CN103839399A - 485 conversion carrier wave meter reading device and meter reading method - Google Patents
485 conversion carrier wave meter reading device and meter reading method Download PDFInfo
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- CN103839399A CN103839399A CN201410058150.8A CN201410058150A CN103839399A CN 103839399 A CN103839399 A CN 103839399A CN 201410058150 A CN201410058150 A CN 201410058150A CN 103839399 A CN103839399 A CN 103839399A
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Abstract
The invention relates to a 485 conversion carrier wave meter reading device and a meter reading method; the 485 conversion carrier wave meter reading device is connected between a load management terminal and a data acquisition end, and comprises a RS485 interface, a PLCI38 chip, and a MUC micro-control unit; the meter reading method comprises the 485 conversion carrier wave meter reading device, a data acquisition device with carrier wave function, and the load management terminal; the 485 conversion carrier wave meter reading device and the data acquisition device are connected through a low voltage power line; the beneficial effects are that equipment investment is reduced; compared with the investment of arranging the load management terminal, the investment of arranging the 485 conversion carrier wave meter reading device is only one tenth, and GPRS/CDMA wireless channel cost needs not to be paid; mounting mode is simple and fast; operation workload is reduced; the 485 conversion carrier wave meter reading device is simple in hardware, stable in transmission, reliable in communication, thereby reducing mass operation work.
Description
Technical field
The present invention relates to a kind of 485 and reprint ripple meter-copy device and meter register method, it is the protocol converter that a kind of RS485 reprints ripple that this kind 485 reprinted ripple meter-copy device, is specially adapted to electric power enterprise to disperseing the collection of the electric energy meter meter energy information with RS485 communication interface of installing.
Background technology
Current, electric power enterprise is being carried forward vigorously the construction of power information acquisition system, promotes intelligent electric meter, electric energy acquisition device or the concentrator installed based on power line carrier, PLC mode in public power distribution station, realizes the electric power meter robotization of checking meter.But for the submeter having, turn for table high pressure specially become user, at present its master meter, submeter, turn or the ammeter without carrier communication function that adopt main for electric energy meter, the additional load management terminal of installing does not have power line carrier, PLC module yet, therefore fails to realize well the robotization of checking meter.
Traditional settling mode of such user's submeter power information collection is: 1, by laying 485 communication lines, by submeter, turn for table with RS485 communication mode, energy data is pooled to load management terminal, then by load management terminal with GPRS/CDMA wireless public network communication mode by remote data be transferred to power information gather main website; 2, before each submeter, install additional one independently acquisition terminal (as: load management terminal, meter-copy collector) realize electrical energy data acquiring, realized the remote transmission of corresponding submeter ammeter data by acquisition terminal.
Not only economic input is huge for above-mentioned two kinds of modes, has also increased a large amount of maintenance works, and reliability does not usually reach requirement yet.
Summary of the invention
In order to overcome the deficiencies in the prior art, a kind of 485 reprinting ripple meter-copy device and meter register methods of the collection that is applicable to the electric energy meter meter energy information with RS485 communication interface of electric power enterprise to dispersion installation are provided.
For achieving the above object, the invention provides a kind of 485 and reprint ripple meter-copy device, be connected between load management terminal and data acquisition end, it is characterized in that: comprise RS485 interface, PLCI38 chip, MUC micro-control unit;
The meter reading instruction data message that RS485 interface sends for receiving load management terminal, and the energy data information being converted to by MUC micro-control unit is fed back to load management terminal;
PLCI38 chip is used for power carrier signal coupling to be loaded into line of electric force, and receives the energy data that data acquisition end is passed back;
MUC control module is converted to power carrier signal for the meter reading instruction data message that load management terminal is sent, and the power carrier signal that data acquisition end is passed back and energy data carry out agreement exchange, this MUC control module is to receiving and the data of conversion are stored.
Further, also comprise infrared interface and pilot lamp.
Further, RS485 interface, PLCI38 chip, MUC micro-control unit adopt totally-enclosed encapsulation.
Further, the FLASH that MUC micro-control unit has a built-in 4K is as the program space, built-in 368Byte-RAM and have 1 serial port.
A kind of meter register method, is characterized in that: comprise that 485 described in above-mentioned any one reprint ripple meter-copy devices, data acquisition unit and load management terminal with carrier wave function, described 485 reprint ripple meter-copy devices is connected by low-voltage power line with data acquisition unit;
Load management terminal will copy reading meter reading instruction data message be converted to power carrier signal coupling by 485 reprinting ripple meter-copy devices and be loaded on low-voltage power line;
Data acquisition unit with carrier wave function receives after meter reading instruction by low-voltage power line, by energy data again in power line carrier communication mode to load management terminal responsive feedback;
485 reprint ripple meter-copy device receives the power carrier signal of data acquisition unit feedback and carries out protocol conversion, and energy data is passed to load management terminal, completes the communication process of once checking meter.
Further, the electric energy meter that data acquisition unit is built-in carrier module.
Further, data acquisition unit is 485 ammeters that state net II type collector is housed.
Further, between load management terminal and data acquisition unit, adopt DLT645-2007 multifunction electric meter communication protocol.
From the above-mentioned description of this invention, 485 reprinting ripple meter-copy devices of confession of the present invention and the beneficial effect of meter register method are as follows: the one, reduce equipment investment, taking single submeter as example, it is to install 1/10 of load management terminal input additional that installation 485 reprinting ripple meter-copy devices are realized electric quantity acquisition, and without paying GPRS/CDMA radio channel expense, mounting means simple and fast; The 2nd, reduce O&M workload, 485 reprinting ripple meter-copy device hardware are simple, and transmission is stable, and reliable communications, can reduce a large amount of O&M work.
Brief description of the drawings
Fig. 1 is that the present invention 485 reprints ripple meter-copy device hardware principle block diagram.
Fig. 2 is the application structure schematic diagram of meter register method of the present invention.
Fig. 3 is that meter register method 485 of the present invention is reprinted wave-path program flow diagram.
Embodiment
Below by embodiment, the invention will be further described.
Shown in Fig. 1, a kind of 485 reprint ripple meter-copy device, by low pressure carrier wave connection between load management terminal and data acquisition end, comprise RS485 interface 1, PLCI38 chip 2, MUC micro-control unit 3, infrared interface 4 and pilot lamp 5, above-mentioned RS485 interface 1, PLCI38 chip 2, MUC micro-control unit 3, infrared interface 4 and pilot lamp 5 adopt totally-enclosed encapsulation;
The meter reading instruction data message that RS485 interface 1 sends for receiving load management terminal, and the energy data information being converted to by MUC micro-control unit 3 is fed back to load management terminal, this RS485 interface is selected the SN65LBC184D of TI company, its inner integrated transient voltage resists, simultaneously to exceeding the (+30kV contact discharge of bus termination esd protection; + 15kV bubble-discharge; + 15 manikins), can bear peak value is 400W overvoltage transition, the message transmission rate in electrical noise environment is 250kbps, open failure protection receiver design, 1/4 unit load allows 128 devices to be connected to bus, and heat is closed protection, the low maximum 300 μ A of working current that forbid;
PLCI38 chip 2 is for being loaded into line of electric force by power carrier signal coupling, and receive the energy data that data acquisition end is passed back, this PLCI38 selects PLCI38-IV chip, its strong anti-interference ability, can bear the static discharge, high-level efficiency forward error correction, the rationally efficient compression algorithm that reach 4000V, farthest compressed packet, to improve ability to communicate and stability;
MUC control module 3 is converted to power carrier signal for the meter reading instruction data message that load management terminal is sent, and the power carrier signal that data acquisition end is passed back and energy data carry out agreement exchange, this MUC control module is stored the data that receive and change, this MUC control module selects MCU choosing to adopt the 8BIT position STM8S103F2 of ST, this MCU has the FLASH of built-in 4K as the program space, built-in 368Byte-RAM, inner house dog, has 1 serial port.
Shown in Fig. 2, Fig. 3, a kind of meter register method, comprise 485 reprinting ripple meter-copy devices 100, data acquisition unit and load management terminal 300 with carrier wave function, described 485 reprint ripple meter-copy device 100 is connected by low-voltage power line 400 with data acquisition unit 200, wherein data acquisition unit comprises the electric energy meter 210 of built-in carrier module and state is housed 485 ammeters 230 of netting II type collector 220, adopts DLT645-2007 multifunction electric meter communication protocol between load management terminal 300 and data acquisition unit.
Shown in Fig. 1, Fig. 2, the working routine of above-mentioned 485 carrier meter reading devices and meter register method is as follows:
By install 485 reprinting ripple meter-copy devices additional at original load management terminal, carry out data acquisition with regard to the electric energy meter that can realize disperseing, in figure in 1 except external 485 reprint ripples and copy device, all the other equipment are that electric power enterprise has been installed and at the equipment of fortune;
While checking meter, load management terminal 300 will copy reading meter reading instruction data message be converted to power carrier signal coupling by 485 reprinting ripple meter-copy devices 100 and be loaded on low-voltage power line 400, the electric energy meter 210 of following built-in carrier module receives after meter reading instruction by low-voltage power line with 485 ammeters 220 that state net II type collector is housed, by energy data again in power line carrier communication mode to load management terminal responsive feedback, last 485 reprint ripple meter-copy device receives the power carrier signal of data acquisition unit feedback and carries out protocol conversion, energy data is passed to load management terminal, complete the communication process of once checking meter.
Load management terminal is passed to main website by GPRS/CDMA radio channel or wired passage by energy data, complete whole data acquisition, 485 reprint ripple meter-copy devices at the scene in long-time running test, stable equipment operation, data acquisition success ratio reaches 100%, gets a desired effect.
Shown in Fig. 3, the meter reading procedure flow process of above-mentioned 485 carrier meter reading devices and meter register method is as follows:
485 reprint ripple meter-copy device 100 stores according to the up table issuing, start the copy reading that is fixed Data Identification to newly increasing table meter, by copy reading message repeating to line of electric force, after receiving message, state net II type collector 220 confirms, if correct format directly passes through 485 tables, if form is incorrect, directly lose and do not process, 485 tables receive after message, require to return correct message to state net II type collector 220 according to message, state net II type collector 220 is reprinted ripple meter-copy device 100 by message transmission to 485, 485 reprint ripple meter-copy device 100 stores the data that receive, complete a communication.
Above are only a specific embodiment of the present invention, but design concept of the present invention is not limited to this, allly utilizes this design to carry out the change of unsubstantiality to the present invention, all should belong to the behavior of invading protection domain of the present invention.
Claims (8)
1.485 reprint ripple meter-copy device, are connected between load management terminal and data acquisition end, it is characterized in that: comprise RS485 interface, PLCI38 chip, MUC micro-control unit;
The meter reading instruction data message that RS485 interface sends for receiving load management terminal, and the energy data information being converted to by MUC micro-control unit is fed back to load management terminal;
PLCI38 chip is used for power carrier signal coupling to be loaded into line of electric force, and receives the energy data that data acquisition end is passed back;
MUC control module is converted to power carrier signal for the meter reading instruction data message that load management terminal is sent, and the power carrier signal that data acquisition end is passed back and energy data carry out agreement exchange, this MUC control module is to receiving and the data of conversion are stored.
2. according to claim 1 485 reprint ripple meter-copy device, it is characterized in that: also comprise infrared interface and pilot lamp.
3. according to claim 1 and 2 485 reprint ripple meter-copy device, it is characterized in that: described RS485 interface, PLCI38 chip, MUC micro-control unit adopt totally-enclosed encapsulation.
4. according to claim 3 485 reprint ripple meter-copy devices, it is characterized in that: the FLASH that described MUC micro-control unit has a built-in 4K is as the program space, built-in 368Byte-RAM and have 1 serial port.
5. a meter register method, is characterized in that: comprise that 485 described in above-mentioned any one reprint ripple meter-copy devices, data acquisition unit and load management terminal with carrier wave function, described 485 reprint ripple meter-copy devices is connected by low-voltage power line with data acquisition unit;
Load management terminal will copy reading meter reading instruction data message be converted to power carrier signal coupling by 485 reprinting ripple meter-copy devices and be loaded on low-voltage power line;
Data acquisition unit with carrier wave function receives after meter reading instruction by low-voltage power line, by energy data again in power line carrier communication mode to load management terminal responsive feedback;
485 reprint ripple meter-copy device receives the power carrier signal of data acquisition unit feedback and carries out protocol conversion, and energy data is passed to load management terminal, completes the communication process of once checking meter.
6. meter register method according to claim 4, is characterized in that: the electric energy meter that described data acquisition unit is built-in carrier module.
7. according to meter register method claimed in claim 4, it is characterized in that: described data acquisition unit is 485 ammeters that state net II type collector is housed.
8. according to the meter register method described in claim 6 or 7, it is characterized in that: between load management terminal and data acquisition unit, adopt DLT645-2007 multifunction electric meter communication protocol.
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| CN201410058150.8A CN103839399A (en) | 2014-02-20 | 2014-02-20 | 485 conversion carrier wave meter reading device and meter reading method |
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| CN201410058150.8A CN103839399A (en) | 2014-02-20 | 2014-02-20 | 485 conversion carrier wave meter reading device and meter reading method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105491059A (en) * | 2015-12-29 | 2016-04-13 | 国网浙江省电力公司湖州供电公司 | Low-voltage electric power acquisition terminal and electric power data communication method |
| CN115497274A (en) * | 2022-08-31 | 2022-12-20 | 海南电网有限责任公司三亚供电局 | Transfer carrier multipoint remote meter reading device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2886715Y (en) * | 2005-12-23 | 2007-04-04 | 纳天集成电路(上海)有限公司 | Net bridge electric power meter |
| CN101335464A (en) * | 2008-07-02 | 2008-12-31 | 胡珏 | Integrated control system for electricity distributing and metering |
| US7844409B2 (en) * | 2009-01-29 | 2010-11-30 | Itron, Inc. | Filtering of meter reading data |
| CN201946098U (en) * | 2010-03-28 | 2011-08-24 | 内蒙古正安恒泰电力科技有限公司 | Card-free carrier type centralized prepayment reading and recording system |
| CN202042046U (en) * | 2010-12-17 | 2011-11-16 | 浙江顺舟电力高技术有限公司 | Multi-channel collector of power utilization information acquisition system |
| CN203165201U (en) * | 2013-02-21 | 2013-08-28 | 余佩芸 | Electricity utilization information data collector |
| CN203689678U (en) * | 2014-02-20 | 2014-07-02 | 国家电网公司 | 485 transfer wave meter reader |
-
2014
- 2014-02-20 CN CN201410058150.8A patent/CN103839399A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2886715Y (en) * | 2005-12-23 | 2007-04-04 | 纳天集成电路(上海)有限公司 | Net bridge electric power meter |
| CN101335464A (en) * | 2008-07-02 | 2008-12-31 | 胡珏 | Integrated control system for electricity distributing and metering |
| US7844409B2 (en) * | 2009-01-29 | 2010-11-30 | Itron, Inc. | Filtering of meter reading data |
| CN201946098U (en) * | 2010-03-28 | 2011-08-24 | 内蒙古正安恒泰电力科技有限公司 | Card-free carrier type centralized prepayment reading and recording system |
| CN202042046U (en) * | 2010-12-17 | 2011-11-16 | 浙江顺舟电力高技术有限公司 | Multi-channel collector of power utilization information acquisition system |
| CN203165201U (en) * | 2013-02-21 | 2013-08-28 | 余佩芸 | Electricity utilization information data collector |
| CN203689678U (en) * | 2014-02-20 | 2014-07-02 | 国家电网公司 | 485 transfer wave meter reader |
Non-Patent Citations (1)
| Title |
|---|
| 陶维青等: "基于智能中继技术的低压载波自动抄表系统实现", 《电测与仪表》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105491059A (en) * | 2015-12-29 | 2016-04-13 | 国网浙江省电力公司湖州供电公司 | Low-voltage electric power acquisition terminal and electric power data communication method |
| CN105491059B (en) * | 2015-12-29 | 2019-02-01 | 国网浙江省电力公司湖州供电公司 | A kind of low-voltage power acquisition terminal and electric power data communication means |
| CN115497274A (en) * | 2022-08-31 | 2022-12-20 | 海南电网有限责任公司三亚供电局 | Transfer carrier multipoint remote meter reading device |
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