CN105406994A - Automatic system communication loop module and method - Google Patents
Automatic system communication loop module and method Download PDFInfo
- 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
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- 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
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- 238000004891 communication Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 10
- 238000012360 testing method Methods 0.000 claims description 16
- 230000008030 elimination Effects 0.000 claims description 6
- 238000003379 elimination reaction Methods 0.000 claims description 6
- 230000007257 malfunction Effects 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000009191 jumping Effects 0.000 abstract 4
- 238000011084 recovery Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management 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
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.
Priority Applications (1)
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CN201510710419.0A CN105406994A (en) | 2015-10-28 | 2015-10-28 | Automatic system communication loop module and method |
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CN201510710419.0A CN105406994A (en) | 2015-10-28 | 2015-10-28 | Automatic system communication loop module and method |
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CN105406994A true CN105406994A (en) | 2016-03-16 |
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CN201510710419.0A Pending CN105406994A (en) | 2015-10-28 | 2015-10-28 | Automatic system communication loop module and method |
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Cited By (1)
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 |
-
2015
- 2015-10-28 CN CN201510710419.0A patent/CN105406994A/en active Pending
Cited By (2)
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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Application publication date: 20160316 |
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