CN109142380A - The fault detection method of circuit board, device and system - Google Patents
The fault detection method of circuit board, device and system Download PDFInfo
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- CN109142380A CN109142380A CN201811094027.6A CN201811094027A CN109142380A CN 109142380 A CN109142380 A CN 109142380A CN 201811094027 A CN201811094027 A CN 201811094027A CN 109142380 A CN109142380 A CN 109142380A
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- Prior art keywords
- circuit board
- fault
- graph
- target area
- defect point
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
Abstract
The invention discloses a kind of fault detection methods of circuit board, device and system.Wherein, this method comprises: obtaining the fault data of circuit board；According to the corresponding fault graph of fault data generative circuit plate, wherein fault graph includes: to mark the mark information of the defect point on circuit board；Fault graph is projected to target area by projection device, wherein target area is for placing circuit board.The present invention solves shows that the effect of PCBA failure detection result is not intuitive in the prior art, causes maintenance personal's maintenance process complicated, the low technical problem of maintenance efficiency.
Description
Technical field
The present invention relates to circuit board detecting field, in particular to a kind of fault detection method of circuit board, device and
System.
Background technique
Currently, AOI (Automatic Optic Inspection, automatic optics inspection) equipment would generally be used to detect
Solder joint on PCBA whether there is defect.When AOI equipment is detected automatically, is acquired and schemed by camera automatically scanning PCBA
The solder joint tested in image is compared by picture with parameter qualified in database, and passes through image procossing, is found out on PCBA
Defect, after detecting the defect of PCBA, by display screen by defect point label show.
For example, can show the picture in kind of a PCBA by display, and lacked on picture with labels such as red circles
Trapping spot position facilitates maintenance personal to find out location point on PCBA material object and repairs.This method carrys out maintenance personal
Say it is very not intuitive, when the test point in PCBA board is more, it is difficult to quickly and accurately find defect point on PCBA, and be easy
It omits.
For showing that the effect of PCBA failure detection result is not intuitive in the prior art, cause maintenance personal's maintenance process multiple
Miscellaneous, the low problem of maintenance efficiency, currently no effective solution has been proposed.
Summary of the invention
The embodiment of the invention provides a kind of fault detection methods of circuit board, device and system, existing at least to solve
It shows that the effect of PCBA failure detection result is not intuitive in technology, causes maintenance personal's maintenance process complicated, maintenance efficiency is low
Technical problem.
According to an aspect of an embodiment of the present invention, a kind of fault detection method of circuit board is provided, comprising: obtain electricity
The fault data of road plate；According to the corresponding fault graph of fault data generative circuit plate, wherein fault graph includes: label circuit board
On defect point mark information；Fault graph is projected to target area by projection device, wherein target area is for placing
Circuit board.
Further, the board mark of circuit board is obtained；It is identified according to the board of circuit board from automated optical detection equipment
Search the fault data of circuit board in place.
Further, the fault data of circuit board includes at least: the defect point position of circuit board and the ruler of each defect point
It is very little, the size of Background is determined according to the size of circuit board；According to the size of the position of defect point and defect point in Background
Mark defect point；Use the first color filling Background；Using the second color filling defect point, fault graph is obtained, wherein the
One color and the second color difference.
Further, the first color is black, and the second color is white.
Further, fault graph is being projected to target area by projection device, is receiving adjustment instruction；According to tune
Whole instruction carries out following one or more adjustment to the perspective view that projection malfunctions figure obtains: being projected according to the size adjusting of circuit board
The size of figure；Trapezoidal correction is carried out to perspective view；The position of perspective view projection is adjusted according to the position of circuit board.
According to an aspect of an embodiment of the present invention, a kind of fault detection means of circuit board is provided, comprising: obtain mould
Block, for obtaining the fault data of circuit board；Generation module is used for according to the corresponding fault graph of fault data generative circuit plate,
Wherein, fault graph includes: to mark the mark information of the defect point on circuit board；Projection module, for passing through projection device for event
Barrier figure is projected to target area, wherein target area is for placing circuit board.
According to an aspect of an embodiment of the present invention, a kind of fault detection system of circuit board is provided, comprising: automatic light
Detection device is learned, obtains the fault data of circuit board, and according to the corresponding fault graph of fault data generative circuit plate, wherein therefore
Barrier figure includes: the mark information for marking the defect point on circuit board；Projection device is communicated with automated optical detection equipment, is used for
Fault graph is projected to target area, wherein target area is for placing circuit board.
Further, above system further include: barcode scanning device, the board for obtaining circuit board identify；Wherein, automatic light
Learn the fault data that detection device is also used to the board identifier lookup circuit board by circuit board.
According to an aspect of an embodiment of the present invention, a kind of fault detection system of circuit board is provided, comprising: automatic light
Learn detection device, the fault data for generative circuit plate；Projector is communicated with automated optical detection equipment, for obtaining electricity
The fault data of road plate, according to the corresponding fault graph of fault data generative circuit plate, fault graph includes: to mark lacking on circuit board
The mark information of trapping spot, and fault graph is projected to target area, wherein target area is for placing circuit board.
Further, above system further include: barcode scanning device, the board for obtaining circuit board identify；Wherein, projector
It is also used to the fault data of the board identifier lookup circuit board by circuit board.
Further, above-mentioned projector further include: external equipment, for receiving adjustment instruction；Wherein, according to adjustment instruction
Following one or more adjustment are carried out to the perspective view that projection malfunctions figure obtains: according to the big of the size adjusting perspective view of circuit board
It is small；Trapezoidal correction is carried out to perspective view；The position of perspective view projection is adjusted according to the position of circuit board.
Further, external equipment be it is following any one or more: keypad, remote controler and mouse.
According to an aspect of an embodiment of the present invention, a kind of fault detection system of circuit board is provided, comprising: automatic light
Detection device is learned, for generating fault data；Terminal is communicated with automated optical detection equipment, for setting from automatic optics inspection
It is standby to generate the fault data that circuit board is searched in fault data, and according to the corresponding fault graph of fault data generative circuit plate；It throws
Shadow equipment, communicates with terminal, for projecting fault graph to target area, wherein target area is for placing circuit board.
According to an aspect of an embodiment of the present invention, a kind of storage medium is provided, storage medium includes the program of storage,
Wherein, when program is run, equipment where control storage medium executes following steps: obtaining the fault data of circuit board；According to event
Hinder the corresponding fault graph of data generation circuitry plate, wherein fault graph includes: to mark the mark information of the defect point on circuit board；
Fault graph is projected to target area by projection device, wherein target area is for placing circuit board.
According to an aspect of an embodiment of the present invention, a kind of processor is provided, processor is for running program, wherein
Program executes following steps when running: obtaining the fault data of circuit board；According to the corresponding failure of fault data generative circuit plate
Figure, wherein fault graph includes: to mark the mark information of the defect point on circuit board；By projection device by fault graph project to
Target area, wherein target area is for placing circuit board.
In embodiments of the present invention, the fault data for obtaining circuit board, according to the corresponding event of fault data generative circuit plate
Barrier figure, is projected fault graph to target area by projection device, wherein target area is for placing circuit board.Above scheme
Without can not mechanical structure, through projection, by defect point projection on circuit boards, personnel easy to repair are to circuit board
Defect positioned and repaired, suitable for the product of various sizes and model, solve in the prior art displaying PCBA failure
The effect of testing result is not intuitive, causes maintenance personal's maintenance process complicated, and technology is inscribed for maintenance efficiency low asking.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the fault detection method of according to embodiments of the present invention 1 circuit board；
Fig. 2 is the schematic diagram of according to embodiments of the present invention 1 PCBA a kind of；
Fig. 3 is the schematic diagram of the defect point of PCBA in Fig. 2 according to embodiments of the present invention 1；
Fig. 4 is a kind of schematic diagram of according to embodiments of the present invention 1 fault graph；
Fig. 5 is a kind of according to embodiments of the present invention 1 schematic diagram projected on PCBA；
Fig. 6 is a kind of flow chart of the fault detection method of according to embodiments of the present invention 2 circuit boards provided；
Fig. 7 is a kind of schematic diagram of the fault detection means of according to embodiments of the present invention 3 circuit board；
Fig. 8 is a kind of schematic diagram of the fault detection system of according to embodiments of the present invention 4 circuit board；
Fig. 9 is a kind of schematic diagram of the fault detection system of according to embodiments of the present invention 5 circuit board；And
Figure 10 is a kind of schematic diagram of the fault detection system of according to embodiments of the present invention 6 circuit board.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
In the following, being explained to the professional term in the following embodiments of the application:
PCB:Printed Circuit Board, i.e. printed circuit board.
The abbreviation of PCBA:Printed Circuit Board+Assembly, that is to say, that PCB hollow plate passes through SMT piece uploading,
Using the entire processing procedure of DIP plug-in unit.
AOI:Automatic Optic Inspection, i.e. automatic optics inspection, are based on optical principle come to welding
The equipment that the common deficiency encountered in production is detected.
Embodiment 1
According to embodiments of the present invention, a kind of embodiment of the fault detection method of circuit board is provided, it should be noted that
Step shown in the flowchart of the accompanying drawings can execute in a computer system such as a set of computer executable instructions, and
It, in some cases, can be to be different from sequence execution institute herein and although logical order is shown in flow charts
The step of showing or describing.
PCBA product process is usual are as follows: carries out SMT (Sueface Mount Technology, surface-assembled to PCB first
Technology), it then carries out hand and inserts DIP (Dual Inline-pin Package, double enter line encapsulation), then the PCB after encapsulation is carried out
Wave-soldering carries out defects detection to the PDBA obtained after wave-soldering finally by AOI equipment, clicks through after obtaining defect point to defect
Row maintenance repair welding.After the fault detection method of circuit board provided by the embodiments of the present application detects PCBA for AOI equipment, and
For before repairing repair welding to PCBA.
Fig. 1 is the flow chart of the fault detection method of according to embodiments of the present invention 1 circuit board, as shown in Figure 1, this method
Include the following steps:
Step S102 obtains the fault data of circuit board.
Specifically, foregoing circuit plate can be PCBA, i.e., PCB hollow plate obtained after SMT piece uploading and DIP plug-in unit at
Product circuit board.Before finished circuit board factory, it usually needs fault detection is carried out by AOI equipment, to determine the quality of PCBA.
The fault data obtained in above-mentioned steps S102 can be generated by AOI equipment, obtain the fault data of circuit board
Include:
Step S1021 obtains the board mark of circuit board.
Specifically, there is bar code or two dimensional code, for indicating that the board of PCBA identifies on PCBA.
In an alternative embodiment, PCBA enters maintenance station by assembly line, and barcode scanning gun scans the item on PCBA
Shape code or two dimensional code, to obtain the board mark of PCBA.
Step S1023 searches the number of faults of circuit board according to the board of circuit board mark from automated optical detection equipment
According to.
Specifically, AOI equipment stores the testing result of all circuit boards detected, in order to generate the failure of PCBA
Figure, needs to find out the testing result of target PCBA in AOI from all testing results stored.
In an alternative embodiment, above-mentioned barcode scanning gun is connected with AOI, and barcode scanning gun will pass through scanning bar code or two dimension
Board mark is obtained after code and is input to AOI equipment, to find the fault data of circuit board.
Step S104, according to the corresponding fault graph of fault data generative circuit plate, wherein fault graph includes: label circuit
The mark information of defect point on plate.
Specifically, fault data may include the data such as the position of defect point, quantity, fault graph can be the figure in PCBA
As upper, the defects of image point is marked to obtain according to fault data.The mode that defect point is marked can be pair
Defect point passes through the modes such as the label circle choosing of designated shape.
When in order to be projected in fault graph on PCBA, the position of defect point can be clearly indicated for staff, also
Fault graph can be obtained in accordance with the following steps:
The fault data of circuit board includes at least: the defect point position of circuit board and the size of each defect point, according to event
Hinder the corresponding fault graph of data generation circuitry plate, comprising:
Step S1041 determines the size of Background according to the size of circuit board.Specifically, the size and circuit of Background
The size of plate is identical.
Step S1043 marks trapping spot of falling vacant according to the size of the position of defect point and defect point in Background.
Specifically, the position of defect point can be described by coordinate.In an alternative embodiment, with Background
Defect point is found as (0,0), by the position of defect point in the upper left corner in Background, and according to the size of defect point,
Predetermined shape is marked, solder joint indicated by the predetermined shape marked is defect point.Above-mentioned predetermined shape can be rectangle,
Square is round, herein without limitation.
Fig. 2 is the schematic diagram of according to embodiments of the present invention 1 PCBA a kind of, and Fig. 3 is Fig. 2 according to embodiments of the present invention 1
The schematic diagram of the defect point of middle PCBA, wherein the circle in Fig. 2 and Fig. 3 is for indicating solder joint, the solder joint that Fig. 3 is surrounded by rectangle
As defect point in conjunction with shown in Fig. 2 and Fig. 3, after determining Background size, can obtain Fig. 3 in an alternative embodiment
In Background frame, after determining defect point, the rectangle in Fig. 3 can be obtained, i.e., to the label of defect point.
Step S1045 uses the first color filling Background.
Specifically, the first color can be black, the target for filling Background is energy when being projected in fault graph on PCBA
Enough distinguish defect point and other regions.When projection device projects fault graph to PCBA, in order to explicitly to dimension
Each defect point in personnel's displaying PCBA is repaired, defect point and other regions should have different bandwagon effects, above-mentioned background
Figure is used to indicate other regions of non-defective point in image.
Step S1047 obtains fault graph using the second color filling defect point, wherein the first color and the second color are not
Together.
It should be noted that for the ease of maintenance personal viewing, when being incident upon perspective view on PCBA, defect point and it is non-lack
Other regions of trapping spot have significant difference, then can set the biggish color of difference for the first color and the second color.Example
Such as: the first color is black, and the second color is white.
Fig. 4 is a kind of schematic diagram of according to embodiments of the present invention 1 fault graph, as shown in connection with fig. 4, in this example, the
One color is black, and the second color is white.When projection black, it is transparent that the position of black, which is projected on curtain,
, without any color, when projection white, it is highlighted place that the corresponding position of white, which is projected on curtain,.It is inciting somebody to action
In the case that PCBA is as curtain, then defect point can be indicated by projection malfunctions figure on PCBA.
Above scheme by filling different colors for Background and defect area, thus obtain defect point region and it is non-lack
The region of trapping spot is the projection result of pure color comparison diagram, and then when perspective view and PCBA are completely coincident, by PCBA with defect
Other unrelated regions of point hide, and highlight defect point.
It should be noted that fault data other than the size of defect point position and each defect point, can also include lacking
The data such as trapping spot quantity, facilitate maintenance and verification.
Step S106 is projected fault graph to target area by projection device, wherein target area is for placing circuit
Plate.
Specifically, the region that above-mentioned target area is placement PCBA says that fault graph is projected to PCBA when in use.It can
To adjust target area according to the position of PCBA, the position that PCB is placed can also be adjusted according to the target area of projection.
Projection device projects fault graph to target area, and the perspective view that projection obtains is adjusted to completely heavy with PCBA
It closes, non-defective point corresponding color in fault graph is black, therefore all non-defective points are fully transparent, mark without any projection
Note, defect point corresponding color in fault graph is white, therefore all defect point is all projected white bloom, so that
Maintenance personal directly observes projection result, it will be able to the simple and clear fault state for knowing PCBA and each defect point institute
Position.
Fig. 5 is a kind of according to embodiments of the present invention 1 schematic diagram projected on PCBA, which is using Fig. 4 as event
Barrier figure is projected to Fig. 2's as a result, black rectangle therein is for indicating at bloom therein, in conjunction with Fig. 2, Fig. 4 and Fig. 5 it is found that
Using PCBA as curtain when projection, the part of black is transparent, and can be immediately seen the original state of PCBA, white is in height
Light has directly indicated defect point on PCBA.
Maintenance personal not only disposably can explicitly know each defect point after obtaining the projection result in Fig. 5
Position, additionally it is possible to know the quantity and layout of defect point, to know the quality of PCBA, further, maintenance personal can be with
The maintenance that PCBA is directly carried out against projection result, welds defect point again.
Herein it should be noted that above scheme can be by corresponding software realization, and the software may be mounted at AOI
It in equipment, also may be mounted on projector, can also be mounted on individual PC.Following embodiments 4,5,6 are respectively to above-mentioned
Several situations are illustrated.
A kind of method there are also people finder's defect point easy to repair is, by laser point, to cooperate XY axis mobile, once exist
A defect point is pointed out on PCBA, tells maintenance personal position to be repaired.This method is also more direct, but can only once refer to
A defect point out cannot allow maintenance personal to get information about the quality conditions of PCBA rapidly, and maintenance personal needs constantly
It touches the button next to be switched to, cumbersome complexity.And the application above scheme disposably intuitively illustrates PCBA and owns
Defect point, maintenance personal can not only get information about the quality of PCBA, additionally it is possible to directly be tieed up according to projection result
It repairs.
From the foregoing, it will be observed that the above embodiments of the present application obtain the fault data of circuit board, according to fault data generative circuit plate
Corresponding fault graph is projected fault graph to target area by projection device, wherein target area is for placing circuit board.
Above scheme without can not mechanical structure, through projection, by defect point projection on circuit boards, personnel easy to repair
The defect of circuit board is positioned and repaired, suitable for the product of various sizes and model, solves and shows in the prior art
The effect of PCBA failure detection result is not intuitive, causes maintenance personal's maintenance process complicated, and technology is inscribed for maintenance efficiency low asking.
Embodiment 2
Fig. 6 is a kind of flow chart of the fault detection method for circuit board that the embodiment of the present invention 2 provides.The present embodiment be
It is embodied on the basis of above-described embodiment 1.
Step S61 obtains the fault data of circuit board.
Step S63, according to the corresponding fault graph of fault data generative circuit plate, wherein fault graph includes: label circuit board
On defect point mark information.
Step S65 is projected fault graph to target area by projection device, wherein target area is for placing circuit
Plate.
Step S67 receives adjustment instruction.
Specifically, above-mentioned adjustment instruction can be issued by user by remote controler or keypad, the adjustment instruction is for adjusting
It is whole to project obtained perspective view, it is completely coincident perspective view with PCBA.
Step S69 carries out following one or more adjustment: root to the perspective view that projection malfunctions figure obtains according to adjustment instruction
According to the size of the size adjusting perspective view of circuit board；Trapezoidal correction is carried out to perspective view；It is adjusted and is projected according to the position of circuit board
Scheme the position of projection.
In the above scheme, due to the distance between projection device and PCBA not necessarily fixed value, in order to make
Perspective view is completely coincident with PCBA, needs to be adjusted according to perspective view, until perspective view is identical as PCBA size.Due to projection
The position of perspective view is also not necessarily identical with the position of PCBA out, therefore also needs to adjust the position of perspective view, be allowed to
PCBA is completely coincident.
In a kind of optional mode, perspective view is bound directly for the ease of maintenance personal, PCBA is repaired, PCBA
It needs to be horizontally arranged, and above or below the projecting direction of projection device may be, it is therefore desirable to use other optical devices pair
The projection result of projection device is reflected, and perspective view is reflected into the horizontal plane for being used to place PCBA.But through superrefraction
Perspective view can be distorted, therefore this distortion can be eliminated by keystone, be allowed to be completely coincident with PCBA.
Embodiment 3
According to embodiments of the present invention, a kind of fault detection means of circuit board is provided, Fig. 7 is according to embodiments of the present invention
The schematic diagram of the fault detection means of 3 a kind of circuit board, as shown in fig. 7, the device includes:
Module 70 is obtained, for obtaining the fault data of circuit board.
Generation module 72, for according to the corresponding fault graph of fault data generative circuit plate, wherein fault graph includes: mark
Remember the mark information of the defect point on circuit board.
Projection module 74, for being projected fault graph to target area by projection device, wherein target area is for putting
Circuits plate.
As a kind of optional embodiment, obtaining module includes: acquisition submodule, for obtaining the board mark of circuit board
Know；Submodule is searched, for searching the number of faults of circuit board from automated optical detection equipment according to the board of circuit board mark
According to.
As a kind of optional embodiment, the fault data of circuit board is included at least: the defect point position of circuit board and every
The size of a defect point, generation module comprise determining that submodule, and the size of Background is determined for the size according to circuit board；
Submodule is marked, for marking trapping spot of falling vacant in Background according to the position of defect point and the size of defect point；First filling
Submodule, for using the first color filling Background；Second filling submodule, for using the second color filling defect point,
Obtain fault graph, wherein the first color and the second color difference.
As a kind of optional embodiment, the first color is black, and the second color is white.
As a kind of optional embodiment, above-mentioned apparatus further include: receiving module, for passing through projection device for failure
After figure projection to target area, adjustment instruction is received；Module is adjusted, for what is obtained according to adjustment instruction to projection malfunctions figure
Perspective view carries out following one or more adjustment: according to the size of the size adjusting perspective view of circuit board；Ladder is carried out to perspective view
Shape correction；The position of perspective view projection is adjusted according to the position of circuit board.
Embodiment 4
According to embodiments of the present invention, a kind of fault detection system of circuit board is provided, Fig. 8 is according to embodiments of the present invention
The schematic diagram of the fault detection system of 4 a kind of circuit board, as shown in figure 8, the system includes:
Automated optical detection equipment 80 obtains the fault data of circuit board, and corresponding according to fault data generative circuit plate
Fault graph, wherein fault graph include: mark circuit board on defect point mark information.
Specifically, the mode that above-mentioned automated optical detection equipment generates fault graph can be such as the step S1041 in embodiment 1
To shown in S1047.
Projection device 82, communicates with automated optical detection equipment, projects for fault graph to target area, wherein target
Region is for placing circuit board.
Specifically, HDMI interface has can be set in above-mentioned projection device, directly to receive from automated optical detection equipment 80
Fault graph.
In the above-described embodiments, according to the software installation of fault data generation fault graph in automated optical detection equipment,
Automated optical detection equipment goes out the fault data of PCBA according to the identifier lookup of PCBA, and generates fault graph, and fault graph is passed through
HDMI is sent to projection device, and projection device projects fault graph, to realize simple and clear displaying on PCBA
The technical effect of defect point.
As a kind of optional embodiment, system further include: barcode scanning device, the board for obtaining circuit board identify；Its
In, automated optical detection equipment is also used to the fault data of the board identifier lookup circuit board by circuit board.
Above-mentioned automated optical detection equipment is also used to execute other steps in embodiment 1, is not repeating herein.
Embodiment 5
According to embodiments of the present invention, a kind of fault detection system of circuit board is provided, Fig. 9 is according to embodiments of the present invention
The schematic diagram of the fault detection system of 5 a kind of circuit board, as shown in figure 9, the system includes:
Automated optical detection equipment 90, the fault data for generative circuit plate.
Projector 92, communicates with automated optical detection equipment, for obtaining the fault data of circuit board, according to fault data
The corresponding fault graph of generative circuit plate, fault graph include: to mark the mark information of the defect point on circuit board, and fault graph is thrown
Shadow is to target area, wherein target area is for placing circuit board.
Specifically, the mode that above-mentioned projector generates fault graph can be such as step S1041 to the S1047 institute in embodiment 1
Show.
In the above-described embodiments, according to fault data generate fault graph software installation in projector, projector according to
The fault data of PCBA is found out, and generates fault graph, and project to fault graph, to realize intuitive bright on PCBA
Displaying defect point technical effect.
As a kind of optional embodiment, above system further include: barcode scanning device, for obtaining the board mark of circuit board
Know；Wherein, projector is also used to the fault data of the board identifier lookup circuit board by circuit board.
As a kind of optional embodiment, projector further include: external equipment, for receiving adjustment instruction；Wherein, according to
Adjustment instruction carries out following one or more adjustment to the perspective view that projection malfunctions figure obtains: being thrown according to the size adjusting of circuit board
The size of shadow figure；Trapezoidal correction is carried out to perspective view；The position of perspective view projection is adjusted according to the position of circuit board.
As a kind of optional embodiment, external equipment be it is following any one or more: keypad, remote controler and mouse
Mark.
It is instructed specifically, above-mentioned external equipment is sent for user to projector.Further, projector can also include
Other peripheral hardwares such as human-computer interaction interface, herein without limiting.
Above-mentioned projector is also used to execute other steps in embodiment 2, is not repeating herein.
Embodiment 6
According to embodiments of the present invention, a kind of fault detection system of circuit board is provided, Figure 10 is to implement according to the present invention
A kind of schematic diagram of the fault detection system of circuit board of example 6, as shown in Figure 10, which includes:
Automated optical detection equipment 100, for generating fault data.
Terminal 102, communicates with automated optical detection equipment, looks into for generating in fault data from automated optical detection equipment
The fault data of circuit board is looked for, and according to the corresponding fault graph of fault data generative circuit plate.
Projection device 104, communicates with terminal, for projecting fault graph to target area, wherein target area is for putting
Circuits plate.
In the above-described embodiments, according to the software installation of fault data generation fault graph in terminal, terminal can be PC
Or mobile terminal, terminal generate fault graph, and fault graph is transmitted through the network to throwing according to the fault data of the PCBA of acquisition
Shadow instrument projects fault graph by projector, to realize the technology effect of simple and clear displaying defect point on PCBA
Fruit.
Specifically, above-mentioned projector needs, for communicating with terminal, to receive terminal with wireless communication module or network interface
The fault graph of transmission.
Above-mentioned terminal is also used to execute other steps in embodiment 1, is not repeating herein.
Embodiment 7
According to embodiments of the present invention, a kind of storage medium is provided, the storage medium includes the program of storage, wherein
Equipment where controlling the storage medium in described program operation executes following steps: obtaining the fault data of circuit board；Root
The corresponding fault graph of the circuit board is generated according to the fault data, wherein the fault graph includes: on the label circuit board
Defect point mark information；The fault graph is projected to target area by projection device, wherein use the target area
In the placement circuit board.
In addition, also equipment where control storage medium executes other steps in embodiment 1 when program is run, herein no longer
It repeats.
Embodiment 8
According to embodiments of the present invention, a kind of processor is provided, the processor is for running program, wherein the journey
Following steps are executed when sort run: obtaining the fault data of circuit board；It is corresponding that the circuit board is generated according to the fault data
Fault graph, wherein the fault graph includes: the mark information of the defect point on the label circuit board；Pass through projection device
The fault graph is projected to target area, wherein the target area is for placing the circuit board.
In addition, processor can also execute other steps in embodiment 1 when running, details are not described herein again.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment
The part of detailed description, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module
It connects, can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can for personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned includes: that USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. be various to can store program code
Medium.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (15)
1. a kind of fault detection method of circuit board characterized by comprising
Obtain the fault data of circuit board；
The corresponding fault graph of the circuit board is generated according to the fault data, wherein the fault graph includes: the label electricity
The mark information of defect point on the plate of road；
The fault graph is projected to target area by projection device, wherein the target area is for placing the circuit
Plate.
2. the method according to claim 1, wherein the fault data for obtaining circuit board includes:
Obtain the board mark of the circuit board；
The fault data of the circuit board is searched from automated optical detection equipment according to the board of circuit board mark.
3. according to the method described in claim 2, it is characterized in that, the fault data of the circuit board includes at least: the electricity
The size of the defect point position of road plate and each defect point generates the corresponding event of the circuit board according to the fault data
Barrier figure, comprising:
The size of Background is determined according to the size of the circuit board；
The defect point is marked in the Background according to the size of the position of the defect point and the defect point；
Use Background described in the first color filling；
Using defect point described in the second color filling, the fault graph is obtained, wherein first color and second color
It is different.
4. according to the method described in claim 3, second color is white it is characterized in that, first color is black
Color.
5. the method according to claim 1, wherein the fault graph is projected to target by projection device
After region, the method also includes:
Receive adjustment instruction；
Following one or more adjustment are carried out to the perspective view that the fault graph obtains is projected according to the adjustment instruction:
According to the size of perspective view described in the size adjusting of the circuit board；
Trapezoidal correction is carried out to the perspective view；
The position of the perspective view projection is adjusted according to the position of the circuit board.
6. a kind of fault detection means of circuit board characterized by comprising
Module is obtained, for obtaining the fault data of circuit board；
Generation module, for generating the corresponding fault graph of the circuit board according to the fault data, wherein the fault graph packet
It includes: marking the mark information of the defect point on the circuit board；
Projection module, for being projected the fault graph to target area by projection device, wherein the target area is used for
Place the circuit board.
7. a kind of fault detection system of circuit board characterized by comprising
Automated optical detection equipment obtains the fault data of circuit board, and generates the circuit board pair according to the fault data
The fault graph answered, wherein the fault graph includes: the mark information of the defect point on the label circuit board；
Projection device is communicated with the automated optical detection equipment, is projected for the fault graph to target area, wherein institute
Target area is stated for placing the circuit board.
8. system according to claim 7, which is characterized in that the system also includes:
Barcode scanning device, the board for obtaining the circuit board identify；
Wherein, the automated optical detection equipment is also used to the event of circuit board described in the board identifier lookup by the circuit board
Hinder data.
9. a kind of fault detection system of circuit board characterized by comprising
Automated optical detection equipment, the fault data for generative circuit plate；
Projector is communicated with the automated optical detection equipment, for obtaining the fault data of the circuit board, according to the event
Hinder data and generate the corresponding fault graph of the circuit board, the fault graph includes: the mark of the defect point on the label circuit board
Remember information, and the fault graph is projected to target area, wherein the target area is for placing the circuit board.
10. system according to claim 9, which is characterized in that the system also includes:
Barcode scanning device, the board for obtaining the circuit board identify；
Wherein, the projector is also used to the fault data of circuit board described in the board identifier lookup by the circuit board.
11. system according to claim 9, which is characterized in that the projector further include:
External equipment, for receiving adjustment instruction；
Wherein, following one or more adjustment are carried out to the perspective view that the fault graph obtains is projected according to the adjustment instruction:
According to the size of perspective view described in the size adjusting of the circuit board；
Trapezoidal correction is carried out to the perspective view；
The position of the perspective view projection is adjusted according to the position of the circuit board.
12. system according to claim 11, which is characterized in that the external equipment be it is following any one or more:
Keypad, remote controler and mouse.
13. a kind of fault detection system of circuit board characterized by comprising
Automated optical detection equipment, for generating fault data；
Terminal is communicated with the automated optical detection equipment, for generating in fault data from the automated optical detection equipment
The fault data of the circuit board is searched, and the corresponding fault graph of the circuit board is generated according to the fault data；
Projection device is communicated with the terminal, for projecting the fault graph to target area, wherein the target area
For placing the circuit board.
14. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein run in described program
When control the storage medium where equipment execute following steps: obtain the fault data of circuit board；According to the fault data
Generate the corresponding fault graph of the circuit board, wherein the fault graph includes: the label of the defect point on the label circuit board
Information；The fault graph is projected to target area by projection device, wherein the target area is for placing the circuit
Plate.
15. a kind of processor, which is characterized in that the processor is for running program, wherein executed such as when described program is run
Lower step: the fault data of circuit board is obtained；The corresponding fault graph of the circuit board is generated according to the fault data, wherein
The fault graph includes: the mark information of the defect point on the label circuit board；The fault graph is thrown by projection device
Shadow is to target area, wherein the target area is for placing the circuit board.
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| CN201811094027.6A CN109142380A (en) | 2018-09-19 | 2018-09-19 | The fault detection method of circuit board, device and system |
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|---|---|---|---|
| CN201811094027.6A CN109142380A (en) | 2018-09-19 | 2018-09-19 | The fault detection method of circuit board, device and system |
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| CN109813729A (en) * | 2019-01-07 | 2019-05-28 | 洛阳兰迪玻璃机器股份有限公司 | A kind of support analyte detection and result instruction device |
| CN111190094A (en) * | 2020-01-13 | 2020-05-22 | 山东商务职业学院 | Control system based on circuit physical parameter detection |
| CN111369517A (en) * | 2020-02-28 | 2020-07-03 | 创新奇智(合肥)科技有限公司 | Automatic quality inspection method and device for solar panel, electronic equipment and storage medium |
| CN111521952A (en) * | 2020-05-08 | 2020-08-11 | 红河学院 | Synchronous rectification circuit, charger and synchronous rectification circuit control method and system |
| CN112712149A (en) * | 2020-12-30 | 2021-04-27 | 重庆盛泰光电有限公司 | Production information management system based on two-dimensional code recognition |
| CN114871118A (en) * | 2022-04-29 | 2022-08-09 | 东莞市科纯电子有限公司 | Item parameter display method for multiple visual inspection test equipment of PCBA (printed circuit board assembly) |
| CN115014427A (en) * | 2021-03-05 | 2022-09-06 | 奥特斯(中国)有限公司 | Measuring physical properties of component carriers based on design data |
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| CN109813729A (en) * | 2019-01-07 | 2019-05-28 | 洛阳兰迪玻璃机器股份有限公司 | A kind of support analyte detection and result instruction device |
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| CN111521952A (en) * | 2020-05-08 | 2020-08-11 | 红河学院 | Synchronous rectification circuit, charger and synchronous rectification circuit control method and system |
| CN112712149A (en) * | 2020-12-30 | 2021-04-27 | 重庆盛泰光电有限公司 | Production information management system based on two-dimensional code recognition |
| CN112712149B (en) * | 2020-12-30 | 2022-12-02 | 盛泰光电科技股份有限公司 | Production information management system based on two-dimensional code recognition |
| CN115014427A (en) * | 2021-03-05 | 2022-09-06 | 奥特斯(中国)有限公司 | Measuring physical properties of component carriers based on design data |
| CN114871118A (en) * | 2022-04-29 | 2022-08-09 | 东莞市科纯电子有限公司 | Item parameter display method for multiple visual inspection test equipment of PCBA (printed circuit board assembly) |
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