CN104656002A - PCB testing result unit display system and method thereof - Google Patents
PCB testing result unit display system and method thereof Download PDFInfo
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- CN104656002A CN104656002A CN201310597324.3A CN201310597324A CN104656002A CN 104656002 A CN104656002 A CN 104656002A CN 201310597324 A CN201310597324 A CN 201310597324A CN 104656002 A CN104656002 A CN 104656002A
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Abstract
The invention discloses a PCB testing result unit display system and a method thereof. The PCB testing result unit display system comprises an electric testing system, a display screen and a testing clamp, wherein a PCB to be tested is arranged on the testing clamp; a plurality of units to be tested are distributed on the PCB to be tested; a red light LED lamp is arranged on each unit to be tested; each red light LED lamp is connected with one LED lead connector through a lead; the LED lead connectors are all electrically connected with an LED driving power supply, and are driven by the LED driving power supply to emit light; the LED driving power supply is electrically connected with the electric testing system. The PCB testing result unit display system has the beneficial effects that due to additional arrangement of the hardware LED driving power supply and the red light LED lamps inside units to be tested, the testing result can be displayed, errors are prevented in a hardware manner, artificial errors or errors caused by view fatigue can be avoided, the proficiency of operators is effectively reduced, the fatigue degree of the operators is also reduced, the operators can accurately select and mark PCBs according to the testing result, and defective products are prevented from being delivered.
Description
[technical field]
The present invention relates to PCB test macro, in particular, the present invention relates to a kind of PCB measurement result unit display system and method thereof.
[background technology]
Along with smart mobile phone, panel computer universal, the use amount of soft board (FPC) is increasing; The output of simultaneous soft board is more and more higher, soft board have soft, size is little, making sheet time be combined into one block of large plate by some unit and make, thus save cost of manufacture and expense.
And in soft board test, there is following problem always: soft board test test for multiple-unit simultaneously, and due to comparison in composition intensive, fixture making can make multiple-unit simultaneously; And bad owing to occurring in processing procedure, need to mark while having tested.Existing method carries out subdivision display on computer screen, tested on rear screen and can show PASS and FAIL, and operating personnel mark according to the corresponding PCB of display result.The problem that such dependence manually contrasts computation has had unit number many easily to miscount, and long-time contrast computer is easily tired occurs misjudgement, causes bad outflow, finally affects the quality of product and the credit worthiness of client.
[summary of the invention]
The object of the invention is to the deficiency effectively overcoming above-mentioned technology, there is provided a kind of avoid because of manually miscount or visual fatigue and cause mistake PCB measurement result unit display system, this system guarantees to carry out correct marking according to test result, thus guarantees that defective products can not flow out.
Technical scheme of the present invention is achieved in that this system comprises electrical test system, the display screen be connected with electrical test system, and by test fixture that electrical test system controls, described test fixture is provided with pcb board to be measured, its improvements are: described pcb board to be measured is distributed as multiple to-be-measured cell, each to-be-measured cell is provided with a red LED lamp, and red LED lamp is all connected on a LED feedthrough connector by wire, this LED feedthrough connector is all electrically connected in a LED drive power, luminous by the driving of this LED drive power, described LED drive power and above-mentioned electrical test system are electrically connected,
In above-mentioned structure, described test fixture is made up of upper fixture and lower clamp.
In above-mentioned structure, described red LED lamp also can be arranged on upper fixture corresponding to each to-be-measured cell or lower clamp.
Present invention also offers and be a kind ofly applicable to above-mentioned PCB measurement result unit display packing, its improvements are: the method comprising the steps of:
A, multiple red LED lamp is mounted to each to-be-measured cell respectively, the gap location of two to-be-measured cells can be arranged on; In described steps A, described red LED lamp also can be arranged on upper fixture corresponding to to-be-measured cell or lower clamp;
B, self-inspection is carried out to red LED lamp, check red LED lamp that each to-be-measured cell is corresponding whether normal luminous, if red LED lamp is not luminous, then overhaul circuit, with the equal normal luminous of red LED lamp guaranteeing that each to-be-measured cell is corresponding;
C, startup test fixture are tested, after having tested, display screen can the result of display measurement, if the to-be-measured cell of a certain PCB occurs electrically bad, electrical test system then controls LED drive power, drives the red LED lamp that this to-be-measured cell is corresponding then luminous by LED drive power;
Further comprising the steps of after described step C: electrically bad to-be-measured cell is marked.
Beneficial effect of the present invention is: the present invention is by arranging LED drive power, LED feedthrough connector and red LED lamp, LED drive power and electrical test system are electrically connected, wait test result when testing is complete not only to show on a display screen, there is the red-light LED meeting azarin light of bad corresponding to-be-measured cell simultaneously, because people is more responsive to ruddiness, therefore can mark the unit in bright light district before PCB does not take out; Native system, simultaneously in order to ensure stability, can carry out hardware check to red LED lamp before testing begins, guarantees that the red LED lamp display that each to-be-measured cell is corresponding is normal; And because LED drive power and test result Direct Communication, so guarantee that test result and red LED lamp show one_to_one corresponding; The present invention makes it to show test results by increasing hardware LED drive power and increase red LED lamp in to-be-measured cell, mistake proofing is realized by the mode of hardware, avoid manually because to miscount or visual fatigue causes mistake, effectively reduce the skill level of operating personnel and reduce fatigue strength, guarantee to carry out correct marking according to test result, thus guarantee that defective products can not flow out.
[accompanying drawing explanation]
Fig. 1 is theory diagram of the present invention;
Fig. 2 is specific embodiments of the invention figure;
Fig. 3 is the side view of test fixture of the present invention.
[embodiment]
Below in conjunction with drawings and Examples, the invention will be further described.
Shown in Fig. 3, present invention is disclosed a kind of PCB measurement result unit display system, the test fixture 30 that this system is comprised electrical test system 10, the display screen 20 be connected with electrical test system 10 and controlled by electrical test system 10, test fixture 30 has upper fixture 301 and lower clamp 302 to form, the lower clamp 302 of test fixture 30 is provided with pcb board 40 to be measured, electrical test system 10 controllable testing fixture 30 realizes the test to pcb board 40 to be measured, and the result of test is sent on display screen 20 and is shown.In actual test process, pcb board 40 to be measured is generally distributed as multiple to-be-measured cell 401, each to-be-measured cell 401 is equipped with a red LED lamp 50, to consider in to-be-measured cell 401 that one side may plant pin more simultaneously, cannot arrange red LED lamp 50, therefore the setting of red LED lamp 50 is not limited to fixture 301, lower clamp 302, can arrange red LED lamp 50 at upper lower clamp arbitrary face, be arranged on lower clamp 302 for printing opacity display, be arranged on fixture 301 for straight according to projection light display.
With reference to shown in Fig. 2, be a specific embodiment of the present invention, each to-be-measured cell 401 of wherein pcb board 40 to be measured is provided with red LED lamp 50, and red LED lamp 50 is all connected on a LED feedthrough connector 60 by wire, this LED feedthrough connector 60 is electrically connected in a LED drive power 70, and red LED lamp 50 is luminous by the driving of this LED drive power 70; Further, LED drive power 70 and above-mentioned electrical test system 10 are electrically connected, and the duty of LED drive power 70 is then by the control of electrical test system 10.
Further, we are in conjunction with above-mentioned structure, and be described in detail PCB measurement result unit display packing of the present invention, the method comprising the steps of:
A, multiple red LED lamp 50 is mounted to each to-be-measured cell 401 respectively, can be arranged on the gap location of two to-be-measured cells, in addition, red LED lamp 50 also can be arranged on the upper fixture 301 of to-be-measured cell 401 correspondence or the arbitrary face of lower clamp 302;
B, self-inspection is carried out to red LED lamp 50, check the red LED lamp 50 whether normal luminous of each to-be-measured cell 401 correspondence, if red LED lamp 50 is not luminous, then overhaul the circuit of corresponding red LED lamp 50, to guarantee red LED lamp 50 all normal luminous of each to-be-measured cell 401 correspondence;
C, startup test fixture 30 are tested, upper fixture 301 presses down, completed by test probe and realize test, after having tested, electrical test system 10 can control the result of display screen 20 display measurement, if a certain to-be-measured cell 401 occurs electrically bad, electrical test system 10 controls LED drive power 70, is driven red LED lamp 50 luminescences of this to-be-measured cell 401 correspondence by LED drive power 70;
Whether D, staff can be shinny according to red LED lamp 50, and whether electric property is good to judge the to-be-measured cell 401 of corresponding pcb board 40, if red LED lamp 50 is luminous, then can mark the to-be-measured cell 401 of correspondence.
The present invention makes it to show test results by increasing hardware LED drive power 70 and increase red LED lamp 50 in to-be-measured cell, mistake proofing is realized by the mode of hardware, avoid manually because to miscount or visual fatigue causes mistake, effectively reduce the skill level of operating personnel and reduce fatigue strength, guarantee to carry out correct marking according to test result, thus guarantee that defective products can not flow out.
Described above is only preferred embodiment of the present invention, and above-mentioned specific embodiment is not limitation of the present invention.In technological thought category of the present invention, can occur various distortion and amendment, all those of ordinary skill in the art, according to describing retouching, the amendment made above or equivalent replacing, all belong to the scope that the present invention protects.
Claims (6)
1. a PCB measurement result unit display system, it comprises electrical test system, the display screen be connected with electrical test system, and by test fixture that electrical test system controls, described test fixture is provided with pcb board to be measured, it is characterized in that: described pcb board to be measured is distributed as multiple to-be-measured cell, each to-be-measured cell is provided with a red LED lamp, and red LED lamp is all connected on a LED feedthrough connector by wire, this LED feedthrough connector is all electrically connected in a LED drive power, luminous by the driving of this LED drive power, described LED drive power and above-mentioned electrical test system are electrically connected.
2. PCB measurement result unit display system according to claim 1, is characterized in that: described test fixture is made up of upper fixture and lower clamp.
3. according to the PCB measurement result unit display system of claim 2 prime number, it is characterized in that: described red LED lamp also can be arranged on upper fixture corresponding to each to-be-measured cell or lower clamp.
4. be applicable to a PCB measurement result unit display packing according to claim 1, it is characterized in that: the method comprising the steps of:
A, multiple red LED lamp is mounted to each to-be-measured cell respectively, the gap location of two to-be-measured cells can be arranged on;
B, self-inspection is carried out to red LED lamp, check red LED lamp that each to-be-measured cell is corresponding whether normal luminous, if red LED lamp is not luminous, then overhaul circuit, with the equal normal luminous of red LED lamp guaranteeing that each to-be-measured cell is corresponding;
C, startup test fixture are tested, after having tested, display screen can the result of display measurement, if the to-be-measured cell of a certain PCB occurs electrically bad, electrical test system then controls LED drive power, drives the red LED lamp that this to-be-measured cell is corresponding then luminous by LED drive power.
5. a kind of PCB measurement result unit display packing according to claim 4, it is characterized in that: in described steps A, described red LED lamp also can be arranged on upper fixture corresponding to to-be-measured cell or lower clamp.
6. a kind of PCB measurement result unit display packing according to claim 4, is characterized in that: further comprising the steps of after described step C: mark electrically bad to-be-measured cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310597324.3A CN104656002A (en) | 2013-11-22 | 2013-11-22 | PCB testing result unit display system and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310597324.3A CN104656002A (en) | 2013-11-22 | 2013-11-22 | PCB testing result unit display system and method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104656002A true CN104656002A (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310597324.3A Pending CN104656002A (en) | 2013-11-22 | 2013-11-22 | PCB testing result unit display system and method thereof |
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| CN (1) | CN104656002A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106249177A (en) * | 2016-06-03 | 2016-12-21 | 深圳市普盛旺科技有限公司 | The automatic p-wire of charger safety |
| CN112666452A (en) * | 2019-10-15 | 2021-04-16 | 成都欧珀移动通信有限公司 | Circuit board test structure and device |
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| US6765396B2 (en) * | 2002-04-04 | 2004-07-20 | Freescale Semiconductor, Inc. | Method, apparatus and software for testing a device including both electrical and optical portions |
| CN101153888A (en) * | 2006-09-29 | 2008-04-02 | 比亚迪股份有限公司 | Testing method for luminous parallel path of flexible printing circuit board |
| US7642792B2 (en) * | 2005-12-05 | 2010-01-05 | Stmicroelectronics S.A. | Probe card for tests on photosensitive chips and corresponding illumination device |
| CN202049210U (en) * | 2011-04-21 | 2011-11-23 | 淳华科技(昆山)有限公司 | Automatic test device for spring leaves on FPC |
| CN202075363U (en) * | 2011-04-22 | 2011-12-14 | 苏州市科林源电子有限公司 | Open/short circuit testing fixture capable of displaying testing result |
| CN102707182A (en) * | 2011-04-22 | 2012-10-03 | 苏州市科林源电子有限公司 | Printed circuit board (PCB) test jig |
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2013
- 2013-11-22 CN CN201310597324.3A patent/CN104656002A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6765396B2 (en) * | 2002-04-04 | 2004-07-20 | Freescale Semiconductor, Inc. | Method, apparatus and software for testing a device including both electrical and optical portions |
| US7642792B2 (en) * | 2005-12-05 | 2010-01-05 | Stmicroelectronics S.A. | Probe card for tests on photosensitive chips and corresponding illumination device |
| CN101153888A (en) * | 2006-09-29 | 2008-04-02 | 比亚迪股份有限公司 | Testing method for luminous parallel path of flexible printing circuit board |
| CN202049210U (en) * | 2011-04-21 | 2011-11-23 | 淳华科技(昆山)有限公司 | Automatic test device for spring leaves on FPC |
| CN202075363U (en) * | 2011-04-22 | 2011-12-14 | 苏州市科林源电子有限公司 | Open/short circuit testing fixture capable of displaying testing result |
| CN102707182A (en) * | 2011-04-22 | 2012-10-03 | 苏州市科林源电子有限公司 | Printed circuit board (PCB) test jig |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106249177A (en) * | 2016-06-03 | 2016-12-21 | 深圳市普盛旺科技有限公司 | The automatic p-wire of charger safety |
| CN112666452A (en) * | 2019-10-15 | 2021-04-16 | 成都欧珀移动通信有限公司 | Circuit board test structure and device |
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Application publication date: 20150527 |