CN108134699A - A kind of system and method for string type photovoltaic DC-to-AC converter remote download firmware - Google Patents
A kind of system and method for string type photovoltaic DC-to-AC converter remote download firmware Download PDFInfo
- Publication number
- CN108134699A CN108134699A CN201711399509.8A CN201711399509A CN108134699A CN 108134699 A CN108134699 A CN 108134699A CN 201711399509 A CN201711399509 A CN 201711399509A CN 108134699 A CN108134699 A CN 108134699A
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- string type
- type photovoltaic
- converter
- firmware
- conversion device
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
- H04L41/082—Configuration setting characterised by the conditions triggering a change of settings the condition being updates or upgrades of network functionality
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/163—In-band adaptation of TCP data exchange; In-band control procedures
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Communication Control (AREA)
Abstract
The present invention discloses a kind of system and method for string type photovoltaic DC-to-AC converter remote download firmware, fictionalizes the virtual link between a serial ports M and the machine TCP port N on computers；Protocol conversion device is connected by Ethernet on computers, the virtual link between computer TCP port N and string type photovoltaic DC-to-AC converter is set；Protocol conversion device closes the communication connection based on standard communication protocol between string type photovoltaic DC-to-AC converter；The ethernet communication being related between string type photovoltaic DC-to-AC converter closed between computer connects；Protocol conversion device connects computer TCP port N, establishes from serial ports of computers M to the virtual serial port link string type photovoltaic DC-to-AC converter；String type photovoltaic DC-to-AC converter firmware more new tool is opened on computers, connects the serial ports M of computer, and firmware update is carried out to string type photovoltaic DC-to-AC converter.Such technical solution can easily on computers directly perform string type photovoltaic DC-to-AC converter firmware update operation.
Description
Technical field
The present invention relates to a kind of methods of string type photovoltaic DC-to-AC converter firmware upgrade, and more particularly to one kind can be at photovoltaic station
On computer in remote download station any string type photovoltaic DC-to-AC converter firmware system and method.
Background technology
For string type photovoltaic DC-to-AC converter general work under the environment such as massif, roof, on-site maintenance is relatively difficult；And due to
Installation cost limits, and generally configuring network interface, configuration RS485 serial ports do not pass through RS485 serial ports to string type photovoltaic DC-to-AC converter
It is connect using the serial communication stipulations of standard with protocol conversion device, protocol conversion device is communicated by Ethernet with computer.
The information of string type photovoltaic DC-to-AC converter received under is forwarded on computer by protocol conversion device, and by the data of transmission
It is forwarded to string type photovoltaic DC-to-AC converter.
Since communication is related to multiple conversion links, can not accomplish directly by Ethernet or serial ports to connect at computer
Certain inverter is connect, if necessary to carry out firmware update to the inverter in station, then needs each inverter erecting bed
It is operated, seriously affects working efficiency.
String type photovoltaic DC-to-AC converter generally carries out firmware update, and the proprietary protocol is very using the privately owned communication protocol of producer
It may be upgraded as needed.It is generally advised when protocol conversion device communicates with string type photovoltaic DC-to-AC converter using standard traffic
About such as MODBUS RTU, IEC60870-5-103, do not support inverter producer proprietary protocol, can not also follow producer's agreement into
Row upgrading, so also directly firmware update can not be carried out to string type photovoltaic DC-to-AC converter by protocol conversion device.
Invention content
It needs to carry out the newer present situation of firmware in the installation place of every inverter to solve string type photovoltaic DC-to-AC converter, this
Invention proposes a kind of system and method for string type photovoltaic DC-to-AC converter remote download firmware, can easily on computers
Firmware update operation is directly performed to string type photovoltaic DC-to-AC converter.
In order to achieve the above objectives, solution of the invention is：
A kind of system of string type photovoltaic DC-to-AC converter remote download firmware, computer are converted by Ethernet and more stipulations
Device is connected, and has multiple serial ports, each serial ports and one or more string type photovoltaic DC-to-AC converter on every protocol conversion device
Serial ports is connected；Computer performs virtual serial communication device, fictionalizes a serial ports M to the virtual link between Ethernet, and advising
The virtual chain of an Ethernet and mailing address between the string type photovoltaic DC-to-AC converter serial ports of K is about fictionalized on conversion equipment
Road.
The serial ports of above-mentioned string type photovoltaic DC-to-AC converter supports standard serial port communication protocol and privately owned firmware to update agreement simultaneously,
Protocol identification and switching at runtime are carried out according to different messages.
The serial communication address of multiple string type photovoltaic DC-to-AC converters of same protocol conversion device connection is different, from 1
Beginning sequence sorts.
A kind of method of string type photovoltaic DC-to-AC converter remote download firmware, includes the following steps：
Step 1, a serial ports M is fictionalized on computers, establishes the virtual chain between serial ports M and the machine TCP port N
Road；
Step 2, on computers by Ethernet connect protocol conversion device, setting computer TCP port N with communicatedly
Location is the virtual link between the string type photovoltaic DC-to-AC converter of K；
Step 3, being led to based on standard between the string type photovoltaic DC-to-AC converter that protocol conversion device is closed and mailing address is K
Believe the communication connection of agreement；Protocol conversion device is closed is related to the string type photovoltaic that mailing address is K between computer
Ethernet communication connection between inverter；
Step 4, protocol conversion device connects computer TCP port N, so as to establish from computer according to the setting of step 3
Virtual serial port link between the string type photovoltaic DC-to-AC converter that serial ports M is K to mailing address；
Step 5, string type photovoltaic DC-to-AC converter firmware more new tool is opened on computers, connects the serial ports M of computer, it is right
The string type photovoltaic DC-to-AC converter that mailing address is K carries out firmware update.
After above-mentioned steps 5, following steps are further included：
Step 6, after firmware update, protocol conversion device is connected by Ethernet on computers, delete step 4 is set
The virtual link put restores the standard traffic of protocol conversion device and mailing address between the string type photovoltaic DC-to-AC converter of K and assists
View；
Step 7, protocol conversion device restores the string type photovoltaic inversion being related between computer with mailing address is K
Ethernet communication connection between device.
The serial ports of above-mentioned string type photovoltaic DC-to-AC converter supports standard serial port communication protocol and privately owned firmware to update agreement simultaneously,
Protocol identification and switching at runtime are carried out according to different messages.
The serial communication address of multiple string type photovoltaic DC-to-AC converters of same protocol conversion device connection is different, from 1
Beginning sequence sorts.
Above-mentioned protocol conversion device plays data penetration transmission in firmware renewal process.
After using the above scheme, the present invention passes through virtual serial for the specific communication topology of string type photovoltaic DC-to-AC converter
The method of link realizes computer and is directly connected to string type photovoltaic DC-to-AC converter by virtual serial link, reduces firmware more
New time cost and human cost improve the maintenance work efficiency at scene.
Description of the drawings
Fig. 1 is the representative communication topology of string type photovoltaic DC-to-AC converter；
Fig. 2 is data flow figure of the invention under the communication topology of Fig. 1.
Specific embodiment
Below with reference to attached drawing, technical scheme of the present invention and advantageous effect are described in detail.
The present invention provides a kind of system of string type photovoltaic DC-to-AC converter remote download firmware, computer 2 by Ethernet 3 with
More protocol conversion devices 4 are connected, and have polylith serial ports board on every protocol conversion device, each serial ports board has multiple
RS485 serial ports 5, each RS485 serial ports are connected with the serial ports 6 of one or more string type photovoltaic DC-to-AC converter 1.One stipulations conversion
The serial communication address of more inverters of device connection is different, generally sorts in order since 1.Specific communication topology
As shown in Figure 1.The RS485 serial ports of string type photovoltaic DC-to-AC converter supports standard serial port communication protocol and privately owned firmware to update association simultaneously
View can carry out protocol identification and switching at runtime according to different messages.
By performing virtual serial communication device on the computer 2, a serial ports 7 is fictionalized to the virtual chain between Ethernet
Road, and fictionalized between an Ethernet and the string type photovoltaic DC-to-AC converter serial ports of firmware to be updated on protocol conversion device 4
Virtual link 8, can be with so as to fulfill the virtual serial port connection between computer virtual serial ports and string type photovoltaic DC-to-AC converter
Realize the firmware of any one string type photovoltaic DC-to-AC converter of remote download on computers.
As shown in Fig. 2, the present invention also provides a kind of method of string type photovoltaic DC-to-AC converter remote download firmware, including as follows
Step：
Step 1, virtual serial communication device is performed on computers, fictionalizes a serial ports M, establishes serial ports M and the machine TCP ends
Virtual link between mouthful N when there is the TCP port N that external device (ED) connects by Ethernet computer, sends TCP port N's
Data will be forwarded to serial ports M, and the data of serial ports M are sent in the machine and can be also forwarded on TCP port N；
Step 2, on computers by Ethernet connect protocol conversion device, setting computer TCP port N with communicatedly
Location is the virtual link between the string type photovoltaic DC-to-AC converter of K；
Step 3, being led to based on standard between the string type photovoltaic DC-to-AC converter that protocol conversion device is closed and mailing address is K
Believe the communication connection of agreement；Protocol conversion device is closed is related to the string type photovoltaic that mailing address is K between computer
Ethernet communication connection between inverter；
Step 4, protocol conversion device connects computer TCP port N, so as to establish from computer according to the setting of step 3
Virtual serial port link between the string type photovoltaic DC-to-AC converter that serial ports M is K to mailing address；
Step 5, string type photovoltaic DC-to-AC converter firmware more new tool is opened on computers, and the serial ports M for connecting computer is (empty
It is on the serial ports of string type photovoltaic DC-to-AC converter of K to intend to mailing address), to mailing address be K string type photovoltaic DC-to-AC converter into
Row firmware updates；
Step 6, after firmware update, protocol conversion device is connected by Ethernet on computers, delete step 4 is set
The virtual link put restores the standard traffic of protocol conversion device and mailing address between the string type photovoltaic DC-to-AC converter of K and assists
View；
Step 7, protocol conversion device restores the string type photovoltaic inversion being related between computer with mailing address is K
Ethernet communication connection between device；
Step 8, the operation that step 4 arrives step 7 is repeated, updates the string type photovoltaic DC-to-AC converter firmware of other mailing addresses.
In summary, when carrying out firmware update, protocol conversion device stops inverse with the string type photovoltaic of firmware to be updated
Become the communication interaction process based on standard serial port communication protocol between device, and stop being related to the string type between computer
The relevant communication process of photovoltaic DC-to-AC converter.Hereafter protocol conversion device only plays transparent transmission, the number that will be sended over from computer
According to the string type photovoltaic DC-to-AC converter for being forwarded to firmware to be updated.
After virtual serial port link establishment between computer and the string type photovoltaic DC-to-AC converter of firmware to be updated, you can with
Virtual serial port is directly connected to by firmware more new tool on computers, reach and connects string type photovoltaic DC-to-AC converter on the spot
The same effect of RS485 serial ports, so as to easily carry out firmware update to the string type photovoltaic DC-to-AC converter.
Above example is merely illustrative of the invention's technical idea, it is impossible to protection scope of the present invention is limited with this, it is every
According to technological thought proposed by the present invention, any change done on the basis of technical solution each falls within the scope of the present invention
Within.
Claims (8)
1. a kind of system of string type photovoltaic DC-to-AC converter remote download firmware, computer pass through Ethernet and more stipulations converting means
It puts connected, has multiple serial ports on every protocol conversion device, the string of each serial ports and one or more string type photovoltaic DC-to-AC converter
Mouth is connected；It is characterized in that：Computer performs virtual serial communication device, fictionalizes a serial ports M to the virtual chain between Ethernet
Road, and an Ethernet and mailing address are fictionalized between the string type photovoltaic DC-to-AC converter serial ports of K on protocol conversion device
Virtual link.
2. a kind of system of string type photovoltaic DC-to-AC converter remote download firmware as described in claim 1, it is characterised in that：It is described
The serial ports of string type photovoltaic DC-to-AC converter supports standard serial port communication protocol and privately owned firmware to update agreement simultaneously, according to different reports
Text carries out protocol identification and switching at runtime.
3. a kind of system of string type photovoltaic DC-to-AC converter remote download firmware as described in claim 1, it is characterised in that：It is same
The serial communication address of multiple string type photovoltaic DC-to-AC converters of protocol conversion device connection is different, and sequence sorts since 1.
A kind of 4. method of string type photovoltaic DC-to-AC converter remote download firmware, it is characterised in that include the following steps：
Step 1, a serial ports M is fictionalized on computers, establishes the virtual link between serial ports M and the machine TCP port N；
Step 2, protocol conversion device is connected by Ethernet on computers, setting computer TCP port N is with mailing address
Virtual link between the string type photovoltaic DC-to-AC converter of K；
Step 3, being assisted based on standard traffic between the string type photovoltaic DC-to-AC converter that protocol conversion device is closed and mailing address is K
The communication connection of view；Protocol conversion device is closed is related to the string type photovoltaic inversion that mailing address is K between computer
Ethernet communication connection between device；
Step 4, protocol conversion device connects computer TCP port N, so as to establish from serial ports of computers according to the setting of step 3
Virtual serial port link between the string type photovoltaic DC-to-AC converter that M is K to mailing address；
Step 5, string type photovoltaic DC-to-AC converter firmware more new tool is opened on computers, connects the serial ports M of computer, to communication
The string type photovoltaic DC-to-AC converter that address is K carries out firmware update.
5. a kind of method of string type photovoltaic DC-to-AC converter remote download firmware as claimed in claim 4, it is characterised in that：It is described
After step 5, following steps are further included：
Step 6, after firmware update, protocol conversion device is connected by Ethernet on computers, what delete step 4 was set
Virtual link restores the standard communication protocol of protocol conversion device and mailing address between the string type photovoltaic DC-to-AC converter of K；
Step 7, protocol conversion device restore and computer between be related to mailing address be K string type photovoltaic DC-to-AC converter it
Between ethernet communication connection.
6. a kind of method of string type photovoltaic DC-to-AC converter remote download firmware as claimed in claim 4, it is characterised in that：It is described
The serial ports of string type photovoltaic DC-to-AC converter supports standard serial port communication protocol and privately owned firmware to update agreement simultaneously, according to different reports
Text carries out protocol identification and switching at runtime.
7. a kind of method of string type photovoltaic DC-to-AC converter remote download firmware as claimed in claim 4, it is characterised in that：It is same
The serial communication address of multiple string type photovoltaic DC-to-AC converters of protocol conversion device connection is different, and sequence sorts since 1.
8. the method for string type photovoltaic DC-to-AC converter remote download firmware according to claim 4, which is characterized in that the rule
About conversion equipment plays data penetration transmission in firmware renewal process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711399509.8A CN108134699A (en) | 2017-12-22 | 2017-12-22 | A kind of system and method for string type photovoltaic DC-to-AC converter remote download firmware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711399509.8A CN108134699A (en) | 2017-12-22 | 2017-12-22 | A kind of system and method for string type photovoltaic DC-to-AC converter remote download firmware |
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| CN108134699A true CN108134699A (en) | 2018-06-08 |
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| CN201711399509.8A Pending CN108134699A (en) | 2017-12-22 | 2017-12-22 | A kind of system and method for string type photovoltaic DC-to-AC converter remote download firmware |
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2017
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Application publication date: 20180608 |