CN106160233A - A kind of modularized dc tractive power supply system DC side monitoring and protection system - Google Patents
A kind of modularized dc tractive power supply system DC side monitoring and protection system Download PDFInfo
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- CN106160233A CN106160233A CN201610729583.0A CN201610729583A CN106160233A CN 106160233 A CN106160233 A CN 106160233A CN 201610729583 A CN201610729583 A CN 201610729583A CN 106160233 A CN106160233 A CN 106160233A
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- Prior art keywords
- module
- protection
- digital quantity
- cpu
- quantity input
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a kind of modularized dc tractive power supply system DC side monitoring and protection system, including main control module, protection module, digital quantity input/output module, human-computer interaction module and DC power supplier.Main control module includes main control module CPU and the memorizer being attached thereto respectively and communication interface, protection module includes protecting module CPU, voltage/current transformer, a/d converter, protection module photosensitive sensor and protection module display, protection module CPU connects protection module photosensitive sensor and protection module display, voltage/current transformer is connected with protection module CPU through a/d converter, digital quantity input/output module includes digital quantity input/output module CPU and the digital quantity input/output module photosensitive sensor being attached thereto respectively and digital quantity input/output module display.Each module of the present invention configures respective microprocessor, improves data sampling and analyzes speed and precision, improves and control effect.
Description
Technical field
The invention belongs to direct-current traction power supply technical field, straight particularly to a kind of modularized dc tractive power supply system
Stream side monitoring and protection system.
Background technology
Along with the fast development of domestic city track traffic, direct-current traction power supply technology is also constantly being innovated and is being improved,
The high-tech measuring and controlling protective device of a new generation not only provides perfect protection to single loop, also by the real-time shape in loop
State, fault message and fault waveform are uploaded to upper level comprehensive monitoring system, provide peace for urban rail DC traction power-supply system
Complete reliable, the solution of perfect in shape and function.Measuring and controlling protective device can be used as the public transport such as such as electric car, subway, train, light rail
Traction rectifier device in system dc transformer station and the measuring and controlling protective device of feeder cabinet.But, general measuring and controlling protective device is still
So existing problems, measuring and controlling protective device is typically made up of with protection two large divisions control, uses single CPU MICROCOMPUTER PROCESSING, CPU mono-
As there is no single module, and be integrated with among control module, control module and protection module can not be completely independent, data
Sampling analysis speed is fast not, and data conversion accuracy is the most not high enough.
Summary of the invention
In order to solve the technical problem that above-mentioned background technology proposes, it is desirable to provide a kind of modularized dc traction supplies
Electricity system dc side monitoring and protection system, modules configures respective microprocessor, improves data sampling and analyzes speed and essence
Degree, improves and controls effect.
In order to realize above-mentioned technical purpose, the technical scheme is that
A kind of modularized dc tractive power supply system DC side monitoring and protection system, including main control module, protection module, digital quantity
Input/output module, human-computer interaction module and DC power supplier;Described DC power supplier provides work for other each modules
Making power supply, described main control module includes main control module CPU and the memorizer being attached thereto respectively and communication interface, described protection
Module includes protecting module CPU, voltage/current transformer, a/d converter, protection module photosensitive sensor and protection module to show
Device, protection module CPU connects protection module photosensitive sensor and protection module display, and voltage/current transformer is through AD conversion
Device with protection module CPU be connected, described digital quantity input/output module include digital quantity input/output module CPU and respectively with
The digital quantity input/output module photosensitive sensor of connection and digital quantity input/output module display, described protection module
CPU, digital quantity input/output module CPU, human-computer interaction module connect main control module CPU respectively;Described digital quantity input and output
Module gathers the digital state signal of the DC side circuit of DC traction power-supply system, generates according to digital state signal and controls letter
Number, and send DC side protection device to, the voltage of the DC side circuit of described protection module collection DC traction power-supply system/
Current signal, generates control signal according to voltage/current signals, and sends DC side protection device to;Digital quantity input and output
Signal and the control signal of generation that self is collected by module and protection module all send main control module to, and main control module is by this
A little signal datas show on human-computer interaction module, and are uploaded to monitoring station by communication interface.
Preferred version based on technique scheme, described main control module CPU uses VORTEX86MX processor.
Preferred version based on technique scheme, described protection module CPU and digital quantity input/output module CPU are all adopted
With STM32F4 ARM Cortex M3 processor.
Preferred version based on technique scheme, described human-computer interaction module uses touch screen.
Preferred version based on technique scheme, described communication interface includes USB interface and Ethernet interface, described
USB interface is for the data transmission between main control module and external data memory, and Ethernet interface is used for main control module and prison
Radio communication between control station.
The beneficial effect that employing technique scheme is brought:
(1) modules of the present invention configures respective microprocessor, improves data sampling and analyzes speed and precision, improves and control effect
Really;
(2) the protection module in the present invention and input/output module are equipped with display and matched photosensitive sensor, can
To change the backlight illumination of display according to environmental light intensity, thus field personnel is facilitated to check, and energy-conservation.
Accompanying drawing explanation
Fig. 1 is the block diagram of system of the present invention.
Detailed description of the invention
Below with reference to accompanying drawing, technical scheme is described in detail.
(eliminating DC power supplier in figure) as shown in Figure 1, a kind of modularized dc tractive power supply system DC side is surveyed
Control protection system, including main control module, protection module, digital quantity input/output module, human-computer interaction module and DC source
Module;Described DC power supplier be other each modules provide working power, described main control module include main control module CPU and
The memorizer being attached thereto respectively and communication interface, described protection module includes protecting module CPU, voltage/current transformer, AD
Transducer, protection module photosensitive sensor and protection module display, protection module CPU connect protection module photosensitive sensor and
Protection module display, voltage/current transformer is connected with protection module CPU through a/d converter, described digital quantity input and output
Module includes digital quantity input/output module CPU and the digital quantity input/output module photosensitive sensor being attached thereto and numeral
Amount input/output module LED matrix display, described protection module CPU, digital quantity input/output module CPU, man-machine interaction mould
Block connects main control module CPU respectively.
In the present embodiment, main control module CPU uses VORTEX86MX processor.Protection module CPU and digital quantity input
Output module CPU all uses STM32F4 ARM Cortex M3 processor.Human-computer interaction module uses touch screen.Communication interface
Including USB interface and Ethernet interface, USB interface is transmitted for the data between main control module and external data memory, with
Too network interface is for the radio communication between main control module and monitoring station.
The operation principle of the present invention:
Voltage/current transformer in protection module carries out secondary connection by external terminal block and whole outer protection loop,
Gather the real time datas such as the electric current on circuit, voltage, and carry out logical operations by protection module CPU, and operation result is defeated
Go out to outer protection loop and be controlled and protect, simultaneously by all collection information and operation result real-time Transmission to master control mould
Block.Protection module display is for showing the data that protection module collects, and coordinates with protection module photosensitive sensor, photosensitive
Sensor acquisition environmental light intensity, and the backlight illumination of module display is protected in regulation accordingly, facilitates field personnel to check, and
And it is energy-conservation.
Digital quantity input/output module carries out secondary connection, gathering line by external terminal block and whole outer protection loop
The digital quantity signal of each state on road, and carry out logical operations by digital quantity input/output module CPU, and by operation result
Output is controlled to outer protection loop and protects, simultaneously by all collection information and operation result real-time Transmission to master control mould
Block.As protection module, digital quantity input/output module is again provided with display and photosensitive sensor, for display digit amount
The data that input/output module collects.
On the one hand, after the data storage that protection module and digital quantity input/output module are transmitted by main control module, show
On human-computer interaction module, by communication network, data are uploaded to higher level's monitoring station simultaneously.On the other hand, field personnel can
With by human-computer interaction module to main control module input working parameter, or the staff of monitoring station by communication network to master
Control module input working parameter, running parameter is assigned to protect module or digital quantity input/output module by main control module again.
Above example is only the technological thought that the present invention is described, it is impossible to limit protection scope of the present invention with this, every
The technological thought proposed according to the present invention, any change done on the basis of technical scheme, each fall within scope
Within.
Claims (5)
1. a modularized dc tractive power supply system DC side monitoring and protection system, it is characterised in that: include main control module, guarantor
Protect module, digital quantity input/output module, human-computer interaction module and DC power supplier;
Described DC power supplier be other each modules provide working power, described main control module include main control module CPU and
The memorizer being attached thereto respectively and communication interface, described protection module includes protecting module CPU, voltage/current transformer, AD
Transducer, protection module photosensitive sensor and protection module display, protection module CPU connect protection module photosensitive sensor and
Protection module display, voltage/current transformer is connected with protection module CPU through a/d converter, described digital quantity input and output
Module include digital quantity input/output module CPU and the digital quantity input/output module photosensitive sensor that is attached thereto respectively and
Digital quantity input/output module display, described protection module CPU, digital quantity input/output module CPU, human-computer interaction module divide
Lian Jie main control module CPU;Described digital quantity input/output module gathers the number of the DC side circuit of DC traction power-supply system
Word state signal, generates control signal according to digital state signal, and sends DC side protection device to, and described protection module is adopted
The voltage/current signals of the DC side circuit of collection DC traction power-supply system, generates control signal according to voltage/current signals,
And send DC side protection device to;Digital quantity input/output module and protection module signal that self is collected and generation
Control signal all sends main control module to, and these signal datas are shown on human-computer interaction module by main control module, and by logical
Letter interface is uploaded to monitoring station.
The most according to claim 1, a kind of modularized dc tractive power supply system DC side monitoring and protection system, its feature exists
In: described main control module CPU uses VORTEX86MX processor.
The most according to claim 1, a kind of modularized dc tractive power supply system DC side monitoring and protection system, its feature exists
In: described protection module CPU and digital quantity input/output module CPU all use STM32F4 ARM Cortex M3 processor.
The most according to claim 1, a kind of modularized dc tractive power supply system DC side monitoring and protection system, its feature exists
In: described human-computer interaction module uses touch screen.
The most according to claim 1, a kind of modularized dc tractive power supply system DC side monitoring and protection system, its feature exists
In: described communication interface includes USB interface and Ethernet interface, and described USB interface is used for main control module and external data storage
Data transmission between device, Ethernet interface is for the radio communication between main control module and monitoring station.
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CN201610729583.0A CN106160233A (en) | 2016-08-25 | 2016-08-25 | A kind of modularized dc tractive power supply system DC side monitoring and protection system |
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CN201610729583.0A CN106160233A (en) | 2016-08-25 | 2016-08-25 | A kind of modularized dc tractive power supply system DC side monitoring and protection system |
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Cited By (1)
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CN107834524A (en) * | 2017-11-17 | 2018-03-23 | 南京国电南自轨道交通工程有限公司 | A kind of subway direct current protecting device based on pulse signal monitoring |
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Publication number | Priority date | Publication date | Assignee | Title |
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Application publication date: 20161123 |
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