CN104135537A - Method and system for monitoring photovoltaic inverter by using embedded WEB server - Google Patents
Method and system for monitoring photovoltaic inverter by using embedded WEB server Download PDFInfo
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- CN104135537A CN104135537A CN201410403298.0A CN201410403298A CN104135537A CN 104135537 A CN104135537 A CN 104135537A CN 201410403298 A CN201410403298 A CN 201410403298A CN 104135537 A CN104135537 A CN 104135537A
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Abstract
Te invention provides a method and system for monitoring a photovoltaic inverter by using an embedded WEB server. The system comprises an inverter monitoring module which comprises a physical internet access, an operation system, the embedded WEB server, a data interaction module and a main application process module. The method and system for monitoring the photovoltaic inverter by using the embedded WEB server have the advantages that compared with a traditional inverter monitoring scheme, the functions of parameter setting of the solar inverter, operation state monitoring, fault warming and the like can be achieved without additionally building a monitoring system, and the method and system are especially suitable for distributed photovoltaic electricity generation monitoring, the function of monitoring the traditional photovoltaic inverter is achieved without any investment, networking is achieved, and user friendliness is achieved.
Description
Technical field
The present invention relates to solar inverter field, relate in particular to the method and system of using flush type WEB server monitoring photovoltaic DC-to-AC converter.
Background technology
Solar energy power generating is at present divided from application scale, can be divided into power station level photovoltaic (on a large scale concentrate grid-connected) and two kinds of the distributed photovoltaics of generating power for their own use, the extensive its own advantages that generated electricity by way of merging two or more grid systems of concentrating, as high in scale and benefit, convenient management, but build at great abundance of sunshine, cell panel laid remote districts easily more, and will be near transmission line, deliver power to economically developed area, integrated cost is high, and electric power course of conveying is also lossy, take transmission line capacity etc.The distributed photovoltaic power station of generating power for their own use does not need extensive investment, and the electric energy of production consumes on the spot, is convenient to promote, and has very large development space.
No matter which kind of is applied, and is all necessary the running status of each electrification component to monitor, to guarantee each component safety, effective, stable operation.Power station level photovoltaic generally all has Concentrated Monitoring and Control System, complete whole power station generating equipment, the remote measurement of surrounding enviroment, remote signalling, remote regulating, distant control function, need power station operator construction to comprise data communication cabinet, master control data center and fiber optic network etc., invest hugely, engineering is complicated.Distributed photovoltaic power generation small scale, cost sensitivity, client is generally reluctant to inject capital into and carries out power generation monitoring system construction, industry general approach is that each distributed power station is equipped with a data acquisition box at present, the device datas such as inverter are come up by communication mode collections such as RS485, and upload to the self-built data center of monitor service business by internet.Client accesses this data center by internet and obtains corresponding data.This kind of scheme compared power station level photovoltaic supervisory control system investment and significantly reduced, but also relate to the actions such as the laying of RS485 communication line, engineering uniting and adjustment, because distributed photovoltaic is generally built in residential block or plant area, cabling need to be coordinated in many ways, more loaded down with trivial details time-consuming, the laying of connection also affects the attractive in appearance of building.
Summary of the invention
In order to solve the problems of the prior art, the invention provides a kind of system of using flush type WEB server monitoring photovoltaic DC-to-AC converter.
The invention provides a kind of system of using flush type WEB server monitoring photovoltaic DC-to-AC converter, comprise monitoring inverter module, described monitoring inverter module comprises physical internet ports, operating system, flush type WEB server, data interaction module, main application process module;
Described physical internet ports is used to monitoring inverter module access internet that physical channel is provided;
Described operating system is used to flush type WEB server that the support of bottom ICP/IP protocol interface is provided, and for main application process module provides bottom layer driving interface, file system interface, and provides platform support for the operation of flush type WEB server and main application process;
Described flush type WEB server is used for responding remote browser HTTP request, by data interaction module, communicate by letter with main application process, main application process response data interactive module communication instruction, result is returned to flush type WEB server, and flush type WEB server generates html page by result and returns to remote browser;
Described data interaction module is for realizing the data communication between flush type WEB server and main application process, and described data interaction module is a dynamic link library, during by flush type WEB server initialization, loads.
As a further improvement on the present invention, described physical internet ports comprises Industrial Ethernet or WIFI wireless module, and described operating system is linux operating system.
As a further improvement on the present invention, described flush type WEB server carries out data interaction by C function interface and described data interaction module.
As a further improvement on the present invention, when described data interaction module provides C function interface to generate html page for flush type WEB server, call, described data interaction module is communicated by letter with main application process by socket socket.
As a further improvement on the present invention, the monitoring main program that described main application process is monitoring inverter module, provides data acquisition, background communication, alarming processing, control processing, data storage, man-machine interface application function.
The present invention also provides a kind of method of using flush type WEB server monitoring photovoltaic DC-to-AC converter, comprises the steps:
The HTTP request of operating system receiving remote browser, and this HTTP request is sent to flush type WEB server;
Flush type WEB server response remote browser HTTP request, communicates by letter with main application process by data interaction module;
Main application process response data interactive module communication instruction, returns to flush type WEB server by result, and flush type WEB server generates html page by result and returns to remote browser.
As a further improvement on the present invention, described operating system is linux operating system.
As a further improvement on the present invention, when described data interaction module provides C function interface to generate html page for flush type WEB server, call, described data interaction module is communicated by letter with main application process by socket socket.
As a further improvement on the present invention, the monitoring main program that described main application process is monitoring inverter module, provides data acquisition, background communication, alarming processing, control processing, data storage, man-machine interface application function.
As a further improvement on the present invention, described flush type WEB server comprises WEB function pages, and described WEB function pages comprises the parameter configuration page, the real time data page, controls the page, the user management page and the version information page.
The invention has the beneficial effects as follows: the present invention compares conventional inverter monitoring scheme, do not need additionally to build supervisory control system, just can complete the functions such as parameter setting to solar inverter, running state monitoring, fault warning, be particularly suitable for distributed photovoltaic power generation monitoring demand.Superiority of the present invention can be summarized as: zero investment realizes conventional photovoltaic monitoring inverter function, networking, user friendly.
Accompanying drawing explanation
Fig. 1 is system principle diagram of the present invention;
Fig. 2 is method flow diagram of the present invention.
Embodiment
As shown in Figure 1, the invention discloses a kind of system of using flush type WEB server monitoring photovoltaic DC-to-AC converter, comprise monitoring inverter module, described monitoring inverter module comprises physical internet ports, operating system, flush type WEB server, data interaction module, main application process module;
Described physical internet ports is used to monitoring inverter module access internet that physical channel is provided;
Described operating system is used to flush type WEB server that the support of bottom ICP/IP protocol interface is provided, and for main application process module provides bottom layer driving interface, file system interface, and provides platform support for the operation of flush type WEB server and main application process;
Described flush type WEB server is used for responding remote browser HTTP request, by data interaction module, communicate by letter with main application process, main application process response data interactive module communication instruction, result is returned to flush type WEB server, and flush type WEB server generates html page by result and returns to remote browser;
Described data interaction module is for realizing the data communication between flush type WEB server and main application process, and described data interaction module is a dynamic link library, during by flush type WEB server initialization, loads.
Described physical internet ports comprises Industrial Ethernet or WIFI wireless module, and described operating system is linux operating system.
Described data interaction module is DLM (Dynamic Loaded Module) module namely, flush type WEB server is supported javascript and in javascript, is directly called C language function interface, so server can carry out data interaction by C function interface and DLM module.
When DLM module provides C function interface to generate html page for flush type WEB server, call, DLM module is communicated by letter with main application process by socket socket.
The monitoring main program that described main application process is monitoring inverter module, provides data acquisition, background communication, alarming processing, control processing, data storage, man-machine interface application function.
Be illustrated in figure 2 method flow diagram, be also that WEB monitors each software module interactive relation figure simultaneously, the invention also discloses a kind of method of using flush type WEB server monitoring photovoltaic DC-to-AC converter, comprises the steps:
The HTTP request of operating system receiving remote browser, and this HTTP request is sent to flush type WEB server;
Flush type WEB server response remote browser HTTP request, communicates by letter with main application process by data interaction module;
Main application process response data interactive module communication instruction, returns to flush type WEB server by result, and flush type WEB server generates html page by result and returns to remote browser.
Described inverter WEB monitoring comprises following functions:
Parameter configuration: comprise grid parameter, system to time mode and to time server parameter and monitoring, the setting of inversion parameter.
Invertor operation data acquisition: refresh in real time inverter internal simulation amount, switching value, alarm amount information, when having alarm to occur, by the alarm mode of appointment, as mail, phone, acousto-optic etc. produce alarm output, after alarm operating mode is eliminated, automatic log history warning information, and eliminate alarm action.
Inverter control: the operations such as the start and stop of user's Long-distance Control inverter, switch are disconnectedly closed, system reset are provided.
User management: to user right differentiated control, domestic consumer can only remote browse inverter data, can not issue and control and configuration parameter, only have administration authority user just can carry out Long-distance Control and parameter setting.
Version information: the version page shows version information and the bar code information of inverter hardware, software module, is convenient to user and carries out asset management and later stage operation maintenance.
In the present invention, monitoring module adopts technical grade ARM9 processor, and operation linux operating system, supports ICP/IP protocol stack, and embed a WEB server.Design a flush type WEB server, this server is supported directly to call C function interface in service end javascript and javascript, and server moves as independent process.Design data interactive module DLM, this module as dynamic link library by flush type WEB server load operating, for data communication between flush type WEB server and main application process.Design main application process socket service module, response DLM request of data, main application process is moved as independent process, starts socket service socket port, intercept the socket request of DLM module, and the result after processing is sent to DLM module by socket.
Design inverter WEB function pages, comprises the parameter configuration page, the real time data page, controls the page, the user management page and the version information page.The page embeds javascript script, and directly calls DLM module C function interface and main application process completes alternately.The parameter configuration page provides the setting of alarm notification cell-phone number, postbox installment, and when there being alarm to produce, notice is to designated mobile phone or mailbox.
During work, monitoring inverter module provides Ethernet or WIFI network interface, access internet network, operation linux operating system, and embedding a small-sized WEB server, this server is supported service end JavaScript and in service end page JavaScript, is directly called the interface function of C language compilation.Client browser sends HTTP (HTML (Hypertext Markup Language)) application request, WEB server is given DLM (Dynamic Loaded Module) resume module by request by C function interface, DLM carries out data interaction by TCP/IP and main monitoring process, result after monitoring process is processed returns to server, and server regeneration html page is sent client back to.Client browser shows inverter html page content.
In sum, the present invention compares conventional inverter monitoring scheme, do not need additionally to build supervisory control system, just can complete the functions such as parameter setting to solar inverter, running state monitoring, fault warning, be particularly suitable for distributed photovoltaic power generation monitoring demand.Superiority of the present invention can be summarized as: zero investment realizes conventional photovoltaic monitoring inverter function, networking, user friendly.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. a system of using flush type WEB server monitoring photovoltaic DC-to-AC converter, it is characterized in that, comprise monitoring inverter module, described monitoring inverter module comprises physical internet ports, operating system, flush type WEB server, data interaction module, main application process module;
Described physical internet ports is used to monitoring inverter module access internet that physical channel is provided;
Described operating system is used to flush type WEB server that the support of bottom ICP/IP protocol interface is provided, and for main application process module provides bottom layer driving interface, file system interface, and provides platform support for the operation of flush type WEB server and main application process;
Described flush type WEB server is used for responding remote browser HTTP request, by data interaction module, communicate by letter with main application process, main application process response data interactive module communication instruction, result is returned to flush type WEB server, and flush type WEB server generates html page by result and returns to remote browser;
Described data interaction module is for realizing the data communication between flush type WEB server and main application process, and described data interaction module is a dynamic link library, during by flush type WEB server initialization, loads.
2. system according to claim 1, is characterized in that: described physical internet ports comprises Industrial Ethernet or WIFI wireless module, and described operating system is linux operating system.
3. system according to claim 1, is characterized in that: described flush type WEB server carries out data interaction by C function interface and described data interaction module.
4. system according to claim 3, is characterized in that: when described data interaction module provides C function interface to generate html page for flush type WEB server, call, described data interaction module is communicated by letter with main application process by socket socket.
5. system according to claim 1, is characterized in that: the monitoring main program that described main application process is monitoring inverter module, provides data acquisition, background communication, alarming processing, control processing, data storage, man-machine interface application function.
6. a method of using flush type WEB server monitoring photovoltaic DC-to-AC converter, is characterized in that, comprises the steps:
The HTTP request of operating system receiving remote browser, and this HTTP request is sent to flush type WEB server;
Flush type WEB server response remote browser HTTP request, communicates by letter with main application process by data interaction module;
Main application process response data interactive module communication instruction, returns to flush type WEB server by result, and flush type WEB server generates html page by result and returns to remote browser.
7. method according to claim 6, is characterized in that: described operating system is linux operating system.
8. method according to claim 6, is characterized in that: when described data interaction module provides C function interface to generate html page for flush type WEB server, call, described data interaction module is communicated by letter with main application process by socket socket.
9. method according to claim 6, is characterized in that: the monitoring main program that described main application process is monitoring inverter module, provides data acquisition, background communication, alarming processing, control processing, data storage, man-machine interface application function.
10. method according to claim 6, is characterized in that: described flush type WEB server comprises WEB function pages, and described WEB function pages comprises the parameter configuration page, the real time data page, controls the page, the user management page and the version information page.
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Cited By (5)
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| CN105245602A (en) * | 2015-10-15 | 2016-01-13 | 慈溪市源顺光电科技有限公司 | Monitoring system and method of inverter |
| CN107102583A (en) * | 2017-04-21 | 2017-08-29 | 句容市宝启电子科技有限公司 | A kind of distributed photovoltaic power generation monitoring system of embedded web server |
| CN107168210A (en) * | 2017-06-22 | 2017-09-15 | 无锡乐伏网络科技有限公司 | The monitoring system and monitoring method of photovoltaic power station |
| CN108134837A (en) * | 2017-12-26 | 2018-06-08 | 北京天诚同创电气有限公司 | For the monitoring device and current transformer of current transformer |
| CN111245101A (en) * | 2020-03-20 | 2020-06-05 | 江苏固德威电源科技股份有限公司 | Control circuit and control method for one-key remote turn-off inverter and inverter |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105245602A (en) * | 2015-10-15 | 2016-01-13 | 慈溪市源顺光电科技有限公司 | Monitoring system and method of inverter |
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| CN108134837A (en) * | 2017-12-26 | 2018-06-08 | 北京天诚同创电气有限公司 | For the monitoring device and current transformer of current transformer |
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| CN111245101A (en) * | 2020-03-20 | 2020-06-05 | 江苏固德威电源科技股份有限公司 | Control circuit and control method for one-key remote turn-off inverter and inverter |
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Application publication date: 20141105 |