CN104777417A - Modular PCB testing jig - Google Patents
Modular PCB testing jig Download PDFInfo
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- CN104777417A CN104777417A CN201510223231.3A CN201510223231A CN104777417A CN 104777417 A CN104777417 A CN 104777417A CN 201510223231 A CN201510223231 A CN 201510223231A CN 104777417 A CN104777417 A CN 104777417A
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- plate
- test
- support plate
- pcb board
- needle plate
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- 238000012360 testing method Methods 0.000 title claims abstract description 101
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000011889 copper foil Substances 0.000 claims abstract description 17
- 239000000523 sample Substances 0.000 claims description 34
- 238000005259 measurement Methods 0.000 claims description 24
- 229920001821 foam rubber Polymers 0.000 claims description 19
- 230000000694 effects Effects 0.000 claims description 9
- 230000000977 initiatory effect Effects 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000000605 extraction Methods 0.000 abstract 1
- 125000006850 spacer group Chemical group 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 4
- 229910000679 solder Inorganic materials 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention relates to a modular PCB testing jig. The modular PCB testing jig comprises a testing module, a pin plate module, a supporting plate module and a covering plate module. The testing module comprises a testing platform, a support, a counter, a control board and a testing instrument. The pin plate module comprises a base, a pin plate, a sponge pad and a lower surrounding frame, wherein detection pins, spacers and springs are arranged on the pin plate, the base plate is provided with an air exhaust hole communicated with a vacuum extraction assembly, and the lower surrounding frame and the pin plate form a first containing cavity. The supporting plate module comprises a supporting plate, a sponge pad, a counter contact, an upper surrounding frame assembly, wherein the supporting plate is arranged in the first containing cavity, the upper surrounding frame assembly and the supporting plate define a second containing cavity for containing a PCB, and the supporting plate is provided with pin holes. The upper end faces of the pin plate and the supporting plate are both provided with a layer of copper foil. The covering plate module comprises an air cylinder and a cover plate fixed to a piston rod of the air cylinder, and pressing rods and a counter contact touch pin are arranged at the lower end of the cover plate. The modular PCB testing jig is compact in structure, convenient to maintain, accurate in test, high in automatic degree and capable of meeting the demand for large-scale test.
Description
Technical field
The present invention relates to a kind of pcb board measurement jig, especially a kind of modular pcb board measurement jig.
Background technology
Pcb board is important electronic unit, is the carrier of electronic devices and components.The pcb board produced before being taken into use, first need carry out the detection of function and performance.Pcb board measurement jig tests the electrical property of the components and parts on pcb board and electrical connection, thus check out manufacturing defect and the bad a kind of testing apparatus of components and parts.Existing pcb board measurement jig, structure is comparatively complicated, Operation and maintenance are more difficult, test process is long, production efficiency is low, can not meet the demand of large scale test.
Summary of the invention
In order to solve the problem, the invention provides a kind of modular pcb board measurement jig, functions be clear and definite, compact conformation.Safeguard simple, easy to operate, test accurately, automaticity is high, can meet the demand of large scale test.
For achieving the above object, concrete scheme of the present invention is:
A kind of modular pcb board measurement jig, comprise test module, needle plate module, carrier plate module and cover plate module, test module comprises test board, be fixed on the support on test board, be positioned at the counter on test board, be arranged at the control desk on test board, be arranged at the tester on test board, tester is electrically connected with control desk, vacuum suction assembly is provided with in test board inside, needle plate module comprises the base be positioned on test board, be fixed on the needle plate on base, be arranged at the foam-rubber cushion of needle plate upper surface surrounding, be arranged at the lower enclosure frame of needle plate and foam-rubber cushion four peripheral end portion, needle plate is provided with multiple vertical probe, probe is connected with tester by cable, multiple pad is provided with in the upper surface of needle plate, spring is provided with in the upper surface of needle plate, base is provided with through base and needle plate, the vertical aspirating hole of foam-rubber cushion, aspirating hole communicates with vacuum suction assembly, lower enclosure frame and needle plate form container cavity one, carrier plate module comprises the support plate being placed in container cavity one, be arranged at the foam-rubber cushion of support plate upper end, be arranged at the counter contact be electrically connected with counter on support plate, be arranged at the upper enclosure frame assembly on support plate, upper enclosure frame assembly and support plate surround the container cavity two that can hold pcb board, support plate is provided with the probe aperture of passing for probe, one deck Copper Foil is respectively equipped with in the upper surface of needle plate and support plate, the Copper Foil of needle plate upper surface is between pad and needle plate, the Copper Foil of support plate upper surface is between the foam-rubber cushion and support plate of support plate upper end, cover plate module comprises the cylinder be fixed on support, be fixed on the cover plate of the piston rod of cylinder, pressure bar is provided with and pin is touched in the counter contact corresponding with counter contact in the lower end of cover plate, the two ends of cover plate are connected to guide pillar, guide pillar coordinates with support activity.Here spring, foam-rubber cushion, pad are housed on needle plate, when the downward absorption carrier plate module of the vacuum suction assembly in test board, can prevent support plate and needle plate from colliding, foam-rubber cushion also plays the effect of sealing simultaneously; Needle plate is provided with multiple vertical probe and is provided with multiple pad in the upper surface of needle plate, " multiple " wherein refer to two or more; Here the Copper Foil arranged respectively in the upper surface of needle plate and support plate plays the effect of electromagnetic screen, thus eliminates the impact of interference electromagnetic wave on electronic component and equipment, improves the accuracy of test; Utilize cylinder to control the lifting of cover plate module, improve work efficiency, and by air cylinder driven cover plate module, pcb board is compressed, not only easy to operate, and ensure that pcb board can not be moved, thus ensure that the reliability of test result when testing; Carrier plate module absorption can be declined or release rising by vacuum suction assembly.
Control desk is provided with test by pilot lamp, test not by pilot lamp, power-off button, power initiation button, cylinder decline button, cylinder raise button, tester respectively with test by pilot lamp, test and be not electrically connected by pilot lamp, power-off button, power initiation button.
Needle plate is provided with the vertical register pin running through support plate.By being arranged on the register pin on needle plate, can being positioned at by carrier plate module easily and being positioned on support plate in needle plate module and by pcb board, pcb board takes out or placement replacing is convenient, efficiency is high.
Support plate is provided with hinge and latch.
Lower enclosure frame is provided with handle symmetrically.Here the handle arranged on lower enclosure frame, can shift out needle plate template and carrier plate module like a cork from test board.
The thickness of Copper Foil is 0.1mm.
Upper enclosure frame assembly is provided with handle.In order to fix and safeguard carrier plate module, support plate is provided with hinge and latch.By hinge and latch, can carrier plate module be fixed on support plate, pull-out latch, by handle and hinge, can carrier plate module be opened, easily change support plate upper end foam-rubber cushion, remove pcb board remain under scolding tin slag etc.
Support plate is also provided with Power conversion board, ox horn adapter, ox horn adapter socket.
For the ease of tester's observation test situation intuitively, cover plate adopts acrylic board.
The modular pcb board measurement jig of the present invention is made up of test module, needle plate module, carrier plate module and cover plate module.Measurement jig is placed on the test board in test module, and test board inside is provided with vacuum suction assembly, and the base in needle plate module has aspirating hole, is connected, needle plate is equipped with probe with vacuum suction assembly.Carrier plate module loads pcb board, and support plate is provided with the probe aperture can wearing probe, and the probe on needle plate stretches out the contact to be measured on support plate and pcb board.Between needle plate and support plate, spring is housed, after suction pneumatic module of taking seriously is fixing by downward for support plate absorption, air cylinder driven cover plate module declines, the pressure bar installed on the cover board is utilized to be compressed by pcb board, make the solder joint to be measured on pcb board and probes touch, each probe conducting on pcb board each several part circuit and needle plate, probe is connected by cable and the tester that is connected with test board, and electric signal is passed to tester.Needle plate, support plate are all coated with one deck Copper Foil, play the effect of electromagnetic screen.The counter contact be arranged on support plate is electrically connected with counter, and counter contact is often touched once, counter with regard to counting once so that grasp probe testing time and test pcb board quantity.After test completes, cover plate module rises under the driving of cylinder, and vacuum suction assembly release carrier plate module, carrier plate module rises, and takes out the pcb board tested, puts into next pcb board to be measured.If pcb board detects fault, can must to be out of order exactly components and parts by tester, to keep in repair.
The present invention owing to have employed modular structure, such that functions is clear and definite, compact conformation.Four modules can independently be safeguarded, and do not affect other modules; When individual module breaks down, can remove separately and keep in repair; During the PCB of test different types, only need change the position of pressure bar on size needle plate and support plate filling probe aperture and position, cover plate, other parts do not need to change.So measurement jig maintenance is simple, easy to operate, test is accurate, automaticity is high, the demand of large scale test can be met.Owing to adopting cylinder to be compressed by pcb board, not only easy to operate, and ensure that pcb board can not be moved, thus ensure that the reliability of test result when testing.Needle plate, support plate are all coated with one deck Copper Foil, play the effect of electromagnetic screen, thus eliminate interference electromagnetic wave to the impact of electronic component and equipment, improve the accuracy of test.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the partial enlargement structural representation of A in Fig. 1.
Fig. 3 is the structural representation of carrier plate module and needle plate module assembly.
Fig. 4 is the structural representation that lower enclosure frame and needle plate assemble.
In figure: needle plate 1, lower enclosure frame 2, foam-rubber cushion 3, Copper Foil 4, pad 5, handle 6, hinge 7, counter contact 8, register pin 9, cover plate 10, support 11, pin 12 is touched in counter contact, screw 13, cylinder 14, installing plate 15, pressure bar 16, guide pillar 17, backing plate 18, control desk 19, upper enclosure frame assembly 20, handle 20-1, vacuum suction assembly 21, aspirating hole 22, latch 23, support plate 24, probe aperture 24-1, tester 25, base 26, power-off button 27, power initiation button 28, cylinder decline button 29, cylinder raise button 30, pcb board 31, spring 32, test is not by pilot lamp 33, test is by pilot lamp 34, probe 35, counter 36, test board 37, Power conversion board 38, ox horn adapter 39, ox horn adapter socket 40, container cavity 1, container cavity 2 42.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
Embodiment, see accompanying drawing 1 ~ accompanying drawing 4, a kind of modular pcb board measurement jig, comprises the test module, needle plate module, carrier plate module and the cover plate module that set gradually from bottom to top.
Test module comprises test board 37, the support 11 be fixed on test board 37, the counter 36 be positioned on test board, the control desk 19 be arranged on test board 37, the tester 25 be arranged on test board 37.Tester 25 is electrically connected with control desk 19, and test board 37 inside is equipped with vacuum suction assembly 21.Control desk 19 is provided with test by pilot lamp 34, test not by pilot lamp 33, power-off button 27, power initiation button 28, cylinder decline button 29, cylinder raise button 30, tester 25 respectively with test by pilot lamp 34, test and be not electrically connected by pilot lamp 33, power-off button 27, power initiation button 28.Test does not select two kinds of different colours by pilot lamp 33 by pilot lamp 34, test, and representative test is not by passing through these two kinds of test results with test respectively.Support 11 is mainly used to mounting cover board component.
Needle plate module comprises the base 26 be positioned on test board 37, be fixed on the needle plate 1 on base 26, be arranged at the foam-rubber cushion 3 of needle plate 1 upper surface surrounding, be arranged at the lower enclosure frame 2 of needle plate 1 and foam-rubber cushion 3 four peripheral end portion, needle plate 1 is provided with multiple vertical probe 35, probe 35 is connected with tester 25 by cable, multiple pad 5 is provided with in the upper surface of needle plate 1, spring 32 is provided with in the upper surface of needle plate 1, spring 32 distributes and wants symmetrical, to ensure carrier plate module horizontal positioned and stress equalization, be provided with through base 26 and needle plate 1 on base plate 26, the vertical aspirating hole 22 of foam-rubber cushion 3, aspirating hole 22 communicates with vacuum suction assembly 21, lower enclosure frame 2 and needle plate 1 form container cavity 1, lower enclosure frame 2 is provided with handle 6 symmetrically.
Carrier plate module comprises the support plate 24 being placed in container cavity 1, the foam-rubber cushion 3 being arranged at support plate 24 upper end, the counter contact 8 be electrically connected with counter 36 be arranged on support plate 24, the upper enclosure frame assembly 20 be arranged on support plate 24, upper enclosure frame assembly 20 and support plate 24 surround container cavity 2 42, pcb board 31 is located, be fixed in this container cavity 2 42, support plate 24 is provided with the probe aperture 24-1 passed for probe 35, and the probe 35 on needle plate 1 stretches out support plate 24 and contacts with the solder joint to be measured on pcb board 31.The Copper Foil 4 that a layer thickness is 0.1mm is respectively equipped with in the upper surface of needle plate 1 and support plate 24, the Copper Foil 4 of needle plate 1 upper surface is between pad 5 and needle plate 1, the Copper Foil 4 of support plate 24 upper surface is between the foam-rubber cushion 3 and support plate 24 of support plate 24 upper end, support plate 24 is provided with hinge 7 and latch 23, upper enclosure frame assembly 20 is provided with handle 20-1; The rear portion of support plate 24 is provided with Power conversion board 38, ox horn adapter 39, ox horn adapter socket 40, is connected by measurement jig with signal wire by power lead with tester 25 electricity.
Cover plate module comprises the cylinder 14 be fixed on support 11, is fixed on the cover plate 10 of the piston rod of cylinder 14, and cover plate 10 adopts visual acrylic board preferably.Piston rod in cylinder 14 is arranged on cover plate 10 by installing plate 15 screw, the pressure bar 16 connected by screw 13 is provided with and pin 12 is touched in the counter contact corresponding with counter contact 8 in the lower end of cover plate 10, the two ends of cover plate 10 are connected with guide pillar 17 respectively by installing plate 15, guide pillar 17 coordinates with support 11 activity, is provided with the backing plate 18 of supporting cell guide 17 in cooperation place.When the piston rod of cylinder 14 declines, drive cover plate module to decline, utilize the pressure bar 16 be arranged on cover plate 10 to be compressed by pcb board, the solder joint to be measured on pcb board 31 is contacted with probe 35.In order to ensure to compress effect, pressure bar 16 can arrange many.Pin 12 is touched when touching counter contact 8 in counter contact, counter 36 testing times.When counter contact 8 is often touched once, counter 36 testing times, by the counting of counter 36, can grasp the quantitation of the testing time of test probe 35, life cycle and pcb board.Needle plate 1 is provided with the vertical register pin 9 running through support plate 24.
The course of work of measurement jig is as follows: put on the support plate 24 of carrier plate module by pcb board 31 to be measured, by register pin 9, pcb board 31 to be measured is positioned at tram; Press power initiation button 28, downward for carrier plate module absorption is fixed by the aspirating hole 22 on the base 26 in needle plate module by the vacuum suction assembly 21 in test board 37, support plate 24 is provided with can through the probe aperture 24-1 of probe 35, and the probe 35 on needle plate 1 stretches out support plate 24; Press dynamic air cylinder decline button 29, cylinder 14 drives cover plate module to decline, the pressure bar 16 be arranged on cover plate 10 is utilized to be fixed by pcb board 31, solder joint to be measured on pcb board 31 is contacted with probe 35, each probe 35 conducting on pcb board 31 each several part circuit and needle plate 1, probe 35 is connected with the tester 25 in test module by cable, electric signal is passed to tester 25, detects.When counter contact touch pin 12 touch counter contact 8 time, counter 36 testing times.After having tested, if pcb board 31 test is passed through, then PASS test is bright by pilot lamp 34; If test is not passed through, namely pcb board 31 detects fault, then FAIL test is not bright by pilot lamp 33, can find out fault components and parts exactly, can mark abort situation, to keep in repair after pcb board 31 to be removed by tester 25.Test terminates, and by dynamic air cylinder raise button 30, cover plate module rises under the driving of cylinder 14.Press power-off button 27, vacuum suction assembly 21 discharges carrier plate module, and carrier plate module rises, and takes out the pcb board 31 tested, puts into next pcb board to be measured 31 and detect.
Measurement jig of the present invention owing to have employed modular structure, such that functions is clear and definite, compact conformation, and four modules can independently be safeguarded, and do not affect other modules; When individual module breaks down, can remove separately and keep in repair; During the PCB of test different types, only need change the position of pressure bar on size needle plate and support plate filling probe aperture and position, cover plate, other parts do not need to change.So measurement jig maintenance is simple, easy to operate, test is accurate, automaticity is high, the demand of large scale test can be met.Owing to adopting cylinder to be compressed by pcb board, not only easy to operate, and ensure that pcb board can not be moved, thus ensure that the reliability of test result when testing.Needle plate, support plate are all coated with one deck Copper Foil, play the effect of electromagnetic screen, thus eliminate interference electromagnetic wave to the impact of electronic component and equipment, improve the accuracy of test.Counter contact is electrically connected with counter, and counter contact is often touched once, and counter with regard to counting once.
Claims (9)
1. a modular pcb board measurement jig, it is characterized in that: comprise test module, needle plate module, carrier plate module and cover plate module, test module comprises test board, be fixed on the support on test board, be positioned at the counter on test board, be arranged at the control desk on test board, be arranged at the tester on test board, tester is electrically connected with control desk, vacuum suction assembly is provided with in test board inside, needle plate module comprises the base be positioned on test board, be fixed on the needle plate on base, be arranged at the foam-rubber cushion of needle plate upper surface surrounding, be arranged at the lower enclosure frame of needle plate and foam-rubber cushion four peripheral end portion, needle plate is provided with multiple vertical probe, probe is connected with tester by cable, multiple pad is provided with in the upper surface of needle plate, spring is provided with in the upper surface of needle plate, base is provided with through base and needle plate, the vertical aspirating hole of foam-rubber cushion, aspirating hole communicates with vacuum suction assembly, lower enclosure frame and needle plate form container cavity one, carrier plate module comprises the support plate being placed in container cavity one, be arranged at the foam-rubber cushion of support plate upper end, be arranged at the counter contact be electrically connected with counter on support plate, be arranged at the upper enclosure frame assembly on support plate, upper enclosure frame assembly and support plate surround the container cavity two that can hold pcb board, support plate is provided with the probe aperture of passing for probe, one deck Copper Foil is respectively equipped with in the upper surface of needle plate and support plate, the Copper Foil of needle plate upper surface is between pad and needle plate, the Copper Foil of support plate upper surface is between the foam-rubber cushion and support plate of support plate upper end, cover plate module comprises the cylinder be fixed on support, be fixed on the cover plate of the piston rod of cylinder, pressure bar is provided with and pin is touched in the counter contact corresponding with counter contact in the lower end of cover plate, the two ends of cover plate are connected to guide pillar, guide pillar coordinates with support activity.
2. modular pcb board measurement jig according to claim 1, it is characterized in that: on control desk, be provided with test by pilot lamp, test not by pilot lamp, power-off button, power initiation button, cylinder decline button, cylinder raise button, tester respectively with test by pilot lamp, test and be not electrically connected by pilot lamp, power-off button, power initiation button.
3. modular pcb board measurement jig according to claim 1 and 2, is characterized in that: on needle plate, be provided with the vertical register pin running through support plate.
4. modular pcb board measurement jig according to claim 1 and 2, is characterized in that: on support plate, be provided with hinge and latch.
5. modular pcb board measurement jig according to claim 1 and 2, is characterized in that: on lower enclosure frame, be provided with handle symmetrically.
6. modular pcb board measurement jig according to claim 1 and 2, is characterized in that: the thickness of Copper Foil is 0.1mm.
7. modular pcb board measurement jig according to claim 1 and 2, is characterized in that: on upper enclosure frame assembly, be provided with handle.
8. modular pcb board measurement jig according to claim 2, is characterized in that: support plate is also provided with Power conversion board, ox horn adapter, ox horn adapter socket.
9. modular pcb board measurement jig according to claim 1, is characterized in that: cover plate adopts acrylic board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510223231.3A CN104777417A (en) | 2015-05-05 | 2015-05-05 | Modular PCB testing jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510223231.3A CN104777417A (en) | 2015-05-05 | 2015-05-05 | Modular PCB testing jig |
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| CN104777417A true CN104777417A (en) | 2015-07-15 |
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| CN201510223231.3A Pending CN104777417A (en) | 2015-05-05 | 2015-05-05 | Modular PCB testing jig |
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| CN106093751A (en) * | 2016-06-20 | 2016-11-09 | 珠海格力电器股份有限公司 | Device and method for detecting using times of probe of circuit board tester |
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Application publication date: 20150715 |