star-like open up by closure single ring architecture
Flutter structure.Two optical fiber transceiving ports are switched to semiduplex mode by simplex mode, and the data-transmission mode of script is by unidirectionally passing
It is defeated to be switched to time-multiplexed transmitted in both directions.The optical fiber transceiving port of concentrator on level-one loop connection structure I and acquisition
The optical fiber transceiving port of device carries out the switching of input/output according to data transfer direction.
When secondary loop connection structure II normal work, two optical fiber transceiving ports on collector are simplex mode, one
A is output end, another is input terminal, and data-transmission mode is one-way transmission.As shown in fig. 6, secondary loop connection structure II
When failure, closure monocycle topological structure breakpoint centered on fault point of script is switched to star-like by closure single ring architecture
Topological structure.Two optical fiber transceiving ports are switched to semiduplex mode by simplex mode, and the data-transmission mode of script is by unidirectional
Transmission is switched to time-multiplexed transmitted in both directions.The optical fiber transceiving port of collector on secondary loop connection structure II and electricity
The port at table end carries out the switching of input/output according to data transfer direction.
On the basis of above-described embodiment, single fiber bi-directional polymer optical fiber communication module further includes:Connect the network of external socket 2
Interface module 5, Network Interface Module 5 is RJ45 interface modules or optical module, alternatively, RJ45 interface modules and optical module, pass through
Networking mode connects exterior terminal and realizes data transmission.
On the basis of above-described embodiment, single fiber bi-directional polymer optical fiber communication module further includes:Wireless communication unit 6, control
Device 1 connects external equipment using wireless communication unit 6.Wireless communication unit 6 be bluetooth module, infrared module, Wifi modules or
3/4/5G moulds it is in the block any one, by be arranged wireless communication unit 6, pass through exterior terminal equipment (intelligent hand convenient for user
Mechanical, electrical brain etc.) and the realization interconnected communication of controller 1, it realizes data transmission, such as upgrades the communication module software, reading networking is set
Standby information, warning information etc..
On the basis of above-described embodiment, single fiber bi-directional polymer optical fiber communication module further includes:Memory 7, with controller 1
The storage electricity consumption that is connected acquires information, and memory 7 is FLASH memory or EEPROM.
In conclusion the present invention builds self-cure type electricity consumption using single fiber bi-directional polymer optical fiber communication module combination plastic optical fiber
Acquisition system.Light letter can be completed in connection single optical fiber after concentrator and collector installation single fiber bi-directional polymer optical fiber communication module
Number transmitting-receiving, and traditional networking mode is improved, in conjunction with the topological structure and single fiber bi-directional of the closed loop of multilayer
Transmission mode makes network topology structure of the electricity consumption acquisition system in failure have self-healing ability, and the present invention not only reduces electricity
Magnetic disturbance improves transmission rate, has better safety, stability, reliability and economy, also improves electricity consumption acquisition system
Networking mode diversification, communication efficiency and the network self-healing ability of system.
So the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (7)
1. a kind of electricity consumption acquisition system based on single fiber bi-directional polymer optical fiber communication module, which is characterized in that including:Single fiber bi-directional
Polymer optical fiber communication module, concentrator, collector and ammeter end;
The single fiber bi-directional polymer optical fiber communication module has N number of optical fiber transceiving port, is connected by each optical fiber transceiving port
Single optical fiber and receive and dispatch optical signal, the N is positive integer not less than 1;
The single fiber bi-directional polymer optical fiber communication module is installed on concentrator or collector, to which concentrator or collector pass through
Receive and dispatch optical signal in N number of optical fiber transceiving port;
The concentrator connects collector or ammeter end by plastic optical fiber, forms communication topology network;The ammeter end has
At least one half-duplex port;
The concentrator for being equipped with the single fiber bi-directional polymer optical fiber communication module has N number of optical fiber transceiving port, each two optical fiber
Transmitting-receiving is connected several ammeter ends between port, is formed one and is closed monocycle topological structure I;
Alternatively, the concentrator for being equipped with the single fiber bi-directional polymer optical fiber communication module has N number of optical fiber transceiving port, each two
It connects between optical fiber transceiving port several collectors, forms the level-one loop connection structure I of monocycle;The single fiber bi-directional is installed
The collector of polymer optical fiber communication module also has N number of optical fiber transceiving port, connects between each two optical fiber transceiving port several
Ammeter end forms the unidirectional secondary loop connection structure II of monocycle.
2. the electricity consumption acquisition system according to claim 1 based on single fiber bi-directional polymer optical fiber communication module, feature exist
In the single fiber bi-directional polymer optical fiber communication module includes:
Controller (1);
External socket (2), with the two-way interconnection of the controller and external concentrator or collector;
At least one optical module (3), is connected with controller (1), and is received and dispatched by the external single optical fiber in optical fiber transceiving port
Optical signal;
Power conversion module (4), input terminal are connected with external socket (2), output end respectively with controller (1), optical module
(3) it is connected to its power supply.
3. the electricity consumption acquisition system according to claim 2 based on single fiber bi-directional polymer optical fiber communication module, feature exist
In the single fiber bi-directional polymer optical fiber communication module further includes:Connect the external socket (2) Network Interface Module (5) and
Memory (7);The Network Interface Module (5) is RJ45 interface modules or/and optical module;The memory (7) is deposited for FLASH
Reservoir or EEPROM, be connected storage electricity consumption acquisition information with the controller.
4. the electricity consumption acquisition system according to claim 2 based on single fiber bi-directional polymer optical fiber communication module, feature exist
In the single fiber bi-directional polymer optical fiber communication module further includes:Wireless communication unit (6), the controller is using wireless communication
Unit connects external equipment;The wireless communication unit (6) is bluetooth module, infrared module, Wifi modules or 3/4/5G modules
In any one.
5. special according to the electricity consumption acquisition system based on single fiber bi-directional polymer optical fiber communication module described in claim 2,3 or 4
Sign is:The optical module (3) is based on POF transmission mediums, and wavelength is the visible light of 650nm or 520nm.
6. the electricity consumption acquisition system according to claim 1 based on single fiber bi-directional polymer optical fiber communication module, feature exist
In:When the closure monocycle topological structure I normal works, two optical fiber transceiving ports on the concentrator are simplex mode,
One is output end, another is input terminal, and data-transmission mode is one-way transmission;
When the closure monocycle topological structure I breaks down, closure monocycle topological structure breakpoint centered on fault point of script,
Stelliform connection topology configuration is switched to by closure single ring architecture;Two optical fiber transceiving ports are switched to semiduplex mode by simplex mode,
The data-transmission mode of script is switched to time-multiplexed transmitted in both directions by one-way transmission;The collection being closed on monocycle topological structure I
The optical fiber transceiving port of middle device and the port at ammeter end carry out the switching of input/output according to data transfer direction.
7. the electricity consumption acquisition system according to claim 1 based on single fiber bi-directional polymer optical fiber communication module, feature exist
In:When the level-one loop connection structure I normal works, two optical fiber transceiving ports on the concentrator are simplex mode,
One is output end, another is input terminal, and data-transmission mode is one-way transmission;The level-one loop connection structure I occurs
When failure, closure monocycle topological structure breakpoint centered on fault point of script is switched to star topology by closure single ring architecture
Structure;Two optical fiber transceiving ports are switched to semiduplex mode by simplex mode, and the data-transmission mode of script is by one-way transmission
It is switched to time-multiplexed transmitted in both directions;The optical fiber transceiving port of concentrator on level-one loop connection structure I and collector
Optical fiber transceiving port, according to data transfer direction carry out input/output switching;
When the secondary loop connection structure II normal works, two optical fiber transceiving ports on the collector are either simplex mould
Formula, one is output end, another is input terminal, and data-transmission mode is one-way transmission;The secondary loop connection structure II
When failure, closure monocycle topological structure breakpoint centered on fault point of script is switched to star-like by closure single ring architecture
Topological structure;Two optical fiber transceiving ports are switched to semiduplex mode by simplex mode, and the data-transmission mode of script is by unidirectional
Transmission is switched to time-multiplexed transmitted in both directions;The optical fiber transceiving port of collector on secondary loop connection structure II and electricity
The port at table end carries out the switching of input/output according to data transfer direction.
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CN110930685A (en) * | 2019-12-17 | 2020-03-27 | 贵州电网有限责任公司 | Plastic optical fiber dual-mode collector based on optical fiber interface and LoRa interface |
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CN110930685A (en) * | 2019-12-17 | 2020-03-27 | 贵州电网有限责任公司 | Plastic optical fiber dual-mode collector based on optical fiber interface and LoRa interface |
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