CN110286269B - Automatic acquisition and analysis method for impedance information of PCB (printed circuit board) - Google Patents
Automatic acquisition and analysis method for impedance information of PCB (printed circuit board) Download PDFInfo
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- CN110286269B CN110286269B CN201910510416.0A CN201910510416A CN110286269B CN 110286269 B CN110286269 B CN 110286269B CN 201910510416 A CN201910510416 A CN 201910510416A CN 110286269 B CN110286269 B CN 110286269B
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- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
Abstract
A PCB impedance information automatic acquisition and analysis method relates to the field of PCB impedance information acquisition, and comprises the following steps: (a) acquiring impedance test data of the PCB through an impedance tester; (b) storing the test data in the background of the impedance tester; (c) after the test data are stored in the background of the impedance tester and delayed for 3 minutes, the IT program judges the test data and sends effective data to an ERP system; (d) comparing the test data file with the last modification date and the file size of the file in the record of the ERP system, if the test data file is different from the file in the record of the ERP system, reading the file content again, and associating the obtained data with the ERP system only if the test data file is the same as the file in the record of the ERP system; (e) the ERP system processes the test data into a report form, so that the personnel efficiency of a company is improved, analysis is convenient, improvement is facilitated, the extension is realized, the possibility is provided for automatic acquisition of other equipment data of the company, and meanwhile, a reliable basis is provided for the realization of intelligent production of the company.
Description
Technical Field
The invention relates to the field of PCB impedance information acquisition, in particular to a PCB impedance information automatic acquisition and analysis method.
Background
With the rapid improvement of signal transmission speed and the wide application of high-frequency circuits, higher requirements are also put forward on printed circuit boards, and to obtain complete, reliable, accurate and noise-free transmission signals, it is necessary to ensure that the signals of the printed circuit boards do not generate reflection phenomenon, are complete and have low transmission loss in the transmission process, and play a role in matching impedance.
In summary, data of the impedance test of the PCB must be obtained in time and analyzed and improved, so that the timely acquisition of the impedance test data is very important, however, the data is often acquired after being stored in a background and being acquired after a period of time in the conventional acquisition of the impedance test data of the PCB, and the data management is disordered due to the disordered processing flow of the impedance data.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides an automatic acquisition and analysis method for PCB impedance information, which is used for solving the problem that the impedance information of the existing PCB is not acquired timely enough, and the data management is disordered due to the disordered data processing flow.
The purpose of the invention is realized by the following technical scheme:
a PCB impedance information automatic acquisition and analysis method is characterized by comprising the following steps: (a) acquiring impedance test data of the PCB through an impedance tester; (b) storing the test data in the background of the impedance tester; (c) after the test data are stored in the background of the impedance tester and delayed for 3 minutes, the IT program judges the test data and sends effective data to an ERP system; (d) comparing the last modification date and the file size of the test data file with those of the files in the ERP system record, if the test data file and the files in the ERP system record are different, reading the file content again, and associating the obtained data with the ERP system only if the last modification date and the file size of the test data file and the files in the ERP system record are the same; (e) the ERP system processes the test data into a report form.
Further, the impedance tester is specifically a Polar CITS800s4/CITS900s4 impedance machine.
Further, the impedance data saved in the background is an clf format document.
Further, the clf format document content is in English or Chinese.
Further, the IT program may accommodate different device/software versions.
Further, the test data comprises corresponding models, qualified points of test dates, failure points, qualified groups and failed groups.
The invention has the beneficial effects that: compared with the prior art, the invention realizes the timely automatic identification and collection of the impedance test data through the IT program, and presents a simple and clear report form through the ERP system, thereby not only improving the personnel efficiency of the company, facilitating the analysis and being beneficial to the improvement, but also providing the possibility for the automatic collection of other equipment data of the company, and simultaneously providing a reliable basis for the realization of the intelligent production of the company.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived on the basis of the following drawings without inventive effort.
Fig. 1 is a flowchart of a method for automatically collecting and analyzing impedance information of a PCB according to an embodiment of the present invention.
Fig. 2 is an clf document in english format of a method for automatically collecting and analyzing impedance information of a PCB according to an embodiment of the present invention.
Fig. 3 is a chinese format clf document of a PCB impedance information automatic collection and analysis method according to an embodiment of the present invention.
Fig. 4 is a code screenshot of the IT program code of a method for automatically collecting and analyzing impedance information of a PCB panel according to an embodiment of the present invention, which is adapted to different devices/software.
Fig. 5 is a report diagram presented by the ERP system of the method for automatically collecting and analyzing the impedance information of the PCB according to an embodiment of the present invention.
Detailed Description
The invention is further described with reference to the following examples.
Example 1
As shown in fig. 1, the method for automatically acquiring and analyzing impedance information of a PCB of this embodiment includes the following steps: (a) acquiring impedance test data of the PCB through an impedance tester; (b) storing the test data in the background of the impedance tester; (c) after the test data are stored in the background of the impedance tester and delayed for 3 minutes, the IT program judges the test data and sends effective data to an ERP system; (d) comparing the test data file with the last modification date and the file size of the file in the record of the ERP system, and associating the obtained data with the ERP system when the test data file is different from the last modification date and the file size of the file in the record of the ERP system; (e) the ERP system processes the test data into a report form.
In the embodiment, preferably, the impedance tester selects a Polar CITS800s4/CITS900s4 impedance machine, the impedance machine can provide differential and single-ended measurement functions, four channels for flexible probe connection are provided, and the core TDR module has a main frequency bandwidth of 1.75GHZ, stable quality, accurate precision and strong antistatic capability.
As shown in fig. 2, the impedance data of the present embodiment is stored as an clf-format document in english.
As shown in fig. 4, the IT program of the present embodiment can accommodate different software/device versions.
As shown in fig. 5, the test data of this embodiment includes the corresponding model, the qualified point number, the failed point number, the qualified group number, and the failed group number on the test date.
The specific implementation process of this embodiment is as follows:
a tester tests impedance data of a PCB through a Polar CITS800s4/CITS900s4 impedance machine, the Polar CITS800s4/CITS900s4 impedance machine saves the tested impedance data in an English version clf format in the background, after new data are saved in the background every time, 3 minutes are delayed, an IT program collects the impedance data without error in the format, the IT program can adapt to the impedance data obtained by different devices/software due to the fact that various conditions are considered, the IT program compares the collected impedance data with the last modification date and the file size of a file in an ERP record, the file content is read again as long as one is different, the impedance data are sent to the ERP system only when the two are the same, the ERP presents the corresponding model, the qualified test date, the qualified failure point, the qualified group number, the failed group number and the like in a report, quality personnel can easily judge the quality of the PCB according to the report information, and can make a decision in time when finding a problem, so that the quality of the PCB is improved, the personnel efficiency of a company is improved, analysis is convenient, and improvement is facilitated. Therefore, the method and the device extend, provide possibility for automatic data acquisition of other devices of a company, and provide reliable basis for the realization of intelligent production of the company.
Example 2
As shown in fig. 3, other steps of the present embodiment are the same as those of embodiment 1, except that: the clf document in this embodiment is saved as a chinese version.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. A PCB impedance information automatic acquisition and analysis method is characterized by comprising the following steps:
(a) acquiring impedance test data of the PCB through an impedance tester;
(b) storing the test data in the background of the impedance tester;
(c) after the test data are stored in the background of the impedance tester and delayed for 3 minutes, the IT program judges the test data and sends effective data to an ERP system; the effective data is test data with a correct format;
(d) comparing the test data file with the last modification date and the file size of the file in the ERP system record, reading the file content again as long as one is different, and associating the obtained test data file with the ERP system only when the test data file is the same as the last modification date and the file size of the file in the ERP system record;
(e) the ERP system processes the test data file into a report form.
2. The method as claimed in claim 1, wherein the impedance tester is a Polar CITS800s4/CITS900s4 impedance machine.
3. The method for automatically collecting and analyzing PCB impedance information of claim 1, wherein the impedance test data stored in the background is clf format document.
4. The method for automatically collecting and analyzing impedance information of a PCB as claimed in claim 3, wherein the clf-formatted document contents are English or Chinese.
5. The method for automatically collecting and analyzing impedance information of PCB board as claimed in claim 1, wherein said IT program is adapted to different device/software versions.
6. The automatic acquisition and analysis method for impedance information of a PCB as claimed in claim 1, wherein the impedance test data includes corresponding model number, qualified point number on test date, failed point number, qualified group number, and failed group number.
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| CN201910510416.0A CN110286269B (en) | 2019-06-13 | 2019-06-13 | Automatic acquisition and analysis method for impedance information of PCB (printed circuit board) |
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| CN101413973B (en) * | 2008-11-26 | 2011-07-20 | 电子科技大学 | System and method for testing characteristic impedance of circuit board |
| CN101876674B (en) * | 2009-04-30 | 2012-11-21 | 鸿富锦精密工业（深圳）有限公司 | Characteristic impedance testing system and method |
| CN101662503B (en) * | 2009-09-14 | 2012-09-05 | 金蝶软件（中国）有限公司 | Information transmission method, proxy server and service system in network |
| CN101793933B (en) * | 2010-03-26 | 2011-11-09 | 浙江大学 | Online measuring system for contact resistors of electric connector |
| CN201955811U (en) * | 2010-12-06 | 2011-08-31 | 广东够快物流信息科技有限公司 | RFID-based public warehouse real-time information management system |
| US20130082843A1 (en) * | 2011-09-30 | 2013-04-04 | Apple Inc. | Detection of fracture of display panel or other patterned device |
| CN105354240B (en) * | 2015-10-14 | 2019-09-06 | 金蝶软件（中国）有限公司 | Report file treating method and apparatus |
| CN105955863A (en) * | 2016-04-26 | 2016-09-21 | 浪潮电子信息产业股份有限公司 | Monitoring method and system of physical state of PCB (Printed Circuit Board) in case |
| CN106940401A (en) * | 2017-03-13 | 2017-07-11 | 郑州云海信息技术有限公司 | A kind of impedance detecting method and system |
| CN107181801B (en) * | 2017-05-22 | 2020-08-04 | 深圳市连用科技有限公司 | Electronic accessory storage method and terminal |
| CN107479414A (en) * | 2017-08-14 | 2017-12-15 | 奥士康科技股份有限公司 | A kind of preparation method of impedance strip |
| CN108418787B (en) * | 2018-01-02 | 2021-02-26 | 深圳壹账通智能科技有限公司 | Method for acquiring enterprise resource planning data, terminal device and medium |
| CN109870641B (en) * | 2019-02-26 | 2021-11-09 | 广州兴森快捷电路科技有限公司 | Printed circuit board production method and semi-finished product impedance detection method thereof |
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