CN203135869U - BPL carrier communication module - Google Patents
BPL carrier communication module Download PDFInfo
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- CN203135869U CN203135869U CN 201220706192 CN201220706192U CN203135869U CN 203135869 U CN203135869 U CN 203135869U CN 201220706192 CN201220706192 CN 201220706192 CN 201220706192 U CN201220706192 U CN 201220706192U CN 203135869 U CN203135869 U CN 203135869U
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Abstract
The utility model relates to a broadband power line (BPL) carrier communication module which mainly comprises a concentrator unit and an ammeter unit, wherein the ammeter unit comprises a power line transmit-receive controller, a PLC signal interface and an ammeter interface. The serial port of the power line transmit-receive controller is connected with the serial port of the ammeter interface, and the transmit-receive end of the power line transmit-receive controller is connected with the PLC signal interface. The ammeter interface is connected with an intelligent ammeter. The concentrator unit comprises a main concentrator chip, an exchanger, a converting circuit, a first connector and a second connector, wherein the exchanger is respectively connected with the second connector, the converting circuit and an ethernet interface through mapping method, the transmit-receive end of the converting circuit is connected with the first connector, and the exchanger is connected with the main concentrator chip through the second connector and the ethernet interface. The concentrator unit is connected with the PLC signal interface of the ammeter unit through the first connector.
Description
Technical field
The utility model relates to power line carrier communication, relates in particular to a kind of broadband power line carrier communication module that is applied to power consumer power information acquisition system.
Background technology
The broadband power line carrier communication module is mainly used in power consumer power information acquisition system.For whole electric power automatic meter reading system, there are two communication channels in the system: the long-range uplink communication channel between main website and the concentrator; Descending local communication channel between concentrator and collector or concentrator and the ammeter.Present stage downlink communication channel use mainly is arrowband PLC technology.Arrowband PLC belongs to single-carrier technology.Single carrier narrowband modulation technology mainly comprises FSK, BPSK, frequency hopping, direct sequence spread spectrum etc.The greatest drawback of single carrier narrowband modulation technology is not possess adaptive ability for the decline of time varying frequency selectivity and interference, thereby present significant limitation at communication reliability, at present state bigger suspection occurred for arrowband PLC technology down on the net, and arrowband PLC technology has been difficult to satisfy state's net for intelligent grid in real time and the requirement of mass data.
And broadband P LC belongs to multi-carrier modulation technology, and modulation system is OFDM.Because multi-carrier modulation technology is modulated to data message on a plurality of carrier waves, as certain frequency deep fading or when disturbed, other frequencies may still be in preferably under the transmission conditions, thereby still can correctly be received by the complete data message of coding after the error correction.The OFDM multi-carrier modulation technology is because of its outstanding anti-narrow-band noise performance, and the great potential that possesses on the high bandwidth is being provided, and represented following technological development direction, especially relatively poor national all the more so of the such power grid quality of China.
The utility model content
The purpose of this utility model is to provide a kind of broadband power line carrier communication module that is applied to power consumer power information acquisition system downlink communication channel.
For achieving the above object, the utility model is by the following technical solutions:
A kind of broadband power line carrier communication module mainly comprises concentrator unit and ammeter unit.The ammeter unit comprises power line transceiver controller, PLC signaling interface and ammeter interface, the serial ports end of power line transceiver controller connects the serial ports end of ammeter interface, the transmitting and receiving terminal of power line transceiver controller connects the PLC signaling interface, and the ammeter interface connects intelligent electric meter; Concentrator unit comprises concentrator master chip, interchanger, change-over circuit, first connector and second connector, interchanger is connected with second connector, change-over circuit, Ethernet interface respectively by port mapping method, the transmitting and receiving terminal of change-over circuit connects first connector, interchanger is connected with the concentrator master chip by second connector, and concentrator unit connects the PLC signaling interface of ammeter unit by first connector.
The FLASH port of power line transceiver controller connects the FLASH memory, and the external clock input port of power line transceiver controller connects crystal oscillator.The external DC chopper of ammeter interface.The power line transceiver controller is the QCA7000 chip.
The external DC chopper of second connector.Interchanger is the AR8236 chip.Change-over circuit is the QCA6410 chip.Ethernet interface is the RJ45 interface.
The utility model beneficial effect compared with prior art is:
(1) with respect to existing arrowband Power Line Carrier Communication Module, broadband power line communication module operating frequency higher (anti-interference good), bandwidth big (10Mbps@2-30MHz vs＜1Mbps@＜1MHz), low in energy consumption, meter reading efficiency and better reliability.
(2) PLC concentrator module in arrowband is communicated by letter with concentrator by serial ports, and broadband P LC concentrator module is communicated by letter with concentrator by network interface.It is the process of serial that arrowband PLC checks meter, and an ammeter ' s reading meter is finished and copied another one again; And broadband P LC can realize parallel checking meter, and realizes the network medium collision detection by PLC, and meter reading efficiency gets a promotion.
Description of drawings
Fig. 1 is the utility model ammeter unit schematic diagram
Fig. 2 is the utility model concentrator unit schematic diagram
Embodiment
In order to more fully understand technology contents of the present utility model, below in conjunction with specific embodiment the technical solution of the utility model is further introduced and explanation.
The serial ports end of power line transceiver controller 11 connects the serial ports end of ammeter interface 12, and the transmitting and receiving terminal of power line transceiver controller 11 connects PLC signaling interface 13, and ammeter interface 12 connects intelligent electric meter 17.The FLASH port of power line transceiver controller 11 connects FLASH memory 14, and the external clock input port of power line transceiver controller 11 connects crystal oscillator 15.Ammeter interface 12 external DC chopper 16.
Interchanger 21 is connected with second connector 24, change-over circuit 22, Ethernet interface 25 respectively by the EthPhy port mapping method.The transmitting and receiving terminal of change-over circuit 22 connects first connector 23.Interchanger 21 is connected with concentrator master chip 27 by second connector 24.Concentrator unit 20 connects the PLC signaling interface 13 of ammeter unit 10 by first connector 23.Second connector, 24 external DC chopper 26.Ethernet interface 25 is the RJ45 interface.Concentrator unit 20 can be selected to carry out ethernet communication by Ethernet interface 25 with the electric power main website, perhaps communicates by GPRS wireless public network and electric power main website.
The process of communication is as follows between ammeter module 10 and the concentrator module 20:
1) concentrator module 20 is as CCo (central coordinator), and ammeter module 10 is as STA (station), and concentrator module 20 is in charge of the PLC network.
2) after ammeter module 10 powers on, automatic 645 addresses of reading intelligent electric meter 17 by ammeter interface 12, then the MAC Address of 645 addresses of intelligent electric meter 17 as ammeter module 10 itself, simultaneously and concentrator module 20 set up logical network AVLN.
3) concentrator module 20 is descending, and the host end need be according to the form group bag of VS_UART_CMD_Req standard-required, and source address is the MAC of concentrator module 20, and destination address is 645 addresses of intelligent electric meter 17.
Unpack when 4) ammeter module 10 is received data, (UART raw data) issues intelligent electric meter 17 by ammeter interface 12 645 protocol datas.
When 5) ammeter module 10 was up, ammeter module 10 was according to the form packing data of VS_UART_CMD_Ind standard-required.Source address is the MAC Address of ammeter module 10, and destination address is the MAC Address of concentrator module 20.
More than statement only further specifies technology contents of the present utility model with embodiment; so that the reader is more readily understood; but do not represent execution mode of the present utility model and only limit to this, any technology of doing according to the utility model is extended or recreation, all is subjected to protection of the present utility model.
Claims (9)
1. broadband power line carrier communication module, mainly comprise concentrator unit and ammeter unit, it is characterized in that: described ammeter unit comprises power line transceiver controller, PLC signaling interface and ammeter interface, the serial ports end of described power line transceiver controller connects the serial ports end of described ammeter interface, the transmitting and receiving terminal of described power line transceiver controller connects described PLC signaling interface, and described ammeter interface connects intelligent electric meter; Described concentrator unit comprises concentrator master chip, interchanger, change-over circuit, first connector and second connector, described interchanger is connected with change-over circuit with second connector respectively by port mapping method, the transmitting and receiving terminal of described change-over circuit connects described first connector, described interchanger is connected with the concentrator master chip by second connector, and described concentrator unit connects the PLC signaling interface of described ammeter unit by first connector.
2. broadband power line carrier communication module as claimed in claim 1 is characterized in that: described interchanger also connects Ethernet interface by port mapping method.
3. broadband power line carrier communication module as claimed in claim 1 is characterized in that: the FLASH port connection FLASH memory of described power line transceiver controller, the external clock input port connection crystal oscillator of described power line transceiver controller.
4. broadband power line carrier communication module as claimed in claim 1 is characterized in that: the external DC chopper of described ammeter interface.
5. broadband power line carrier communication module as claimed in claim 1, it is characterized in that: described power line transceiver controller is the QCA7000 chip.
6. broadband power line carrier communication module as claimed in claim 1 is characterized in that: the external DC chopper of described second connector.
7. broadband power line carrier communication module as claimed in claim 1, it is characterized in that: described interchanger is the AR8236 chip.
8. broadband power line carrier communication module as claimed in claim 1, it is characterized in that: described change-over circuit is the QCA6410 chip.
9. broadband power line carrier communication module as claimed in claim 2, it is characterized in that: described Ethernet interface is the RJ45 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220706192 CN203135869U (en) | 2012-12-19 | 2012-12-19 | BPL carrier communication module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220706192 CN203135869U (en) | 2012-12-19 | 2012-12-19 | BPL carrier communication module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203135869U true CN203135869U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220706192 Expired - Fee Related CN203135869U (en) | 2012-12-19 | 2012-12-19 | BPL carrier communication module |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104318750A (en) * | 2014-10-20 | 2015-01-28 | 华为技术有限公司 | Meter reading method, device and system |
| CN105788226A (en) * | 2016-03-17 | 2016-07-20 | 长沙瑞斯康通信技术有限公司 | Broadband carrier parallel meter reading method and broadband carrier parallel meter reading system |
| CN105827461A (en) * | 2016-05-13 | 2016-08-03 | 长沙威胜信息技术有限公司 | Method for upgrading power line carrier communication module |
-
2012
- 2012-12-19 CN CN 201220706192 patent/CN203135869U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104318750A (en) * | 2014-10-20 | 2015-01-28 | 华为技术有限公司 | Meter reading method, device and system |
| CN105788226A (en) * | 2016-03-17 | 2016-07-20 | 长沙瑞斯康通信技术有限公司 | Broadband carrier parallel meter reading method and broadband carrier parallel meter reading system |
| CN105827461A (en) * | 2016-05-13 | 2016-08-03 | 长沙威胜信息技术有限公司 | Method for upgrading power line carrier communication module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161020 Address after: 518000 Acacia Industrial Road, Shenzhen commercial street, Xixiang street, Baoan District, Guangdong, 701 Patentee after: Shenzhen City Star Sky Digital Technology Co. Ltd. Address before: 518000, Guangdong, Shenzhen, Nantou Nanshan District pass, two road, Lok Industrial Zone, Building 29, 4, building 401, 402, 407 Patentee before: Shenzhen Quanlinyuan Digital Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20181219 |