CN102818982A - Fool-proof method for grouping tests - Google Patents
Fool-proof method for grouping tests Download PDFInfo
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- CN102818982A CN102818982A CN2012100738882A CN201210073888A CN102818982A CN 102818982 A CN102818982 A CN 102818982A CN 2012100738882 A CN2012100738882 A CN 2012100738882A CN 201210073888 A CN201210073888 A CN 201210073888A CN 102818982 A CN102818982 A CN 102818982A
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- fool proof
- wiring board
- test
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Abstract
The invention relates to a fool-proof method for grouping tests. The fool-proof method includes marking a group of fool-proof icons with different numbers at corresponding positions of each printed circuit board (PCB) on a v-cut board, wherein fool-proof icons in each group are mutually communicated; dividing the PCB on the v-cut board into a plurality of blocks which are identical or different; producing a test fixture, wherein a group of test pins is arranged at a position corresponding to each group of fool-proof icons of each PCB on the test fixture, and the amount of each test pins is equal to that of the most fool-proof icons on the v-cut board; and selecting a test program, when communication and insulation relations of the test pins are in one to one correspondence to those among fool-proof icons at corresponding positions on the PCB, the PCB can pass the test, and otherwise, the PCB cannot pass the test. According to the fool-proof method, fool-proofing of the tested PCB is completed through the electric relations among fool-proof icons, on one hand, cost increase due to upgrade and expansion of machine stations can be avoided, and on the other hand, test efficiency can be improved through the grouping tests.
Description
Technical field
the present invention relates to the wiring board field tests, particularly relate to a kind of grouping test foolproof method.
Background technology
are present, and to undersized wiring board, part client goes up part efficient for promoting, and it is many in flakes to begin design, and even the design of dry plate wiring board is in (its quantity can reach 18 or 20 in flakes more than) on the plank.This design may exceed on the one hand the power of test (exceed board maximum allow count) of tester table, the capacity of need upgrading again concerning the In-Plant Test board; On the other hand, many because of counting, the test machine reaction is slow, influences testing efficiency, to this problem, needs to adopt the grouping test to solve.As shown in Figure 1: following 18 to be example in flakes, can be divided into 3 groups and to test, but how guarantee security, reliability and the stability of testing, this has just proposed further requirement to the method for fool proof.
Summary of the invention
the object of the invention provides a kind of grouping test foolproof method.
For achieving the above object, the technical scheme that the present invention adopts is:
Fool proof when a kind of grouping test foolproof method, this method are used for board test in flakes, this is designed with some wiring boards on plate in flakes, and this method may further comprise the steps:
(1), on plate in flakes one group of fool proof icon of the different numbers of correspondence position mark of each wiring board, each fool proof icon mutual conduction in every group;
(2), will be in flakes wiring board on the plate be divided into identical or different a plurality of chunks;
(3), make a cover measurement jig to the wiring board of identical chunk: the position of every group of fool proof icon of corresponding each wiring board is provided with one group of testing needle on the measurement jig, and every group of testing needle is equal in number in the quantity that goes up maximum fool proof icons in flakes;
(4), select test procedure, the quantity of test procedure and the quantity of chunk are consistent;
conducting when between the fool proof icon of correspondence position on the conducting of selection testing needle in the test procedure and insulate relation and the wiring board concerns one by one at once that with insulation wiring board can pass through test; When the conducting between the fool proof icon of correspondence position on the conducting of selecting testing needle in the test procedure and insulation relation and the wiring board was not corresponding with the insulation relation, wiring board can not be through testing.
Preferably in step (1), number wiring board successively
, is numbered positive integer, and the fool proof icon number of the correspondence position of each wiring board and the numbering number of this wiring board are consistent.
preferably are conducted through lead between each fool proof icon.
preferably, the fool proof iconic marker is on the copper face of a conducting, the quantity and the position of every group of fool proof icon are identical, according to the conducting and insulation relation when group fool proof icon, cover dielectric ink in the fool proof icon surface of insulation relation.
preferably, the fool proof iconic marker is on the discarded rim charge of plate in flakes.
Because the technique scheme utilization, the present invention compared with prior art has advantage and effect:
the present invention accomplishes the fool proof to the measurement circuit plate through the electrical relation between the fool proof icon, can avoid the extra increase cost of board upgrade expanding on the one hand; Also through the test of dividing into groups, promoted the efficient of test on the other hand.
Description of drawings
Accompanying drawing 1 is 18 in flakes grouping synoptic diagram;
Accompanying drawing 2 is 18 in flakes part mark fool proof icon synoptic diagram;
Accompanying drawing 3 is the mark fool proof icon synoptic diagram of measurement jig;
Accompanying drawing 4 is a measurement jig usage flag fool proof icon synoptic diagram;
accompanying drawing 5 is 20 in flakes grouping synoptic diagram.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Existing is example with 18 in flakes:
18 wiring boards in are in flakes numbered successively, be numbered 1,2,3 ... 18 positive integer; Wiring board to accomplishing numbering divides into groups, and is divided into into three groups in the present embodiment, and every group has 6 wiring boards, as shown in Figure 1;
Designing fool proof icon (PAD) on the break edge of plate (rim charge of waste gas behind the last part) in flakes; As shown in Figure 2: as to number the corresponding to fool proof icon of number (PAD) with it at each wiring board correspondence position mark; Existing is example with square fool proof icon (PAD); From 1 mark to 18 a fool proof icon (PAD), and the corresponding fool proof icon (PAD) of each wiring board design is at same position: like the 1st the fool proof icon (PAD) of 1 fool proof icon (PAD) of the 1st wiring board and the 2nd wiring board at same position; 2 fool proof icons (PAD) of the 2nd wiring board and preceding 2 fool proof icons (PAD) of the 3rd wiring board are at same position; And the like; Until preceding 17 fool proof icons (PAD) of 17 fool proof icons (PAD) of the 17th wiring board and the 18th wiring board all at same position; Can guarantee the consistance of fool proof icon (PAD) position like this, to adapt to general measurement jig;
Be designed to conducting between the fool proof icon (PAD) of corresponding line plate, this design can be adopted dual mode:
First kind of mode: be conducted through lead between each fool proof icon (PAD);
second way: all fool proof icons (PAD) all design the copper face a conducting; The quantity of all fool proof icons (PAD) is all identical with mark position; Numbering according to wiring board; The fool proof icon (PAD) that belongs to the wiring board numbering does not cover dielectric ink, and the copper face that does not belong to the required fool proof icon (PAD) of this group covers dielectric ink.Therefore, the electrical relation that covers between the humorous fool proof icon (PAD) of insulation is conducting.
Make supporting measurement jig according to the situation of dividing into groups; The shared same measurement jig of identical group: in the present embodiment; The fool proof figure (PAD) of corresponding each wiring board is provided with testing needle on the measurement jig; The quantity of testing needle equals to go up in flakes the quantity of maximum fool proof icons (PAD), and is promptly 18, as shown in Figure 3; And the fool proof icon (PAD) on the plate can both find corresponding with it testing needle on the measurement jig in flakes, and this has guaranteed that also measurement jig can both accomplish the test to it for different wiring board on the same group;
The program of measurement jig is selected in
; To go up first group of wiring board in flakes is example; Wiring board is numbered: 1,2,3,16,17,18; Its fool proof icon (PAD) number is respectively: 1,2,3,16,17,18; As shown in Figure 4, then be numbered 1 wiring board in the test procedure and electrically concern: the 1st fool proof icon (PAD) and to cover between 17 the fool proof icons (PAD) under the dielectric ink be the insulation relation, and also concern for insulation between these 17 fool proof icons (PAD) itself; Being numbered 2 wiring board electrically concerns: between the 1st and the 2nd fool proof icon (PAD) is the conducting relation; And covering between 16 the fool proof icons (PAD) under the dielectric ink is the insulation relation; And also be the insulation relation between these 16 fool proof icons (PAD) itself; And the like, label is 18 wiring board, is the conducting relation between 18 fool proof icons (PAD); Conducting concerns the conducting of the fool proof icon (PAD) corresponding with the actual track plate and the relationship consistency that insulate with insulation in the test procedure like this, and wiring board can be through test; Remove to test second group of wiring board and work as the program of selecting to survey first group of wiring board; Fool proof icon (PAD) number of second group of wiring board is respectively: 4,5,6,13,14,15; As be numbered 4 wiring board and electrically concern: be the conducting relation between 2,3,4 fool proof icons (PAD) 1st,, and to cover between 14 the fool proof icons (PAD) dielectric ink under be the insulation relation, and also concern between these 14 fool proof icons (PAD) itself for insulating; Then the conducting of test procedure and wiring board occurs inconsistent with the insulation relation; At this moment, measurement jig can not be tested second group of wiring board, must select and second group of program that is complementary.
in sum, the tester tests the back personnel and on the wiring board of correspondence, does sign through transferring certain group program test, representes that certain group tested and finish, accurately the distinguishing tests and the part of test not.
are certain, if be 20 in flakes, according to testing requirement, possibly divide into groups 4 groups, and as shown in Figure 5, according to following grouping, testing mould need be prepared 2 groups, tests 6 small pieces for one group, tests 2 small pieces for one group, and the method for dividing into groups certainly is not limited only to this.
The electrical relation of indication all instructs logical and the insulation relation among
the application.
the foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to let the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences of doing based on spirit of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (5)
1. the fool proof when test foolproof method that divides into groups, this method are used for board test in flakes, this is designed with some wiring boards on plate in flakes, it is characterized in that: this method may further comprise the steps:
(1), on plate in flakes one group of fool proof icon of the different numbers of correspondence position mark of each wiring board, each fool proof icon mutual conduction in every group;
(2), will be in flakes wiring board on the plate be divided into identical or different a plurality of chunks;
(3), make a cover measurement jig to the wiring board of identical chunk: the position of every group of fool proof icon of corresponding each wiring board is provided with one group of testing needle on the measurement jig, and every group of testing needle is equal in number in the quantity that goes up maximum fool proof icons in flakes;
(4), select test procedure, the quantity of test procedure and the quantity of chunk are consistent;
Conducting when between the fool proof icon of correspondence position on the conducting of selecting testing needle in the test procedure and insulation relation and the wiring board and insulation relation are one by one at once, and wiring board can be through test; When the conducting between the fool proof icon of correspondence position on the conducting of selecting testing needle in the test procedure and insulation relation and the wiring board was not corresponding with the insulation relation, wiring board can not be through testing.
2. a kind of grouping test foolproof method according to claim 1; It is characterized in that: in step (1); Wiring board is numbered successively, be numbered positive integer, the fool proof icon number of the correspondence position of each wiring board and the numbering number of this wiring board are consistent.
3. a kind of grouping test foolproof method according to claim 1 is characterized in that: be conducted through lead between each fool proof icon.
4. a kind of grouping test foolproof method according to claim 1; It is characterized in that: the fool proof iconic marker is on the copper face of a conducting; The quantity and the mark position of every group of fool proof icon are identical; According to concerning, at the fool proof icon surface covering dielectric ink of insulation relation when group fool proof icon required conducting and insulation.
5. a kind of grouping test foolproof method according to claim 1 is characterized in that: the fool proof iconic marker is on the discarded rim charge of plate in flakes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210073888.2A CN102818982B (en) | 2012-03-20 | 2012-03-20 | Fool-proof method for grouping tests |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210073888.2A CN102818982B (en) | 2012-03-20 | 2012-03-20 | Fool-proof method for grouping tests |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102818982A true CN102818982A (en) | 2012-12-12 |
| CN102818982B CN102818982B (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210073888.2A Active CN102818982B (en) | 2012-03-20 | 2012-03-20 | Fool-proof method for grouping tests |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104422846A (en) * | 2013-09-02 | 2015-03-18 | 北大方正集团有限公司 | Circuit board testing device and method |
| CN112584601A (en) * | 2019-09-27 | 2021-03-30 | 深南电路股份有限公司 | Circuit board, fool-proof method thereof and electronic device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4417204A (en) * | 1980-04-03 | 1983-11-22 | Luther & Maelzer Gmbh | Printed circuit board tester and adapter with memory |
| WO2002031516A1 (en) * | 2000-10-04 | 2002-04-18 | Atg Test Systems Gmbh & Co. Kg | Module for a testing device for testing printed circuit boards |
| US20050014327A1 (en) * | 2001-08-10 | 2005-01-20 | Raitter James S. | Sequential unique marking |
| US20050043826A1 (en) * | 2003-06-10 | 2005-02-24 | Josef Gluch | Method and apparatus for positioning a test head on a printed circuit board |
| CN101458297A (en) * | 2007-12-12 | 2009-06-17 | 康佳集团股份有限公司 | Printed circuit board test system and test method |
-
2012
- 2012-03-20 CN CN201210073888.2A patent/CN102818982B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4417204A (en) * | 1980-04-03 | 1983-11-22 | Luther & Maelzer Gmbh | Printed circuit board tester and adapter with memory |
| WO2002031516A1 (en) * | 2000-10-04 | 2002-04-18 | Atg Test Systems Gmbh & Co. Kg | Module for a testing device for testing printed circuit boards |
| US20050014327A1 (en) * | 2001-08-10 | 2005-01-20 | Raitter James S. | Sequential unique marking |
| US20050043826A1 (en) * | 2003-06-10 | 2005-02-24 | Josef Gluch | Method and apparatus for positioning a test head on a printed circuit board |
| CN101458297A (en) * | 2007-12-12 | 2009-06-17 | 康佳集团股份有限公司 | Printed circuit board test system and test method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104422846A (en) * | 2013-09-02 | 2015-03-18 | 北大方正集团有限公司 | Circuit board testing device and method |
| CN112584601A (en) * | 2019-09-27 | 2021-03-30 | 深南电路股份有限公司 | Circuit board, fool-proof method thereof and electronic device |
| CN112584601B (en) * | 2019-09-27 | 2022-07-01 | 深南电路股份有限公司 | Circuit board, fool-proof method thereof and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102818982B (en) | 2014-07-16 |
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