CN106683390A - Household photovoltaic energy-storage inverter and electric energy meter communication system - Google Patents
Household photovoltaic energy-storage inverter and electric energy meter communication system Download PDFInfo
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- CN106683390A CN106683390A CN201710047805.5A CN201710047805A CN106683390A CN 106683390 A CN106683390 A CN 106683390A CN 201710047805 A CN201710047805 A CN 201710047805A CN 106683390 A CN106683390 A CN 106683390A
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- power
- electric energy
- energy meter
- communication module
- carrier communication
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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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- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a household photovoltaic energy-storage inverter and electric energy meter communication system, comprising a household photovoltaic energy-storage inverter, an electric energy meter, a first power carrier communication module and a second power carrier communication module; the power carrier modules are added between the household photovoltaic energy-storage inverter and the electric energy meter, the electric energy meter transmits acquired signal quantities to the household photovoltaic energy-storage inverter through the power carrier modules and power lines, the signal quantities participate in system control to achieve the functions of the system, such as self-generation for self-use and zero network feed, data of the electric energy meter is acquired in real time through the power lines instead of traditional dedicated communication lines, the self-generation self-use mode and zero power network feed application mode are achieved for a household photovoltaic energy-storage system, and the household photovoltaic energy-storage system is convenient to install, lower in cost and easy to maintain.
Description
Technical field
The invention belongs to photovoltaic energy storage inverter technology field, it is related to a kind of family photovoltaic energy-storage system, it is specifically a kind of
Family photovoltaic energy storage inverter and the communication system of electric energy meter.
Background technology
Family photovoltaic energy storage inverter has grid-connected and off-network function, at the same have generate power for their own use, timing discharge and recharge, zero power
The application models such as rate feedback net, therefore photovoltaic energy storage inverter is applied to various applied environments, in order that family photovoltaic energy storage inversion
Device possesses generates power for their own use and zero energy feedback net application model between load and power network, it is necessary to install bidirectional electric energy gauge table, real
When detection energy-storage system to power network feed power or the size from power network draw power, and will detect data pass through communication modes
It is sent to family photovoltaic energy storage inverter to participate in calculating control, with the application model for realizing generating power for their own use with zero energy feedback net.
As shown in figure 1, traditional family with more than the communication modes between photovoltaic energy storage inverter and electric energy meter using special
Communicated with communication line, when the system of carrying out is installed, it is necessary to extra laying special communication circuit, for what is decorate
For domestic consumer, it is necessary to rewiring, workload is big and cumbersome.
Therefore, using power carrier communication mode, it is possible to use original electric power cable substitutes special communication circuit as logical
News medium, without extra laying special communication circuit, cost-effective, wiring is convenient, it is easy to safeguard, safe and reliable.
The content of the invention
It is an object of the invention to provide one kind family between photovoltaic energy storage inverter and electric energy meter use electric power
The communication system of carrier wave communication technology, solves photovoltaic energy storage inverter and electric energy meter in existing family photovoltaic energy-storage system
Communication modes exist wiring hardly possible, high cost, be difficult maintenance issues.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of family photovoltaic energy storage inverter and the communication system of electric energy meter, including family photovoltaic energy storage inverter,
Electric energy meter, the first power carrier communication module and the second power carrier communication module；
The first power carrier communication module and the second power carrier communication module include power supply interface, carrier wave
Converter, ACDC modular power sources and RS485 communication interfaces；
The family connects the second power carrier communication module with the control mainboard of photovoltaic energy storage inverter by serial ports
RS485 interfaces；
The power supply interface of the second power carrier communication module connects the first power carrier and leads to by power circuit
Interrogate the power supply interface of module；
The electric energy meter connects the RS485 interfaces of the first power carrier communication module by serial ports.
Further, the second power carrier communication module is arranged on family with photovoltaic energy storage inverter, and described first
Power carrier communication module is arranged on electric energy meter side.
Further, the electric energy meter is arranged on the position between load and power network, and passes through power line with power network
Connection, the electric energy meter has bidirectional measuring function.
Beneficial effects of the present invention：One kind that the present invention is provided is at family between photovoltaic energy storage inverter and electric energy meter
Using the communication system of power carrier communication technology, conventional dedicated connection, Real-time Collection electric energy meter are replaced with power line
Data, realize family photovoltaic energy-storage system generate power for their own use and zero energy feedback net application model so that family photovoltaic energy storage system
System is easy for installation, cost-effective, it is easy to safeguard.
Brief description of the drawings
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is that traditional family photovoltaic energy storage inverter communicates schematic diagram with electric energy meter.
Fig. 2 is that photovoltaic energy storage inverter in family of the present invention communicates schematic diagram with electric energy meter.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is all other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in Fig. 2 the invention provides a kind of family photovoltaic energy storage inverter and the communication system of electric energy meter, bag
Include family photovoltaic energy storage inverter, electric energy meter, the first power carrier communication module and the second power carrier communication module.
First power carrier communication module and the second power carrier communication module include power supply interface, wave conversion
Device, ACDC modular power sources and RS485 communication interfaces.
Second power carrier communication module is arranged on family with photovoltaic energy storage inverter, the family control of photovoltaic energy storage inverter
Mainboard processed passes through the RS485 interfaces that serial ports connects the second power carrier communication module, and family is with the control master of photovoltaic energy storage inverter
Plate passes through serial data and the second power carrier communication module communication.
The power supply interface of the second power carrier communication module connects the first power carrier communication mould by power circuit
The power supply interface of block, realizes that transparent data transfer is communicated, and data transfer is unrelated with User Agreement.
First power carrier communication module is arranged on electric energy meter side, and electric energy meter connects the first electricity by serial ports
The RS485 interfaces of power carrier communication module, the first power carrier communication module is communicated by serial data with electric energy meter.
Electric energy meter is arranged on the position between load and power network, and is connected by power line with power network, electric energy metrical
Table has bidirectional measuring function, can in real time measure watt level and direction at electric energy meter.
First power carrier communication module and the second power carrier communication module are provided with the function of receiving and send, module
The data received from RS485 ports are encoded, shaping is converted to carrier signal after driving, are sent via power line,
Or after module is by treatment such as the carrier signal frequency-selecting extraction on power line, signal amplification, digital filtering, carrier wave decodings, change
For the data that serial ports is received, the communication between family energy storage inverter and electric energy meter is realized.
The present invention uses power carrier communication mode, with power line as data communication medium, realizes family energy storage inverter
Data transfer between electric energy meter, family is with the control mainboard of photovoltaic energy storage inverter by serial ports to the second power carrier
Module send read electric energy meter data signal instruction, the rs 232 serial interface signal that the second power line carrier module will be received instruct into
Row is encoded to carrier signal instruction, is sent on power line, and the first power line carrier module carries out decoding and turns to carrier signal instruction
Rs 232 serial interface signal instruction is changed to, electric energy meter is sent to by serial ports, after electric energy meter receives readout data signal instruction,
Data feedback is carried out, the signal that will be loaded with feedback data passes sequentially through the first power carrier communication module, power line, the second electric power
Carrier communication module is sent to the control mainboard of family photovoltaic energy storage inverter, completes a complete family photovoltaic energy storage inverter
Data transfer between electric energy meter is interacted.
The present invention provide it is a kind of at family with using power carrier communication between photovoltaic energy storage inverter and electric energy meter
The communication system of technology, conventional dedicated connection is replaced with power line, and the data of Real-time Collection electric energy meter realize that family is used up
Volt energy-storage system is generated power for their own use and zero energy feedback net application model so that family photovoltaic energy-storage system is easy for installation, save into
This, it is easy to safeguard.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Specific features, structure, material or the feature described with reference to the embodiment or example are contained at least one implementation of the invention
In example or example.In this manual, the schematic representation to above-mentioned term is not necessarily referring to identical embodiment or example.
And, the specific features of description, structure, material or feature can be in one or more any embodiments or example closing
Suitable mode is combined.
Above content is only to structure example of the present invention and explanation, affiliated those skilled in the art couple
Described specific embodiment is made various modifications or supplement or is substituted using similar mode, without departing from invention
Structure surmounts scope defined in the claims, all should belong to protection scope of the present invention.
Claims (3)
1. a kind of family communication system of photovoltaic energy storage inverter and electric energy meter, it is characterised in that：Stored up with photovoltaic including family
Can inverter, electric energy meter, the first power carrier communication module and the second power carrier communication module；
The first power carrier communication module and the second power carrier communication module include power supply interface, wave conversion
Device, ACDC modular power sources and RS485 communication interfaces；
The control mainboard of the family photovoltaic energy storage inverter is connect by the RS485 that serial ports connects the second power carrier communication module
Mouthful；
The power supply interface of the second power carrier communication module connects the first power carrier communication mould by power circuit
The power supply interface of block；
The electric energy meter connects the RS485 interfaces of the first power carrier communication module by serial ports.
2. a kind of family according to claim 1 communication system of photovoltaic energy storage inverter and electric energy meter, its feature
It is：The second power carrier communication module is arranged on family with photovoltaic energy storage inverter, first power carrier communication
Module is arranged on electric energy meter side.
3. a kind of family according to claim 1 communication system of photovoltaic energy storage inverter and electric energy meter, its feature
It is：The electric energy meter is arranged on the position between load and power network, and is connected by power line with power network, the electric energy
Gauge table has bidirectional measuring function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710047805.5A CN106683390A (en) | 2017-01-20 | 2017-01-20 | Household photovoltaic energy-storage inverter and electric energy meter communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710047805.5A CN106683390A (en) | 2017-01-20 | 2017-01-20 | Household photovoltaic energy-storage inverter and electric energy meter communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106683390A true CN106683390A (en) | 2017-05-17 |
Family
ID=58859638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710047805.5A Pending CN106683390A (en) | 2017-01-20 | 2017-01-20 | Household photovoltaic energy-storage inverter and electric energy meter communication system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106683390A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108181534A (en) * | 2018-01-24 | 2018-06-19 | 宁波大家小家网络科技有限公司 | A kind of method and system of hair electroanalysis fully surfed the Internet for photovoltaic generation |
| CN113746131A (en) * | 2021-08-06 | 2021-12-03 | 万帮数字能源股份有限公司 | Inverter parallel system and zero feed network control method thereof |
Citations (5)
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| CN103178612A (en) * | 2011-12-23 | 2013-06-26 | 上海艾能电力工程有限公司 | Data processor of photovoltaic transformer substations |
| CN203537041U (en) * | 2013-09-24 | 2014-04-09 | 厦门蓝溪科技有限公司 | Distributed photovoltaic power generation and storage system |
| CN203933136U (en) * | 2014-02-21 | 2014-11-05 | 沃太能源南通有限公司 | Novel household energy-storage system controller |
| CN205489679U (en) * | 2016-03-17 | 2016-08-17 | 北京中电飞华通信股份有限公司 | Family is with little grid system based on energy management of family |
| JP2016174227A (en) * | 2015-03-16 | 2016-09-29 | 株式会社東芝 | System for determining application of power line carrier communication |
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2017
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Patent Citations (5)
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|---|---|---|---|---|
| CN103178612A (en) * | 2011-12-23 | 2013-06-26 | 上海艾能电力工程有限公司 | Data processor of photovoltaic transformer substations |
| CN203537041U (en) * | 2013-09-24 | 2014-04-09 | 厦门蓝溪科技有限公司 | Distributed photovoltaic power generation and storage system |
| CN203933136U (en) * | 2014-02-21 | 2014-11-05 | 沃太能源南通有限公司 | Novel household energy-storage system controller |
| JP2016174227A (en) * | 2015-03-16 | 2016-09-29 | 株式会社東芝 | System for determining application of power line carrier communication |
| CN205489679U (en) * | 2016-03-17 | 2016-08-17 | 北京中电飞华通信股份有限公司 | Family is with little grid system based on energy management of family |
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| 高瑾等: "基于电力线载波通信技术的微型逆变器监控系统设计研究", 《云南师范大学学报(自然科学版)》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108181534A (en) * | 2018-01-24 | 2018-06-19 | 宁波大家小家网络科技有限公司 | A kind of method and system of hair electroanalysis fully surfed the Internet for photovoltaic generation |
| CN108181534B (en) * | 2018-01-24 | 2023-09-29 | 宁波大家小家网络科技有限公司 | Power generation analysis method and system for photovoltaic power generation full-amount internet surfing |
| CN113746131A (en) * | 2021-08-06 | 2021-12-03 | 万帮数字能源股份有限公司 | Inverter parallel system and zero feed network control method thereof |
| CN113746131B (en) * | 2021-08-06 | 2023-11-03 | 万帮数字能源股份有限公司 | Inverter parallel system and zero feed network control method thereof |
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Application publication date: 20170517 |