CN115528815A - Photovoltaic inverter converter and communication proxy method - Google Patents
Photovoltaic inverter converter and communication proxy method Download PDFInfo
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- CN115528815A CN115528815A CN202211294527.0A CN202211294527A CN115528815A CN 115528815 A CN115528815 A CN 115528815A CN 202211294527 A CN202211294527 A CN 202211294527A CN 115528815 A CN115528815 A CN 115528815A
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- 238000004891 communication Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000012423 maintenance Methods 0.000 claims abstract description 18
- 238000004128 high performance liquid chromatography Methods 0.000 claims abstract description 7
- 230000003993 interaction Effects 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00007—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00016—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses a photovoltaic inverter converter and a communication proxy method, wherein the photovoltaic inverter converter comprises a shell and a main controller arranged in the shell; an interface connected with the main controller is arranged on the shell; the interfaces comprise a power supply interface, a Usb configuration interface, an RS485/RS232 interface and a communication interface; wherein: the power interface comprises a live wire and a zero wire and is used for power supply and HPLC carrier communication; the Usb configuration interface is used for opening configuration; the RS485/RS232 interface is used for being connected with the photovoltaic inverter; the communication interface is used for externally connecting an LTE communication rod. Through set up each interface of being connected with main control unit on photovoltaic contravariant converter casing, can carry out data interaction with producer and power supply company respectively to satisfy the producer to the maintenance demand of present net operation equipment and the control demand of power supply company to equipment simultaneously.
Description
Technical Field
The invention belongs to the technical field of power electronics, and particularly relates to a photovoltaic inverter converter and a communication proxy method.
Background
Currently, as shown in fig. 1, for management of a photovoltaic inverter, data of the photovoltaic inverter is mainly sent to a data background of an inverter manufacturer through an RS485/RS232 interface and an LTE communication rod provided by the inverter manufacturer, and a power supply company cannot directly manage the inverter. If the communication interface of the LTE communication rod is occupied, the interface is accessed to a related management network of a power grid, and a manufacturer cannot monitor the operation data of the inverter, so that inconvenience is caused to equipment maintenance and fault location.
Therefore, the traditional photovoltaic inverter has the problem that the photovoltaic inverter is inconvenient to use and can only meet the requirements of manufacturers or power supply companies.
Disclosure of Invention
In order to solve the above problems, it is necessary to provide a photovoltaic inverter converter and a communication proxy method which are convenient to use, have strong practicability and can meet the requirements of manufacturers and power supply companies.
A photovoltaic inverter converter comprises a shell and a main controller arranged inside the shell; the shell is provided with an interface connected with the main controller; the interfaces comprise a power supply interface, a Usb configuration interface, an RS485/RS232 interface and a communication interface; wherein:
the power interface comprises a live wire and a zero wire and is used for power supply and HPLC carrier communication;
the Usb configuration interface is used for opening configuration;
the RS485/RS232 interface is used for being connected with the photovoltaic inverter;
the communication interface is used for externally connecting an LTE communication rod.
In one embodiment, the shell is further provided with an indicator light, and the indicator light is connected with the main controller and used for indicating the interface state.
In one embodiment, the indicator light comprises a power indicator light and an interface indicator light.
In one embodiment, two or more RS485/RS232 interfaces are provided.
In one embodiment, the master controller is further configured to store maintenance data of the photovoltaic inverter through the RS485/RS232 interface.
In one embodiment, the open configuration includes a port protocol configuration, a rate configuration, and an inverter model configuration.
In one embodiment, the communication interface is further connected with an LTU, and the photovoltaic inverter is subjected to operation management through the RS485/RS232 interface.
In one embodiment, the communication interface is further connected with a public network, and the photovoltaic inverter is monitored and debugged through the RS485/RS232 interface.
A communication proxy method is applied to a photovoltaic inverter converter, and comprises the following steps:
the photovoltaic inverter is in communication connection with the photovoltaic inverter converter through an RS485/RS232 interface, and the photovoltaic inverter converter is connected with the LTU and the public network through a communication interface;
opening configuration is carried out through a Usb configuration interface on the photovoltaic inverter converter;
a main controller in the photovoltaic inverter converter receives and stores data of the photovoltaic inverter through the RS485/RS232 interface; and receiving maintenance data of the photovoltaic inverter through the communication interface, and transmitting the maintenance data to the photovoltaic inverter through the RS485/RS232 interface.
According to the photovoltaic inverter converter and the communication proxy method, the photovoltaic inverter converter comprises a shell and a main controller arranged in the shell; an interface connected with the main controller is arranged on the shell; the interfaces comprise a power supply interface, a Usb configuration interface, an RS485/RS232 interface and a communication interface; wherein: the power interface comprises a live wire and a zero wire and is used for power supply and HPLC carrier communication; the Usb configuration interface is used for opening configuration; the RS485/RS232 interface is used for being connected with the photovoltaic inverter; the communication interface is used for externally connecting an LTE communication rod. Through set up each interface of being connected with main control unit on photovoltaic contravariant converter casing, can carry out data interaction with producer and power supply company respectively to satisfy the producer to the maintenance demand of present net operation equipment and the control demand of power supply company to equipment simultaneously.
Drawings
FIG. 1 is a diagram of a prior art connection configuration using a photovoltaic inverter;
FIG. 2 is a block diagram of a photovoltaic inverter converter in one embodiment;
fig. 3 is a connection structure diagram of the photovoltaic inverter converter in one embodiment.
Detailed Description
For a better understanding of the present invention, the contents of the present invention will be further explained below with reference to the drawings and examples, but the present invention is not limited to the following examples.
In one embodiment, as shown in fig. 2, the present invention provides a photovoltaic inverter converter, which mainly includes: a housing 100 and a main controller 200 disposed inside the housing 100; the housing 100 is provided with an interface connected with the main controller 200; the interfaces comprise a power interface 110, a Usb configuration interface 120, an RS485/RS232 interface 130 and a communication interface 140; wherein: the power interface 110 includes a live line and a neutral line for power supply and HPLC carrier communication; the Usb configuration interface 120 is used for open configuration; the RS485/RS232 interface 130 is used for being connected with a photovoltaic inverter; the communication interface 140 is used for externally connecting an LTE communication stick.
As shown in fig. 2, the housing 100 may have a rectangular parallelepiped shape with one end protruding outward. The interior of the case 100 may be provided with a main controller 200 for implementing control of the entire photovoltaic inverter converter.
Each interface may be provided on an outer surface of the housing 100, and each interface is connected with the main controller 200. The interfaces may include a power interface 110, a Usb configuration interface 120, an RS485/RS232 interface 130, and a communication interface 140.
In this embodiment, the power interface 110 is provided with a live line and a zero line, which can be connected to an external power source to provide electric energy for the entire photovoltaic inverter converter; meanwhile, the power interface 110 may also be used for HPLC carrier communication.
The Usb configuration interface 120 may be used for open configuration. Before the photovoltaic inverter converter provided by the present application is used, the field opening configuration can be performed through the Usb configuration interface 120 according to the use requirement.
The RS485/RS232 interface 130 may be used to connect with a photovoltaic inverter, and data in the photovoltaic inverter may be transmitted to the master controller 200 through the RS485/RS232 interface 130, and then transmitted to other places, such as a manufacturer, a power company, etc., through the master controller 200; similarly, monitoring and maintenance data of manufacturers and power companies can be transmitted to the photovoltaic inverter through the main controller 200 and the RS485/RS232 interface 130.
The communication interface 140 may be used to externally connect an LTE communication stick. The data of the photovoltaic inverter can be sent to a data background of an inverter manufacturer through the RS485/RS232 interface 130 and an LTE communication rod provided by the inverter manufacturer for subsequent processing.
In this embodiment, each interface connected with the main controller is arranged on the photovoltaic inverter shell, so that data interaction can be performed with a manufacturer and a power supply company respectively, and the requirement of the manufacturer on maintenance of the existing network running equipment and the requirement of the power supply company on monitoring the equipment can be met simultaneously.
In one embodiment, as shown in fig. 2, an indicator light 150 is further disposed on the housing 100, and the indicator light 150 is connected to the main controller 200 for indicating the interface status.
In one embodiment, the indicator light may include a power indicator light, an interface indicator light. The power indicator lamp can be used for indicating whether a power supply is connected or not, and the interface indicator lamp can be used for indicating whether an interface processes a connection state or not. Specifically, the number of the interface indicator lamps may be the same as the number of the interfaces, that is, one interface corresponds to one interface indicator lamp.
In this embodiment, by arranging the power indicator and the interface indicator, the states of the photovoltaic inverter converter and each interface can be clearly and visually seen.
As shown in FIG. 2, in one embodiment, two or more RS485/RS232 interfaces 130 are provided. In this embodiment, three RS485/RS232 interfaces 130 may be provided, and specifically which RS485/RS232 interface 130 is used may be configured through the Usb configuration interface 120.
In one embodiment, the master controller is further configured to store maintenance data of the photovoltaic inverter via the RS485/RS232 interface. The photovoltaic inverter can transmit the maintenance data to the main controller for storage through the RS485/RS232 interface, so that the main controller can transmit the maintenance data to a manufacturer conveniently, and equipment maintenance of the photovoltaic inverter can be conveniently carried out.
In one embodiment, the open configuration may include a port protocol configuration, a rate configuration, an inverter model configuration.
In one embodiment, as shown in fig. 3, the communication interface is further connected with the LTU, and the photovoltaic inverter is operated and managed through the RS485/RS232 interface. Specifically, a grid-connected switch and the like are connected to a background of an electric power company through an interface, and operations such as operation monitoring and remote upgrading are provided.
As shown in fig. 3, in an embodiment, the communication interface is further connected to a public network, and the photovoltaic inverter is monitored and debugged through an RS485/RS232 interface. Specifically, the photovoltaic inverter converter can be accessed to an inverter manufacturer through a public network to provide equipment remote monitoring, debugging and the like.
In one embodiment, the photovoltaic inverter converter can be directly connected to the background of the power company through an HPLC protocol, so that operation monitoring, remote upgrading and the like are provided.
The photovoltaic inverter converter is communicated with the photovoltaic inverter through the modbus, and as each family has different parts on the private protocol, the families need to distinguish the current mainstream private protocols on software, the specific use is configured during engineering construction, after the communication between the photovoltaic inverter converter and the photovoltaic inverter is completed, all maintenance data of the photovoltaic inverter is stored locally, the photovoltaic inverter converter is disguised as the photovoltaic inverter, and the communication is implemented with a related background.
In one embodiment, the present invention provides a method for using a photovoltaic inverter converter, comprising:
the photovoltaic inverter is in communication connection with the photovoltaic inverter converter through an RS485/RS232 interface, and the photovoltaic inverter converter is connected with the LTU and the public network through a communication interface;
opening configuration is carried out through a Usb configuration interface on the photovoltaic inverter converter;
a main controller in the photovoltaic inverter converter receives and stores data of the photovoltaic inverter through an RS485/RS232 interface; and receiving maintenance data of the photovoltaic inverter through the communication interface, and transmitting the maintenance data to the photovoltaic inverter through the RS485/RS232 interface.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A photovoltaic inverter converter is characterized by comprising a shell and a main controller arranged in the shell; an interface connected with the main controller is arranged on the shell; the interfaces comprise a power supply interface, a Usb configuration interface, an RS485/RS232 interface and a communication interface; wherein:
the power interface comprises a live wire and a zero wire and is used for power supply and HPLC carrier communication;
the Usb configuration interface is used for opening configuration;
the RS485/RS232 interface is used for being connected with the photovoltaic inverter;
the communication interface is used for externally connecting an LTE communication rod.
2. The photovoltaic inverter converter according to claim 1, wherein an indicator light is further disposed on the housing, and the indicator light is connected to the main controller for indicating an interface status.
3. The inverter converter according to claim 2, wherein the indicator light comprises a power indicator light and an interface indicator light.
4. The inverter converter according to claim 1, wherein two or more RS485/RS232 interfaces are provided.
5. The inverter converter according to claim 1, wherein the main controller is further configured to store maintenance data of the inverter through the RS485/RS232 interface.
6. The inverter converter according to claim 1, wherein the open configuration comprises a port protocol configuration, a rate configuration, an inverter model configuration.
7. The inverter converter according to claim 1, wherein the communication interface is further connected to an LTU and manages the operation of the inverter through the RS485/RS232 interface.
8. The inverter converter according to claim 1, wherein the communication interface is further connected to a public network, and the photovoltaic inverter is monitored and debugged through the RS485/RS232 interface.
9. A communication proxy method applied to the photovoltaic inverter converter according to any one of claims 1 to 8, wherein the method comprises:
the photovoltaic inverter is in communication connection with the photovoltaic inverter converter through an RS485/RS232 interface, and the photovoltaic inverter converter is connected with the LTU and the public network through a communication interface;
opening configuration is carried out through a Usb configuration interface on the photovoltaic inverter converter;
a main controller in the photovoltaic inverter converter receives and stores data of the photovoltaic inverter through the RS485/RS232 interface; and receiving maintenance data of the photovoltaic inverter through the communication interface, and transmitting the maintenance data to the photovoltaic inverter through the RS485/RS232 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211294527.0A CN115528815B (en) | 2022-10-21 | 2022-10-21 | Photovoltaic inverter converter and communication proxy method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211294527.0A CN115528815B (en) | 2022-10-21 | 2022-10-21 | Photovoltaic inverter converter and communication proxy method |
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| CN115528815A true CN115528815A (en) | 2022-12-27 |
| CN115528815B CN115528815B (en) | 2023-08-15 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203858746U (en) * | 2014-05-15 | 2014-10-01 | 常州新智源电子科技有限公司 | Running data acquisition system based on mobile communication public network for photovoltaic power stations |
| CN205490416U (en) * | 2016-01-15 | 2016-08-17 | 深圳市英威腾电气股份有限公司 | Dc -to -ac converter and external mutual equipment thereof |
| CN209248754U (en) * | 2018-09-13 | 2019-08-13 | 深圳益邦物联科技有限公司 | Data collector based on the communication of networking module |
| CN110417914A (en) * | 2019-08-14 | 2019-11-05 | 东莞市钜大电子有限公司 | A kind of photovoltaic power generation data acquisition gateway device |
| CN110854997A (en) * | 2019-10-23 | 2020-02-28 | 南京南瑞继保电气有限公司 | Remote online maintenance method and device for photovoltaic inverter |
| CN216981918U (en) * | 2022-03-29 | 2022-07-15 | 上海电力新能源发展有限公司 | Photovoltaic power station inverter side power control interface device |
-
2022
- 2022-10-21 CN CN202211294527.0A patent/CN115528815B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203858746U (en) * | 2014-05-15 | 2014-10-01 | 常州新智源电子科技有限公司 | Running data acquisition system based on mobile communication public network for photovoltaic power stations |
| CN205490416U (en) * | 2016-01-15 | 2016-08-17 | 深圳市英威腾电气股份有限公司 | Dc -to -ac converter and external mutual equipment thereof |
| CN209248754U (en) * | 2018-09-13 | 2019-08-13 | 深圳益邦物联科技有限公司 | Data collector based on the communication of networking module |
| CN110417914A (en) * | 2019-08-14 | 2019-11-05 | 东莞市钜大电子有限公司 | A kind of photovoltaic power generation data acquisition gateway device |
| CN110854997A (en) * | 2019-10-23 | 2020-02-28 | 南京南瑞继保电气有限公司 | Remote online maintenance method and device for photovoltaic inverter |
| CN216981918U (en) * | 2022-03-29 | 2022-07-15 | 上海电力新能源发展有限公司 | Photovoltaic power station inverter side power control interface device |
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| CN115528815B (en) | 2023-08-15 |
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