CN105353296B - Using the flying probe tester of planar motor - Google Patents
Using the flying probe tester of planar motor Download PDFInfo
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- CN105353296B CN105353296B CN201510934240.3A CN201510934240A CN105353296B CN 105353296 B CN105353296 B CN 105353296B CN 201510934240 A CN201510934240 A CN 201510934240A CN 105353296 B CN105353296 B CN 105353296B
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- probe
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- collets
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- planar motor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2818—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP] using test structures on, or modifications of, the card under test, made for the purpose of testing, e.g. additional components or connectors
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tests Of Electronic Circuits (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The present invention is specially a kind of flying probe tester using planar motor, solves the problems, such as that existing flying probe tester can not meet measuring accuracy due to unreasonable structure presence.Planar motor stator is provided with rack, shorting pin loaded device, circuit board positioning fixture and hoistable platform, fixed probe is provided with hoistable platform, shorting pin loaded device includes mover body, stent is provided with mover body, the both sides of stent are fixed with linear motor and driving belt, collets are provided with driving belt, collets lower end is provided with probe assembly, probe assembly includes sleeve, probe is installed with sleeve, the afterbody of probe is cased with the buffer spring contacted with collets, probe is made of probe bodies and probe sleeve, and probe buffer spring is provided between probe sleeve and probe bodies.The present invention realizes the requirement of special angle loading, resilient contact circuit plate, PLC technology on-load pressure, good electric conductivity and pressure-resistant insulation by using planar motor.
Description
Technical field
The present invention relates to circuit board testing device, is specially a kind of flying probe tester using planar motor.
Background technology
Flying probe tester is that installation by the motor-driven probe that independently can quickly move, utilizes spy on X axis and Y axis
Pin is contacted in the controllable movement of Z direction of principal axis and the solder joint of PCB plates, and the equipment for carrying out electric measurement.Since flying needle is surveyed
The functional requirement of test-run a machine, the both ends of its Y axis are generally respectively erected on two X axis, its span is bigger, by two X axis
Motor driving(Double drives)Or driven by the motor of single X axis(It is single to drive).In order to improve testing efficiency, flying probe tester one
As have multiple probes, X-Y axis also increases therewith.The number of axle of exactly flying probe tester is more, and Y axis uses double costs driven very
Height, along with the limitation of installation space, multiple Y axis generally require shared X axis(Multiple Y axis are installed on an X axis),
Y-axis is subject to very big restriction using double feasibilities driven.
Less and less with the line width and line-spacing of PCB plates, the kinematic accuracy requirement to flying probe tester is higher and higher, and
The displacement location in the X/Y directions in traditional flying probe tester is to realize that such mechanism is universal by turbine-leading screw combined mechanism
There is system complex, the speed of service is low, positioning accuracy is low, poor reliability, it is easy to wear the problems such as, cannot increasingly meet will
Ask.
The content of the invention
The present invention in order to solve the problems, such as existing flying probe tester since unreasonable structure presence can not meet measuring accuracy,
Provide a kind of flying probe tester using planar motor.
The present invention adopts the following technical scheme that realization:Using the flying probe tester of planar motor, including rack, rack
Inside it is provided with the planar motor stator being distributed up and down, shorting pin loaded device, circuit board positioning fixture and hoistable platform, hoistable platform
On be provided with the fixation probe contacted with circuit board lower surface, shorting pin loaded device includes sliding on planar motor stator surface
Mover body, mover body surface are provided with mover bottom plate, and the stent being obliquely installed, the side of stent are fixed with mover bottom plate
Linear motor is fixed with, the opposite side of stent is provided with the output axis connection of driving wheel and driven wheel, driving wheel and linear motor,
And driving belt is provided between driving wheel and driven wheel, sliding block is provided with driving belt, collets are provided with sliding block, absolutely
Edge block lower end is provided with probe assembly, and probe assembly includes the sleeve being plugged in collets, probe is installed with sleeve, probe
There is the ladder locating piece contacted with sleeve lining on afterbody top, and the afterbody of ladder locating piece is cased with the buffering elastic contacted with collets
Spring, probe on it and the probe sleeve that seals of afterbody forms, and in probe sleeve are provided with steel by probe bodies and set
Ball, is provided with probe buffer spring between steel ball and probe bodies afterbody, probe bodies and probe side wall are both provided with anti-dropout
Boss.
The flying probe tester is coordinated by planar motor and linear motor, realizes the plane of shorting pin loaded device and vertical fortune
It is dynamic, and can be worked by designing double buffer spring in different elastic force sections, the loading depth of linear motor can compared with
Realize the adjusting to shorting pin loaded pressure in a wide range of, while stent is obliquely installed, and meets the higher component on circuit board
Periphery test point blind area it is minimum, two probe spacings are minimum and test in shorting pin loaded act deformation to circuit board
Minimum requirement, and then ensure test point loading accuracy index, existing flying probe tester is overcome since unreasonable structure exists
The problem of can not meeting measuring accuracy.
Circuit board positioning fixture includes sliding back and forth in equal on the U-shaped bottom plate in rack, three faces of U-shaped bottom plate lower face
Slide is fixed with, and insulation strip is respectively and fixedly provided with the trailing flank and trailing flank of the upper surface of U-shaped bottom plate, U-shaped bottom plate or so is sliding
Be provided between rail slide with transverse slat thereon, be fixed with cross bar on transverse slat, be fixed with insulation strip I on cross bar, and cross bar
Right end is provided with the elbow folder being pressed on U-shaped bottom plate, and the sliding block slided on slide is provided with the slide of U-shaped floor rear,
Insulation fixture block is fixed with sliding block, and the lower end of sliding block is provided with the elbow folder I being pressed on U-shaped bottom plate, insulation strip, edge insulator
Board in circuit board slot is both provided with the inside of bar I and insulation fixture block.
During the positioning fixture operation, slide U-shaped bottom plate and stretch out engine base, then circuit board is inserted in the circuit board of insulation strip
In slot, then slip insulation fixture block is plugged on circuit board clamping fixed by elbow, is then slided insulation strip I and is plugged on circuit
It is clamping fixed by elbow on plate, finally U-shaped bottom plate is stretched into engine base and is fixed with engine base, realizes determining for circuit board easily and fast
Position, and ensure that positioning accuracy.
The present invention is reasonable in design reliable, and high-precision probe servo-positioning is realized by using planar motor, full
The special angle loading of foot test system probe, resilient contact circuit plate, PLC technology on-load pressure, good electric conductivity
With the requirement of pressure-resistant insulation, can be realized in adjusting of the interior realization to shorting pin loaded pressure in a big way to various pcb boards
Fast positioning, while ensure that the index of test point loading accuracy, has that simple in structure, test speed is high, working stability, reliable
Property high, long lifespan the advantages of.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention;
Fig. 2 is the structure diagram of Fig. 1 middle probe loading devices;
Fig. 3 is the structure diagram of Fig. 2 middle probe components;
Fig. 4 is the structure diagram of circuit board positioning fixture in Fig. 1;
Fig. 5 is the schematic top plan view of Fig. 4.
In figure:1- racks, 2- planar motor stators, 3- shorting pin loaded devices, 4- circuit board positioning fixtures, 5- liftings are flat
Platform, 6- fixation probes, 7- mover bodies, 8- mover bottom plates, 9- stents, 10- linear motors, 11- driving wheels, 12- driven wheels,
13- driving belts, 14- sliding blocks, 15- collets, 16- probe assemblies, 17- sleeves, 18- probes, 19- ladder locating pieces, 20- delay
Rush spring, 21- probe bodies, 22- probe sleeves, 23- steel balls, 24- probe buffer springs, 25- anti-dropout boss, 26-U types bottom
Plate, 27- slides, 28- insulation strips, 29- transverse slats, 30- cross bars, 31- insulation strip I, 32- elbow folders, 33- sliding blocks, 34- edge insulators
Block, 35- elbows folder I.
Embodiment
The planar motor being distributed up and down is provided with using the flying probe tester of planar motor, including rack 1, in rack 1 to determine
Son 2, shorting pin loaded device 3, circuit board positioning fixture 4 and hoistable platform 5, are provided with and circuit board lower surface on hoistable platform 5
The fixation probe 6 of contact, shorting pin loaded device 3 include the mover body 7 for sliding on 2 surface of planar motor stator, mover body 7
Surface is provided with mover bottom plate 8, and the stent 9 being obliquely installed is fixed with mover bottom plate 8, and the side of stent 9 is fixed with straight-line electric
Machine 10, the opposite side of stent 9 are provided with the output axis connection of driving wheel 11 and driven wheel 12, driving wheel 11 and linear motor 10,
And driving belt 13 is provided between driving wheel 11 and driven wheel 12, sliding block 14 is provided with driving belt 13, is set on sliding block 14
Collets 15 are equipped with, 15 lower end of collets is provided with probe assembly 16, and probe assembly 16 includes the set being plugged in collets 15
Cylinder 17, is installed with probe 18 in sleeve 17, there is the ladder locating piece 19 contacted with 17 inner wall of sleeve on the afterbody top of probe 18, and ladder is fixed
The afterbody of position block 19 is cased with the buffer spring 20 contact with collets 15, and probe 18 is by probe bodies 21 and covers on it and tail
What the probe sleeve 22 of portion's sealing formed, and steel ball 23 is provided with probe sleeve 22, steel ball 23 and 21 afterbody of probe bodies it
Between be provided with probe buffer spring 24, probe bodies 21 and 18 side wall of probe are both provided with anti-dropout boss 25.
Circuit board positioning fixture 4 includes sliding back and forth in the U-shaped bottom plate 26 in rack 1, three of 26 lower face of U-shaped bottom plate
Slide 27 is respectively and fixedly provided with face, and insulation strip 28, U is respectively and fixedly provided with the trailing flank and trailing flank of the upper surface of U-shaped bottom plate 26
Be provided between 26 or so slide 27 of type bottom plate slide with transverse slat 29 thereon, cross bar 30 is fixed with transverse slat 29, on cross bar 30
Insulation strip I31 is fixed with, and the right end of cross bar 30 is provided with the elbow folder 32 being pressed on U-shaped bottom plate 26, the rear side of U-shaped bottom plate 26
Slide 27 on be provided with the sliding block 33 slided on slide 27, insulation fixture block 34 is fixed with sliding block 33, and under sliding block 33
End is provided with the elbow folder I35 being pressed on U-shaped bottom plate 26, and the inner side of insulation strip 28, insulation strip I31 and the fixture block 34 that insulate is equal
It is provided with board in circuit board slot.
Claims (1)
- A kind of 1. flying probe tester using planar motor, it is characterised in that:Including rack(1), rack(1)Inside it is provided with up and down The planar motor stator of distribution(2), shorting pin loaded device(3), circuit board positioning fixture(4)And hoistable platform(5), hoistable platform (5)On be provided with the fixation probe contacted with circuit board lower surface(6), shorting pin loaded device(3)Including sliding on planar motor Stator(2)The mover body on surface(7), mover body(7)Surface is provided with mover bottom plate(8), mover bottom plate(8)On be fixed with The stent being obliquely installed(9), stent(9)Side be fixed with linear motor(10), stent(9)Opposite side be provided with driving wheel (11)And driven wheel(12), driving wheel(11)With linear motor(10)Output axis connection, and driving wheel(11)With driven wheel (12)Between be provided with driving belt(13), driving belt(13)On be provided with sliding block(14), sliding block(14)On be provided with insulation Block(15), collets(15)Lower end is provided with probe assembly(16), probe assembly(16)Including being plugged on collets(15)Interior Sleeve(17), sleeve(17)Inside it is installed with probe(18), probe(18)Afterbody top have and sleeve(17)The ladder of inner wall contact is determined Position block(19), ladder locating piece(19)Afterbody be cased with and collets(15)The buffer spring of contact(20), probe(18)Be by Probe bodies(21)With set on it and afterbody sealing probe sleeve(22)Composition, and probe sleeve(22)Inside it is provided with steel Ball(23), steel ball(23)With probe bodies(21)Probe buffer spring is provided between afterbody(24), probe bodies(21)And spy Pin(18)Side wall is both provided with anti-dropout boss(25);Circuit board positioning fixture(4)Including sliding back and forth in rack(1)Interior U type bottom plates(26), U type bottom plates(26)Lower face Three faces on be respectively and fixedly provided with slide(27), and U type bottom plates(26)Upper surface trailing flank and left surface on be respectively and fixedly provided with absolutely Edge strip(28), U type bottom plates(26)Left and right slide(27)Between be provided with and slide transverse slat thereon(29), transverse slat(29)On It is fixed with cross bar(30), cross bar(30)On be fixed with insulation strip I(31), and cross bar(30)Right end be provided with and be pressed on U types Bottom plate(26)On elbow folder(32), U type bottom plates(26)The slide of rear side(27)On be provided with and slide on slide(27)On sliding block (33), sliding block(33)On be fixed with insulation fixture block(34), and sliding block(33)Lower end be provided with and be pressed on U type bottom plates(26)On Elbow folder I(35), insulate strip(28), insulation strip I(31)With insulation fixture block(34)Inner side be both provided with board in circuit board slot.
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CN201510934240.3A CN105353296B (en) | 2015-12-15 | 2015-12-15 | Using the flying probe tester of planar motor |
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CN201510934240.3A CN105353296B (en) | 2015-12-15 | 2015-12-15 | Using the flying probe tester of planar motor |
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CN105353296A CN105353296A (en) | 2016-02-24 |
CN105353296B true CN105353296B (en) | 2018-04-24 |
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CN106569088A (en) * | 2016-09-13 | 2017-04-19 | 北京映翰通网络技术股份有限公司 | Power distribution network line fault indication and positioning device |
CN106643859B (en) * | 2016-12-27 | 2018-12-14 | 歌尔股份有限公司 | PIN point communication check device |
CN108303620A (en) * | 2017-01-12 | 2018-07-20 | 南京新涛智宇机器人有限公司 | A kind of electric tool detection work station |
CN107643496B (en) * | 2017-10-30 | 2023-10-20 | 重庆大及电子科技有限公司 | Power module testing device |
CN108051731B (en) * | 2017-12-29 | 2024-06-04 | 苏州润弘安创自动化科技有限公司 | High-precision contact type auxiliary test fixture and working method thereof |
CN112595963A (en) * | 2021-01-08 | 2021-04-02 | 深圳市丹宇电子有限公司 | Multilayer circuit board electrical property testing arrangement |
CN113075510B (en) * | 2021-03-30 | 2023-02-28 | 若宇汽车装备工业(昆山)有限公司 | Water-cooling plate voltage-resistant insulation testing device |
CN114839516B (en) * | 2022-07-06 | 2022-10-28 | 中北大学 | Table type flying probe testing machine |
CN115032526B (en) * | 2022-08-12 | 2022-12-06 | 歌尔股份有限公司 | Circuit board test equipment |
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CN105067990A (en) * | 2015-07-24 | 2015-11-18 | 大族激光科技产业集团股份有限公司 | Design method of horizontal flying probe test machine |
CN204832273U (en) * | 2015-08-26 | 2015-12-02 | 钟晓华 | Test probes |
CN205210264U (en) * | 2015-12-15 | 2016-05-04 | 中北大学 | That adopts plane motor flies needle test machine |
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DE10320381B4 (en) * | 2003-05-06 | 2010-11-04 | Scorpion Technologies Ag | Platinum tester with obliquely driven contacting needles |
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2015
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Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2508859B2 (en) * | 1975-02-28 | 1977-03-24 | Siemens AG, 1000 Berlin und 8000 München | SPRING CONTACT FOR A TEST ADAPTER |
CN200944120Y (en) * | 2006-09-05 | 2007-09-05 | 杭州高特电子设备有限公司 | Coaxial multiple measuring points test rod |
CN203688585U (en) * | 2013-06-28 | 2014-07-02 | 深圳市迈创力科技有限公司 | Base structure for flying probe tester |
CN203759201U (en) * | 2014-03-10 | 2014-08-06 | 深圳市大族激光科技股份有限公司 | Flying probe testing machine and flying probe testing shaft thereof |
CN204116584U (en) * | 2014-10-14 | 2015-01-21 | 深圳市大族激光科技股份有限公司 | A kind of flying probe tester gauge head performance testing device |
CN105067990A (en) * | 2015-07-24 | 2015-11-18 | 大族激光科技产业集团股份有限公司 | Design method of horizontal flying probe test machine |
CN204832273U (en) * | 2015-08-26 | 2015-12-02 | 钟晓华 | Test probes |
CN205210264U (en) * | 2015-12-15 | 2016-05-04 | 中北大学 | That adopts plane motor flies needle test machine |
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