CN114567626A - Internet-based remote data transmission method and system for wind turbine generator - Google Patents
Internet-based remote data transmission method and system for wind turbine generator Download PDFInfo
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Abstract
The application relates to a wind turbine generator data remote transmission method and system based on the Internet; the method comprises the following steps: acquiring production area data and management area data of a wind power plant in real time; analyzing the data of each system, combining the data of the same meaning of each system, renaming the difference data according to the source system of the difference data and then reserving the difference data; classifying and recombining the merged and reserved data to generate a data message; the data message is encrypted and compressed and then pushed to a data uploading system and a data backup and retransmission system; the data uploading system sends the data message to a data receiving system at a different place side. The scheme of the application aims at the condition of only the internet, and on the basis of meeting the technical safety of a power grid, the whole data of the wind power plant is safely and reliably transmitted to different places through the internet; therefore, a single-seat data island is opened, data of all wind power plants are gathered together, and a solid foundation is laid for data mining and data analysis.
Description
Technical Field
The application relates to the technical field of data transmission, in particular to a wind turbine generator data remote transmission method and system based on the Internet.
Background
With the vigorous development of green energy, wind power plants are distributed all over the world at present. Data in the wind power plants are precipitated continuously with time to form data gold mines, and data analysts find that the precipitation data of each wind power plant have great research value; however, the data of each wind power plant is sealed in each wind power plant, and becomes an information isolated island. In order to break the phenomenon of data closure of the wind power plant, the data in the wind power plant all over the world are gathered to one place for storage and analysis, and the method is a current first attack technical task.
In the related art, wind farms in various regions are usually built in regions with severe environments, and if a private network is separately built for solving the problem of data transmission in different places, the cost of doing so will be very large.
Disclosure of Invention
In order to overcome the problems in the related art at least to a certain extent, the application provides a wind turbine generator data remote transmission method and system based on the Internet.
According to a first aspect of an embodiment of the present application, a method for data remote transmission of a wind turbine generator based on the internet is provided, which includes:
acquiring production area data and management area data of a wind power plant in real time; the data of the production area comprises data generated by each system of the production area of the wind power plant in operation, and the data of the management area comprises data generated by each system of the management area of the wind power plant in operation;
analyzing the data of each system, combining the data of the same meaning of each system, renaming the difference data according to the source system of the difference data and then reserving the difference data;
classifying and recombining the merged and reserved data to generate a data message;
the data message is encrypted and compressed and then pushed to a data uploading system and a data backup and retransmission system;
and the data uploading system sends the data message to a data receiving system at a different place side.
Further, the data uploading system sends the data message to a data receiving system at a different side, comprising:
detecting a network bandwidth of the internet connection;
if the network bandwidth is larger than the first threshold value, the data uploading system sends the data message to a data receiving system at a different side through a private TCP/IP private protocol and/or an ftp file transfer protocol;
if the network bandwidth is smaller than the first threshold and larger than the second threshold, the data uploading system sends the data message to a data receiving system at a different place side through a private UDP/IP private protocol and/or an MQTT protocol and/or an ftp file transfer protocol;
and if the network bandwidth is smaller than a second threshold value, the data uploading system uploads the data messages to the private cloud through the private cloud technology and informs a data receiving system at the different place side to download the data messages from the private cloud.
Further, the method further comprises:
the data backup and reissue system backs up the encrypted data message in real time and records a message key information list or a file name in real time;
according to a preset first time period, the data backup and reissue system generates at the starting moment of each first time period: a first list log, a second list log, and a third list log; the first list log is a backup data general list log in the last first time period, the second list log is a non-reissued data list log in the previous second time period, and the third list log is a non-exported data list log in the previous second time period;
at the starting moment of each first time period, the data backup and reissue system requests a fourth list log from a day end system at a different side; the fourth list log is a received data message log in the last first time period of the wind power plant;
and comparing the fourth list log with the first list log and the second list log, and re-pushing the backup data message which is not successfully sent in the second time period to the data uploading system.
Further, the method further comprises:
a data receiving system at a different place side pushes a legal data message to a data decryption and classification system;
the data decryption classification system acquires the wind field mark to which the message belongs through the data message, and applies for a decryption key from the master key system through the wind field mark;
and decrypting and classifying the data message by the key.
Further, the method further comprises:
the day terminal system of the different side records the data decryption classification system and a message key information list or file name in the decrypted legal message in real time;
and the terminal day system generates a fourth list log according to each wind power plant identifier.
According to a second aspect of the embodiments of the present application, there is provided an internet-based remote data transmission system for wind turbines, including: wind field side and remote side; the wind field side comprises a data collection and classification system, a data uploading system and a data backup and transmission system; the remote side comprises a data receiving system;
the data collection and classification system is used for acquiring production area data and management area data of the wind power plant in real time; the data of the production area comprises data generated by each system of the production area of the wind power plant in operation, and the data of the management area comprises data generated by each system of the management area of the wind power plant in operation;
the data collection and classification system is also used for analyzing the data of each system, combining the data with the same meaning of each system, renaming the difference data according to the source system of the difference data and then reserving the difference data; classifying and recombining the merged and reserved data to generate a data message; the data message is encrypted and compressed and then pushed to a data uploading system and a data backup and retransmission system;
the data uploading system is used for sending the data message to a data receiving system at a different side.
Further, the data uploading system is specifically configured to:
detecting a network bandwidth of the internet connection;
if the network bandwidth is larger than the first threshold value, the data uploading system sends the data message to a data receiving system at a different side through a private TCP/IP private protocol and/or an ftp file transfer protocol;
if the network bandwidth is smaller than the first threshold and larger than the second threshold, the data uploading system sends the data message to a data receiving system at a different place side through a private UDP/IP private protocol and/or an MQTT protocol and/or an ftp file transfer protocol;
and if the network bandwidth is smaller than the second threshold value, the data uploading system uploads the data message to the private cloud through the private cloud technology and informs a data receiving system at a different place side to download the data message from the private cloud.
Further, the data backup and reissue system is configured to:
backing up the encrypted data message in real time, and recording a message key information list or a file name in real time;
according to a preset first time period, generating at the starting moment of each first time period: a first list log, a second list log, and a third list log; the first list log is a backup data general list log in the last first time period, the second list log is a non-reissued data list log in the previous second time period, and the third list log is a non-exported data list log in the previous second time period;
at the starting moment of each first time period, requesting a fourth list log from a day end system at a different side; the fourth list log is a received data message log in the last first time period of the wind power plant;
and comparing the fourth list log with the first list log and the second list log, and re-pushing the backup data message which is not successfully sent in the second time period to the data uploading system.
Further, the allopatric side also comprises a data decryption classification system;
the data receiving system is used for pushing the legal data message to the data decryption classification system;
the data decryption classification system is used for acquiring the wind field mark to which the message belongs through the data message and applying for a decryption key from the master key system through the wind field mark; and decrypting and classifying the data message by the key.
Further, the allopatric side also comprises a day end system;
the day terminal system is used for recording a data decryption classification system and a message key information list or file name in a decrypted legal message in real time; and generating a fourth list log according to each wind farm identification.
The technical scheme provided by the embodiment of the application has the following beneficial effects:
the scheme of the application aims at the condition of only the internet, and on the basis of meeting the technical safety of a power grid, the whole data of the wind power plant is safely and reliably transmitted to different places through the internet; therefore, a single-seat data island is opened, data of all wind power plants are gathered together, and a solid foundation is laid for data mining and data analysis.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
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The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and, together with the description, serve to explain the principles of the application.
Fig. 1 is a block diagram illustrating a structure of an internet-based remote transmission system for wind turbine data according to an exemplary embodiment.
Fig. 2 is a flowchart illustrating an internet-based method for transferring data of a wind turbine generator from a different location according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of methods and systems consistent with certain aspects of the present application, as detailed in the appended claims.
At present, most wind power plant management areas can be accessed to the internet environment, so that wind power plant data which can be accessed to the internet in various parts of the world are safely, reliably and completely transmitted to different places based on the internet environment, and the method is a method with higher cost performance.
Fig. 1 is a block diagram illustrating a structure of an internet-based remote transmission system for wind turbine data according to an exemplary embodiment. The system comprises a wind field side and a remote side; the wind field side comprises a data collection and classification system, a data uploading system and a data backup and transmission system; the remote side comprises a data receiving system;
the data collection and classification system is used for acquiring production area data and management area data of the wind power plant in real time; the data of the production area comprises data generated by each system of the production area of the wind power plant in operation, and the data of the management area comprises data generated by each system of the management area of the wind power plant in operation;
the data collection and classification system is also used for analyzing the data of each system, combining the data with the same meaning of each system, renaming the difference data according to the source system of the difference data and then reserving the difference data; classifying and recombining the merged and reserved data to generate a data message; encrypting and compressing the data message and then pushing the data message to a data uploading system and a data backup and retransmission system;
the data uploading system is used for sending the data message to a data receiving system at a different place side.
The scheme of the application aims at the condition of only the internet, and on the basis of meeting the technical safety of a power grid, the whole data of the wind power plant is safely and reliably transmitted to different places through the internet; therefore, a data island is opened, data of all wind power plants are gathered together, the data are gathered together to form a large-scale data gold, and a solid foundation is laid for data mining and data analysis.
The following describes the scheme of the present application in an expanded manner with reference to a specific application scenario.
According to the scheme, on the basis that the current main stream is in a wind power station and a management area can access the Internet, a set of data collection and classification system, a set of data encryption sub-secret key system, a set of data uploading system and a set of data backup and transmission system are added in the management area. A set of data receiving system, a set of data encryption master key system, a set of data decryption classification system, a set of day end system and a set of Beidou system are added in different places. The technical scheme of safe and reliable allopatric transmission of the total data of the wind power plant is realized through the cooperation of the system.
First, the wind farm management area can access the internet and the remote system can also access the internet. A set of data collection and classification system, a set of data encryption sub-key system, a set of data uploading system and a set of data backup and complementary transmission system are added in a management area of a wind power plant booster station; and a set of data receiving system, a set of data encryption master key system, a set of data decryption classification system, a set of day end system and a set of Beidou system are added in different places.
The wind farm side data collection and classification system, the data encryption sub-key system, the data uploading system, the data backup and retransmission system, the remote side data receiving system, the data encryption main key system, the data decryption and classification system, the day end system and the Beidou system. The system hardware comprises a plurality of double-network card industrial personal computers, a plurality of double-network card servers, a plurality of switches, two firewalls and a plurality of network cables. The operating systems operated by the server and the industrial personal computer are non-Windows systems, and the wind field side and the remote side have the network capability of linking the Internet.
Secondly, the remote side data encryption master key system is calibrated with the Beidou system in a set time period; the wind farm side data encryption sub-key system and the remote data encryption main key system perform key system verification, apply for sub-keys and update various types of sub-keys in a set time period; the wind farm side data encryption sub-key system mainly corrects one-time by taking the remote data encryption main key system as a main key in a set time period; the other systems on the wind farm side perform proofreading time once at least every 3 hours by taking the data encryption sub-secret key system as a main part; and the other systems in different places perform one-time proofreading for at least 3 hours by taking the data encryption master key system as a master.
The Beidou system provides a time calibration system for the Beidou satellite for market officers; the remote side data encryption master key system generates corresponding sub keys according to related information such as wind power plant names and the like of each place and corresponding wind power plant side data encryption sub key systems, when each place of the wind power plant applies for the sub keys from the remote side data encryption master key system according to a period, and meanwhile, the system carries out time synchronization verification; the other systems on the wind farm side refer to a data collection and classification system, a data uploading system and a data backup and reissuing system, and all of the systems take the time of a data encryption sub-key system as the standard to carry out timing; the other systems at the different side refer to a data receiving system, a data decryption classification system and a day end system, and all of the systems take the time of a data encryption master key system as the standard to carry out time correction; the sub-key application period and the timing period can be manually set.
Thirdly, the wind farm side data collection and classification system collects all system data running from a wind farm production area and all system data running from a management area in real time, analyzes and merges data sources with the same meaning of all systems, renames and retains difference data according to characteristics of all systems, classifies and recombines messages or files according to data types and data acquisition frequency, applies type sub keys to a data encryption sub key system to compress and encrypt the messages or files, and finally pushes the recombined data messages or files to a data uploading system and a data backup and reissue system according to the data acquisition frequency.
The messages or the files are classified and recombined according to the data types and the data acquisition frequency, and the names of the recombined messages and the recombined files contain wind field marks, timestamps and type marks.
The wind farm side data collection and classification system is a system platform developed based on C/C + + language, the collection drive has a loadable function, the corresponding protocol drive is loaded or re-developed according to the collection system, and the system data of the corresponding protocol is collected. The system comprises an SCADA system, an energy management platform, a CMS system, a box transformer substation monitoring system, a relay protection system and the like; each system in operation in the management area comprises an operation and maintenance management system, a material management system, a wind power prediction system, a video monitoring system and the like; and the production area sends data to the management area to meet the power grid requirement, and unidirectional isolation operation is performed.
Fourthly, the wind farm side data uploading system can transmit data to the remote side data receiving system through an internet communication protocol or existing internet resources.
The data transmission mode is as follows:
(4.1) if the internet network quality is excellent, the wind farm side upload system and the remote side reception system can be transferred by the private TCP/IP private protocol and ftp file transfer protocol.
And (4.2) if the quality of the Internet network is good, the wind farm side uploading system and the remote side receiving system can transmit through a private UDP/IP private protocol or an MQTT protocol and an ftp file transfer protocol.
And (4.3) if the quality of the internet network is too poor, the wind farm side uploading system uploads the wind farm side encrypted data source to the private cloud through the transnational and transnetwork private cloud technology, and downloads and uploads the data source from the private cloud through the data collection system at the different place side.
In some embodiments, the network quality may be determined from the network bandwidth by detecting the network bandwidth of the internet connection: the network quality is excellent when the network bandwidth is greater than the first threshold, the network quality is good when the network bandwidth is less than the first threshold and greater than the second threshold, and the network quality is poor when the network bandwidth is less than the second threshold.
Fifthly, the data receiving system at the different place side pushes the legal data message to a data decryption classification system, the data decryption classification system obtains the wind field mark to which the message belongs through the message, applies for a decryption key from a data encryption master key system through the wind field mark, and decrypts and classifies the data of the legal message through the key.
The remote side data decryption and classification system is a system platform developed based on C/C + + language, and the system platform is provided with a data classification module, a data message analysis module, a data file cutting module, each type of data sub-secret key application module of each wind power plant, a data message decompression module, a data file decompression module, a data message decryption module, a data file decryption module and a data pushing module.
And the data message analysis module is used for acquiring and providing the wind field mark, the timestamp and the type mark in the message for a day end system to record.
And the data file cutting module is used for acquiring and providing the wind field mark, the time stamp and the type mark in the data file name for a day end system to record.
Sixthly, the remote side day terminal system records the data decryption classification system and a message key information list or file name in the decrypted legal message in real time, and 0 point per day of the system generates a corresponding received wind power plant data message log in the previous day according to each wind power plant identifier.
Specifically, a legal message and a wind field mark, a timestamp and a type mark in a file are recorded in real time through a data message analysis module and a data file cutting module.
And seventhly, the data backup and reissue system on the wind field side performs real-time backup on data encryption of the data message of the sub-key system and records a key information list or a file name of the message in real time, and the system generates a backup data total list log of the previous day, a data list log which is not reissued in nearly seven days and a data list log which is not exported before the local week at 0 point every day. The data backup and reissue system requests a remote side day terminal system to receive a data message log on the previous day of the wind power plant after 0 point every day, compares the data message log with a backup data total list log on the previous day and a data list log which is not reissued in near seven days, re-pushes the backup data message which is not successfully sent in seven days to a data uploading system, uploads the data message which exceeds seven days and is not sent in 1 month to a downloading interface, so that local personnel can download the data manually at regular intervals, and reissue the data in a mailing mode; periodically compressing un-downloaded data messages which are not sent for more than 2 natural months in the backup data by month naming to automatically store the local disk; the backup data is automatically cleaned regularly every more than six months.
The message key information list or the file name is recorded in real time, and specifically refers to a wind field mark, a timestamp and a type mark contained in the data message after being recombined in the third part. In order to ensure a full-scale uploading mechanism of wind field data, a data backup and reissue system at the wind field side automatically reissues data of nearly 7 days and manually downloads data of nearly one month and periodically downloads data of 2 natural months, so that the data can be manually uploaded to different places for data transmission in a hard disk form.
Fig. 2 is a flowchart illustrating an internet-based method for transferring data of a wind turbine generator from a different location according to an exemplary embodiment. The method may comprise the steps of:
step S1, acquiring production area data and management area data of the wind power plant in real time; the data of the production area comprises data generated by each system of the production area of the wind power plant in operation, and the data of the management area comprises data generated by each system of the management area of the wind power plant in operation;
step S2, analyzing the data of each system, merging the data of the same meaning of each system, renaming the difference data according to the source system and then reserving the difference data;
step S3, classifying and recombining the merged and reserved data to generate a data message;
s4, encrypting and compressing the data message, and pushing the data message to a data uploading system and a data backup and transmission system;
and step S5, the data uploading system sends the data message to a data receiving system at a different side.
It should be understood that, although the steps in the flowchart of fig. 2 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a portion of the steps in fig. 2 may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
In some embodiments, the sending of the data message by the data uploading system to a data receiving system on a different side includes:
detecting a network bandwidth of the internet connection;
if the network bandwidth is larger than the first threshold value, the quality of the internet network is judged to be excellent, and the data uploading system sends the data message to a data receiving system at a different side through a private TCP/IP private protocol and/or an ftp file transfer protocol;
if the network bandwidth is smaller than the first threshold value and larger than the second threshold value, the internet network quality is judged to be good, and the data uploading system sends the data message to a data receiving system at a different place side through a private UDP/IP private protocol and/or an MQTT protocol and/or an ftp file transmission protocol;
and if the network bandwidth is smaller than a second threshold value, judging that the internet network quality is poor, uploading the data message to a private cloud by the data uploading system through a private cloud technology, and informing a data receiving system at a different side of downloading the data message from the private cloud.
The first threshold and the second threshold may be preset specific values according to actual conditions.
In some embodiments, the method further comprises:
the data backup and reissue system backs up the encrypted data message in real time and records a message key information list or a file name in real time;
according to a preset first time period, the data backup and reissue system generates at the starting moment of each first time period: a first list log, a second list log, and a third list log; the first list log is a backup data general list log in the last first time period, the second list log is a non-reissued data list log in the previous second time period, and the third list log is a non-exported data list log in the previous second time period;
at the starting moment of each first time period, the data backup and reissue system requests a fourth list log from a day end system at a different side; the fourth list log is a received data message log in the last first time period of the wind power plant;
and comparing the fourth list log with the first list log and the second list log, and re-pushing the backup data message which is not successfully sent in the second time period to the data uploading system.
Wherein the first time period is 24 hours and the second time period is 7 days.
In some embodiments, the method further comprises:
the data receiving system at the different place side pushes the legal data message to a data decryption classification system;
the data decryption classification system acquires the wind field mark to which the message belongs through the data message, and applies for a decryption key from the master key system through the wind field mark;
and decrypting and classifying the data message by the key.
In some embodiments, the method further comprises:
the day terminal system of the different side records the data decryption classification system and a message key information list or file name in the decrypted legal message in real time;
and the terminal day system generates a fourth list log according to each wind power plant identifier.
With regard to the method in the above-described embodiment, the specific operations performed in the steps have been described in detail in the embodiment related to the system, and are not described in detail here. It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar contents in other embodiments may be referred to for the contents which are not described in detail in some embodiments.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present application, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (10)
1. A wind turbine generator data remote transmission method based on the Internet is characterized by comprising the following steps:
acquiring production area data and management area data of a wind power plant in real time; the data of the production area comprises data generated by each system of the production area of the wind power plant in operation, and the data of the management area comprises data generated by each system of the management area of the wind power plant in operation;
analyzing the data of each system, combining the data of the same meaning of each system, renaming the difference data according to the source system of the difference data and then reserving the difference data;
classifying and recombining the merged and reserved data to generate a data message;
the data message is encrypted and compressed and then pushed to a data uploading system and a data backup and retransmission system;
the data uploading system sends the data message to a data receiving system at a different place side.
2. The method of claim 1, wherein the data transmission system transmits the data message to a data receiving system at a remote site, comprising:
detecting a network bandwidth of the internet connection;
if the network bandwidth is larger than the first threshold value, the data uploading system sends the data message to a data receiving system at a different side through a private TCP/IP private protocol and/or an ftp file transfer protocol;
if the network bandwidth is smaller than the first threshold and larger than the second threshold, the data uploading system sends the data message to a data receiving system at a different place side through a private UDP/IP private protocol and/or an MQTT protocol and/or an ftp file transfer protocol;
and if the network bandwidth is smaller than the second threshold value, the data uploading system uploads the data message to the private cloud through the private cloud technology and informs a data receiving system at a different place side to download the data message from the private cloud.
3. The method of claim 1 or 2, further comprising:
the data backup and reissue system backs up the encrypted data message in real time and records a message key information list or a file name in real time;
according to a preset first time period, the data backup and reissue system generates at the starting moment of each first time period: a first list log, a second list log, and a third list log; the first list log is a backup data general list log in the last first time period, the second list log is a non-reissued data list log in the previous second time period, and the third list log is a non-exported data list log in the previous second time period;
at the starting moment of each first time period, the data backup and reissue system requests a fourth list log from a day end system at a different side; the fourth list log is a received data message log in the last first time period of the wind power plant;
and comparing the fourth list log with the first list log and the second list log, and re-pushing the backup data message which is not successfully sent in the second time period to the data uploading system.
4. The method of claim 3, further comprising:
a data receiving system at a different place side pushes a legal data message to a data decryption and classification system;
the data decryption classification system acquires the wind field mark to which the message belongs through the data message, and applies for a decryption key from the master key system through the wind field mark;
and decrypting and classifying the data message by the key.
5. The method of claim 3, further comprising:
the day terminal system of the different side records the data decryption classification system and a message key information list or file name in the decrypted legal message in real time;
and the terminal day system generates a fourth list log according to each wind power plant identifier.
6. The utility model provides a wind turbine generator system data strange land transmission system based on internet which characterized in that includes: wind field side and remote side; the wind field side comprises a data collection and classification system, a data uploading system and a data backup and transmission system; the allopatric side comprises a data receiving system;
the data collection and classification system is used for acquiring production area data and management area data of the wind power plant in real time; the data of the production area comprises data generated by each system of the production area of the wind power plant in operation, and the data of the management area comprises data generated by each system of the management area of the wind power plant in operation;
the data collection and classification system is also used for analyzing the data of each system, combining the data with the same meaning of each system, renaming the difference data according to the source system of the difference data and then reserving the difference data; classifying and recombining the merged and reserved data to generate a data message; the data message is encrypted and compressed and then pushed to a data uploading system and a data backup and retransmission system;
the data uploading system is used for sending the data message to a data receiving system at a different side.
7. The system of claim 6, wherein the data upload system is specifically configured to:
detecting a network bandwidth of the internet connection;
if the network bandwidth is larger than the first threshold value, the data uploading system sends the data message to a data receiving system at a different side through a private TCP/IP private protocol and/or an ftp file transfer protocol;
if the network bandwidth is smaller than the first threshold and larger than the second threshold, the data uploading system sends the data message to a data receiving system at a different place side through a private UDP/IP private protocol and/or an MQTT protocol and/or an ftp file transfer protocol;
and if the network bandwidth is smaller than the second threshold value, the data uploading system uploads the data message to the private cloud through the private cloud technology and informs a data receiving system at a different place side to download the data message from the private cloud.
8. The system of claim 6 or 7, wherein the data backup replenishment system is configured to:
backing up the encrypted data message in real time, and recording a message key information list or a file name in real time;
according to a preset first time period, generating at the starting moment of each first time period: a first list log, a second list log, and a third list log; the first list log is a backup data general list log in the last first time period, the second list log is a non-reissued data list log in the previous second time period, and the third list log is a non-exported data list log in the previous second time period;
at the starting moment of each first time period, requesting a fourth list log from a day end system at a different side; the fourth list log is a received data message log in the last first time period of the wind power plant;
and comparing the fourth list log with the first list log and the second list log, and re-pushing the backup data message which is not successfully sent in the second time period to the data uploading system.
9. The system of claim 8 wherein said offsite side further comprises a data decryption classification system;
the data receiving system is used for pushing the legal data message to the data decryption classification system;
the data decryption classification system is used for acquiring the wind field mark to which the message belongs through the data message and applying for a decryption key from the master key system through the wind field mark; and decrypting and classifying the data message by the key.
10. The system of claim 8 wherein said offsite side further comprises a day end system;
the day end system is used for recording a data decryption classification system and a message key information list or file name in a decrypted legal message in real time; and generating a fourth list log according to each wind farm identification.
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