CN106097691A - A kind of multimode multi-frequency telecommunication transmission system - Google Patents
A kind of multimode multi-frequency telecommunication transmission system Download PDFInfo
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- CN106097691A CN106097691A CN201610668488.4A CN201610668488A CN106097691A CN 106097691 A CN106097691 A CN 106097691A CN 201610668488 A CN201610668488 A CN 201610668488A CN 106097691 A CN106097691 A CN 106097691A
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- 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
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
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Abstract
The invention discloses a kind of multimode multi-frequency telecommunication transmission system, this system includes: communication unit, for receiving and dispatching the carrier signal of different frequency by the way of electric lines of force couples；Communication unit includes first carrier module, the second carrier module, the 3rd carrier module, the 4th carrier module and MCU master controller；Power information acquisition terminal, the carrier signal transmitted for receiving communication unit；At least four gauge table；Wherein, communication unit is connected by 8 core grid lines of RJ45 interface with the multimode multi-frequency interface unit in power information acquisition terminal；Each gauge table is connected by electric lines of force with communication unit；First carrier module, the second carrier module, the 3rd carrier module and the 4th carrier module are connected with MCU master controller.This system realizes solving the problem that the carrier module of different manufacturers can not compatible be checked meter, it is achieved interconnecting of different carrier.
Description
Technical field
Technical field of power systems of the present invention, particularly relates to a kind of multimode multi-frequency telecommunication transmission system.
Background technology
At present, along with the covering of electrical network metering automation system advances, the substantial amounts of special change of current electrical network, public change, and
The low-voltage collecting meter reading user of 21% has been carried out automatically gathering, and the scope of the speed of follow-up propelling and covering all can carry further
Height, finds the upgrading and not of some problems, particularly carrier meter reading communication technology covering of early stage in the carrying out of work
With the technology barriers of producer, often bring the incompatible of carrier communication between terminal and electric energy meter, long to metering automation system
The maintenance of phase and technology upgrading work bring serious restriction.Above existing market, probably there are 10 left sides in the producer of carrier meter reading
The right side, different with modulation system due to carrier frequency between different manufacturers, cause carrier wave market to locate incompatible present situation, city always
Do not have a product can realize interconnecting of carrier module above simultaneously yet, in same district, the carrier wave mould of different manufacturers
Block can not compatibility be checked meter, and can not interconnect between different carrier.
Summary of the invention
It is an object of the invention to provide a kind of multimode multi-frequency telecommunication transmission system, to solve the carrier module of different manufacturers not
The problem that can compatible check meter, it is achieved interconnecting of different carrier.
For solving above-mentioned technical problem, the present invention provides a kind of multimode multi-frequency telecommunication transmission system, including:
Communication unit, for receiving and dispatching the carrier signal of different frequency by the way of electric lines of force couples；Described communication unit
Including first carrier module, the second carrier module, the 3rd carrier module, the 4th carrier module and MCU master controller；Wherein, institute
State first carrier module, the second carrier module, the 3rd carrier module and the carrier wave mould that the 4th carrier module is four different manufacturers
Block；
Power information acquisition terminal, for receiving the carrier signal that described communication unit transmits；
At least four gauge table；
Wherein, described communication unit and the multimode multi-frequency interface unit in power information acquisition terminal are by RJ45 interface
8 core grid lines are connected；Each gauge table is connected by electric lines of force with described communication unit；Described first carrier module, second carries
Mode block, the 3rd carrier module and the 4th carrier module are connected with MCU master controller.
Preferably, described power information acquisition terminal includes GPRS/LTE module and described multimode multi-frequency communication interface list
Unit；Described multimode multi-frequency communications interface unit is arranged on the local module interface on power information acquisition terminal, with described
Ground module interface grafting is connected.
Preferably, carrier signal, after the carrier signal receiving various different frequency, is entered by described MCU master controller
Row is transparently transmitted to described power information acquisition terminal after processing.
Preferably, the data transmission between described communication unit and power information acquisition terminal uses with control signal transmission
Transparent transmission mode.
Preferably, described multimode multi-frequency communications interface unit includes RJ45 interface, by 8 parallel communication network winding thread groups
Become.
Preferably, described communication unit also includes: power module, for AC220V is converted to DC12V, supplies communication unit
All carrier modules in unit.
Preferably, on the concentrator interface that four carrier modules in communication unit are arranged on communication unit, each
The corresponding concentrator interface of carrier module, with concentrator interface socket connection.
Preferably, described MCU master controller also includes: the RLC filter circuit being connected with described first carrier module,
The 2nd RLC filter circuit being connected with described second carrier module, the 3rd RLC filtered electrical being connected with described 3rd carrier module
Road, and the 4th RLC filter circuit being connected with described 4th carrier module.
Preferably, the number of described gauge table is four, and the first gauge table is the meter of producer corresponding to first carrier module
Scale, the second gauge table is the gauge table of the producer that the second carrier module is corresponding, and the 3rd gauge table is that the 3rd mode block is corresponding
The gauge table of producer, the 4th gauge table is the gauge table of the producer that the 4th carrier module is corresponding.
A kind of multimode multi-frequency telecommunication transmission system provided by the present invention, this system includes: communication unit, for by electricity
The mode of line of force coupling receives and dispatches the carrier signal of different frequency；Described communication unit includes first carrier module, the second carrier wave mould
Block, the 3rd carrier module, the 4th carrier module and MCU master controller；Wherein, described first carrier module, the second carrier module,
3rd carrier module and the carrier module that the 4th carrier module is four different manufacturers；Power information acquisition terminal, is used for receiving
The carrier signal that described communication unit transmits；At least four gauge table；Described communication unit and power information acquisition terminal
In multimode multi-frequency interface unit be connected by 8 core grid lines of RJ45 interface；Each gauge table passes through with described communication unit
Electric lines of force connects；Described first carrier module, the second carrier module, the 3rd carrier module and the 4th carrier module and MCU master control
Device processed is connected.Visible, first carrier module, the second carrier module, the 3rd carrier module and these four carrier waves of the 4th carrier module
Module is the carrier module of four different manufacturers, and different carrier signal is transferred to power information by master controller by communication unit
Acquisition terminal, the multimode multi-frequency interface unit on electrical information acquisition terminal realizes the letter of communication unit and power information acquisition terminal
Number transmission, be achieved in that interconnecting of different manufacturers carrier module, solve different manufacturers carrier module can not with
Checking meter between one terminal, so this system solves in same district, the carrier module of different manufacturers can not compatible be checked meter
Problem, it is achieved interconnecting of different carrier.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to
The accompanying drawing provided obtains other accompanying drawing.
Fig. 1 is the structural representation of a kind of multimode multi-frequency telecommunication transmission system provided by the present invention；
Fig. 2 is the concrete frame diagram of multimode multi-frequency telecommunication transmission system；
Fig. 3 is the theory diagram of multimode multi-frequency telecommunication transmission system；
Fig. 4 is interface definition schematic diagram between interface unit and south net 13 standard concentrator；
Fig. 5 is interface definition schematic diagram between interface unit and communication unit；
Fig. 6 is carrier module interface and the schematic diagram of concentrator module interface above communication unit；
Fig. 7 is the protocol procedures figure of checking meter of multimode multi-frequency communication unit.
Detailed description of the invention
The core of the present invention is to provide a kind of multimode multi-frequency telecommunication transmission system, to solve the carrier module of different manufacturers not
The problem that can compatible check meter, it is achieved interconnecting of different carrier.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with in the embodiment of the present invention
Accompanying drawing, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
The a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
Term is explained:
Multimode multi-frequency communicates: refer to check meter narrowband carrier, bandwidth carrier is checked meter, bimodulus is checked meter, micropower radio meter register this
Four kinds of patterns of checking meter combine, in the environment of different operating frequency, it is achieved the transmitted in both directions to power information.
Power information harvester terminal: the equipment that each information gathering point power information is gathered.Electric energy meter number can be realized
According to collection, data management, data double-way transmission and forward or perform control command equipment.Hereinafter referred to as terminal.
Refer to the structural representation that Fig. 1, Fig. 1 are a kind of multimode multi-frequency telecommunication transmission system provided by the present invention, should
System includes:
Communication unit 101, for receiving and dispatching the carrier signal of different frequency by the way of electric lines of force couples；Communication unit
101 include first carrier module 11, the second carrier module 12, the 3rd carrier module 13, the 4th carrier module 14 and MCU main control
Device 15；
Wherein, first carrier module 11, the second carrier module 12, the 3rd carrier module 13 and the 4th carrier module 14 are four
The carrier module of individual different manufacturers；
Power information acquisition terminal 102, the carrier signal transmitted for receiving communication unit 101；
At least four gauge table 103；
Wherein, communication unit 101 is connect by RJ45 with the multimode multi-frequency interface unit 21 in power information acquisition terminal 102
8 core grid lines of mouth are connected；
Each gauge table 103 is connected by electric lines of force with communication unit 101；
First carrier module 11, the second carrier module 12, the 3rd carrier module 13 and the 4th carrier module 14 and MCU master control
Device 15 processed is connected.
Visible, in this system, first carrier module, the second carrier module, the 3rd carrier module and the 4th carrier module this
Four carrier modules are the carrier modules of four different manufacturers, and different carrier signal is transferred to by communication unit by master controller
Power information acquisition terminal, the multimode multi-frequency interface unit on electrical information acquisition terminal realizes communication unit and power information collection
The signal transmission of terminal, has been achieved in that interconnecting of different manufacturers carrier module, has solved the carrier module of different manufacturers
Can not and same terminal between check meter, so this system solves in same district, the carrier module of different manufacturers can not be held concurrently
Hold the problem checked meter, it is achieved interconnecting of different carrier.
Based on said system, concrete, power information acquisition terminal includes that GPRS/LTE module communicates with multimode multi-frequency and connects
Mouth unit；Multimode multi-frequency communications interface unit is arranged on the local module interface on power information acquisition terminal, with this topotype
Block interface grafting is connected.
MCU master controller is after the carrier signal receiving various different frequency, after carrier signal being processed thoroughly
Bright it is transferred to power information acquisition terminal.
Wherein, the data transmission between communication unit and power information acquisition terminal uses transparent biography with control signal transmission
Defeated mode.
Wherein, multimode multi-frequency communications interface unit includes RJ45 interface, is made up of 8 parallel communication network winding threads.
Further, communication unit also includes: power module, for AC220V is converted to DC12V, supplies communication unit
In all carrier modules.
On the concentrator interface that four carrier modules in communication unit are arranged on communication unit, each carrier module
A corresponding concentrator interface, with concentrator interface socket connection.Socket connection is i.e. inserted on concentrator interface, concentrator interface
Being exactly the interface on concentrator, be inserted on concentrator interface and be just provided on concentrator, each carrier module is arranged on communication
On the concentrator of unit, a carrier module is correspondingly arranged on a concentrator, and communication unit has four concentrator interfaces,
Also having four concentrators, each concentrator has a concentrator interface, carrys out grafting carrier module.Concentrator in literary composition also referred to as collection
Middle device module.
Concrete, the number of gauge table is four, and the first gauge table is the gauge table of producer corresponding to first carrier module,
Second gauge table is the gauge table of the producer that the second carrier module is corresponding, and the 3rd gauge table is the producer that the 3rd mode block is corresponding
Gauge table, the 4th gauge table is the gauge table of the producer that the 4th carrier module is corresponding.Gauge table in literary composition is also referred to as gauge table originally
Body.
Further, described MCU master controller also includes: the RLC filtered electrical being connected with described first carrier module
Road, the 2nd RLC filter circuit being connected with described second carrier module, the 3rd RLC filter being connected with described 3rd carrier module
Wave circuit, and the 4th RLC filter circuit being connected with described 4th carrier module.
The when that four carrier modules passing through electric lines of force coupled signal to communication unit in system, there is signal and interfere with each other
Problem, return the when of serious and cause the concentrator interface above communication unit networking not check meter.For solving this four producer
Carrier module signal on electric lines of force, mutually around problem, increases band respectively on power line coupling circuit and leads to and band elimination filter
Circuit, forms filter circuit with rlc circuit.These RLC filter circuits are increased respectively in the electric lines of force coupling of concentrator interface
After closing circuit, it is specifically located on MCU master controller.Because the carrier frequency of different carrier producer, bandwidth of operation is the most different,
With crossing increase filter circuit, it is achieved that communication unit receives the mutual around problem of carrier signal.
The carrier module of different manufacturers is realized interconnecting by multimode multi-frequency telecommunication transmission system, it is possible to effectively solve on the same stage
The problem that district's carrier schemes is used in mixed way, reduces a series of of appearance during metering automation system is built for a long time and safeguarded and asks
Topic, the incompatible old technology of such as the old and new's technology is difficult to be replaced by novel advantage technology, and old equipment stops production and causes original
District cannot purchase wheel exchange device, causes whole district to be required for putting into substantial contribution and the most again builds acquisition system etc. and ask
Topic.
The multimode multi-frequency telecommunication transmission system of the present invention answers the market demand to give birth to, it is achieved that different manufacturers carrier module mutual
Connection intercommunication, reaches following achievement:
1, solving in platform district during electrical network upgrading, the carrier module of different manufacturers can not be with same terminal
Between check meter.
2, distinctive design of hardware and software mode is used, it is achieved control signal between terminal and different carrier table and data
Transparent transmission and process transmission.
3, plug and play, it is not necessary to manually arrange.By the display lamp of multi-band communication transmission system it may determine that carrier wave mould
The networking of block, data transmit-receive.
Detailed, the concrete frame diagram of multimode multi-frequency telecommunication transmission system is as in figure 2 it is shown, in this system, multimode multi-frequency connects
The data that mouth unit is mainly used between transmission terminal and communication unit, transmission means is 8 core grid lines of RJ45 interface, communication
Unit receives and dispatches the carrier signal of different frequency by the way of electric lines of force couples, then by the MCU master controller of communication unit
Process the various carrier signals that transmitting-receiving is arrived, then pass to terminal by multimode multi-frequency interface unit.Communication unit and multimode multi-frequency
Connected by netting twine before interface unit, connected by electric lines of force between communication unit and gauge table, or small wireless connects.Logical
After letter unit receives the signal of various carrier frequency, transparent transmission after signal processing and process are transferred to terminal, terminal with
Data transmission between interface unit uses transparent transmission mode with control signal transmission.It should be noted that the terminal in literary composition is equal
Referring to power information acquisition terminal, also referred to as power information acquisition terminal body, may be simply referred to as terminal body.
Detailed, Fig. 3 is the theory diagram of multimode multi-frequency telecommunication transmission system.Local module above terminal body connects
Mouthful, plug the interface unit i.e. multimode multi-frequency interface unit of multimode multi-frequency, above interface unit, have RJ45 interface, parallel by 8
Communication network winding thread composition.It should be noted that terminal body i.e. refers to power information harvester terminal, interface unit refers to many
Mould multifrequency interface unit.
Selecting south net 13 concentrator standard interface in terminal local, for interface unit and terminal body, interface circuit is such as
Shown in Fig. 4.Wherein these 6 holding wires of LED_ACT, LED_LINK, RD+, RD-, TD+, TD-are Ethernet interface signals, are used for
One of up mode with master station communication.
RST, DEC_RXD, DEC_TXD, these 5 holding wires of/SET, GND are exactly the number between interface unit and communication unit
According to and control signal.This power supply of D12V is that terminal is supplied to interface unit, interface unit above with LDO circuit reduce to 5V and
3.3V, needs to provide the terminal with 5V level according to protocol interface unit, and 3.3V circuit is for ethernet circuit.
RJ45 interface principle above interface unit is as shown in Figure 5.RJ45 interface is connected by the parallel network line of 8 cores
To communication unit, interface unit data above and control signal, it is connected directly to after being changed by level above RJ45 interface.
Communication unit job step is as follows:
Step one: after AC220V power supply on communication unit, by the power module above communication unit, voltage stabilizing exports
DC12V, the carrier module above supply communication unit, the strong power part of AC220V carrier module to be supplied.Fig. 6 is communication unit
Carrier module interface and the schematic diagram of concentrator module interface above.In Fig. 6, the figure on the left side is carrier module interface, the right
Figure is concentrator module interface, and carrier module is provided in concentrator module.
Step 2: have the position of 4 concentrator module on communication unit, insert the concentrator mould of 4 different manufacturers respectively
Block, chooses four respectively, and the present invention at most can support the module of 4 different carrier producers simultaneously.
Representational carrier wave producer: ancient cooking vessel letter, Neusoft, high pass, Zhong Chenhong are prosperous.The basic condition of four carrier waves such as table 1 below
Shown in.Then the concentrator module of these four carrier wave producers being inserted communication unit, 4 concentrator module positions can exchange,
Contact pin interface is south net 13 concentrator interface protocol.The position of these four concentrator module above communication unit, can put into south
The carrier wave of any producer of net 13 interface or wireless module, for convenience of description principle of this patent, choose 4 in table 1 below
Family's concentrator module is analyzed principle.
Table 1
Step 3: in whole system, needs to insert the carrier wave corresponding with concentrator module or wireless meter module at table end,
Could be aware that from Fig. 3 system principle diagram.Ancient cooking vessel letter, Neusoft, high pass broadband, prosperous (the bimodulus mould of Zhong Chenhong is inserted on gauge table
Block) these four carrier modules.The working environment of multimode multi-frequency telecommunication transmission system is completed by three above step.
In multimode multi-frequency telecommunication transmission system, data signal is as follows with the transmitting procedure of control signal:
Step one: communication unit powers on, is direct current 12V by power-switching circuit blood pressure lowering, for 4 above communication unit
Concentrator module is powered.Concentrator module interface is as shown in Figure 6.
Step 2: above communication unit, an other road power-switching circuit provides 5V and 3.3V direct current.3.3V be mainly used to
For the cpu power above communication unit, 5V is mainly used to the serial port level conversion of UART mouth.
Step 3: after total system electrification, the terminal UART mouth by interface unit, the networking initiating carrier module refers to
Order.Networking instruction is transparent on communication unit by interface unit by RJ45 interface, and communication unit turns 3.3V level by 5V and turns
Change circuit, networking instruction is transferred to the main control chip of communication unit, after main control chip inner buffer processes data, by additionally
One group of UART mouth exports the concentrator module above to communication unit.
Step 4: the concentrator module above communication unit passes through load core rod sheet by UART mouth, is then passed through electric power
Line sends networking and instructs to gauge table part, is exchanged by mesh information, it is achieved the successful networking of certain carrier wave producer is checked meter, and is
System schematic diagram is referred to Fig. 3.
Step 5: when there are ancient cooking vessel letter, Neusoft, high pass broadband, Zhong Chenhong these four different frequency differences prosperous in system simultaneously
The carrier wave of modulation system is time network module is checked meter simultaneously, needs to solve 2 difficult problems above communication unit:
1, the when that these four carrier modules passing through electric lines of force coupled signal to communication unit, have what signal interfered with each other
Problem, returns the when of serious and causes the concentrator module above communication unit networking not check meter.For solving this four carrier wave moulds
Block signal on electric lines of force, mutually around problem, increases band respectively on power line coupling circuit and leads to and rejector circuit,
Filter circuit is formed with rlc circuit.These RLC filter circuits are increased respectively in the power line coupling circuit of concentrator module
After.Because the carrier frequency of different carrier producer, bandwidth of operation is the most different, with crossing increase filter circuit, it is achieved that receive
Communication unit receives the mutual around problem of carrier signal.
2, the file administration of multimode multimode transmissions equipment.File administration is very important merit in multimode multi-frequency communication unit
Can, which determine communication unit and issue the scheme of task, and determine the communication efficiency of whole system.
3 archives are managed by communication unit, the archives issued including concentrator, under each area communication units module
The archives of registered electric meter address, the archives of unregistered ammeter.
Synchronize flow process by archives, the archives that concentrator issues can be obtained.After copying one and taking turns ammeter, it is known that
Copy the area communication units module that table is registered.This electric meter address is managed the area communication units module that is registered to it
Under.The electric meter address not belonged to then is referred in unregistered ammeter archives.
When communication unit issues task, the archives at the ammeter place of copy reading are needed to determine the scheme of issuing by judgement.If
This task in area communication units module registered ammeter archives, is then handed down to registered area communication units mould by ammeter
Block, if it is in unregistered ammeter archives, then needs the mode carrying out broadcasting to issue this task and is handed down to all local communications
Unit module, carries out broadcast and issues.It should be noted that after there is known the registration Local Communication Module of one of them ammeter,
Need to by other Local Communication Module about this ammeter address history delete.
Multimode multi-frequency communication unit check meter protocol procedures as shown in Figure 7.After concentrator issues order of checking meter, multimode is many
Frequently communication unit need to determine whether first round copy reading.If order of checking meter then is directly forwarded to whole bases by first round copy reading
Ground communication module (concentrator module).If not first round copy reading, then register the table archives of ammeter under inquiry Local Communication Module.
If the Local Communication Module that this ammeter is registered can be inquired, then order of checking meter is transmitted to this module.If cannot inquire,
Then it is transmitted to whole Local Communication Module.After order issues, it may be judged whether copy table data.If the data of copying, the most right
Table archives are inquired about, if managed this table, if no management, then need management table archives.If without, terminate to check meter.To check meter number
According to returning to concentrator.Finally terminate to check meter.
The present invention is in electrical network upgrading, it is achieved interconnecting of different carrier module, reduces due to electrical network upgrading band
The cost of the replacing module come, the interconnecting of different frequency difference debud mode carrier module that can realize in same district is copied
Table.Same district maximum can support 4 carrier module producers, supports wireless module simultaneously, during upgrading in electric network reconstruction, can accomplish
The compatibility of different carrier producer.The carrier wave multimode multi-frequency system that the present invention provides, increases different carrier producer, can accomplish upgrading
Simply, easy to maintenance.
Above a kind of multimode multi-frequency telecommunication transmission system provided by the present invention is described in detail.Used herein
Principle and the embodiment of the present invention are set forth by specific case, and the explanation of above example is only intended to help to understand
The method of the present invention and core concept thereof.It should be pointed out that, for those skilled in the art, without departing from this
On the premise of inventive principle, it is also possible to the present invention is carried out some improvement and modification, these improve and modification also falls into the present invention
In scope of the claims.
Claims (9)
1. a multimode multi-frequency telecommunication transmission system, it is characterised in that including:
Communication unit, for receiving and dispatching the carrier signal of different frequency by the way of electric lines of force couples；Described communication unit includes
First carrier module, the second carrier module, the 3rd carrier module, the 4th carrier module and MCU master controller；Wherein, described
One carrier module, the second carrier module, the 3rd carrier module and the carrier module that the 4th carrier module is four different manufacturers；
Power information acquisition terminal, for receiving the carrier signal that described communication unit transmits；
At least four gauge table；
Wherein, described communication unit and the multimode multi-frequency interface unit in power information acquisition terminal 8 cores by RJ45 interface
Grid line is connected；Each gauge table is connected by electric lines of force with described communication unit；Described first carrier module, the second carrier wave mould
Block, the 3rd carrier module and the 4th carrier module are connected with MCU master controller.
2. the system as claimed in claim 1, it is characterised in that described power information acquisition terminal include GPRS/LTE module and
Described multimode multi-frequency communications interface unit；Described multimode multi-frequency communications interface unit is arranged on the basis on power information acquisition terminal
On ground module interface, it is connected with described local module interface grafting.
3. the system as claimed in claim 1, it is characterised in that described MCU master controller is used for receiving various different frequency
Carrier signal after, be transparently transmitted to described power information acquisition terminal after carrier signal being processed.
4. the system as claimed in claim 1, it is characterised in that the number between described communication unit and power information acquisition terminal
Transparent transmission mode is used with control signal transmission according to transmission.
5. system as claimed in claim 2, it is characterised in that described multimode multi-frequency communications interface unit includes that RJ45 connects
Mouthful, it is made up of 8 parallel communication network winding threads.
6. the system as claimed in claim 1, it is characterised in that described communication unit also includes: power module, being used for will
AC220V is converted to DC12V, all carrier modules in supply communication unit.
7. the system as claimed in claim 1, it is characterised in that four carrier modules in communication unit are arranged at communication unit
On concentrator interface in unit, the corresponding concentrator interface of each carrier module, with concentrator interface socket connection.
8. the system as claimed in claim 1, it is characterised in that described MCU master controller also includes: with described first carrier mould
The RLC filter circuit that block is connected, the 2nd RLC filter circuit being connected with described second carrier module, carry with the described 3rd
The 3rd RLC filter circuit that mode block is connected, and the 4th RLC filter circuit being connected with described 4th carrier module.
9. system as claimed in any of claims 1 to 8 in one of claims, it is characterised in that the number of described gauge table is four, the
One gauge table is the gauge table of producer corresponding to first carrier module, and the second gauge table is the producer that the second carrier module is corresponding
Gauge table, the 3rd gauge table is the gauge table of the producer that the 3rd mode block is corresponding, and the 4th gauge table is that the 4th carrier module is corresponding
The gauge table of producer.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109272735A (en) * | 2018-11-21 | 2019-01-25 | 广州供电局有限公司 | Communication converter for resident's electric energy centralized meter-reading system |
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| CN1839557A (en) * | 2003-07-24 | 2006-09-27 | 亨特技术有限公司 | Data communication over power lines |
| CN101310540A (en) * | 2005-11-16 | 2008-11-19 | 英属开曼群岛威睿电通股份有限公司 | Multi-carrier wireless communication access terminal and data transmission method |
| CN201765692U (en) * | 2010-08-30 | 2011-03-16 | 长沙威胜信息技术有限公司 | General meter-reading controller for carrier wave electric energy meter |
| CN102347786A (en) * | 2011-07-20 | 2012-02-08 | 湖北省电力公司电力试验研究院 | Power line narrowband carrier field test device applied to low voltage centralized meter reading system |
| CN104464252A (en) * | 2013-09-12 | 2015-03-25 | 郑州朗鑫智能电子科技有限公司 | Intelligent electricity meter using power line as communication signal carrier and working method thereof |
| CN105024747A (en) * | 2015-08-19 | 2015-11-04 | 长沙威胜信息技术有限公司 | Signal relay equipment of power utilization information acquisition terminal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109272735A (en) * | 2018-11-21 | 2019-01-25 | 广州供电局有限公司 | Communication converter for resident's electric energy centralized meter-reading system |
| CN109272735B (en) * | 2018-11-21 | 2024-04-30 | 广东电网有限责任公司广州供电局 | Communication converter for resident electric energy centralized meter reading system |
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Application publication date: 20161109 |