CN204539178U - A kind of portable network switching delay measurement mechanism based on FPGA - Google Patents
A kind of portable network switching delay measurement mechanism based on FPGA Download PDFInfo
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- CN204539178U CN204539178U CN201520310888.9U CN201520310888U CN204539178U CN 204539178 U CN204539178 U CN 204539178U CN 201520310888 U CN201520310888 U CN 201520310888U CN 204539178 U CN204539178 U CN 204539178U
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Abstract
The utility model is a kind of portable network switching delay measurement mechanism based on FPGA, comprising: first, second light/electric port, first, second physical interface transceiver, two markers processing modules, processor module, human-computer interface module, local clock module and power modules; Wherein, first, second light described/electric port is connected with the second physical interface transceiver is two-way with the first physical interface transceiver respectively; By RMII bus, described markers processing module is bi-directionally connected first, second physical interface transceiver described with one respectively; By data/address bus and/or RMII bus, described markers processing module is bi-directionally connected described processor module with two respectively, and is bi-directionally connected with described human-computer interface module; Described local clock module is respectively with two markers processing modules and processor module is unidirectional is connected; This application of installation scope is wide and easy and simple to handle, has practical engineering application and is worth, and is the effective tool that the excellent situation of Test Field network and communication network are safeguarded.
Description
Technical field
The utility model relates to a kind of measurement mechanism, is specifically related to a kind of portable network switching delay measurement mechanism based on FPGA.
Background technology
Along with the raising day by day of electrical network intelligence degree, transformer station just makes the transition towards intellectuality, and in traditional transformer station, communication mode adopts the direct-connected mode of point-to-point.This mode is comparatively reliable, but wiring is more complicated, construction is more difficult, cost is high, wastes a large amount of cable or optical cable and internal information of standing can not be shared.The requirement of information digitalization, communications platform networking and the sharing of information platform of entirely standing according to intelligent substation.Ethernet technology is utilized to be the technology of current industrial control field comparatively mature and feasible.Existing intelligent substation adopts two-tier network communication construction, i.e. process-level network and wall network.Process-level network connects bay device and process layer devices, and wall network connects station level equipment and bay device.The networking of relaying protection, namely net is adopted net jumping and can be realized sharing of the network information, and greatly simplifies light wiring, improves debugging efficiency, saves construction cost.
But due to the feature of ethernet technology itself, data delay is end to end caused to have uncertainty, mainly be subject to the factor impacts such as network load, service priority, transmission path, interface rate, several factors is wherein all uncertain, so the networking communicated will be realized, also need to take into full account data propagation delay time problem in a network.
Utility model content
In order to solve the problem, a kind of portable network latency measurement device based on FPGA technology that the utility model provides, solves the defect that in intelligent substation, data delay is not directly observed and analyzed.
The purpose of this utility model adopts following technical proposals to realize:
Based on a portable network latency measurement device for FPGA technology, comprising: the first light/electric port, the first physical interface transceiver, two markers processing modules, processor module, human-computer interface module, local clock module, power module, the second physical interface transceiver and the second light/electric ports; Wherein, described first light/electric port and the second light/electric port are connected with the second physical interface transceiver is two-way with the first physical interface transceiver respectively; Described markers processing module is bi-directionally connected with one respectively by RMII bus for described first physical interface transceiver and the second physical interface transceiver; By data/address bus and/or RMII bus, described markers processing module is bi-directionally connected described processor module with two respectively, and is bi-directionally connected with described human-computer interface module; Described local clock module is respectively with two markers processing modules and processor module is unidirectional is connected.
Preferably, described first physical interface transceiver is by the data service stream information of markers processing module described in the first light/electric port accepts;
Described second physical interface transceiver sends the data service stream information of described markers processing module by the second light/electric port.
Further, described markers processing module comprises protocol analysis unit, data processing unit and time-delay measuring unit; Described protocol analysis unit is bi-directionally connected with data processing unit and time-delay measuring unit respectively.
Preferably, described processor module, for controlling whole device, receives measurement and the analysis result of described markers processing module transmission, and is sent to described human-computer interface module with the form of figure and form; Be bi-directionally connected with a memory, information process information being stored in memory or storing from memory fetch simultaneously.
Further, described human-computer interface module is used for measurement and the analysis result of display unit.
Preferably, described local clock module provides 125M clock for the first physical interface transceiver and the second physical interface transceiver; For described markers processing module provides 125M clock; For described processor module provides 50M clock.
Preferably, described power module is that described device is powered; Described power module provides 2.5V, 1.2V voltage for first, second physical interface transceiver module; For latency measurement statistical module provides 1.2V, 2.5V, 3.3V voltage; For processor module provides 1V, 2.5V, 3.3V voltage; For clock module provides 3.3V voltage; For human-computer interface module Switching Module provides 2.5V, 3.3V voltage.
The beneficial effects of the utility model are:
Portable network latency measurement device based on FPGA technology to adopt in dynamic real-time measurement current network time delay end to end, be particularly useful for on-the-spot application, simple to operate being easy to realizes, and is the effective tool that the excellent situation of Test Field network and communication network are safeguarded; Solve the defect that in intelligent substation, data delay is not directly observed and analyzed, for the realization of the communication network of transformer station provides excellent support, there is practical engineering application and be worth.
Accompanying drawing explanation
The portable network latency measurement apparatus structure schematic diagram based on FPGA technology that Fig. 1 provides for the utility model.
Embodiment
As shown in Figure 1, based on a portable network latency measurement device for FPGA technology, comprising: the first light/electric port, the first physical interface transceiver, two markers processing modules, processor module, human-computer interface module, local clock module, power module, the second physical interface transceiver and the second light/electric ports; Wherein, described first light/electric port and the second light/electric port are connected with the second physical interface transceiver is two-way with the first physical interface transceiver respectively; Described markers processing module is bi-directionally connected with one respectively by RMII bus for described first physical interface transceiver and the second physical interface transceiver; By data/address bus and/or RMII bus, described markers processing module is bi-directionally connected described processor module with two respectively, and is bi-directionally connected with described human-computer interface module; Described local clock module is respectively with two markers processing modules and processor module is unidirectional is connected.
Described first physical interface transceiver is by the data service stream information of markers processing module described in the first light/electric port accepts.Described second physical interface transceiver sends the data service stream information of described markers processing module by the second light/electric port.
Described markers processing module comprises protocol analysis unit, data processing unit and time-delay measuring unit; Described protocol analysis unit is bi-directionally connected with data processing unit and time-delay measuring unit respectively.
Described processor module, for controlling whole device, receives measurement and the analysis result of described markers processing module transmission, and is sent to described human-computer interface module with the form of figure and form; Be bi-directionally connected with a memory, information process information being stored in memory or storing from memory fetch simultaneously.
Described human-computer interface module is used for measurement and the analysis result of display unit.
Described local clock module provides 125M clock for the first physical interface transceiver and the second physical interface transceiver; For described markers processing module provides 125M clock; For described processor module provides 50M clock.
Described power module is that described device is powered; Described power module provides 2.5V, 1.2V voltage for first, second physical interface transceiver module; For latency measurement statistical module provides 1.2V, 2.5V, 3.3V voltage; For processor module provides 1V, 2.5V, 3.3V voltage; For clock module provides 3.3V voltage; For human-computer interface module Switching Module provides 2.5V, 3.3V voltage.
In this article, "and/or" is wherein only a kind of incidence relation describing affiliated partner, and expression can exist three kinds of relations, and such as, A and/or B, can represent: individualism A, exists A and B simultaneously, these three kinds of situations of individualism B.In addition, character "/" herein, general expression forward-backward correlation is to the relation liking a kind of "or"; Namely term " data/address bus " and " RMII bus " are used interchangeably in this article herein.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; those of ordinary skill in the field still can modify to embodiment of the present utility model with reference to above-described embodiment or equivalent replacement; these do not depart from any amendment of the utility model spirit and scope or equivalent replacement, are all applying within the claims awaited the reply.
Claims (7)
1. the portable network latency measurement device based on FPGA technology, it is characterized in that, comprising: the first light/electric port, the first physical interface transceiver, two markers processing modules, processor module, human-computer interface module, local clock module, power module, the second physical interface transceiver and the second light/electric ports; Wherein, described first light/electric port and the second light/electric port are connected with the second physical interface transceiver is two-way with the first physical interface transceiver respectively; Described markers processing module is bi-directionally connected with one respectively by RMII bus for described first physical interface transceiver and the second physical interface transceiver; By data/address bus and/or RMII bus, described markers processing module is bi-directionally connected described processor module with two respectively, and is bi-directionally connected with described human-computer interface module; Described local clock module is respectively with two markers processing modules and processor module is unidirectional is connected.
2. portable network latency measurement device as claimed in claim 1, is characterized in that, described first physical interface transceiver is by the data service stream information of markers processing module described in the first light/electric port accepts;
Described second physical interface transceiver sends the data service stream information of described markers processing module by the second light/electric port.
3. portable network latency measurement device as claimed in claim 2, it is characterized in that, described markers processing module comprises protocol analysis unit, data processing unit and time-delay measuring unit; Described protocol analysis unit is bi-directionally connected with data processing unit and time-delay measuring unit respectively.
4. portable network latency measurement device as claimed in claim 1, it is characterized in that, described processor module, for controlling whole device, receives measurement and the analysis result of described markers processing module transmission, and is sent to described human-computer interface module with the form of figure and form; Be bi-directionally connected with a memory, information process information being stored in memory or storing from memory fetch simultaneously.
5. portable network latency measurement device as claimed in claim 4, is characterized in that, described human-computer interface module is used for measurement and the analysis result of display unit.
6. portable network latency measurement device as claimed in claim 1, is characterized in that, described local clock module provides 125M clock for described first physical interface transceiver and the second physical interface transceiver; For described markers processing module provides 125M clock; For described processor module provides 50M clock.
7. portable network latency measurement device as claimed in claim 1, it is characterized in that, described power module is that described device is powered; Described power module provides 2.5V, 1.2V voltage for first, second physical interface transceiver module; For latency measurement statistical module provides 1.2V, 2.5V, 3.3V voltage; For processor module provides 1V, 2.5V, 3.3V voltage; For clock module provides 3.3V voltage; For human-computer interface module Switching Module provides 2.5V, 3.3V voltage.
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| CN201520310888.9U CN204539178U (en) | 2015-05-14 | 2015-05-14 | A kind of portable network switching delay measurement mechanism based on FPGA |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106254381A (en) * | 2016-09-12 | 2016-12-21 | 全球能源互联网研究院 | Protocol analysis method, device and comprise the Layer2 switching system of protocol analysis device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106254381A (en) * | 2016-09-12 | 2016-12-21 | 全球能源互联网研究院 | Protocol analysis method, device and comprise the Layer2 switching system of protocol analysis device |
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