CN103647627A - Networked medium voltage narrow band power line carrier device based on carrier timing - Google Patents

Networked medium voltage narrow band power line carrier device based on carrier timing Download PDF

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Publication number
CN103647627A
CN103647627A CN201310674537.1A CN201310674537A CN103647627A CN 103647627 A CN103647627 A CN 103647627A CN 201310674537 A CN201310674537 A CN 201310674537A CN 103647627 A CN103647627 A CN 103647627A
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China
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carrier
module
carrier equipment
equipment
message
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CN201310674537.1A
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CN103647627B (en
Inventor
闫磊
张辉
金燊
许长忠
吴立文
李信
尤新宇
白杰
常海娇
纪雨彤
于然
许鸿飞
田宇
李雪梅
袁卫国
罗先南
樊强
何迎利
张立武
蔡世龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Nari Information and Communication Technology Co
Nanjing NARI Group Corp
Information and Telecommunication Branch of State Grid Jibei Electric Power Co Ltd
Langfang Power Supply Co of State Grid Jibei Electric Power Co Ltd
Tangshan Power Supply Co of State Grid Jibei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Nari Information and Communication Technology Co
Nanjing NARI Group Corp
Information and Telecommunication Branch of State Grid Jibei Electric Power Co Ltd
Langfang Power Supply Co of State Grid Jibei Electric Power Co Ltd
Tangshan Power Supply Co of State Grid Jibei Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, Nari Information and Communication Technology Co, Nanjing NARI Group Corp, Information and Telecommunication Branch of State Grid Jibei Electric Power Co Ltd, Langfang Power Supply Co of State Grid Jibei Electric Power Co Ltd, Tangshan Power Supply Co of State Grid Jibei Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201310674537.1A priority Critical patent/CN103647627B/en
Publication of CN103647627A publication Critical patent/CN103647627A/en
Application granted granted Critical
Publication of CN103647627B publication Critical patent/CN103647627B/en
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Abstract

The invention discloses a networked medium voltage narrow band power line carrier device based on carrier timing. The device comprises a main carrier device and a secondary carrier device. Both the main carrier device and the secondary carrier device are equipped with a microprocessor module and are equipped with a power supply module, a memory module, an interface module and a carrier analog circuit module which are connected with the microprocessor module. The microprocessor module of the main carrier device is loaded with a timing module, an authentication module, a message restructuring and parsing module, a carrier analog circuit control module, a channel occupation logic authorization module and a port logic mapping control module. The secondary carrier device is loaded with an authentication module, a message restructuring and parsing module, a carrier analog circuit control module and a port logic mapping control module. According to the networked medium voltage narrow band power line carrier device, modes of carrier timing, main and secondary carrier device authentication, channel occupation authorization and the like are employed, the improvement of the transmission efficiency of a medium voltage carrier network is realized through raising the carrier channel utilization rate, and an IP-used carrier network development trend is satisfied.

Description

In networking based on carrier wave time service, narrow band power line carrier equipment
Technical field
The present invention relates to narrow band power line carrier equipment in a kind of networking based on carrier wave time service, belong to medium voltage power line ZAP field.
Background technology
Medium voltage power line ZAP is mainly used in adapted electrical domain in electric power system, and adapted electricity requires certain real-time.Existing medium-voltage carrier equipment 1 is main many from mode networking and adopt polling mechanism to transmit data, if 1 main 5 be example from mode networking, main carrier with from the carrier wave question and answer time, be about 3 seconds, completing 5 is 15 seconds from carrier equipment data transfer time.If there is packet loss in polling mode, take retransmission mechanism, at whole poll, in the time, just increased time-out time and retransmission time, cause whole medium-voltage carrier network transmission efficiency lower.
Summary of the invention
For making up the deficiencies in the prior art, the present invention proposes in a kind of networking based on carrier wave time service and narrow band power line carrier equipment, adopt carrier wave time service, the authentication of principal and subordinate's carrier equipment, passage to take the modes such as mandate, by improving carrier channel utilance, realize the transmission efficiency that promotes medium-voltage carrier network, meet IPization carrier network development trend.
For realizing the object of the invention, the technical solution used in the present invention is as follows:
In networking based on carrier wave time service, narrow band power line carrier equipment, comprise main carrier equipment and from carrier equipment, described main carrier equipment is by adopting RJ45 network interface to be connected with electrical power distribution automatization system, from carrier equipment, by employing RJ45 network interface, be connected with distribution power automation terminal, the AFE (analog front end) of described principal and subordinate's carrier equipment all accesses power line, the power module that all disposes microprocessor module on described principal and subordinate's carrier equipment and be attached thereto, memory module, interface module and carrier wave analog module, on the microprocessor module of described main carrier equipment, be loaded with time service module, authentication module, message restructuring parsing module, carrier wave analog circuit control module, passage takies logic authorization module and port logic mapping control module, the described microprocessor module from carrier equipment is loaded with authentication module, message restructuring parsing module, carrier wave analog circuit control module and port logic mapping control module,
Described time service module takies time-division mandate for main carrier equipment to carry out passage from carrier equipment, realizes whole carrier network clock consistent;
The authentication module of described principal and subordinate's carrier equipment has been used for the registration at main carrier equipment from carrier equipment, and obtains main carrier devices allocation to taking logic ID from the passage of carrier equipment;
Described passage takies logic authorization module and takies time slot allocation in order to realize carrier network passage;
The carrier wave analog circuit control module of described principal and subordinate's carrier equipment is for carrying out logic control to carrier wave analog module;
The message recombination module of described principal and subordinate's carrier equipment and port logic mapping control module are in order to realize carrier network IPization.
Aforesaid memory module is for storing the data of principal and subordinate's carrier equipment generation in service, memory module comprises Synchronous Dynamic Random Access Memory and Flash memory, and described Synchronous Dynamic Random Access Memory is connected with described microprocessor module respectively with Flash memory.
The interface module of aforesaid main carrier equipment comprises configuration interface, data-interface and network management interface, the described interface module from carrier equipment comprises configuration interface and data-interface, wherein, the data-interface access service application main station system of main carrier equipment, data-interface access service terminal from carrier equipment, data-interface is realized principal and subordinate's carrier equipment service data interaction, the network management interface access carrier webmaster of main carrier equipment, realize Remote configuration and management, the dispensing interface of described principal and subordinate's carrier equipment is all for principal and subordinate's carrier equipment parameter configuration.
Aforesaid carrier wave analog module consists of carrier chip and the analog signal processing circuit being attached thereto, carrier chip realizes service digital signal and carrier wave analog signal is changed mutually, and analog signal processing circuit is realized the carrier wave analog signal modulation-demodulation that sends and receive.
The AFE (analog front end) of aforesaid principal and subordinate's carrier equipment comprises carrier power amplifier, coupling filtering and impedance matching function module, for the carrier wave analog-modulated restituted signal that carrier wave analog module is sent and received, nurse one's health, then the signal coupling after conditioning is entered to power line and realize service data interaction.
The detailed process of aforesaid principal and subordinate's carrier equipment authentication module is: from carrier equipment, intercept track data, wait for the data feedback channel gap that takes up room, by authentication module transmitting apparatus authentication short message; The authentication module of main carrier equipment is received device authentication short message, utilizes the down going channel gap that takes up room, and issues device authentication license message, distributes occasional passage to take logic ID; From the authentication module of carrier equipment, receive device authentication license message, wait for that occasional passage takies logic ID gap, transmitting apparatus authentication information message; The authentication module of main carrier equipment is received device authentication infomational message, utilizes the down going channel gap that takes up room, and issues device authentication license confirmation message and distributes passage to take logic ID.
The process that aforesaid time service module is carried out time service is: from carrier equipment, receive and authenticate and add carrier network, while receiving school from carrier equipment, information renewal are from carrier equipment timer, time delay when confirming while returning to school and calculating school interval time according to transmitting-receiving message, revises from carrier equipment timer.
Aforesaid passage takies logic authorization module to carry out the process that passage takies mandate and is: carrier equipment line speed and circuit maximum transmitted message length determine that passage can be divided into how many time slots, according to main carrier equipment is pre-configured, channel slot is divided, channel slot is with corresponding one by one from carrier equipment logic ID, up-downgoing channel grant adopts and interleaves, the non-mode of dividing equally, and allocation proportion is adjustable according to carrier network scale.
Aforesaid carrier network IPization refers to: principal and subordinate's carrier equipment reception carrier link packet, message restructuring parsing module is converted to TCP/IP message by carrier link message and transmits, and then by port logic, shine upon control module and realize from carrier equipment configuration data when the device authentication, by main carrier equipment, issued.
By adopting technique scheme, it is consistent that the present invention adopts carrier wave time service to realize whole carrier network markers, under the consistent prerequisite of whole carrier network markers, just can divide carrier channel; Adopting carrier equipment authentication is that passage takies logic ID to the carrier equipment assignment logic ID of authentication, can make every carrier equipment in assigned timeslot, take carrier channel; While adopting port logic mapping to control carrier terminal equipment port to backstage or terminal, adopt standard ethernet form, in the carrier link of carrier terminal equipment and carrier terminal equipment, can adopt and simplify data frame format to reduce carrier channel bandwidth requirement, realize medium-voltage carrier network IPization.Carrier networking disclosed by the invention adopts all-IP framework, all supports IP mode to access, and has improved the transparency of network, and the management equipment by device authentication mechanism and effective monitoring in real time, is conducive to network management and failure diagnosis; The present invention is applicable to the group-net communication of Complex Situation, can effectively substitute existing carrier equipment.
Accompanying drawing explanation
Fig. 1 is the hardware module schematic diagram of principal and subordinate's carrier equipment of the present invention;
Fig. 2 is high-level schematic functional block diagram in principal and subordinate's carrier equipment hardware module of the present invention;
Fig. 3 is principal and subordinate's carrier equipment authentication time service logic diagram of the present invention;
Fig. 4 is that in embodiments of the invention, carrier network passage takies time slot allocation schematic diagram;
Fig. 5 is carrier equipment time service error correction logic diagram of the present invention;
Fig. 6 be in embodiments of the invention one main two from carrier equipment networking schematic diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further elaborated.
As depicted in figs. 1 and 2, the present invention is based in the networking of carrier wave time service and narrow band power line carrier equipment, comprise main carrier equipment and from carrier equipment, wherein main carrier equipment is by adopting RJ45 network interface to be connected with electrical power distribution automatization system, from carrier equipment, by adopting RJ45 network interface to be connected with distribution power automation terminal, the AFE (analog front end) of principal and subordinate's carrier equipment all accesses power line; The power module, memory module, interface module and the carrier wave analog module that on principal and subordinate's carrier equipment, all dispose microprocessor module and be attached thereto, on the microprocessor module of main carrier equipment, be loaded with time service module, authentication module, message restructuring parsing module, carrier wave analog circuit control module, passage takies logic authorization module and port logic mapping control module; From the microprocessor module of carrier equipment, be loaded with authentication module, message restructuring parsing module, carrier wave analog circuit control module and port logic mapping control module;
Memory module, for storing the data of principal and subordinate's carrier equipment generation in service, takies logic ID etc. such as passage, and memory module comprises Synchronous Dynamic Random Access Memory and Flash memory; Logic control module is realized analog signal processing circuit and carrier chip logic control function.
The interface module of main carrier equipment comprises configuration interface, and data-interface and network management interface comprise configuration interface and data-interface from the interface module of carrier equipment; Wherein, the data-interface of main carrier equipment is connected with service application main station system, from the data-interface of carrier equipment, be connected with service terminal, data-interface is realized principal and subordinate's carrier equipment service data interaction, the network management interface access carrier webmaster of main carrier equipment, support snmp protocol, realize Remote configuration and management, the dispensing interface of principal and subordinate's carrier equipment is all for principal and subordinate's carrier equipment parameter configuration, and as pre-configured in master slave mode, data-interface parameter, running parameter, carrier network, passage takies than configuration, webmaster parameter configuration etc.
Carrier wave analog module consists of carrier chip and the analog signal processing circuit being attached thereto, carrier chip realizes service digital signal and carrier wave analog signal is changed mutually, and analog signal processing circuit is realized the carrier wave analog signal modulation-demodulation that sends and receive.
Carrier wave analog circuit control module is for carrying out logic control to carrier wave analog module.
The AFE (analog front end) of principal and subordinate's carrier equipment comprises carrier power amplifier, coupling filtering and impedance matching function module, for the carrier wave analog-modulated restituted signal that carrier wave analog module is sent and received, nurse one's health, then the signal coupling after conditioning is entered to power line and realize service data interaction.
As shown in Figure 3, the present invention is based on and in the networking of carrier wave time service, narrow band power line carrier equipment and adopt device authentication management, be used for the registration at main carrier equipment from carrier equipment, and obtain main carrier devices allocation to taking logic ID from the passage of carrier equipment, device authentication process realizes by the authentication module of principal and subordinate's carrier equipment, and detailed process is, from carrier equipment, intercepts track data, wait for the data feedback channel gap that takes up room, by authentication module transmitting apparatus authentication short message; The authentication module of main carrier equipment is received device authentication short message, utilizes the down going channel gap that takes up room, and issues device authentication license message, distributes occasional passage to take logic ID; From the authentication module of carrier equipment, receive device authentication license message, wait for that occasional passage takies logic ID gap, transmitting apparatus authentication information message; The authentication module of main carrier equipment is received device authentication infomational message, utilizes the down going channel gap that takes up room, and issues device authentication license confirmation message and distributes passage to take logic ID; Message identifying sends realizes overtime 3 retransmission mechanisms.
As shown in Figure 3, the present invention is based on and in the networking of carrier wave time service, narrow band power line carrier equipment and adopt carrier system to carry out time service, unified whole carrier network clock, time service process realizes by the time service module of main carrier equipment, is embodied in main carrier equipment for carrying out passage from carrier equipment and take the time-division and authorize after device authentication.Main carrier equipment can obtain by network reference clock source fiducial time, also can on main carrier equipment, configure carrier network fiducial time.Carrier wave time service process is device authentication process and then, from carrier equipment, receiving and authenticating and add carrier network, while receiving school from carrier equipment, information renewal are from carrier equipment timer, time delay when confirming while returning to school and calculating school interval time according to transmitting-receiving message, revises from carrier equipment timer.
The specific embodiment of having revised while having provided as shown in Figure 5 carrier wave school, main carrier equipment is when T1 issues school constantly, from carrier equipment when t time delay is received school and T1 as from carrier equipment markers, from carrier wave acknowledgement frame be with T2 markers when T2 returns to school constantly, main carrier equipment is received band acknowledgement frame during target school during T2 constantly at T3, and t time-delay calculation is (T3-T1)/2(T2-T1).
The present invention is based on and in the networking of carrier wave time service, narrow with power line carrier equipment the passage by main carrier equipment and take logic authorization module and realize carrier network passage and take time slot allocation; Passage takies licensing process and describes: carrier equipment line speed and circuit maximum transmitted message length can determine that passage can be divided into how many time slots, according to main carrier equipment is pre-configured, channel slot is divided, channel slot is with corresponding one by one from carrier equipment logic ID, up-downgoing channel grant adopts and interleaves, the non-mode of dividing equally, and allocation proportion can be joined according to carrier network scale.Each passage takies gap need take into full account passage burst conflict, and before each gap, 10% and rear 10% does not use.Main carrier equipment on-line statistics, from the online situation of carrier equipment, is dynamically adjusted passage and is taken mandate.The passage that principal and subordinate's carrier equipment takies logic ID and main carrier equipment according to self passage takies to authorize and carries out time-division data communication.
In specific embodiment as shown in Fig. 4, when main carrier equipment utilization down going channel takies gap and issues school and passage take mandate.1 main 2 is time division duplex from carrier network up-downgoing passage, and at up-downgoing passage, taking allocations ratio is 2:1, and at 1 descending time slot, 2 ascending time slots immediately, ascending time slot is followed successively by logic ID 1, logic ID 2, idle logic ID and empty slot circulation; It is that 2:1 or 3:1 are configurable that 1 master 3 takies Gap-Ratios from the optional passage of carrier network, when taking Gap-Ratios and be 2:1, ascending time slot is followed successively by logic ID 1, logic ID 2, logic ID 2 and idle logic ID, and when taking Gap-Ratios and be 3:1, ascending time slot is followed successively by logic ID 1, logic ID 2, logic ID 2, idle logic ID and two empty slots circulations.
The present invention is based on and in the networking of carrier wave time service, narrow with power line carrier equipment the message recombination module by principal and subordinate's carrier equipment and port logic mapping control module in order to realize carrier network IPization.Principal and subordinate's carrier equipment reception carrier link packet, message restructuring parsing module is converted to TCP/IP message by carrier link message and transmits, and then by port logic, shine upon control module and realize from carrier equipment configuration data when the device authentication, by main carrier equipment, issued.
The present invention, for adapted electrical communication system provides a reliable passage, has effectively solved adapted electrical communication system " last kilometer " and has covered a difficult problem.
The workflow of carrier equipment of the present invention is: 1) connected mode: main carrier device data interface access service application main station system, network management interface access carrier webmaster, AFE (analog front end) access power line, from carrier equipment data-interface access service terminal, AFE (analog front end) access power line; 2) parameter configuration: set principal and subordinate's carrier parameter by configuration interface, comprise that master slave mode, data-interface parameter, running parameter, carrier network are pre-configured, passage takies than configuration, webmaster parameter configuration etc.; 3) carrier network networking: after the operation of principal and subordinate's carrier equipment normal configuration, from carrier equipment, by authentication module, initiatively to main carrier equipment, send authentication information, main carrier receives from the authentication information of equipment and according to carrier network is pre-configured, judges whether by authenticating and assignment logic ID from carrier wave, main carrier equipment occupies logic authorization module by authentication module and passage and realizes carrier network networking, and main carrier equipment will utilize carrier wave time service to realize carrier network time unification by time service module; 4) business data transmission: after carrier network networking, principal and subordinate's carrier equipment all sends business datum at the time slot distributing, service application main website and service terminal are by data-interface access carrier equipment, realize service data interaction, principal and subordinate's carrier equipment shines upon control module by port logic and message restructuring parsing module is realized carrier network IPization, by carrier wave analog circuit control module, realizes business datum modulating and demodulating signal; 5) network management interface: support snmp protocol, access carrier webmaster, realizes Remote configuration and management.
Concrete 10kV electric line figure of Tu6Shi transformer station, for completing circuit 2 places terminal data communication, builds 1 main 2 from carrier network, adopts time service networking mechanism.Main carrier equipment is positioned at transformer station, and 2 lay respectively at end side from carrier equipment.Configuration main carrier equipment carrier network 10.1.1.0/24, IP address of equipment 10.1.1.2/24, port one 024 correspondence takies logic ID 1 from carrier equipment 1 and preassignment passage, port one 025 correspondence takies logic ID 2 from carrier equipment 2 and preassignment passage, passage takies and adopts the non-equal proportion by subtraction of 2:1, main carrier default logic ID 0.Configuration is from carrier equipment 1 carrier network 10.1.1.0/24, and IP address of equipment 10.1.1.3/24, from carrier equipment 2 carrier network 10.1.1.0/24, IP address of equipment 10.1.1.4/24.
From carrier equipment, initiatively to main carrier equipment initiating equipment, authenticate and register respectively, obtain time service and passage and take mandate.It is that service application main website program will be passed on from the data port of carrier wave 1 by carrier network for 10.1.1.2 port one 024 transceiving data that main equipment adopts port mapping.From carrier equipment IP address, be 10.1.1.3, service terminal 1 need be set up TCP link to IP:10.1.1.3, terminal equipment 1 is mapped as the 10.1.1.2 port one 024 of main carrier equipment.In like manner service terminal equipment 2 is mapped as the 10.1.1.2 port one 025 of main carrier equipment.Carrier equipment all sends data in authorizing time slot, realizes time-division full duplex, thereby makes network realize the IPization of carrier network.

Claims (9)

1. in the networking based on carrier wave time service, narrow band power line carrier equipment, it is characterized in that, comprise main carrier equipment and from carrier equipment, described main carrier equipment is by adopting RJ45 network interface to be connected with electrical power distribution automatization system, from carrier equipment, by employing RJ45 network interface, be connected with distribution power automation terminal, the AFE (analog front end) of described principal and subordinate's carrier equipment all accesses power line, the power module that all disposes microprocessor module on described principal and subordinate's carrier equipment and be attached thereto, memory module, interface module and carrier wave analog module, on the microprocessor module of described main carrier equipment, be loaded with time service module, authentication module, message restructuring parsing module, carrier wave analog circuit control module, passage takies logic authorization module and port logic mapping control module, the described microprocessor module from carrier equipment is loaded with authentication module, message restructuring parsing module, carrier wave analog circuit control module and port logic mapping control module,
Described time service module takies time-division mandate for main carrier equipment to carry out passage from carrier equipment, realizes whole carrier network clock consistent;
The authentication module of described principal and subordinate's carrier equipment has been used for the registration at main carrier equipment from carrier equipment, and obtains main carrier devices allocation to taking logic ID from the passage of carrier equipment;
Described passage takies logic authorization module and takies time slot allocation in order to realize carrier network passage;
The carrier wave analog circuit control module of described principal and subordinate's carrier equipment is for carrying out logic control to carrier wave analog module;
The message recombination module of described principal and subordinate's carrier equipment and port logic mapping control module are in order to realize carrier network IPization.
2. in the networking based on carrier wave time service according to claim 1, narrow band power line carrier equipment, it is characterized in that, described memory module is for storing the data of principal and subordinate's carrier equipment generation in service, memory module comprises Synchronous Dynamic Random Access Memory and Flash memory, and described Synchronous Dynamic Random Access Memory is connected with described microprocessor module respectively with Flash memory.
3. in the networking based on carrier wave time service according to claim 1, narrow band power line carrier equipment, it is characterized in that, the interface module of described main carrier equipment comprises configuration interface, data-interface and network management interface, the described interface module from carrier equipment comprises configuration interface and data-interface, wherein, the data-interface access service application main station system of main carrier equipment, data-interface access service terminal from carrier equipment, data-interface is realized principal and subordinate's carrier equipment service data interaction, the network management interface access carrier webmaster of main carrier equipment, realize Remote configuration and management, the dispensing interface of described principal and subordinate's carrier equipment is all for principal and subordinate's carrier equipment parameter configuration.
4. in the networking based on carrier wave time service according to claim 1, narrow band power line carrier equipment, it is characterized in that, described carrier wave analog module consists of carrier chip and the analog signal processing circuit being attached thereto, carrier chip realizes service digital signal and carrier wave analog signal is changed mutually, and analog signal processing circuit is realized the carrier wave analog signal modulation-demodulation that sends and receive.
5. in the networking based on carrier wave time service according to claim 1, narrow band power line carrier equipment, it is characterized in that, the AFE (analog front end) of described principal and subordinate's carrier equipment comprises carrier power amplifier, coupling filtering and impedance matching function module, for the carrier wave analog-modulated restituted signal that carrier wave analog module is sent and received, nurse one's health, then the signal coupling after conditioning is entered to power line and realize service data interaction.
6. in the networking based on carrier wave time service according to claim 1, narrow band power line carrier equipment, it is characterized in that, the detailed process of described principal and subordinate's carrier equipment authentication module is: from carrier equipment, intercept track data, wait for the data feedback channel gap that takes up room, by authentication module transmitting apparatus authentication short message; The authentication module of main carrier equipment is received device authentication short message, utilizes the down going channel gap that takes up room, and issues device authentication license message, distributes occasional passage to take logic ID; From the authentication module of carrier equipment, receive device authentication license message, wait for that occasional passage takies logic ID gap, transmitting apparatus authentication information message; The authentication module of main carrier equipment is received device authentication infomational message, utilizes the down going channel gap that takes up room, and issues device authentication license confirmation message and distributes passage to take logic ID.
7. in the networking based on carrier wave time service according to claim 1, narrow band power line carrier equipment, it is characterized in that, the process that described time service module is carried out time service is: from carrier equipment, receive and authenticate and add carrier network, while receiving school from carrier equipment, information renewal are from carrier equipment timer, time delay when confirming while returning to school and calculating school interval time according to transmitting-receiving message, revises from carrier equipment timer.
8. in the networking based on carrier wave time service according to claim 1, narrow band power line carrier equipment, it is characterized in that, described passage takies logic authorization module to carry out the process that passage takies mandate and is: carrier equipment line speed and circuit maximum transmitted message length determine that passage can be divided into how many time slots, according to main carrier equipment is pre-configured, channel slot is divided, channel slot is with corresponding one by one from carrier equipment logic ID, up-downgoing channel grant adopts and interleaves, the non-mode of dividing equally, and allocation proportion is adjustable according to carrier network scale.
9. in the networking based on carrier wave time service according to claim 1, narrow band power line carrier equipment, it is characterized in that, described carrier network IPization refers to: principal and subordinate's carrier equipment reception carrier link packet, message restructuring parsing module is converted to TCP/IP message by carrier link message and transmits, and then by port logic, shine upon control module and realize from carrier equipment configuration data when the device authentication, by main carrier equipment, issued.
CN201310674537.1A 2013-12-11 2013-12-11 Networking based on carrier wave time service narrows band power line carrier equipment Active CN103647627B (en)

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CN104660445A (en) * 2015-01-21 2015-05-27 国家电网公司 Power line carrier system based on path cognition and networking method thereof

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CN203313213U (en) * 2013-01-24 2013-11-27 上海芯域微电子有限公司 Power line carrier multi-media high-speed broadband Internet terminal device
CN103428089A (en) * 2012-05-16 2013-12-04 深圳市金正方科技有限公司 Method and system for optimizing low-voltage power line carrier communication network

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CN202918288U (en) * 2012-09-13 2013-05-01 天津益华微电子有限公司 Electric power line carrier network communication module with timing function and intelligent ammeter
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104158565A (en) * 2014-08-07 2014-11-19 深圳供电局有限公司 Method and device for management of carrier equipment
CN104660445A (en) * 2015-01-21 2015-05-27 国家电网公司 Power line carrier system based on path cognition and networking method thereof
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