CN202421768U - Multifunctional time synchronization calibrator for electric power systems - Google Patents

Abstract

Translated fromChinese

本实用新型公开一种多功能电力系统时间同步校验仪，涉及工业自动化时间同步校验技术领域。包括ARM模块、FPGA模块、卫星时间接收模块、铷原子钟模块、时间信号输入/输出模块、交流电压输入/输出模块、高速A/D模块、通信模块、MMI模块、供电模块；其中卫星时间接收模块、铷原子钟模块、时间信号输入/输出模块、交流电压输入/输出模块、高速A/D模块分别与与FPGA模块相连；通信模块、MMI模块、供电模块分别与ARM模块相连；FPGA模块通过并行总线与ARM模块连接。解决了电力系统二次设备及同步时钟装置提供的各种类型时间信号的准确度和稳定度校验问题。轻巧便携，适用于各种测试校验环境。

The utility model discloses a multifunctional power system time synchronization calibration instrument, which relates to the technical field of industrial automation time synchronization calibration. Including ARM module, FPGA module, satellite time receiving module, rubidium atomic clock module, time signal input/output module, AC voltage input/output module, high-speed A/D module, communication module, MMI module, power supply module; the satellite time receiving module , rubidium atomic clock module, time signal input/output module, AC voltage input/output module, and high-speed A/D module are respectively connected to the FPGA module; the communication module, MMI module, and power supply module are respectively connected to the ARM module; the FPGA module is connected through a parallel bus Connect with ARM module. It solves the problem of checking the accuracy and stability of various types of time signals provided by secondary equipment and synchronous clock devices in power systems. Lightweight and portable, it is suitable for various testing and verification environments.

Description

Multifunction power system time synchronization check appearance

Technical field

The utility model belongs to industrial automation time synchronized calibration technology field, especially is applied in the Multi-function Time synchronization check instrument of secondary device in the electric system.

Background technology

Unified clock is self-evident to electric system in monitoring in real time, importance at aspects such as line computation, crash analysis, statistics filings; Go deep into along with what the Big Dipper, gps satellite clock were used; Make the whole network unified clock become possibility, each Utilities Electric Co. of the whole nation just is being devoted to this work at present.Want to reach the whole network unified clock truly; Have two important steps strict to control: one provide clock equipment gps clock device for example; Another is the equipment of applied clock, for example secondary automation equipments such as protective device, fault wave recording device, travelling wave ranging device, vector measurement device.How are the accuracy of all kinds clock signal that Synchronization Clock provides and degree of stability? Does the time mark of each secondary device data in the use of clock have bias free? Sequence of events recording SOE etc. for example.The situation of electric system at present is that secondary device is of a great variety; There are protection kind equipment, power remote monitor class, metering class, phasor measurement class, record ripple record class, thunder and lightning to measure class, quality of power supply class etc.; The required temporal information and the interface type of time signal are also a lot; Need a kind of existing electric system required temporal information and the time synchronized tester of time signal of containing of design, the while is lightly portable, reserve battery is arranged, be applicable to various on-the-spot test, the verification environment.Existing time synchronized tester and similar products; Main deficiency is only to adopt the frequency measurement comparison of gps clock, limited, the no alternating voltage of interface type (civil power), can't accomplish to accomplish the time synchronized verification to various secondary devices in transformer station, the generating plant with an instrument.Need a kind of tester lock in time that meets the electric system demand to solve these problems.Literature search finds, with the utility model the most approaching be that one Chinese patent application number is the patented claim for " portable event journal and time synchronization check appearance " of 200910051487.5 exercise question.It to the effect that utilizes GPS receiver module, central processing unit to handle test speed-sensitive switch amount input channel temporal resolution and Channel Response Time; But the utility model and its are different on utility model purpose, technical solution.

The utility model content

The purpose of the utility model provides a kind of electric system demand that meets, and contains the portable multi-function time synchronized tester of existing electric system required time information and time signal and all kinds of interface channel and protocol type.

Realize that the technical scheme that the utility model above-mentioned purpose is adopted is: multifunction power system time synchronization check appearance comprises ARMmodule 1,FPGA module 2, satellitetime receiver module 3,4, rubidiumatomic clock module 5, time signal input/output module, alternating voltage input/output module 13, high-speed a/d module 14,communication module 18,19, touch-screen,Keysheet module 20,supply module 15,16,17; Said satellitetime receiver module 3,4 comprises big-dippersatellite receiver module 4, gpssatellite receiver module 3; Said time signal input/output module comprises passive time pulse input/output module 6, active time pulse input/output module 7, multimode optical fiber input/output module 8, single-mode fiber input/output module 9, TTL signal input/output module 10, RS-485 signal input/output module 11, alternating-current B sign indicating number input/output module 12; Said communication module comprises PTP/NTP/SNTPnetwork communication module 19, RS-232/422communication module 18; Touch-screen,Keysheet module 20 comprise touch screen module, Keysheet module; Supply module comprises working power module, battery module, DC voltage source module.

Said big-dippersatellite receiver module 4, gpssatellite receiver module 3, rubidiumatomic clock module 5, passive time pulse input/output module 6, active time pulse input/output module 7, multimode optical fiber input/output module 8, single-mode fiber input/output module 9, TTL signal input/output module 10, RS-485 signal input/output module 11, alternating-current B sign indicating number input/output module 12, alternating voltage input/output module 13, high-speed a/d module 14 all are connected toFPGA module 2; Said PTP/NTP/SNTPnetwork communication module 19, RS-232/422communication module 18, touch-screen,Keysheet module 20 all are connected to ARMmodule 1; SaidFPGA module 2 connects ARMmodule 1 through parallel bus.

SaidFPGA module 2 realizes GPS through the programmable digital logic circuit; Big Dipper temporal information and timesignal processing module 201; Rubidium atomic clock istamed module 202; Internalclocking base modules 203; Multipath clockcompensation output module 204; High-speed a/d sampling andmemory module 205; I/O passage and agreement associatedselection module 206;Frequency signal module 207;PPS pulse module 208;PPM pulse module 209;PPH pulse module 210; IRIG-B-DC module 211; IRIG-B-AC module 212;DCF77 module 213; The functions of modules of alternatingvoltage frequency module 214.

Said I/O passage and agreement associatedselection module 206 can be according to the setting of project to be tested automatically with the for example passive time pulse input/output modules 6 in I/O physical channel; Active time pulse input/output module 7; Multimode optical fiber input/output module 8; Single-mode fiber input/output module 9; TTL signal input/output module 10; RS-485 signal input/output module 11; Alternating-current B sign indicating number input/output module 12; Alternating voltage input/output module 13 and signaling protocol such asfrequency signal module 207;PPS pulse module 208;PPM pulse module 209;PPH pulse module 210; IRIG-B-DC module 211; IRIG-B-AC module 212;DCF77 module 213; Alternatingvoltage frequency module 214 associated selection together.

Saidfrequency signal module 207,PPS pulse module 208,PPM pulse module 209,PPH pulse module 210, IRIG-B-DC module 211, IRIG-B-AC module 212,DCF77 module 213, alternatingvoltage frequency module 214 include that separately input signal is resolved and the output signal generates two parts, fix to guarantee that time signal and temporal information are transmitted in time, delayed time in the utility model.

The utility model multifunction power system time synchronization check appearance can be realized following test verification project under its software support:

A) UTC is provided the standard time;

B) PPS, PPM, PPH, IRIG-B-DC, IRIG-B-AC, DCF77 equal time signal and the temporal information of standard are provided;

C) time signal of test clock equipment output time-delay;

D) the time signal transmission of test clock equipment time-delay;

E) test clock equipment time bias ability;

F) the punctual precision of test clock equipment;

G) stability of the time signal of test clock equipment output;

H) Test Switchboard amount acquisition precision;

I) collection of Test Switchboard amount goes to tremble time-delay;

J) the test automation device to the time result;

K) the signal jumping moment is left in test;

L) pulsewidth of test pulse signal, cycle and frequency;

M) test unlike signal, the different time difference of triggering;

N) frequency difference of test signal;

O) test 220V alternating voltage frequency;

Compare with prior art, significant advantage and good effect are arranged.

Description of drawings

Fig. 1 is the described multifunction power system time of a utility model synchronization check instrument system structured flowchart synoptic diagram.

Fig. 2 is the described FPGA programmable digital logic circuit block diagram synoptic diagram of the utility model.

Fig. 3 is the described tester course of work of a utility model embodiment synoptic diagram.

Embodiment

In conjunction with accompanying drawing and embodiment the utility model is done further explanation.

Referring to Fig. 1, Fig. 2, Fig. 3; Multifunction power system time synchronization check appearance be can know from Fig. 1,ARM module 1,FPGA module 2, satellitetime receiver module 3,4, rubidiumatomic clock module 5, time signal input/output module, alternating voltage input/output module 13, high-speed a/d module 14,communication module 18,19, touch-screen,Keysheet module 20,supply module 15,16,17 comprised.What wherein ARMmodule 1 adopted is TI AM3517 Cortex-A8 chip; WhatFPGA module 2 adopted is Xilinx XC3S1400AN chip, and that rubidiumatomic clock module 5 adopts is Symmetricom SA.33m.

SA.33M is the rubidium oscillator of miniaturization, and their size is consistent with some constant-temperature crystal oscillators of symmetricom company with the stitch design, so that substitute constant-temperature crystal oscillator.Have the performance of atomic oscillator, volume is little, advantage low in energy consumption.Signal output: 10 MHz square-wave signals, 3.3V ACMOS level, Vl < 0.5V, Vh>2.7V15pf load, rising/fall time: < 10ns, dutycycle: 50% ± 10%; What said high-speed a/>d module 14 present embodiments adopted is Analog Devices AD9288 model.

Satellitetime receiver module 3,4 comprises big-dippersatellite receiver module 4, gpssatellite receiver module 3; The big-dipper satellite receiver module adopts BD-6 S2 model, and the gps satellite receiver module adopts U_BLOX 6T model; Said time signal input/output module comprises passive time pulse input/output module 6, active time pulse input/output module 7, multimode optical fiber input/output module 8, single-mode fiber input/output module 9, TTL signal input/output module 10, RS-485 signal input/output module 11, alternating-current B sign indicating number input/output module 12; Said communication module comprises PTP/NTP/SNTPnetwork communication module 19, RS-232/422communication module 18; Touch-screen,Keysheet module 20 comprise touch screen module, Keysheet module; Supply module comprises working power module, battery module, DC voltage source module; Voltage 110 ~ 220V alternating current-direct current self-adaptation of working power module, battery module voltage is 12V, the DC voltage source module is 5V ~ 230V scalable output.

Big-dippersatellite receiver module 4, gpssatellite receiver module 3, rubidiumatomic clock module 5, passive time pulse input/output module 6, active time pulse input/output module 7, multimode optical fiber input/output module 8, single-mode fiber input/output module 9, TTL signal input/output module 10, RS-485 signal input/output module 11, alternating-current B sign indicating number input/output module 12, alternating voltage input/output module 13, high-speed a/d module 14 all are connected toFPGA module 2; Said PTP/NTP/SNTPnetwork communication module 19, RS-232/422communication module 18, touch-screen,Keysheet module 20 all are connected to ARMmodule 1; SaidFPGA module 2 connects ARMmodule 1 through parallel bus.

Fig. 2 has illustrated saidFPGA module 2 to realize GPS through the programmable digital logic circuit; Big Dipper temporal information and timesignal processing module 201; Rubidium atomic clock istamed module 202; Internalclocking base modules 203; Multipath clockcompensation output module 204; High-speed a/d sampling andmemory module 205; I/O passage and agreement associatedselection module 206;Frequency signal module 207;PPS pulse module 208;PPM pulse module 209;PPH pulse module 210; IRIG-B-DC module 211; IRIG-B-AC module 212;DCF77 module 213; The functions of modules of alternatingvoltage frequency module 214.

Saidfrequency signal module 207,PPS pulse module 208,PPM pulse module 209,PPH pulse module 210, IRIG-B-DC module 211, IRIG-B-AC module 212,DCF77 module 213, alternatingvoltage frequency module 214 include that separately input signal is resolved and the output signal generates two parts.Above-mentioned each module is all closed with I/O passage and agreement associated selection module lotus root, and for example I/O passage and agreement associatedselection module 206 can be according to the setting of project to be tested automatically with the passive time pulse input/output module in I/O physical channel, active time pulse input/output module, multimode optical fiber input/output module, single-mode fiber input/output module, TTL signal input/output module, RS-485 signal input/output module, alternating-current B sign indicating number input/output module, alternating voltage input/output module and signaling protocol frequency signal module, PPS pulse module, PPM pulse module, PPH pulse module, IRIG-B-DC module, IRIG-B-AC module, DCF77 module, alternating voltage frequency module associated selection together.In the utility model, transmit in time, delay time fixing to guarantee time signal and temporal information.

GPS, Big Dipper temporal information and time signal processing module utilize gps satellite time receiver module, big-dipper satellite time receiver module to receive satellite time simultaneously; Can the UTC time precision that provide be brought up to 50ns from 100ns along constantly doing the Gaussian distribution statistics second to separately.

Rubidium atomic clock is tamed the PPS that module provides through the internal clocking base modules, and the PPS and the 10MHz that adopt taming algorithm to make the taming module of rubidium atomic clock offer the internal clocking base modules overlap with its rising edge to greatest extent.When whole external clocks disappeared, the internal clocking base modules can provide inner punctual temporal information and time signal.

Multipath clockcompensation output module 204 receives the internal standard time signal that internalclocking base modules 203 provides, and according to each paths different delayed time, exports the different make-up time signals in each road, guarantees that each passage I/O porch time is consistent.

The alternating voltage input/output module can provide 50～250V/40～60Hz standard sine wave output circuit and input ac voltage frequency measurement, and 2 the tunnel at a high speed 8 A/D modules can 800MHz sampling rate write input waveform, is used for observation, analyzes.

The technical performance index that the utility model reaches is following:

Time precision measuring resolution: 0.2ns;

Precision is tamed in the frequency marking source: 1.1 * 10^-11After 1 hour;

Environment for use: working temperature-10 ℃～+ 50 ℃;

Output time precision: PPS/PPM/PPH ± 15ns, IRIG-B-DC ± 15ns, DCF77 ± 15ns, IRIG-B-AC ± 100ns;

Time signal measuring accuracy: 20ns;

Time reference and standard UTC error: less than 50ns.

National Energy Board in 2009 issue power industry standard " the clock synchronization system first of electric system: technical manual " in, stipulated that time signal should comprise special signals such as pulse signal, IRIG-B sign indicating number, serial port time message, network time message.IRIG-B is meant that IRIG (U.S. the Inter-Range Instrumentation Group) has A, B, D, E, G, several kinds of coding standards of H (IRIG Standard 200-98).Wherein in clock synchronization is used, using maximum is the IRIG-B coding.

Fig. 3 has illustrated the described tester course of work of the utility model embodiment, is example with the test of IRIG-B time signal: press Fig. 3 mode with time signal from equipment under test synchronization check turn-on time appearance, the input interface type can be one of following type:

– Transistor-Transistor Logic level mode;

– idle contact mode;

– RS-485/RS-422 differential interface;

– optical fiber interface (single mode, multimode).

Content measurement comprises: on time along the rise time, on time along error, positive pulsewidth, code-element period, stability measurement,

Carrier frequency, amplitude, modulation ratio, output impedance IRIG-B-AC; And can verify IRIG-B timecode information correctness: comprise local time information, B code check position, time-zone information, temporal quality information, leap second identification information, SBS information.

Claims (4)

Translated fromChinese

1.一种多功能电力系统时间同步校验仪，其特征在于，包括ARM模块（1）、FPGA模块（2）、卫星时间接收模块（3、4）、铷原子钟模块（5）、时间信号输入/输出模块、交流电压输入/输出模块（13）、高速A/D模块（14）、通信模块（18、19）、触摸屏、键盘模块（20）、供电模块（15、16、17）；所述卫星时间接收模块（3、4）包括北斗卫星接收模块（4）、GPS卫星接收模块（3）；所述时间信号输入/输出模块包括无源时间脉冲输入/输出模块（6）、有源时间脉冲输入/输出模块（7）、多模光纤输入/输出模块（8）、单模光纤输入/输出模块（9）、TTL信号输入/输出模块（10）、RS-485信号输入/输出模块（11）、交流B码输入/输出模块（12）；所述通信模块包括PTP/NTP/SNTP网络通信模块（19）、RS-232/422通信模块（18）；触摸屏、键盘模块（20）包括触摸屏模块、键盘模块；供电模块包括工作电源模块（15）、电池模块（16）、直流电压源模块（17）；1. A multifunctional power system time synchronization calibrator, characterized in that it includes an ARM module (1), an FPGA module (2), a satellite time receiving module (3, 4), a rubidium atomic clock module (5), a time signal Input/output module, AC voltage input/output module (13), high-speed A/D module (14), communication module (18, 19), touch screen, keyboard module (20), power supply module (15, 16, 17); The satellite time receiving module (3, 4) includes a Beidou satellite receiving module (4), a GPS satellite receiving module (3); the time signal input/output module includes a passive time pulse input/output module (6), an active Source time pulse input/output module (7), multi-mode optical fiber input/output module (8), single-mode optical fiber input/output module (9), TTL signal input/output module (10), RS-485 signal input/output Module (11), AC B code input/output module (12); the communication module includes a PTP/NTP/SNTP network communication module (19), RS-232/422 communication module (18); touch screen, keyboard module (20 ) includes a touch screen module and a keyboard module; the power supply module includes a working power supply module (15), a battery module (16), and a DC voltage source module (17);所述北斗卫星接收模块（4）、GPS卫星接收模块（3）、铷原子钟模（5）、无源时间脉冲输入/输出模块（6）、有源时间脉冲输入/输出模块（7）、多模光纤输入/输出模块（8）、单模光纤输入/输出模块（9）、TTL信号输入/输出模块（10）、RS-485信号输入/输出模块（11）、交流B码输入/输出模块（12）、交流电压输入/输出模块（13）、高速A/D模块（14）均连接到FPGA模块（2）；所述PTP/NTP/SNTP网络通信模块（19）、RS-232/422通信模块（18）、触摸屏、键盘模块（20）均连接到ARM模块（1）；所述FPGA模块（2）通过并行总线连接到ARM模块（1）。The Beidou satellite receiving module (4), GPS satellite receiving module (3), rubidium atomic clock model (5), passive time pulse input/output module (6), active time pulse input/output module (7), multiple Mode fiber input/output module (8), single-mode fiber input/output module (9), TTL signal input/output module (10), RS-485 signal input/output module (11), AC B code input/output module (12), the AC voltage input/output module (13), and the high-speed A/D module (14) are all connected to the FPGA module (2); the PTP/NTP/SNTP network communication module (19), RS-232/422 The communication module (18), the touch screen and the keyboard module (20) are all connected to the ARM module (1); the FPGA module (2) is connected to the ARM module (1) through a parallel bus.2.根据权利要求1所述的多功能电力系统时间同步校验仪，其特征在于，所述FPGA模块（2）通过可编程数字逻辑电路实现GPS、北斗时间信息和时间信号处理模块（201）、铷原子钟驯服模块（202）、内部时钟基准模块（203）、多路时钟补偿输出模块（204）、高速A/D采样及存储模块（205）、输入/输出通道与协议关联选择模块（206）、频率信号模块（207）、PPS脉冲模块（208）、PPM脉冲模块（209）、PPH脉冲模块（210）、IRIG-B-DC模块（211）、IRIG-B-AC模块（212）、DCF77模块（213）、交流电压频率模块（214）的模块功能。2. The multifunctional power system time synchronization calibrator according to claim 1, characterized in that, the FPGA module (2) implements GPS, Beidou time information and time signal processing module (201) through a programmable digital logic circuit , rubidium atomic clock taming module (202), internal clock reference module (203), multi-channel clock compensation output module (204), high-speed A/D sampling and storage module (205), input/output channel and protocol association selection module (206 ), frequency signal module (207), PPS pulse module (208), PPM pulse module (209), PPH pulse module (210), IRIG-B-DC module (211), IRIG-B-AC module (212), The module functions of the DCF77 module (213) and the AC voltage frequency module (214).3.根据权利要求2所述的多功能电力系统时间同步校验仪，其特征在于：所述输入/输出通道与协议关联选择模块（206）可根据被测试项目的设置自动地将输入/输出物理通道无源时间脉冲输入/输出模块、有源时间脉冲输入/输出模块、多模光纤输入/输出模块、单模光纤输入/输出模块、TTL信号输入/输出模块、RS-485信号输入/输出模块、交流B码输入/输出模块、交流电压输入/输出模块与信号协议频率信号模块、PPS脉冲模块、PPM脉冲模块、PPH脉冲模块、IRIG-B-DC模块、IRIG-B-AC模块、DCF77模块、交流电压频率模块关联选择在一起。3. The multifunctional power system time synchronization calibrator according to claim 2, characterized in that: the input/output channel and protocol association selection module (206) can automatically set the input/output Physical channel passive time pulse input/output module, active time pulse input/output module, multimode fiber input/output module, single mode fiber input/output module, TTL signal input/output module, RS-485 signal input/output Module, AC B code input/output module, AC voltage input/output module and signal protocol frequency signal module, PPS pulse module, PPM pulse module, PPH pulse module, IRIG-B-DC module, IRIG-B-AC module, DCF77 The module and the AC voltage frequency module are associated and selected together.4.根据权利要求2所述的多功能电力系统时间同步校验仪，其特征在于，所述频率信号模块（207）、PPS脉冲模块（208）、PPM脉冲模块（209）、PPH脉冲模块（210）、IRIG-B-DC模块（211）、IRIG-B-AC模块（212）、DCF77模块（213）、交流电压频率模块（214）均包括各自的输入信号解析和输出信号生成两部分。4. The multifunctional power system time synchronization calibrator according to claim 2, characterized in that the frequency signal module (207), PPS pulse module (208), PPM pulse module (209), PPH pulse module ( 210), the IRIG-B-DC module (211), the IRIG-B-AC module (212), the DCF77 module (213), and the AC voltage frequency module (214) all include two parts: input signal analysis and output signal generation.

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