CN202948076U

CN202948076U - Automatic liquid crystal signal PCB board testing apparatus

Info

Publication number: CN202948076U
Application number: CN 201220382712
Authority: CN
Inventors: 徐振东; 钟旭祥; 余超
Original assignee: Xiamen FDK Co Ltd
Current assignee: Xiamen FDK Co Ltd
Priority date: 2012-08-03
Filing date: 2012-08-03
Publication date: 2013-05-22
Anticipated expiration: 2022-08-03

Abstract

Disclosed in the utility model is an automatic liquid crystal signal PCB board testing apparatus comprising a liquid crystal panel, an upper clamp, a lower clamp, a fixed platform, a lifting platform, an external control device, a pedestal, a scanner, and an RA testing board. The pedestal is connected with the fixed platform and the lifting platform; a crank interlinking device is installed fixedly on the pedestal and is connected to the lifting platform; the liquid crystal panel fixedly installed on the fixed platform; the scanner is fixedly installed on the fixed platform; the upper clamp is fixedly installed at the lower surface of the fixed platform; and the lower clamp is fixedly installed on the upper surface of the lifting platform. Besides, the apparatus also includes a programmable logic controller (PLC) and a strike switch, wherein the PLC is electrically connected with the external control device and the stroke switch. According to the utility model, automatic and continuous testing on a PCB substrate can be realized; the testing time is saved; the work efficiency is improved; and bad leakage flowing can be prevented.

Description

A kind of liquid crystal signal pcb board automatic testing equipment

Technical field

The utility model relates to a kind of liquid crystal signal pcb board automatic testing equipment.

Background technology

Present existing pcb board electrical characteristics test project is many, there is no continuity, needs repeatedly clicking operation button of workman, and inefficiency easily occurs not flow out through test simultaneously.

The technical problems to be solved in the utility model is to realize that the pcb board continuity tests automatically, reduces the manually-operated number of times, increases work efficiency, and data-storage system can prevent from neglecting undetected because of personnel simultaneously.

The utility model content

For solving the problems of the technologies described above, the utility model adopts following technical scheme:

the utility model provides a kind of liquid crystal signal pcb board automatic testing equipment, comprise liquid crystal panel, upper fixture, lower clamp, stationary platform, hoistable platform, the external control device, base, scanner, the RA test board, described base is connected with hoistable platform with stationary platform, described crank linkage is mounted on base, connect hoistable platform, described liquid crystal panel is fixedly mounted on stationary platform, described scanner is fixedly mounted on stationary platform, described upper fixture is fixedly mounted on the lower surface of stationary platform, described lower clamp is fixedly mounted on the upper surface of hoistable platform, described a kind of liquid crystal signal pcb board automatic testing equipment also comprises PLC Programmable Logic Controller and travel switch, described PLC Programmable Logic Controller and external control device and travel switch are electrically connected.

Further, described external control device comprises PC1 computer, PC2 computer, USB1 keyboard, USB2 keyboard, and described USB1 keyboard and USB2 keyboard are electrically connected with PC1 computer and PC2 computer respectively.

Further, whether described upper fixture and lower clamp are set up by pcb board and liquid crystal panel and are electrically connected, qualified for detection of signal, the voltage of pcb board output; Described pcb board is placed on lower clamp.

Further, described PC1 computer outputting video signal and operating voltage offer pcb board, described PC2 computer reads IC burning value/scanning/data and storage, whether the IC burning value that described RA test board detects on pcb board is correct, bar code on this pcb board of described scanner scanning, data are sent to the PC2 computer after conversion, be stored on server together with IC burning value, manage with reverse and prosecute.

Further, described PLC Programmable Logic Controller input 200V AC power normal open.

The beneficial effects of the utility model are: the utility model can be switched on to pcb board, loading, IC burning confirmation, RA resistance test, bar code management, data preservation etc., reach effective product testing management and control, conveniently relate the bad effect of interception, can effectively shorten man-hour, be improved as 45 seconds/piece by original 65 seconds/piece; Simplify the operation, by originally repeatedly click keys change twice into, realize the Automatic continuous property testing of PCB substrate, saved the time of test, improved work efficiency, prevent bad undetected outflow.

Description of drawings

Fig. 1 is a kind of liquid crystal signal of the utility model pcb board automatic testing equipment structural representation;

Fig. 2 is a kind of liquid crystal signal of the utility model pcb board automatic testing equipment circuit working schematic diagram.

Annotate: fixture 3 lower clamp 4 stationary platform 5 hoistable platform 6 external control device 61 PC1 computer 62 PC2 computer 63 USB1 keyboard 64 USB2 keyboard 7 base 8 scanner 9 RA test board 10 crank linkage 101 rocking bar 11 PLC Programmable Logic Controller 12 travel switches on 1 liquid crystal panel 2

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing 1-2:

the utility model provides a kind of liquid crystal signal pcb board automatic testing equipment, comprise liquid crystal panel 1, upper fixture 2, lower clamp 3, stationary platform 4, hoistable platform 5, external control device 6, base 7, scanner 8, RA test board 9, described base 7 is connected with hoistable platform with stationary platform 4 and is connected, described crank linkage 10 is mounted on base 7, connect hoistable platform 5, described liquid crystal panel 1 is fixedly mounted on stationary platform 4, described scanner 8 is fixedly mounted on stationary platform 4, described upper fixture 2 is fixedly mounted on the lower surface of stationary platform 4, described lower clamp 3 is fixedly mounted on the upper surface of hoistable platform 5, described a kind of liquid crystal signal pcb board automatic testing equipment also comprises PLC Programmable Logic Controller 11 and travel switch 12, described PLC Programmable Logic Controller 11 is connected with being connected property of travel switch with external control device 6.

Further, described external control device 6 comprises PC1 computer 61, PC2 computer 62, USB1 keyboard 63, USB2 keyboard 64, and described USB1 keyboard 63 and USB2 keyboard 64 are electrically connected with PC1 computer 61 and PC2 computer 62 respectively.

Further, described pcb board 0 is set up with liquid crystal panel 1 by upper fixture 2 and lower clamp 3 and is electrically connected, and whether qualified for detection of signal, the voltage of pcb board 0 output, described pcb board 0 is placed on lower clamp.

Further, described PC1 computer 61 outputting video signals and operating voltage offer pcb board 0, described PC2 computer 62 reads IC burning value/scanning/data and storage, the IC(EPROM that described RA test board 9 detects on PCBA plate 0) whether the burning value is correct, bar code on described scanner 8 these pcb boards 0 of scanning, data are sent to PC2 computer 62 after conversion, with IC(EPROM) be stored on server together with the burning value, manage with reverse and prosecute.

Further, described PLC Programmable Logic Controller 11 input 200V AC power normal opens.

Pcb board test job principle is:

The first step: pcb board 0 to be detected is put on the test platform of lower clamp 3;

Second step: the rocking bar 101 of leaving behind, make lower clamp 2 increase and clamp with upper fixture 3, allow pcb board 0 closely be connected with liquid crystal panel 1, PC1 computer 61, PC2 computer 62 circuits;

The 3rd step: travel switch 12(K1) be extruded closure, the X1 signal that commencing signal passes to PLC Programmable Logic Controller 11 meets (L), make its internal relay Y1 closed, Y1 triggers " KEY0 " key of USB1 keyboard 63, signal passes to PC1 computer 61, output services voltage and vision signal are supplied with pcb board 0 by TEST LINE1 line at once to make PC1 computer 61, make the normal display frame of liquid crystal panel 1 by PCBA plate 0 output voltage and signal by TEST LINE4 line again, whether normally detect pcb board 0 electrical specification;

The 4th step: at this moment the internal relay Y2 of PLC Programmable Logic Controller 11 is through auto-closing after delaying time 0.5 second, " KEY Enter " key signals that Y2 triggers USB2 keyboard 64 passes to PC2 computer 62, by TEST LINE2 line, program begins to read IC(EPROM on pcb board 0) burning data, whether program automatic comparison burning data value correct;

The 5th step: when PC2 computer 62 shows " OK ", click the K2 switch, " KEY+ " key signals that triggers USB1 keyboard 63 passes to PC1 computer 61, make program enter the switching video signals automatically state, signal and the voltage of automatic interrupt output after all Picture switchs finish, liquid crystal panel 1 withdraws from display frame, and PC1 computer 61 is completed to this work;

The 6th step: pin the K3 switch, RA test board 9 by TEST LINE3 connecting line begin to the RA resistance on pcb board 0 open a way, short-circuit test, when judging OK, relay H1 auto-closing in the loop, the bar code that attaches on trigger sweep instrument 8 scanning PCBA plates 0 converts data code to, is sent to PC2 computer 62 and IC(EPROM by TEST LINE5 data line) burning data store into simultaneously on server, system shows storage " OK ", and PC2 computer 62 is completed to this work;

The 7th goes on foot: decontrol the K3 switch, decontrol rocking bar 101, under crank linkage 10 drove, hoistable platform 5 descended, and lower clamp 3 separates with upper fixture 2, at this moment travel switch 12(K1) disconnect, X1 puts (H), and PLC Programmable Logic Controller 11 resets;

The 8th step: take out pcb board 0, this piece product testing finishes, and passes to next engineering, returns to the first step and begins;

If interrupt test when having generation bad in test process is taken out and is managed as defective products.

The utility model is by PLC Programmable Logic Controller 11 and travel switch 12, and PC1 computer 61 and PC2 computer 62 operate continuously and automatically, reaches the number of times that reduces artificial button click, to reach the rate that comes into force that improves.Compared to prior art, the utility model can't store and judge that by not reading burning data rear autoscan prevents that the erroneous judgement that causes because of personnel's carelessness is undetected, has improved the production quality.

Here description of the present utility model and application is illustrative, is not to want with scope restriction of the present utility model in the above-described embodiments.Here the distortion of disclosed embodiment and change is possible, and the various parts of the replacement of embodiment and equivalence are known for those those of ordinary skill in the art.Those skilled in the art are noted that in the situation that do not break away from spirit of the present utility model or essential characteristic, and the utility model can be with other form, structure, layout, ratio, and realizes with other assembly, material and parts.In the situation that do not break away from the utility model scope and spirit, can carry out other distortion and change to disclosed embodiment here.

Claims

1. liquid crystal signal pcb board automatic testing equipment, it is characterized in that: comprise liquid crystal panel, upper fixture, lower clamp, stationary platform, hoistable platform, the external control device, base, scanner, the RA test board, described base is connected with hoistable platform with stationary platform, described crank linkage is mounted on base, connect hoistable platform, described liquid crystal panel is fixedly mounted on stationary platform, described scanner is fixedly mounted on stationary platform, described upper fixture is fixedly mounted on the lower surface of stationary platform, described lower clamp is fixedly mounted on the upper surface of hoistable platform, described a kind of liquid crystal signal pcb board automatic testing equipment also comprises PLC Programmable Logic Controller and travel switch, described PLC Programmable Logic Controller and external control device and travel switch are electrically connected.

2. a kind of liquid crystal signal pcb board automatic testing equipment according to claim 1, it is characterized in that, described external control device comprises PC1 computer, PC2 computer, USB1 keyboard, USB2 keyboard, and described USB1 keyboard and USB2 keyboard are electrically connected with PC1 computer and PC2 computer respectively.

3. a kind of liquid crystal signal pcb board automatic testing equipment according to claim 1, is characterized in that, whether described upper fixture and lower clamp are set up by pcb board and liquid crystal panel and be electrically connected, qualified for detection of signal, the voltage of pcb board output; Described pcb board is placed on lower clamp.

4. a kind of liquid crystal signal pcb board automatic testing equipment according to claim 2, it is characterized in that, described PC1 computer outputting video signal and operating voltage offer pcb board, described PC2 computer reads IC burning value/scanning/data and storage, whether the IC burning value that described RA test board detects on pcb board is correct, the bar code on this pcb board of described scanner scanning, and data are sent to the PC2 computer after conversion, be stored on server together with IC burning value, manage with reverse and prosecute.

5. a kind of liquid crystal signal pcb board automatic testing equipment according to claim 1, is characterized in that, described PLC Programmable Logic Controller input 200V AC power normal open.