CN108983460A - A kind of the positioning accuracy compensation system and method for probe compression bonding apparatus - Google Patents
A kind of the positioning accuracy compensation system and method for probe compression bonding apparatus Download PDFInfo
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- CN108983460A CN108983460A CN201810942651.0A CN201810942651A CN108983460A CN 108983460 A CN108983460 A CN 108983460A CN 201810942651 A CN201810942651 A CN 201810942651A CN 108983460 A CN108983460 A CN 108983460A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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Abstract
The application discloses the positioning accuracy compensation system and method for a kind of probe compression bonding apparatus, and the system comprises probe compression bonding apparatus, positioning accuracy measuring device and controllers；Controller includes measurement control module, displacement drive module, data processing module and positioning accuracy compensating module；Probe compression bonding apparatus is set up in above test fixture, is connected with displacement drive module；Displacement drive module is connected with measurement control module；Positioning accuracy measuring device is connected with measurement control module；Measurement control module is connected with data processing module；Data processing module is connected with positioning accuracy compensating module.Compared with prior art, the application system and method realizes the automatic control to probe compression bonding apparatus and positioning accuracy measuring device, testing efficiency and data accuracy are improved simultaneously, obtained positioning accuracy compensated curve is more accurate, so that the positioning accuracy of the probe compression bonding apparatus after compensation data is higher, satisfy the use demand.
Description
Technical field
This application involves LCD detection technique field more particularly to a kind of positioning accuracy compensation systems of probe compression bonding apparatus
And method.
Background technique
Liquid crystal display (Liquid Crystal Display, LCD) has thin fuselage, power saving, radiationless etc. numerous excellent
Point, is widely used, such as smart phone screen, digital camera screen, computer screen and smart television screen
Deng.
LCD in process of production, is needed using detection device, by flexible circuit board (the Flexible Printed of LCD
Circuit, FPC) connector of terminals is mutually patched with the probe of detection device, to carry out lighting test to LCD.Fig. 1 is
The structural schematic diagram of Cell lighting detection device, it is mainly determined using the motor of X-axis in probe tip, Y-axis, Z axis and θ axis
Relative position between syringe needle and LCD pixel point.During syringe needle positions pixel, probe crimping is driven by linear motor
Device moves in a straight line, and drives probe compression bonding apparatus to make rotating motion by rotating electric machine, the reason of the probe tip under motor driven
Difference by displacement and actual displacement is the positioning accuracy of probe compression bonding apparatus.Also, positioning accuracy, which will have a direct impact on, to be lighted
Success rate.
As each electronic product screen resolution is higher and higher, the distance on circuit board between pixel is also smaller and smaller,
About 50 μm, therefore also have higher requirement to the positioning accuracy of Cell lighting detection device.It is existing to Cell point lamp inspection
In the test compensation method of the positioning accuracy of measurement equipment, a people is needed to operate PLC control motor shaft movement, people's operation swashs
Optical interferometer and the test value (absolute fix precision) for recording test point, more people ceaselessly record data, inefficiency and easily
Error.In addition, tester ceaselessly records data and determines the correctness of test, so that the laser interferometer actual test time
It is very short, it further reduced testing efficiency.
Summary of the invention
The application provides the positioning accuracy compensation system and method for a kind of probe compression bonding apparatus, to solve previous compensation method
The low problem of middle testing efficiency.
In a first aspect, the system includes: to visit this application provides a kind of positioning accuracy compensation system of probe compression bonding apparatus
Needle compression bonding apparatus, positioning accuracy measuring device and controller；The controller includes measurement control module, displacement drive mould
Block, data processing module and positioning accuracy compensating module；
The probe compression bonding apparatus is set up in above test fixture, is connected with the displacement drive module；The displacement is driven
Dynamic model block is connected with the measurement control module；The positioning accuracy measuring device is connected with the measurement control module；It is described
Measurement control module is connected with the data processing module；The data processing module and the positioning accuracy compensating module phase
Even；
Wherein:
The measurement control module, for when the measurement for receiving enabling signal or positioning accuracy measuring device transmission
When feedback signal, according to the location information of next preset data collection point of LCD to be measured, sent to the displacement drive module
Displacement commands；When receiving the Displacement Feedback signal of displacement drive module transmission, sent to the positioning accuracy measuring device
Measurement instruction；
The displacement drive module, for driving the probe compression bonding apparatus according to the displacement commands received, so as to visit
Needle syringe needle is moved to corresponding data collection point；
The positioning accuracy measuring device, for the actual displacement according to the measurement instruction received to the probe tip
It measures；
The data processing module, for according to the actual displacement of the probe tip to each data collection point and
Theory, which is displaced, determines positioning accuracy compensated curve；
The positioning accuracy compensating module is used for according to the positioning accuracy compensated curve, to the probe compression bonding apparatus
Carry out positioning accuracy compensation.
Further, the probe compression bonding apparatus includes X to drive shaft, Y-direction drive shaft, Z-direction drive shaft and θ to drive shaft.
Further, the displacement commands include X to displacement commands, Y-direction displacement commands and θ to displacement commands.
Further, the data processing module is specifically used for:
According to the actual displacement of probe tip to each data collection point and theoretical displacement, probe compression bonding apparatus is obtained
To the placement error value of each data collection point；The placement error value includes X to error amount, Y-direction position error amount and θ to accidentally
Difference；
It is displaced respectively according to probe tip to the X of each data collection point to error amount and X to theory, Y-direction error
Value and the displacement of Y-direction theory and θ are displaced to error amount and θ to theory, and fitting obtains X to drive shaft, Y-direction drive shaft and θ to drive
The cubic spline interpolation compensated curve of moving axis, with the cubic spline interpolation compensated curve for the positioning accuracy compensated curve.
Further, the positioning accuracy compensating module is specifically used for:
Cubic spline interpolation compensated curve according to the X to drive shaft, Y-direction drive shaft and from θ to drive shaft respectively determines
X is to offset, Y-direction offset and θ to offset；
The X is input in the displacement drive module to offset, Y-direction offset and θ to offset, with compensation
The positioning accuracy of the probe compression bonding apparatus.
Second aspect, also a kind of positioning accuracy compensation method of probe compression bonding apparatus of the embodiment of the present application, the method packet
It includes:
When receiving the measurement feedback signal that enabling signal or positioning accuracy measuring device are sent, according to LCD's to be measured
The location information of next preset data collection point drives probe compression bonding apparatus, so that probe tip is moved to corresponding data
Collection point；
When receiving Displacement Feedback signal, control positioning accuracy measuring device to the actual displacement of the probe tip into
Row measurement；
The probe is determined according to the actual displacement of the probe tip to each data collection point and theoretical displacement
The positioning accuracy compensated curve of compression bonding apparatus；
According to the positioning accuracy compensated curve, positioning accuracy compensation is carried out to the probe compression bonding apparatus.
Further, the probe compression bonding apparatus includes X to drive shaft, Y-direction drive shaft, Z-direction drive shaft and θ to drive shaft.
Further, the location information of next preset data collection point according to LCD to be measured, driving probe crimping dress
It sets, comprising:
Displacement commands are generated according to the location information of next preset data collection point of LCD to be measured；The displacement commands
Including X to displacement commands, Y-direction displacement commands and θ to displacement commands；
Drive the X to drive shaft, Y to displacement commands, Y-direction displacement commands and θ to displacement commands according to the X respectively
To drive shaft and θ to drive shaft.
Further, the actual displacement according to the probe tip to each data collection point and theoretical displacement are true
Determine positioning accuracy compensated curve, comprising:
According to the actual displacement of probe tip to each data collection point and theoretical displacement, probe compression bonding apparatus is obtained
To the placement error value of each data collection point；The placement error value includes X to error amount, Y-direction position error amount and θ to accidentally
Difference；
It is displaced respectively according to probe tip to the X of each data collection point to error amount and X to theory, Y-direction error
Value and the displacement of Y-direction theory and θ are displaced to error amount and θ to theory, and fitting obtains X to drive shaft, Y-direction drive shaft and θ to drive
The cubic spline interpolation compensated curve of moving axis, with the cubic spline interpolation compensated curve for the positioning accuracy compensated curve.
Further, described according to positioning accuracy compensated curve, positioning accuracy compensation, packet are carried out to the probe compression bonding apparatus
It includes:
Cubic spline interpolation compensated curve according to the X to drive shaft, Y-direction drive shaft and from θ to drive shaft respectively determines
X is to offset, Y-direction offset and θ to offset；
The X is input in the program of driving probe compression bonding apparatus to offset, Y-direction offset and θ to offset,
To compensate the positioning accuracy of the probe compression bonding apparatus.
From the above technical scheme, the application provides positioning accuracy compensation system and the side of a kind of probe compression bonding apparatus
Method, the system comprises: probe compression bonding apparatus, positioning accuracy measuring device and controller；The controller includes measurement control
Molding block, displacement drive module, data processing module and positioning accuracy compensating module；The probe compression bonding apparatus is set up in test
Above jig, it is connected with the displacement drive module；The displacement drive module is connected with the measurement control module；It is described fixed
Position accuracy measuring device is connected with the measurement control module；The measurement control module is connected with the data processing module；
The data processing module is connected with the positioning accuracy compensating module.
Compared with prior art, the application system and method is realized to probe compression bonding apparatus and positioning accuracy measuring device
Automatic control, while improving testing efficiency and data accuracy, obtained positioning accuracy compensated curve is more accurate so that
The positioning accuracy of probe compression bonding apparatus after compensation data is higher, satisfies the use demand.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without any creative labor,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of the application positioning accuracy compensation system of probe compression bonding apparatus shown according to an exemplary embodiment
Block diagram；
Fig. 2 is the structure chart and coordinate system schematic diagram of the probe compression bonding apparatus shown in the application one embodiment；
Fig. 3 is a kind of the application positioning accuracy compensation method of probe compression bonding apparatus shown according to an exemplary embodiment
Flow chart.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work, all should belong to protection of the present invention
Range.
The precision of artificial detection and the fluctuation of accuracy rate subjectivity are larger in LCD industry industry, and enterprises using the labor amount mobility is higher,
Cost of labor rises year by year.The appearance of Cell lighting detection device greatly enhances the quality and row of LCD producer product
The competitiveness of industry significantly saves the loss of human resources.
Cell lighting detection device determines probe needle using the motor of the X-axis of probe compression bonding apparatus, Y-axis, Z axis and θ axis
Relative position between head and liquid crystal display pixel.As screen resolution is higher and higher, pixel spacing is more next on circuit board
Smaller (being at present 50 μm), LCD industry is higher and higher to the probe compression bonding apparatus positioning accuracy request of Cell lighting detection device.
In Cell lighting detection device, probe compression bonding apparatus is driven to move in a straight line by linear motor, rotating electric machine drives probe pressure
Connection device makes rotating motion, and positioning accuracy directly influences probe crimping and lights success rate, and therefore, it is necessary to determine motor
Position precision is measured and is compensated.
Fig. 1 is a kind of block diagram of the positioning accuracy compensation system of probe compression bonding apparatus provided in this embodiment, refering to fig. 1 may be used
Know, the system comprises probe compression bonding apparatus 100, positioning accuracy measuring device 200 and controllers 300 for the present embodiment；It is described
Controller 300 includes that measurement control module 310, displacement drive module 320, data processing module 330 and positioning accuracy compensate mould
Block 340；
The probe compression bonding apparatus 100 is set up in above test fixture, is connected with the displacement drive module 320；It is described
Displacement drive module 320 is connected with the measurement control module 310；The positioning accuracy measuring device 200 is controlled with the measurement
Molding block 310 is connected；The measurement control module 310 is connected with the data processing module 330；The data processing module
330 are connected with the positioning accuracy compensating module 340；
Wherein:
The measurement control module 310 receives enabling signal or the positioning accuracy measuring device 200 transmission for working as
Measurement feedback signal when, according to the location information of next preset data collection point of LCD to be measured, to the displacement drive mould
Block 320 sends displacement commands；When receiving the Displacement Feedback signal of the transmission of displacement drive module 320, to the positioning accuracy
Measuring device 200 sends measurement instruction；
The displacement drive module 320, for driving the probe compression bonding apparatus 100 according to the displacement commands received,
So that probe tip is moved to corresponding data collection point；
The positioning accuracy measuring device 200, for the reality according to the measurement instruction received to the probe tip
Displacement measures；
The data processing module 330, for the actual bit according to the probe tip to each data collection point
It moves and theoretical be displaced determines positioning accuracy compensated curve；
The positioning accuracy compensating module 340, for crimping and filling to the probe according to the positioning accuracy compensated curve
It sets and carries out positioning accuracy compensation.
Referring to Fig.2, in the present embodiment, probe compression bonding apparatus 100 is configured with 4 motor shafts, respectively X to drive shaft 110,
Y-direction drive shaft 120, Z-direction drive shaft 130 and θ are to drive shaft 140.Wherein, X to drive shaft 110 be linear motor, for controlling
Probe tip 150 moves in a straight line in the X-axis direction；Y-direction drive shaft 120 is servo motor or linear mould group, is visited for controlling
Needle syringe needle 150 moves in a straight line in the Y-axis direction；Z-direction drive shaft 130 is servo motor or electronic slide unit, for depressing probe
Pressure head and probe tip 150；θ to drive shaft 140 be DD rotation motor, for control probe tip 150 in the inclined of the direction θ
Difference.
In the present embodiment, since probe compression bonding apparatus 100 can be realized essence to bit function, thus movement travel is short.Therefore
In order to objectively react the positioning accuracy of probe compression bonding apparatus 100 comprehensively, in the movement travel range of its drive motor shaft
50 data collection points are inside averagely set.
In the present embodiment, positioning accuracy measuring device 200 can use laser interferometer.When probe tip 150 rests on
When corresponding data collection point, the actual displacement of probe tip 150 is measured by laser interferometer, and record measurement number
According to.
In the present embodiment, measurement control module 310, displacement drive module 320, data processing module 330 and positioning accuracy
Compensating module 340 can be understood as the control program or data processor being built in controller 300.
It is first when carrying out positioning accuracy test using the positioning accuracy compensation system of probe compression bonding apparatus provided in this embodiment
First activation system, at this point, measurement control module 310 receives enabling signal；Control module 310 is measured according to pre- on LCD to be measured
If several data collection points in first data collection point location information, generate displacement commands, which includes X
To displacement commands, Y-direction displacement commands and θ to displacement commands.Wherein, the location information of data collection point may include that data are adopted
Collect the position coordinates of point.Coordinate system belonging to the position coordinates should be with the coordinate system that sets in the application system controller to be same
Coordinate system.Above-mentioned X is sent to by measurement control module 310 simultaneously to displacement commands, Y-direction displacement commands and θ to displacement commands
Displacement drive module 320 after displacement drive module 320 receives above-mentioned displacement commands, controls X to driving according to the displacement commands
Axis, Y-direction drive shaft and θ work to drive shaft, so that probe tip be made to be moved to corresponding data collection point.At this point, displacement is driven
Dynamic model block 320 sends a Displacement Feedback signal to measurement control module 310.
When measurement control module 310 receives the Displacement Feedback signal of the transmission of displacement drive module 320, to positioning accuracy
Measuring device 200 sends measurement instruction；After positioning accuracy measuring device 200 receives the measurement instruction, to the reality of probe tip
Border displacement measures, and test data is transmitted to data processing module 330.After measurement, positioning accuracy measuring device 200
A measurement feedback signal is sent to measurement control module 310.
When measuring control module 310 and receiving the measurement feedback signal of the transmission of positioning accuracy measuring device 200, illustrate pair
It has been finished in the test of the data collection point, has then repeated the above process next preset data collection point progress to LCD
Test is completed until to whole preset data collection points.
After being completed, data processing module 330 obtains the theoretical displacement data of each preset data collection point, and according to
The probe tip measured determines positioning accuracy compensated curve to the actual displacement data of each data collection point；
The determination method of positioning accuracy compensated curve has very much, such as obtains linear compensation curve by linear fit, or
Person obtains segmented compensation curve etc..
In the present embodiment, data processing module 330 determines positioning accuracy compensated curve especially by following step:
Firstly, obtaining probe pressure according to the actual displacement of probe tip to each data collection point and theoretical displacement
Placement error value of the connection device to each data collection point；The placement error value include X to error amount, Y-direction position error amount with
And θ is to error amount；In this step, it is decomposed by the placement error value to each data collection point, obtains all directions
Drive shaft placement error value, i.e. X is to the placement error value X of drive shaft to error amount, the placement error value Y of Y-direction drive shaft
To error amount and θ to the placement error value θ of drive shaft to error amount.
Secondly, being displaced respectively according to probe tip to the X of each data collection point to error amount and X to theory, Y-direction
Error amount and the displacement of Y-direction theory and θ are displaced to error amount and θ to theory, and fitting obtains X to drive shaft, Y-direction drive shaft and θ
It is that positioning accuracy compensation is bent with the cubic spline interpolation compensated curve to the cubic spline interpolation compensated curve of drive shaft
Line.
In the present embodiment, by positioning accuracy compensating module 340 according to obtained positioning accuracy compensated curve, to the probe
Compression bonding apparatus carries out positioning accuracy compensation.Since the X of probe compression bonding apparatus is to drive shaft, Y-direction drive shaft and θ to the equal energy of drive shaft
Positioning accuracy is directly affected, in other words, the placement error value of above-mentioned each data collection point is from X to drive shaft, Y-direction drive shaft
The composition error generated jointly with θ to drive shaft, therefore, it is necessary to the independent errors according to the drive shaft in each direction, to each
Drive shaft is compensated respectively.
Specifically, positioning accuracy compensating module 340 can as steps described below, to the positioning accuracy of probe compression bonding apparatus into
Row compensation:
Firstly, being compensated respectively according to the X to drive shaft, Y-direction drive shaft and θ to the cubic spline interpolation of drive shaft bent
Line determines X to offset, Y-direction offset and θ to offset；
Secondly, the X is input in the displacement drive module to offset, Y-direction offset and θ to offset,
To compensate the positioning accuracy of the probe compression bonding apparatus.
As can be seen from the above embodiments, the positioning accuracy compensation system of probe compression bonding apparatus provided by the present application includes: probe
Compression bonding apparatus, positioning accuracy measuring device and controller；The controller include measurement control module, displacement drive module,
Data processing module and positioning accuracy compensating module；The probe compression bonding apparatus is set up in above test fixture, with the displacement
Drive module is connected；The displacement drive module is connected with the measurement control module；The positioning accuracy measuring device and institute
Measurement control module is stated to be connected；The measurement control module is connected with the data processing module；The data processing module with
The positioning accuracy compensating module is connected.
Compared with prior art, the application system and method is realized to probe compression bonding apparatus and is determined by measurement control module
The automatic control of position accuracy measuring device, while testing efficiency and data accuracy are improved, obtained positioning accuracy compensation is bent
Line is more accurate, so that the positioning accuracy of the probe compression bonding apparatus after compensation data is higher, satisfies the use demand.
According to the positioning accuracy compensation system of above-mentioned probe compression bonding apparatus, the application also provides a kind of probe compression bonding apparatus
Positioning accuracy compensation method, this method are methods corresponding with above-mentioned compensation system.
Refering to Fig. 3, this method includes the following steps:
Step S110, when receiving the measurement feedback signal that enabling signal or positioning accuracy measuring device are sent, according to
The location information of next preset data collection point of LCD to be measured drives probe compression bonding apparatus, so that probe tip is moved to phase
The data collection point answered；
Step S120 controls positioning accuracy measuring device to the probe tip when receiving Displacement Feedback signal
Actual displacement measures；
Step S130 is determined according to the actual displacement of the probe tip to each data collection point and theoretical displacement
The positioning accuracy compensated curve of the probe compression bonding apparatus；
Step S140 carries out positioning accuracy compensation to the probe compression bonding apparatus according to the positioning accuracy compensated curve.
Preferably, the probe compression bonding apparatus includes X to drive shaft, Y-direction drive shaft, Z-direction drive shaft and θ to drive shaft.
Preferably, it is driven described in step S110 according to the location information of next preset data collection point of LCD to be measured
Dynamic probe compression bonding apparatus, comprising:
Step S111 generates displacement commands according to the location information of next preset data collection point of LCD to be measured；It is described
Displacement commands include X to displacement commands, Y-direction displacement commands and θ to displacement commands；
Step S112 drives the X to displacement commands, Y-direction displacement commands and θ to displacement commands according to the X respectively
To drive shaft, Y-direction drive shaft and θ to drive shaft.
Preferably, the actual displacement and reason described in step S130 according to probe tip to each data collection point
Positioning accuracy compensated curve is determined by being displaced, comprising:
Step S131 is visited according to the actual displacement of probe tip to each data collection point and theoretical displacement
Placement error value of the needle compression bonding apparatus to each data collection point；The placement error value includes X to error amount, Y-direction position error
Value and θ are to error amount；
Step S132, respectively according to probe tip to the X of each data collection point to error amount and X to theoretical position
Shifting, Y-direction error amount and the displacement of Y-direction theory and θ are displaced to error amount and θ to theory, and fitting obtains X to drive shaft, Y-direction driving
Axis and cubic spline interpolation compensated curve from θ to drive shaft, with the cubic spline interpolation compensated curve for the positioning accuracy
Compensated curve.
Preferably, described in above-mentioned steps S140 according to positioning accuracy compensated curve, to the probe compression bonding apparatus into
The compensation of row positioning accuracy, comprising:
Step S141 is compensated according to the X to drive shaft, Y-direction drive shaft and θ to the cubic spline interpolation of drive shaft respectively
Curve determines X to offset, Y-direction offset and θ to offset；
The X is input to driving probe compression bonding apparatus to offset, Y-direction offset and θ to offset by step S142
Program in, to compensate the positioning accuracy of the probe compression bonding apparatus.
The positioning accuracy compensation system and method for probe compression bonding apparatus provided by the embodiments of the present application, with prior art phase
Than can be realized the automatic control to probe compression bonding apparatus and positioning accuracy measuring device, while improving testing efficiency sum number
According to accuracy, obtained positioning accuracy compensated curve is more accurate, so that the positioning of the probe compression bonding apparatus after compensation data
Precision is higher, satisfies the use demand.
In the specific implementation, the present invention also provides a kind of computer storage mediums, wherein the computer storage medium can store
There is program, which may include some or all of in each embodiment of positioning accuracy compensation method provided by the invention when executing
Step.The storage medium can for magnetic disk, CD, read-only memory (English: read-only memory, referred to as:
ROM) or random access memory (English: random access memory, referred to as: RAM) etc..
It is required that those skilled in the art can be understood that the technology in the embodiment of the present invention can add by software
The mode of general hardware platform realize.Based on this understanding, the technical solution in the embodiment of the present invention substantially or
Say that the part that contributes to existing technology can be embodied in the form of software products, which can deposit
Storage is in storage medium, such as ROM/RAM, magnetic disk, CD, including some instructions are used so that computer equipment (can be with
It is personal computer, server or the network equipment etc.) execute certain part institutes of each embodiment of the present invention or embodiment
The method stated.
Same and similar part may refer to each other between each embodiment in this specification.Implement especially for method
For example, since it is substantially similar to the method embodiment, so being described relatively simple, related place is referring in embodiment of the method
Explanation.
Claims (10)
1. a kind of positioning accuracy compensation system of probe compression bonding apparatus, which is characterized in that the system comprises: probe crimping dress
It sets, positioning accuracy measuring device and controller；The controller includes measurement control module, displacement drive module, at data
Manage module and positioning accuracy compensating module；
The probe compression bonding apparatus is set up in above test fixture, is connected with the displacement drive module；The displacement drive mould
Block is connected with the measurement control module；The positioning accuracy measuring device is connected with the measurement control module；The measurement
Control module is connected with the data processing module；The data processing module is connected with the positioning accuracy compensating module；
Wherein:
The measurement control module, for when the measurement feedback for receiving enabling signal or positioning accuracy measuring device transmission
When signal, according to the location information of next preset data collection point of LCD to be measured, sends and be displaced to the displacement drive module
Instruction；When receiving the Displacement Feedback signal of displacement drive module transmission, sends and measure to the positioning accuracy measuring device
Instruction；
The displacement drive module, for driving the probe compression bonding apparatus according to the displacement commands received, so that probe needle
Head is moved to corresponding data collection point；
The positioning accuracy measuring device, for being carried out according to the measurement instruction received to the actual displacement of the probe tip
Measurement；
The data processing module, for the actual displacement and theory according to the probe tip to each data collection point
It is displaced and determines positioning accuracy compensated curve；
The positioning accuracy compensating module, for being carried out to the probe compression bonding apparatus according to the positioning accuracy compensated curve
Positioning accuracy compensation.
2. system according to claim 1, which is characterized in that the probe compression bonding apparatus includes that X drives to drive shaft, Y-direction
Moving axis, Z-direction drive shaft and θ are to drive shaft.
3. system according to claim 2, which is characterized in that the displacement commands include that X is displaced to displacement commands, Y-direction
Instruction and θ are to displacement commands.
4. system according to claim 3, which is characterized in that the data processing module is specifically used for:
According to the actual displacement of probe tip to each data collection point and theoretical displacement, probe compression bonding apparatus is obtained to every
The placement error value of a data collection point；The placement error value includes X to error amount, Y-direction position error amount and θ to error
Value；
Respectively according to probe tip to the X of each data collection point to error amount and X to theory displacement, Y-direction error amount and Y
It is displaced to theory displacement and θ to error amount and θ to theory, fitting obtains X to drive shaft, Y-direction drive shaft and θ to drive shaft
Cubic spline interpolation compensated curve, with the cubic spline interpolation compensated curve for the positioning accuracy compensated curve.
5. system according to claim 4, which is characterized in that the positioning accuracy compensating module is specifically used for:
Cubic spline interpolation compensated curve according to the X to drive shaft, Y-direction drive shaft and from θ to drive shaft respectively, determine X to
Offset, Y-direction offset and θ are to offset；
The X is input in the displacement drive module to offset, Y-direction offset and θ to offset, described in compensation
The positioning accuracy of probe compression bonding apparatus.
6. a kind of positioning accuracy compensation method of probe compression bonding apparatus, which is characterized in that the described method includes:
When receiving the measurement feedback signal that enabling signal or positioning accuracy measuring device are sent, according to the next of LCD to be measured
The location information of a preset data collection point drives probe compression bonding apparatus, so that probe tip is moved to corresponding data acquisition
Point；
When receiving Displacement Feedback signal, control positioning accuracy measuring device surveys the actual displacement of the probe tip
Amount；
The probe crimping is determined according to the actual displacement of the probe tip to each data collection point and theoretical displacement
The positioning accuracy compensated curve of device；
According to the positioning accuracy compensated curve, positioning accuracy compensation is carried out to the probe compression bonding apparatus.
7. according to the method described in claim 6, it is characterized in that, the probe compression bonding apparatus includes that X drives to drive shaft, Y-direction
Moving axis, Z-direction drive shaft and θ are to drive shaft.
8. the method according to the description of claim 7 is characterized in that described acquire according to next preset data of LCD to be measured
The location information of point drives probe compression bonding apparatus, comprising:
Displacement commands are generated according to the location information of next preset data collection point of LCD to be measured；The displacement commands include X
To displacement commands, Y-direction displacement commands and θ to displacement commands；
The X is driven to drive to drive shaft, Y-direction to displacement commands, Y-direction displacement commands and θ to displacement commands according to the X respectively
Moving axis and θ are to drive shaft.
9. according to the method described in claim 8, it is characterized in that, the institute according to probe tip to each data collection point
It states actual displacement and theoretical be displaced determines positioning accuracy compensated curve, comprising:
According to the actual displacement of probe tip to each data collection point and theoretical displacement, probe compression bonding apparatus is obtained to every
The placement error value of a data collection point；The placement error value includes X to error amount, Y-direction position error amount and θ to error
Value；
Respectively according to probe tip to the X of each data collection point to error amount and X to theory displacement, Y-direction error amount and Y
It is displaced to theory displacement and θ to error amount and θ to theory, fitting obtains X to drive shaft, Y-direction drive shaft and θ to drive shaft
Cubic spline interpolation compensated curve, with the cubic spline interpolation compensated curve for the positioning accuracy compensated curve.
10. according to the method described in claim 9, it is characterized in that, described according to positioning accuracy compensated curve, to the probe
Compression bonding apparatus carries out positioning accuracy compensation, comprising:
Cubic spline interpolation compensated curve according to the X to drive shaft, Y-direction drive shaft and from θ to drive shaft respectively, determine X to
Offset, Y-direction offset and θ are to offset；
The X is input in the program of driving probe compression bonding apparatus to offset, Y-direction offset and θ to offset, to mend
Repay the positioning accuracy of the probe compression bonding apparatus.
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| CN111220898A (en) * | 2020-02-17 | 2020-06-02 | 嘉兴学院 | Displacement compensation type flexible device biaxial tensile electrical property detection device and detection method |
| CN114356255A (en) * | 2021-12-31 | 2022-04-15 | 东莞市启思达智能技术有限公司 | Interpolation table application method and system based on printing process |
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