CN104849885B - The integrated apparatus and method of liquid crystal module test are realized based on industrial computer - Google Patents
The integrated apparatus and method of liquid crystal module test are realized based on industrial computer Download PDFInfo
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- CN104849885B CN104849885B CN201510310112.1A CN201510310112A CN104849885B CN 104849885 B CN104849885 B CN 104849885B CN 201510310112 A CN201510310112 A CN 201510310112A CN 104849885 B CN104849885 B CN 104849885B
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention relates to a kind of integrated apparatus and method that liquid crystal module test is realized based on industrial computer, the device includes：Power module；Industrial control computer mainboard module, is connected with the power module；Multiple power supplies module, is connected with the power module；PG modules, are connected with the multiple power supplies module；The PG modules include ARM and FPGA, and the FPGA generates LVDS signal outputs；Video card, is connected with the FPGA, for receiving the LVDS signals；Output interface module, is connected with the video card and multiple power supplies module respectively；And display module, it is connected with the ARM.The present invention can combine daily common industrial computer and PG, and the compression of volume has been more convenient normal temperature under manufacturer's Portable device, multi-environment and tested, mobile test.In addition, industrial computer and PG integrations to be reduced to the extra auxiliary material cost for producing independent PG.
Description
Technical field
The present invention relates to liquid crystal module testing device, the one of liquid crystal module test is realized based on industrial computer in particular to a kind of
Body device and method, the test for liquid crystal module LCD lightings.
Background technology
At present, liquid crystal module field is gradually active, and market gradually increases liquid crystal module demand, and LVDS modules are in liquid crystal electricity
Applied on brain, TV than wide；With 4K large-size screen monitors, the ultra high-definition image quality epoch arrive, V-BY-ONE modules, DP modules, MIPI
Module is progressively appeared in our life, and MIPI modules have itself low-power consumption, high definition image quality, high-speed feature, in movement
The wide model of equipment application；DP modules more step to a new level with respect to MIPI modules, LVDS modules in signal rate, reach 2.7Gbit/
S, is widely used on middle size notebook computer and LCD computer；Itself high-speed each pair data transfer of V-BY-ONE modules
3.75Gbit/s, it is wider in the application of oversize LCD TV；TTL modules are that the liquid crystal module occurred earliest has homeostasis
Property it is high, research and development difficulty is relatively relatively low at present, and price advantage is good, is more generally used in operator panel and car-mounted display field.
But, correspondence often researches and develops a above-mentioned new liquid crystal module and is required for research staff to carry out lighting experimental test.It is logical
Often, for research and development department, liquid crystal module testing device simulation point screen is necessary step, and still, some current manufacturers are provided
Test equipment all show that volume is big, man-machine interface and test device are separated, and need to spend the independent point of purchase of more expenses
Screen equipment and man-machine interface, are unfavorable for mobile test above.In addition, auxiliary material application also compares many, manufacturer is greatly increased
Cost, and application software need set parameter item it is various, normal operator grasp equipment occupation mode have it is more high-leveled and difficult
Degree.
The content of the invention
Present invention aims to overcome that above-mentioned the deficiencies in the prior art and provide one kind liquid crystal module is realized based on industrial computer
The integrated apparatus and method of test, the device is improved by optimizing power supply reduces the volume of test device, it is to avoid common
A large amount of consumptive materials, reduce production cost used in PG (pattern generator, picture maker).
Realize that the technical scheme that the object of the invention is used is a kind of integration that liquid crystal module test is realized based on industrial computer
Device, the device includes：
Power module；
Industrial control computer mainboard module, is connected with the power module；
Multiple power supplies module, is connected with the power module；
PG modules, are connected with the multiple power supplies module；The PG modules include ARM and FPGA, the FPGA generations
LVDS signal outputs
Video card, is connected with the FPGA, for receiving the LVDS signals；
Output interface module, is connected with the video card and multiple power supplies module respectively；And
Display module, is connected with the ARM.
In the above-mentioned technical solutions, the power module includes PC PWR modules and the PG PWR being connected respectively with AC220V
Module.
In the above-mentioned technical solutions, the PC PWR modules are connected with industrial control computer mainboard module.
In the above-mentioned technical solutions, the multiple power supplies module is VDD/VBL PWR modules.
In the above-mentioned technical solutions, the PG PWR modules are connected with multiple power supplies module, are inputted to multiple power supplies module
5V all the way, all the way 18V and VBL power supplys adjustable all the way.
In the above-mentioned technical solutions, multiple power supplies module exports 5V power supplys to PG modules；4 tunnels are exported to output interface module
Adjustable VDD and VBL power supplys.
In the above-mentioned technical solutions, it is logical by TCP/IP connections between the industrial control computer mainboard module and the PG modules
Letter.
In the above-mentioned technical solutions, the video card is LVDS, DP, MIPI, TTL or V-BY-ONE video card.
In addition, the present invention is also provided realizes the method that liquid crystal module is tested by Shoudu Iron and Steel Co counting apparatus, this method includes following
Step：
1), power module access AC220V, output is supplied to the power supply that each road of industrial control computer mainboard module needs, makes industrial computer
Mainboard module normal work；In addition, output all the way 5V, 18V, VBL power supplys adjustable all the way are supplied to VDD/VBL PWR all the way
Plate is used as power supply；
2), multiple power supplies module exports voltage-stabilized power supply 5V power supplys all the way and makees power supply to PG modules, and 4 tunnels of output are adjustable
VDD and VBL power supplys are to output interface module；
3), the 5VV power supplys of PG module inputs access VDD/VBL PWR plates output supply work；In PG ARM/FPGA modules
ARM completes bottom and the communication of man-machine interface display device, and data are transmitted to man-machine interface display device；FPGA is generated by replicating
LVDS signal outputs；
4), video card and FPGA connections, liquid crystal signal output is converted into output interface module by the LVDS signals of input；It is defeated
Liquid crystal signal converting is exported LCD by outgoing interface module；
5), industrial control computer mainboard module is connected by LAN with PG, by TCP/IP communication, keeps industrial computer and PG modules
Remain communication；
6), display module needs to provide the display information that AC220V is powered and industrial computer is provided, and receives industrial computer and PG
Data, and detection industrial computer and PG current operating conditions in real time.
Beneficial effects of the present invention are：
1st, common industrial computer and PG are combined, the compression of volume facilitates the carrying of integrated apparatus, makes LCD moulds
Group carries out media demo, research and development test, mobile test under many space multi-environments.
2nd, industrial computer and PG integrations make full use of chassis space to be laid out, and PCB integration instead of the line between multimode
Material is connected, and a large amount of wire rod auxiliary materials have been gone less, cost is reduced.
3rd, display module is after powering automatically into manipulation software interface, and test LCD shows that same software preview screen is kept
Unanimously, for the observation more vivid hommizations of LCD, multistage rights management software operating area makes operator's controlling equipment more
It is convenient and be unlikely to maloperation damage LCD, while subtracting display module engaged test LCD area of space, filled entirely by all-in-one
Put and be integrally formed.
Brief description of the drawings
Fig. 1 realizes the structured flowchart of the test integrated device of liquid crystal module for the present invention based on industrial computer.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
The present invention realizes that the integrated apparatus of liquid crystal module test includes based on industrial computer：Power module, industrial control computer mainboard
Module, multiple power supplies module, PG modules, video card, output interface module and display module.
Power module used in the present embodiment is AC~D/C power modular converter, including PC PWR being connected respectively with AC220V
Module (selecting specified 300W power supplys) and PG PWR modules (type selecting 600W), input termination AC~220V of two modules；Multiple power supplies
Module is VDD/VBL PWR modules, and PG PWR modules are connected with multiple power supplies module, and 5V all the way is inputted to multiple power supplies module,
18V and VBL power supplys adjustable all the way all the way；PG modules used include ARM and FPGA；Display module used is CRT, and it is inputted
End equally meets AC~220V；Video card used is liquid crystal signal transducer, present invention liquid crystal video card used be LVDS, DP, MIPI,
TTL or V-BY-ONE video cards, LVDS, DP, MIPI, TTL or V-BY-ONE video card selects corresponding video card according to real work.
The attachment structure of above-mentioned each module is as shown in figure 1, be specially：The input of PC PWR modules connects AC220V, defeated
Go out end to be connected with industrial control computer mainboard module；The input connection AC220V of PG PWR modules, output end and VDD/VBL PWR modules
Connection；The input of PG modules is connected with VDD/VBL PWR modules；FPGA generation LVDS signal outputs in PG modules；Video card
It is connected with FPGA, for receiving the LVDS signals connection；Output interface module connects with video card and VDD/VBL PWR modules respectively
Connect；Display module is connected with industrial control computer mainboard.Pass through TCP/IP connection communications between industrial control computer mainboard module and PG modules；PG moulds
Block is communicated by ARM with display module.
The present embodiment is to illustrate the course of work of apparatus of the present invention exemplified by V-BY-ONE video cards：
1st, PC PWR inputs access AC220V, output is supplied to the power supply that each road of PC mainboard modules needs, makes industrial computer
Mainboard module normal work.
2nd, PG PWR inputs access AC220V, output all the way 5V, all the way the adjustable VBL power supplys in 18V, 1 tunnel be supplied to
VDD/VBL PWR plates are used as power supply.
3rd, VDD/VBL PWR plates export voltage-stabilized power supply 5V power supplys all the way and make power supply to PG M/FPGA plates, and 4 tunnels of output are adjustable
VDD the and VBL power supplys of formula give module interface board.
4th, the 5V power supplys of PG ARM/FPGA inputs access VDD/VBL PWR plates output supply work.PG ARM/FPGA moulds
ARM completes bottom and the communication of man-machine interface display device on block, and data are transmitted to man-machine interface display device；FPGA is by replicating
Generate 2 road 4link LVDS signal outputs.
5th, V-BY-ONE video cards are connected on 2 road 4link LVDS output ends, and the LVDS signals of input are converted into V-BY-ONE
Signal output is to module interface board.V-BY-ONE signal convertings are exported LCD by module interface board.The present embodiment selects V-BY-ONE
Signal transducer is realized, exports 4 road 4lane V-BY-ONE signals.
6th, industrial control computer mainboard module is connected by network interface card LAN1 with PG LAN, by TCP/IP communication, keeps industrial computer
Remain and communicate with PG ends, convenient detection PG presences.Industrial control computer mainboard module is available for user normally clear by LAN2 mouthfuls
Look at IE.
7th, display module needs to provide the display information that AC220V is powered and industrial computer is provided, and receives industrial computer and PG modules
Data, and detection industrial computer and PG module current operating conditions in real time facilitates user to control industrial computer and PG modules in real time
Operation.
The present invention needs following steps to LCD tests：
(1) need to install the test software applied to PG Communication Controls at PC ends, PC and PG are entered by LAN1 mouthfuls
Row communication, all fixations can not be changed in the same network segment.
(2) client software is opened, eletric button is opened by triggering PG so that PG power supplys are normally upper electric, client software meeting
It is presence to automatically detect PG, can read PG relative program versions.
(3) user in client, it is necessary to write LCD specifications parameter before test LCD, and triggering LCD parameter editors press
Button enters two grades of dialog boxes, and the power information required for editor's LCD tests, Timing information, test pictures information believes these
Breath is named as a test file after preserving, and exits two grades of dialog boxes.
(4) test file for selecting to edit under test file is selected at first interface, then triggering beginning testing button is held
Row test.
(5) testing tool universal meter is used, oscillograph measures whether integrated testing device is according to user configuring
The information output that information and actual LCD need.If being exported according to user configuration information and actual the LCD information needed, point
Stopping test being hit, the LCD of required test is connected to the output interface LCD1 of module test device, 2,3,4 by connecting line
On, again tap on and start test, can be appreciated that in LCD proper testings, needed if not according to user configuration information and actual LCD
Information output, just check whether the parameters edited of LCD correct.
(6) testing time can be set when LCD tests start, the time is closed automatically to rear LCD, and other LCD are tested again.
Claims (9)
1. a kind of integrated apparatus that liquid crystal module test is realized based on industrial computer, it is characterised in that including：
Power module；
Industrial control computer mainboard module, is connected with the power module；
Multiple power supplies module, is connected with the power module；
PG modules, are connected with the multiple power supplies module；The PG modules include ARM and FPGA, the FPGA generations LVDS letters
Number output；
Video card, is connected with the FPGA, for receiving the LVDS signals；
Output interface module, is connected with the video card and multiple power supplies module respectively；And
Display module, is connected with the ARM.
2. the integrated apparatus of liquid crystal module test is realized based on industrial computer according to claim 1, it is characterised in that：It is described
Power module includes the PC PWR modules and PG PWR modules being connected respectively with AC220V.
3. the integrated apparatus of liquid crystal module test is realized based on industrial computer according to claim 2, it is characterised in that：It is described
PC PWR modules are connected with industrial control computer mainboard module.
4. the integrated apparatus of liquid crystal module test is realized based on industrial computer according to claim 1, it is characterised in that：It is described
Multiple power supplies module is VDD/VBL PWR modules.
5. the integrated apparatus of liquid crystal module test is realized based on industrial computer according to claim 2, it is characterised in that：It is described
PG PWR modules are connected with multiple power supplies module, to multiple power supplies module input 5V all the way, all the way 18V and adjustable all the way
VBL power supplys.
6. the integrated apparatus of liquid crystal module test is realized based on industrial computer according to claim 5, it is characterised in that：Multichannel
Power module exports 5V power supplys to PG modules；The adjustable VDD and VBL power supplys in 4 tunnels are exported to output interface module.
7. the integrated apparatus of liquid crystal module test is realized based on industrial computer according to claim 1, it is characterised in that：It is described
Pass through TCP/IP connection communications between industrial control computer mainboard module and the PG modules.
8. the integrated apparatus of liquid crystal module test, its feature are realized based on industrial computer according to any one of claim 1~7
It is：The video card is LVDS, DP, MIPI, TTL or V-BY-ONE video card.
9. a kind of method that device according to claim 1 realizes liquid crystal module test, it is characterised in that comprise the following steps：
1), power module access AC220V, output is supplied to the power supply that each road of industrial control computer mainboard module needs, makes industrial control computer mainboard
Module normal work；In addition, output all the way 5V, all the way 18V, all the way adjustable VBL power supplys be supplied to VDD/VBL PWR plates to make
Power supply is used；
2), multiple power supplies module exports voltage-stabilized power supply 5V power supplys all the way and makees power supply to PG modules, the adjustable VDD in 4 tunnels of output and
VBL power supplys are to output interface module；
3), the 5V power supplys of PG module inputs access VDD/VBL PWR plates output supply work；ARM is complete in PG ARM/FPGA modules
Communicated into bottom and man-machine interface display device, data are transmitted to man-machine interface display device；FPGA is by replicating generation LVDS
Signal output；
4), video card and FPGA connections, liquid crystal signal output is converted into output interface module by the LVDS signals of input；Output connects
Liquid crystal signal converting is exported LCD by mouth mold block；
5), industrial control computer mainboard module is connected by LAN with PG, by TCP/IP communication, keeps industrial computer and PG modules all the time
Keep communication；
6), display module needs to provide the display information that AC220V is powered and industrial computer is provided, and receives industrial computer and PG data,
And industrial computer and PG current operating conditions are detected in real time.
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| CN113687677A (en) * | 2020-05-19 | 2021-11-23 | 易微行（北京）科技有限公司 | Novel wireless radio frequency simulation relay and method for controlling vehicle to be opened |
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| CN103376577A (en) * | 2013-07-03 | 2013-10-30 | 杨玉峰 | Automatic test method and system for liquid crystal display panel with LVDS (low voltage differential signaling) interface |
| CN103376576A (en) * | 2013-07-03 | 2013-10-30 | 杨玉峰 | Automatic test method and system for liquid crystal display panel with 4k2k V-BY-ONE interface |
| CN103645573A (en) * | 2013-11-22 | 2014-03-19 | 大连日佳电子有限公司 | Liquid crystal display (LCD) detection method and system based on machine vision |
| CN204650094U (en) * | 2015-06-08 | 2015-09-16 | 武汉精测电子技术股份有限公司 | The integrated apparatus of liquid crystal module test is realized based on industrial computer |
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| USH2022H1 (en) * | 1997-04-15 | 2002-05-07 | Eli Lilly And Company | Inositolphosphoryl ceramide (IPC) synthase genes from fungi |
| KR20040055059A (en) * | 2002-12-20 | 2004-06-26 | 삼성전자주식회사 | Apparatus and method for image format conversion |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103376577A (en) * | 2013-07-03 | 2013-10-30 | 杨玉峰 | Automatic test method and system for liquid crystal display panel with LVDS (low voltage differential signaling) interface |
| CN103376576A (en) * | 2013-07-03 | 2013-10-30 | 杨玉峰 | Automatic test method and system for liquid crystal display panel with 4k2k V-BY-ONE interface |
| CN103645573A (en) * | 2013-11-22 | 2014-03-19 | 大连日佳电子有限公司 | Liquid crystal display (LCD) detection method and system based on machine vision |
| CN204650094U (en) * | 2015-06-08 | 2015-09-16 | 武汉精测电子技术股份有限公司 | The integrated apparatus of liquid crystal module test is realized based on industrial computer |
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Address after: 430070 Hubei City, Hongshan Province, South Lake Road, No. 53, Hongshan Venture Center, building on the 4 floor, No. Patentee after: Wuhan fine test electronics group Limited by Share Ltd Address before: 430070 Hubei City, Hongshan Province, South Lake Road, No. 53, Hongshan Venture Center, building on the 4 floor, No. Patentee before: Wuhan Jingce Electronic Technology Co., Ltd. |
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