CN106128088A - A kind of data acquisition unit being easy to safeguard - Google Patents
A kind of data acquisition unit being easy to safeguard Download PDFInfo
- Publication number
- CN106128088A CN106128088A CN201610715753.XA CN201610715753A CN106128088A CN 106128088 A CN106128088 A CN 106128088A CN 201610715753 A CN201610715753 A CN 201610715753A CN 106128088 A CN106128088 A CN 106128088A
- Authority
- CN
- China
- Prior art keywords
- data
- module
- wireless communication
- data acquisition
- communication module
- 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
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C25/00—Arrangements for preventing or correcting errors; Monitoring arrangements
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- 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
-
- 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
- H04L41/0668—Management of faults, events, alarms or notifications using network fault recovery by dynamic selection of recovery network elements, e.g. replacement by the most appropriate element after failure
-
- 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
- H04L41/0681—Configuration of triggering conditions
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The invention discloses a kind of data acquisition unit be easy to and safeguard, it includes the data collection station being connected with distribution terminal, the power information of electrical network primary equipment in gathering distribution terminal, and the power information collected is sent to distribution main station system or the distribution main station system director data that received is sent to distribution terminal；Described data collection station includes microprocessor, data acquisition channel, the first wireless communication module, the second wireless communication module, communication handover module, memory element and power module.The present invention is by the power information of electrical network primary equipment in data acquisition channel collection distribution terminal, the power information collected is sent to distribution main station system by the first wireless communication module and the second wireless communication module access communications network and maybe the distribution main station system director data received is sent to distribution terminal, carry out troubleshooting for electrical power distribution automatization system and provide criterion accurate, reliable, meet the requirement of electrical power distribution automatization system.
Description
Technical field
The present invention relates to a kind of data acquisition unit, a kind of data acquisition unit being easy to safeguard, belong to
Electric power data processing technology field.
Background technology
The basis that electrical power distribution automatization system is implemented is that the primary equipment to power distribution network carries out monitoring that control operates, and power distribution network
Itself there is feature widely distributed, that number of devices is big, residing geographical position communication condition is complicated.Distribution terminal is that distribution is automatic
An ingredient important in change system.Distribution terminal can not only monitor distribution under normal circumstances at electrical power distribution automatization system
Net feeder line operation conditions, more importantly can quickly and reliably catch fault-signal in the case of feeder fault, it is judged that occur
The type (being singlephase earth fault or phase-to phase fault) of fault, for electrical power distribution automatization system carry out troubleshooting provide accurately,
Criterion reliably.Therefore, a kind of data acquisition unit is needed to meet between distribution terminal and electrical power distribution automatization system system
The requirement of electrical power distribution automatization system.
Under distribution network automated overall situation, data acquisition unit is required to ensure the power supply quality of user, has
The most real meaning, is also the important component part realizing demand management.Along with data acquisition unit is in power system
Application is more and more universal, and the requirement to data acquisition unit product is more and more higher simultaneously, needs when data acquisition unit runs
Higher reliability.
Summary of the invention
For the deficiencies in the prior art, the present invention proposes a kind of data acquisition unit be easy to and safeguard, it ensure that
Real-time transmission data between distribution terminal and electrical power distribution automatization system, meets the requirement of electrical power distribution automatization system.
The present invention solves its technical problem and adopts the technical scheme that: a kind of data acquisition unit being easy to safeguard, including
Data collection station, described data collection station is connected with distribution terminal, electrical network primary equipment in gathering distribution terminal
Power information, is sent to distribution main station system by the power information collected by communication network or is connect by communication network
The distribution main station system director data received is sent to distribution terminal；It is characterized in that,
Described data collection station includes microprocessor, data acquisition channel, the first wireless communication module, the second channel radio
Letter module, communication handover module, memory element and power module, described microprocessor passes through data acquisition channel and distribution terminal
Being connected, microprocessor is connected with the first wireless communication module and the second wireless communication module by RS-232 interface respectively, and first
Wireless communication module and the second wireless communication module are connected with distribution main station system by communication network, and described memory element is with micro-
Processor is connected, and described power module is connected with microprocessor, the first wireless communication module and the second wireless communication module respectively；
Described communication handover module includes the first signal acquisition circuit, secondary signal Acquisition Circuit, single-chip microcomputer, the first relay
Device and the second relay, described first signal acquisition circuit is arranged on the communication between the first wireless communication module and microprocessor
In circuit, described secondary signal Acquisition Circuit is put in the communication line between the second wireless communication module and microprocessor, institute
The first signal acquisition circuit stated is connected with the input of single-chip microcomputer respectively with the outfan of secondary signal Acquisition Circuit, described list
The outfan of sheet machine is connected with the absorption coil of the first relay and the second relay respectively, and the normally closed of described first relay is touched
Point is arranged in the current supply circuit between the first wireless communication module and power module, and the normally opened contact of described second relay sets
Put in the current supply circuit between the second wireless communication module and power module；
Described power module includes alternating current input block, DC supply input unit, Switching Power Supply, switching switch and direct current
Voltage changer, described alternating current input block is connected with the input of Switching Power Supply, and the outfan of described Switching Power Supply passes through
Switching switch is connected with the input of DC voltage converter, and described DC supply input unit is switched by switching and DC voltage
The input of changer connects, the outfan of described DC voltage converter respectively with microprocessor, the first wireless communication module
It is connected with the second wireless communication module.
Preferably, the outfan of described single-chip microcomputer by optical coupling isolation circuit respectively with the first relay and the second relay
Absorption coil be connected, described single-chip microcomputer be also associated with crystal oscillating circuit and deferred action switch.
Preferably, described first signal acquisition circuit includes that a RS-232 turns Transistor-Transistor Logic level transducer, a described RS-
The input of 232 turns of Transistor-Transistor Logic level transducers and the first wireless communication module connect to the downstream signal line of microprocessor, outfan
It is connected with the input of microprocessor；Described secondary signal Acquisition Circuit includes that the 2nd RS-232 turns Transistor-Transistor Logic level transducer, described
2nd RS-232 turn the input of Transistor-Transistor Logic level transducer and the second wireless communication module to microprocessor downstream signal line even
Connecing, outfan is connected with the input of microprocessor.
Preferably, described power module also includes the first isolation circuit and the second isolation circuit, described first isolation circuit
Being arranged in the circuit between the outfan of Switching Power Supply and switching switch, described second isolation circuit is arranged on DC supply input
In circuit between unit and switching switch.
Preferably, described switching switch includes the 3rd relay, and the outfan of described Switching Power Supply is by the first isolation electricity
Road is connected with the sucking coil of the 3rd relay and the inlet wire side of the 3rd relay normally open contact respectively, described DC supply input list
Unit is connected by the inlet wire side of the second isolation circuit and the 3rd relay normally-closed contact, the normally opened contact of described 3rd relay with
The outgoing line side of normally-closed contact is connected with the input of DC voltage converter with after being in parallel.
Preferably, described switching switch includes single-pole double-throw switch (SPDT), and the outfan of described Switching Power Supply is by the first isolation
One of circuit and single-pole double-throw switch (SPDT) not moved end is connected, and described DC supply input unit is double with hilted broadsword by the second isolation circuit
Another of throw switch does not connects moved end, and the moved end of described single-pole double-throw switch (SPDT) is connected with the input of DC voltage converter.
Preferably, described DC voltage converter has the outfan of different output voltage.
Preferably, described first wireless communication module and the second wireless communication module all use GPRS wireless communication module.
Preferably, described communication network includes GPRS routing node, power system routing node, is arranged on GPRS route joint
Put the APN special line between power system routing node and the APN special line fire wall being arranged on APN special line, described GPRS
Communication connection is set up by gre tunneling, for electricity in routing node is arranged on communication network and with the GGSN in communication network
Force system routing node forwards the power information data from data collection station, or forwards from described to data collection station
The director data of power system routing node；Described power system routing node is arranged on power supply administration's electric power system data platform
In, and be connected with distribution main station system, for the forwarding of GPRS routing node from the director data of distribution main station system, or to
Distribution main station system forwards the power information data from GPRS routing node；Described APN special line is used for transmitting GPRS route joint
The power information data that point forwards to power system routing node, or transmission power system routing node is to GPRS routing node
The director data forwarded；Described APN special line fire wall for carrying out security protection, IP ground to the data of transmission on APN special line
Location and ports filter.
Preferably, described data collection station also includes that software channel module, described software channel module include descending chain
Connect road, uplink passage, cache module, protocol stack module, correction verification module, logging modle, re-transmission trigger module, described under
Row link passage is for being connected with distribution terminal foundation lower；Described uplink passage on according to configuration with many numbers
Set up according to acquisition channel and connect, when data acquisition channel and distribution terminal carry out passage switching, downlink passage and distribution
Terminal keeps connecting；When described cache module is for caching passage switching, former data acquisition channel needs to be issued to distribution terminal
Data, after having switched data transmission through passage, then are issued to join by the data acquisition channel after switching by data cached
Electric terminals；Described protocol stack module is in order to store communication protocol；Described correction verification module is for joining when software channel module receives
The data sent on electric terminals or receive when data acquisition channel is issued to the data of distribution terminal according to communication protocol data
Effectiveness verify；Described logging modle is used for real time record downlink passage and the data volume of uplink passage,
When software channel module is with distribution terminal, data acquisition channel transmission data, uses and forward confirmation Retransmission timeout mechanism, if soft
Part channel module does not receive confirmation message in the stipulated time, and software channel module transmits data the most again；Described re-transmission is touched
Send out module for not receiving really in the stipulated time when software channel module is with distribution terminal, data acquisition channel transmission data
Recognize message, then use and forward confirmation Retransmission timeout mechanism to carry out automatically again transmitting data.Join when software channel module receives
During the data sent on electric terminals, these data are after inspection, according to the connection of software channel module Yu data acquisition channel, and these data
Can be by many parts of software channel module forwards to each data acquisition channel；When software channel module receives under data acquisition channel
When being dealt into the data of distribution terminal, these data are after verification, and only portion is issued to the distribution of correspondence eventually by software channel module
End.
Beneficial effects of the present invention is as follows:
The present invention is by the power information of electrical network primary equipment in data acquisition channel collection distribution terminal, by collect
Power information is sent to distribution main station system by the first wireless communication module and the second wireless communication module access communications network
Maybe the distribution main station system director data received is sent to distribution terminal, carries out troubleshooting for electrical power distribution automatization system and carry
Supply criterion accurate, reliable, meet the requirement of electrical power distribution automatization system.
The data collection station of the present invention uses the first wireless communication module and the second wireless communication module access communication network
Network is connected with distribution main station system, and the first wireless communication module and the second wireless communication module as standby usage communication module and are adopted
Switch over communication handover module, communication handover module by the first signal acquisition circuit monitor the first wireless communication module and
Signal of communication between microprocessor, if it find that send warning message when signal of communication interrupts to single-chip microcomputer, single-chip microcomputer according to
Second wireless communication module is worked on power by warning message by controlling the second relay, controls the first relay pair simultaneously
First wireless communication module carries out power-off, carries out standby usage communication module switching.After the switching of standby usage communication module, second is wireless
Communication module is as primary communication module, and the first wireless communication module is as spare communication module, and communication handover module is by the
Binary signal Acquisition Circuit monitors the signal of communication between the second wireless communication module and microprocessor, if it find that in signal of communication
Send warning message time disconnected to single-chip microcomputer, single-chip microcomputer according to warning message by controlling the first relay to the first radio communication mold
Block works on power, and controls the second relay simultaneously and the second wireless communication module carries out power-off, again carries out standby usage and leads to
The switching of letter module.This ensure that the reliability of communication between data collection station and distribution main station system, solve and join
The problem that between electric terminals and distribution main website, communication is the most smooth, is not only convenient for safeguarding, reduces the maintenance cost of power distribution network, Er Qiebao
Demonstrate,prove real-time transmission data between distribution terminal and electrical power distribution automatization system, meet the requirement of electrical power distribution automatization system.
The power module of the present invention achieves AC-DC double power supply input power supply mode, Dang Yilu by using switching switch
During power failure, another road power supply can be switched to by single-pole double-throw switch (SPDT), or be automatically switched to by relay
Another road power supply, is not only simple in structure, has the low in energy consumption and feature of low cost, and achieve dual power supply input, it is ensured that
The running voltage of data collection station, improves the operational reliability of data collection station.
The communication network of the present invention includes GPRS routing node, power system routing node, is arranged on GPRS routing node
And APN special line between power system routing node and the APN special line fire wall that is arranged on APN special line, ensureing data
Between acquisition terminal and distribution main station system data safety and accurately on the premise of, be substantially reduced power distribution automation main station system with
Communications cost between data collection station, is conducive to realizing power distribution automation in wide scope.The present invention is by communication
In network arrange be exclusively used in transmission electric power system data APN transmission network, utilize this APN transmission network transmission distribution terminal with
Communication data between main station system, thus both met and communicated between data collection station with power distribution automation main station system
Need, meet again the power system security protection requirement about communication, on the premise of guaranteeing data security and be accurate, significantly
Reduce communications cost, be conducive in wide scope, realize power distribution automation.
The present invention is by introducing software channel module, described software channel mould between distribution terminal and data acquisition channel
Lower set up with distribution terminal is connected by block by downlink passage, by uplink passage on according to configuration realization and many
Individual data acquisition channel is set up and is connected, when data acquisition channel and distribution terminal carry out passage switching, software channel module with
Distribution terminal keeps connecting, and when caching passage switching, former data acquisition channel needs to be issued to the data of distribution terminal, at warp
After passage has switched data transmission, then it is issued to distribution terminal by data cached.When software channel module receives distribution eventually
During the data sent on end, the effectiveness of data is verified by software channel module according to communication protocol, and by the number after verification
According to being forwarded to data acquisition channel, when software channel module receives the data that data acquisition channel is issued to distribution terminal,
Software channel module is issued to distribution terminal according to communication protocol to after data validity check.Software channel module real time record
Its Data entries and the data volume of data outlet, when software channel module is with distribution terminal, data acquisition channel transmission data,
Use to forward and confirm Retransmission timeout mechanism, if software channel module does not receive confirmation message, software channel mould in the stipulated time
Block transmits data the most again.The present invention achieves the number of distribution terminal and data acquisition unit by using software channel module
According to the multiple communication between acquisition channel, when passage switches, do not turn off connection, it is to avoid loss of data, reduce cost simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of communication handover module of the present invention；
Fig. 3 is the structural representation of power module of the present invention；
Fig. 4 is structural representation during switching switch employing three relay of the present invention；
Fig. 5 is structural representation during switching switch employing single-pole double-throw switch (SPDT) of the present invention；
Fig. 6 is the structural representation of communication network of the present invention；
Fig. 7 is the structural representation of software channel module of the present invention.
Detailed description of the invention
For the technical characterstic of this programme can be clearly described, below by detailed description of the invention, and combine its accompanying drawing, to this
Bright it is described in detail.Following disclosure provides many different embodiments or example for realizing the different knots of the present invention
Structure.In order to simplify disclosure of the invention, hereinafter parts and setting to specific examples are described.Additionally, the present invention is permissible
Repeat reference numerals and/or letter in different examples.This repetition is for purposes of simplicity and clarity, and itself does not indicates
Relation between various embodiment being discussed and/or arranging.It should be noted that, parts illustrated in the accompanying drawings are not necessarily to scale
Draw.Present invention omits the description to known assemblies and treatment technology and process to avoid being unnecessarily limiting the present invention.
As depicted in figs. 1 and 2, the present invention a kind of is easy to the data acquisition unit safeguarded, it includes data collection station,
Described data collection station is connected with distribution terminal, and in gathering distribution terminal, the power information of electrical network primary equipment, will adopt
Collect to power information be sent to distribution main station system or the distribution master received by communication network by communication network
System command data of standing are sent to distribution terminal；Described data collection station includes microprocessor, data acquisition channel, the first nothing
Line communication module, the second wireless communication module, communication handover module, memory element and power module, described microprocessor passes through
Data acquisition channel is connected with distribution terminal, and microprocessor is respectively by RS-232 interface and the first wireless communication module and second
Wireless communication module is connected, and the first wireless communication module and the second wireless communication module are by communication network and distribution main station system
Be connected, described memory element is connected with microprocessor, described power module respectively with microprocessor, the first wireless communication module and
Second wireless communication module connects.The present invention is believed by the electric power of electrical network primary equipment in data acquisition channel collection distribution terminal
Breath, is sent to the power information collected by the first wireless communication module and the second wireless communication module access communications network
The distribution main station system director data received maybe is sent to distribution terminal by distribution main station system, enters for electrical power distribution automatization system
Criterion accurate, reliable that row troubleshooting provides, meets the requirement of electrical power distribution automatization system.
As in figure 2 it is shown, communication handover module of the present invention includes that the first signal acquisition circuit, secondary signal gather electricity
Road, single-chip microcomputer, the first relay and the second relay, described first signal acquisition circuit be arranged on the first wireless communication module with
In communication line between microprocessor, described secondary signal Acquisition Circuit put the second wireless communication module and microprocessor it
Between communication line in, the first described signal acquisition circuit and the outfan of secondary signal Acquisition Circuit respectively with single-chip microcomputer
Input is connected, and the outfan of described single-chip microcomputer is connected with the absorption coil of the first relay and the second relay respectively, described
The normally-closed contact of the first relay is arranged in the current supply circuit between the first wireless communication module and power module, and described second
The normally opened contact of relay is arranged in the current supply circuit between the second wireless communication module and power module.
Preferably, the outfan of described single-chip microcomputer by optical coupling isolation circuit respectively with the first relay and the second relay
Absorption coil be connected, described single-chip microcomputer be also associated with crystal oscillating circuit and deferred action switch.
Preferably, described first signal acquisition circuit includes that a RS-232 turns Transistor-Transistor Logic level transducer, a described RS-
The input of 232 turns of Transistor-Transistor Logic level transducers and the first wireless communication module connect to the downstream signal line of microprocessor, outfan
It is connected with the input of microprocessor；Described secondary signal Acquisition Circuit includes that the 2nd RS-232 turns Transistor-Transistor Logic level transducer, described
2nd RS-232 turn the input of Transistor-Transistor Logic level transducer and the second wireless communication module to microprocessor downstream signal line even
Connecing, outfan is connected with the input of microprocessor.
The data collection station of the present invention uses the first wireless communication module and the second wireless communication module access communication network
Network is connected with distribution main station system, and the first wireless communication module and the second wireless communication module as standby usage communication module and are adopted
Switch over communication handover module, communication handover module by the first signal acquisition circuit monitor the first wireless communication module and
Signal of communication between microprocessor, if it find that send warning message when signal of communication interrupts to single-chip microcomputer, single-chip microcomputer according to
Second wireless communication module is worked on power by warning message by controlling the second relay, controls the first relay pair simultaneously
First wireless communication module carries out power-off, carries out standby usage communication module switching.After the switching of standby usage communication module, second is wireless
Communication module is as primary communication module, and the first wireless communication module is as spare communication module, and communication handover module is by the
Binary signal Acquisition Circuit monitors the signal of communication between the second wireless communication module and microprocessor, if it find that in signal of communication
Send warning message time disconnected to single-chip microcomputer, single-chip microcomputer according to warning message by controlling the first relay to the first radio communication mold
Block works on power, and controls the second relay simultaneously and the second wireless communication module carries out power-off, again carries out standby usage and leads to
The switching of letter module.This ensure that the reliability of communication between data collection station and distribution main station system, solve and join
The problem that between electric terminals and distribution main website, communication is the most smooth, is not only convenient for safeguarding, reduces the maintenance cost of power distribution network, Er Qiebao
Demonstrate,prove real-time transmission data between distribution terminal and electrical power distribution automatization system, meet the requirement of electrical power distribution automatization system.
As it is shown on figure 3, power module of the present invention includes alternating current input block, DC supply input unit, switch
Power supply, switching switch and DC voltage converter, described alternating current input block is connected with the input of Switching Power Supply, described in open
The outfan closing power supply is connected with the input of DC voltage converter by switching switch, and described DC supply input unit passes through
Switching switch be connected with the input of DC voltage converter, the outfan of described DC voltage converter respectively with micro-process
Device, the first wireless communication module and the second wireless communication module are connected.Described power module also includes the first isolation circuit and
Two isolation circuit, described first isolation circuit is arranged in the circuit between the outfan of Switching Power Supply and switching switch, described
Second isolation circuit is arranged in the circuit between DC supply input unit and switching switch.Preferably, described unidirectional current buckling
Parallel operation has the outfan of different output voltage.The power module of the present invention achieves the double electricity of alternating current-direct current by using switching switch
Source input power supply mode, when a road power failure, can be switched to another road power supply by single-pole double-throw switch (SPDT), or
Automatically switch to another road power supply by relay, be not only simple in structure, there is the low in energy consumption and feature of low cost, and realize
Dual power supply input, it is ensured that the running voltage of data collection station, improves the operational reliability of data collection station.
As shown in Figure 4, switching switch of the present invention can use the 3rd relay, the outfan of described Switching Power Supply
Connected with the sucking coil of the 3rd relay and the inlet wire side of the 3rd relay normally open contact JK1 respectively by the first isolation circuit
Connecing, described DC supply input unit is connected by the inlet wire side of the second isolation circuit and the 3rd relay normally-closed contact JK2, described
The outgoing line side of the normally opened contact JK1 and normally-closed contact JK2 of the 3rd relay is with input with DC voltage converter after being in parallel
End connects.By using switching switch to achieve AC-DC double power supply input power supply mode, when a road power failure, can
To be switched to another road power supply by single-pole double-throw switch (SPDT), or automatically switch to another road power supply by relay, not only tie
Structure is simple, have the low in energy consumption and feature of low cost, and ensure that the running voltage of data collection station, improves data acquisition
The operational reliability of collection terminal.
As it is shown in figure 5, switching switch of the present invention can also use single-pole double-throw switch (SPDT) S, described Switching Power Supply defeated
Go out end by one of the first isolation circuit and single-pole double-throw switch (SPDT) not moved end 1 be connected, described DC supply input unit passes through the
Another of two isolation circuit and single-pole double-throw switch (SPDT)s is not connected moved end 2, the moved end 3 of described single-pole double-throw switch (SPDT) and DC voltage
The input of changer connects.By using single-pole double-throw switch (SPDT) S to achieve AC-DC double power supply input power supply mode, Dang Yilu
During power failure, another road power supply can be switched to by single-pole double-throw switch (SPDT), it is ensured that the work of data collection station
Voltage, improves the operational reliability of data collection station.
Preferably, described first wireless communication module and the second wireless communication module all use GPRS wireless communication module.
As shown in Figure 6, communication network of the present invention includes GPRS routing node, power system routing node, setting
APN special line between GPRS routing node and power system routing node and the APN special line being arranged on APN special line are prevented
Wall with flues, is communicated by gre tunneling foundation in described GPRS routing node is arranged on communication network and with the GGSN in communication network
Connect, for forwarding the power information data from data collection station to power system routing node or whole to data acquisition
End forwards the director data from described power system routing node；Described power system routing node is arranged on power supply administration's electric power
In system data platform, and it is connected with distribution main station system, for forwarding from distribution main station system to GPRS routing node
Director data, or forward the power information data from GPRS routing node to distribution main station system；Described APN special line is used for passing
The power information data that defeated GPRS routing node forwards to power system routing node, or transmission power system routing node to
The director data that GPRS routing node forwards；Described APN special line fire wall is for pacifying the data of transmission on APN special line
Full protection, IP address and ports filter.
The communication network of the present invention includes GPRS routing node, power system routing node, is arranged on GPRS routing node
And APN special line between power system routing node and the APN special line fire wall that is arranged on APN special line, ensureing data
Between acquisition terminal and distribution main station system data safety and accurately on the premise of, be substantially reduced power distribution automation main station system with
Communications cost between data collection station, is conducive to realizing power distribution automation in wide scope.The present invention is by communication
In network arrange be exclusively used in transmission electric power system data APN transmission network, utilize this APN transmission network transmission distribution terminal with
Communication data between main station system, thus both met and communicated between data collection station with power distribution automation main station system
Need, meet again the power system security protection requirement about communication, on the premise of guaranteeing data security and be accurate, significantly
Reduce communications cost, be conducive in wide scope, realize power distribution automation.
As it is shown in fig. 7, described data collection station also includes software channel module, described software channel module includes descending
Link passage, uplink passage, cache module, protocol stack module, correction verification module, logging modle, re-transmission trigger module, described
Downlink passage is for being connected with distribution terminal foundation lower；Described uplink passage on according to configuration with multiple
Data acquisition channel is set up and is connected, when data acquisition channel and distribution terminal carry out passage switching, downlink passage with join
Electric terminals keeps connecting；When described cache module is used for caching passage switching, former data acquisition channel needs to be issued to distribution terminal
Data, through passage switched data transmission after, then by data cached by switching after data acquisition channel be issued to
Distribution terminal；Described protocol stack module is in order to store communication protocol；Described correction verification module is for receiving when software channel module
The data sent on distribution terminal or receive when data acquisition channel is issued to the data of distribution terminal according to communication protocol logarithm
According to effectiveness verify；Described logging modle is used for real time record downlink passage and the data of uplink passage
Amount, when software channel module is with distribution terminal, data acquisition channel transmission data, uses forwarding to confirm Retransmission timeout mechanism,
If software channel module does not receive confirmation message in the stipulated time, software channel module transmits data the most again；Described heavy
Pass trigger module for not receiving in the stipulated time when software channel module is with distribution terminal, data acquisition channel transmission data
To confirming message, then use and forward confirmation Retransmission timeout mechanism to carry out automatically again transmitting data.When software channel module receives
During the data sent on distribution terminal, these data are after inspection, according to the connection of software channel module Yu data acquisition channel, this
Data can be by many parts of software channel module forwards to each data acquisition channel；Lead to when software channel module receives data acquisition
When road is issued to the data of distribution terminal, these data are after verification, and only portion is issued to joining of correspondence by software channel module
Electric terminals.
The present invention is by introducing software channel module, described software channel mould between distribution terminal and data acquisition channel
Lower set up with distribution terminal is connected by block by downlink passage, by uplink passage on according to configuration realization and many
Individual data acquisition channel is set up and is connected, when data acquisition channel and distribution terminal carry out passage switching, software channel module with
Distribution terminal keeps connecting, and when caching passage switching, former data acquisition channel needs to be issued to the data of distribution terminal, at warp
After passage has switched data transmission, then it is issued to distribution terminal by data cached.When software channel module receives distribution eventually
During the data sent on end, the effectiveness of data is verified by software channel module according to communication protocol, and by the number after verification
According to being forwarded to data acquisition channel, when software channel module receives the data that data acquisition channel is issued to distribution terminal,
Software channel module is issued to distribution terminal according to communication protocol to after data validity check.Software channel module real time record
Its Data entries and the data volume of data outlet, when software channel module is with distribution terminal, data acquisition channel transmission data,
Use to forward and confirm Retransmission timeout mechanism, if software channel module does not receive confirmation message, software channel mould in the stipulated time
Block transmits data the most again.The present invention achieves the number of distribution terminal and data acquisition unit by using software channel module
According to the multiple communication between acquisition channel, when passage switches, do not turn off connection, it is to avoid loss of data, reduce cost simultaneously.
The above is the preferred embodiment of the present invention, for those skilled in the art,
Without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications are also regarded as this
Bright protection domain.
Claims (10)
1. it is easy to the data acquisition unit safeguarded, including data collection station, described data collection station and distribution terminal
Being connected, in gathering distribution terminal, the power information of electrical network primary equipment, passes through communication network by the power information collected
It is sent to distribution main station system or the distribution main station system director data that received by communication network is sent to distribution eventually
End；It is characterized in that,
Described data collection station includes microprocessor, data acquisition channel, the first wireless communication module, the second radio communication mold
Block, communication handover module, memory element and power module, described microprocessor passes through data acquisition channel and distribution terminal phase
Even, microprocessor is connected with the first wireless communication module and the second wireless communication module by RS-232 interface respectively, the first nothing
Line communication module is connected with distribution main station system by communication network with the second wireless communication module, described memory element and Wei Chu
Reason device is connected, and described power module is connected with microprocessor, the first wireless communication module and the second wireless communication module respectively；
Described communication handover module include the first signal acquisition circuit, secondary signal Acquisition Circuit, single-chip microcomputer, the first relay and
Second relay, described first signal acquisition circuit is arranged on the communication line between the first wireless communication module and microprocessor
In, described secondary signal Acquisition Circuit is put in the communication line between the second wireless communication module and microprocessor, described
First signal acquisition circuit is connected with the input of single-chip microcomputer respectively with the outfan of secondary signal Acquisition Circuit, described single-chip microcomputer
Outfan be connected with the absorption coil of the first relay and the second relay respectively, the normally-closed contact of described first relay sets
Putting in the current supply circuit between the first wireless communication module and power module, the normally opened contact of described second relay is arranged on
In current supply circuit between second wireless communication module and power module；
Described power module includes alternating current input block, DC supply input unit, Switching Power Supply, switching switch and DC voltage
Changer, described alternating current input block is connected with the input of Switching Power Supply, and the outfan of described Switching Power Supply is by switching
Switch is connected with the input of DC voltage converter, and described DC supply input unit is switched by switching and DC voltage conversion
The input of device connects, the outfan of described DC voltage converter respectively with microprocessor, the first wireless communication module and the
Two wireless communication modules are connected.
A kind of data acquisition unit being easy to safeguard the most according to claim 1, is characterized in that, the output of described single-chip microcomputer
End is connected with the absorption coil of the first relay and the second relay respectively by optical coupling isolation circuit, and described single-chip microcomputer is also connected with
There are crystal oscillating circuit and deferred action switch.
A kind of data acquisition unit being easy to safeguard the most according to claim 1, is characterized in that, described first signals collecting
Circuit includes that a RS-232 turns Transistor-Transistor Logic level transducer, and a described RS-232 turns the input and first of Transistor-Transistor Logic level transducer
Wireless communication module connects to the downstream signal line of microprocessor, and outfan is connected with the input of microprocessor；Described second
Signal acquisition circuit includes that the 2nd RS-232 turns Transistor-Transistor Logic level transducer, and described 2nd RS-232 turns the input of Transistor-Transistor Logic level transducer
End is connected with the downstream signal line of the second wireless communication module to microprocessor, and outfan is connected with the input of microprocessor.
A kind of data acquisition unit being easy to safeguard the most according to claim 1, is characterized in that, described power module also wraps
Including the first isolation circuit and the second isolation circuit, described first isolation circuit is arranged on outfan and the switching switch of Switching Power Supply
Between circuit in, described second isolation circuit is arranged on DC supply input unit and switching switch between circuit in.
A kind of data acquisition unit being easy to safeguard the most according to claim 4, is characterized in that, described switching switch includes
3rd relay, the outfan of described Switching Power Supply by the first isolation circuit respectively with the sucking coil of the 3rd relay and the
The inlet wire side of three relay normally open contacts connects, and described DC supply input unit is normal by the second isolation circuit and the 3rd relay
The inlet wire side of closed contact connects, the normally opened contact of described 3rd relay and the outgoing line side of normally-closed contact with after being in parallel with direct current
The input of voltage changer connects.
A kind of data acquisition unit being easy to safeguard the most according to claim 4, is characterized in that, described switching switch includes
Single-pole double-throw switch (SPDT), moved end is not even by one of the first isolation circuit and single-pole double-throw switch (SPDT) for the outfan of described Switching Power Supply
Connecing, described DC supply input unit is not connected moved end by another of the second isolation circuit and single-pole double-throw switch (SPDT), described list
The moved end of double-pole double throw switch is connected with the input of DC voltage converter.
A kind of data acquisition unit being easy to safeguard the most according to claim 1, is characterized in that, described DC voltage conversion
Utensil has the outfan of different output voltage.
A kind of data acquisition unit being easy to safeguard the most according to claim 1, is characterized in that: described first radio communication
Module and the second wireless communication module all use GPRS wireless communication module.
A kind of data acquisition unit being easy to safeguard the most according to claim 8, is characterized in that, described communication network includes
GPRS routing node, power system routing node, the APN that is arranged between GPRS routing node and power system routing node are special
Line and the APN special line fire wall being arranged on APN special line, in described GPRS routing node is arranged on communication network and with logical
GGSN in communication network sets up communication connection by gre tunneling, for forwarding from data acquisition to power system routing node
The power information data of terminal, or forward the director data from described power system routing node to data collection station；Institute
State power system routing node be arranged in power supply administration's electric power system data platform and be connected with distribution main station system, be used for
GPRS routing node forwards the director data from distribution main station system, or forwards from GPRS route joint to distribution main station system
The power information data of point；Described APN special line is for transmitting the electric power that GPRS routing node forwards to power system routing node
Information data, or the director data that transmission power system routing node forwards to GPRS routing node；Described APN special line is prevented fires
Wall is for carrying out security protection, IP address and ports filter to the data of transmission on APN special line.
10., according to a kind of data acquisition unit being easy to safeguard described in claim 1 to 9 any one, it is characterized in that, described
Data collection station also include software channel module, described software channel module include downlink passage, uplink passage,
Cache module, protocol stack module, correction verification module, logging modle, re-transmission trigger module, described downlink passage for lower with
Distribution terminal is set up and is connected；Described uplink passage on according to configuration with multiple data acquisition channels foundation be connected,
When data acquisition channel and distribution terminal carry out passage switching, downlink passage keeps being connected with distribution terminal；Described slow
When storing module is for caching passage switching, former data acquisition channel needs to be issued to the data of distribution terminal, is switching through passage
After becoming data transmission, then it is issued to distribution terminal by data cached by the data acquisition channel after switching；Described protocol stack mould
Block is in order to store communication protocol；Described correction verification module is for when software channel module receives the data sent on distribution terminal or connects
Receive data acquisition channel to be issued to during the data of distribution terminal according to communication protocol, the effectiveness of data be verified；Described
Logging modle is used for real time record downlink passage and the data volume of uplink passage, in software channel module with distribution eventually
During end, data acquisition channel transmission data, use and forward confirmation Retransmission timeout mechanism, if software channel module did not had in the stipulated time
Receiving confirmation message, software channel module transmits data the most again；Described re-transmission trigger module is at software channel mould
Do not receive confirmation message in the stipulated time when block and distribution terminal, data acquisition channel transmission data, then use and forward confirmation
Retransmission timeout mechanism carries out automatically again transmitting data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610715753.XA CN106128088A (en) | 2016-08-24 | 2016-08-24 | A kind of data acquisition unit being easy to safeguard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610715753.XA CN106128088A (en) | 2016-08-24 | 2016-08-24 | A kind of data acquisition unit being easy to safeguard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106128088A true CN106128088A (en) | 2016-11-16 |
Family
ID=57273874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610715753.XA Pending CN106128088A (en) | 2016-08-24 | 2016-08-24 | A kind of data acquisition unit being easy to safeguard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106128088A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655504A (en) * | 2016-11-29 | 2017-05-10 | 国网河南省电力公司安阳供电公司 | Safe and reliable data acquisition system |
| CN107331185A (en) * | 2017-08-16 | 2017-11-07 | 青岛海信网络科技股份有限公司 | A kind of abnormal state processing method, main frame and the slave of traffic lights machine |
| CN108803489A (en) * | 2018-09-12 | 2018-11-13 | 李诗万 | The numerically controlled machine remote control method and system of flexibility enhancing |
| CN108923543A (en) * | 2018-09-26 | 2018-11-30 | 南京新联能源技术有限责任公司 | Distributed power automated station institute terminal D TU based on Radio Transmission Technology |
| CN109285337A (en) * | 2018-11-15 | 2019-01-29 | 深圳市亮而彩科技有限公司 | A kind of wireless control module applied to cloud system |
| US10823853B2 (en) | 2018-09-28 | 2020-11-03 | Suteng Innovation Technology Co., Ltd. | Range-finding system and method for data communication within the same |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951027A (en) * | 2010-09-01 | 2011-01-19 | 中国电力科学研究院 | Uniform data acquisition and monitoring system of low-medium voltage power distribution network |
| CN102185382A (en) * | 2011-05-16 | 2011-09-14 | 广东电网公司深圳供电局 | System and method for data communication between power distribution master station system and power distribution terminal |
| CN202333989U (en) * | 2011-11-18 | 2012-07-11 | 重庆嘉瑞电气科技有限公司 | Concentrated monitoring and managing system of power distribution terminals |
| CN202720296U (en) * | 2012-08-29 | 2013-02-06 | 广西电网公司电力科学研究院 | Platform for detecting function and performance of power distribution automatic terminal apparatus |
| CN103001325A (en) * | 2012-09-29 | 2013-03-27 | 北京康力昆泰电力技术有限公司 | Intelligent network distribution system based on Beidou satellite communication system |
| CN202887433U (en) * | 2012-11-20 | 2013-04-17 | 山东电力集团公司 | Serial port communication module state monitoring device |
| CN103384091A (en) * | 2013-07-10 | 2013-11-06 | 珠海许继芝电网自动化有限公司 | Method for communication between power distribution terminals and data acquisition channels |
| CN104143221A (en) * | 2013-11-15 | 2014-11-12 | 国家电网公司 | Novel power equipment inspection tour handheld terminal |
| CN105227676A (en) * | 2015-10-20 | 2016-01-06 | 珠海许继芝电网自动化有限公司 | A kind of method of distribution terminal data acquisition |
| CN105871059A (en) * | 2016-03-28 | 2016-08-17 | 国网山东省电力公司平阴县供电公司 | 10kV line operating state online monitoring system |
-
2016
- 2016-08-24 CN CN201610715753.XA patent/CN106128088A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951027A (en) * | 2010-09-01 | 2011-01-19 | 中国电力科学研究院 | Uniform data acquisition and monitoring system of low-medium voltage power distribution network |
| CN102185382A (en) * | 2011-05-16 | 2011-09-14 | 广东电网公司深圳供电局 | System and method for data communication between power distribution master station system and power distribution terminal |
| CN202333989U (en) * | 2011-11-18 | 2012-07-11 | 重庆嘉瑞电气科技有限公司 | Concentrated monitoring and managing system of power distribution terminals |
| CN202720296U (en) * | 2012-08-29 | 2013-02-06 | 广西电网公司电力科学研究院 | Platform for detecting function and performance of power distribution automatic terminal apparatus |
| CN103001325A (en) * | 2012-09-29 | 2013-03-27 | 北京康力昆泰电力技术有限公司 | Intelligent network distribution system based on Beidou satellite communication system |
| CN202887433U (en) * | 2012-11-20 | 2013-04-17 | 山东电力集团公司 | Serial port communication module state monitoring device |
| CN103384091A (en) * | 2013-07-10 | 2013-11-06 | 珠海许继芝电网自动化有限公司 | Method for communication between power distribution terminals and data acquisition channels |
| CN104143221A (en) * | 2013-11-15 | 2014-11-12 | 国家电网公司 | Novel power equipment inspection tour handheld terminal |
| CN105227676A (en) * | 2015-10-20 | 2016-01-06 | 珠海许继芝电网自动化有限公司 | A kind of method of distribution terminal data acquisition |
| CN105871059A (en) * | 2016-03-28 | 2016-08-17 | 国网山东省电力公司平阴县供电公司 | 10kV line operating state online monitoring system |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655504A (en) * | 2016-11-29 | 2017-05-10 | 国网河南省电力公司安阳供电公司 | Safe and reliable data acquisition system |
| CN107331185A (en) * | 2017-08-16 | 2017-11-07 | 青岛海信网络科技股份有限公司 | A kind of abnormal state processing method, main frame and the slave of traffic lights machine |
| CN107331185B (en) * | 2017-08-16 | 2019-12-06 | 青岛海信网络科技股份有限公司 | Abnormal state processing method of traffic signal lamp machine, host and slave |
| CN108803489A (en) * | 2018-09-12 | 2018-11-13 | 李诗万 | The numerically controlled machine remote control method and system of flexibility enhancing |
| CN108923543A (en) * | 2018-09-26 | 2018-11-30 | 南京新联能源技术有限责任公司 | Distributed power automated station institute terminal D TU based on Radio Transmission Technology |
| US10823853B2 (en) | 2018-09-28 | 2020-11-03 | Suteng Innovation Technology Co., Ltd. | Range-finding system and method for data communication within the same |
| US11550055B2 (en) | 2018-09-28 | 2023-01-10 | Suteng Innovation Technology Co., Ltd. | Range-finding system and method for data communication within the same |
| CN109285337A (en) * | 2018-11-15 | 2019-01-29 | 深圳市亮而彩科技有限公司 | A kind of wireless control module applied to cloud system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106128088A (en) | A kind of data acquisition unit being easy to safeguard | |
| CN106655504A (en) | Safe and reliable data acquisition system | |
| CN106100130B (en) | A kind of guard method of urban track traffic DC power-supply system | |
| CN205959385U (en) | Multimode communication module and corresponding power line carrier system of checking meter | |
| CN104734352B (en) | A kind of distribution line Loop Closing Operation control method | |
| CN103872760B (en) | Automatic power supply switching control device of transformer | |
| CN101905700A (en) | Computer interlocking system and working method thereof | |
| CN104796329A (en) | Automatic link switching method and automatic link switching device | |
| CN204068430U (en) | A kind of intelligence longitudinally interconnected feeder automation control system | |
| CN105720602A (en) | Photovoltaic grid-connected power generating energy storage inverter grid-connected-off-grid system and operation device thereof | |
| CN202617154U (en) | Train communication system | |
| CN203466841U (en) | Automatic switching device for monitoring of data network link | |
| CN203479951U (en) | Channel switching testing device | |
| CN203896048U (en) | Ground fault detection system for power distribution networks | |
| CN114513459A (en) | Dual-mode communication system and method | |
| CN203632361U (en) | Logic controlling device for 110kV line automatic bus transfer equipment | |
| CN105510676A (en) | Small-current signal monitoring device for high-voltage switchgear | |
| CN101604872B (en) | Power real-time data acquisition system based on multi-machine balanced synchronous on-line mode | |
| CN105006881A (en) | Automatic put and automatic recovery control system | |
| CN205375083U (en) | Contact net isolator telemechanical monitor terminal | |
| CN104009547B (en) | Breaker remote operation function monitoring arrangement and transformer station's remote operation system | |
| CN205123764U (en) | Possess optoelectronic isolation and prevent that RS485 communication bus from accounting for electric power instrument of dead trouble function | |
| CN204886396U (en) | Haul oneself willingly into runback control system | |
| CN205160209U (en) | Intelligent substation process bed set net | |
| CN206096858U (en) | Intelligence airing machine's remote control and monitored control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161116 |