CN105406994A - Automatic system communication loop module and method - Google Patents

Automatic system communication loop module and method Download PDF

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Publication number
CN105406994A
CN105406994A CN201510710419.0A CN201510710419A CN105406994A CN 105406994 A CN105406994 A CN 105406994A CN 201510710419 A CN201510710419 A CN 201510710419A CN 105406994 A CN105406994 A CN 105406994A
Authority
CN
China
Prior art keywords
terminal
zener diode
signal
electric brake
ring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510710419.0A
Other languages
Chinese (zh)
Inventor
王燕
王玲珑
王元元
孙铭妤
杜冬艳
张丹
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
Dongying Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Dongying Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Dongying Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201510710419.0A priority Critical patent/CN105406994A/en
Publication of CN105406994A publication Critical patent/CN105406994A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06Management of faults, events, alarms or notifications
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06Management of faults, events, alarms or notifications
    • H04L41/0654Management of faults, events, alarms or notifications using network fault recovery

Abstract

The invention relates to an automatic system communication loop module and a method. The module comprises jumping wire switches, MAX202 chips and photoelectric converters, wherein the jumping wire switches are arranged at a signal input end and a signal output end; communication signals are connected with the MAX202 chips via the jumping wire switches; each MAX202 chip serves as a digital signal processing chip for receiving and processing signals; digital signals are processed by the photoelectric converters and electric signals are obtained; and the jumping wire switches are a switch circuit. The module and the method have the beneficial effects that the EMS system channel fault processing time is greatly shortened, a strong technical supporting means is provided for quickly recovering real-time data of the EMS system, and strong basic data are provided for enabling a dispatcher to quickly handle power grid accidents.

Description

A kind of automated system communications loop module and method
Technical field
The present invention relates to a kind of automated system communications loop lane testing Apparatus and method for, a kind of particularly automated system communications loop module and method.
Background technology
Automation system for the power network dispatching (EMS) is responsible for transformer station, the telemonitoring of power plant and wind field, the senior application work such as control and operation of power networks analysis; wherein the analog channel part of main station system is responsible for receiving the field apparatus operation information such as remote measurement, remote signalling, protection that each plant stand is sent; and send various data message and control command to each plant stand, in the normal operation of EMS system, play very important effect.Once analog channel breaks down, EMS system and electrical network power plant and substation's information just out of touch, will dispatcher be had a strong impact on to the judgement of whole operation of power networks state and control, also necessary dispatching command cannot be issued to the critical component of operation of power networks.
The analog channel part of automated system is made up of main station system, communication system and transformer substation system three parts, when treatment channel fault, first wants first failure judgement to be appear at which part, this need of work having come from ring by passage.Existing main website runs product and mainly contains two kinds from ring method, and one is carried out from ring at Wiring module clamping cable, and another is on Wiring module, use self-looped testing line.First method needs at module routing, if frequent routing is taken out stitches, is easy to make the copper sheet of Wiring module to loosen, causes permanent path deterioration; The second way is due to design problem, original channel line cable tie easily goes out by the short circuit head of self-looped testing cable after extracting Wiring module, if needed to different directions from ring, need to carry out from ring in different positions, therefore existing passage has been not suitable for fast and safely from ring detecting pattern diagnosis channel failure.
Summary of the invention
Object of the present invention is exactly in view of the foregoing defects the prior art has, a kind of automated system communications loop module and method are provided, substantially reduce EMS system channel fault handling time, for fast quick-recovery EMS system real time data provides strong technical support means.
A kind of automated system communications loop module that the present invention mentions, its technical scheme is: comprise jumper switch, MAX202 chip, optical-electrical converter, jumper switch is arranged on signal input, output, signal of communication connects MAX202 chip by jumper switch, MAX202 chip is used for the reception process of signal as digital signal processing chip, and signal transacting is obtained the signal of telecommunication by optical-electrical converter by digital signal; Described jumper switch is electric brake loop, electric brake loop comprises 1-4 tetra-binding posts, the incoming end in electric brake loop is the 1st terminal and the 3rd terminal, the port of export in electric brake loop is the 2nd terminal and the 4th terminal, 2nd terminal connects Zener diode D1,4th terminal connects Zener diode D3, the two ends parallel diode D2 of the 2nd terminal and the 4th terminal and Zener diode D4, Zener diode D2 and Zener diode D4 connecting ring wire coil JP1 and JP2, ring wire coil JP1 and JP2 are by the 1st terminal and the 2nd terminal short circuit.
Above-mentioned Zener diode D1 series connection fuse F1, Zener diode D2 series connection fuse F2, Zener diode D3 series connection fuse F3, Zener diode D4 series connection fuse F4.
The method of work of a kind of automated system communications loop module that the present invention mentions, comprises following step:
A) jumper switch is electric brake loop, electric brake loop comprises 1-4 tetra-binding posts, under normal circumstances, use ring wire coil by the 1st terminal and the 2nd terminal short circuit, 3rd terminal and the 4th terminal short circuit, data issued from front server like this and can normally processing through business board from the information that plant stand is sent;
B) when there is channel failure: 1) first test master device and whether there is fault, by ring wire coil, the 2nd terminal and the 4th terminal can be carried out short circuit, main website issues test data through security unit, before converting 232 signals to, articulating returns the receiver module of main website, by checking that information code determines whether master device fault; 2) secondly test communication and station end equipment whether fault, by ring wire coil, the 1st terminal and the 3rd terminal are carried out short circuit, the test data that end equipment send of standing converts articulating after TTL signal to through MAX202 chip and returns station end equipment, thus determines whether communication or station end equipment fault;
C) up ring survey and the survey of descending ring can be used simultaneously, the efficiency of malfunction elimination can be improved like this, owing to being carry out ring survey when signal is TTL pattern, greatly reduce the interference of debug action for other business boards, judge clearly be main website or communication failure after, other conventional meanses just can be used to carry out further malfunction elimination.
The invention has the beneficial effects as follows: substantially reduce EMS system channel fault handling time, for fast quick-recovery EMS system real time data provides strong technical support means, for dispatcher's fast processing power grid accident provides strong basic data; Improve operating efficiency, also greatly reduce the time that dispatcher processes power grid accident, thus decrease the economic loss caused because of large-area power-cuts; Simplify channel loop testing process simultaneously, improve the science of automated system O&M means, enhance and the cooperating of fraternal business department, increasing efficiency by downsizing payrolls to realization serves impetus; And operating from ring of passage can be completed by the ring wire coil newly developed on channel service plate, not need frequent card line to connecting terminal block, improve the useful life of front-end system wire jumper module.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is syndeton schematic diagrames of jumper switch.
Embodiment
1-2 by reference to the accompanying drawings, the invention will be further described:
A kind of automated system communications loop module that the present invention mentions, comprise jumper switch 1, MAX202 chip, optical-electrical converter, jumper switch 1 is arranged on signal input, output, signal of communication connects MAX202 chip by jumper switch 1, MAX202 chip is used for the reception process of signal as digital signal processing chip, and signal transacting is obtained the signal of telecommunication by optical-electrical converter by digital signal; Described jumper switch is electric brake loop, electric brake loop comprises 1-4 tetra-binding posts, the incoming end in electric brake loop is the 1st terminal and the 3rd terminal, the port of export in electric brake loop is the 2nd terminal and the 4th terminal, 2nd terminal connects Zener diode D1,4th terminal connects Zener diode D3, the two ends parallel diode D2 of the 2nd terminal and the 4th terminal and Zener diode D4, Zener diode D2 and Zener diode D4 connecting ring wire coil JP1 and JP2, ring wire coil JP1 and JP2 are by the 1st terminal and the 2nd terminal short circuit.
Wherein, Zener diode D1 series connection fuse F1, Zener diode D2 series connection fuse F2, Zener diode D3 series connection fuse F3, Zener diode D4 series connection fuse F4.
The method of work of a kind of automated system communications loop module that the present invention mentions, comprises following step:
A) jumper switch 1 is electric brake loop, electric brake loop comprises 1-4 tetra-binding posts, under normal circumstances, use ring wire coil by the 1st terminal and the 2nd terminal short circuit, 3rd terminal and the 4th terminal short circuit, data issued from front server like this and can normally processing through business board from the information that plant stand is sent;
B) when there is channel failure: 1) first test master device and whether there is fault, by ring wire coil, the 2nd terminal and the 4th terminal can be carried out short circuit, main website issues test data through security unit, before converting 232 signals to, articulating returns the receiver module of main website, by checking that information code determines whether master device fault; 2) secondly test communication and station end equipment whether fault, by ring wire coil, the 1st terminal and the 3rd terminal are carried out short circuit, the test data that end equipment send of standing converts articulating after TTL signal to through MAX202 chip and returns station end equipment, thus determines whether communication or station end equipment fault;
C) up ring survey and the survey of descending ring can be used simultaneously, the efficiency of malfunction elimination can be improved like this, owing to being carry out ring survey when signal is TTL pattern, greatly reduce the interference of debug action for other business boards, judge clearly be main website or communication failure after, other conventional meanses just can be used to carry out further malfunction elimination.
The above, be only part preferred embodiment of the present invention, any those of ordinary skill in the art all may utilize the technical scheme correct of above-mentioned elaboration or are revised as equivalent technical scheme.Therefore, any simple modification of carrying out according to technical scheme of the present invention or substitute equivalents, belong to the scope of protection of present invention to the greatest extent.

Claims (3)

1. an automated system communications loop module, it is characterized in that: comprise jumper switch (1), MAX202 chip, optical-electrical converter, jumper switch (1) is arranged on signal input, output, signal of communication connects MAX202 chip by jumper switch (1), MAX202 chip is used for the reception process of signal as digital signal processing chip, and signal transacting is obtained the signal of telecommunication by optical-electrical converter by digital signal; Described jumper switch is electric brake loop, electric brake loop comprises 1-4 tetra-binding posts, the incoming end in electric brake loop is the 1st terminal and the 3rd terminal, the port of export in electric brake loop is the 2nd terminal and the 4th terminal, 2nd terminal connects Zener diode D1,4th terminal connects Zener diode D3, the two ends parallel diode D2 of the 2nd terminal and the 4th terminal and Zener diode D4, Zener diode D2 and Zener diode D4 connecting ring wire coil JP1 and JP2, ring wire coil JP1 and JP2 are by the 1st terminal and the 2nd terminal short circuit.
2. a kind of automated system communications loop module according to claim 1, it is characterized in that: described Zener diode D1 series connection fuse F1, Zener diode D2 series connection fuse F2, Zener diode D3 series connection fuse F3, Zener diode D4 series connection fuse F4.
3. the method for work of a kind of automated system communications loop module according to any one of claim 1-2, is characterized in that: comprise following step:
A) jumper switch (1) is electric brake loop, electric brake loop comprises 1-4 tetra-binding posts, under normal circumstances, use ring wire coil by the 1st terminal and the 2nd terminal short circuit, 3rd terminal and the 4th terminal short circuit, data issued from front server like this and can normally processing through business board from the information that plant stand is sent;
B) when there is channel failure: 1) first test master device and whether there is fault, by ring wire coil, the 2nd terminal and the 4th terminal can be carried out short circuit, main website issues test data through security unit, before converting 232 signals to, articulating returns the receiver module of main website, by checking that information code determines whether master device fault; 2) secondly test communication and station end equipment whether fault, by ring wire coil, the 1st terminal and the 3rd terminal are carried out short circuit, the test data that end equipment send of standing converts articulating after TTL signal to through MAX202 chip and returns station end equipment, thus determines whether communication or station end equipment fault;
C) up ring survey and the survey of descending ring can be used simultaneously, the efficiency of malfunction elimination can be improved like this, owing to being carry out ring survey when signal is TTL pattern, greatly reduce the interference of debug action for other business boards, judge clearly be main website or communication failure after, other conventional meanses just can be used to carry out further malfunction elimination.
CN201510710419.0A 2015-10-28 2015-10-28 Automatic system communication loop module and method Pending CN105406994A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510710419.0A CN105406994A (en) 2015-10-28 2015-10-28 Automatic system communication loop module and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510710419.0A CN105406994A (en) 2015-10-28 2015-10-28 Automatic system communication loop module and method

Publications (1)

Publication Number Publication Date
CN105406994A true CN105406994A (en) 2016-03-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510710419.0A Pending CN105406994A (en) 2015-10-28 2015-10-28 Automatic system communication loop module and method

Country Status (1)

Country Link
CN (1) CN105406994A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108737160A (en) * 2017-04-25 2018-11-02 拉碧斯半导体株式会社 The self-diagnosing method of telecommunication circuit, communication system and telecommunication circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108737160A (en) * 2017-04-25 2018-11-02 拉碧斯半导体株式会社 The self-diagnosing method of telecommunication circuit, communication system and telecommunication circuit
CN108737160B (en) * 2017-04-25 2022-08-05 拉碧斯半导体株式会社 Communication circuit, communication system, and self-diagnosis method for communication circuit

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WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20160316

WD01 Invention patent application deemed withdrawn after publication