CN202330487U - Intelligent ammeter applied to solar distributed grid-connected system - Google Patents
Intelligent ammeter applied to solar distributed grid-connected system Download PDFInfo
- Publication number
- CN202330487U CN202330487U CN2011203348850U CN201120334885U CN202330487U CN 202330487 U CN202330487 U CN 202330487U CN 2011203348850 U CN2011203348850 U CN 2011203348850U CN 201120334885 U CN201120334885 U CN 201120334885U CN 202330487 U CN202330487 U CN 202330487U
- Authority
- CN
- China
- Prior art keywords
- intelligent electric
- electric meter
- module
- inverter
- solar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004891 communication Methods 0.000 claims abstract description 35
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 230000006870 function Effects 0.000 description 9
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Images
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Inverter Devices (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The utility model relates to an intelligent ammeter applied to a solar distributed grid-connected system. The intelligent ammeter can measure the electric energy of a solar power generating system, and can be communicated with grid-connected inverters in the system by a multiplex alternating-current bus in a manner of power line carrier communication, so that the working state of the inverters is acquired and can be controlled. The intelligent ammeter can also be accessed to Internet in such modes as GPRS (General Packet Radio Service), Ethernet, WIFI (Wireless Local Area Network) and the like, and can send real-time monitoring data of the intelligent ammeter and the system to a server; a user can visit the server by Internet, so that the real-time monitoring for the solar power generating system is achieved, and the historical data is inquired.
Description
Technical field
The utility model relates to a kind of intelligent electric meter that is applied to the distributed solar grid-connected system.
Background technology
Over nearly 30 years, solar utilization technique at technical research, commercially produce, all obtained tremendous development aspect the market development, become fast, one of the new industry of stable development.Along with the application popularization of solar power system, especially after the subsidy policy of country's issue to the sun power rate for incorporation into the power network, the electric energy that solar power system is fed to electrical network needs accurate measurement; Simultaneously, to the small-sized solar distributed generation system that is used for the dwelling house roof, each inverter state and part control function in the user inquiring system need be provided.Traditional electric energy meter does not possess the inverter function in the monitoring distributed system, needs communication controler of extra increase with the inverter in inquiry and the control system usually.
The utility model has increased inverter state inquiry that is applicable in the distributed solar grid-connected system and the function of controlling on traditional intelligent electric meter.
The utility model content
For realizing above-mentioned functions, the technical scheme that the utility model provides is:
A kind of novel intelligent ammeter that is applied to the distributed solar grid-connected inverting system; On the intelligent electric meter of traditional function; Increase with system in the inverter function of communicating by letter, make this intelligent electric meter can obtain the duty of each inverter, and can control it.Intelligent electric meter also can report system and inverter state in the long-range server in several ways, can be the query function that the client realizes real-time information and historical information.
Said intelligent electric meter comprises microprocessor, metering module, human-machine interface module, data memory module, uplink communication module, downlink communication module, electric brake control and power module.Said microprocessor is used for the data processing of entire equipment and control.Said metering module is used to gather the voltage of electrical network, electric current, metering electric weight etc.Said human-machine interface module is used for display system information, receives the user and operates input.Said data memory module is used to write down the historical data of electric energy metrical, unusual condition information etc.Said power module produces direct supply and uses with supply equipment.Said electric brake control can be closed electrical network when being necessary and connected.Said downlink communication module is through the power line carrier mode; Be added to communication data on the line of electric force with the communication carrier signal of high frequency; Communicate with the combining inverter in the solar power system; The real-time information that can gather inverter through this communication mode, the generated output of each cell panel for example, malfunction etc.; Through power line carrier communication, said downlink communication module can be operated combining inverter, parameter configuration for example, operations such as the start and stop of inverter.Said uplink communication module is the module with the web server communication; Can be one or more communication modules in GPRS wireless transmission, Ethernet interface, the WIFI communication; But be not limited only to above-mentioned several kinds of communication modes, the web server that can the monitor data of total system be transferred to far-end carries out data storage.
Described web server can provide the stores service of monitor data, and the web page browsing service is provided, and supplies long-distance user's real time inquiry system state, perhaps checks historical data.
The utility model has increased the communication interface that is used for the distributed solar combining inverter on existing intelligent electric meter, be used to monitor the state of solar power system, and can operate each combining inverter.Web server in the system can be stored monitor data, visits real time data or historical data for the remote client.
The clear superiority that the utility model brings for the distributed solar energy grid-connected system is: the integrated metering and the monitoring function of system, and provide friendly user capture form to come the running status of supervisory system.
Description of drawings
Fig. 1 is the applied distributed solar grid-connected system of a utility model block diagram.
Fig. 2 is the internal hardware structural representation of the utility model.
Concrete implementation
A kind of distributed solar grid-connected system block diagram shown in Figure 1; Comprise a plurality of solar panels (1) in the native system; Each solar panel uses an inverter (2) to change into alternating current with the direct current with said solar panel (1), and (4) are connected to the grid; System inserts the preceding described intelligent electric meter of the utility model (3) that is equipped with of electrical network (4); Intelligent electric meter (3) can be linked into internet (6) in several ways: the mode through GPRS network inserts internet (6), perhaps is linked into internet (6) through Ethernet or WIFI through router (7); Intelligent electric meter (3) can be added to signal of communication on the AC bus (9) with high-frequency mode, and the communication information is sent to each inverter (2) in the system; Said inverter (2) can receive and return the communication information through said AC bus (9) and give said intelligent electric meter (3); Said intelligent electric meter (3) comprises the information of each inverter (3) in the system with the system information that collects, and the measured out of Memory such as electric energy of intelligent electric meter (3), sends to web server (5) through internet (6); Remote client (8) can use through said internet (6) and have access to said web server (5), and then observes system's real-time information or historical information that said intelligent electric meter (3) is collected.
Shown in Figure 2 is the internal hardware structural representation of the utility model; By metering module (31), microprocessor (32), uplink communication module (33), electric brake control (34), human-machine interface module (35); Data memory module (36), downlink communication module (37) and power module constitute (38).Said metering module (31) is used to measure the information of the AC bus (9) of solar power system, comprises voltage, electric current, generated energy etc.; Said microprocessor (32) is realized control to whole intelligent electric meter equipment, metering, functions such as communication; Said electric brake control (34) can be turn-offed the AC bus (9) of solar power system and the physical connection between the external electrical network (4) when being necessary, ensures the safety in the time of maintenance; Said human-machine interface module (35) is made up of display (351) and input equipment (352); The user can pass through input equipment (352) to microprocessor (32) input command, and microprocessor (32) can be gone up the state of the inverter (2) in the solar power system that shows metrical information and monitor at display (351); Said data memory module (36) is used to store the measured system information of intelligent electric meter in a period of time, register system abnormal conditions etc.; Said downlink communication module (37) is to be made up of carrier communication interface (371), communicates through all inverters in power line carrier communication mode and the system; The concrete realization is that carrier signal with high frequency is added on the AC bus (9), realizes communicating by letter saving communication line, simplified system installation between intelligent electric meter (3) and the inverter (2) through multiplexing AC bus (9); Said uplink communication module (33) is used to realize that intelligent electric meter (3) equipment is linked into the connection of internet (6), and concrete realization can be passed through GPRS wireless transport module (331), Ethernet interface (332), WIFI communicate by letter (333) or some other access way; Said power module (38) is to be used to produce the direct supply supply equipment use.
Claims (5)
1. intelligent electric meter that is applied to the distributed solar grid-connected system; It is characterized in that: comprise a plurality of solar panels (1) in the said solar grid-connected inversion system; Each solar panel (1) uses an inverter (2) to change into alternating current with the direct current with said solar panel (1), and (4) are connected to the grid; Said intelligent electric meter (3) is used for the metering system electric weight, and signal of communication is added on the AC bus (9) with high-frequency mode, is used for communicating with each inverter (2), detects the duty and the control corresponding of each inverter (2); Said intelligent electric meter (3) can be delivered to storage in the web server (5) with the system information that collects through internet (6); Remote client (8) can have access to web server (5) through internet (6), arrives the data and the historical data of each inverter (2) in intelligent electric meter (3) and the system with real time access.
2. intelligent electric meter according to claim 1 is characterized in that: said intelligent electric meter (3) can also communicate through internet (6) and web server (5), sends the real time data of system to server and stores.
3. intelligent electric meter according to claim 1; It is characterized in that: said intelligent electric meter (3) is by metering module (31), microprocessor (32), uplink communication module (33); Electric brake control (34); Human-machine interface module (35), data memory module (36), downlink communication module (37) and power module (38) constitute.
4. intelligent electric meter according to claim 3 (3) is characterized in that: said downlink communication module (37) communicates through all inverters in power line carrier communication mode and the system; The concrete realization is that carrier signal with high frequency is added on the AC bus (9), realizes communicating by letter between intelligent electric meter (3) and the inverter (2) through multiplexing AC bus (9), need not extra communication line.
5. intelligent electric meter according to claim 3 (3); It is characterized in that: said uplink communication module (33) is used to realize that intelligent electric meter (3) equipment is linked into the connection of internet (6); Concrete realization can be passed through GPRS wireless transport module (331), Ethernet interface (332) or WIFI communication (333).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203348850U CN202330487U (en) | 2011-09-07 | 2011-09-07 | Intelligent ammeter applied to solar distributed grid-connected system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203348850U CN202330487U (en) | 2011-09-07 | 2011-09-07 | Intelligent ammeter applied to solar distributed grid-connected system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202330487U true CN202330487U (en) | 2012-07-11 |
Family
ID=46442463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203348850U Expired - Lifetime CN202330487U (en) | 2011-09-07 | 2011-09-07 | Intelligent ammeter applied to solar distributed grid-connected system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202330487U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107722A (en) * | 2013-01-15 | 2013-05-15 | 王凡 | Monitoring and control method of photovoltaic micro-inverter |
| CN103178542A (en) * | 2013-03-12 | 2013-06-26 | 南京南瑞太阳能科技有限公司 | Distributed power grid-connection interface system and control method thereof |
| CN103499955A (en) * | 2013-09-25 | 2014-01-08 | 东莞市盛扬实业有限公司 | Remote control and data analysis system of photovoltaic grid-connected inverters |
| CN103595067A (en) * | 2013-11-03 | 2014-02-19 | 苏州快可光电科技有限公司 | Distributed power generation system with safety control |
| CN103870579A (en) * | 2014-03-24 | 2014-06-18 | 浙江昱能科技有限公司 | Distributed power generation system and operating data providing system thereof |
| CN103887880A (en) * | 2014-03-26 | 2014-06-25 | 浙江昱能科技有限公司 | Distributed power generation system and remote monitoring system thereof |
| CN104577774A (en) * | 2015-02-02 | 2015-04-29 | 厦门市东港智能科技有限公司 | Photovoltaic metering cabinet |
| WO2015120729A1 (en) * | 2014-02-14 | 2015-08-20 | 瑞斯康微电子（深圳）有限公司 | Photovoltaic inverter power carrier communications system |
| CN105336014A (en) * | 2014-08-12 | 2016-02-17 | 国家电网公司 | Distributed photovoltaic settlement monitoring display terminal |
| CN105610773A (en) * | 2015-09-17 | 2016-05-25 | 浙江瑞银电子有限公司 | Communication encryption method of electric energy meter remote meter reading |
| CN105894774A (en) * | 2016-04-20 | 2016-08-24 | 蔡文果 | Meter reading method, device and system |
| CN107612040A (en) * | 2017-11-17 | 2018-01-19 | 国网河南省电力公司武陟县供电公司 | Photovoltaic generation exchanges grid connection box safety device |
| CN110286266A (en) * | 2019-07-16 | 2019-09-27 | 灏翰创科有限公司 | Intelligent integrated ammeter and the solar panel system for using the intelligent integrated ammeter |
-
2011
- 2011-09-07 CN CN2011203348850U patent/CN202330487U/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107722A (en) * | 2013-01-15 | 2013-05-15 | 王凡 | Monitoring and control method of photovoltaic micro-inverter |
| CN103178542B (en) * | 2013-03-12 | 2015-05-13 | 南京南瑞太阳能科技有限公司 | Control method of distributed power grid-connection interface system |
| CN103178542A (en) * | 2013-03-12 | 2013-06-26 | 南京南瑞太阳能科技有限公司 | Distributed power grid-connection interface system and control method thereof |
| CN103499955A (en) * | 2013-09-25 | 2014-01-08 | 东莞市盛扬实业有限公司 | Remote control and data analysis system of photovoltaic grid-connected inverters |
| CN103595067A (en) * | 2013-11-03 | 2014-02-19 | 苏州快可光电科技有限公司 | Distributed power generation system with safety control |
| WO2015120729A1 (en) * | 2014-02-14 | 2015-08-20 | 瑞斯康微电子（深圳）有限公司 | Photovoltaic inverter power carrier communications system |
| CN103870579A (en) * | 2014-03-24 | 2014-06-18 | 浙江昱能科技有限公司 | Distributed power generation system and operating data providing system thereof |
| CN103887880A (en) * | 2014-03-26 | 2014-06-25 | 浙江昱能科技有限公司 | Distributed power generation system and remote monitoring system thereof |
| CN103887880B (en) * | 2014-03-26 | 2016-05-18 | 浙江昱能科技有限公司 | Distributed generation system and long distance control system thereof |
| CN105336014A (en) * | 2014-08-12 | 2016-02-17 | 国家电网公司 | Distributed photovoltaic settlement monitoring display terminal |
| CN104577774A (en) * | 2015-02-02 | 2015-04-29 | 厦门市东港智能科技有限公司 | Photovoltaic metering cabinet |
| CN105610773A (en) * | 2015-09-17 | 2016-05-25 | 浙江瑞银电子有限公司 | Communication encryption method of electric energy meter remote meter reading |
| CN105610773B (en) * | 2015-09-17 | 2018-12-14 | 浙江瑞银电子有限公司 | A kind of communication encryption method of electric energy meter remote meter reading |
| CN105894774A (en) * | 2016-04-20 | 2016-08-24 | 蔡文果 | Meter reading method, device and system |
| CN107612040A (en) * | 2017-11-17 | 2018-01-19 | 国网河南省电力公司武陟县供电公司 | Photovoltaic generation exchanges grid connection box safety device |
| CN110286266A (en) * | 2019-07-16 | 2019-09-27 | 灏翰创科有限公司 | Intelligent integrated ammeter and the solar panel system for using the intelligent integrated ammeter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202330487U (en) | Intelligent ammeter applied to solar distributed grid-connected system | |
| CN103269070B (en) | Automatic demand response system and automatic demand response method | |
| CN202443306U (en) | Intelligent energy efficiency integrated monitoring and management system for building | |
| CN105471109A (en) | Intelligent power consumption management system facing household wind and solar energy mutual-complementing power station and management method thereof | |
| CN103595136A (en) | Energy management system of micro-grid | |
| CN203491973U (en) | System for measuring generation power of photovoltaic assemblies | |
| CN202587030U (en) | GPRS-based photovoltaic power generation remote monitoring device | |
| CN202340124U (en) | Small intelligent bidirectional self-adaptive photovoltaic grid-connected power generation system | |
| CN102394512A (en) | Power supply and power utilization management system | |
| CN107834595A (en) | A kind of solar energy based on less radio-frequency and wind energy complementary electric power system and its method of work | |
| CN102208825B (en) | Solar photovoltaic power generation system with energy networking function | |
| CN104242433A (en) | Energy management system for mixed energy source power station | |
| CN203261032U (en) | Source network load interaction running-based integrated microgrid controller | |
| CN103454518A (en) | Energy acquisition terminal | |
| CN203014495U (en) | Intelligent electricity using communication platform system | |
| CN207731116U (en) | A kind of family electric energy collection device | |
| CN203104336U (en) | Photovoltaic power generation system | |
| CN202046767U (en) | Elevator direct-current microgrid energy management system | |
| CN203632596U (en) | Energy storage system based on inverter | |
| CN210955469U (en) | Novel wireless self-organizing meter reading control device for water-gas-electricity three-meter | |
| CN203632339U (en) | Residential solar photovoltaic power supply device | |
| CN103023151B (en) | Intelligent power consumption communication platform system | |
| CN207572989U (en) | A kind of solar energy based on less radio-frequency and wind energy complementary electric power system | |
| CN207380505U (en) | Home energy source management controls smart host | |
| Krishnan et al. | Distributed generation grid infrastructure using smart meters modeled with renewable energy sources and power trading |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Patent of Shanghai core electronic technology Co.,Ltd. The person in charge Document name: Notice of expiration and termination of patent right |