CN205920151U - Novel metro stray current SCADA system - Google Patents
Novel metro stray current SCADA system Download PDFInfo
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- CN205920151U CN205920151U CN201620739178.2U CN201620739178U CN205920151U CN 205920151 U CN205920151 U CN 205920151U CN 201620739178 U CN201620739178 U CN 201620739178U CN 205920151 U CN205920151 U CN 205920151U
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Abstract
The utility model discloses a novel metro stray current SCADA system, its structure is that the data acquisition server includes data processing module, video surveillance module, analog filter and terminal, the stray current sensor includes reference electrode terminal and structure reinforcing bar test terminal, data processing module links to each other with the analog filter, the analog filter links to each other with the terminal, the terminal respectively with the stray current sensor in reference electrode terminal and structure reinforcing bar test terminal link to each other, data processing module links to each other with stray current current drainage device, data processing module is quick -witted with the backstage respectively, touch -sensitive screen and video surveillance module link to each other, video surveillance module links to each other with camera and touch -sensitive screen respectively. The utility model discloses an advantage: voltage stabilization, resistant polarisability is good, the internal resistance is little, can eliminate the too big harm that causes of drainage current, but automatically regulated and restriction drainage current are high -efficient and intelligent, it is directly perceived, simply easy -to -use, promote fault handling efficiency, realize unmanned on duty, it is high -efficient, reliable.
Description
Technical field
The utility model relates to a kind of stray current of novel subway scada system.
Background technology
In urban rail transit, electric substation is changed into unidirectional current alternating current, gives Traction networks by feed line, electricity
Power locomotive obtains current draw train operation from Traction networks.Traction current returns traction substation via rail, return wire.Steel
The presence of rail resistance to earth necessarily leads to the leakage current to the earth, i.e. stray electrical current.The protection of stray electrical current has caused state
Inside and outside scientific research and the attention of production unit.It is to underground tunnel structure reinforcing bar, Viaduct Structure reinforcing bar, metal pipe line along the line, screen
Cover the metallic facilities such as net and can produce serious electrolytic corrosion effect, jeopardize the safety of Architectural Equipment and can lead to catastrophic after
Really.Therefore stray electrical current is monitored and take effective safeguard procedures to be urgently to be resolved hurrily in subway, light rail construction and operation
Major issue.
When stray electrical current produces corrosion to buried metal structure, the current potential of buried metal structure will change, i.e. metal
Structure polarizes, and degree of polarization has relation with the size of stray electrical current.Because the polarization of stray electrical current is so that be grounded
Zero potential produces skew, so can not be to be grounded the datum mark as voltage measurement.
Scada is computer-based Automatic monitoring systems, is mainly used in the neck such as electric power, metallurgy, oil, chemical industry
The data acquisition and monitoring in domain.Traditional scada is it is impossible to directly use third party's photographic head, when system occurs alarm, staff
For the verity of verification alarm, need to start video monitoring client terminal, login system, search the video camera near alarm point, control
Video camera processed checks live view, whole process complex operation, and familiar operator need 1-2 minute complete the soonest
Become it is impossible to see field condition in time, troubleshooting inefficiency.
Content of the invention
The utility model proposes a kind of stray current of novel subway scada system, its purpose aims at elimination row
The stream excessive caused harm of electric current.
Technical solution of the present utility model: a kind of stray current of novel subway scada system, its structure includes data
Acquisition server, stray current sensor, stray current drainage device and photographic head, wherein data acquisition server include data
Processing module, video monitoring module, analog filter and terminal, stray current sensor includes reference electrode terminal and structural steel
Muscle calibrating terminal, being connected with analog filter of data processing module, analog filter is connected with terminal, terminal respectively with spuious
Reference electrode terminal in current sensor is connected with structure reinforcing bars calibrating terminal, and data processing module is filled with stray current drainage
Put connected, data processing module is connected with background computer, touch screen and video monitoring module respectively, video monitoring module respectively with take the photograph
As head is connected with touch screen.
Preferably, described reference electrode is mo/moo3 reference electrode.
Preferably, the quantity of described stray current sensor is one or more, a stray current sensor
It is correspondingly arranged at a polarizing voltage collection point, a stray current sensor includes a reference electrode terminal and a structure
Reinforcing bar calibrating terminal, the reference electrode terminal in a stray current sensor and structure reinforcing bars calibrating terminal connect an end
Son.
Preferably, described terminal pass through bus respectively with stray current sensor in reference electrode terminal and structural steel
Muscle calibrating terminal is connected.
Preferably, described data processing module is connected with stray current drainage device by bus.
Advantage of the present utility model: the benchmark being measured as stray electrical current polarizing voltage using mo/moo3 reference electrode, electricity
Pressure is stable, resistance to polarizability is good, internal resistance is little;Automatic drainage device can eliminate the excessive caused harm of drainage current, can automatically adjust
Section and restriction drainage current, very efficient and intelligent;Scada system and the integrated linkage of video monitoring photographic head, directly perceived, simple
Easy-to-use, on-the-spot circumstance can be alerted by very first time automatic spring, lift troubleshooting efficiency, can also be provided according to alarm real simultaneously
In condition, the ability such as wall, alarm video recording, SMS notification, realizes unmanned, efficient, reliable.
Brief description
Fig. 1 is a kind of structured flowchart of stray current of novel subway scada system.
Specific embodiment
With reference to embodiment and specific embodiment, this utility model is described in further detail.
As shown in figure 1, a kind of stray current of novel subway scada system, its structure includes data acquisition server, spuious
Current sensor, stray current drainage device and photographic head, wherein data acquisition server include data processing module, video prison
Control module, analog filter and terminal, stray current sensor includes reference electrode terminal and structure reinforcing bars calibrating terminal, data
Being connected with analog filter of processing module, analog filter is connected with terminal, terminal respectively with stray current sensor in
Reference electrode terminal is connected with structure reinforcing bars calibrating terminal, and data processing module is connected with stray current drainage device, at data
Reason module be connected with background computer, touch screen and video monitoring module respectively, video monitoring module respectively with photographic head and touch screen
It is connected.
Described reference electrode is mo/moo3 reference electrode.
The quantity of described stray current sensor is one or more, and a stray current sensor is correspondingly arranged
A polarizing voltage collection point, a stray current sensor includes a reference electrode terminal and a structure reinforcing bars test
Terminal, the reference electrode terminal in a stray current sensor and structure reinforcing bars calibrating terminal connect a terminal.
Described terminal pass through bus respectively with stray current sensor in reference electrode terminal and structure reinforcing bars test
Terminal is connected.
Described data processing module is connected with stray current drainage device by bus.
The monitoring measurement structure polarization potential of stray electrical current, i.e. the deviant of structure reinforcing bars polarizing voltage.According to this value
Judge the corrosion condition to structure reinforcing bars for the stray electrical current, if polarizing voltage forward migration value once exceedes setting, start
Stray current drainage device carries out drainage.
In each polarizing voltage collection point, reference electrode terminal and structure reinforcing bars calibrating terminal are connected to an end of this system
On son, the terminal of the system that each polarizing voltage collection point is connected to is different;Analog filtering in data acquisition server
Device is used for and the communication connection of Servers-all inner terminal;Data processing module is used for and analog filter communication connection, and passes through
Analog-digital converter carries out sampling, the monitoring of stray current data sampled is processed, and data processing module is directly on terminal
The monitoring of stray current data of sampling is processed.
Data acquisition server is the main body of monitoring of stray current guard system zoning monitoring, is and sensor and stray electrical
The part that stream drain means are directly attached and communicate, realizes to monitoring subregion inner sensor and stray current drainage device etc.
Equipment completely describes, the normal parameter run of configuration system, the information that physical record storage system is run and sensor and spuious
The data of electric current drain means monitoring.Data acquisition server can achieve the collection of monitoring of stray current data, storage, display,
Report to the police, connect stray current sensor and stray current drainage device using fieldbus, be equivalent in zoning monitoring system
One independent monitoring protection subsystem, with the extension of subway line, can constantly expand, and increased autgmentability and the opening of system
Property, is shown by touch screen, simultaneously delivering to background computer in these data.
The system, on the basis of traditional scada, is integrated with video monitoring module, and third party photographic head can be used directly,
Seamless is embedded in this scada system, realizes real-time Data Transmission and two way audio between scene and control centre and communicates.This
In system, scada system and the integrated linkage of video monitoring photographic head.Automated log on video monitoring during scada system initialization,
Automatically association video camera, adjust automatically camera angles, automatic spring on-the-spot circumstance picture are searched.There is displacement or accuse in equipment
When alert, the also generating program alarm simultaneously of scada system, phonic warning, video records the information such as picture displacement automatically, and preserves confession
Check and correction, the senior management function such as recollects.Video monitoring fact interface is integrated with scada interface, directly perceived, easy to use, can first
Time automatic spring alerts on-the-spot circumstance, lifts troubleshooting efficiency.Live upper wall, alarm can also be provided according to alarm simultaneously
The abilities such as video recording, SMS notification, realize unmanned.This scada system realizes safety-protection system, video monitoring system and informationization
The interaction of data, realizes the overall salary strategy interacting, complementing one another.
Above-described is only preferred implementation of the present utility model it is noted that ordinary skill for this area
For personnel, on the premise of creating design without departing from this utility model, some deformation can also be made and improve, these all belong to
In protection domain of the present utility model.
Claims (5)
1. a kind of stray current of novel subway scada system, its feature include data acquisition server, stray current sensor,
Stray current drainage device and photographic head, wherein data acquisition server include data processing module, video monitoring module, simulation
Wave filter and terminal, stray current sensor includes reference electrode terminal and structure reinforcing bars calibrating terminal, data processing module
Be connected with analog filter, analog filter is connected with terminal, terminal respectively with stray current sensor in reference electrode end
Son is connected with structure reinforcing bars calibrating terminal, and data processing module is connected with stray current drainage device, and data processing module is respectively
It is connected with background computer, touch screen and video monitoring module, video monitoring module is connected with photographic head and touch screen respectively.
2. a kind of stray current of novel subway scada system as claimed in claim 1, is characterized in that described reference electrode is
Mo/moo3 reference electrode.
3. a kind of stray current of novel subway scada system as claimed in claim 1, is characterized in that described stray electrical spreads
The quantity of sensor is one or more, and a stray current sensor is correspondingly arranged at a polarizing voltage collection point, one
Individual stray current sensor includes a reference electrode terminal and a structure reinforcing bars calibrating terminal, a stray current sensor
Interior reference electrode terminal and structure reinforcing bars calibrating terminal connect a terminal.
4. a kind of stray current of novel subway scada system as described in claim 1 or 3, is characterized in that described terminal leads to
Cross bus to be connected with the reference electrode terminal in stray current sensor and structure reinforcing bars calibrating terminal respectively.
5. a kind of stray current of novel subway scada system as claimed in claim 1, is characterized in that described data processing mould
Block is connected with stray current drainage device by bus.
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CN201620739178.2U CN205920151U (en) | 2016-07-14 | 2016-07-14 | Novel metro stray current SCADA system |
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CN201620739178.2U CN205920151U (en) | 2016-07-14 | 2016-07-14 | Novel metro stray current SCADA system |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109387680A (en) * | 2018-10-15 | 2019-02-26 | 国网四川省电力公司电力科学研究院 | Urban rail tractive power supply system and urban electric power main transformer D.C. magnetic biasing synchronous monitoring system |
CN110836922A (en) * | 2019-11-18 | 2020-02-25 | 上海地铁维护保障有限公司供电分公司 | Device for detecting working state of reference electrode and working method thereof |
CN110927498A (en) * | 2019-12-09 | 2020-03-27 | 南京地铁建设有限责任公司 | Stray current monitoring and protecting system and method |
CN111176207A (en) * | 2020-01-06 | 2020-05-19 | 上海电气自动化设计研究所有限公司 | One-button operation starting system for subway station |
-
2016
- 2016-07-14 CN CN201620739178.2U patent/CN205920151U/en active Active
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109387680A (en) * | 2018-10-15 | 2019-02-26 | 国网四川省电力公司电力科学研究院 | Urban rail tractive power supply system and urban electric power main transformer D.C. magnetic biasing synchronous monitoring system |
CN109387680B (en) * | 2018-10-15 | 2020-12-08 | 国网四川省电力公司电力科学研究院 | Urban rail traction power supply system and urban electric power main transformer direct-current magnetic bias synchronous monitoring system |
CN110836922A (en) * | 2019-11-18 | 2020-02-25 | 上海地铁维护保障有限公司供电分公司 | Device for detecting working state of reference electrode and working method thereof |
CN110836922B (en) * | 2019-11-18 | 2022-03-15 | 上海地铁维护保障有限公司供电分公司 | Device for detecting working state of reference electrode and working method thereof |
CN110927498A (en) * | 2019-12-09 | 2020-03-27 | 南京地铁建设有限责任公司 | Stray current monitoring and protecting system and method |
CN111176207A (en) * | 2020-01-06 | 2020-05-19 | 上海电气自动化设计研究所有限公司 | One-button operation starting system for subway station |
CN111176207B (en) * | 2020-01-06 | 2021-11-23 | 上海电气自动化设计研究所有限公司 | One-button operation starting system for subway station |
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