CN207150258U - Integrated information acquisition system is synthesized at distribution terminal - Google Patents
Integrated information acquisition system is synthesized at distribution terminal Download PDFInfo
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- CN207150258U CN207150258U CN201720920432.3U CN201720920432U CN207150258U CN 207150258 U CN207150258 U CN 207150258U CN 201720920432 U CN201720920432 U CN 201720920432U CN 207150258 U CN207150258 U CN 207150258U
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Classifications
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to a power distribution terminal integrated information acquisition system, which comprises a main terminal connected with a power distribution dispatching center through Ethernet and sub-terminals connected with the main terminal through a wireless network; each sub-terminal transmits the power grid running state signals and the running environment signals acquired in real time to the main terminal through a wireless network; the main terminal transmits the power grid running state signals and running environment signals acquired in real time and the received power grid running state signals and running environment signals of all the sub-terminals to a power distribution dispatching center through the Ethernet; the functions which are required to be completed by various terminals in the prior art are integrated in one terminal, so that various information can be uploaded to a dispatching center by sharing the same channel, the communication channel resource is saved, and the workload of an operation and maintenance unit is reduced.
Description
Technical field
Electric power system control and technical field of automation are the utility model is related to, is integrated more particularly to a kind of distribution terminal
Integrated information acquisition system.
Background technology
Strengthen in face of power distribution network power demands, communication relationship, and the problems such as regenerative resource access, develop intelligent power distribution
Net turns into the inevitable choice and trend of power system development, and the development of intelligent distribution network is supervised to the state of power distribution network switchgear
Survey proposes new requirement.
The running environment of power distribution network switchgear is severe, and real-time watch device state can find failure in time, remove a hidden danger.
Real-time state monitoring requirement carries out the status monitoring of various dimensions to equipment and status monitoring signal is sent into scheduling station.With
One or two integration technology fast developments of field of power distribution, people have been devised by can the signal such as collection voltages, electric current and the position of the switch
Operation of power networks status monitoring terminal and collecting temperature, the running environment monitoring terminal of the signal such as humidity and video, these terminals
The signal of collection is uploaded to by distribution control centre by Ethernet.
But due to operation of power networks status monitoring terminal and running environment monitoring are respectively mounted in power distribution room in each switch cubicle eventually
End；Monitoring and in signal upload procedure, operation of power networks status signal and running environment signal need to by special terminal and solely
Vertical communication port uploads；The signal transmission of power distribution room need to take mass communication channel resource；This not only wastes communication port money
Source, while multiple terminal increases workload to operation maintenance unit.
Utility model content
Based on this, it is necessary to for communication port resource occupation problem, there is provided a kind of distribution terminal comprehensive integration information is adopted
Collecting system.
To achieve these goals, the utility model embodiment provides a kind of distribution terminal comprehensive integration information gathering system
System, including each sub- terminal that the master terminal of distribution control centre connects with by wireless network master terminal is connected by Ethernet；
Each sub- terminal gives the operation of power networks status signal collected in real time and running environment signal to main end by wireless network transmissions
End；Master terminal is by the electricity of the operation of power networks status signal collected in real time, running environment signal and each sub- terminal received
Running State signal, running environment signal are transferred to distribution control centre by Ethernet.
The utility model has the following advantages that and beneficial effect：
The utility model distribution terminal comprehensive integration information acquisition system, master terminal collect each sub- terminal by wireless network
The information gathered, and distribution control centre is uploaded to by Ethernet, the function that tradition needs multiple terminal to complete is integrated
In a kind of terminal, not only realize that much information shares same channel and is uploaded to control centre, save communication port resource, simultaneously
Mitigate the workload of O＆M unit, the multimode monitoring problem for solving power distribution network switchgear, reduce secondary device quantity, promote
Enter power equipment intellectuality.
In one of the embodiments, master terminal and each sub- terminal are software and hardware structure identical Distributed power end
End.
Distributed power terminal includes information acquisition unit, communication module and power supply module；Information acquisition unit leads to respectively
Cross UART (Universal Asynchronous Receiver/Transmitter, universal asynchronous receiving-transmitting transmitter) interfaces with
And USB (Universal Serial Bus, USB) interface connection communication module, connected and powered by stable-pressure device
Module；Communication module connects distribution control centre by Ethernet, and power supply module is connected by dropping equipment.
Each Distributed power terminal can be used as master terminal to carry out signal collection and transmission to each sub- terminal；As based on eventually
When the Distributed power terminal at end and the communication failure of distribution control centre, other any one distribution formula distribution terminals take
Turn into master terminal, connection distribution control centre, collection power distribution room, the reality of switch cubicle for the Distributed power terminal of the communication failure
When information, transmit the reliability for distribution control centre, improving system.
In one of the embodiments, information acquisition unit includes main control module and video acquisition module；
Main control module passes through UART interface connection communication module；Video acquisition module passes through USB interface connection communication module.
In one of the embodiments, video acquisition module includes camera；
Camera is connected by USB interface with communication module.
In one of the embodiments, main control module includes DSP (Digital Signal Processing, data signal
Processor) chip, voltage x current Acquisition Circuit, switching value output circuit, switching value input circuit, temperature and humidity sensing chip and
Clock chip；
Dsp chip connects voltage by SPI (Serial Peripheral Interface, Serial Peripheral Interface (SPI)) bus
Current collection circuit, pass through GPIO (General Purpose Input Output, universal input/output) interface connecting valve
Output circuit, switching value input circuit are measured, it is total by I2C (Inter-Integrated Circuit, twin wire universal serial bus)
Line connection temperature and humidity sensing chip, clock chip.
In one of the embodiments, dsp chip is TMS320F28035 type processors；
Voltage x current Acquisition Circuit includes AD7606 chips, voltage transformer and current transformer；AD7606 chips
One end connects voltage transformer, current transformer by sample circuit, and the other end connects dsp chip by spi bus；
Switching value output circuit includes TLP187 photoelectric couplings chip and relay；One end of TLP187 photoelectric coupling chips
Dsp chip, other end connection relay are connected by GPIO interface；
Switching value input circuit includes TLP185 photoelectric coupling chips；TLP185 photoelectric coupling chips are connected by GPIO interface
Connect dsp chip；
Temperature and humidity sensing chip is HDC1080 temperature and humidity sensing chips；
Clock chip is X1286 real-time timepiece chips；
Stable-pressure device includes LT1763-5 linear regulator chips, the TPS7A4533 linear regulator chips of connection power supply module.
In one of the embodiments, communication module includes SOC (System on Chip, on-chip system) chip.
In one of the embodiments, SOC is MT7688 cake cores；
Dropping equipment includes NCP3170 synchronous bucks chip and TPS65010 multi-channel synchronous decompression chip；NCP3170
One end connection power supply module of synchronous buck chip, other end connection TPS65010 multi-channel synchronous decompression chips.
In one of the embodiments, power supply module includes AC/DC modules；
AC/DC modules are connected with outside input circuit.
In one of the embodiments, AC/DC modules are UCC28740 flyback pulse width modulating chips.
The utility model has the following advantages that and beneficial effect：
The utility model distribution terminal comprehensive integration information acquisition system, the operation of power networks that each sub- terminal will collect in real time
The operation of power networks that status signal and running environment signal will be collected in real time by wireless network transmissions to master terminal, master terminal
Operation of power networks status signal, the running environment signal of status signal, running environment signal and each sub- terminal received pass through
Ethernet is transferred to distribution control centre；Based on the utility model, the message transmitting procedure in power distribution room Yu distribution control centre
In, much information shares a communication port, saves communication port resource；Each Distributed power terminal software and hardware structure is identical,
Any one Distributed power terminal can be connected as master terminal with distribution control centre, transmission power distribution room real-time status letter
Number, improve system reliability.
Brief description of the drawings
By being more particularly described for the preferred embodiment of the present utility model shown in accompanying drawing, it is of the present utility model on address
Other purposes, feature and advantage will become more fully apparent.The identical reference instruction identical part in whole accompanying drawings, and
Deliberately accompanying drawing is not drawn by actual size equal proportion scaling, it is preferred that emphasis is purport of the present utility model is shown.
Fig. 1 is the general structure schematic diagram of the utility model distribution terminal comprehensive integration information acquisition system embodiment 1；
Fig. 2 is the concrete structure schematic diagram of the utility model distribution terminal comprehensive integration information acquisition system；
Fig. 3 is the structural representation of Distributed power terminal in the utility model distribution terminal comprehensive integration information acquisition system
Figure；
Fig. 4 is that the structure of wireless humiture sensor in the utility model distribution terminal comprehensive integration information acquisition system is shown
It is intended to；
Fig. 5 is the structure of wireless humiture read module in the utility model distribution terminal comprehensive integration information acquisition system
Schematic diagram；
Fig. 6 is the main control module hardware architecture diagram of the utility model Distributed power terminal；
Fig. 7 is the hardware architecture diagram of the communication module of the utility model Distributed power terminal；
Fig. 8 is the hardware principle schematic diagram of the power supply module of the utility model Distributed power terminal.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.Preferred embodiment of the present utility model is given in accompanying drawing.But the utility model can come in fact in many different forms
It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to public affairs of the present utility model
Open content more thorough and comprehensive.
It should be noted that when an element is considered as " connection " another element, it can be directly to separately
One element and it is in combination be integrated, or may be simultaneously present centering elements.Term as used herein " software and hardware structure
It is identical ", " one end ", " other end " and similar statement for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all combination of one or more related Listed Items.
In order to solve the problems, such as communication port resource occupation, the utility model provides a kind of distribution terminal comprehensive integration information
Acquisition system embodiment 1；Fig. 1 is the general structure of the utility model distribution terminal comprehensive integration information acquisition system embodiment 1
Schematic diagram；Referring to Fig. 1, distribution terminal comprehensive integration information acquisition system embodiment 1, can include connecting distribution by Ethernet
The master terminal of control centre connects each sub- terminal of master terminal with by wireless network；
Each sub- terminal passes the operation of power networks status signal collected in real time and running environment signal by wireless network
It is defeated by master terminal；Master terminal is by the operation of power networks status signal collected in real time, running environment signal and each son received
Operation of power networks status signal, the running environment signal of terminal are transferred to distribution control centre by Ethernet.
Specifically, master terminal gathers operation of power networks status signal and running environment signal respectively with each sub- terminal；It is main
Terminal collects each sub- terminal by wireless network and gathers operation of power networks status signal and running environment signal, passes through ether
Net, by the operation of power networks state of each sub- terminal collection of the operation of power networks status signal of collection, running environment signal and collection
Signal, running environment signal are together uploaded to distribution control centre；
Based on the utility model, in the message transmitting procedure of power distribution room Yu distribution control centre, tradition is needed a variety of
The function that terminal is completed is integrated in a kind of terminal, and much information shares a communication port, not only realizes that much information shares
Same communication port is uploaded to control centre, saves communication port resource, while mitigates the workload of O＆M unit, solves and matches somebody with somebody
The multimode monitoring problem of power network switch equipment, reduce secondary device quantity, promote power equipment intelligent.
It should be noted that the operation of power networks status signal in various embodiments of the utility model refers to reflecting operation of power networks
Each signal data of state, voltage, electric current and switching value can be included；Running environment signal refers to reflecting power distribution room operation
Each signal data of ambient condition, temperature data, humidity data and video data can be included.
Further, inventor in actual applications, it is found that each distribution terminal in conventional art works independently, when indivedual
When distribution terminal and the communication failure of distribution control centre, switch cubicle where distribution control centre can not receive the terminal
Status information, influence real-time monitoring of the distribution control centre to power distribution room, poor reliability.
In order to solve the problems, such as that above-mentioned monitoring reliability difference, the utility model in real time are adopted to distribution terminal comprehensive integration information
The concrete structure of collecting system is described, as shown in Figure 2；Fig. 2 is the utility model distribution terminal comprehensive integration information gathering system
The concrete structure schematic diagram of system.
In a specific embodiment, master terminal and each sub- terminal are software and hardware structure identical Distributed power end
End；
Distributed power terminal includes information acquisition unit, communication module and power supply module；Information acquisition unit leads to respectively
UART interface and USB interface connection communication module are crossed, power supply module is connected by stable-pressure device；Communication module passes through Ethernet
Distribution control centre is connected, power supply module is connected by dropping equipment.
Specifically, as shown in Fig. 2 being respectively provided with Distributed power terminal inside the n of switch cubicle 1,2,3 ... in power distribution room
1、2、3…n；Each Distributed power terminal is respectively provided with protection, measurement, humiture collection and video acquisition function；Master terminal is
Distributed power terminal 3 in switch cubicle 3；The Distributed power that each sub- terminal includes being separately positioned in switch cubicle 1,2 ... n is whole
Hold 1,2 ... n；Distributed power terminal 3 collects each sub- terminal by wireless network and gathers operation of power networks status signal and fortune
Row ambient signal, by Ethernet, by the operation of power networks status signal of the n of Distributed power terminal 1,2,3 ... and operation
Ambient signal is together uploaded to distribution control centre；
In signal transmission, all signals share a communication channel, save communication port resource, reduce operation and maintenance
Workload.
Further, the Distributed power terminal in power distribution room can be connected as master terminal with distribution control centre；Match somebody with somebody
The Distributed power terminal 3 of switch cubicle 3 is connected with distribution control centre in electric room when breaking down；Except Distributed power terminal
Outside 3, any one Distributed power terminal can be used as master terminal, the operation of power networks that will be collected in real time in switch cubicle 1,2 ... n
Operation of power networks status signal, the running environment signal of status signal, running environment signal and each sub- terminal received pass through
Ethernet is transferred to distribution control centre；Each sub- terminal includes other Distributed power terminals in addition to master terminal in power distribution room；
During as the communication failure of the Distributed power terminal for master terminal and distribution control centre, other are any one
Individual distribution formula distribution terminal substitutes the Distributed power terminal of the communication failure to turn into master terminal, connection distribution control centre, adopts
Collect the real time information of power distribution room, switch cubicle, transmit the reliability for distribution control centre, improving system.
In a specific embodiment, information acquisition unit includes main control module and video acquisition module；
Main control module passes through UART interface connection communication module；The power supply module is connected by the stable-pressure device；Depending on
Frequency acquisition module passes through USB interface connection communication module.
In a specific example, as shown in figure 3, Fig. 3 is the utility model distribution terminal comprehensive integration information gathering system
The structural representation of Distributed power terminal is, it is necessary to which explanation, Fig. 3 is only Distributed power in a utility model in system
The example of terminal concrete structure.Distributed power terminal include main control module, video acquisition module, temperature and humidity acquisition module and
Communication module；Main control module can connect video acquisition module by network interface card, and humiture collection mould is connected by RS485 buses
Block, by SGMII, (Serial Gigabit Media Independent Interface, Serial Gigabit Media independently connect
Mouthful) interface connection communication module.
Main control module uses AM5K2E02 multinuclear high-performance low-power-consumption processors, has the ARM that 2 dominant frequency are 1.4GHz
CortexA15 kernels and multiple gigabit ethernet interfaces for supporting audio/video bridge joint (802.1Qav/D6.0) function.Processing
Device connects 4 DDR3 memory chips to extend in 2GB by DDR (Dual Data Rate, Double Data Rate) 3 interfaces
Space is deposited, two panels NAND_ is connected by EMFI (External Memory Interface, external memory interface) interface
Flash chip connects two panels ISO3088 chips to extend 8GB Flash memory spaces, by 2 tunnel UART interfaces and forms two
Road RS485 buses, for connecting temperature and humidity acquisition module.
Preferably, main control module, can be by based on Linux systems to the control function of each sensor, data acquisition module
The software systems of system exploitation are realized；Software is broadly divided into two parts of video bridge service software and Information Gathering Software：Video
Bridge service software is mainly responsible for realizing that video network bridges between IP Camera and control centre, realizes control centre pair
Video data is checked；Information Gathering Software is mainly responsible for humiture collection, substation level communication and telemechanical communication.
Video acquisition module is based on TCP/IP (Transmission Control Protocol/Internet including multiple
Protocol, transmission control protocol/Internet Protocol) agreement series network camera；It can pass through between camera
100 m ethernet line is connected, and is connected to a network interface card of main control module.
With the network card configuration of be connected main control module it is same IP network section by all cameras.With the one of main control module
Individual Ethernet interface can connect 12 IP Cameras, can be achieved to power distribution room and switch cubicle multi-angle, comprehensive real-time monitoring.
Temperature and humidity acquisition module can include two parts of wireless humiture sensor and wireless humiture read module.Such as
Shown in Fig. 4 and Fig. 5.Fig. 4 is wireless humiture sensor in the utility model distribution terminal comprehensive integration information acquisition system
Structural representation；Fig. 5 is wireless humiture read module in the utility model distribution terminal comprehensive integration information acquisition system
Structural representation.
Wireless humiture sensor can be active radio sensor；Active radio sensor includes the low work(of CC1101-Q1
Consume radio transmitting and receiving chip, MSP430F2132-Q1 low-power scms, HDC1080 power consumption temperature and humidity sensing chips and
TPS62745 low-power consumption synchronizations BUCK is depressured chip；These chips are operable with -40~125 DEG C of temperature ranges, are adapted to switch
Adverse circumstances in cabinet.Active radio sensor is powered using 150 DEG C of high temperature lithiums-thionyl chloride battery, and battery capacity is
400mAh, it is available for active radio sensor persistently to use 5 years.Single-chip microcomputer connects radio transmitting and receiving chip by spi bus, passes through
I2C buses connect temperature and humidity sensing chip；The 3.6V voltages of high-temperature battery are down to 2.5V for institute by synchronous BUCK decompressions chip
There is chip use.
Preferably, wireless humiture sensor can be constantly in park mode, according to default frequency by wireless humiture
Read module is waken up by wireless signal, is measured local humiture and is sent by wireless signal to wireless humiture and reads mould
Block, park mode is gone successively to afterwards so as to reduce power consumption, improves battery life.
Wireless humiture read module includes CC1125 high-performance wireless transceiving chip, MSP430F5529 high-performance monolithics
Machine, ISO3088 isolated form RS485 chips, AC/DC (Alternating Curren/Direct Current, alternating current/direct current
Electricity) switch power module and TPS7A4533 linear regulator chips.Single-chip microcomputer connects radio transmitting and receiving chip by spi bus, passes through
UART interface connects RS485 chips, so as to realize the communication with radio temperature sensor and main control module.
Wireless humiture read module with main control module is communicated using Modbus agreements and by RS485 buses, and is passed through
433MHz wireless signals communicate with the active radio Temperature Humidity Sensor, according to default frequency, by wireless signal to institute
Some wireless humiture sensors are once waken up, and read data of the Temperature and Humidity module.Each wireless humiture read module can be with
32 wireless humiture sensor communications, wireless signal can cover a power distribution room, can be covered in outdoor unobstructed environment
About 100 meters of scopes, the humiture status signal of power distribution room and switch cubicle can be gathered comprehensively.
Communication module in this example can realize related function by ethernet module；Ethernet module includes three tunnels
10/100/1000MHz adaptive ethernet cards, be respectively used to connect IP Camera, transformer station backstage and control centre.Net
Card uses 88E1512 Ethernet PHY chips, is connected by SGMII interfaces with main control module processor.
Ethernet module supports IEC61850 stations layer MMS (Manufacturing Message Specification, system
Make message specification) communication, the MMS messages stood by receiving and dispatching IEC61850 in layer bus, realize the letter with Substation control center
Breath interaction, obtains the signals such as voltage, electric current and the position of the switch；Communicated by IEC60870-5-104 stipulations with control centre realization
Collection of the distribution control centre to information such as operation of power networks state, primary equipment running environment states.
In a specific embodiment, video acquisition module includes camera；Camera passes through USB interface and the mould that communicates
Block connects.
Specifically, camera gathers the video information of power distribution room, switch cubicle in real time, and is believed video by USB interface
Number transmit to communication module.
In a specific embodiment, main control module includes dsp chip, voltage x current Acquisition Circuit, output switch parameter
Circuit, switching value input circuit, temperature and humidity sensing chip and clock chip；
Dsp chip is connected by spi bus with voltage x current Acquisition Circuit, and electricity is exported by GPIO interface connecting valve amount
Road, switching value input circuit, temperature and humidity sensing chip, clock chip are connected by I2C buses.
Referring to Fig. 6, Fig. 6 is the main control module hardware architecture diagram of the utility model Distributed power terminal.
In one of the embodiments, dsp chip is TMS320F28035 type processors；
Voltage x current Acquisition Circuit includes AD7606 chips, voltage transformer and current transformer；The one of AD7606 chips
End connects voltage transformer, current transformer by sample circuit, and the other end connects dsp chip by spi bus；
Switching value output circuit includes TLP187 photoelectric couplings chip and relay；One end of TLP187 photoelectric coupling chips
Dsp chip, other end connection relay are connected by GPIO interface；
Switching value input circuit includes TLP185 photoelectric coupling chips；TLP185 photoelectric coupling chips are connected by GPIO interface
Connect dsp chip；
Temperature and humidity sensing chip is HDC1080 temperature and humidity sensing chips；
The clock chip is X1286 real-time timepiece chips；
Stable-pressure device includes the LT1763-5 linear regulator chips and TPS7A4533 linear voltage stabilization cores of connection power supply module
Piece；
Specifically, TMS320F28035 types processor running frequency is 60MHz, and Flash memory spaces are 128K on piece
It is 20K with memory headroom.Dsp chip connects 1 AD7606 chip by spi bus and forms No. 8 sample circuits；4 voltage-types
Voltage transformer is connected with sample circuit, measures three-phase voltage and residual voltage respectively；4 Voltage Type Current Transformers and sampling
Circuit connects, and measures three-phase current and zero-sequence current respectively.
Further, dsp chip can connect 4 TLP187 photoelectric coupling chips by GPIO interface, drive 4 8A/
220V relays form 4 way switch amount output circuits；Again, dsp chip connects 6 TLP185 photoelectric couplings by GPIO interface
Chip, form 6 road 24V switching value input circuits.In addition, dsp chip can also connect HDC1080 low-power consumption temperature by I2C buses
Humidity sensor chip and X1286 real-time timepiece chips, for measuring the temperature in switch cubicle, humidity and obtaining time and day
Phase.
Main control module can be powered by 9V DC and 24V DC；9V DC are converted into 5V by LT1763-5 linear regulator chips；
9V DC are converted into 3.3V by TPS7A4533 linear regulator chips；24V DC are supplied to input and output loop to use.
Dsp chip is by UART interface connection communication module, by the voltage signal, current signal, on-off model of collection
And the signal such as humiture is transmitted to communication module.
Main control module has overcurrent protection, zero-sequenceprotection function, including 4 road relay switching variable output circuits, 6 tunnels
24V switching value input circuits, there is the electrical quantity such as voltage, electric current, active power, reactive power, electricity and switching value
Function is measured, also measures function with temperature and humidity；It is connected by UART interface with communication module, the signal that measurement is obtained
Transmit to communication module.
Fig. 7 is the hardware architecture diagram of the communication module of the utility model Distributed power terminal；As shown in fig. 7,
In one specific embodiment, communication module includes SOC.
In a specific embodiment, SOC is MT7688 cake cores.
Dropping equipment includes NCP3170 synchronous bucks chip and TPS65010 multi-channel synchronous decompression chip；NCP3170 is same
One end connection power supply module of step decompression chip, other end connection TPS65010 multi-channel synchronous decompression chips.
Specifically, MT7688 cake cores have 580MHz running frequency；SOC is connected by DDR2 sync caps
1 memory chip, model W971GG6KB, memory headroom 128M；SOC connects a piece of Flash cores by SPI interface
Piece, model W25Q256FV, memory space 32M；
9V is converted to 5V by NCP3170 synchronous bucks chip, and TPS65010 multi-channel synchronous decompression chip is converted to 5V
Tri- kinds of voltages of 3.3V, 1.8V and 1.2V use for each chip.
Communication module is communicated by UART interface with main control module, obtain main control module collection electrical quantity, switching value with
And protection signal, the signal gathered by USB interface reception video acquisition module.
Further, communication module also includes wave point, RF coaxial line and antenna；Wave point passes through RF coaxial
Line is connected with antenna；Antenna is the high-gain aerial outside Distributed power terminal cabinet；Wireless signal is same by radio frequency
Axis is connected to antenna, can cover the scope of 50 meters of a power distribution room or radius.
Specifically, wave point speed is 300Mbps；Antenna is launched and receives wireless signal, each Distributed power terminal
It is connected with each other by wireless signal, transmits the operation of power networks status signal and running environment signal of collection.
Communication module connects distribution control centre by Ethernet, by the operation of power networks status signal and running environment of collection
Signal is transmitted to distribution control centre.
Specifically, communication module includes two USB2.0 interfaces and two-way 100/10Mbs dual rate RJ45 Ethernets
Interface；Each communication module can connect two cameras by USB2.0 interfaces；Communication module is used based on Linux's
OpenWrt3.0 operating systems, ICP/IP protocol is supported, can be communicated by IEC60870-5-104 with distribution control centre, realized
Collection of the distribution control centre to information such as operation of power networks state, equipment operating environment states.
In a specific embodiment, power supply module includes AC/DC modules；
AC/DC modules are connected with outside input circuit.
In a specific embodiment, AC/DC modules are UCC28740 flyback pulse width modulating chips.
Specifically, as shown in figure 8, Fig. 8 is the hardware principle of the power supply module of the utility model Distributed power terminal
Schematic diagram.Power supply module has level Four carrying out surge protection horizontal, and the voltage range of input is 90~256V AC/DC.Power supply module has
There is the output of three tunnels, wherein main output uses the efficient synchronous rectification based on UCC24636 chips, it is 9V/2A；Auxiliary output
Using schottky diode with high performance rectification, for the 24V/0.2A of two-way isolation.Main output connects with stable-pressure device and dropping equipment
Connect；Auxiliary output is supplied to input and output loop to use.
To sum up, distribution terminal comprehensive integration information acquisition system provided by the utility model, by master terminal by Ethernet,
The signal of the signal of collection and each sub- terminal collection received is transferred to distribution control centre.Master terminal and sub- terminal are equal
For software and hardware structure identical Distributed power terminal.It is a variety of in the message transmitting procedure of power distribution room Yu distribution control centre
One communication port of information commons, save communication port resource；Each Distributed power terminal can enter row information as master terminal
Collect and transmission, as the Distributed power terminal for master terminal and distribution control centre communication failure when, other
One distribution formula distribution terminal of meaning substitutes the Distributed power terminal of the communication failure to turn into master terminal, in connection distribution scheduling
The heart, the real time information of power distribution room, switch cubicle is gathered, transmits the reliability for distribution control centre, improving system.
Each technical characteristic of above example can be combined arbitrarily, to make description succinct, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, lance is not present in the combination of these technical characteristics
Shield, all it is considered to be the scope of this specification record.
Above example only expresses several embodiments of the present utility model, and its description is more specific and detailed, but simultaneously
Therefore the limitation to utility model patent scope can not be interpreted as.It should be pointed out that the ordinary skill people for this area
For member, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this reality
With new protection domain.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of distribution terminal comprehensive integration information acquisition system, it is characterised in that dispatched including connecting distribution by Ethernet
The master terminal at center connects each sub- terminal of the master terminal with by wireless network；
Each sub- terminal passes the operation of power networks status signal collected in real time and running environment signal by wireless network
It is defeated by the master terminal；The master terminal is by the operation of power networks status signal collected in real time, running environment signal and reception
To the operation of power networks status signal of each sub- terminal, running environment signal is transferred in the distribution scheduling by Ethernet
The heart.
2. distribution terminal comprehensive integration information acquisition system according to claim 1, it is characterised in that the master terminal and
Each sub- terminal is software and hardware structure identical Distributed power terminal；
The Distributed power terminal includes information acquisition unit, communication module and power supply module；Described information collecting unit point
The communication module is not connected by UART interface and USB interface, the power supply module is connected by stable-pressure device；It is described logical
Letter module connects the distribution control centre by Ethernet, and the power supply module is connected by dropping equipment.
3. distribution terminal comprehensive integration information acquisition system according to claim 2, it is characterised in that described information gathers
Unit includes main control module and video acquisition module；
The main control module connects the communication module by the UART interface, and the power supply is connected by the stable-pressure device
Module；The video acquisition module connects the communication module by the USB interface.
4. distribution terminal comprehensive integration information acquisition system according to claim 3, it is characterised in that the video acquisition
Module includes camera；
The camera is connected by the USB interface with the communication module.
5. distribution terminal comprehensive integration information acquisition system according to claim 3, it is characterised in that the main control module
Including dsp chip, voltage x current Acquisition Circuit, switching value output circuit, switching value input circuit, temperature and humidity sensing chip and
Clock chip；
The dsp chip connects the voltage x current Acquisition Circuit by spi bus, and the switching value is connected by GPIO interface
Output circuit, the switching value input circuit, the temperature and humidity sensing chip, the clock chip are connected by I2C buses.
6. distribution terminal comprehensive integration information acquisition system according to claim 5, it is characterised in that the dsp chip
For TMS320F28035 type processors；
The voltage x current Acquisition Circuit includes AD7606 chips, voltage transformer and current transformer；The AD7606 chips
One end the voltage transformer, the current transformer are connected by sample circuit, the other end is connected by the spi bus
The dsp chip；
The switching value output circuit includes TLP187 photoelectric couplings chip and relay；The TLP187 photoelectric couplings chip
One end connects the dsp chip by the GPIO interface, and the other end connects the relay；
The switching value input circuit includes TLP185 photoelectric coupling chips；The TLP185 photoelectric couplings chip passes through described
GPIO interface connects the dsp chip；
The temperature and humidity sensing chip is HDC1080 temperature and humidity sensing chips；
The clock chip is X1286 real-time timepiece chips；
The stable-pressure device includes LT1763-5 linear regulator chips, the TPS7A4533 linear voltage stabilizations for connecting the power supply module
Chip.
7. the distribution terminal comprehensive integration information acquisition system according to claim 2 to 6 any one, it is characterised in that
The communication module includes SOC.
8. distribution terminal comprehensive integration information acquisition system according to claim 7, it is characterised in that the SOC
For MT7688 cake cores；
The dropping equipment includes NCP3170 synchronous bucks chip and TPS65010 multi-channel synchronous decompression chip；It is described
One end of NCP3170 synchronous buck chips connects the power supply module, and the other end connects the TPS65010 multi-channel synchronous drop
Press chip.
9. the distribution terminal comprehensive integration information acquisition system according to claim 2 to 6 any one, it is characterised in that
The power supply module includes AC/DC modules；
The AC/DC modules are connected with outside input circuit.
10. distribution terminal comprehensive integration information acquisition system according to claim 9, it is characterised in that the AC/DC moulds
Block is UCC28740 flyback pulse width modulating chips.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109756576A (en) * | 2019-01-31 | 2019-05-14 | 河北荣毅通信有限公司 | A kind of photoelectric grid system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109756576A (en) * | 2019-01-31 | 2019-05-14 | 河北荣毅通信有限公司 | A kind of photoelectric grid system |
| CN109756576B (en) * | 2019-01-31 | 2022-08-26 | 河北荣毅通信有限公司 | Photoelectric network system |
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Effective date of registration: 20210603 Address after: 510700 3rd, 4th and 5th floors of building J1 and 3rd floor of building J3, No.11 Kexiang Road, Science City, Luogang District, Guangzhou City, Guangdong Province Patentee after: China South Power Grid International Co.,Ltd. Address before: 510663 1-2 / F, building J3, No.11 Kexiang Road, Science City, Luogang District, Guangzhou City, Guangdong Province Patentee before: POWER GRID TECHNOLOGY RESEARCH CENTER. CHINA SOUTHERN POWER GRID Patentee before: China South Power Grid International Co.,Ltd. |
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