CN105049122A - Arc light data uploading method based on fiber double-loop network - Google Patents
Arc light data uploading method based on fiber double-loop network Download PDFInfo
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- CN105049122A CN105049122A CN201510264602.2A CN201510264602A CN105049122A CN 105049122 A CN105049122 A CN 105049122A CN 201510264602 A CN201510264602 A CN 201510264602A CN 105049122 A CN105049122 A CN 105049122A
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Abstract
The invention discloses an arc light data uploading method based on a fiber double-loop network. The method comprises the following steps of (1) making a plurality of arc light expanders and two arc light protecting devices inside an arc light protecting system connected through fibers and interconnected through an HSR protocol to form a fiber double-loop network structure; (2) uploading locally sampled arc light data through each arc light expander with a 0.5ms interval to achieve arc light data sharing between the two arc light protecting devices, wherein, the arc light data are HSR protocol messages; (3) transmitting and receiving arc light data by each node through the other fiber loop network when one fiber loop network is faulty. The arc light data uploading method based on the fiber double-loop network achieves high-speed and reliable communication among the arc light expanders and the arc light protecting devices and solves various problems in a conventional arc light protecting system. The method which further improves the arc light protecting motion speed and reliability has a great application prospect.
Description
Technical field
The present invention relates to arc light protecting system technical field, be specifically related to a kind of based on delivery method in the arc light data of optical fiber dual ring net.
Background technology
The arc light data of arc probe need fast, reliably on deliver to arc light protecting device; the speed that arc light data are sent must be very high; to ensure that arc light protecting device can breaking arc rapidly; and; arc light data are sent passage must have very high reliability, cause because of communication line situation about breaking down to avoid arc light protecting device according to dynamic.
At present, arc light expander is all have employed by serial ports sending data to the mode of arc light protecting device in domestic arc light protecting system, but, because the serial ports of arc light protecting device is limited, in order to the access quantity of arc probe, need to adopt the mode expanded step by step by arc light expander, as shown in Figure 1, arc light protecting device protective device contains 2 serial ports inputs, realize the arc light data that access 2 arc light expanders send, simultaneously, each arc light expander also can access by serial ports the arc light data that other arc light expander send, but, mainly there is the problem of the following aspects in above-mentioned mode,
(1) due to the serial ports limited amount of arc light protecting device, therefore, the quantity that system can access arc probe is also so limited, can not be a lot, generally within 300 o'clock;
(2) because the speed of serial communication cannot be accomplished very high, generally within 5Mbps, along with the increase of counting, the amount of arc light data also can become large, transfer of data time delay now can be caused to increase, and then also can extend, the performance of influential system the operate time of arc protection;
(3) system have employed the mode of single network, poor reliability, once fault has appearred in network, arc light protecting device cannot normally run;
(4) for the highly reliable occasion needing two-node cluster hot backup, be connected between arc light protecting device for subsequent use and arc light expander by serial ports, in the occasion that arc light expander is many, the optical fiber of required increase is also many, and wiring is complicated, and reliability is low.
Therefore, how solving the various problems in existing arc light protecting system, is current urgent problem.
Summary of the invention
In order to overcome above-mentioned problem; provided by the invention based on delivery method in the arc light data of optical fiber dual ring net; realize high speed between arc light expander and arc light protecting device, reliably communicate; solve the various problems in existing arc light protecting system; further raising arc protection responsiveness and reliability, have a good application prospect.
In order to achieve the above object, the technical solution adopted in the present invention is:
Based on a delivery method in the arc light data of optical fiber dual ring net, it is characterized in that: comprise the following steps,
Step (1), passes through Fiber connection by the multiple arc light expander in arc light protecting system and two arc light protecting devices, and is undertaken interconnected by HSR agreement, form optical fiber dual ring web frame;
Step (2), each arc light expander is according to the arc light data interval of 0.5ms being sent local sampling, arc light data are HSR protocol massages, the destination address of HSR protocol massages is the form of multicast, this multicast address is that arc light protecting device receives, after other arc light expander receives this HSR protocol massages, only forward, realize arc light data and carry out arc light data sharing between two arc light protecting devices;
Step (3), when a road optical fiber ring network breaks down, carries out the transmitting-receiving of arc light data by another road optical fiber ring network between each node.
Aforesaid based on delivery method in the arc light data of optical fiber dual ring net, it is characterized in that: two arc light protecting devices of step (1), one of them is arc light protecting device for subsequent use.
Aforesaid based on delivery method in the arc light data of optical fiber dual ring net; it is characterized in that: multiple arc light expander and two arc light protecting devices are equipped with two fiber optic Ethernet network interfaces; the bandwidth of each fiber optic Ethernet network interface is 100Mbps or 1000Mbps, and the uploading rate of arc light data is 100Mbps or 1000Mbps.
Aforesaid based on delivery method in the arc light data of optical fiber dual ring net, it is characterized in that: step (1), undertaken interconnected by HSR agreement, the method forming optical fiber dual ring web frame is, after each node have received HSR protocol massages, first judge that whether the destination address of this message is consistent with the machine address, if inconsistent, then this message is directly transmitted to next node, otherwise receives this message and to go forward side by side row relax; If the source address of this message is consistent with the machine address, then this message is that this node sends, then node can stop the forwarding of this message.
The invention has the beneficial effects as follows: of the present invention based on delivery method in the arc light data of optical fiber ring network; realize high speed between arc light expander and arc light protecting device, reliably communicate; solve the various problems in existing arc light protecting system; further raising arc protection responsiveness and reliability; specifically comprise following advantage
(1) greatly can improve the arc light data upload speed between arc light expander and arc light protecting device, uploading speed can be configured to 100Mbps or 1000Mbps, far above the traffic rate of serial ports, improves the performance of system;
(2) optical fiber dual ring web frame is set up, networking is simple, convenient, flexible expansion, be convenient to increase, subtract arc light expander, only need external for arc light expander four Fiber connection well, in addition, when increasing an arc light protecting device for subsequent use, only need arc light protecting device access network for subsequent use, the restriction of quantity only limited each node address figure place of the arc light expander of access, if address is according to 8 calculating, so in looped network, comprise 256 nodes altogether, consider two addresses that arc light protecting device is reserved, system can access 254 arc light expanders altogether, each arc light expander accesses 16 arc probe, the quantity that can access arc probe in theory can reach 254*16=4064 point, this quantity can access the number of arc probe far above domestic existing arc light arc light protecting device,
(3) when a road optical fiber ring network breaks down, carried out the transmitting-receiving of arc light data between each node by another road optical fiber ring network, so that system still can normally work, significantly improve unfailing performance.
Accompanying drawing explanation
Fig. 1 is the connection diagram of existing arc light protecting system.
Fig. 2 is the connection diagram of arc light protecting system of the present invention.
Fig. 3 is the flow chart based on delivery method in the arc light data of optical fiber ring network of the present invention.
Embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
Of the present invention based on delivery method in the arc light data of optical fiber dual ring net; realize high speed between arc light expander and arc light protecting device, reliably communicate; solve the various problems in existing arc light protecting system; further raising arc protection responsiveness and reliability; as shown in Figures 2 and 3; comprise the following steps
Step (1), multiple arc light expander in arc light protecting system and two arc light protecting devices are passed through Fiber connection, and by the highly reliable seamless looped network redundancy of HSR() agreement carries out interconnected, form optical fiber dual ring web frame, two arc light protecting devices, one of them is arc light protecting device for subsequent use, multiple arc light expander and two arc light protecting devices are equipped with two fiber optic Ethernet network interfaces, the bandwidth of each fiber optic Ethernet network interface is 100Mbps or 1000Mbps, the uploading rate of arc light data is 100Mbps or 1000Mbps, far above the traffic rate of existing serial ports, improve the performance of system,
Undertaken interconnected by HSR agreement, the method forming optical fiber dual ring web frame is, after each node have received HSR protocol massages, first judge that whether the destination address of this message is consistent with the machine address, if inconsistent, then this message is directly transmitted to next node, otherwise receives this message and to go forward side by side row relax; If the source address of this message is consistent with the machine address, then this message is that this node sends, then node can stop the forwarding of this message;
The restriction of the quantity of the arc light expander that arc light protecting system of the present invention can access only limited each node address figure place, if address is according to 8 calculating, so in looped network, 256 nodes can be comprised altogether, consider two addresses that arc light protecting device is reserved, so system can access 254 arc light expanders altogether; Each arc light expander can access 16 arc probe, and the quantity that so Systems Theory can access arc probe can reach 254*16=4064 point, and this quantity can access the number of arc probe far above domestic existing arc light arc light protecting device;
Step (2), each arc light expander is according to the arc light data interval of 0.5ms being sent local sampling, arc light data are HSR protocol massages, the destination address of HSR protocol massages is the form of multicast, this multicast address is that arc light protecting device receives, after other arc light expander receives this HSR protocol massages, only forward, realize arc light data and carry out arc light data sharing between two arc light protecting devices;
Step (3), when a road optical fiber ring network breaks down, is carried out the transmitting-receiving of arc light data, so that system still can normally work, significantly improves unfailing performance by another road optical fiber ring network between each node.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof.
Claims (4)
1., based on a delivery method in the arc light data of optical fiber dual ring net, it is characterized in that: comprise the following steps,
Step (1), passes through Fiber connection by the multiple arc light expander in arc light protecting system and two arc light protecting devices, and is undertaken interconnected by HSR agreement, form optical fiber dual ring web frame;
Step (2), each arc light expander is according to the arc light data interval of 0.5ms being sent local sampling, arc light data are HSR protocol massages, the destination address of HSR protocol massages is the form of multicast, this multicast address is that arc light protecting device receives, after other arc light expander receives this HSR protocol massages, only forward, realize arc light data and carry out arc light data sharing between two arc light protecting devices;
Step (3), when a road optical fiber ring network breaks down, carries out the transmitting-receiving of arc light data by another road optical fiber ring network between each node.
2. according to claim 1 based on delivery method in the arc light data of optical fiber dual ring net, it is characterized in that: two arc light protecting devices of step (1), one of them is arc light protecting device for subsequent use.
3. according to claim 1 based on delivery method in the arc light data of optical fiber dual ring net; it is characterized in that: multiple arc light expander and two arc light protecting devices are equipped with two fiber optic Ethernet network interfaces; the bandwidth of each fiber optic Ethernet network interface is 100Mbps or 1000Mbps, and the uploading rate of arc light data is 100Mbps or 1000Mbps.
4. according to claim 1 based on delivery method in the arc light data of optical fiber dual ring net, it is characterized in that: step (1), undertaken interconnected by HSR agreement, the method forming optical fiber dual ring web frame is, after each node have received HSR protocol massages, first judge that whether the destination address of this message is consistent with the machine address, if inconsistent, then this message is directly transmitted to next node, otherwise receives this message and to go forward side by side row relax; If the source address of this message is consistent with the machine address, then this message is that this node sends, then node can stop the forwarding of this message.
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| CN201510264602.2A CN105049122B (en) | 2015-05-22 | 2015-05-22 | Delivery method in arc light data based on optical fiber dual ring net |
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Cited By (1)
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| CN110048383A (en) * | 2019-05-07 | 2019-07-23 | 南京国电南自电网自动化有限公司 | A kind of power distribution network Distributed Integration protection system |
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