CN115630832B - PCBA (printed circuit board assembly) production scheduling method and scheduling system based on 5G network - Google Patents
PCBA (printed circuit board assembly) production scheduling method and scheduling system based on 5G network Download PDFInfo
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Abstract
The invention discloses a PCBA board production scheduling method and a scheduling system based on a 5G network, comprising the steps of establishing a PCBA board model data distributed database; according to the type of the PCBA to be produced, producing the PCBA according to the required components and the PCB entering production, and obtaining the weight data of the PCBA; and (3) carrying out weight test on the PCBA, if the weight percent of pass is not less than a set weight percent of pass threshold, rejecting the PCBA with unqualified weight, carrying out use test on the PCBA with qualified weight, obtaining the use performance grade of the PCBA, grading the PCBA according to the performance grade, and completing the production of the PCBA. By the technical scheme provided by the invention, management from PCBA board component composition to performance grading can be realized.
Description
Technical Field
The invention relates to the field of production, in particular to a PCBA board production scheduling method and a scheduling system based on a 5G network.
Background
Production process management is a soul of an enterprise and directly affects the weight of the PCBA board. PCBA boards on a production line are usually produced by manually recording procedures and parts required by the production of the PCBA boards and distributing materials according to the records. Each PCBA board on every production line all is equipped with the record form, and workman need manual filling work number and element number after each process of PCBA board is accomplished for the production process of every PCBA board is recorded to this process, consumes a large amount of manpower and material resources to when changing the components and parts and constitutes, the mill end is difficult to follow up promptly, often can consume a large amount of time.
Therefore, how to perform timely and reasonable scheduling according to the data of the PCBA board is a problem to be considered and solved by practitioners in the current industry.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a PCBA board production scheduling method based on a 5G network, which comprises the following steps:
step one, a distributed database of PCBA board model data is established, the PCBA board model data is stored in a distributed mode and stored in corresponding distributed storage nodes in the distributed database of PCBA board model data, and the PCBA board model data comprises a PCB board model corresponding to the PCBA board model, component data and a PCBA board standard weight value;
step two, according to the model of the PCBA board to be produced, acquiring the corresponding model of the PCBA board and required components from distributed node storage nodes in a PCBA board model data distributed database, carrying out prenatal detection on the PCBA board, enabling the PCB board after prenatal detection to enter production, producing the PCBA board according to the required components and the PCB board entering production, and acquiring weight data of the PCBA board;
step three, performing weight test on the PCBA board, acquiring the weight percent of pass of the PCBA board according to the weight data of the PCBA board, if the weight percent of pass is smaller than a set weight percent of pass threshold, entering step five, and if the weight percent of pass is not smaller than the set weight percent of pass threshold, entering step six;
step five, obtaining weight data of the unqualified PCBA board, obtaining an average weight value of the unqualified PCBA board according to the weight data of the unqualified PCBA board, obtaining an unqualified type according to the average weight value, and judging that the unqualified type is a PCB welding fault if the average weight value is larger than a standard weight value and the difference value between the average weight value and the standard weight value is larger than a difference value threshold; if the average weight value is smaller than the standard weight value and the difference value between the average weight value and the standard weight value is larger than the difference value threshold, judging that the weight unqualified type is a component missing fault, and performing fault elimination on production equipment according to the unqualified type;
and step six, rejecting unqualified PCBA boards, performing use test on the unqualified PCBA boards, testing to obtain the use performance grade of the PCBA boards, grading the PCBA boards according to the performance grade, and completing the production of the PCBA boards.
Further, the standard weight value is: and after the set PCBA corresponding to the PCBA model is welded with components forming the PCBA corresponding to the PCBA model, the weight of the PCBA is obtained.
Further, the distributed storage of the PCBA board type number data to the corresponding distributed storage node in the PCBA board type data distributed database includes:
s1, acquiring memory occupation, disk occupation and CPU occupation of each distributed storage node in a PCBA model data distributed database, acquiring the weight of a distributed storage node acquisition task according to the memory occupation, the disk occupation and the CPU occupation, and sequencing the storage nodes according to the weight of the distributed storage node acquisition task to obtain a first distributed storage sequence;
s2, according to the first distributed storage sequence, access delays of the factory end and each distributed storage node in the first distributed storage sequence are respectively obtained, and sorting is carried out according to the access delays to obtain a second distributed storage sequence corresponding to the factory end;
s3, according to the second distributed storage sequence, the PCBA plate type data required by the factory end are stored into the first distributed storage nodes in the second distributed storage sequence, and distributed storage of the PCBA plate type data required by all factory ends is completed in the same way.
Further, the obtaining the weight of the task of the distributed storage node according to the memory occupation, the disk occupation and the CPU occupation includes:
wherein a represents memory occupancy, b represents disk occupancy, c represents CPU occupancy, and d represents distance weight.
Further, carry out prenatal detection to the PCB board, prenatal detection gets into production through the PCB board after passing, include:
and (3) carrying out wire breakage and breakage detection on the PCB, and if no wiring on the PCB is broken and the PCB is not broken, detecting the PCB before production.
The PCBA board production scheduling system based on the 5G network, which applies the PCBA board production scheduling method based on the 5G network, is characterized by comprising a communication device, a PCBA board model data distributed database, a factory end, a product detection device and a qualification rate calculation module;
the product detection device, the qualification rate calculation module and the communication device are respectively connected with the factory end, and the PCBA board model data distributed database is in communication connection with the communication device.
The beneficial effects of the invention are as follows: by the technical scheme provided by the invention, management from PCBA board component composition to performance grading can be realized, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a PCBA board production scheduling method based on a 5G network;
fig. 2 is a schematic diagram of a PCBA board production scheduling system based on a 5G network.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
For the purpose of making the technical solution and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the invention, i.e., the embodiments described are merely some, but not all, of the embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention. It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
The features and capabilities of the present invention are described in further detail below in connection with the examples.
As shown in fig. 1, the PCBA board production scheduling method based on the 5G network includes the following steps:
step one, a distributed database of PCBA board model data is established, the PCBA board model data is stored in a distributed mode and stored in corresponding distributed storage nodes in the distributed database of PCBA board model data, and the PCBA board model data comprises a PCB board model corresponding to the PCBA board model, component data and a PCBA board standard weight value;
step two, according to the model of the PCBA board to be produced, acquiring the corresponding model of the PCBA board and required components from distributed node storage nodes in a PCBA board model data distributed database, carrying out prenatal detection on the PCBA board, enabling the PCB board after prenatal detection to enter production, producing the PCBA board according to the required components and the PCB board entering production, and acquiring weight data of the PCBA board;
step three, performing weight test on the PCBA board, acquiring the weight percent of pass of the PCBA board according to the weight data of the PCBA board, if the weight percent of pass is smaller than a set weight percent of pass threshold, entering step five, and if the weight percent of pass is not smaller than the set weight percent of pass threshold, entering step six;
step five, obtaining weight data of the unqualified PCBA board, obtaining an average weight value of the unqualified PCBA board according to the weight data of the unqualified PCBA board, obtaining an unqualified type according to the average weight value, and judging that the unqualified type is a PCB welding fault if the average weight value is larger than a standard weight value and the difference value between the average weight value and the standard weight value is larger than a difference value threshold; if the average weight value is smaller than the standard weight value and the difference value between the average weight value and the standard weight value is larger than the difference value threshold, judging that the weight unqualified type is a component missing fault, and performing fault elimination on production equipment according to the unqualified type;
and step six, rejecting unqualified PCBA boards, performing use test on the unqualified PCBA boards, testing to obtain the use performance grade of the PCBA boards, grading the PCBA boards according to the performance grade, and completing the production of the PCBA boards.
The use test comprises a temperature test and a stability test, performance classification is carried out on the PCBA according to the temperature test and the stability test result, and the automatic test of the PCBA is completed, and the use test comprises the following steps:
randomly extracting PCBA plates with set proportions from PCBA plates with qualified weight;
step two, performing temperature reliability test on the extracted PCBA plates to obtain temperature difference values of the PCBA plates in standby state, if the temperature difference values are within a set temperature difference value threshold value, passing the temperature reliability test, and entering a step three, otherwise, failing the temperature reliability test;
step three, performing performance stability test on the PCBA board passing the temperature reliability test, randomly dividing the PCBA board passing the temperature reliability test into a standard performance stability test group and a limit performance stability test group, and performing standard performance stability test on the standard performance stability test group to obtain standard performance stability; performing limit performance stability test on the limit performance stability test group to obtain limit performance stability, and obtaining stability deviation according to the difference value of the standard performance stability and the limit performance stability; the standard performance stability is as follows: under the set standard power, the ratio of the number of the PCBA boards which are not failed to the number of the PCBA boards which are subjected to the standard performance stability test is in the standard performance stability test time period; the ultimate performance stability is as follows: under the set limit power, the ratio of the number of the PCBA boards which are not failed to the number of the PCBA boards which are subjected to the limit performance stability test is in the limit performance stability test duration;
step four, randomly extracting PCBA plates with set proportions from a standard performance stability test group, performing limit performance stability test to obtain second limit performance stability, obtaining second stability deviation according to the difference value of the second limit performance stability and the limit performance stability, if the second stability deviation is within the stability deviation, the limit performance stability of the PCBA plates is reliable, otherwise, the limit performance stability of the PCBA plates is unreliable;
randomly extracting PCBA plates with set proportions from the limit performance stability test group, performing standard performance stability test to obtain second standard performance stability, obtaining third stability deviation according to the difference value of the second standard performance stability and the standard performance stability, if the third stability deviation is within the stability deviation, the standard performance stability of the PCBA plates is reliable, otherwise, the standard performance stability of the PCBA plates is unreliable;
step six, if the limit performance stability of the PCBA board is reliable and the standard performance stability of the PCBA board is reliable, the PCBA board is reliable in performance, and if not, the PCBA board is unreliable in performance.
The standard weight value is as follows: and after the set PCBA corresponding to the PCBA model is welded with components forming the PCBA corresponding to the PCBA model, the weight of the PCBA is obtained.
The distributed storage is carried out on the PCBA board type number data, and the data are stored to corresponding distributed storage nodes in a PCBA board type data distributed database, and the distributed storage node comprises:
s1, acquiring memory occupation, disk occupation and CPU occupation of each distributed storage node in a PCBA model data distributed database, acquiring the weight of a distributed storage node acquisition task according to the memory occupation, the disk occupation and the CPU occupation, and sequencing the storage nodes according to the weight of the distributed storage node acquisition task to obtain a first distributed storage sequence;
s2, according to the first distributed storage sequence, access delays of the factory end and each distributed storage node in the first distributed storage sequence are respectively obtained, and sorting is carried out according to the access delays to obtain a second distributed storage sequence corresponding to the factory end;
s3, according to the second distributed storage sequence, the PCBA plate type data required by the factory end are stored into the first distributed storage nodes in the second distributed storage sequence, and distributed storage of the PCBA plate type data required by all factory ends is completed in the same way.
The obtaining the weight of the distributed storage node obtaining task according to the memory occupation, the disk occupation and the CPU occupation comprises the following steps:
wherein a represents memory occupancy, b represents disk occupancy, c represents CPU occupancy, and d represents distance weight.
The antenatal detection is carried out to the PCB board, and the PCB board after antenatal detection passes through gets into production, includes:
and (3) carrying out wire breakage and breakage detection on the PCB, and if no wiring on the PCB is broken and the PCB is not broken, detecting the PCB before production.
As shown in fig. 2, the PCBA board production scheduling system based on the 5G network, which applies the PCBA board production scheduling method based on the 5G network, comprises a communication device, a PCBA board model data distributed database, a factory end, a product detection device, and a qualification rate calculation module;
the product detection device, the qualification rate calculation module and the communication device are respectively connected with the factory end, and the PCBA board model data distributed database is in communication connection with the communication device.
The foregoing is merely a preferred embodiment of the invention, and it is to be understood that the invention is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the invention are intended to be within the scope of the appended claims.
Claims (1)
1. The PCBA board production scheduling method based on the 5G network is applied to a PCBA board production scheduling system based on the 5G network, and is characterized in that the PCBA board production scheduling system based on the 5G network comprises a communication device, a PCBA board model data distributed database, a factory end, a product detection device and a qualification rate calculation module;
the product detection device, the qualification rate calculation module and the communication device are respectively connected with the factory end, and the PCBA board model data distributed database is in communication connection with the communication device;
the method comprises the following steps:
step one, a distributed database of PCBA board model data is established, the PCBA board model data is stored in a distributed mode and stored in corresponding distributed storage nodes in the distributed database of PCBA board model data, and the PCBA board model data comprises a PCB board model corresponding to the PCBA board model, component data and a PCBA board standard weight value;
step two, according to the model of the PCBA board to be produced, acquiring the corresponding model of the PCBA board and required components from distributed node storage nodes in a PCBA board model data distributed database, carrying out prenatal detection on the PCBA board, enabling the PCB board after prenatal detection to enter production, producing the PCBA board according to the required components and the PCB board entering production, and acquiring weight data of the PCBA board;
step three, performing weight test on the PCBA board, acquiring the weight percent of pass of the PCBA board according to the weight data of the PCBA board, entering step four if the weight percent of pass is smaller than a set weight percent of pass threshold, and entering step five if the weight percent of pass is not smaller than the set weight percent of pass threshold;
step four, obtaining weight data of the unqualified PCBA board, obtaining an average weight value of the unqualified PCBA board according to the weight data of the unqualified PCBA board, obtaining an unqualified type according to the average weight value, and judging that the unqualified type is a PCB welding fault if the average weight value is larger than a standard weight value and the difference value between the average weight value and the standard weight value is larger than a difference value threshold; if the average weight value is smaller than the standard weight value and the difference value between the average weight value and the standard weight value is larger than the difference value threshold, judging that the weight unqualified type is a component missing fault, and performing fault elimination on production equipment according to the unqualified type;
fifthly, rejecting unqualified PCBA boards, performing use test on the unqualified PCBA boards to obtain the use performance grade of the PCBA boards, grading the PCBA boards according to the performance grade, and completing the production of the PCBA boards;
the standard weight value is as follows: the weight of the PCBA board is obtained after the set PCBA board corresponding to the PCBA board model is welded with components forming the PCBA board corresponding to the PCBA board model;
the distributed storage is carried out on the PCBA board type number data, and the data are stored to corresponding distributed storage nodes in a PCBA board type data distributed database, and the distributed storage node comprises:
s1, acquiring memory occupation, disk occupation and CPU occupation of each distributed storage node in a PCBA model data distributed database, acquiring the weight of a distributed storage node acquisition task according to the memory occupation, the disk occupation and the CPU occupation, and sequencing the storage nodes according to the weight of the distributed storage node acquisition task to obtain a first distributed storage sequence;
s2, according to the first distributed storage sequence, access delays of the factory end and each distributed storage node in the first distributed storage sequence are respectively obtained, and sorting is carried out according to the access delays to obtain a second distributed storage sequence corresponding to the factory end;
s3, according to the second distributed storage sequence, storing the PCBA plate type data required by the factory end into the first distributed storage nodes in the second distributed storage sequence, and similarly, completing distributed storage of the PCBA plate type data required by all factory ends;
the obtaining the weight of the distributed storage node obtaining task according to the memory occupation, the disk occupation and the CPU occupation comprises the following steps:
wherein a represents memory occupation, b represents disk occupation, c represents CPU occupation, and d represents distance weight;
the antenatal detection is carried out to the PCB board, and the PCB board after antenatal detection passes through gets into production, includes:
and (3) performing wire breakage and breakage detection on the PCB, and if no wiring on the PCB is broken and the PCB is not broken, detecting the PCB before production.
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| CN116056443B (en) * | 2023-04-03 | 2023-06-16 | 四川易景智能终端有限公司 | SMT paster fault diagnosis system based on 5G communication |
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