CN104849885A - Integrated device and method for implementing liquid crystal module test based on industrial personal computer - Google Patents
Integrated device and method for implementing liquid crystal module test based on industrial personal computer Download PDFInfo
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- CN104849885A CN104849885A CN201510310112.1A CN201510310112A CN104849885A CN 104849885 A CN104849885 A CN 104849885A CN 201510310112 A CN201510310112 A CN 201510310112A CN 104849885 A CN104849885 A CN 104849885A
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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 Display Device Control (AREA)
- Liquid Crystal (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention relates to an integrated device and a method for implementing a liquid crystal module test based on an industrial personal computer. The device comprises a power supply module, an industrial personal computer mainboard module, a multi-channel power supply module, a PG (pattern generator) module, a video card, an output interface module and a display module, wherein the industrial personal computer mainboard module is connected with the power supply module; the multi-channel power supply module is connected with the power supply module; the PG module is connected with the multi-channel power supply module; the PG module comprises an ARM and an FPGA, and the FPGA generates LVDSs (low voltage differential signals) to output; the video card is connected with the FPGA and used for receiving the LVDSs; the output interface module is connected with the video card and the multi-channel power supply module; and the display module is connected with the ARM. According to the invention, the daily general industrial personal computer can be integrated with a PG, volume compression more facilitates manufacturers to carry equipment, and normal-temperature tests and mobile tests are conducted under multiple environments. In addition, integration of the industrial personal computer and the PG reduces the additional auxiliary material cost in producing the independent PG.
Description
Technical field
The present invention relates to liquid crystal module testing device, refer to a kind of integrated apparatus and the method that realize liquid crystal module test based on industrial computer particularly, for the test of liquid crystal module LCD lighting.
Background technology
At present, liquid crystal module field is enlivened gradually, and market increases gradually to liquid crystal module demand, and LVDS module is in LCD computer, and on TV, Application comparison is extensive; Along with 4K large-size screen monitors, the ultra high-definition image quality epoch arrive, V-BY-ONE module, DP module, and MIPI module progressively appears in our life, and MIPI module has self low-power consumption, high definition image quality, and two-forty feature applies wide model at mobile device; The relative MIPI module of DP module, LVDS module more step to a new level in signal rate, reach 2.7Gbit/s, are widely used in middle size notebook computer and LCD computer; Self two-forty often pair data transmission 3.75Gbit/s of V-BY-ONE module, wider in the application of oversize LCD TV; It is high that TTL module is that the liquid crystal module occurred the earliest has self stability, and research and development difficulty is relatively low comparatively at present, and price advantage is good, comparatively generally uses in operator panel and car-mounted display field.
But correspondence often researches and develops a above-mentioned new liquid crystal module all needs research staff to carry out lighting experimental test.Usually, for research and development department, liquid crystal module testing device simulation points screen is necessary step, but, it is large that the testing apparatus that some manufacturers provide at present all shows volume, man-machine interface and proving installation separately, and need the cost independent point of purchase screen equipment of more expenses and man-machine interface, are more than unfavorable for mobile test.In addition, auxiliary material application is also many, and increase the cost of manufacturer greatly, and application software needs the parameter item of setting various, the use-pattern that normal operator grasps equipment has more highly difficult.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art and provides a kind of integrated apparatus and the method that realize liquid crystal module test based on industrial computer, this device improves by optimizing power supply the volume reducing proving installation, avoid common PG (pattern generator, picture maker) a large amount of consumptive materials of using, reduce production cost.
The technical scheme realizing the object of the invention employing is a kind of integrated apparatus realizing liquid crystal module test based on industrial computer, and this device comprises:
Power module;
Industrial control computer mainboard module, is connected with described power module;
Multiple power supplies module, is connected with described power module;
PG module, with described multiple power supplies model calling; Described PG module comprises ARM and FPGA, and described FPGA generates LVDS signal and exports
Video card, is connected with described FPGA, for receiving described LVDS signal;
Output interface module, respectively with described video card and multiple power supplies model calling; And
Display module, is connected with described ARM.
In technique scheme, described power module comprises the PC PWR module and PG PWR module that are connected with AC220V respectively.
In technique scheme, described PC PWR module and industrial control computer mainboard model calling.
In technique scheme, described multiple power supplies module is VDD/VBL PWR module.
In technique scheme, described PG PWR module and multiple power supplies model calling, input a road 5V to multiple power supplies module, the adjustable VBL power supply of a road 18V and a road.
In technique scheme, multiple power supplies module exports 5V power supply to PG module; Adjustable VDD and the VBL power supply in 4 tunnels is exported to output interface module.
In technique scheme, be connected by TCP/IP between described industrial control computer mainboard module with described PG module and communicate.
In technique scheme, described video card is LVDS, DP, MIPI, TTL or V-BY-ONE video card.
In addition, the present invention also provides the method being realized liquid crystal module test by Shoudu Iron and Steel Co counting apparatus, and the method comprises the following steps:
1), power module access AC220V, export the power supply being supplied to each road of industrial control computer mainboard module and needing, industrial control computer mainboard module normally worked; In addition, export the adjustable VBL power supply in a road 5V, a road 18V, a road to be supplied to VDD/VBL PWR plate and to make power supply and use;
2), multiple power supplies module exports a road stabilized voltage supply 5V power supply and makes power supply to PG module, exports adjustable VDD and the VBL power supply in 4 tunnels to output interface module;
3) the 5VV power supply that, PG module input access VDD/VBL PWR plate exports supplies work; In PG ARM/FPGA module, ARM completes bottom and communicates with man-machine interface display device, to man-machine interface display device transmission data; FPGA generates the output of LVDS signal by copying;
4), video card is connected with FPGA, the LVDS signal of input is converted into liquid crystal signal and exports output interface module to; Liquid crystal signal converting is exported LCD by output interface module;
5), industrial control computer mainboard module is connected with PG by LAN (Local Area Network), by tcp/ip communication, keeps industrial computer and PG module to remain communication;
6), display module needs the display information that provides AC220V to power and industrial computer provides, receives the data of industrial computer and PG, and detects industrial computer and PG current operating conditions in real time.
Beneficial effect of the present invention is:
1, common industrial computer and PG are combined, the compression of volume facilitates carrying of integrated apparatus, makes LCD module carry out media demo under the multi-environment of many spaces, research and development test, mobile test.
2, industrial computer and PG integration make full use of chassis space layout, and the wire rod that the integration of PCB instead of between multimode connects, and has removed the auxiliary material of a large amount of wire rod less, has decreased cost.
3, display module enters manipulation software interface after powering automatically, test LCD display is consistent with software preview screen, for the more vivid hommization of observation LCD, multistage rights management software operating area, make operator's controlling equipment more convenient and be unlikely to maloperation damage LCD, deduct the area of space of display module engaged test LCD simultaneously, entirely one-body molded by integrative machine.
Accompanying drawing explanation
Fig. 1 the present invention is based on the structured flowchart that industrial computer realizes the testing integrated gasifying device of liquid crystal module.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
The present invention is based on industrial computer realize liquid crystal module test integrated apparatus comprise: power module, industrial control computer mainboard module, multiple power supplies module, PG module, video card, output interface module and display module.
The present embodiment power module used is AC ~ DC power transfer module, comprises the PC PWR module (selecting specified 300W power supply) and PG PWR module (type selecting 600W) that are connected with AC220V respectively, the input termination AC ~ 220V of two modules; Multiple power supplies module is VDD/VBL PWR module, and PGPWR module and multiple power supplies model calling input a road 5V to multiple power supplies module, the adjustable VBL power supply of a road 18V and a road; PG module used comprises ARM and FPGA; Display module used is CRT, and its input end meets AC ~ 220V equally; Video card used is liquid crystal signal transducer, and the present invention's liquid crystal video card used is LVDS, DP, MIPI, TTL or V-BY-ONE video card, LVDS, DP, MIPI, TTL or V-BY-ONE video card, selects corresponding video card according to real work.
The syndeton of above-mentioned each module as shown in Figure 1, is specially: the input end of PC PWR module connects AC220V, output terminal and industrial control computer mainboard model calling; The input end of PG PWR module connects AC220V, output terminal and VDD/VBL PWR model calling; The input end of PG module and VDD/VBL PWR model calling; FPGA in PG module generates LVDS signal and exports; Video card is connected with FPGA, connects for receiving described LVDS signal; Output interface module respectively with video card and VDD/VBL PWR model calling; Display module is connected with industrial control computer mainboard.Be connected by TCP/IP between industrial control computer mainboard module with PG module and communicate; PG module is communicated with display module by ARM.
The present embodiment is V-BY-ONE video card is the course of work that example illustrates apparatus of the present invention:
1, PC PWR input end access AC220V, exports the power supply being supplied to each road of PC mainboard module and needing, industrial control computer mainboard module is normally worked.
2, PG PWR input end access AC220V, exports the adjustable VBL power supply in a road 5V, a road 18V, 1 tunnel and is supplied to VDD/VBL PWR plate and makes power supply and use.
3, VDD/VBL PWR plate exports a road stabilized voltage supply 5V power supply and makes power supply to PG M/FPGA plate, exports adjustable VDD and the VBL power supply in 4 tunnels to module interface board.
4, the 5V power supply that PG ARM/FPGA input end access VDD/VBL PWR plate exports supplies work.In PG ARM/FPGA module, ARM completes bottom and communicates with man-machine interface display device, to man-machine interface display device transmission data; FPGA exports by copying generation 2 road 4link LVDS signal.
5, V-BY-ONE video card is connected on 2 road 4link LVDS output terminals, the LVDS signal of input is converted into V-BY-ONE signal and exports module interface board to.V-BY-ONE signal converting is exported LCD by module interface board.The present embodiment selects V-BY-ONE signal transducer to realize, and exports 4 road 4laneV-BY-ONE signals.
6, industrial control computer mainboard module is connected by the LAN of network interface card LAN1 and PG, by tcp/ip communication, keeps industrial computer and PG to hold and remains communication, convenient detection PG presence.Industrial control computer mainboard module can supply user normal browsing IE by LAN2 mouth.
7, display module needs the display information that provides AC220V to power and industrial computer provides, receives the data of industrial computer and PG module, and detects industrial computer and PG module current operating conditions in real time, facilitates user to control the operation of industrial computer and PG module in real time.
The present invention needs following steps to LCD test:
(1) need to install at PC end the testing software be applied to PG Communication Control, PC and PG carries out communication by LAN1 mouth, is all fixedly can not revise at the same network segment.
(2) open client software, open eletric button by triggering PG, PG power supply is normally powered on, and client software can detect that PG is presence automatically, can read PG relative program version.
(3) user is before test LCD, need the specifications parameter writing LCD in client, trigger LCD parameter Edit button and enter secondary dialog box, power information required for editor LCD test, Timing information, test pictorial information, called after test file after these information being preserved, exits secondary dialog box.
(4) under test file is selected at first interface, select the test file editted, then trigger beginning testing button and perform test.
(5) use testing tool multimeter, whether integrated test electricity testing device measured by oscillograph is that the information needed according to user configured information and actual LCD exports.If the information output needed according to user configuration information and actual LCD, click and stop test, the LCD of required test is connected to the output interface LCD1 of module proving installation by connecting line, 2,3, on 4, again click and start test, can see in LCD proper testing, export if not the information needed according to user configuration information and actual LCD, just check that whether the parameter that LCD edits is correct.
(6) can set the test duration when LCD test starts, the time closes automatically to rear LCD, again tests other LCD.
Claims (9)
1. realize an integrated apparatus for liquid crystal module test based on industrial computer, it is characterized in that, comprising:
Power module;
Industrial control computer mainboard module, is connected with described power module;
Multiple power supplies module, is connected with described power module;
PG module, with described multiple power supplies model calling; Described PG module comprises ARM and FPGA, and described FPGA generates LVDS signal and exports;
Video card, is connected with described FPGA, for receiving described LVDS signal;
Output interface module, respectively with described video card and multiple power supplies model calling; And
Display module, is connected with described ARM.
2. realize the integrated apparatus of liquid crystal module test according to claim 1 based on industrial computer, it is characterized in that: described power module comprises the PC PWR module and PGPWR module that are connected with AC220V respectively.
3. realize the integrated apparatus of liquid crystal module test according to claim 2 based on industrial computer, it is characterized in that: described PC PWR module and industrial control computer mainboard model calling.
4. realize the integrated apparatus of liquid crystal module test according to claim 1 based on industrial computer, it is characterized in that: described multiple power supplies module is VDD/VBL PWR module.
5. realize the integrated apparatus of liquid crystal module test according to claim 4 based on industrial computer, it is characterized in that: described PG PWR module and multiple power supplies model calling, input a road 5V to multiple power supplies module, the adjustable VBL power supply of a road 18V and a road.
6. realize the integrated apparatus of liquid crystal module test according to claim 5 based on industrial computer, it is characterized in that: multiple power supplies module exports 5V power supply to PG module; Adjustable VDD and the VBL power supply in 4 tunnels is exported to output interface module.
7. realize the integrated apparatus of liquid crystal module test according to claim 1 based on industrial computer, it is characterized in that: be connected by TCP/IP between described industrial control computer mainboard module with described PG module and communicate.
8. according to any one of claim 1 ~ 7, realize the integrated apparatus of liquid crystal module test based on industrial computer, it is characterized in that: described video card is LVDS, DP, MIPI, TTL or V-BY-ONE video card.
9. device realizes a method for liquid crystal module test according to claim 1, it is characterized in that comprising the following steps:
1), power module access AC220V, export the power supply being supplied to each road of industrial control computer mainboard module and needing, industrial control computer mainboard module normally worked; In addition, export the adjustable VBL power supply in a road 5V, a road 18V, a road to be supplied to VDD/VBL PWR plate and to make power supply and use;
2), multiple power supplies module exports a road stabilized voltage supply 5V power supply and makes power supply to PG module, exports adjustable VDD and the VBL power supply in 4 tunnels to output interface module;
3) the 5VV power supply that, PG module input access VDD/VBL PWR plate exports supplies work; In PG ARM/FPGA module, ARM completes bottom and communicates with man-machine interface display device, to man-machine interface display device transmission data; FPGA generates the output of LVDS signal by copying;
4), video card is connected with FPGA, the LVDS signal of input is converted into liquid crystal signal and exports output interface module to; Liquid crystal signal converting is exported LCD by output interface module;
5), industrial control computer mainboard module is connected with PG by LAN (Local Area Network), by tcp/ip communication, keeps industrial computer and PG module to remain communication;
6), display module needs the display information that provides AC220V to power and industrial computer provides, receives the data of industrial computer and PG, and detects industrial computer and PG current operating conditions in real time.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108053784A (en) * | 2017-12-21 | 2018-05-18 | 苏州华兴源创电子科技有限公司 | A kind of test system and method for high speed image signal source |
| 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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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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