CN117077948A - Time control method for PCB production - Google Patents

Time control method for PCB production Download PDF

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Publication number
CN117077948A
CN117077948A CN202311038347.0A CN202311038347A CN117077948A CN 117077948 A CN117077948 A CN 117077948A CN 202311038347 A CN202311038347 A CN 202311038347A CN 117077948 A CN117077948 A CN 117077948A
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China
Prior art keywords
time
residence time
controlling
predicted
update
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Granted
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CN202311038347.0A
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Chinese (zh)
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CN117077948B (en
Inventor
陈兴国
杨淳欽
嵇富晟
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Lianshui County Suhang Technology Co ltd
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Lianshui County Suhang Technology Co ltd
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
    • G06K7/1404—Methods for optical code recognition
    • G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
    • G06K7/1413—1D bar codes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
    • G06K7/1404—Methods for optical code recognition
    • G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
    • G06K7/1417—2D bar codes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063—Operations research, analysis or management
    • G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
    • G06Q10/06314—Calendaring for a resource
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/04—Manufacturing

Abstract

The invention discloses a control method for time control for PCB production, which relates to the technical field of circuit board processing, and the technical scheme is characterized in that the control method for the time control for PCB production comprises the following steps: by recording the elapsed time T of a plurality of PCBs, according to the time recorded by the first PCB and the time recorded by the last PCB; the actual residence time of a plurality of PCBs in a single management and control group is calculated, so that an operator can conveniently control the residence time of the PCBs. Calculating a residence time correction value delta T and a predicted residence time according to the actual residence time, and updating the predicted residence time to the predicted residence time of the PCB which is not detected later; improving the accuracy of the time prediction. The problem that an operator cannot know the PCB board about to stay overtime in time due to the fact that inaccurate residence time determination exists in a control mode in the prior art is solved.

Description

Time control method for PCB production
Technical Field
The invention relates to the technical field of circuit board processing, in particular to a time control management and control method for PCB production.
Background
Along with the continuous development of light, thin, short, miniaturized and multifunctional electronic products, the development of high precision, thin and multi-layered PCB (PrintedCircuit Board ) is also carried out.
In the production process of the PCB, the residence time management and control of a work station can be necessarily involved. In the prior art, the residence time of a workstation is often controlled by recording a record table or the like. However, the inaccurate determination of the residence time in the control mode causes that an operator cannot timely know the PCB to be stopped overtime and adjust the process to process, and further causes the problem of influencing the quality of the PCB due to overlong residence time.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a time control management and control method for PCB production, which aims to solve the technical problems.
In order to achieve the above purpose, the present invention provides the following technical solutions: the time control method for the PCB production comprises the following steps:
respectively giving the identity of the PCB to a plurality of PCBs, and giving the identity of a work station to the work station flow of each PCB processing;
setting an identity identification point, wherein the identity identification point is used for respectively identifying the identity of the PCB and the identity of the workstation;
dividing the multiple PCB boards into multiple groups of control groups, and marking as [ X ] 1i ,X 2i ,......,X ni ]Wherein i is the number of PCB boards in each group, and n is the number of management and control groups;
in the circulation process of two adjacent work stations, the work station identity marks of the two adjacent work stations are firstly identified and recorded through the identity mark identification points;
identifying the PCB identities of a plurality of PCBs in the management and control group passing through the identity identification point, and recording the passing time T, wherein the time recorded by the first PCB in the same management and control group is recorded as T n1 The time recorded by the last PCB is recorded as T ni Wherein i is the number of PCBs in each group;
calculating the actual residence time T of a plurality of PCBs in a single management and control group between two adjacent work stations stay Wherein T is stay ＝T ni -T n1 ；
Controlling the actual residence time T of the nth-y management group stay Assigned to the following [ n-2y, n-3y ], n-jy]Controlling the predicted residence time T of a large group forecast Wherein y is the number of the management and control groups in the single management and control group, and j is the number of the management and control group;
controlling actual residence time of large group according to n-2yActual residence time of nth-y regulatory teamCalculating a dwell time correction value DeltaT, wherein +.>
Calculating a predicted dwell update time T based on the dwell time correction value DeltaT update The method comprises the steps of carrying out a first treatment on the surface of the Wherein T is update ＝T forecast +DeltaT, will predict dwell update time T update Update to the following [ n-3y, n-4y ], n-jy]Controlling the predicted residence time T of a large group forecast In (a) and (b);
analyzing actual residence time T of multiple regulatory subgroups in multiple regulatory subgroups stay And predicted residence time T of a regulatory team of the plurality of regulatory teams forecast Whether or not the set duration range T is exceeded set ；
When the actual residence time T of any one of the control groups stay Or the predicted residence time T of any one of the regulatory teams forecast Exceeding the set time length range T set And sending out alarm information.
As a further scheme of the invention: before calculating the dwell time correction value Δt, further comprising the steps of:
controlling actual residence time of large group according to n-2yAnd the actual residence time of the nth-y regulatory group +.>Analysis [ n-3y, n-4 y.,. The term "n-jy.,]controlling the predicted residence time T of a large group forecast Whether correction is required;
when (when)When the number is determined as [ n-3y, n-4y ], n-jy]Controlling the predicted residence time T of a large group forecast No error occurs;
when (when)When the number [ n-3y, n-4y ], n-jy is determined]Controlling the predicted residence time T of a large group forecast Errors occur;
when [ n-3y, n-4 y. ], n-jy]Controlling the predicted residence time T of a large group forecast When errors occur, calculate [ n-3y, n-4y ], n-jy]Controlling the predicted residence time T of a large group forecast A dwell time correction value deltat of (a).
As a further scheme of the invention: decision [ n-3y, n-4 y.,. The term "n-jy.,]controlling the predicted residence time T of a large group forecast The method also comprises the following steps after error:
when (when)When the number [ n-3y, n-4y ], n-jy is determined]Controlling the predicted residence time T of a large group forecast Will lengthen;
calculating a dwell time correction value DeltaT and calculating a predicted dwell update time T update ；
Analysis [ n-3y, n-4 y.,. The term "n-jy.,]controlling predicted stay time of large groupM T forecast Whether or not the set duration range T is exceeded set ；
When [ n-3y, n-4 y. ], n-jy]Controlling the predicted residence time T of a large group forecast Exceeding the set time length range T set When the stay update time T is to be predicted update Update to the following [ n-3y, n-4y ], n-jy]Controlling the predicted residence time T of a large group forecast In (a) and (b); and simultaneously sends out alarm information.
As a further scheme of the invention: when [ n-3y, n-4 y. ], n-jy]Controlling the predicted residence time T of a large group forecast Is in a set duration range T set When analyzing and predicting stay update time T update Whether or not the set duration range T is exceeded set ；
When predicting stay update time T update Exceeding the set time length range T set When the stay update time T is to be predicted update Update to the following [ n-3y, n-4y ], n-jy]Controlling the predicted residence time T of a large group forecast In (a) and (b); and simultaneously sends out alarm information.
As a further scheme of the invention: when predicting stay update time T update Is in a set duration range T set When [ n-3y, n-4y ] is reserved, the term "n-jy"]Controlling the predicted residence time T of a large group forecast 。
As a further scheme of the invention: decision [ n-3y, n-4 y.,. The term "n-jy.,]controlling the predicted residence time T of a large group forecast The method also comprises the following steps after error:
when (when)When the number [ n-3y, n-4y ], n-jy is determined]Controlling the predicted residence time T of a large group forecast Will shorten;
analysis [ n-3y, n-4 y.,. The term "n-jy.,]controlling the predicted residence time T of a large group forecast Whether or not the set duration range T is exceeded set ；
When [ n-3y, n-4 y. ], n-jy]Controlling the predicted residence time T of a large group forecast Is in a set duration range T set On inner, the [ n-3y, n-4y ], n-jy is reserved]Controlling the predicted residence time T of a large group forecast 。
As a further scheme of the invention: when [ n-3y, n-4 y. ], n-jy]Controlling the predicted residence time T of a large group forecast Exceeding the set time length range T set Calculating a dwell time correction value DeltaT and calculating a predicted dwell update time T update 。
As a further scheme of the invention: will set a duration range T set The alarm information is provided with a plurality of alarm intervals according to the values, and different alarm intervals correspond to different alarm levels; the alarm level corresponding to the alarm interval with larger value is higher.
As a further scheme of the invention: and respectively endowing the plurality of PCBs with the PCB identity marks through the identity identification codes, and endowing each work station process of PCB processing with the work station identity marks.
As a further scheme of the invention: the identification point comprises a camera for identifying the identification code.
Compared with the prior art, the invention has the following beneficial effects:
by recording the time T of the plurality of PCBs, the time recorded by the first PCB in the same group of management and control groups is recorded as T n1 The time recorded by the last PCB is recorded as T ni The method comprises the steps of carrying out a first treatment on the surface of the The actual residence time of a plurality of PCBs in a single management and control group between two adjacent work stations can be calculated, so that operators can conveniently control the residence time of the PCBs. Furthermore, a residence time correction value delta T is calculated according to the actual residence time; therefore, the predicted stay update time can be calculated for the PCB which is not detected subsequently, and the predicted stay update time is updated to the predicted stay time of the PCB which is not detected subsequently; further improving the accuracy of the temporal prediction. The problem that the residence time is inaccurately determined in a control mode in the prior art, so that an operator cannot know the PCB to be stopped overtime in time and adjust the process to process the PCB, and the quality of the PCB is affected due to overlong residence time is solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings described below are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a workflow diagram of a time-controlled control method for PCB production;
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is evident that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
An embodiment of a time-controlled control method for PCB production according to the present invention is further described with reference to fig. 1.
Referring to fig. 1, in one embodiment of the present invention, a time-controlled control method for PCB board production includes the steps of:
respectively giving the identity of the PCB to a plurality of PCBs, and giving the identity of a work station to the work station flow of each PCB processing;
setting an identity identification point, wherein the identity identification point is used for respectively identifying the identity of the PCB and the identity of the workstation;
dividing the multiple PCB boards into multiple groups of control groups, and marking as [ X ] 1i ,X 21 ,......,X ni ]Wherein i is the number of PCB boards in each group, and n is the number of management and control groups; in the invention, the ERP system can be adopted for counting and grouping, and the fact that the ERP system counts as the prior art is necessary is explained.
In the circulation process of two adjacent work stations, the work station identity marks of the two adjacent work stations are firstly identified and recorded through the identity mark identification points;
identifying the PCB identities of a plurality of PCBs in the management and control group passing through the identity identification point, and recording the passing time T, wherein the time recorded by the first PCB in the same management and control group is recorded as T n1 The time recorded by the last PCB is recorded as T ni Wherein i is the number of PCBs in each group;
in this embodiment, the identification data identified by the identification point is transmitted to the EAP system, and the EAP system sorts the identification of the plurality of PCBs (according to the identification of the last station) and then transmits the sorted identification data to the ERP system. It is necessary to state that EAP systems perform data processing as prior art.
Calculating the actual residence time T of a plurality of PCBs in a single management and control group between two adjacent work stations stay Wherein T is stay ＝T ni -T n1 ；
Controlling the actual residence time T of the nth-y management group stay Assigned toThe following [ n-2y, n-3y ], n-jy]Controlling the predicted residence time T of a large group forecast Wherein y is the number of the management and control groups in the single management and control group, and j is the number of the management and control group;
controlling actual residence time of large group according to n-2yActual residence time of nth-y regulatory teamCalculating a dwell time correction value DeltaT, wherein +.>
Calculating a predicted dwell update time T based on the dwell time correction value DeltaT update The method comprises the steps of carrying out a first treatment on the surface of the Wherein T is update ＝T forecast +DeltaT, will predict dwell update time T update Update to the following [ n-3y, n-4y ], n-jy]Controlling the predicted residence time T of a large group forecast In (a) and (b);
analyzing actual residence time T of multiple regulatory subgroups in multiple regulatory subgroups stay And predicted residence time T of a regulatory team of the plurality of regulatory teams forecast Whether or not the set duration range T is exceeded set ；
When the actual residence time T of any one of the control groups stay Or the predicted residence time T of any one of the regulatory teams forecast Exceeding the set time length range T set And sending out alarm information.
In one case of the embodiment of the present invention, before calculating the residence time correction value Δt, the steps of:
controlling actual residence time of large group according to n-2yActual residence time of nth-y regulatory teamAnalysis [ n-3y, n-4 y.,. The term "n-jy.,]controlling the predicted residence time T of a large group forecast Whether correction is required;
when (when)When the number is determined as [ n-3y, n-4y ], n-jy]Controlling the predicted residence time T of a large group forecast No error occurs;
when (when)When the number [ n-3y, n-4y ], n-jy is determined]Controlling the predicted residence time T of a large group forecast Errors occur;
when [ n-3y, n-4 y. ], n-jy]Controlling the predicted residence time T of a large group forecast When errors occur, calculate [ n-3y, n-4y ], n-jy]Controlling the predicted residence time T of a large group forecast A dwell time correction value deltat of (a).
In one case of an embodiment of the present invention, [ n-3y, n-4y ], n-jy is determined]Controlling the predicted residence time T of a large group forecast The method also comprises the following steps after error:
when (when)When the number [ n-3y, n-4y ], n-jy is determined]Controlling the predicted residence time T of a large group forecast Will lengthen;
calculating a dwell time correction value DeltaT and calculating a predicted dwell update time T update ；
Analysis [ n-3y, n-4 y.,. The term "n-jy.,]controlling the predicted residence time T of a large group forecast Whether or not the set duration range T is exceeded set ；
When [ n-3y, n-4 y. ], n-jy]Controlling the predicted residence time T of a large group forecast Exceeding the set time length range T set When the stay update time T is to be predicted update Update to the following [ n-3y, n-4y ], n-jy]Controlling the predicted residence time T of a large group forecast In (a) and (b); simultaneously sending out reportsAlert information.
It is necessary to specify that the times of the plurality of PCBs in the same management and control group are the same, and the times of the plurality of PCBs in the plurality of management and control groups are the same.
In this embodiment, when [ n-3y, n-4y, ], n-jy]Controlling the predicted residence time T of a large group forecast Is in a set duration range T set When analyzing and predicting stay update time T update Whether or not the set duration range T is exceeded set ；
When predicting stay update time T update Exceeding the set time length range T set When the stay update time T is to be predicted update Update to the following [ n-3y, n-4y ], n-jy]Controlling the predicted residence time T of a large group forecast In (a) and (b); and simultaneously sends out alarm information.
In the present embodiment, when the stay update time T is predicted update Is in a set duration range T set When [ n-3y, n-4y ] is reserved, the term "n-jy"]Controlling the predicted residence time T of a large group forecast 。
In one case of an embodiment of the present invention, [ n-3y, n-4y ], n-jy is determined]Controlling the predicted residence time T of a large group forecast The method also comprises the following steps after error:
when (when)When the number [ n-3y, n-4y ], n-jy is determined]Controlling the predicted residence time T of a large group forecast Will shorten;
analysis [ n-3y, n-4 y.,. The term "n-jy.,]controlling the predicted residence time T of a large group forecast Whether or not the set duration range T is exceeded set ；
When [ n-3y, n-4 y. ], n-jy]Controlling the predicted residence time T of a large group forecast Is in a set duration range T set On inner, the [ n-3y, n-4y ], n-jy is reserved]Controlling the predicted residence time T of a large group forecast 。
In this embodiment, when [ n-3y, n-4y, ], n-jy]Controlling predicted residence time of large groupT forecast Exceeding the set time length range T set Calculating a dwell time correction value DeltaT and calculating a predicted dwell update time T update 。
In one embodiment of the invention, the duration range T will be set set The alarm information is provided with a plurality of alarm intervals according to the values, and different alarm intervals correspond to different alarm levels; the alarm level corresponding to the alarm interval with larger value is higher. In this embodiment, an alarm lamp is used for alarm. And may be embodied in ERP.
In the present embodiment, the duration range T is set set Is [0,8]H, the alarm level is the first level, the color of the alarm lamp is green, and the stay time in the range is the normal circulation time.
Setting a duration range T set Is (8, 12)]H, the alarm level is a second level, the alarm lamp is yellow in color, indicating that the dwell time in this range is somewhat long and the operator needs to pay attention.
Setting a duration range T set Is thatThe alarm level is the third level, the color of the alarm lamp is red, the stay time in the range is too long, the problem of equipment failure or work arrangement possibly exists, and an operator is required to check the problem and solve the problem. Otherwise the residence time may be too long to affect the quality of the PCB.
In one embodiment of the invention, the identity identification codes are used for respectively endowing the plurality of PCBs with the PCB identity identification codes, and the workstation process of processing each PCB is endowed with the workstation identity identification codes.
Preferably, the identification code may be a two-dimensional code or a bar code.
In this embodiment, the identification point includes a camera for identifying the identification code.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.

Claims (10)

1. The time control method for the production of the PCB is characterized by comprising the following steps of:
respectively giving the identity of the PCB to a plurality of PCBs, and giving the identity of a work station to the work station flow of each PCB processing;
setting an identity identification point, wherein the identity identification point is used for respectively identifying the identity of the PCB and the identity of the workstation;
dividing the multiple PCB boards into multiple groups of control groups, and marking as [ X ] 1i ，X 2i ，......，X ni ]Wherein i is the number of PCB boards in each group, and n is the number of management and control groups;
in the circulation process of two adjacent work stations, the work station identity marks of the two adjacent work stations are firstly identified and recorded through the identity mark identification points;
identifying the PCB identities of a plurality of PCBs in the management and control group passing through the identity identification point, and recording the passing time T, wherein the time recorded by the first PCB in the same management and control group is recorded as T n1 The time recorded by the last PCB is recorded as T ni Wherein i is the number of PCBs in each group;
calculating the actual residence time T of a plurality of PCBs in a single management and control group between two adjacent work stations stay Wherein T is stay ＝T ni -T n1 ；
Controlling the actual residence time T of the nth-y management group stay Assigned to the following [ n-2y, n-3y ], n-jy]Controlling the predicted residence time T of a large group forecast Wherein y is the number of the management and control groups in the single management and control group, and j is the number of the management and control group;
controlling actual stops of a team according to n-2yTime of stayActual residence time of nth-y regulatory teamCalculating a dwell time correction value DeltaT, wherein +.>
Calculating a predicted dwell update time T based on the dwell time correction value DeltaT update The method comprises the steps of carrying out a first treatment on the surface of the Wherein T is update ＝T forecast +DeltaT, will predict dwell update time T update Update to the following [ n-3y, n-4y ], n-jy]Controlling the predicted residence time T of a large group forecast In (a) and (b);
analyzing actual residence time T of multiple regulatory subgroups in multiple regulatory subgroups stay And predicted residence time T of a regulatory team of the plurality of regulatory teams forecast Whether or not the set duration range T is exceeded set ；
When the actual residence time T of any one of the control groups stay Or the predicted residence time T of any one of the regulatory teams forecast Exceeding the set time length range T set And sending out alarm information.
2. The method for controlling the time control for PCB production according to claim 1, further comprising the steps of, before calculating the residence time correction value Δt:
controlling actual residence time of large group according to n-2yActual residence time of nth-y regulatory teamAnalysis [ n-3y, n-4 y.,. The term "n-jy.,]control groupIs (are) a predicted residence time T forecast Whether correction is required;
when (when)When the number is determined as [ n-3y, n-4y ], n-jy]Controlling the predicted residence time T of a large group forecast No error occurs;
when (when)When the number [ n-3y, n-4y ], n-jy is determined]Controlling the predicted residence time T of a large group forecast Errors occur;
when [ n-3y, n-4 y. ], n-jy]Controlling the predicted residence time T of a large group forecast When errors occur, calculate [ n-3y, n-4y ], n-jy]Controlling the predicted residence time T of a large group forecast A dwell time correction value deltat of (a).
3. The control method for time control for PCB production according to claim 2, wherein the [ n-3y, n-4y, ], n-jy is determined]Controlling the predicted residence time T of a large group forecast The method also comprises the following steps after error:
when (when)When the number [ n-3y, n-4y ], n-jy is determined]Controlling the predicted residence time T of a large group forecast Will lengthen;
calculating a dwell time correction value DeltaT and calculating a predicted dwell update time T update ；
Analysis [ n-3y, n-4 y.,. The term "n-jy.,]controlling the predicted residence time T of a large group forecast Whether or not the set duration range T is exceeded set ；
When [ n-3y, n-4 y. ], n-jy]Controlling the predicted residence time T of a large group forecast Exceeding the set time length range T set When the stay update time T is to be predicted update Update to the following [n-3y，n-4y，......，n-jy]Controlling the predicted residence time T of a large group forecast In (a) and (b); and simultaneously sends out alarm information.
4. A time-controlled control method for PCB production according to claim 3, wherein when [ n-3y, n-4y, ], n-jy]Controlling the predicted residence time T of a large group forecast Is in a set duration range T set When analyzing and predicting stay update time T update Whether or not the set duration range T is exceeded set ；
When predicting stay update time T update Exceeding the set time length range T set When the stay update time T is to be predicted update Update to the following [ n-3y, n-4y ], n-jy]Controlling the predicted residence time T of a large group forecast In (a) and (b); and simultaneously sends out alarm information.
5. The method for controlling time control for PCB production according to claim 4, wherein when the residence time T is predicted to be updated update Is in a set duration range T set When [ n-3y, n-4y ] is reserved, the term "n-jy"]Controlling the predicted residence time T of a large group forecast 。
6. The control method for time control for PCB production according to claim 2, wherein the [ n-3y, n-4y, ], n-jy is determined]Controlling the predicted residence time T of a large group forecast The method also comprises the following steps after error:
when (when)When the number [ n-3y, n-4y ], n-jy is determined]Controlling the predicted residence time T of a large group forecast Will shorten;
analysis [ n-3y, n-4 y.,. The term "n-jy.,]controlling the predicted residence time T of a large group forecast Whether or not the set duration range T is exceeded set ；
When [ n-3y, n-4 y. ], n-jy]Controlling the predicted residence time T of a large group forecast Is in a set duration range T set On inner, the [ n-3y, n-4y ], n-jy is reserved]Controlling the predicted residence time T of a large group forecast 。
7. The method of claim 6, wherein when [ n-3y, n-4y, ], n-jy]Controlling the predicted residence time T of a large group forecast Exceeding the set time length range T set Calculating a dwell time correction value DeltaT and calculating a predicted dwell update time T update 。
8. A method for controlling time control for producing PCB according to any one of claims 1-7, wherein the time period range T is set set The alarm information is provided with a plurality of alarm intervals according to the values, and different alarm intervals correspond to different alarm levels; the alarm level corresponding to the alarm interval with larger value is higher.
9. The time control and management method for producing the PCB according to claim 2, wherein the plurality of PCBs are respectively endowed with the PCB identity through the identity recognition code, and the workstation process of each PCB processing is endowed with the workstation identity.
10. The method of claim 9, wherein the identification point comprises a camera for identifying an identification code.
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US5745389A (en) * 1996-04-04 1998-04-28 Bull Hn Information Systems Inc. System and mechanism for assigning pre-established electronic addresses to printed circuit boards
CN107404809A (en) * 2017-07-21 2017-11-28 郑州云海信息技术有限公司 The time management and control method and system of OSP surface treatments are carried out to PCB
WO2018056526A1 (en) * 2016-09-20 2018-03-29 한화테크윈 주식회사 Inline idle time prediction device and method
CN112053037A (en) * 2020-08-14 2020-12-08 华中科技大学 Flexible PCB workshop scheduling optimization method and system
CN217920281U (en) * 2022-06-21 2022-11-29 涟水县苏杭科技有限公司 Rotary PCB vertical plate flattening device

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Publication number Priority date Publication date Assignee Title
US5745389A (en) * 1996-04-04 1998-04-28 Bull Hn Information Systems Inc. System and mechanism for assigning pre-established electronic addresses to printed circuit boards
WO2018056526A1 (en) * 2016-09-20 2018-03-29 한화테크윈 주식회사 Inline idle time prediction device and method
CN107404809A (en) * 2017-07-21 2017-11-28 郑州云海信息技术有限公司 The time management and control method and system of OSP surface treatments are carried out to PCB
CN112053037A (en) * 2020-08-14 2020-12-08 华中科技大学 Flexible PCB workshop scheduling optimization method and system
CN217920281U (en) * 2022-06-21 2022-11-29 涟水县苏杭科技有限公司 Rotary PCB vertical plate flattening device

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