CN106788737A - Collecting fiber unit and ammeter data acquisition method - Google Patents
Collecting fiber unit and ammeter data acquisition method Download PDFInfo
- Publication number
- CN106788737A CN106788737A CN201611246886.3A CN201611246886A CN106788737A CN 106788737 A CN106788737 A CN 106788737A CN 201611246886 A CN201611246886 A CN 201611246886A CN 106788737 A CN106788737 A CN 106788737A
- Authority
- CN
- China
- Prior art keywords
- micro
- control unit
- collecting fiber
- fiber unit
- ammeter
- 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
- 239000000835 fiber Substances 0.000 title claims abstract description 128
- 238000000034 method Methods 0.000 title claims description 10
- 230000003287 optical effect Effects 0.000 claims abstract description 55
- 230000006854 communication Effects 0.000 claims abstract description 45
- 238000004891 communication Methods 0.000 claims abstract description 43
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 230000001681 protective effect Effects 0.000 claims description 18
- 238000002955 isolation Methods 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 20
- 230000009466 transformation Effects 0.000 abstract description 10
- 238000012546 transfer Methods 0.000 abstract description 7
- 238000011144 upstream manufacturing Methods 0.000 abstract description 5
- 238000013480 data collection Methods 0.000 abstract description 4
- 230000002452 interceptive effect Effects 0.000 abstract description 4
- CVOFKRWYWCSDMA-UHFFFAOYSA-N 2-chloro-n-(2,6-diethylphenyl)-n-(methoxymethyl)acetamide;2,6-dinitro-n,n-dipropyl-4-(trifluoromethyl)aniline Chemical compound CCC1=CC=CC(CC)=C1N(COC)C(=O)CCl.CCCN(CCC)C1=C([N+]([O-])=O)C=C(C(F)(F)F)C=C1[N+]([O-])=O CVOFKRWYWCSDMA-UHFFFAOYSA-N 0.000 abstract description 3
- 239000013307 optical fiber Substances 0.000 description 16
- 230000008054 signal transmission Effects 0.000 description 14
- 230000006855 networking Effects 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000007726 management method Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000002547 anomalous effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000013439 planning Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012384 transportation and delivery Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/06—Non-electrical signal transmission systems, e.g. optical systems through light guides, e.g. optical fibres
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a kind of collecting fiber unit, belong to electricity consumption data collecting unit technical field.The collecting fiber unit includes micro-control unit, at least 2 road RS485 circuits, optical communication circuit, storage chip and power module.The collecting fiber unit that the present invention is provided, go upward to transmission means of the main website using high speed fibre, mass data transfers can be carried and cause that communication link is more stablized, come downwards to ammeter and RS485 buses are increased into multichannel, all can non-interfering independent parallel operation per road 485 bus, the transformation of upstream and downstream transmission channel causes that the ability of electricity consumption data collection is substantially improved, and can fully meet current power data acquisition frequent and high-precision needs.
Description
Technical field
The present invention relates to a kind of electricity consumption data collecting unit, especially a kind of collecting fiber unit.
Background technology
Power information acquisition system has great significance to electric power enterprise operation and asset management, with acquisition range
Extensively, quantity it is many, it is ageing strong the features such as, the basic demand such as real-time, stable, efficient, reliable should be met.And electricity consumption traditional at present
Information acquisition system carries out ammeter data collection using collector and concentrator：Collector uses single channel RS485 and number in electricity box
Ten ammeter connections, the data of copy reading are sent to concentrator by power carrier, then data are passed through into 2G/3G/ by concentrator
4G/ wired mode is back to acquisition system main website.The automatic arbitration of bus can not be done due to RS485 buses, that is, not
Data can simultaneously be sent to avoid bus contention, the communication efficiency of single RS485 is inevitable low；Meanwhile, power carrier also has
The defect such as transmission rate is low, be easily disturbed, which results in electricity consumption acquisition system data transfer real-time and reliability it is poor,
The low present situation of data acquisition efficiency, has seriously constrained the application and development of low-voltage power data acquisition.
Current intelligent electric meter is set with powering enterprises as principal components, and its function does not all account for the experience of electricity consumption user
And demand；Due to being limited and safety precautions and a series of objective factors influences such as anti-electricity-theft by infield position, use
Inquiry and operation of the family to intelligent electric meter all seem extremely inconvenient, and directly intelligent electric meter can be looked into user's indoor installation
Ask and the wisdom electric energy terminal of operation significantly improves this present situation.Obviously, using current existing power circuit, by electric power
Carrier-wave transmission intelligent electric meter data indoor best solution for being to balance cost input and practical function to user, but with electricity
Table inquires about the increase with operation equipment, if communication is arbitrarily initiated on wisdom electric energy terminal disorder ground of leaving, what power carrier conflicted can
Energy property will constantly increase, and the efficiency of data transfer will be reduced constantly, and Consumer's Experience also will cause this solution worse and worse
Good promotion and application cannot be obtained.
As socio-economic development increasingly strengthens the degree of dependence of electric energy, society need more high-quality, it is safe and stable,
Reliable, economic electric energy, planning construction, operation management and marketing service to electric power enterprise propose requirement higher, and this is just
So that for the data supporting that electric power enterprise provides analysis decision becomes important all the more.For the thin of traditional power information acquisition system
Weak link, by present information, communication and control technology actively develop low pressure electricity consumption data acquisition system, realize magnanimity, in real time,
Stable, efficient, reliable low-voltage power data acquisition, it has also become power industry responds actively the common choice of Challenges for Future.
The content of the invention
In order to solve the above-mentioned technical problem, a kind of collecting fiber unit provided by the present invention, goes upward to main website using high
The transmission means of fast optical fiber, comes downwards to ammeter and RS485 buses is increased into multichannel, all can non-interfering independent parallel per road 485
Operation, the transformation of upstream and downstream transmission channel causes that the ability of data acquisition is substantially improved.
The technical solution adopted for the present invention to solve the technical problems is：A kind of collecting fiber unit, including：
Micro-control unit, for operation program instruction, control miscellaneous part work；
At least 2 road RS485 circuits, are connected, with the micro-control unit for micro-control unit to be passed respectively per road RS485 circuits
Defeated data, are converted into the RS485 signals of standard, recognize ammeter and receive, while the standard RS485 signals that ammeter is returned,
It is converted into the packet that micro-control unit can be recognized；
Optical communication circuit, is connected with the micro-control unit, for setting up logical between micro-control unit and outside fiber plant
News hardware link, micro-control unit can mutually be communicated with external network；
Storage chip, is connected with the micro-control unit, for storing the ammeter connected on collecting fiber unit R S485 ports
Number, device parameter and logout；
Power module, is connected with the micro-control unit, for being powered to the collecting fiber unit.
More excellent, it is described to include RS485 communication chips and isolation protective circuit per road RS485 circuits.
More excellent, the isolation protective circuit includes opto-coupler chip.
More excellent, the optical communication circuit includes optic communication chip and optical module.
More excellent, the collecting fiber unit also includes：
Network port circuit, is connected with the micro-control unit, for setting up communication between micro-control unit and outside network port device
Hardware link, micro-control unit can mutually be communicated with external network；
Infrared receiving/transmission circuit, is connected with the micro-control unit, for the data conversion of transmitting micro-control unit into standard
Infrared signal, recognizes write by hand device and receives；Write by hand device is returned standard IR optical signal simultaneously, is converted into micro-control unit
The packet that can be recognized；
Indicator light circuit, is connected with the micro-control unit, the working condition for showing the collecting fiber unit in real time；
Clock chip, is connected, for timing with the micro-control unit.
More excellent, the collecting fiber unit also includes carrier module, and the carrier module is connected with the micro-control unit,
Data for micro-control unit to be transmitted are converted to the carrier signal of standard, receive wisdom electric energy terminal recognition；Simultaneously will
The standard carrier signal that wisdom electric energy terminal is returned, is converted into the packet that micro-control unit can be recognized；
The power module is also connected with carrier module, for being powered to carrier module.
More excellent, the power module includes EMC protection circuits.
More excellent, the A phase, B phase, C phase that the EMC protection circuits are included in the input circuit of power supply is respectively gone here and there respectively with N phases
1 inductance of connection；Between the A phases and N phases of the power supply, between B phases and N phases, each 1 Y electricity in parallel respectively between C phases and N phases
Hold；A phases, B phases and C phases in the power supply are respectively respectively connected to 1 diode and 1 piezo-resistance.
Present invention also offers a kind of ammeter data acquisition method according to above-mentioned collecting fiber unit, including：
（1）Optical communication circuit receives the meter reading instruction that issues of main website and is transferred to micro-control unit；
（2）Micro-control unit parsing meter reading instruction determines corresponding 485 port；
（3）Micro-control unit order sends the order of checking meter with table number to each 485 port；
（4）Each 485 port of micro-control unit taking turn, intercepts ammeter returned data；
（5）Micro-control unit receives ammeter returned data, and main website is returned by optical communication circuit.
More excellent, the optical communication circuit replaces with network port circuit.
The beneficial effects of the invention are as follows：
1st, the collecting fiber unit that the present invention is provided, goes upward to transmission means of the main website using high speed fibre, can carry magnanimity number
According to transmitting and causing that communication link is more stablized, come downwards to ammeter and RS485 buses are increased into multichannel, all can be mutual per the bus of road 485
Independent parallel is not disturbed to run, the transformation of upstream and downstream transmission channel causes that the ability of data acquisition is substantially improved, and can expire completely
Sufficient current power data acquisition frequent and high-precision needs.
2nd, between RS485 communication chips and micro-control unit, insulation blocking is done using opto-coupler chip, is protected by Phototube Coupling
Protection circuit, comes micro control unit circuit system and RS485 peripheral circuit systems are electrically completely isolated, substantially increases micro-control
The noiseproof feature of element circuit system processed, so as to improve the reliability of circuit system, on the other hand, electrical isolation system can be with
Prevent common-mode voltage from forming current loop, so as to prevent circuit system accidental damage.
3rd, due to there is power carrier before power supply, thus can not directly differential mode capacitor in parallel and common mode capacitance as protection,
Power carrier signal can be otherwise absorbed, causes power carrier signal to decay.Therefore four have been sealed in first in power input circuit
Inductance, is respectively connected to ABC three-phases and N phases, then respectively between phase and N and connects Y capacitance in ABC again, carries out three relative zero line common modes
In filtering, then rectification is carried out by three diode pair three-phase alternating currents, and power supply after rectification and connect a piezo-resistance.
When causing supply voltage to raise extremely and reaching the operation voltage of piezo-resistance due to lightning surge electric current on power network, pressure-sensitive electricity
Resistance conducting, so as to absorb surge energy.In three-phase phase line, except tandem electric inductance, resistance is also concatenated, due to whole electromechanical source work(
Consume relatively low (2W), therefore mains input current is smaller, the resistance of concatenation and the D.C. resistance of inductance do not result in any influence.But
Due to the presence of rear end rectifying and wave-filtering electric capacity, by RC series circuits, so that electric capacity both end voltage can not be mutated, therefore work as
When lightning surge electric current occurs, Switching Power Supply input voltage can also keep relatively more steady, so as to improve power-supply system reliability.
4th, by carrier module, the collecting fiber unit can be by power carrier automatic detection and the indoor intelligence of management user
Intelligent electric energy terminal, and establish the mechanism that terminal data sends and receives, it is to avoid terminal disorder sends data so as to disturb electric power
Circuit, causes the phenomenon of wave carrier conflict to occur.By infrared receiving/transmission circuit, intercommunication can be carried out with outside infrared equipment, met
The demand that write by hand device is checked meter.By network port circuit, intercommunication can be carried out with external network, meet equipment and set and digital independent
Demand.
Brief description of the drawings
Fig. 1 is the collecting fiber cellular construction schematic diagram of the embodiment of the present invention 1；
Fig. 2 is the RS485 circuit figures of the collecting fiber unit of the embodiment of the present invention 1；
Fig. 3 is the optical communication circuit and network port circuit circuit diagram of the collecting fiber unit of the embodiment of the present invention 1；
Fig. 4 is the collecting fiber cellular construction schematic diagram of the embodiment of the present invention 2；
Fig. 5 is the power module EMC protection circuit circuit diagrams of the collecting fiber unit of the embodiment of the present invention 2；
Fig. 6 is the ammeter data acquisition method flow chart of the collecting fiber unit of the embodiment of the present invention 2；
Fig. 7 is the collecting fiber unit of the embodiment of the present invention 2 and main website network connection state overhaul flow chart；
Fig. 8 is the wisdom electric energy endpoint registration of the embodiment of the present invention 2 to collecting fiber unit flow chart；
Fig. 9 is the structural representation of the power information acquisition system of the embodiment of the present invention 2；
Figure 10 is that the power information acquisition system main website of the embodiment of the present invention 2 receives the login of collecting fiber unit and flow is monitored in heartbeat
Figure；
Figure 11 is that the power information acquisition system main website of the embodiment of the present invention 2 checks meter flow chart；
Figure 12 is the power information acquisition system wisdom electric energy terminal inquiry ammeter data flow chart of the embodiment of the present invention 2.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples.
Embodiment 1：
As shown in figure 1, the invention provides a kind of collecting fiber unit, including：
MCU, for operation program instruction, control miscellaneous part work.
5 road RS485 circuits, are connected with MCU respectively per road RS485 circuits, for the data for transmitting MCU, are converted into mark
Accurate RS485 signals, recognize ammeter and receive；Ammeter is returned standard RS485 signals simultaneously, are converted into micro-control unit energy
The packet of identification.
As shown in Fig. 2 including RS485 communication chips and isolation protective circuit per road RS485 circuits.RS485 chips and MCU
Between, insulation blocking is done using opto-coupler chip, by photoelectric isolating circuit, by processor circuitry and RS485 peripheral circuits
System electrical is completely isolated to come, and substantially increases the noiseproof feature of processor system, so as to improve the reliability of circuit system
Property, on the other hand, electrical isolation system can prevent common-mode voltage from forming current loop, so as to prevent circuit system from surprisingly damaging
It is bad.
Optical communication circuit, as shown in figure 3, be connected with MCU, it is hard for setting up communication between MCU and outside fiber plant
Part link, MCU can mutually be communicated with external network.Optical communication circuit includes optic communication chip and optical module.
Storage chip, is connected with MCU, for storing the ammeter number, the equipment that are connected on collecting fiber unit R S485 ports
Parameter and logout etc..
Power module, is connected with MCU, for being powered to the collecting fiber unit.
Network port circuit, as shown in figure 3, be connected with MCU, for setting up communication hardware between MCU and outside network port device
Link, MCU can mutually be communicated with external network, meets the demand of equipment setting and digital independent.
Infrared receiving/transmission circuit, is connected with MCU, for the data conversion of transmitting MCU into standard infrared signal, so as to
The identification of write by hand device is received；Write by hand device is returned standard IR optical signal simultaneously, is converted into the packet that MCU can be recognized.
Indicator light circuit, is connected with MCU, the working condition for showing the collecting fiber unit in real time.
Clock chip, is connected with MCU, for timing.
The collecting fiber unit, goes upward to transmission means of the main website using high speed fibre, can carry mass data transfers simultaneously
So that communication link is more stablized, come downwards to ammeter and RS485 buses are increased into 5 tunnels, all can be non-interfering only per the bus of road 485
Vertical parallel running, the transformation of upstream and downstream transmission channel causes that the ability of electricity consumption data collection is substantially improved, and can fully meet and work as
Preceding electric power data acquisition frequent and high-precision needs.
Embodiment 2：
Present invention also offers a kind of more excellent collecting fiber unit, as shown in figure 4, in the optical fiber shown in the Fig. 1 of above-described embodiment 1
On the basis of collecting unit, also include：
Carrier module, carrier module is connected with MCU, and the data for MCU to be transmitted are converted to the carrier signal of standard, make wisdom
Electric energy terminal recognition is received；Wisdom electric energy terminal is returned standard carrier signal simultaneously, is converted into the data that MCU can be recognized
Bag.
Power module, is also connected with carrier module, for being powered to carrier module.Power module include AC-DC units and
Input AC 220V changes are pressed onto direct current 5V outputs by DC-DC units, AC-DC module, are that carrier module and collecting fiber unit are supplied
Direct current 5V is boosted to 12V outputs by electricity, DC-DC module, is used for carrier module.
As shown in figure 5, power module also includes EMC protection circuits, EMC protection circuits are included in the input circuit of power supply
A phase, B phase, C phase 1 inductance of connecting respectively each with N phases；Between power supply A phases and N phases, between B phases and N phases, C phases and N phases it
Between each respectively and connect 1 Y capacitance；1 diode and 1 piezo-resistance are respectively respectively connected in A phases, B phases and C phases.Due to power supply
Above there is power carrier, therefore directly differential mode capacitor in parallel and common mode capacitance can not be used to protect, can otherwise absorb power carrier
Signal, causes power carrier signal to decay.Therefore four inductance have been sealed in first in power input circuit, be respectively connected to ABC tri-
Phase and N phases, then carry out three relative zero line common mode filterings in each mutually access Y capacitances in parallel and N phases between of ABC again, then by three
Individual diode pair three-phase alternating current carries out rectification, and accesses a piezo-resistance in power supply after rectification.When on power network due to
When lightning surge electric current causes supply voltage to raise extremely and reaches the operation voltage of piezo-resistance, piezo-resistance conducting, so that
Absorb surge energy.In three-phase phase line, except tandem electric inductance, resistance is also concatenated, because whole electromechanical source power consumption is relatively low (2W),
Therefore mains input current is smaller, and what influence the resistance of concatenation and the D.C. resistance of inductance do not result in.But because rear end is whole
The presence of filter capacitor is flowed, by RC series circuits, so that electric capacity both end voltage can not be mutated, therefore when lightning surge electricity
When stream occurs, Switching Power Supply input voltage can also keep relatively more steady, so as to improve power-supply system reliability.
Collecting fiber unit of the invention instead of the operational mode of traditional concentrator+collector.The collecting fiber list
Unit is equipped with optical fiber, Ethernet, carrier module, infrared communication and multichannel RS485 interfaces, and each interface independent parallel operation passes through
MCU co-ordinations.Transmission means of the main website using high speed fibre/Ethernet is gone upward to, mass data transfers can be carried and made
Communication link more stablize, come downwards to ammeter and RS485 buses increased into multichannel, per road 485 all can non-interfering independence simultaneously
Row operation, the transformation of upstream and downstream transmission channel causes that the ability of electricity consumption data collection is substantially improved, and can fully meet current electricity
Force data gathers frequent and high-precision needs；Meanwhile, the collecting fiber unit can be by power carrier automatic detection and pipe
The indoor wisdom electric energy terminal of reason user, and establish the mechanism that terminal data sends and receives, it is to avoid terminal disorder sends number
According to interference power circuit, the phenomenon of wave carrier conflict is caused to occur；Infrared receiving/transmission circuit is mainly used in device parameter and reads and write.
Collecting fiber unit of the invention in addition to possessing high-speed data acquisition and transmission characteristic, be also equipped with data relay and
Function of exchange, makes data transfer to be carried out between main website, ammeter and indoor wisdom electric energy terminal, such as main website and ammeter, main
Stand and terminal, ammeter and terminal.
Present invention also offers a kind of electricity consumption data acquisition method according to above-mentioned collecting fiber unit, as shown in fig. 6, bag
Include：
（1）Optical communication circuit/network port circuit receives the meter reading instruction that main website issues and is transferred to micro-control unit；
（2）Micro-control unit parsing meter reading instruction determines corresponding 485 port；
（3）Micro-control unit order sends the order of checking meter with table number to each 485 port；
（4）Each 485 port of micro-control unit taking turn, intercepts ammeter returned data；
（5）Micro-control unit receives ammeter returned data, and main website is returned by optical communication circuit/network port circuit.
The operation principle of collecting fiber unit of the invention：
1st, collecting fiber unit is linked by optical port/network interface with debugging software, and realization checks its running status and sets work ginseng
Number.
Debugging software is run on PC, TCP serve ports, waiting facilities connection are set up after running software.Collecting fiber list
In unit after electricity, MCU operations, by its SPI interface, by 33 Europe protective resistances（R75-R78）, piece is selected, clock, data input
And data output, reset signal is transferred to network chip（U4）.Network chip（U4）Communication bag is converted into network transmission telecommunications
Number, by network transformer driving chip（T1）Fiber optic network exchanger chip is sent to after enhancing signal（SFP
interface）CH2 interfaces, by fiber optic network exchanger chip（SFP interface）Forwarding, CH2 interface signals are turned
Onto CH1 interfaces, CH1 interfaces connect the TCP serve ports at PC ends by JP3 network interfaces connected with network cable, set up socket companies
Connect, after socket successful connections, collecting fiber unit can carry out state and check or arrange parameter by debugging software.
2nd, the communication mechanism of collecting fiber unit and main website.
（1）Collecting fiber unit is set up TCP and is linked and communicating data by optical port/network interface and main website server.
Master Station Software is run at main website server end, TCP serve ports, waiting facilities connection are set up after running software.Light
On fine collecting unit after electricity, MCU operations, by its SPI interface, by 33 Europe protective resistances（R75-R78）, piece is selected, clock,
Data input and data output, reset signal are transferred to network chip（U4）.Network chip（U4）Communication bag is converted into network
Transmitting telecommunication number, by network transformer driving chip（T1）Pass through fiber optic network exchanger chip afterwards（SFP interface）,
By the capacitance of 0.1uF（C66-C69）, the differential signal needed for network transmission electric signal is converted into optical module passes through
（CON1）Drive optical module to convert electrical signals to optical signal and main website is delivered to by optical fiber, so as to actively be carried out with main website
Socket is connected, and after socket successful connections, collecting fiber unit enters row information and exchanges with main website according to appointment data form.Such as
Fruit connection midway disconnects, and collecting fiber unit can Auto-reconnect.
（2）As shown in fig. 7, optical port/the network interface of collecting fiber unit is detected with main website server network connection state：
1. optical port/network interface network connection state needs to inspect periodically, and proof cycle is 20 seconds, to ensure that communication process is that stabilization can
Lean on.
2. the normal mechanism that ensures to communicate is：If never receiving main website number cycle inner fiber collecting unit is inspected periodically
According to a heartbeat packet for regulation agreement is actively initiated in the timing of collecting fiber unit, and main website can immediately return to one under normal circumstances
Packet.Collecting fiber unit judges that connection is normal after receiving packet, otherwise then judges Network Abnormal.
Connection procedure：The MCU timings of collecting fiber unit are packed the heartbeat packet of what a regulation agreement, and MCU passes through its SPI
Interface, by 33 Europe resistance, piece is selected, clock, data input and data output, reset signal, and heartbeat packet is transferred into network
Chip（U4）.Network chip（U4）Communication bag is converted into network transmission electric signal, by network transformer driving chip（T1）
Pass through fiber optic network exchanger chip afterwards（SFP interface）, by 0.1uF isolation capacitances（C66-C69）, network is passed
Power transmission signal be converted into optical module needed for differential signal, pass through（CON1）Drive optical module to convert electrical signals to optical signal to lead to
Cross optical fiber and heartbeat packet is delivered to main website.
Main website responds a response bag immediately after receiving heartbeat packet, and sends the response bag by optical fiber, and instruction passes through
Optical fiber is sent on the optical module of collecting fiber unit, and optical signal is transformed into optical module the electric signal of difference（TD and RD）,
By capacitance（C66-C69）, differential signal is passed into fiber optic network exchanger chip（SFP interface）, optical fiber
Network switch chip（SFP interface）Network interface signal is converted the signal to, by CH2 ports, by signal transmission to net
Road transformer（T1）, networking transformer（T1）By network signal transformation for 3.3V safe voltage after, by signal transmission to network interface
Turn SPI chips（U4）,（U4）Network interface signal is converted into the data signal of SPI protocol, by 33 Europe protective resistances（R75-R78）
Pass to the MCU of collecting fiber unit.
If 3. successful connection, continue the step of 2., anomalous counts value resets；
If 4. connection failure, continue the step of 2., anomalous counts value increases by 1 time, after multiple connection failure, MCU initiates initial
Change hardware instruction, equipment is restarted；
5. main website connection flow is continued after restarting.
（3）Main website gathers front end ammeter data by collecting fiber unit.
When main website needs to obtain front end ammeter data, main website will instruct packing to be sent to collecting fiber unit by optical fiber
Optical module on, optical signal is transformed into optical module the electric signal of difference（TD and RD）, by capacitance（C66-C69）,
Differential signal is passed into fiber optic network exchanger chip（SFP interface）, fiber optic network exchanger chip（SFP
interface）Network interface signal is converted the signal to, by CH2 ports, networking transformer is given by signal transmission（T1）, networking becomes
Depressor（T1）By network signal transformation for 3.3V safe voltage after, signal transmission is turned into SPI chips to network interface（U4）,（U4）Will
Network interface signal is converted into the data signal of SPI protocol, by 33 Europe protective resistances（R75-R78）Pass to MCU.MCU identifications are logical
After letter bag, the port to be inquired about is parsed, the corresponding order of packing enables corresponding 485 chip, passes through by 485E lines
485TX lines send order, and signal produces signal transmission to 485 chips by passing through optocoupler, control optocoupler after the protective resistance of 1K,
485 chips convert the signal to the differential signal of 485 forms, are sent to front end ammeter.Ammeter is passed by above-mentioned opposite path
Delivery data is ultimately transferred to main website after MCU identification communication bags to MCU by above-mentioned reverse path, and completion once communicates.
3rd, collecting fiber unit and indoor wisdom electric energy terminal called mechanism.
（1）As shown in figure 8, wisdom electric energy endpoint registration is to collecting fiber unit flow.
Wisdom electric energy terminal part：If not binding ammeter after the energization of wisdom electric energy terminal, may require that user binds
Electric card, after user inserts electric card, obtains ammeter number from electric card；Wisdom electric energy terminal according to protocol specification using ammeter as
After the packing of address, carrier module, carrier module demodulation are passed to by U2TXD and U2RXD lines with the speed of baud rate 1000bps
Afterwards, the MCU of collecting fiber unit is passed data to by power line.
Wisdom electric energy terminal monitors the return signal that succeeds in registration by carrier module, if without reply, separated in time
After resend the registration packet.Stop sending registration packet after having reply.
Collecting fiber cell mesh：Collecting fiber unit meeting monitoring carrier wave module by signal, communication is met when having in power line
The carrier data bag of agreement, carrier module, carrier wave are passed to the speed of baud rate 1000bps by U2TXD and U2RXD lines
After module demodulation, the MCU of collecting fiber unit is passed data to by power line；The MCU parsing data of collecting fiber unit
Bag content, if judging the registration packet from wisdom electric energy terminal, then enters table number in bag with the table number in storage chip
Row is compared；If without the table number, abandoning the packet, error message feeds back to intelligence after carrier module is modulated by power line
Intelligent electric energy terminal；If there is the table number, store wisdom electric energy end message and associated with ammeter, binding information passes through carrier module
Wisdom electric energy terminal is fed back to by power line after modulation；If the table number with wisdom electric energy terminal association, binding information lead to
Wisdom electric energy terminal is fed back to by power line after crossing carrier module modulation.
（2）Collecting fiber unit copy reading ammeter data simultaneously sends to wisdom electric energy terminal.
Because the secondary side of a transformer there may be multiple collecting fiber units, to avoid multiple collecting fiber units
Unordered transmission carrier data, then carry out centralized configuration and scheduling by main website to collecting fiber unit.Main website is with a transformer two
All collecting fiber units of secondary side are made a plan task for scope, are time interval for each collecting fiber unit with 5 minutes
Configuration different task time.
After time is up for plan target, assignment instructions are sent to the optical module of collecting fiber unit by optical fiber for main website
On, optical signal is transformed into optical module the electric signal of difference（TD and RD）, by capacitance（C66-C69）, difference is believed
Number pass to fiber optic network exchanger chip（SFP interface）, fiber optic network exchanger chip（SFP interface）Will
Signal is converted into network interface signal, by CH2 ports, networking transformer is given by signal transmission（T1）, networking transformer（T1）By net
After network signal transformation is for the safe voltage of 3.3V, signal transmission is turned into SPI chips to network interface（U4）,（U4）Network interface signal is converted
It is the data signal of SPI protocol, by 33 Europe protective resistances（R75-R78）Pass to the MCU of collecting fiber unit.
MCU will have bound the ammeter number of wisdom electric energy terminal in reading storage chip, obtain corresponding RS485 interfaces.
During MCU high-ranking officers order be forwarded to corresponding RS485 interfaces, by 485TX lines send order, signal by 1K guarantor
By optocoupler after shield resistance, control optocoupler produces signal transmission to 485 chips, and 485 chips convert the signal to the difference of 485 forms
Sub-signal, front end ammeter is sent to by copy reading instruction.
When the ammeter of corresponding address receives the order and school, after by implementing result by 485 chips be converted into difference believe
Number, corresponding RS485 chips are passed to, 485 chips export the level signal that differential signal is converted into TTL from RO ports, control
The switch of optocoupler processed, generation meets the TTL electric signals of MCU level voltages, passes the 485TX of MCU back by the protective resistance in 510 Europe
Pin, MCU receives and identifies the signal.
It is 500ms that the MCU of collecting fiber unit waited for 485 times for returning to the instruction passback of wall scroll data reading system, if data
Passback time-out, MCU logs simultaneously return main website.
If receiving return data, the carrier signal on power line is intercepted by the pin of carrier module, if there are other
Carrier signal is then waited；If nothing, ordered during MCU high-ranking officers, data is activation is gone out and waited by carrier module.
Indoor wisdom electric energy terminal receives data and stores, and then returns implementing result.
If collecting fiber unit waits passback result time-out, intercepting carrier signal is simultaneously retransmitted；If receiving passback result,
Then return main website.
4th, the mechanism of the control of collecting fiber unit multichannel 485：
5 independent serials mouth of MCU passes through 5 road RS485 interface circuits of RS485 chip drives 5 respectively.Equipment uses multitask
Operating system controls multichannel RS485 circuits, and the every 1 road RS485 circuits of each task control go management by a corresponding task, many
Individual task can parallel running, then RS485 circuits each other without interference with.Start 5 threads when device power is initialized, point
Kong Zhi not 5 RS485 bus circuits.When needing to gather the ammeter data in certain RS485 bus, MCU passes through corresponding line
The bus of Cheng Xianggai roads 485 sends request of data, and after corresponding ammeter receives request command, return data, completion is once communicated
Process.Data above communication process can be initiated from MCU orders to each bus, because MCU speed is exceedingly fast, while being again many
Business mechanism, is the equal of that multichannel RS485 buses work at the same time, can be within the time for once communicating, while completing 5 485
The data communication gatherer process of bus.
Further to improve the transmission speed of data, the baud rate default setting per road RS485 is 9600bps.Each
485 buses can connect multiple ammeters, and MCU is sent in the packet of RS485 comprising electric meter address ID, is sent in 485 buses
One packet, ammeter receive address ID that resolve command bag after the order contrasted in the address ID of oneself and order bag whether phase
Together, although all ammeters can receive the order, but ammeter only corresponding with address just can returned data.
Invention provides a kind of power information acquisition system, including main website and ammeter, also including described in embodiment 1
Collecting fiber unit.
As shown in figure 9, present invention also offers a kind of more preferably power information acquisition system, including main website, ammeter and intelligence
Intelligent electric energy terminal, also including the more preferably collecting fiber unit described in embodiment 2.
As shown in Figure 10, in power information acquisition system, including main website receives collecting fiber unit and logs in and heartbeat prison
Listen flow.
1st, main website initialization ammeter and collecting fiber unit（Containing port）Configuration information.
2nd, collecting fiber unit logging request is monitored by main website.After main website receives logging request, judge to work as by configuration information
Whether effectively the collecting fiber unit of preceding connection, if invalid active break link, login successfully, while to light if effectively
Fine collecting unit returns and logs in confirmation and keep connecting.
3rd, to listed collecting fiber unit, main website timing 10 minutes simultaneously monitors the heartbeat letter that collecting fiber unit is sent
Breath, if receiving heartbeat message, updates connection status and simultaneously returns to confirmation, is actively disconnected if time-out is not received and more
New connection status.
As shown in figure 11, in power information acquisition system, including the flow that main website passes through collecting fiber unit meter reading.
1st, the task of checking meter is copied or planned to main website initiate point.
2nd, main station judging task priority and queue up.
3rd, main website finds corresponding connection by ammeter and collecting fiber unit configuration information, and by way of circulation to
Multigroup 485 passage on collecting fiber unit sends meter reading instruction, and same group of 485 channel attached instructions are by under queueing form
Hair.
4th, collecting fiber unit receives instruction and analysis protocol, then sends order of checking meter to the ammeter of specified 485 ports,
Receive ammeter data and return to main website.
5th, main website timing and by endless form monitor collecting fiber unit each group of 485 ports whether receive return number
According to.If time-out does not receive returned data, the next acquisition in queue is issued at once, while judging whether to have timed out three
It is secondary, if having timed out three times, event log is recorded, if having not timed out three times, initiate benefit and copy task, side by side to task queue end
And wait is issued.
6th, main website receives the data of copy reading, parses and store the data.
7th, whether there is the order not issued in main station judging queue, have, issue at once, nothing then terminates flow.
As shown in figure 12, power information collection inquiry system in, including wisdom electric energy terminal inquiry ammeter information stream
Journey：
1st, query statement of the wisdom electric energy terminal generation comprising electric meter address, carrier module is sent to by power line；
2nd, query statement is sent to collecting fiber unit after carrier module decoding；
3rd, collecting fiber unit compares the electric meter address in the electric meter address and storage chip in query statement, obtains electricity
The corresponding RS485 ports of table address；
4th, query statement is forwarded to corresponding RS485 ports by collecting fiber unit；
5th, ammeter returns data to RS485 ports, and collecting fiber unit receives ammeter returned data；
6th, ammeter returned data is sent to carrier module by collecting fiber unit；
7th, ammeter returned data is sent to wisdom electric energy terminal by carrier module, and flow terminates.
Illustrate the operation principle of the power information acquisition system as a example by flow when school below：
（1）" main website "（Optical port/network interface）/ " ammeter "（The 485 of particular port）Between data forwarding：
Ordered during the school that main website generation includes electric meter address and sent by optical fiber, instruction is sent to collecting fiber list by optical fiber
On the optical module of unit, optical signal is transformed into optical module the electric signal of difference（TD and RD）, by capacitance（C66-
C69）, differential signal is passed into fiber optic network exchanger chip（SFP interface）, fiber optic network exchanger chip（SFP
interface）Network interface signal is converted the signal to, by CH2 ports, networking transformer is given by signal transmission（T1）, networking becomes
Depressor（T1）By network signal transformation for 3.3V safe voltage after, signal transmission is turned into SPI chips to network interface（U4）,（U4）Will
Network interface signal is converted into the data signal of SPI protocol, by 33 Europe protective resistances（R75-R78）Transmission MCU；
MCU compares the electric meter address in instruction with the address in storage chip, can just obtain the address say it is corresponding that
Individual RS485 interfaces；
Order is forwarded to corresponding RS485 interfaces during MCU high-ranking officers, corresponding 485 chip is enabled by 485E lines, by 485TX
Line sends order, and signal is by, by optocoupler, control optocoupler produces signal transmission to 485 chips, 485 cores after the protective resistance of 1K
Piece converts the signal to the differential signal of 485 forms, is sent to front end ammeter；
When the ammeter of corresponding address receives the order and school, after implementing result is converted into differential signal by 485 chips, pass
Corresponding RS485 chips are passed, 485 chips export the level signal that differential signal is converted into TTL from RO ports, control optocoupler
Switch, generation met the TTL electric signals of MCU level voltages, passed back the 485TX pins of MCU by the protective resistance in 510 Europe,
MCU receives and identifies the signal；
To " implementing result ", MCU, by 33 Europe resistance, piece is selected corresponding RS485 interfaces by its SPI interface, when
Clock, data input and data output, reset signal are transferred to network chip（U4）.Network chip（U4）Communication bag is converted into net
Network transmitting telecommunication number, by network transformer driving chip（T1）Pass through fiber optic network exchanger chip afterwards（SFP
interface）, by the isolation capacitance of 0.1uF（C66-C69）, the difference needed for network transmission electric signal is converted into optical module
Sub-signal, passes through（CON1）Drive optical module to convert electrical signals to optical signal and " implementing result " is delivered to by master by optical fiber
Stand.Flow terminates；
（2）" main website "（Optical port/network interface）/ " indoor terminal "（Carrier wave）Between data forwarding；
Ordered during the school that main website generation includes electric meter address and sent by optical fiber, instruction is sent to collecting fiber list by optical fiber
On the optical module of unit, optical signal is transformed into optical module the electric signal of difference（TD and RD）, by capacitance（C66-
C69）, differential signal is passed into fiber optic network exchanger chip（SFP interface）, fiber optic network exchanger chip（SFP
interface）Network interface signal is converted the signal to, by CH2 ports, networking transformer is given by signal transmission（T1）, networking becomes
Depressor（T1）By network signal transformation for 3.3V safe voltage after, signal transmission is turned into SPI chips to network interface（U4）,（U4）Will
Network interface signal is converted into the data signal of SPI protocol, by 33 Europe protective resistances（R75-R78）Pass to MCU；
The carrier signal on power line is intercepted by the pin of carrier module, is waited if there are other carrier signals；If nothing,
Ordered during MCU high-ranking officers, sent order by carrier module；
When indoor terminal receives the order and school, then implementing result is returned；
MCU is received " implementing result " by carrier module, and MCU, by 33 Europe resistance, piece is selected by its SPI interface, when
Clock, data input and data output, reset signal are transferred to network chip（U4）.Network chip（U4）Communication bag is converted into net
Network transmitting telecommunication number, by network transformer driving chip（T1）Pass through fiber optic network exchanger chip afterwards（SFP
interface）, by the isolation capacitance of 0.1uF（C66-C69）, the difference needed for network transmission electric signal is converted into optical module
Sub-signal, passes through（CON1）Drive optical module to convert electrical signals to optical signal and " implementing result " is delivered to by master by optical fiber
Stand；
" implementing result " is back to main website, and flow terminates.
（3）" ammeter "（The 485 of particular port）/ " indoor terminal "（Carrier wave）Between data forwarding；
Wisdom electric energy terminal will be inquired to corresponding ammeter information, and first with the protocol specification appointed, generation includes ammeter
The querying command of address.It is delivered on the carrier module of wisdom electric energy terminal by power line, with baud after carrier module decoding
The speed of rate 1000bps passes to MCU by U2TXD and U2RXD lines；
MCU compares the electric meter address in instruction with the address in storage chip, can just obtain the address say it is corresponding that
Individual RS485 interfaces；
Order is forwarded to corresponding RS485 interfaces during MCU high-ranking officers, corresponding 485 chip is enabled by 485E lines, by 485TX lines
Order is sent, signal is by, by optocoupler, control optocoupler produces signal transmission to 485 chips, 485 chips after the protective resistance of 1K
The differential signal of 485 forms is converted the signal to, front end ammeter is sent to；
When the ammeter of corresponding address receives the order and school, after implementing result is converted into differential signal by 485 chips, pass
Corresponding RS485 chips are passed, 485 chips export the level signal that differential signal is converted into TTL from RO ports, control optocoupler
Switch, generation met the TTL electric signals of MCU level voltages, passed back the 485TX pins of MCU by the protective resistance in 510 Europe,
MCU receives and identifies the signal；
The MCU protocol specifications appointed, commands in return of the generation comprising electric meter address is logical with the speed of baud rate 1000bps
Cross U2TXD and U2RXD lines and pass to carrier module, data transfer is returned wisdom electric energy terminal, stream by carrier module by power line
Journey terminates.
Above example is used for illustrative purposes only, rather than limitation of the present invention, about the technology people of technical field
Member, without departing from the spirit and scope of the present invention, can also make various conversion or modification, therefore all equivalent
Technical scheme should also belong to scope of the invention, should be limited by each claim.
Claims (10)
1. collecting fiber unit, it is characterised in that including：
Micro-control unit, for operation program instruction, control miscellaneous part work；
At least 2 road RS485 circuits, are connected, with the micro-control unit for micro-control unit to be passed respectively per road RS485 circuits
Defeated data, are converted into the RS485 signals of standard, recognize ammeter and receive, while the standard RS485 signals that ammeter is returned,
It is converted into the packet that micro-control unit can be recognized；
Optical communication circuit, is connected with the micro-control unit, for setting up logical between micro-control unit and outside fiber plant
News hardware link, micro-control unit can mutually be communicated with external network；
Storage chip, is connected with the micro-control unit, for storing the ammeter connected on collecting fiber unit R S485 ports
Number, device parameter and logout；
Power module, is connected with the micro-control unit, for being powered to the collecting fiber unit.
2. collecting fiber unit according to claim 1, it is characterised in that described logical including RS485 per road RS485 circuits
Letter chip and isolation protective circuit.
3. collecting fiber unit according to claim 2, it is characterised in that the isolation protective circuit includes optocoupler core
Piece.
4. collecting fiber unit according to claim 1, it is characterised in that the optical communication circuit includes optic communication chip
And optical module.
5. collecting fiber unit according to claim 1, it is characterised in that the collecting fiber unit also includes：
Network port circuit, is connected with the micro-control unit, for setting up communication between micro-control unit and outside network port device
Hardware link, micro-control unit can mutually be communicated with external network；
Infrared receiving/transmission circuit, is connected with the micro-control unit, for the data conversion of transmitting micro-control unit into standard
Infrared signal, recognizes write by hand device and receives, while the standard IR optical signal that write by hand device is returned, is converted into micro-control unit
The packet that can be recognized；
Indicator light circuit, is connected with the micro-control unit, the working condition for showing the collecting fiber unit in real time；
Clock chip, is connected, for timing with the micro-control unit.
6. the collecting fiber unit according to any one of claim 1-5, it is characterised in that the collecting fiber unit is also wrapped
Carrier module is included, the carrier module is connected with the micro-control unit, and the data for micro-control unit to be transmitted are converted to
The carrier signal of standard, receives wisdom electric energy terminal recognition, while the standard carrier signal that wisdom electric energy terminal is returned, turns
Change the packet that micro-control unit can be recognized into；
The power module is also connected with carrier module, for being powered to carrier module.
7. collecting fiber unit according to claim 6, it is characterised in that the power module includes EMC protection circuits.
8. collecting fiber unit according to claim 7, it is characterised in that the EMC protection circuits are included in power supply
The A phase, B phase, C phase of input circuit 1 inductance of connecting respectively each with N phases；Between the A phases and N phases of the power supply, B phases and N phases
Between, each 1 Y capacitance in parallel respectively between C phases and N phases；A phases, B phases and C phases in the power supply are respectively respectively connected to 1 two pole
Pipe and 1 piezo-resistance.
9. the ammeter data acquisition method of collecting fiber unit according to claim 1, it is characterised in that including：
（1）Optical communication circuit receives the meter reading instruction that issues of main website and is transferred to micro-control unit；
（2）Micro-control unit parsing meter reading instruction determines corresponding 485 port；
（3）Micro-control unit order sends the order of checking meter with table number to each 485 port；
（4）Each 485 port of micro-control unit taking turn, intercepts ammeter returned data；
（5）Micro-control unit receives ammeter returned data, and main website is returned by optical communication circuit.
10. ammeter data acquisition method according to claim 9, it is characterised in that the optical communication circuit replaces with net
Mouth circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611246886.3A CN106788737A (en) | 2016-12-29 | 2016-12-29 | Collecting fiber unit and ammeter data acquisition method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611246886.3A CN106788737A (en) | 2016-12-29 | 2016-12-29 | Collecting fiber unit and ammeter data acquisition method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106788737A true CN106788737A (en) | 2017-05-31 |
Family
ID=58929228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611246886.3A Pending CN106788737A (en) | 2016-12-29 | 2016-12-29 | Collecting fiber unit and ammeter data acquisition method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106788737A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111882851A (en) * | 2020-09-02 | 2020-11-03 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Single-phase intelligent charge control electric energy meter optical fiber remote meter reading system |
| CN111918153A (en) * | 2020-09-15 | 2020-11-10 | 深圳天顺智慧能源科技有限公司 | Ammeter data acquisition unit |
| CN112198364A (en) * | 2020-09-24 | 2021-01-08 | 广东电网有限责任公司 | Meter reading wire connector and meter reading equipment |
| CN112233409A (en) * | 2020-10-13 | 2021-01-15 | 广东电网有限责任公司 | Low-voltage centralized meter reading system |
| CN114095895A (en) * | 2021-11-23 | 2022-02-25 | 云南电网有限责任公司电力科学研究院 | Intelligent sensing terminal communication self-adaptive data acquisition method and device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101354408A (en) * | 2008-07-31 | 2009-01-28 | 南京能瑞自动化设备有限公司 | Electric energy acquisition and operation management system and method based on platform zone centralized service terminal |
| CN202404748U (en) * | 2011-12-27 | 2012-08-29 | 深圳市开锐光通信技术有限公司 | Novel concentrator for electrical meter reading and electric meter system utilizing novel concentrator |
| CN202906911U (en) * | 2012-11-28 | 2013-04-24 | 威胜集团有限公司 | EPON-based electric energy meter optical fiber communication module |
| CN103323008A (en) * | 2013-06-28 | 2013-09-25 | 哈尔滨工程大学 | Fiber-optic gyroscope strapdown inertial navigation computer based on DSP (Digital Signal Processor) and navigation calculating method thereof |
| CN203300035U (en) * | 2013-04-25 | 2013-11-20 | 国家电网公司 | Acquirer and power utilization information acquiring system |
| CN203405940U (en) * | 2013-09-05 | 2014-01-22 | 山西省电力公司大同供电分公司 | Electricity information collection system based on WSN and wireless communication |
| CN204066385U (en) * | 2014-08-29 | 2014-12-31 | 国家电网公司 | A kind of power information acquisition system based on plastic optical fiber |
| CN204833699U (en) * | 2015-07-09 | 2015-12-02 | 国网天津市电力公司 | Low pressure intelligence table power consumption information acquisition parallel communication system based on lonWorks technique |
| CN205666832U (en) * | 2016-06-12 | 2016-10-26 | 杨泽清 | Local communication system based on plastic fiber |
| CN206370832U (en) * | 2016-12-29 | 2017-08-01 | 四川创能海博科技有限公司 | Collecting fiber unit |
-
2016
- 2016-12-29 CN CN201611246886.3A patent/CN106788737A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101354408A (en) * | 2008-07-31 | 2009-01-28 | 南京能瑞自动化设备有限公司 | Electric energy acquisition and operation management system and method based on platform zone centralized service terminal |
| CN202404748U (en) * | 2011-12-27 | 2012-08-29 | 深圳市开锐光通信技术有限公司 | Novel concentrator for electrical meter reading and electric meter system utilizing novel concentrator |
| CN202906911U (en) * | 2012-11-28 | 2013-04-24 | 威胜集团有限公司 | EPON-based electric energy meter optical fiber communication module |
| CN203300035U (en) * | 2013-04-25 | 2013-11-20 | 国家电网公司 | Acquirer and power utilization information acquiring system |
| CN103323008A (en) * | 2013-06-28 | 2013-09-25 | 哈尔滨工程大学 | Fiber-optic gyroscope strapdown inertial navigation computer based on DSP (Digital Signal Processor) and navigation calculating method thereof |
| CN203405940U (en) * | 2013-09-05 | 2014-01-22 | 山西省电力公司大同供电分公司 | Electricity information collection system based on WSN and wireless communication |
| CN204066385U (en) * | 2014-08-29 | 2014-12-31 | 国家电网公司 | A kind of power information acquisition system based on plastic optical fiber |
| CN204833699U (en) * | 2015-07-09 | 2015-12-02 | 国网天津市电力公司 | Low pressure intelligence table power consumption information acquisition parallel communication system based on lonWorks technique |
| CN205666832U (en) * | 2016-06-12 | 2016-10-26 | 杨泽清 | Local communication system based on plastic fiber |
| CN206370832U (en) * | 2016-12-29 | 2017-08-01 | 四川创能海博科技有限公司 | Collecting fiber unit |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111882851A (en) * | 2020-09-02 | 2020-11-03 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Single-phase intelligent charge control electric energy meter optical fiber remote meter reading system |
| CN111918153A (en) * | 2020-09-15 | 2020-11-10 | 深圳天顺智慧能源科技有限公司 | Ammeter data acquisition unit |
| CN112198364A (en) * | 2020-09-24 | 2021-01-08 | 广东电网有限责任公司 | Meter reading wire connector and meter reading equipment |
| CN112233409A (en) * | 2020-10-13 | 2021-01-15 | 广东电网有限责任公司 | Low-voltage centralized meter reading system |
| CN114095895A (en) * | 2021-11-23 | 2022-02-25 | 云南电网有限责任公司电力科学研究院 | Intelligent sensing terminal communication self-adaptive data acquisition method and device |
| CN114095895B (en) * | 2021-11-23 | 2024-08-27 | 云南电网有限责任公司电力科学研究院 | Communication self-adaptive data acquisition method and device for intelligent perception terminal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106530672A (en) | Electricity consumption information acquisition query system, acquisition method and query method | |
| CN106788737A (en) | Collecting fiber unit and ammeter data acquisition method | |
| CN102680842B (en) | Distribution room automatic identification tester and identification method thereof | |
| CN108023614A (en) | Low-voltage powerline carrier communication device and power information acquisition system and acquisition method | |
| CN106652428A (en) | Electricity consumption information acquisition system and acquisition method | |
| CN101639819A (en) | Bus system adopting pulse interval for serial communication and two-core belt power supply | |
| CN206370154U (en) | Power information gathers inquiry system | |
| CN202794361U (en) | District automatic identification tester | |
| CN111194127B (en) | Wisdom street lamp monitored control system | |
| CN202948551U (en) | Data transmission device used in electric power information acquisition | |
| CN216216887U (en) | Online power broadband carrier information acquisition and storage device | |
| CN106602726B (en) | A kind of electric energy efficiency monitoring terminal and method | |
| CN102231706A (en) | Multi-protocol Ethernet switch for mines | |
| CN206021528U (en) | A kind of low-voltage power kilowatt meter reading-out system downlink communication system | |
| CN206236264U (en) | A kind of medium-voltage carrier system | |
| CN110022253A (en) | Power and communicate simultaneously emergency communication device, agreement and the method for two lines bus | |
| CN206370832U (en) | Collecting fiber unit | |
| CN206370147U (en) | Power information acquisition system | |
| CN106506656A (en) | A kind of data communication system based on electronic information technology | |
| CN104155947B (en) | Monitoring system used for illumination of electromechanical device or tunnel | |
| CN205123764U (en) | Possess optoelectronic isolation and prevent that RS485 communication bus from accounting for electric power instrument of dead trouble function | |
| CN203102583U (en) | Intelligent electric energy information monitoring terminal and intelligent electric energy information monitoring system | |
| CN206100014U (en) | Communication manager device of belt wheel net function | |
| CN211630472U (en) | Power supply circuit of wisdom street lamp watch-dog | |
| CN203659205U (en) | Data transmission device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170531 |