CN206311435U - A kind of flexible electronic stretch-proof and warp resistance performance testing device - Google Patents
A kind of flexible electronic stretch-proof and warp resistance performance testing device Download PDFInfo
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- CN206311435U CN206311435U CN201621461992.9U CN201621461992U CN206311435U CN 206311435 U CN206311435 U CN 206311435U CN 201621461992 U CN201621461992 U CN 201621461992U CN 206311435 U CN206311435 U CN 206311435U
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Abstract
The utility model belongs to flexible electronic test correlative technology field, and a kind of flexible electronic stretch-proof and warp resistance performance testing device are disclosed, it includes Liang Ge fixed central spindles unit and two snake core axle units, each fixed central spindle's unit plays fixed and stretching flexible electronic and the free degree with X-direction, and tension sensor can be housed；Each snake core axle unit can realize the bending to centering spindle's radius and the free degree with X, Y-direction, and pressure sensor and CCD camera can be housed.By the combination of four mandrel units of the present utility model, it is capable of achieving constant-tension, crooked pressure, test temperature, the complex-curved warp resistance test such as bending radius, rate of bending and the adjustable c-type of angle of bend, S types and G types, also can realize that tensile resistance is tested, efficiently solving existing apparatus can only carry out simple c-type test, the defect such as test condition non-quantitative causes test data inaccurate.
Description
Technical field
The utility model belongs to flexible electronic test correlative technology field, more particularly, to a kind of flexible electronic tension
Stretch and warp resistance performance testing device.
Background technology
Fatigue is flexible electronics under the alternate stress effect less than its bending strength limit, and burst fracture occurs
The form of failure, it has essential distinction with static(al) destruction, and correlative study shows, the part that there are about 50%-90% is destroyed and tired
The generation and development of labor crackle are inseparable.Flexible electronic with flexible printed circuit board as Typical Representative is dynamic due to possessing
The features such as bending, torsion, folding, obtained a wide range of applications in multiple fields at present, it is exactly that a tension and compression are rolled up that it uses process
The process recovered again of song, therefore its probability for being subject to alternate stress effects of strain and action time are much larger than by permanent load effect
Main failure forms in probability and time, therefore its use are flex fatigue failure flex fatigue destruction in other words, correspondingly,
During its manufacturing and use, it usually needs these Key Performance Indicators are tested.
So-called flexible electronic Fatigue reliability testing, mainly by repeating the forms such as curling, bending and folding, observation
Record sample cracks under pulsating stress and peeled off with circuit layer and the phenomenons such as fatigue fracture occur, and calculates assessment with this
The fatigue reliability index of flexible electronic, judges the fatigue behaviour of material, and have for designer, production firm etc. provide credibility
Effect data.The assay method of current already present flexible electric circuit board bending property based on the design such as IPC methods and MIT methods, its
Middle MIT methods mainly test the bending resistance of flexible electronic, and IPC methods mainly test the resistance to deflection of flexible electronic, and this kind of resistance to
Flexure system safety testing device and method of testing are c-type substantially to the bending shape of flexible electronic.
For example, CN200410053598.7 discloses a kind of warp resistance device for measuring properties for flexible electronic, the dress
Put and force snesor is fixed in the upper end of fexible film, lower end is fixed on the rotating disk center of circle, flexible electrical is realized by rotary turnplate
The fixed point c-type warp resistance test of son.However, further investigations have shown that, although the device can complete flexible electronic in constant load
With determine under elongation fixed point warp resistance and lax croop property measurement, but simple c-type test can only be carried out, cannot but expire
The foot such as complex-curved warp resistance performance test of S types, G types, and its test environment temperature is non-adjustable.Correspondingly, this area
The solution more perfect to this proposition is needed badly, to meet the higher quality and test request of flexible electronic.
Utility model content
For the disadvantages described above or Improvement requirement of prior art, the utility model provide a kind of flexible electronic stretch-proof with
Warp resistance performance testing device, wherein be made up of the unitary construction to the test device and be laid out redesign, accordingly
Can include stretch-proof is tested with high efficiency, in high precision to single flexible electronics, and c-type, S types and G types etc. are various multiple
Miscellaneous curved surface warp resistance in interior key performance test technology, thus can not only more comprehensively, the flexure of quantitative response flexible electronic
Life-span and tensile resistance, and it is also equipped with the advantages of operating convenient reliable, strong adaptability and integration degree high.
To achieve the above object, according to the utility model, there is provided a kind of flexible electronic stretch-proof can be surveyed with flex stiffiness
Trial assembly is put, and the device includes base plate and the first fixed central spindle's unit, second that are arranged in the plate upper surface same plane
Fixed central spindle's unit, the first snake core axle unit and the second snake core axle unit, wherein first fixed central spindle unit, second
The structure of fixed central spindle's unit is identical, they keep oppositely positioned at the base plate left and right sides and will be used as test object
The two ends of flexible electronic fixed, and can perform independently of one another along the relative motion of X-direction；First bending
Mandrel unit, the second snake core axle unit structure it is identical, they be located at the base plate middle part and each can be independent of one another
Ground is performed along the relative motion of X-direction and Y direction, and curved for driving the stage casing position of flexible electronic to give respectively
It is bent.
As it is further preferred that for first fixed central spindle unit or second fixed central spindle's unit, its is excellent
Choosing includes fixed central spindle's base, X to actuator, fixed core shaft member and tension sensor, and the wherein mandrel part is fixed on institute vertically
State on fixed central spindle's base, and together performed along the relative of X-direction from the X to actuator together with this fixed central spindle's base
Motion；The tension sensor is arranged on the inside of the fixed core shaft member, and for the opening in motion process to flexible electronic
Force data performs real-time detection.
As it is further preferred that for the first snake core axle unit or the second snake core axle unit, its is excellent
Choosing includes bending mandrel base, X to driver, Y-direction driver, snake core shaft member, pliable pressure sensor, CCD camera and CCD
Camera actuator, wherein the snake core shaft member are fixed on the bending mandrel base vertically, and together with this bending mandrel base
Together performed along the relative motion of X-axis and/or Y direction from the X to driver and/or Y-direction driver；The pliable pressure
Sensor is installed circumferentially at the surface of the snake core shaft member along it, and for being pressurized in motion process to flexible electronic
Force data performs real-time detection；Additionally, the CCD camera actuator is fixed on the bending mandrel base, and drive the CCD
Camera is moved along the direction axially parallel with the snake core shaft member, and then in the acquisition whole test process of flexible electronic
Faulted condition image.
As it is further preferred that the fixed core shaft member of first fixed central spindle unit or second fixed central spindle's unit,
And the snake core shaft member of the first snake core axle unit or the second snake core axle unit can independently replace with different-diameter
Specification, be achieved in the differently curved radius of flexible electronic warp resistance test.
As it is further preferred that first fixed central spindle unit, second fixed central spindle's unit, the first bending mandrel list
The movement velocity and movement travel of unit and the second snake core axle unit are preferably freely adjustable, are achieved in flexible electronic angle of bend
The control of degree and rate of bending.
As it is further preferred that the flexible electronic is preferably flexible printed circuit board.
In general, according to the contemplated above technical scheme of the utility model possess compared with prior art, mainly with
Under technological merit：
1st, design is re-started by the composition structure to whole test device and its layout setting, control can be only relied on
Four mutually coordinated routing motions of mandrel unit, it is possible to realize performing the complexity such as including c-type, S types, G types to flexible electronic
The warp resistance test and stretch-proof test of curved surface test pattern, while can also realize that other are complex-curved by combined core-axle unit
Warp resistance test；It is corresponding not only effectively to overcome the limitation that existing equipment is only capable of realizing c-type test, and unitary construction and
Test process more can objective reaction flexible electronic it is actually used in complicated flexure process, test data more comprehensively, it is reliable；
2nd, while all kinds of complex-curved warp resistance test process are conveniently carried out, moreover it is possible to by changing mandrel radius,
The operations such as adjustment mandrel stroke and movement velocity, accordingly realize that differently curved radius, rate of bending and angle of bend etc. are all kinds of anti-
Flexure test, meanwhile, the parameter such as system number of bends, test environment temperature can be configured according to demand, and system adapts to model
Enclose very wide, and significantly improve the efficiency and precision of test technology；Additionally, the flexure that the system can not only carry out various modes is surveyed
Examination, can also realize that stretch-proof is tested, and test the performance parameters such as elastic modelling quantity, tensile strength, the elongation of flexible electronic, more in many ways
The performance parameter of flexible electronic is reacted in face, and integration degree is high；
3rd, in warp resistance test process is carried out, flexible electronic tension value and pressure value can be set flexible electronic according to user
It is input into, and feedback is measured by tension sensor and pliable pressure sensor in real time and realize closed-loop control, it is ensured that warp resistance is tested
During tension value and crooked pressure value it is constant, whole test process quantitative test, it is ensured that the accuracy and reasonability of test,
Data accurate and effective.
Brief description of the drawings
Fig. 1 is the structure axonometric drawing according to integrated testability device of the invention；
Fig. 2 is the structure top view according to integrated testability device of the invention；
The exemplary whole flexible electronic stretch-prooves shown with above-mentioned test device of Fig. 3 and warp resistance test system
Composition frame chart；
Fig. 4 is the composition structural representation of the snake core axle unit according to one preferred embodiment of the utility model；
Fig. 5 is the composition structural representation of the fixed central spindle's unit according to another preferred embodiment of the utility model；
Fig. 6 is the exemplary schematic diagram for being shown as c-type flexibility loop test deformation process of the present utility model；
Fig. 7 is the exemplary schematic diagram for being shown as S types flexibility loop test deformation process of the present utility model；
Fig. 8 is the exemplary schematic diagram for being shown as G types flexibility loop test deformation process of the present utility model；
Fig. 9 is the exemplary schematic diagram for being shown as stretch-proof test process of the present utility model.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and implementation
Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only used to explain this
Utility model, is not used to limit the utility model.Additionally, involved in the utility model disclosed below each implementation method
As long as and to technical characteristic do not constitute each other conflict can just be mutually combined.
Fig. 1, Fig. 2 are respectively that, according to the axonometric drawing and top view of the test device constructed by the utility model, Fig. 3 also demonstrates
Property shows the composition schematic block diagram including the integrated testability system including the test device.As described in Fig. 1 to Fig. 3, the test
The integral arrangement of test device 2 of system 1 including base plate 25 and is arranged on the bottom an inside for constant-temperature enclosed environment
First fixed central spindle's unit 24, second fixed central spindle's unit 23 in the upper surface same plane of plate 25, the first snake core axle unit
22 and the second snake core axle unit 21, wherein first fixed central spindle's unit, the structure of second fixed central spindle's unit are identical, their positions
In base plate 25 left and right sides and the two ends of the flexible electronic as test object are fixed, and can perform independently of one another
Along the relative motion of X-direction；First snake core axle unit, the second snake core axle unit structure it is identical, they be located at bottom
The middle part of plate 25 and the respective relative motion that can perform independently of one another along X-direction and Y direction, and it is soft for driving
The stage casing position of property electronics is bent respectively.Additionally, first fixed central spindle unit 24,2 liang of second fixed central spindle's unit
Person is independently matched with to use and performs stretching to flexible electronic.
More specifically, test device 2 is set in sealable environment, intensification cooling element can be provided with the environment
414 and temperature sensor 417.During being tested, controlled in closed environment by temperature control modules 42
The environment temperature of test device 2, realizes the test under steady temperature.
As shown in exemplary in Fig. 2, test device 2 may include the first snake core axle unit 22, the second snake core axle unit
21st, first fixed central spindle's unit 24, second fixed central spindle's unit 23 and base plate 25 etc..Wherein, first fixed central spindle's unit 4
With second fixed central spindle's unit 23 for example installed in the left and right two ends of base plate 25, the fixation to flexible electronic 26 and tension force are capable of achieving
Determine；First snake core axle unit 22 and the second bending unit for example 21 be arranged on base plate 25 middle part position, be capable of achieving to soft
The bending of property electronics 26, piezometry and damage monitoring.In other words, it is specific as shown in figure 3, the He of first fixed central spindle's unit 24
Second fixed central spindle's unit 23 has the driving of X-direction, it is possible to achieve along the motion of X-direction；First bending mandrel list
The each driving with X-axis and Y direction of snake core axle unit 21 of unit 22 and second, it is possible to achieve the motion in plane.Four
Unit with free movement, can accordingly realize the warp resistance test of the flexible electronic of certain size scope；In this way, by control
The movement velocity of four mandrel units and movement travel, are capable of achieving the control to the angle of bend of flexible electronic 26 and rate of bending；
Moved back and forth by controlling four unit matchings, realize that the warp resistance of the test patterns such as the c-type to flexible electronic, S types and G types is surveyed
Examination, and realize testing the tensile resistance of flexible electronic by controlling the relative motion of Liang Ge fixed central spindles.
It is specific as shown in figure 4, by taking the first snake core axle unit as an example according to a preferred embodiment of the present utility model,
The concrete structure of the snake core axle unit is preferably designed to include snake core shaft member 221, pliable pressure sensor 222, curved
Bent mandrel base 223, X is to driver 224, CCD camera actuator 225, Y-direction actuator 226, CCD camera 227 etc..Wherein, it is curved
Bent mandrel part 221 is fixed on bending mandrel base 223 vertically, and circumference in snake core shaft member 1 posts pliable pressure
Sensor 222, the pressure sensor 222 is used to measure the pressure that flexible electronic is subject in test process；Snake core shaft member 221
It is preferred that the different mandrel of replaceable diameter dimension, is tested with the warp resistance for realizing the differently curved radius of flexible electronic.Additionally, CCD
Camera actuator 225 is fixed on bending mandrel base 223, and it can drive CCD camera 227 preferably along axially in parallel with mandrel
Direction is moved, and realizes the monitoring to state in flexible electronic test process.X can be installed to driver 224 and Y-direction driver 226
On bending mandrel base 25, snake core shaft member 221 can be driven to realize plane motion, actuating speed on bending mandrel base 25
It is adjustable with movement travel, the settable input of pressure value, to realize to flexible electronic rate of bending, angle of bend and crooked pressure value
Control.
It is specific as shown in figure 5, being with first fixed central spindle's unit 24 according to another preferred embodiment of the present utility model
Example, the concrete composition structure of fixed central spindle's unit be preferably designed to include tension sensor 241, fixed core shaft member 242,
Fixed central spindle's base 243, X is to actuator 244 etc..Wherein fixed core shaft member 242 is for example fixed on fixed central spindle's base 243 vertically
On, tension sensor 241 can be arranged on the inside of fixed core shaft member 242, the tension force for measuring flexible electronic, and in warp resistance
Ensure flexible electronic constant tension in test process, the value of thrust of flexible electronic is measured in stretch-proof test process.X is to driving
Part 244 can be arranged on fixed central spindle's base, and respective drive fixed core shaft member 242 is moved in the X-axis direction, to realize to a scale
The warp resistance test and tensile resistance test of flexible electronic in very little scope, actuating speed and movement travel are adjustable, tensile stress
The settable input of value, to realize the control to the rate of bending of flexible electronic 26, angle of bend and tension value.
In addition to according to above-mentioned test device of the present utility model, when actually used, whole test system is preferably also
Data acquisition module 3, control module 4 etc. are may be configured with, the automation mechanized operation of higher efficiency is achieved in.
Specifically, the data acquisition module 3 for example may include image acquisition device 31, converter 32 etc.；Control mould
Block 4 for example may include motor adjustment unit 41, temperature control unit 42 etc., and wherein motor adjustment unit 41 is specific can include again
Man-machine interface 411, counter 412, motion controller 413 etc., temperature control unit 42 specifically may include intensification cooling element
414th, man-machine interface 415, temperature controller 416 and temperature sensor 417 etc..Correspondingly, data acquisition module is used for described
First fixed central spindle's unit 24, second fixed central spindle's unit 23, the first snake core axle unit 22 and the second snake core axle unit 21
The test data for each being obtained is gathered, and the control module formation closed-loop control is transferred to after AD conversion；And institute
State control module and then accordingly realize the corresponding regulation and control to temperature and motion process.
Above-mentioned test device is illustrated below with reference to Fig. 6 to Fig. 9 carries out stretch-proof test to single flexible electronics
The process tested with the complex-curved warp resistance such as c-type, S types and G types.
As shown in fig. 6, said system is adapted for carrying out the warp resistance test of flexible electronic c-type curved surface, now only with three
Individual mandrel unit namely first fixed central spindle unit, second fixed central spindle's unit and the first, second bending mandrel
One in unit, its concrete processing procedure is as follows：First, by three selected mandrel unit motions to same straight line, and
So that snake core axle unit is in the center side of flexible electronic；Then, the snake core axle unit is driven to be transported along Y direction
Dynamic, Liang Ge fixed central spindles are achieved in c-type bending then along the opposite routing motion of X-direction.
As shown in Figure 7, said system preferably applies also for performing the warp resistance test of flexible electronic S type curved surfaces, now
Using four mandrel units namely first fixed central spindle unit, second fixed central spindle's unit and the first bending mandrel
Unit, the second snake core axle unit, its concrete processing procedure are as follows：First, by four mandrel unit motions to same straight line,
And cause two both sides of snake core axle units separation flexible electronic；Then, two snake core axle units are driven along Y direction phase
To motion, and Liang Ge fixed central spindles unit is achieved in the bending of S types then along the opposite routing motion of X-direction.
As shown in Figure 8, said system preferably applies also for performing the warp resistance test of flexible electronic G type curved surfaces, now
Using four mandrel units namely first fixed central spindle unit, second fixed central spindle's unit and the first bending mandrel
Unit, the second snake core axle unit, its concrete processing procedure are as follows：First, by four mandrel unit motions to same straight line,
And cause two homonymies of snake core Axle mould units separation flexible electronic；Then, two snake core axle units are driven along Y direction
Motion in the same direction, and Liang Ge fixed central spindles unit is along the opposite routing motion of X-direction；Finally, when the first snake core axle unit is arrived
Up to after specified location, first fixed central spindle's unit and the first snake core axle unit are remained stationary, and the second bending mandrel list
Unit is along Y direction counter motion, while second fixed central spindle's unit continues to be moved along former direction, until realizing that G types bend.
As shown in Figure 9, said system preferably applies also for performing the test of flexible electronic tensile resistance, now using three
Individual mandrel unit namely first fixed central spindle unit, second fixed central spindle's unit and the first snake core axle unit,
One in second snake core axle unit, its concrete processing procedure is as follows：First, flexible electronic two ends are separately mounted to two
On fixed central spindle's unit；Then, the two fixed central spindle's units are driven to be realized to flexible electronic along the relative motion of X-direction
Loading, and by the tension value of tension sensor real-time testing flexible electronic, while by installed in the snake core axle unit
On CCD camera real-time monitoring flexible electronic faulted condition image.
To sum up, four mutually coordinated cooperations of mandrel unit of control can be only relied on according to test device of the present utility model
Motion, just can in high precision, expeditiously realize performing the complex-curved test pattern such as including c-type, S types, G types to flexible electronic
Warp resistance is tested and stretch-proof test, while can also realize other complex-curved warp resistance tests by combined core-axle unit；
The corresponding existing equipment that not only effectively overcomes is only capable of realizing the limitation that c-type is tested, and unitary construction and test process more can
Complicated flexure process during objective reaction flexible electronic is actually used, test data more comprehensively, reliably, is therefore particularly suitable for soft
The performance test application scenario of the class component of property printed circuit board (PCB).
As it will be easily appreciated by one skilled in the art that preferred embodiment of the present utility model is the foregoing is only, not
It is used to limit the utility model, all any modifications made within spirit of the present utility model and principle, equivalent and changes
Enter, should be included within protection domain of the present utility model.
Claims (5)
1. a kind of flexible electronic stretch-proof and warp resistance performance testing device, the device include base plate (25) and are arranged on this
First fixed central spindle's unit (24), second fixed central spindle's unit (23), the first bending in the same plane of base plate (25) upper surface
Mandrel unit (22) and the second snake core axle unit (21), wherein first fixed central spindle unit, second fixed central spindle's unit
Structure it is identical, they keep oppositely positioned at the base plate (25) left and right sides and using as the flexible electrical of test object
The two ends of son are fixed, and can perform independently of one another along the relative motion of X-direction；The first bending mandrel list
Unit, the second snake core axle unit structure it is identical, they be located at the base plate (25) middle part and each can be independently of one another
Perform along the relative motion of X-direction and Y direction, and for driving the stage casing position of flexible electronic to be bent respectively.
2. a kind of flexible electronic stretch-proof as claimed in claim 1 and warp resistance performance testing device, it is characterised in that for
For first fixed central spindle unit (24) or second fixed central spindle's unit (23), it includes fixed central spindle's base (243), X
To actuator (244), fixed core shaft member (242) and tension sensor (241), the wherein mandrel part (242) is fixed on institute vertically
State on fixed central spindle's base (243), and together performed along X-direction from the X to actuator together with this fixed central spindle's base
Relative motion；The tension sensor (241) installed in the inside of the fixed core shaft member, and for flexible electronic motion
During tension data perform real-time detection.
3. a kind of flexible electronic stretch-proof as claimed in claim 1 or 2 and warp resistance performance testing device, it is characterised in that
For the first snake core axle unit (22) or the second snake core axle unit (21), it includes bending mandrel base
(223), X is to driver (224), Y-direction driver (226), snake core shaft member (221), pliable pressure sensor (222), CCD phases
Machine (227) and CCD camera actuator (225), wherein the snake core shaft member (221) are fixed on the bending mandrel base vertically
(223) on, and together performed to driver and/or Y-direction driver along X-axis from the X together with this bending mandrel base and/or
The relative motion of Y direction；The pliable pressure sensor (222) is installed circumferentially at the surface of the snake core shaft member along it, and
Real-time detection is performed for the pressure data to flexible electronic in motion process；Additionally, the CCD camera actuator
(225) be fixed on bending mandrel base (223), and drive the CCD camera (227) along with the snake core shaft member
(221) axially parallel direction motion, and then obtain the faulted condition image in the whole test process of flexible electronic.
4. a kind of flexible electronic stretch-proof as claimed in claim 1 or 2 and warp resistance performance testing device, it is characterised in that
First fixed central spindle unit (24) or the fixed core shaft member of second fixed central spindle's unit (23), and first snake core
The snake core shaft member of axle unit (22) or the second snake core axle unit (21) can independently replace with the specification of different-diameter, thus
Realize the warp resistance test of the differently curved radius of flexible electronic.
5. a kind of flexible electronic stretch-proof as claimed in claim 4 and warp resistance performance testing device, it is characterised in that described
First fixed central spindle's unit (24), second fixed central spindle's unit (23), the first snake core axle unit (22) and the second bending mandrel
The movement velocity of unit (21) and movement travel are freely adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621461992.9U CN206311435U (en) | 2016-12-28 | 2016-12-28 | A kind of flexible electronic stretch-proof and warp resistance performance testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621461992.9U CN206311435U (en) | 2016-12-28 | 2016-12-28 | A kind of flexible electronic stretch-proof and warp resistance performance testing device |
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| CN206311435U true CN206311435U (en) | 2017-07-07 |
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ID=59248691
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| CN201621461992.9U Expired - Fee Related CN206311435U (en) | 2016-12-28 | 2016-12-28 | A kind of flexible electronic stretch-proof and warp resistance performance testing device |
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| CN108225938A (en) * | 2018-01-31 | 2018-06-29 | 北京京东方显示技术有限公司 | A kind of bending test apparatus and bending test method |
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| WO2022003848A1 (en) * | 2020-07-01 | 2022-01-06 | 株式会社島津製作所 | Inspection method, inspection system, and stress luminescence measurement device |
| CN111721643A (en) * | 2020-07-03 | 2020-09-29 | 浙商检测集团有限公司 | Low-temperature flexible detector for waterproof coiled material |
| CN114486586A (en) * | 2022-02-16 | 2022-05-13 | 深圳市建宏达照明电路有限公司 | Flexible substrate durability detection device |
| CN114486586B (en) * | 2022-02-16 | 2022-12-30 | 深圳市建宏达照明电路有限公司 | Flexible substrate durability detection device |
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