CN112068891A - PK 2200-based data acquisition system and method - Google Patents
PK 2200-based data acquisition system and method Download PDFInfo
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- CN112068891A CN112068891A CN202010914528.5A CN202010914528A CN112068891A CN 112068891 A CN112068891 A CN 112068891A CN 202010914528 A CN202010914528 A CN 202010914528A CN 112068891 A CN112068891 A CN 112068891A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/4401—Bootstrapping
- G06F9/4411—Configuring for operating with peripheral devices; Loading of device drivers
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- 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
- G01M11/02—Testing optical properties
-
- 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
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F40/00—Handling natural language data
- G06F40/10—Text processing
- G06F40/166—Editing, e.g. inserting or deleting
- G06F40/177—Editing, e.g. inserting or deleting of tables; using ruled lines
- G06F40/18—Editing, e.g. inserting or deleting of tables; using ruled lines of spreadsheets
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/3017—Runtime instruction translation, e.g. macros
Abstract
In order to solve the problems that the test data of the conventional PK2200 test equipment needs to be manually input into a computer, so that the data input efficiency is low and the error rate is high, the data acquisition system and method based on the PK2200 are provided, the data recording efficiency is improved, and the error rate of the data input is reduced. A PK 2200-based data acquisition method comprises the following steps: the computer sends a reading instruction to the PK2200 test device so as to read the test data of the PK2200 test device; and importing the test data into an Excel file. The application also discloses a corresponding PK2200 test equipment system. The PK2200 test equipment system and the method can prevent data recording errors caused by manually recording data and improve the efficiency and the accuracy of test data recording.
Description
Technical Field
The disclosure relates to the field of data acquisition, and in particular to a data acquisition system and method based on PK 2200.
Background
The PK2200 test equipment is optical fiber comprehensive parameter test equipment and is mainly used for measuring attenuation of single-mode multimode optical fiber under different wavelengths, cut-off wavelength of the single-mode optical fiber and mode field diameter of the single-mode optical fiber.
Since the PK2200 test equipment belongs to a very professional subdivision field, the test equipment of the brand belongs to oligopolistic monopoly, so that the equipment is relatively stable, but is expensive, laggard in an operating system, free of a network interface and a USB interface, and only has screen display output, print output and floppy disk output. When a tester tests, the tester can only manually record the detection result, so that the efficiency is extremely low, and the problems of wrong recorded data, non-standard recorded data and the like are easily caused in the manual transcription process.
Disclosure of Invention
In order to solve at least one of the above technical problems, the present disclosure provides a PK2200 based data collection system and method to improve data recording efficiency.
In a first aspect of the disclosure, a PK2200 based data collection method comprises:
the computer sends a reading instruction to the PK2200 test device so as to read the test data of the PK2200 test device;
and importing the test data into an Excel file by the computer.
Optionally, the computer performs the step of sending the read instruction to the PK2200 test device through a built-in function of the pyvisa library.
Optionally, before the computer sends the read instruction to the PK2200 testing apparatus, the method further includes:
the computer sends test commands to the PK2200 test device to control the PK2200 test device to perform the test steps.
Optionally, the computer performs the step of sending the test command to the PK2200 test device through a built-in function of the pyvisa library.
Optionally, the test instruction includes a wavelength selection instruction, a step wavelength setting instruction, and a wavelength point setting instruction.
Optionally, the computer executes the step of importing the test data into an Excel file based on a preset format through a function of a pyexcel library.
Optionally, the method further includes:
reading GPIB interface information by the computer through a built-in function of the pyvisa library to confirm whether the pyvisa library can identify the address of the PK2200 test equipment;
if the address of the PK2200 test device cannot be identified by the pyvisa library, then it is checked whether the GPIB driver loaded in the PK2200 test device is loaded correctly.
Optionally, before the computer sends the read instruction to the PK2200 testing apparatus, the method further includes:
MS OFFICE software, GPIB driver, python software, pyvisa library, pyexcel library and pycharm IDE software are installed in the computer.
Optionally, before the computer reads the GPIB interface information through a built-in function of the pyvisa library, the method further includes:
loading a GPIB driver in a PK2200 test apparatus;
connecting a GPIB interface of a GPIB-USB adapter card to a GPIB interface of PK2200 test equipment;
and connecting the USB interface of the GPIB-USB adapter card to the USB interface of the computer.
In a second aspect of the present disclosure, a PK2200 based data acquisition system comprises a PK2200 test device loaded with a GPIB driver, a GPIB-USB adapter card and a computer;
the USB interface of the computer is connected with the GPIB interface of the PK2200 test equipment through the GPIB-USB adapter card;
the computer comprises program code which, when executed by a computer, causes the computer to perform the method of any one of the first aspects of the present disclosure.
Has the advantages that: the computer sends a reading instruction to the K2200 testing equipment, reads the testing data of the PK2200 testing equipment, and imports the testing data into the Excel file, thereby preventing data recording errors caused by manually recording the data, improving the accuracy of the testing data, facilitating the user to operate the data in the Excel file by Excel software through the computer and improving the working efficiency of the user.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.
FIG. 1 is a flow chart of a PK 2200-based data collection method;
fig. 2 is a schematic connection diagram of a PK2200 based data acquisition system.
Detailed Description
The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1, a PK2200 based data collection method comprises:
at step S1, the computer sends a read instruction to the PK2200 test device to read the test data of the PK2200 test device.
In step S2, the computer imports the test data into an Excel file.
The computer may be a personal computer, an external device to the PK2200 test device;
the PK2200 test equipment is optical fiber comprehensive parameter test equipment.
The Excel is called Microsoft Office Excel, which is a piece of spreadsheet software written by computers using Windows and Apple Macintosh operating systems. An Excel file is a file within a computer.
According to the method, the computer sends a reading instruction to the K2200 testing equipment, the testing data of the PK2200 testing equipment are read, and the testing data are imported into the Excel file, so that data recording errors caused by manual data recording are prevented, the recording efficiency and accuracy of the testing data are improved, and a user can conveniently operate the data in the Excel file through Excel software through the computer.
Specifically, the computer performs the step of sending a read instruction to the PK2200 test device through a built-in function of the pyvisa library.
The above pyvisa library is a relevant library to the GPIB interface possessed by the programming language python; wherein, GPIB is general purpose interface bus; python is a cross-platform computer programming language.
In an alternative embodiment, before the computer sends the read command to the PK2200 test device, the method further comprises:
the computer sends test commands to the PK2200 test device to control the PK2200 test device to perform the test steps.
The computer sends a test command to the PK2200 test device to control the PK2200 test device to perform the test steps, i.e. control the PK2200 test device to perform the test to generate test data.
Specifically, the computer performs the step of sending the test command to the PK2200 test device through the built-in function of the pyvisa library.
Specifically, the test instruction includes a wavelength selection instruction, a step wavelength setting instruction, and a wavelength point setting instruction.
As can be known, the computer performs the step of importing the test data into the Excel file based on a preset format through a function of the pyexcel library.
Wherein the pyexcel library is related library of Excel possessed by the programming language python
In an optional embodiment, the method further comprises:
reading GPIB interface information by the computer through a built-in function of the pyvisa library to confirm whether the pyvisa library can identify the address of the PK2200 test equipment;
if the address of the PK2200 test equipment cannot be identified by the pyvisa library, checking whether a GPIB driver loaded in the PK2200 test equipment is correctly loaded;
if the pyvisa library identifies the address of the PK2200 test device, a computer program may be written to execute to send a read instruction to the PK2200 test device.
In one embodiment, before the computer reads the GPIB interface information through a built-in function of the pyvisa library, the method further includes:
loading a GPIB driver in a PK2200 test apparatus;
connecting a GPIB interface of a GPIB-USB adapter card to a GPIB interface of PK2200 test equipment;
and connecting the USB interface of the GPIB-USB adapter card to the USB interface of the computer.
Installing a win10 system, MS OFFICE software, GPIB drive, software above python.0, pyvisa library, pyexcel library and pycharm IDE software in a computer;
after the connection and installation are completed, python programming is carried out in phcharm IDE as much as possible, a pyvisa library is loaded in the first programming, and the programming is carried out to read the information related to the GPIB interface so as to confirm that the address of the PK2200 test equipment can be identified by the pyvisa library, if the address can be successfully identified, a programming stage is started, if the address cannot be identified, whether the GPIB interface drive of the PK2200 test equipment is correctly loaded or not is checked;
the fiber testing operation is then started, and there are two ways to test:
one is that the test was normally performed on PK2200, performed according to the user manual;
and secondly, remote control test is carried out through a GPIB interface. The PK2200 test device is remotely operated to test by programming in the computer's pycharm IDE to send device-built and recognizable commands to the PK2200 test device according to GPIB communication rules built in the PK2200 through built-in functions (such as inst. write ()) of the pyvisa library. PK2200 embeds relevant test commands in itself, supports batch processing/macro commands for establishing, modifying and running relevant command combinations, and supports GPIB interface remote control, so that relevant test work can be completed as in the device itself by sending macro commands to the interface, such as setwaves (1000 to 1600step 10), specatrun and specatref commands.
After the test is finished, programming is carried out in pycharm IDE of the PC, and a read instruction which can be identified by the device is sent to the PK2200 through built-in function inst.write () of a pyvisa library so as to read test data (memory data) of the PK2200 test device;
there are two implementations at this time:
example one:
1. is "SPECATRESULT" sent using pyvisa resources, messagebaseresource, query _ ascii _ values ()? "Command to PK2200, the result data array currently stored in PK2200 is acquired.
2. Writing the obtained result data sequence into a local excel file of a PC (personal computer) for storage according to a fixed format by using a python library through python programming;
example two:
1. send "SENDALL" command to PK2200 using pyvisa resources, messagebaseresource, query _ ascii _ values (), get all the result data currently stored in PK2200 to PC local.
2. The obtained data is ARC files, relevant result data are obtained through the decompression of freeacr software, and data results are copied to local excel files for storage.
The data in the EXCEL file mainly comprise the wavelength of the optical fiber and the corresponding attenuation value, a relation chart between the wavelength and the attenuation can be established in the EXCEL, and the relation chart has very strong advantages and convenience as the strong term of the EXCEL compared with the PK2200 device, so that the attenuation condition of the optical fiber can be analyzed and tested more conveniently.
In one embodiment, referring to fig. 2, a PK2200 based data acquisition system comprises a PK2200 test device 1 loaded with a GPIB driver, a GPIB-USB adapter card 2 and a computer 3;
the USB interface of the computer is connected with the GPIB interface of the PK2200 test equipment through a GPIB-USB adapter card;
the computer includes program code that, when executed by the computer, causes the computer to perform any of the data collector methods of the embodiments of the present application.
Wherein, GPIB in fig. 2 indicates that a GPIB interface of a GPIB-USB adapter card is connected to a GPIB interface of PK2200 test equipment; the USB in fig. 2 indicates that the USB interface of the GPIB-USB adapter card is connected to the USB interface of the computer.
The system and the method can conveniently acquire data into the excel file, facilitate subsequent secondary data processing and analysis, have high efficiency and standard and accurate data, and lay a foundation for automatically generating the detection report. The system and the method realize the functions by python programming because of the GPIB interface of the PK2200 test equipment, a pyvisa library which is a relative library of a programming language python to the GPIB interface and an operable pyexcel library. The Python programming language is simple and easy to understand, the programming is basically one-time programming, the subsequent repeated execution can be carried out, excessive adjustment is not needed, and the program maintenance is convenient. Python has powerful network functions, and the method can provide instance experience for acquiring PK brand equipment through the network.
In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.
Claims (10)
1. The PK 2200-based data acquisition method is characterized by comprising the following steps:
sending a reading instruction to a PK2200 test device by a computer so as to read test data of the PK2200 test device;
and the computer imports the test data into an Excel file.
2. The PK2200 based data acquisition method according to claim 1, wherein said computer performs said step of sending a read instruction to the PK2200 test device through a built-in function of the pyvisa library.
3. The PK2200 based data collection method of claim 1, wherein before said computer sends a read command to the PK2200 test device, further comprising:
the computer sends test commands to the PK2200 test device to control the PK2200 test device to perform the test steps.
4. The PK2200 based data acquisition method according to claim 3, wherein said computer performs said step of sending test commands to the PK2200 test device through a built-in function of the pyvisa library.
5. The PK2200 based data acquisition method according to claim 3, wherein said test instructions comprise wavelength selection instructions, step wavelength setting instructions and wavelength point setting instructions.
6. The PK2200 based data acquisition method according to claim 1, wherein said computer performs said step of importing said test data into an Excel file based on a preset format through a function of pyexcel library.
7. The PK2200 based data collection method of claim 1, wherein before said computer sends a read command to the PK2200 test device, further comprising:
the computer reads the GPIB interface information through a built-in function of the pyvisa library to confirm whether the pyvisa library recognizes the address of the PK2200 test device.
8. The PK2200 based data collection method of claim 7, wherein before said computer sends read instructions to the PK2200 test device, further comprising:
MS OFFICE software, GPIB driver, python software, pyvisa library, pyexcel library and pycharide software are installed in the computer.
9. The PK2200 based data acquisition method according to claim 7, wherein before said computer reads GPIB interface information through a built-in function of pyvisa library, further comprising:
loading a GPIB driver in said PK2200 test apparatus;
connecting a GPIB interface of a GPIB-USB adapter card to a GPIB interface of PK2200 test equipment;
and connecting the USB interface of the GPIB-USB adapter card to the USB interface of the computer.
10. The PK 2200-based data acquisition system is characterized by comprising PK2200 test equipment loaded with a GPIB drive, a GPIB-USB adapter card and a computer;
the USB interface of the computer is connected with the GPIB interface of the PK2200 test equipment through the GPIB-USB adapter card;
the computer comprises program code which, when executed by a computer, causes the computer to perform the method of any of claims 1-9.
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