CN109032260A - A kind of ruggedized monitor based on Ground Application - Google Patents
A kind of ruggedized monitor based on Ground Application Download PDFInfo
- Publication number
- CN109032260A CN109032260A CN201810990018.9A CN201810990018A CN109032260A CN 109032260 A CN109032260 A CN 109032260A CN 201810990018 A CN201810990018 A CN 201810990018A CN 109032260 A CN109032260 A CN 109032260A
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- Prior art keywords
- display
- liquid crystal
- interface
- power supply
- voltage
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
A kind of ruggedized monitor based on Ground Application, including display case, the front panel of display case is equipped with liquid crystal display, the rear panel of display case is equipped with video input interface and power interface, it carries out taking electricity by power interface and is input to the display power supply inside display case, video input signals are obtained by video input interface, video input signals are sent to the display control board inside display case and are converted to liquid crystal display driving signal；Input current is converted to the electric current that can be shown control panel and liquid crystal display and use by the display power supply；The front panel of the display case is equipped with the switch that can control display power supply and can operate the keypad of liquid crystal display by display control board.Flexible design of the present invention, high reliablity, can customize different sizes, shape and interface according to the different demands of user.
Description
Technical field
The present invention relates to surface computer systems, and in particular to a kind of ruggedized monitor based on Ground Application.
Background technique
Display is the important peripheral hardware of surface computer system, at present display on the market mainly select technical grade or
Then the liquid crystal display of business level is reinforced by the later period, improves its Performance And Reliability to meet the needs of weapon system.
This generates a problems, since the reliability of product is not high, along with display is outsourcing product, cause to produce
The failure that product generate in the presence of a harsh environment can not be positioned and be excluded in time, and then be unable to reach autonomous controllable demand.
Summary of the invention
It is an object of the invention to be directed to above-mentioned the problems of the prior art, it is aobvious to provide a kind of reinforcing based on Ground Application
Show device, realizes the agile kernel model of surface computer system display, improve the adaptive capacity to environment and reliability of display.
To achieve the goals above, the technical solution adopted by the present invention are as follows: including display case, before display case
Panel is equipped with liquid crystal display, and the rear panel of display case is equipped with video input interface and power interface, passes through power supply
Interface carries out taking electricity and is input to the display power supply inside display case, obtains video input letter by video input interface
Number, video input signals are sent to the display control board inside display case and are converted to liquid crystal display driving signal；Institute
The display power supply stated, which converts input voltage into, can be shown the voltage that control panel and liquid crystal display use；Described is aobvious
Show that the front panel of device cabinet is equipped with the switch that can control display power supply and can operate liquid crystal by display control board
The keypad of display screen.
Ruggedized monitor is answered when material is selected according to " ground is reviewed with component and postsearch screening technical conditions "
It tests and screens.Display component carries out design of Reducing Rating according to " GJB/Z 35-1993 component derating criteria ", and derating level is equal
Reach II grades or more.The rear panel of the display case is equipped with insurance terminals and safely terminals.Before coming into operation
It is suitable to carry out temperature cycles screening test, random vibration screening test, ageing operation test, three proofings, thermocycling and power supply
Answering property is tested.
Preferably, the present invention is based on the ruggedized monitors of Ground Application when carrying out taking electricity by power interface, in order to anti-
Only short circuit causes the damage of product, and the protective tube that 3A is arranged protects product；In order to avoid caused by external power supply fluctuation
Interference, the alternating current filter that 3A is arranged carry out shaping filter to external power supply.
Preferably, the video input interface uses USB interface, and VGA signal is converted to and can be driven by display control board
The LVDS signal of hydrodynamic crystal display screen.Power interface is able to carry out 220V exchange and takes electricity, and it is straight that display power supply is converted into 12V
Galvanic electricity.The display control board includes NT68667UFG liquid crystal drive IC chip, and NT68667UFG liquid crystal drive IC chip connects
It connects SPI interface Flash chip and is equipped with display button mouth, RS232 debugging mouth, USB interface, DVI interface and LVDS interface；Institute
The display control board stated includes LM2596S-5.0 module and LT1764-3.3 module, and LM2596S-5.0 module is by display power supply
The 12V voltage of output is converted to 5V voltage, and 5V voltage is converted into 3.3V voltage by LT1764-3.3 module；Wherein, 12V voltage is used
LVDS interface power supply inside backlight power supply and liquid crystal display inside liquid crystal display；5V voltage is used for RS232 tune
Try the LVDS interface power supply inside confession electricity and liquid crystal display；3.3V voltage is used for NT68667UFG liquid crystal drive IC chip
I/O interface power supply and liquid crystal display inside LVDS interface power supply.
Have compared with prior art, the present invention has following beneficial effect: by the display case of setting sealing, by liquid
Crystal display screen is mounted on the front panel of display case, and the rear panel of display case is equipped with video input interface and power supply
Interface obtains video input signals by video input interface, and video input signals are sent to the display inside display case
Control panel is simultaneously converted to liquid crystal display driving signal, realizes that image is shown eventually by liquid crystal display.The present invention designs spirit
Living, high reliablity can customize different sizes, shape and interface according to the different demands of user, realize internal crucial board
Autonomous Design.
Further, inventive display is when material is selected according to " ground is reviewed with component and postsearch screening technology
Condition " it is reviewed and is screened, the component of display carries out drop volume according to " GJB/Z 35-1993 component derating criteria " and sets
Meter, derating level reaches II grade or more, the test of trip temperature Cycle Screening, random vibration screening test, always of advancing of coming into operation
Operation test, three proofings, thermocycling and power adaptation test are refined, by the reliability for identifying and verifying raising device.
Further, the invention shows the NT68667UFG liquid crystal drive IC chips of control panel to be equipped with USB interface, DVI connects
Mouth and LVDS interface are not only suitable for VGA analog video input signal, are suitable for the input of DVI digital video again, be not only suitable for 6/
The output of 8bit single channel LVDS video is suitable for the output of 6/8bit binary channels LVDS video again.
Further, ruggedized monitor of the invention is using designing floatingly, i.e., will digitally be safely isolated,
The rear panel of display case is equipped with safely terminals, can effectively prevent from interference safely.
Detailed description of the invention
The structure composition block diagram of Fig. 1 inventive display；
The invention shows the functional block diagrams of control panel by Fig. 2；
In attached drawing: 1- video input interface；2- power interface；3- display power supply；4- display control board；5- liquid crystal display
Screen；6- keypad；7- switch；8- safely terminals；9- insures terminals.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings.
Referring to Fig. 1, the ruggedized monitor the present invention is based on Ground Application includes display case, before display case
Plate is equipped with liquid crystal display 5, and the rear panel of display case is equipped with video input interface 1, power interface 2, insurance wiring
End 9 and safely terminals 8.Power supply is flowed to, 220V exchange is carried out from the rear panel power interface 2 of ruggedized monitor and takes
Electricity, then inputs to ruggedized monitor power supply 3 after protective tube and filter, and ruggedized monitor power supply 3 exchanges 220V defeated
Enter to be converted into 12V DC power supply used in control panel 4 and liquid crystal display 5 available for display.
For signal flow, VGA signal is inputted from the rear panel video input interface 1 of ruggedized monitor, is controlled by display
The processing of making sheet 4, to be converted into the LVDS signal that can drive liquid crystal display 5.On the front panel of inventive display cabinet
Equipped with the switch 7 that can control display power supply 3 and the keypad of the operation liquid crystal display 5 of display control board 4 can be passed through
6, keypad 6 such as can be realized the automatic adjustment of display, add, subtract, adjustment, switch is arranged at the movement.
Liquid crystal display 5 is a more stable reliable component for display, considers further that its higher work
Skill is horizontal, therefore selects the widescreen of SHARP producer, wide temperature, super brightness, long-life light, high-resolution liquid crystal display.
Referring to fig. 2, the video input interface 1 of inventive display cabinet uses USB interface, and VGA signal is by display control
Making sheet 4 is converted to the LVDS signal that can drive liquid crystal display 5.Display control board 4 of the invention includes NT68667UFG liquid crystal
Driving IC chip, NT68667UFG liquid crystal drive IC chip connect SPI interface Flash chip and are equipped with display button mouth, RS232
Debugging mouth, USB interface, DVI interface and LVDS interface.Display control board 4 includes LM2596S-5.0 module and LT1764-3.3
The 12V voltage that display power supply 3 exports is converted to 5V voltage by module, LM2596S-5.0 module, and LT1764-3.3 module is by 5V
Voltage is converted into 3.3V voltage.Wherein, the 12V voltage of output is for the backlight power supply and liquid crystal inside liquid crystal display 5
LVDS interface power supply inside display screen 5；LVDS of the 5V voltage for inside the power supply of RS232 debugging mouth and liquid crystal display 5 connects
Confession electricity；Inside I/O interface power supply and liquid crystal display 5 of the 3.3V voltage for NT68667UFG liquid crystal drive IC chip
LVDS interface power supply.
Display control board is for driving and controlling liquid crystal display panel, by the simulative display signal or digital displaying signal of computer
It is passed to display control board, the control chip on display control board is zoomed in and out to display signal and color treatments, finally by LVDS
Signal is transferred to liquid crystal display panel, realizes that the image on liquid crystal display panel is shown.Display case is designed using sealed cabinet, shape ruler
The very little cabinet that can install 19 inches of standard.In reliability design, according to " ground component when the material of display selects
Review and postsearch screening technical conditions " it is reviewed and is screened.In component design of Reducing Rating, the component foundation of display
" GJB/Z35-1993 component derating criteria " carries out design of Reducing Rating, and derating level reaches II grades or more.Again, using floatingly
Design, i.e., will digitally be safely isolated, prevent from interference safely；Finally, being wanted according to ruggedized monitor
The environmental quality of application carries out temperature cycles screening test, random vibration screening test, ageing operation examination before being put into use
It tests, three proofings, thermocycling, power adaptation are tested and the every verification experimental verification of examination etc. of dispatching from the factory.
Flexible design of the present invention, internal display control board are not only suitable for VGA analog video input signal, are suitable for again
The input of DVI digital video；It is not only suitable for the output of 6/8bit single channel LVDS video, is suitable for 6/8bit binary channels LVDS video again
Output.Due to being controlled in terms of material, component drop volume and environmental suitability, the present invention has high reliability,
And each qualification test and type product verifying are passed through；Secondly, the present invention is flexible in application, it can be according to the different need of user
It asks, customizes out the reinforcing escope of different sizes, shape and interface.
Claims (9)
1. a kind of ruggedized monitor based on Ground Application, it is characterised in that: including display case, before display case
Plate is equipped with liquid crystal display (5), and the rear panel of display case is equipped with video input interface (1) and power interface (2), is led to
It crosses power interface (2) to carry out taking electricity and be input to the display power supply inside display case (3), passes through video input interface
(1) video input signals are obtained, video input signals are sent to the display control board (4) inside display case and are converted to liquid
Crystal display screen driving signal；The display power supply (3), which converts input voltage into, can be shown control panel (4) and liquid crystal
The voltage that display screen uses；The front panel of the display case is equipped with the switch (7) that can control display power supply (3)
And the keypad (6) of liquid crystal display (5) can be operated by display control board (4).
2. according to claim 1 based on the ruggedized monitor of Ground Application, it is characterised in that: display is when material selects
It is reviewed and is screened according to " ground is reviewed with component and postsearch screening technical conditions ".
3. according to claim 1 based on the ruggedized monitor of Ground Application, it is characterised in that: the component foundation of display
" GJB/Z 35-1993 component derating criteria " carries out design of Reducing Rating, and derating level reaches II grades or more.
4. according to claim 1 based on the ruggedized monitor of Ground Application, it is characterised in that: after the display case
Panel is equipped with insurance terminals (9) and safely terminals (8).
5. according to claim 1 based on the ruggedized monitor of Ground Application, it is characterised in that: come into operation the trip temperature that advances
Cycle Screening test, random vibration screening test, ageing operation test, three proofings, thermocycling and power adaptation test.
6. according to claim 1 based on the ruggedized monitor of Ground Application, it is characterised in that: taken by power interface (2)
The voltage obtained passes through protective tube and filter input display power supply (3).
7. according to claim 1 based on the ruggedized monitor of Ground Application, it is characterised in that: video input interface (1) is adopted
With USB interface, VGA signal is converted to the LVDS signal that can drive liquid crystal display (5) by display control board (4).
8. according to claim 1 based on the ruggedized monitor of Ground Application, it is characterised in that: the power interface (2)
It is able to carry out 220V electric main and takes electricity, input current is converted to 12V DC electricity by display power supply (3).
9. according to claim 8 based on the ruggedized monitor of Ground Application, it is characterised in that: the display control board
It (4) include NT68667UFG liquid crystal drive IC chip, NT68667UFG liquid crystal drive IC chip connects SPI interface Flash chip
And it is equipped with display button mouth, RS232 debugging mouth, USB interface, DVI interface and LVDS interface；The display control board (4)
Including LM2596S-5.0 module and LT1764-3.3 module, the 12V that LM2596S-5.0 module exports display power supply (3) is electric
Pressure is converted to 5V voltage, and 5V voltage is converted into 3.3V voltage by LT1764-3.3 module；Wherein, 12V voltage is used for liquid crystal display
Shield the LVDS interface power supply of (5) internal backlight power supply and liquid crystal display (5) inside；5V voltage is used for RS232 debugging mouth
Power supply and the LVDS interface power supply of liquid crystal display (5) inside；3.3V voltage is used for NT68667UFG liquid crystal drive IC chip
I/O interface power supply and the internal LVDS interface power supply of liquid crystal display (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810990018.9A CN109032260A (en) | 2018-08-28 | 2018-08-28 | A kind of ruggedized monitor based on Ground Application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810990018.9A CN109032260A (en) | 2018-08-28 | 2018-08-28 | A kind of ruggedized monitor based on Ground Application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109032260A true CN109032260A (en) | 2018-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810990018.9A Pending CN109032260A (en) | 2018-08-28 | 2018-08-28 | A kind of ruggedized monitor based on Ground Application |
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| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201181553Y (en) * | 2008-04-15 | 2009-01-14 | 中国船舶重工集团公司第七○九研究所 | Reinforcement type big screen intelligent LCD display terminal |
| CN202473192U (en) * | 2011-11-25 | 2012-10-03 | 上为（福建）电子有限公司 | Drive control panel of liquid crystal display |
| CN204270209U (en) * | 2014-12-22 | 2015-04-15 | 山东超越数控电子有限公司 | A kind of carrier-borne large-size screen monitors display reinforcement type all-in-one |
| CN205900015U (en) * | 2016-05-06 | 2017-01-18 | 厦门碧驰信息科技有限公司 | LCD for boats and ships |
| CN206282597U (en) * | 2016-12-23 | 2017-06-27 | 深圳市维冠视界科技股份有限公司 | Video display apparatus |
-
2018
- 2018-08-28 CN CN201810990018.9A patent/CN109032260A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201181553Y (en) * | 2008-04-15 | 2009-01-14 | 中国船舶重工集团公司第七○九研究所 | Reinforcement type big screen intelligent LCD display terminal |
| CN202473192U (en) * | 2011-11-25 | 2012-10-03 | 上为（福建）电子有限公司 | Drive control panel of liquid crystal display |
| CN204270209U (en) * | 2014-12-22 | 2015-04-15 | 山东超越数控电子有限公司 | A kind of carrier-borne large-size screen monitors display reinforcement type all-in-one |
| CN205900015U (en) * | 2016-05-06 | 2017-01-18 | 厦门碧驰信息科技有限公司 | LCD for boats and ships |
| CN206282597U (en) * | 2016-12-23 | 2017-06-27 | 深圳市维冠视界科技股份有限公司 | Video display apparatus |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181218 |
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| RJ01 | Rejection of invention patent application after publication |