CN109510720B - Optical fiber test data acquisition method based on industrial internet platform - Google Patents

Optical fiber test data acquisition method based on industrial internet platform Download PDF

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Publication number
CN109510720B
CN109510720B CN201811235046.6A CN201811235046A CN109510720B CN 109510720 B CN109510720 B CN 109510720B CN 201811235046 A CN201811235046 A CN 201811235046A CN 109510720 B CN109510720 B CN 109510720B
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optical fiber
edge server
data acquisition
test
program
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CN109510720A (en
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何幼林
邵慧
周冠宇
朱道远
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SHANTOU HIGH-TECH ZONE AOXING OPTICAL COMMUNICATION EQUIPMENT Co.,Ltd.
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Yangtze Optical Fibre and Cable Co Ltd
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    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/14—Arrangements for monitoring or testing data switching networks using software, i.e. software packages
    • 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
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • 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
    • H04L67/2866—Architectures; Arrangements
    • H04L67/30—Profiles

Abstract

The invention provides an optical fiber test data acquisition method based on an industrial internet platform, which comprises a test device for setting optical fibers and an edge server, wherein the edge server is provided with a double network card and a network cable; copying a configuration file and a data acquisition program into optical fiber testing equipment, wherein configuration information of the configuration file comprises an IP address of an edge server network port A; adding a command for executing a data acquisition program into an optical fiber test program of the optical fiber test equipment; deploying a forwarding program on the edge server; after the test is finished, the optical fiber test program executes a data acquisition program command, extracts a data acquisition result according to the test result, and uploads parameter data in the data acquisition program command and an attachment text corresponding to the data acquisition result to the edge server; and the application program receives the data uploaded by the edge server, calculates according to the service requirement and stores the data. The invention has the advantages of rapid realization of interconnection and intercommunication of the test equipment, high safety and strong real-time property.

Description

Optical fiber test data acquisition method based on industrial internet platform
Technical Field
The invention relates to the field of industrial internet, in particular to an optical fiber test data acquisition method based on an industrial internet platform.
Background
In order to realize intelligent manufacturing and improve the accuracy and real-time performance of process analysis, the test results of various test devices need to be collected into a production management system, data analysis, calculation and judgment of optical fiber quality are carried out, and a subsequent test flow is guided.
There are many kinds of optical fiber measuring equipment, such as CD400, PMD400, PK2300, etc., and equipment manufacturers are continuously launching new equipment. If the data and file collection program is developed for each test device, it takes a lot of time and is not universal. For the test equipment with an unopened interface, the mode of manual input and file copying can only be adopted, errors are easy to occur, the real-time performance is poor, and information security events are easy to cause when a U disk is used for copying files.
The optical fiber testing equipment urgently needs a general method which has high safety and can quickly realize data and file acquisition.
Disclosure of Invention
The invention aims to provide an optical fiber test data acquisition method based on an industrial internet platform, which can quickly realize that test data and result files in different optical fiber test equipment are uploaded to a specified edge server through a network port through simple configuration, the edge server carries out preliminary analysis and calculation, intermediate result data are forwarded to a supply system, and calculation judgment and storage are carried out on the intermediate result data to an enterprise data center server. The dual-network card configuration and forwarding mechanism of the edge server realizes hardware isolation and software isolation, and ensures information safety.
The technical scheme of the invention provides an optical fiber test data acquisition method based on an industrial internet platform, which comprises the following steps,
step 1, setting optical fiber testing equipment and an edge server, wherein the step comprises the steps of installing a network card and a network cable in the optical fiber testing equipment and accessing a workshop local area network; an edge server is installed in the test workshop, a double network card and a network cable are installed on the edge server, a network port A and a network port B are provided, the network port A is connected to a workshop local area network and establishes communication with optical fiber test equipment, and the network port B is connected to an enterprise intranet and establishes communication with a central computer room server;
step 2, copying a configuration file and a data acquisition program into the optical fiber testing equipment, wherein configuration information of the configuration file comprises an IP address of an edge server network port A;
step 3, adding a command for executing a data acquisition program into an optical fiber test program of the optical fiber test equipment;
step 4, deploying a forwarding program on the edge server;
step 5, after the optical fiber is tested by the optical fiber testing equipment, the optical fiber testing program executes a data acquisition program command, extracts a data acquisition result according to the test result, and uploads parameters in the data acquisition program command and corresponding accessories of the data acquisition result to the edge server;
step 6, through a forwarding program on the edge server, the portal A receives parameters in the data acquisition program command through RESTFul service, processes the parameters according to the corresponding flow, receives accessories uploaded by the optical fiber testing equipment, and uploads intermediate result data to an application program of a central machine room server through the portal B after corresponding analysis and calculation;
and 7, receiving the data uploaded by the edge server by the application program, calculating according to the service requirement, and storing the data.
In step 5, the data acquisition program uses a socket mode to realize the uploading of the accessories, and the realization steps are as follows,
a. reading parameters of a configuration file set.ini, wherein the parameters comprise a test equipment number, an IP address of an edge server network port A, an edge server port number, a web service URL address, an edge server user name and password, and a path and a file name of an uploaded attachment;
b. reading an IP address, a subnet mask, a gateway and a domain name of the test equipment, and initializing a protocol stack;
c. judging the validity of the address of the edge server, sending a socket connection request to the edge server, and sending configuration information of a configuration file after the socket connection is established between the test equipment and the edge server;
d. sending an accessory, wherein the accessory comprises header information and data information of the accessory, and the header information comprises an accessory path, an accessory name and an accessory serial number;
e. and transmitting data end information and an end symbol.
And, in step 7, the application program receives the data uploaded by the edge server through the RESTFul service.
And, the parameters in the data collection program command include the type of the branch program corresponding to the designated edge server program.
And moreover, a plurality of optical fiber testing devices are arranged, and data acquisition of different optical fiber testing devices is realized rapidly.
According to the optical fiber test data acquisition method based on the industrial Internet platform, provided by the invention, the data acquisition of different optical fiber test equipment can be quickly realized through simple configuration, and the software development work related to the data acquisition is remarkably reduced. Hardware isolation is realized through the edge server provided with the double network cards, software isolation is realized through a forwarding program in the edge server, and information safety is effectively guaranteed.
Compared with the data acquisition mode which is customized and developed for each kind of test equipment and is adopted in the prior art, the method has the advantage of quickly realizing interconnection and intercommunication of the test equipment; compared with a method for manually filling in a form and inputting data, the method has the advantages of strong real-time performance and high accuracy; compared with a method for copying a test result data file by a USB flash disk, the method has the advantages of strong real-time performance and high safety; compared with a method for realizing data acquisition by directly accessing the test equipment to the intranet, the method has the advantages of high safety and strong real-time property.
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Fig. 1 is a schematic view of an application scenario according to an embodiment of the present invention.
Detailed Description
The invention provides an optical fiber data acquisition method based on an industrial internet platform, which can realize optical fiber data acquisition by referring to the architecture of the industrial internet platform, and comprises the following steps:
1. setting optical fiber testing equipment and an edge server: and installing a network card and a network cable in the test equipment, and accessing the local area network in the workshop. An edge server is installed in the testing workshop, a double network card and a network cable are installed on the edge server, the double network card provides a network port A and a network port B, the network port A is connected into the workshop local area network and used for establishing communication with the testing equipment, and the network port B is connected into an enterprise intranet and used for being connected with a server of an enterprise center machine room.
In the embodiment, 2 optical fiber test devices CD400, 2 optical fiber test devices PMD400, and 1 optical fiber test device LFS, wherein the CD400, PMD400, and LFS are all long optical fiber test devices, and are used for testing process parameters of a long optical fiber, such as attenuation, uniformity, mode field diameter, and the like. And the test equipment is provided with a network card and is accessed to a local area network of the test workshop. 1 edge server, two network cards are installed, net port A is connected to the LAN of the testing workshop, net port B is connected to the intranet of the enterprise, and the server is used for establishing communication with the central machine room server of the enterprise. In specific implementation, an enterprise usually sets a central machine room server for upper management.
2. The configuration file and the data acquisition program are copied into the fiber optic test equipment.
In the embodiment, the configuration file set.ini and the data collection program upfile.exe are copied to the test equipment. And configuring the number of the test equipment, the IP address of the edge server network port A, the port number of the edge server, the URL address of the web service, the user name and the password of the edge server, and the uploading path and the uploading name of the attachment in a configuration file set.
In specific implementation, the data acquisition program upfile.exe and the configuration file set.ini are respectively copied to any same directory of each testing device. Taking LFS as an example, the configuration file configures the test equipment number: LFS, IP address of edge server portal a 192.168.0.201, edge server port number 80, web service URL address: webservice/dataload/test, edge server user name and password admin 111, upload attachment path and name C/trace.
3. The optical fiber test equipment adds the command of executing the data acquisition program into the original optical fiber test program or script program. For example, the command to execute the data collection program is recorded as: upfile c: \\ set.ini "parameter 1", "parameter 2", "parameter 3", "parameter 4" … "parameter n". n is the number of parameter classes. Wherein, the parameter 1 is the user name and password of the edge server, the parameter 2 is the URL address of the web service, and if the parameter 1 or the parameter 2 is null, the parameter in the configuration file in the step 2 is adopted. "parameter 3" indicates whether there is an attachment to upload, and null or y checks the configuration file. In the embodiment, the setting of null or y represents that the attachment needs to be uploaded, and at this time, the path and name of the attachment need to be uploaded in the configuration file. The parameters from the 4 th parameter are variable parameters, and can be omitted or set according to actual requirements. When the setting from the parameter 4 to the parameter n is selected, the setting can be customized by a user, when the parameter content is different, the edge server program has different branch programs to process the uploaded parameters, and the corresponding branch programs can be mapped by the parameter type.
For example, when a branch program corresponding to a product number, a product length, a product grade, and an edge server program needs to be uploaded, the corresponding variable names in the program are respectively: product ID, product Length, product level, type, then parameter 4 is product ID, parameter 5 is product Length, parameter 6 is product level, parameter 7 is type, n is 7 under this condition.
Taking LFS as an example, a command for executing data acquisition is added to the test program: upfile c: \ set.ini.
Through the command of the data acquisition program, the data acquisition result can be extracted according to the test result and uploaded in an accessory form. The method for uploading the accessory by using the socket in the data acquisition program upfile.exe comprises the following steps:
a. reading parameters of a configuration file set.ini, wherein the parameters comprise a test equipment number, an IP address of an edge server network port A, an edge server port number, a web service URL address, an edge server user name and password, and a path and a file name of an uploaded attachment;
specifically, if the parameters 1 and 2 are already in the command for executing the data acquisition program, the web service URL address, the edge server user name and the password do not need to be read from the set.ini of the configuration file based on the parameters in the command.
b. Reading the IP address, subnet mask, gateway and domain name of the test equipment, and initializing a protocol stack for network communication;
c. judging the validity of the IP address of the edge server network port A, sending a socket connection request to the edge server, and sending configuration information, namely information contained in the configuration file in the step 2, after the socket connection is established between the test equipment and the edge server;
d. sending an accessory, wherein the accessory comprises header information and data information (the data information is a test result obtained by test equipment) of the accessory, and the header information comprises an accessory path, an accessory name and an accessory serial number;
e. and transmitting data end information and an end symbol.
socket is an intermediate software abstraction layer, which is a set of interfaces, for the application layer to communicate with the TCP/IP suite of protocols. The invention realizes the uploading of the accessories by adopting a socket mode, and has convenient use and strong universality.
4. A forwarding program is deployed on the edge server. And the forwarding program is used for receiving and forwarding the data or the file uploaded by the test equipment. The uploaded data refers to parameters 4 to n in a command line for executing a data acquisition program, and the uploaded file refers to an attachment in a configuration file.
5. And testing the optical fiber, and after the test is finished, executing a data acquisition program command by a test program.
When the method is specifically implemented, a test program (or script) in the test automatically executes a data acquisition program command, uploads data and text to the edge server, and can observe whether the data is uploaded successfully or not according to display on a screen of the test equipment. If the upload fails, a network failure needs to be checked.
Taking LFS as an example, the attachment trace. txt is uploaded to the edge server, and if the uploading fails, a prompt dialog box of "uploading failure" is displayed on the LFS screen of the testing device.
6. Through a forwarding program on the edge server, the edge server portal a receives data or files uploaded by the test equipment based on restful (representational State transfer) service and processes forwarding.
In the embodiment, through a forwarding program on the edge server, the portal a receives parameters (from the results uploaded in the steps a to e) in the command line through the RESTFul service, processes the parameters according to the corresponding flow, receives the attachments uploaded by the test equipment, and forwards and uploads the obtained intermediate result data to the application program through the portal B after analysis and calculation. During specific implementation, the command line parameters can set the flow type corresponding to the application program according to the needs of the user, and the function is that if the value of the type is A, the edge server forwarding program calls the flow A for processing, and if the value of the type is B, the edge server forwarding program calls the flow B for processing, so that the user can flexibly set the flow type according to the needs.
Taking LFS as an example, the edge server receives a file trace.txt, where original data of LFS test is stored, and the edge server performs process calculations such as parsing, consistency, variable point detection, and the like on the text, and uploads the calculation result to the application program through the network port B. The application program is deployed on a server of an enterprise central computer room.
And 7, the application program receives the intermediate result data uploaded by the edge server through RESTFul service, performs subsequent calculation according to the service requirement, and stores the result in a database of the enterprise data center.
In specific implementation, the above process can adopt computer software technology to realize automatic operation process.
Referring to fig. 1, a scenario for proposing to apply the optical fiber test data acquisition method provided by the present invention is as follows:
a pre-processing station for placing the optical fiber sample into a tray with an RFID label attached; the transmission line is used for carrying a sample to be tested (including a tray); the manipulator is used for transporting the sample (including the tray) to be tested to the corresponding testing equipment, taking the tested sample (including the tray) away from the testing equipment and putting the tested sample back to the transportation line; the RFID read-write heads are arranged at each testing device and used for reading the label information on the tray; the PLC is used for acquiring data of the manipulator and the RFID and realizing logic control of the manipulator; the test equipment is used for testing the sample; and the edge server is used for acquiring a test result generated on the test equipment. Finally, a sorting station can be arranged to send the tested sample to the next procedure.
Each test equipment attachment may be equipped with a manipulator for taking and coupling optical fibers. The logistics equipment is a transmission line, and the mechanical arm can take the optical fiber from the transmission line. The preprocessing station and the sorting station are respectively provided with an upper computer which is respectively used for displaying a preprocessing operation guide page and a sorting processing guide page. The automatic test production line is provided with an edge server for edge calculation and data caching, and a large-size display for displaying the real-time state and alarm information of the test equipment and logistics equipment of the whole production line and displaying the real-time position information of the optical fiber.
The edge server is provided with double network cards which respectively provide a network port A and a network port B, the network port A is connected into a local area network of the test workshop, the network port B is connected into an internal network of a company, upper computers of each test device, each PLC, each manipulator, each RFID, each preprocessing station and each sorting station and a host of each large-size display are connected into the local area network of the test workshop, and the specific connection can be realized by adopting a switch. The PLC is a programmable logic controller, the RFID is a radio frequency identifiable tag, and the position is shown in figure 1.
In specific implementation, a plurality of OTDR test devices may be set, and other test devices may also be set. For example, in the embodiment, the test equipment comprises a plurality of pieces of PK8000, and the equipment number is PK8000-A, PK8000-B, PK8000-C …; 2 PMD400 with equipment number PMD400-A, PMD 400-B; 1 CD400, equipment number CD 400-A.
Although the present invention has been described in detail and illustrated with reference to the embodiments, the present invention and the applicable embodiments are not limited thereto, and those skilled in the art can make various modifications according to the principle of the present invention and can also apply a part of the method of the present invention to other systems. Thus, modifications made in accordance with the principles of the present invention should be understood to fall within the scope of the present invention.

Claims (5)

1. An optical fiber test data acquisition method based on an industrial internet platform is characterized in that: based on the architecture of the industrial internet platform, the data acquisition of different optical fiber test devices is rapidly realized, the hardware isolation is realized by an edge server provided with double network cards, the software isolation is realized by a forwarding program in the edge server, the information safety is ensured, the realization mode is that,
a pre-processing station for placing the optical fiber sample into a tray with an RFID label attached; the transmission line is used for carrying a sample to be tested; the manipulator is used for carrying the sample to be tested to the corresponding testing equipment, taking the tested sample away from the testing equipment and putting the tested sample back to the transportation line; the RFID read-write heads are arranged at each testing device and used for reading the label information on the tray; the PLC is used for acquiring data of the manipulator and the RFID and realizing logic control of the manipulator; the test equipment is used for testing the sample; the edge server is used for acquiring a test result generated on the test equipment; finally, a sorting station is arranged to send the tested sample to the next procedure;
each test equipment accessory is provided with a manipulator for taking optical fibers and coupling the optical fibers; the logistics equipment is a transmission line, and the manipulator takes the optical fiber from the transmission line; the preprocessing station and the sorting station are respectively provided with an upper computer which is respectively used for displaying a preprocessing operation guide page and a sorting processing guide page; the automatic test production line is provided with an edge server for edge calculation and data caching, and a large-size display for displaying the real-time state and alarm information of the test equipment and logistics equipment of the whole production line and displaying the real-time position information of optical fibers;
the edge server is provided with double network cards which respectively provide a network port A and a network port B, the network port A is connected into a local area network of the test workshop, the network port B is connected into an internal network of a company, upper computers of all test equipment, a PLC (programmable logic controller), a manipulator, an RFID (radio frequency identification device), a preprocessing station and a sorting station and a host of a large-size display are connected into the local area network of the test workshop, and the connection is realized by adopting a switch; the PLC is a programmable logic controller, and the RFID is a radio frequency identifiable tag;
the data acquisition process includes the following steps,
step 1, setting optical fiber testing equipment and an edge server, wherein the step comprises the steps of installing a network card and a network cable in the optical fiber testing equipment and accessing a workshop local area network; an edge server is installed in the test workshop, a double network card and a network cable are installed on the edge server, a network port A and a network port B are provided, the network port A is connected to a workshop local area network and establishes communication with optical fiber test equipment, and the network port B is connected to an enterprise intranet and establishes communication with a central computer room server;
step 2, copying a configuration file and a data acquisition program into the optical fiber testing equipment, wherein configuration information of the configuration file comprises an IP address of an edge server network port A;
step 3, adding a command for executing a data acquisition program into an optical fiber test program of the optical fiber test equipment;
step 4, deploying a forwarding program on the edge server;
step 5, after the optical fiber is tested by the optical fiber testing equipment, the optical fiber testing program executes a data acquisition program command, extracts a data acquisition result according to the test result, and uploads parameters in the data acquisition program command and corresponding accessories of the data acquisition result to the edge server;
step 6, through a forwarding program on the edge server, the portal A receives parameters in the data acquisition program command through RESTFul service, processes the parameters according to the corresponding flow, receives accessories uploaded by the optical fiber testing equipment, and uploads intermediate result data to an application program of a central machine room server through the portal B after corresponding analysis and calculation;
and 7, receiving the data uploaded by the edge server by the application program, calculating according to the service requirement, and storing the data.
2. The optical fiber test data acquisition method based on the industrial internet platform as claimed in claim 1, wherein: in step 5, the data acquisition program uses a socket mode to realize the uploading of the accessories, and the realization steps are as follows,
a. reading parameters of a configuration file set.ini, wherein the parameters comprise a test equipment number, an IP address of an edge server network port A, an edge server port number, a web service URL address, an edge server user name and password, and a path and a file name of an uploaded attachment;
b. reading an IP address, a subnet mask, a gateway and a domain name of the test equipment, and initializing a protocol stack;
c. judging the validity of the address of the edge server, sending a socket connection request to the edge server, and sending configuration information of a configuration file after the socket connection is established between the test equipment and the edge server;
d. sending an accessory, wherein the accessory comprises header information and data information of the accessory, and the header information comprises an accessory path, an accessory name and an accessory serial number;
e. and transmitting data end information and an end symbol.
3. The optical fiber test data acquisition method based on the industrial internet platform as claimed in claim 1, wherein: in step 7, the application program receives the data uploaded by the edge server through the RESTFul service.
4. The optical fiber test data acquisition method based on the industrial internet platform as claimed in claim 1, 2 or 3, wherein: the parameters in the data acquisition program command include a branch program type corresponding to the designated edge server program.
5. The optical fiber test data acquisition method based on the industrial internet platform as claimed in claim 1, 2 or 3, wherein: a plurality of optical fiber testing devices are arranged, and data acquisition of different optical fiber testing devices is rapidly realized.
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