CN113758524A - Circuit board processing monitoring system - Google Patents
Circuit board processing monitoring system Download PDFInfo
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- CN113758524A CN113758524A CN202111039430.0A CN202111039430A CN113758524A CN 113758524 A CN113758524 A CN 113758524A CN 202111039430 A CN202111039430 A CN 202111039430A CN 113758524 A CN113758524 A CN 113758524A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
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Abstract
The invention discloses a circuit board processing monitoring system, which is characterized in that manufacturing information and monitoring information of a circuit board are acquired through an acquisition module, and the manufacturing information and the monitoring information are received and processed by a data processing module to obtain manufacturing processing information and monitoring processing information; analyzing and calculating the manufacturing processing information through a data analysis module to obtain a check value, analyzing the monitoring processing information to obtain a check value, and combining the check value and the check value to obtain analysis data; the monitoring and early warning module analyzes and early warns the circuit board according to the analysis data to obtain an early warning data set; the screening module screens and classifies the circuit board according to the early warning data set; the invention solves the technical problem that the monitoring accuracy is poor due to the fact that the monitoring result of the circuit board is interfered because the circuit board and the monitoring equipment cannot be monitored simultaneously in the existing scheme.
Description
Technical Field
The invention relates to the technical field of circuit boards, in particular to a circuit board processing monitoring system.
Background
The circuit board can be called as a printed circuit board or a printed circuit board, and is divided into three categories, namely a single-sided board, a double-sided board and a multilayer circuit board according to the number of layers; according to the characteristics, the board is divided into a soft board, a hard board and a soft and hard combined board; the monitoring of the circuit board generally comprises an observation method, a needle bed method and a flying needle test method.
The defects existing in the prior circuit board monitoring system during use comprise: the circuit board and the monitoring equipment cannot be monitored simultaneously, so that the monitoring result of the circuit board is interfered, and the monitoring accuracy is poor.
Disclosure of Invention
The invention aims to provide a circuit board processing monitoring system, which mainly aims to solve the technical problem that the monitoring accuracy is poor due to the fact that a circuit board and monitoring equipment cannot be monitored simultaneously in the existing scheme and the monitoring result of the circuit board is interfered.
The purpose of the invention can be realized by the following technical method: a circuit board processing monitoring system comprises an acquisition module, a data processing module, a data analysis module, a monitoring and early warning module and a screening module;
the method comprises the steps that a collection module collects manufacturing information and monitoring information of a circuit board, wherein the manufacturing information comprises circuit board type data, material data and size data; the monitoring information comprises voltage data, current data and time data; sending the manufacturing information and the monitoring information to a data processing module;
the data processing module receives the manufacturing information and the monitoring information and carries out processing operation to obtain manufacturing processing information and monitoring processing information, and sends the manufacturing processing information and the monitoring processing information to the data analysis module;
the data analysis module receives the manufacturing processing information and the monitoring processing information, analyzes and calculates the manufacturing processing information to obtain a manufacturing detection value, analyzes and operates the monitoring processing information to obtain a detection matching value, and combines the manufacturing detection value and the detection matching value to obtain analysis data;
the monitoring and early warning module analyzes and early warns the circuit board according to the analysis data to obtain an early warning data set, and the specific steps comprise:
acquiring a check value and a check value in the analysis data, and comparing the check value and the check value with a preset check threshold value and a preset check threshold value respectively; if the manufacturing and inspection value is smaller than the manufacturing and inspection threshold value and the inspection value is smaller than the inspection threshold value, judging that the production and monitoring of the circuit board are qualified and generating a first early warning signal; if the manufacturing and detecting value is not smaller than the manufacturing and detecting threshold value and the detecting value is smaller than the detecting threshold value, judging that the production of the circuit board is unqualified but the monitoring is qualified, and generating a second early warning signal; if the manufacturing and inspection value is smaller than the manufacturing and inspection threshold value and the inspection value is not smaller than the inspection threshold value, judging that the production of the circuit board is qualified but the monitoring is unqualified and generating a third early warning signal; if the manufacturing and inspection value is not less than the manufacturing and inspection threshold value and the inspection value is not less than the inspection threshold value, judging that the production and monitoring of the circuit board are not qualified and generating a fourth early warning signal; combining the first early warning signal, the second early warning signal, the third early warning signal and the fourth early warning signal to obtain an early warning data set;
and the screening module screens and classifies the circuit board according to the early warning data set.
Further, the data processing module receives the manufacturing information and the monitoring information and performs processing operation, and the specific steps of obtaining the manufacturing processing information and the monitoring processing information include:
obtaining circuit board type data, material data and size data in the manufacturing information, setting different circuit board types to correspond to different type preset values, matching the circuit board types in the type data with all the circuit board types to obtain corresponding type preset values, and marking the type preset values as C1;
setting different circuit board materials to correspond to different material preset values, matching the circuit board materials in the material data with all the circuit board materials to obtain corresponding material preset values, and marking the corresponding material preset values as C2;
label the circuit board volume in the dimensional data as C3; label the circuit board surface area in the dimensional data as C4; label the board quality in the dimensional data as C5;
carrying out normalization processing and value combination on the type preset value, the material preset value, the circuit board volume, the circuit board surface area and the circuit board quality of the mark to obtain manufacturing processing information;
acquiring voltage data, current data and time data in the monitoring information, and marking the real-time voltage of the voltage data as D1; label the real-time current in the current data as D2; marking the monitoring duration in the time data as D3;
and carrying out normalization processing and value combination on the marked real-time voltage, real-time current and monitoring duration to obtain monitoring processing information.
Further, the specific steps of analyzing and calculating the manufacturing processing information to obtain the manufacturing inspection value include:
acquiring a type preset value C1, a material preset value C2, a circuit board volume C3, a circuit board surface area C4 and a circuit board mass C5 which are marked in the manufacturing processing information;
the check value is calculated by a formula
Wherein ZJ is expressed as a check value, b1, b2, b3 and b4 are expressed as different proportionality coefficients and are all larger than zero, mu is expressed as a correction factor, and the numeric area is (0, 15).
Further, the specific step of analyzing the monitoring processing information to obtain the matching value includes:
acquiring real-time voltage D1, real-time current D2 and monitoring duration D3 marked in monitoring processing information;
the detection matching value is calculated by using a formula
Where JP is expressed as a match value, and a1, a2, and a3 are expressed as different scale factors and are all greater than zero.
Further, the screening module screens the circuit board according to the early warning data set and classifies the circuit board according to the specific steps of:
receiving and analyzing an early warning data set;
if the early warning data set contains a second early warning signal, acquiring a circuit board corresponding to the second early warning signal and marking the circuit board as a first circuit board, calculating a ratio between a check value and a check threshold value corresponding to the second early warning signal and marking the ratio as a first ratio, and classifying the first circuit board according to the first ratio;
if the early warning data set contains a third early warning signal, acquiring monitoring information corresponding to the third early warning signal and marking the monitoring information as first early warning information, and calculating a ratio between a detection matching value corresponding to the third early warning signal and a detection matching threshold value and marking the ratio as a second ratio; early warning and overhauling are carried out on the monitoring equipment according to the second ratio;
if the early warning data set contains a fourth early warning signal, acquiring a circuit board and monitoring information corresponding to the fourth early warning signal, respectively marking the circuit board and the monitoring information as a second circuit board and second early warning information, calculating a ratio between a check value and a check threshold value corresponding to the fourth early warning signal, marking the ratio as a third ratio, and classifying the second circuit board according to the third ratio; and calculating the ratio between the detection matching value corresponding to the fourth early warning signal and the detection matching threshold value, marking the ratio as a fourth ratio, and carrying out early warning maintenance on the monitoring equipment according to the fourth ratio.
The invention has the beneficial effects that:
in each aspect disclosed by the invention, the problem that the circuit board and the monitoring equipment cannot be monitored simultaneously in the existing scheme can be solved by the matched use of the acquisition module, the data processing module, the data analysis module, the monitoring and early warning module and the screening module, and the accuracy of monitoring the circuit board is improved;
the manufacturing information and the monitoring information of the circuit board are acquired through the acquisition module, the manufacturing information and the monitoring information are received and processed through the data processing module to obtain manufacturing processing information and monitoring processing information, and the manufacturing information and the monitoring information of the circuit board are acquired and processed, so that all data are standardized, and subsequent calculation and analysis are facilitated;
the manufacturing processing information is analyzed and calculated through the data analysis module to obtain a manufacturing detection value, the monitoring processing information is analyzed and operated to obtain a detection matching value, the manufacturing processing information and the monitoring processing information are analyzed and calculated to establish a relation between data, the accuracy of monitoring and analyzing the circuit board and monitoring equipment is improved, the influence of the monitoring equipment in an abnormal state on the circuit board can be eliminated, and effective data support is further provided for monitoring and screening of the circuit board;
the monitoring and early warning module analyzes and early warns the circuit board according to the analysis data to obtain an early warning data set, and analyzes the circuit board and the monitoring equipment simultaneously according to the analysis data, so that the effectiveness and the accuracy of monitoring are improved; the screening module screens and classifies the circuit board according to the early warning data set, and the processing efficiency of the abnormal circuit board can be improved.
Drawings
The invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic block diagram of a circuit board processing monitoring system according to the present invention.
Detailed Description
The technical method in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention is a circuit board processing monitoring system, which includes an acquisition module, a data processing module, a data analysis module, a monitoring and early warning module, and a screening module;
the method comprises the steps that a collection module collects manufacturing information and monitoring information of a circuit board, wherein the manufacturing information comprises circuit board type data, material data and size data; the monitoring information comprises voltage data, current data and time data; sending the manufacturing information and the monitoring information to a data processing module;
the data processing module receives the manufacturing information and the monitoring information and carries out processing operation to obtain manufacturing processing information and monitoring processing information, and sends the manufacturing processing information and the monitoring processing information to the data analysis module; the method comprises the following specific steps:
obtaining circuit board type data, material data and size data in the manufacturing information, setting different circuit board types to correspond to different type preset values, matching the circuit board types in the type data with all the circuit board types to obtain corresponding type preset values, and marking the type preset values as C1; for example, the circuit board types comprise a circuit board A, a circuit board B and a circuit board C, and the type preset value corresponding to the circuit board A is set to be 1.1; setting the type preset value corresponding to the circuit board A to be 1.3; setting the type preset value corresponding to the circuit board A to be 1.5;
setting different circuit board materials to correspond to different material preset values, matching the circuit board materials in the material data with all the circuit board materials to obtain corresponding material preset values, and marking the corresponding material preset values as C2; the preset value of the material is set by the same method as the preset value of the type;
label the circuit board volume in the dimensional data as C3; label the circuit board surface area in the dimensional data as C4; label the board quality in the dimensional data as C5;
carrying out normalization processing and value combination on the type preset value, the material preset value, the circuit board volume, the circuit board surface area and the circuit board quality of the mark to obtain manufacturing processing information;
acquiring voltage data, current data and time data in the monitoring information, and marking the real-time voltage of the voltage data as D1; label the real-time current in the current data as D2; marking the monitoring duration in the time data as D3;
carrying out normalization processing and value combination on the marked real-time voltage, real-time current and monitoring duration to obtain monitoring processing information;
the data analysis module receives the manufacturing processing information and the monitoring processing information, analyzes and calculates the manufacturing processing information to obtain a manufacturing inspection value, and specifically comprises the following steps:
acquiring a type preset value C1, a material preset value C2, a circuit board volume C3, a circuit board surface area C4 and a circuit board mass C5 which are marked in the manufacturing processing information;
the check value is calculated by a formula
Wherein ZJ is expressed as a check value, b1, b2, b3 and b4 are expressed as different proportionality coefficients and are all larger than zero, mu is expressed as a correction factor and takes the value of 0.81425;
analyzing the monitoring processing information to obtain a detection value, wherein the specific steps comprise:
acquiring real-time voltage D1, real-time current D2 and monitoring duration D3 marked in monitoring processing information;
the detection matching value is calculated by using a formula
Wherein, JP is expressed as a matching value, a1, a2 and a3 are expressed as different scale factors and are all larger than zero;
combining the check value and the check matching value to obtain analysis data;
the monitoring and early warning module analyzes and early warns the circuit board according to the analysis data to obtain an early warning data set, and the specific steps comprise:
acquiring a check value and a check value in the analysis data, and comparing the check value and the check value with a preset check threshold value and a preset check threshold value respectively;
if the manufacturing and inspection value is smaller than the manufacturing and inspection threshold value and the inspection value is smaller than the inspection threshold value, judging that the production and monitoring of the circuit board are qualified and generating a first early warning signal; if it is
If the manufacturing and inspection value is not less than the manufacturing and inspection threshold value and the inspection value is less than the inspection threshold value, judging that the production of the circuit board is unqualified but the monitoring is qualified and generating a second early warning signal;
if the manufacturing and inspection value is smaller than the manufacturing and inspection threshold value and the inspection value is not smaller than the inspection threshold value, judging that the production of the circuit board is qualified but the monitoring is unqualified and generating a third early warning signal;
if the manufacturing and inspection value is not less than the manufacturing and inspection threshold value and the inspection value is not less than the inspection threshold value, judging that the production and monitoring of the circuit board are not qualified and generating a fourth early warning signal;
combining the first early warning signal, the second early warning signal, the third early warning signal and the fourth early warning signal to obtain an early warning data set;
in the invention, the manufacturing and detecting threshold value and the detecting threshold value are preset based on different types of circuit boards and monitoring equipment and are used for analyzing the manufacturing and detecting value related to the circuit boards and the detecting value related to the monitoring equipment;
the screening module screens and classifies the circuit board according to the early warning data set, and the specific steps comprise:
receiving and analyzing an early warning data set;
if the early warning data set contains a second early warning signal, acquiring a circuit board corresponding to the second early warning signal and marking the circuit board as a first circuit board, calculating a ratio between a check value and a check threshold value corresponding to the second early warning signal and marking the ratio as a first ratio, and classifying the first circuit board according to the first ratio; the classification is carried out by matching the first ratio with a preset abnormality monitoring range to obtain corresponding abnormality degrees, wherein the abnormality monitoring range can be (0, 1], (1, 2], (2, 3), and the corresponding abnormality degrees are respectively slight, medium and serious, for example, the first ratio is 0.9, the corresponding abnormality monitoring range is (0, 1), and the corresponding abnormality degree of the circuit board is slight;
if the early warning data set contains a third early warning signal, acquiring monitoring information corresponding to the third early warning signal and marking the monitoring information as first early warning information, and calculating a ratio between a detection matching value corresponding to the third early warning signal and a detection matching threshold value and marking the ratio as a second ratio; early warning and overhauling are carried out on the monitoring equipment according to the second ratio; the early warning maintenance obtains corresponding abnormal degree by matching the second ratio with a preset abnormal early warning range, wherein the abnormal early warning range can be (0, 1) and (1, 2), and the corresponding abnormal degree is respectively slight and serious;
if the early warning data set contains a fourth early warning signal, acquiring a circuit board and monitoring information corresponding to the fourth early warning signal, respectively marking the circuit board and the monitoring information as a second circuit board and second early warning information, calculating a ratio between a check value and a check threshold value corresponding to the fourth early warning signal, marking the ratio as a third ratio, and classifying the second circuit board according to the third ratio; and calculating the ratio between the detection matching value corresponding to the fourth early warning signal and the detection matching threshold value, marking the ratio as a fourth ratio, and carrying out early warning maintenance on the monitoring equipment according to the fourth ratio.
The formulas in the embodiment of the invention are all a formula which is obtained by removing dimensions and taking numerical value calculation, software simulation is carried out by collecting a large amount of data to obtain the formula closest to the real condition, and the preset proportionality coefficient and the threshold value in the formula are set by technicians in the field according to the actual condition or are obtained by simulating a large amount of data.
According to the working principle of the invention, the manufacturing information and the monitoring information of the circuit board are acquired through the acquisition module, wherein the manufacturing information comprises circuit board type data, material data and size data; the monitoring information comprises voltage data, current data and time data; sending the manufacturing information and the monitoring information to a data processing module; the data processing module receives the manufacturing information and the monitoring information and carries out processing operation to obtain manufacturing processing information and monitoring processing information, and the manufacturing processing information and the monitoring processing information are sent to the data analysis module; the invention collects and processes information from two aspects of the circuit board and the monitoring equipment, provides effective data support for monitoring of the circuit board, and overcomes the defect that the monitoring effect of the circuit board is poor because only single monitoring analysis is carried out on the circuit board in the prior scheme;
receiving the manufacturing processing information and the monitoring processing information through a data analysis module, carrying out analysis calculation on the manufacturing processing information, obtaining a check value by using formula calculation, carrying out analysis operation on the monitoring processing information, obtaining a check value by using formula calculation, and combining the check value and the check value to obtain analysis data;
analyzing and early warning the circuit board according to the analysis data through a monitoring and early warning module to obtain an early warning data set; according to the method, different early warning signals are generated by acquiring the check value and the check value in the analysis data and comparing the check value and the check value with the preset check threshold and the check threshold respectively, so that data support is provided for subsequent screening and classification of abnormal circuit boards; the circuit board is screened and classified through the screening module according to the early warning data set, and the processing efficiency of the abnormal circuit board can be improved.
The functional modules in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional module.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.
Claims (8)
1. A circuit board processing monitoring system is characterized in that an acquisition module acquires manufacturing information and monitoring information of a circuit board and sends the manufacturing information and the monitoring information to a data processing module; the data processing module receives the manufacturing information and the monitoring information and carries out processing operation to obtain manufacturing processing information and monitoring processing information, and sends the manufacturing processing information and the monitoring processing information to the data analysis module;
the data analysis module receives the manufacturing processing information and the monitoring processing information, analyzes and calculates the manufacturing processing information to obtain a manufacturing detection value, analyzes and operates the monitoring processing information to obtain a detection matching value, and combines the manufacturing detection value and the detection matching value to obtain analysis data;
the monitoring and early warning module analyzes and early warns the circuit board according to the analysis data to obtain an early warning data set containing a first early warning signal, a second early warning signal, a third early warning signal and a fourth early warning signal;
and the screening module screens and classifies the circuit board according to the early warning data set.
2. The circuit board processing monitoring system of claim 1, wherein the manufacturing information comprises circuit board type data, material data, and dimensional data; the monitoring information includes voltage data, current data, and time data.
3. The circuit board processing monitoring system of claim 2, wherein the data processing module receives the manufacturing information and the monitoring information and performs the processing operation, and the specific steps of obtaining the manufacturing processing information and the monitoring processing information include: obtaining circuit board type data, material data and size data in the manufacturing information, obtaining a type preset value corresponding to the circuit board type in the type data and marking the type preset value; acquiring a material preset value corresponding to a circuit board material in the material data and marking; respectively taking values and marking the volume of the circuit board, the surface area of the circuit board and the quality of the circuit board in the size data; carrying out normalization processing on various marked data and carrying out value combination to obtain manufacturing processing information; acquiring voltage data, current data and time data in the monitoring information, and respectively taking values and marking real-time voltage of the voltage data, real-time current of the current data and monitoring duration of the time data; and carrying out normalization processing on the marked data and carrying out value combination to obtain monitoring processing information.
4. The circuit board processing monitoring system of claim 3, wherein the specific steps of analyzing and calculating the manufacturing process information comprise: acquiring a type preset value C1, a material preset value C2, a circuit board volume C3, a circuit board surface area C4 and a circuit board mass C5 which are marked in the manufacturing processing information; the check value is calculated by a formula
Where, ZJ is expressed as a check value, b1, b2, b3 and b4 are expressed as different scale factors and are all larger than zero, and μ is expressed as a correction factor.
5. The circuit board processing monitoring system according to claim 4, wherein the specific step of analyzing the monitoring processing information comprises: acquiring real-time voltage D1, real-time current D2 and monitoring duration D3 marked in monitoring processing information; the detection matching value is calculated by using a formula
Where JP is expressed as a match value, and a1, a2, and a3 are expressed as different scale factors and are all greater than zero.
6. The circuit board processing monitoring system of claim 5, wherein the specific steps of analyzing and pre-warning the circuit board comprise: acquiring a check value and a check value in the analysis data, and comparing the check value and the check value with a preset check threshold value and a preset check threshold value respectively; if the check value is smaller than the check threshold and the check value is smaller than the check threshold, generating a first early warning signal; if the check value is not smaller than the check threshold and the check value is smaller than the check threshold, generating a second early warning signal; if the check value is smaller than the check threshold and the check value is not smaller than the check threshold, generating a third early warning signal; if the check value is not less than the check threshold and the check value is not less than the check threshold, generating a fourth early warning signal; and combining the first early warning signal, the second early warning signal, the third early warning signal and the fourth early warning signal to obtain an early warning data set.
7. The circuit board processing monitoring system according to claim 6, wherein the specific steps of screening and classifying the circuit board comprise: receiving and analyzing an early warning data set; if the early warning data set contains a second early warning signal, acquiring a circuit board corresponding to the second early warning signal and marking the circuit board as a first circuit board, calculating a ratio between a check value and a check threshold value corresponding to the second early warning signal and marking the ratio as a first ratio, and classifying the first circuit board according to the first ratio; and if the early warning data set contains a third early warning signal or a fourth early warning signal, early warning maintenance is carried out on the monitoring equipment.
8. The circuit board processing monitoring system of claim 7, wherein the specific steps of performing early warning maintenance on the monitoring device comprise: if the early warning data set contains a third early warning signal, acquiring monitoring information corresponding to the third early warning signal and marking the monitoring information as first early warning information, and calculating a ratio between a detection matching value corresponding to the third early warning signal and a detection matching threshold value and marking the ratio as a second ratio; early warning and overhauling are carried out on the monitoring equipment according to the second ratio;
if the early warning data set contains a fourth early warning signal, acquiring a circuit board and monitoring information corresponding to the fourth early warning signal, respectively marking the circuit board and the monitoring information as a second circuit board and second early warning information, calculating a ratio between a check value and a check threshold value corresponding to the fourth early warning signal, marking the ratio as a third ratio, and classifying the second circuit board according to the third ratio; and calculating the ratio between the detection matching value corresponding to the fourth early warning signal and the detection matching threshold value, marking the ratio as a fourth ratio, and carrying out early warning maintenance on the monitoring equipment according to the fourth ratio.
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| CN202111039430.0A CN113758524A (en) | 2021-09-06 | 2021-09-06 | Circuit board processing monitoring system |
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| CN202111039430.0A CN113758524A (en) | 2021-09-06 | 2021-09-06 | Circuit board processing monitoring system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114632723A (en) * | 2022-03-11 | 2022-06-17 | 安徽冠泓塑业有限公司 | Intelligent screening equipment and screening method for PE modified particle production |
| CN116088400A (en) * | 2023-04-10 | 2023-05-09 | 江苏雄越石油机械设备制造有限公司 | Machining control system of wedge type wellhead gate valve |
| CN116164686A (en) * | 2023-01-31 | 2023-05-26 | 广州汉东工业自动化装备有限公司 | Online measurement analysis data acquisition system |
-
2021
- 2021-09-06 CN CN202111039430.0A patent/CN113758524A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114632723A (en) * | 2022-03-11 | 2022-06-17 | 安徽冠泓塑业有限公司 | Intelligent screening equipment and screening method for PE modified particle production |
| CN116164686A (en) * | 2023-01-31 | 2023-05-26 | 广州汉东工业自动化装备有限公司 | Online measurement analysis data acquisition system |
| CN116164686B (en) * | 2023-01-31 | 2023-10-13 | 广州汉东工业自动化装备有限公司 | Online measurement analysis data acquisition system |
| CN116088400A (en) * | 2023-04-10 | 2023-05-09 | 江苏雄越石油机械设备制造有限公司 | Machining control system of wedge type wellhead gate valve |
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Application publication date: 20211207 |