CN203143009U

CN203143009U - Novel airborne display

Info

Publication number: CN203143009U
Application number: CN 201220724124
Authority: CN
Inventors: 李伟; 王勇; 李子君
Original assignee: CNAC (SUZHOU) RADAR AND ELECTRONIC TECHNOLOGY Co Ltd
Current assignee: CNAC (SUZHOU) RADAR AND ELECTRONIC TECHNOLOGY Co Ltd
Priority date: 2012-12-25
Filing date: 2012-12-25
Publication date: 2013-08-21
Anticipated expiration: 2022-12-25

Abstract

The utility model belongs to a display technology of an airborne display, and relates to an airborne liquid crystal display which adopts infrared touch and partition display, and has high reliability. The airborne display comprises a function module used for display and control, as well as a casing used for mounting and accommodating the function module, wherein the function module comprises a power supply module, a display control module, a pattern control module, a screen control and video processing module, an infrared touch module and a liquid crystal display module; and two sets of independent function circuits are configured in the power supply module, the display control module, the pattern control module and the infrared touch module, and correspond to two independently driving display partitions of the liquid crystal display module. The airborne display provided by the utility model is large in display area, high in luminance and strong in environmental disturbance resistance and reliability, adopts a dual redundancy design, and backups hardware.

Description

The novel airborne telltale

Technical field

The utility model belongs to the airborne indicator technique of display, relates to a kind of airborne Liquid Crystal Display (LCD) that adopts infrared touch, subregion demonstration, high reliability.

Background technology

Telltale is the key equipment that the aviator obtains aspect navigation information, mission bit stream, situation of battlefield.Development along with display control program, the integrated degree in cabin is more and more higher, and telltale then is to develop to compact, integrated-type direction, is example with the opportunity of combat F35 of U.S. army, whole driving compartment has only a big telltale, and all parameter informations all come processes and displays by this telltale.The present technology of the research of China's large screen display is comparative maturity also, can be applied on the relevant type.

The general size of conventional airplane airborne indicator is less, and the LCDs of the airborne indicator of present domestic maximum is of a size of 15 inch telltales, exists display area little in actual use, and picture shows that quantity of information is few, the shortcoming that mission reliability is low.Existing telltale in case the information capacity of display frame is excessive, will have a strong impact on aviator's interpretation because display area is little, and individual monitor can only show and comprises the less picture of quantity of information, can't show to comprise the bigger single width picture of quantity of information.

The advantage of large screen display is integrated level height, conserve space and low in energy consumption.Originally before the cabin seats on the control panel all telltale instrument interfaces all be integrated on the large screen display and show, so a width of cloth picture of large screen display has comprised several little sub-display interfaces.Originally the action button of telltale is touched by menu and replaces, and only stays several essential buttons.

The utility model content

The purpose of this utility model is: the novel airborne telltale that a kind of large scale, High Performance, high reliability are provided.

The technical solution of the utility model is: a kind of novel airborne telltale, comprise for the functional module that shows and control with for the housing of accommodating functional module is installed, described functional module comprises power module, display control module, figure control module, screen control and video processing module, infrared touch module, LCD MODULE, wherein, independently functional circuit is overlapped in power module, display control module, pattern process module and infrared touch inside modules configuration 2, and corresponding with the demonstration subregion of 2 individual drive of LCD MODULE.

Being used for installing the housing of accommodating functional module is made up of housing structure spare, upper cover plate framing member and base arrangement spare.

Be mounted alternately with infrared transmitting tube and infrared receiving tube around in the touch-screen matrix housing, the relevant position on each limit, infrared transmitting tube opposite is infrared receiving tube.

Screen control and video processing module mainly comprise backlight control circuit and video processing circuits two large divisions, and backlight control and driving circuit adopt the form and the video processing circuits that break away from LCD assembly to integrate.

The length and width size of viewing area is fit to the passenger cabin of aircraft, just in time is covered with instrument carrier panel.

Technique effect of the present utility model is: the utility model airborne indicator can provide the picture complexity for the aviator, and a plurality of pictures that quantity of information is full are aviator's good man-machine communication's equipment in flight course.Main operating function adopts the infrared touch mode to finish, and friendly interface is directly perceived.The utility model airborne indicator performance is powerful, and the brightness height can be under complex environments such as sunlight direct projection telltale, and clear demonstration is readable strong.The display interior vitals all has backup, even et out of order, except LCD MODULE, in other functional module any one breaks down, airborne indicator all can keep normal operation, and (annotate: control circuit is single for video and screen when going wrong, to cause half screen picture display abnormality, half screen still can provide the picture of necessity for the aviator in addition, for the aviator submits necessary information).

Description of drawings

Fig. 1 is the structural representation of the utility model airborne indicator;

Fig. 2 is the two redundant principle schematic of infrared touch panel;

Fig. 3 is the two redundant scheme drawings of infrared array structure;

Fig. 4 is the two redundancy structure scheme drawings of driving circuit;

Fig. 5 is the large screen display reliability block diagram.

1. infrared touch modules among the figure, 2. housing structure spare, 3. upper cover plate framing member, 4. power module, 5. display control module, 6. figure control module, 7. screen control and video processing module, 9. base arrangement spare, 10 LCD MODULEs.

The specific embodiment

Below by specific embodiment the utility model is described in detail:

See also Fig. 1, it is the structural representation figure of the utility model airborne indicator.The utility model airborne indicator comprises infrared touch module 1, housing structure spare 2, upper cover plate framing member 3, power module 4, display control module 5, figure control module 6, screen control and video processing module 7, interconnecting module, base arrangement spare 9 and LCD MODULE 10.Wherein, infrared touch module 1, power module 4, display control module 5, figure control module 6, screen control and video processing module 7 and LCD MODULE 10 constitute the functional module of airborne indicator, and housing structure spare 2, upper cover plate framing member 3 and base arrangement spare 9 constitute the display housing of accommodating the installation function module.

The utility model airborne indicator has big viewing area, and display sizes is about 21.5 inch, can show the complicated picture of single width (for example situation of battlefield etc.).Simultaneously, the length and width size of airborne indicator viewing area is fit to the passenger cabin of most of aircrafts, just in time is covered with instrument carrier panel, does not influence the installation of other airborne equipment simultaneously.

Airborne indicator has infrared touch control function, and is easy to operate in use, the aviator directly with hand or be with gloves all can be on screen image switching, moving image amplifies picture etc., uses directly perceived quick.

LCD screen backlight carries out the high brightness design, adopts high brightness backlights, uses the LED light emitting source, makes that the aviator still can read picture clearly when sun direct projection telltale.And being mounted alternately with infrared transmitting tube and infrared receiving tube around in the infrared touch panel matrix housing, the relevant position on each limit, infrared transmitting tube opposite is infrared receiving tube.When being in the high light environment, infrared receiving tube on two opposite side can not be subjected to high light simultaneously and disturb, rotate tracking sampling by system, judge the high light interference radiating way, when judging high light and disturbing certain receiving function limit, this limit is switched to the sending function limit, the limit relative with it switches to the receiving function limit, thereby can thoroughly solve the anti-ambient light interference of surround lighting, but normally use at high-altitude high light environment full angle.

In addition, the utility model airborne indicator adopt two redundant, the power supplys of two redundant, the driving circuits of infrared device array two redundant, serial communication is two redundant, when guaranteeing that any one road circuit sensor components and parts damage, but normal operation still.

As shown in Figure 3, adopted 2 covers two redundancy structures of infrared, transmitter-receiver spare fully independently separately, guaranteed that a certain cover damages, but circuit normal operation still.

As shown in Figure 4, adopt 2 covers two redundancy structures of independent driving circuits fully separately, guarantee a certain cover damage, but circuit normal operation still.

Two-way power supply power supply obtains 5V voltage through power conversion chip, supplies with each function module circuit of infrared touch panel, and power conversion chip adopts two Redundancy Design, guarantees that a certain road does not power, and automatically switches to another road power supply, but circuit normal operation still.

Adopt 2 cover serial ports outputs, guarantee that a certain cover damages, but circuit normal operation still.

The utility model airborne indicator carries out the remaining design to key function module, and emphasis is considered power supply, backlight drive, interface, graphics generation circuit etc., thereby improves the mission reliability of product.Display terminal shows that selecting integrated whole screen, this liquid crystal display to have subregion drives Presentation Function, does not influence the demonstration on other one side when the fault of left and right subregion one side.The functional module of telltale comprises power module, display control module, figure control module, screen control and video processing module, infrared touch module, LCD MODULE.Wherein, screen control and video processing module mainly comprise backlight control circuit and video processing circuits two large divisions, the form of the backlight control of product and driving circuit employing disengaging LCD assembly and video processing circuits are together, be integrated into screen control and video processing module, realize two remaining designs in the cabinet of product rear portion, two remainings here do not comprise video conversion circuit.For power module, display control module, pattern process module and infrared touch module, product internal configurations 2 is overlapped independently functional circuit, be responsible for outward sign is carried out dissection process, after finishing power supply conversion, figure generation, video processing and selection, send 2 of read-out to show that subregion shows respectively image.2 cover functional modules can be finished system reconfiguration according to the redundancy management rule when the system failure, its reliability block diagram as shown in Figure 5.

Divide two viewing areas about the utility model airborne indicator is pressed in sum, but individual drive, and the key function module of telltale adopts the remaining design, thereby has improved the mission reliability of product.Display panel has subregion and drives Presentation Function, does not influence the demonstration on other one side when the fault of left and right subregion one side.Product internal configurations 2 is overlapped independently functional module, and 2 cover functional modules can be finished system reconfiguration according to the redundancy management rule when the system failure, send 2 of read-out to show that subregion shows to have bigger actual application value respectively image.

Claims

1. novel airborne telltale, comprise for the functional module that shows and control with for the housing of accommodating functional module is installed, described functional module comprises power module, display control module, figure control module, screen control and video processing module, infrared touch module, LCD MODULE, it is characterized in that, independently functional circuit is overlapped in power module, display control module, pattern process module and infrared touch inside modules configuration 2, and corresponding with the demonstration subregion of 2 individual drive of LCD MODULE.

2. novel airborne telltale according to claim 1 is characterized in that, is used for installing the housing of accommodating functional module and is made up of housing structure spare, upper cover plate framing member and base arrangement spare.

3. according to each described novel airborne telltale of claim 1 to 2, it is characterized in that be mounted alternately with infrared transmitting tube and infrared receiving tube all around in the touch-screen matrix housing, the relevant position on each limit, infrared transmitting tube opposite is infrared receiving tube.

4. novel airborne telltale according to claim 3, it is characterized in that, screen control and video processing module mainly comprise backlight control circuit and video processing circuits two large divisions, and backlight control and driving circuit adopt the form and the video processing circuits that break away from LCD assembly to integrate.

5. novel airborne telltale according to claim 4 is characterized in that, the length and width size of viewing area is fit to the passenger cabin of aircraft, just in time is covered with instrument carrier panel.