CN111813266B - Independently add stationary 4K touch-control display - Google Patents
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- CN111813266B CN111813266B CN202010689790.4A CN202010689790A CN111813266B CN 111813266 B CN111813266 B CN 111813266B CN 202010689790 A CN202010689790 A CN 202010689790A CN 111813266 B CN111813266 B CN 111813266B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
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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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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Abstract
The invention discloses an autonomous reinforced 4K touch display, which relates to the technical field of computers and comprises a liquid crystal display module, a key and display interface module, a power supply module and a functional module. The hardware functional module comprises a 4K _ VGA driving board, a health management board, a backlight board, a key board and a touch panel. The video main chip of the 4K _ VGA drive board adopts NT68394, 4K video signals of the display control computer are input into the video chip through an HDMI interface, and the video signals are communicated through the chip NT68394 processing module to realize information reporting and user strategy issuing. The health management board realizes UART to hundred million network conversion through an Ethernet protocol stack chip CH395, uploads the health information of the display to the WEB management end in real time through the sensing module, responds to corresponding strategies and protection mechanisms according to the information, and meanwhile, the WEB management end can realize the brightness adjustment of remote backlight and the control of the working state of the liquid crystal screen module. The invention can realize remote management and real-time report of health information, and has the characteristics of safety, low power consumption and autonomous controllability.
Description
Technical Field
The invention relates to a computer display, in particular to an autonomous reinforced 4K touch display.
Background
In the internet age, computer displays are ubiquitous. In the military field, displays have become the best method of using information to create the strongest combat weapons. To achieve network-centric combat, the united states department of defense is working on the networking of battlefields that deploy displays at various levels of the combat space, including ships, airplanes, and combat vehicles. Military applications place high demands on displays, which must be lightweight, low power consumption, and high resolution in addition to being durable, low cost, readable in sunlight. With the development of technology and new requirements, the simple display function is no longer sufficient for the current development trend, so that a more convenient human-computer interaction mode is generated.
The touch screen originated in the united states of the 60's of the 20 th century and was developed by the U.S. military for military use. After more than 50 years of development, touch screens have been widely used in military and commercial fields. As a medium of a novel man-machine interaction input mode, the touch display screen is simpler, more direct and more convenient to input compared with the traditional modes of a display, a keyboard and a mouse. Moreover, in modern war, multi-dimensional display of battlefield situations is increasingly important. And the three-dimensional data such as detection data, meteorological information, military force deployment, positions of both enemies and the my parties and the like are complex and huge. The war situation is very variable and the relevance of various information is strong, so that the requirements on the resolution of the display and the high screen ratio of a limited space are provided, and besides, the military display often has various strict military technical requirements including damp and hot, salt fog, mold and vibration.
Disclosure of Invention
Aiming at the requirements and the defects of the prior art development, the invention provides the autonomous reinforced 4K touch display to undertake the task of displaying data such as radar, sonar, navigation and the like by 4K.
The invention discloses an autonomous reinforced 4K touch display, which adopts the following technical scheme for solving the technical problems:
an autonomous reinforced 4K touch display structurally comprises a liquid crystal screen module, a key and display interface module, a power supply module and a hardware function module. The hardware functional module comprises a 4K _ VGA driving board, a health management board, a backlight board, a key board and a touch control board, wherein the 4K _ VGA driving board is respectively in communication connection with the health management board, the backlight board, the key board and the touch control board,
the video main chip of the 4K _ VGA driving board adopts NT68394, and the NT68394 has the characteristics of simple board card design, small size, few devices, enhanced reliability, internal integration DDR (double data rate) and no need of adding a video signal equalizer, and can easily solve the problems caused by uncertain factors such as wires and interconnection. The 4K video signal of the display control computer is input into the video chip through the HDMI interface, the video signal is processed by the chip NT68394 to output an EDP signal capable of driving the liquid crystal screen module, the conversion of the video signal is completed, and the health management module is communicated through UART to realize the report of information and the issue of user strategies,
the health management board realizes UART to hundred million network conversion through an Ethernet protocol stack chip CH395, uploads the health information inside the display to the WEB management end in real time through the sensing module such as a current sensing module, a voltage sensing module and a temperature sensing module, responds to a corresponding strategy and a protection mechanism according to the information, and meanwhile, the WEB management end can realize the brightness adjustment of remote backlight and the control of the working state of the liquid crystal screen module. The health management board has the characteristics of safety, reliability, early warning and rapid problem positioning.
Further, the surfaces of the 4K _ VGA driving board, the health management board and the backlight board are covered with a high-heat-conduction gap filling material CH series and high-gray-scale radiation paint, and the surfaces of the 4K _ VGA driving board, the health management board and the backlight board are also covered with a conductive rubber shielding sealing material.
Furthermore, the 4K _ VGA drive board, the health management board, the backlight board and the key board are arranged in the touch control board, and the touch control board utilizes the heat dissipation simulation technology to carry out the layout of chips contained in the 4K _ VGA drive board, the health management board and the backlight board.
Furthermore, the backlight board adopts a domestic power supply chip, and the 4K _ VGA drive board controls the output voltage of the backlight board chip by outputting a PWM signal, so that 1024-level precise dimming is realized.
Furthermore, the 4K _ VGA driving board controls the output voltage of the backlight board chip by outputting the PWM signal, 1024-level precise dimming is realized in a manual mode and an automatic mode, and the minimum brightness is not more than 0.17cd/m2The maximum brightness can reach 800cd/m2So as to meet the application requirements of different scenes.
Furthermore, the related liquid crystal display module comprises a touch screen and a 4K domestic high-definition liquid crystal display, and the touch screen and the 4K domestic high-definition liquid crystal display are attached to form the liquid crystal display module by adopting a full-attachment technology of a capacitive touch screen cover plate. The laminating technology can effectively prevent the interference of external electromagnetic waves to the liquid crystal screen, simultaneously prevent the interference of the liquid crystal screen to the outside and has good electromagnetic compatibility.
Furthermore, the capacitive touch screen cover plate is an AG + AR + AF three-film composite capacitive touch screen cover plate, the optical index light transmittance of the capacitive touch screen cover plate can reach 93%, the mirror reflection rate is 1%, the requirement on backlight output can be effectively reduced, and unnecessary power loss is reduced.
Furthermore, the 4K domestic high-definition liquid crystal screen adopts the bonding technology, realizes the visibility under the sunlight, has good contrast and outdoor readability, can effectively absorb vibration, has good impact resistance and vibration resistance, can eliminate the pressed water wave phenomenon of the liquid crystal screen, enhances the waterproof performance, the heat dissipation performance, the excellent low-pressure performance and the like, can improve the adaptability to severe environments, and effectively prolongs the service life of the liquid crystal screen.
Furthermore, the related key and display interface module comprises a key part and a display interface part, wherein the key part is used for adjusting and controlling the 4K touch display, the display interface part comprises a video input HDMI (high definition multimedia interface), and the video input HDMI adopts an air plug connector to input a video signal of the display and control computer into the VGA drive board.
Furthermore, the related key part adopts general thin film keys, including AUTO, MENU, PWR, +, -five control keys.
Compared with the prior art, the autonomous reinforced 4K touch display has the beneficial effects that:
1) the invention improves the health management module and the 4K _ VGA drive board, realizes remote management and real-time report of health information, has the characteristics of safety, reliability, low power consumption and autonomous controllability, ensures that the displayed picture is clear and smooth, has no image residue, flicker and crosstalk phenomenon which can be perceived by human eyes, and simultaneously supports capacitive multi-point touch;
2) the invention can be used for bearing the task of displaying data 4K such as radar, sonar, navigation and the like.
Drawings
FIG. 1 is a connection block diagram of a 4K touch display according to the present invention;
FIG. 2 is a connection block diagram of hardware functional modules according to a first embodiment of the present invention;
fig. 3 is a diagram of a 4K _ VGA driver board architecture according to a first embodiment of the invention.
Detailed Description
In order to make the technical scheme, the technical problems to be solved and the technical effects of the present invention more clearly apparent, the following technical scheme of the present invention is clearly and completely described with reference to the specific embodiments.
The first embodiment is as follows:
the embodiment provides an autonomous reinforced 4K touch display, which structurally comprises a liquid crystal display module, a key and display interface module, a power module and a hardware function module.
The hardware function module comprises a 4K _ VGA drive board, a health management board, a backlight board, a key board and a touch control board, wherein the 4K _ VGA drive board is in communication connection with the health management board, the backlight board, the key board and the touch control board respectively. Reference is made to fig. 2 and 3, in which,
the video main chip of the 4K _ VGA driving board adopts NT68394, and the NT68394 has the characteristics of simple board card design, small size, few devices, enhanced reliability, internal integration DDR (double data rate) and no need of adding a video signal equalizer, and can easily solve the problems caused by uncertain factors such as wires and interconnection. The 4K video signal of the display control computer is input into the video chip through the HDMI interface, the video signal is processed by the chip NT68394 to output an EDP signal capable of driving the liquid crystal screen module, the conversion of the video signal is completed, and the health management module is communicated through UART to realize the report of information and the issue of user strategies,
the health management board realizes UART to hundred million network conversion through an Ethernet protocol stack chip CH395, uploads the health information inside the display to the WEB management end in real time through the sensing module such as a current sensing module, a voltage sensing module and a temperature sensing module, responds to a corresponding strategy and a protection mechanism according to the information, and meanwhile, the WEB management end can realize the brightness adjustment of remote backlight and the control of the working state of the liquid crystal screen module. The health management board has the characteristics of safety, reliability, early warning and rapid problem positioning.
Example two:
the embodiment provides an autonomous reinforced 4K touch display, which structurally comprises a liquid crystal display module, a key and display interface module, a power module and a hardware function module.
The hardware function module comprises a 4K _ VGA drive board, a health management board, a backlight board, a key board and a touch control board, wherein the 4K _ VGA drive board is in communication connection with the health management board, the backlight board, the key board and the touch control board respectively.
The 4K _ VGA drive board, the health management board, the backlight board and the key board are arranged in the touch control board, and the touch control board utilizes the heat dissipation simulation technology to carry out the layout of chips contained in the 4K _ VGA drive board, the health management board and the backlight board.
The surfaces of the 4K _ VGA driving board, the health management board and the backlight board are covered with a high-heat-conduction gap filling material CH series and high-gray-scale radiation paint, and the surfaces of the 4K _ VGA driving board, the health management board and the backlight board are also covered with a conductive rubber shielding sealing material.
Referring to fig. 3, the video master chip of the 4K _ VGA driver board adopts NT68394, and NT68394 has the characteristics of simplified board card design, small size, few devices, enhanced reliability, internal integration of DDR and no need of adding a video signal equalizer, and can easily solve the problems caused by uncertain factors such as wires and interconnection. The 4K video signal of the display control computer is input into the video chip through the HDMI interface, the video signal is processed by the chip NT68394 to output an EDP signal capable of driving the liquid crystal screen module, the conversion of the video signal is completed, and the health management module is communicated through UART to realize the report of information and the issue of user strategies,
referring to fig. 2, the health management board realizes that UART changes into a hundred mega network through an ethernet protocol stack chip CH395, uploads the health information inside the display to the WEB management terminal in real time through the sensing module, such as the current sensing module, the voltage sensing module, and the temperature sensing module, and responds to the corresponding strategy and protection mechanism according to the information, and meanwhile, the WEB management terminal can realize the brightness adjustment of the remote backlight and the control of the working state of the liquid crystal screen module. The health management board has the characteristics of safety, reliability, early warning and rapid problem positioning.
The backlight board adopts a domestic power supply chip, the 4K _ VGA drive board controls the output voltage of the backlight board chip by outputting a PWM signal, 1024-level precise dimming is realized in a manual mode and an automatic mode, and the minimum brightness is not more than 0.17cd/m2The maximum brightness can reach 800cd/m2So as to meet the application requirements of different scenes.
Example three:
referring to fig. 1, 2 and 3, on the basis of the structure of the first embodiment or the second embodiment, the liquid crystal panel module further includes a touch panel and a 4K home-made high-definition liquid crystal panel.
The touch screen and the 4K domestic high-definition liquid crystal screen are jointed by adopting a full-joint technology of a capacitive touch screen cover plate compounded by AG + AR + AF three films to form a liquid crystal screen module. The optical index light transmittance of the capacitive touch screen cover plate can reach 93%, the mirror reflection rate is 1%, the requirement on backlight output can be effectively reduced, and unnecessary power loss is reduced. The technology can effectively prevent the interference of external electromagnetic waves to the liquid crystal screen, and simultaneously prevent the interference of the liquid crystal screen to the outside, and has good electromagnetic compatibility.
In this embodiment, 4K homemade high definition LCD screen adopts bonding technique, realizes the visual under the sunshine, possesses fine contrast, outdoor readability, can absorb the vibration effectively, possesses good shock resistance and vibration resistance, can eliminate the pressurized water wave phenomenon that the LCD screen appears, reinforcing waterproof performance, heat dispersion and excellent low atmospheric pressure performance etc. can improve adverse circumstances adaptability to the life of effectual extension LCD screen.
In this embodiment, the key and display interface module includes a key portion and a display interface portion. The key part adopts general thin film keys, comprises AUTO, MENU, PWR, plus and minus five control keys and is used for executing adjustment and control of the 4K touch display. The display interface part comprises a video input HDMI interface, and the video input HDMI interface adopts an air insertion connector to input a video signal of the display and control computer into the VGA drive board.
In summary, the autonomous reinforced 4K touch display provided by the invention can realize remote management and real-time reporting of health information, and has the characteristics of safety, reliability, low power consumption and autonomous controllability.
The principles and embodiments of the present invention have been described in detail using specific examples, which are provided only to aid in understanding the core technical content of the present invention. Based on the above embodiments of the present invention, those skilled in the art should make any improvements and modifications to the present invention without departing from the principle of the present invention, and therefore, the present invention should fall into the protection scope of the present invention.
Claims (10)
1. An autonomous reinforced 4K touch display structurally comprises a liquid crystal screen module, keys, a display interface module, a power supply module and a hardware function module, and is characterized in that the hardware function module further comprises a 4K _ VGA drive board, a health management board, a backlight board, a key board and a touch board, the 4K _ VGA drive board is respectively in communication connection with the health management board, the backlight board, the key board and the touch board, wherein,
the video main chip of the 4K _ VGA driving board adopts NT68394, 4K video signals of the display control computer are input into the video chip through an HDMI interface, the video signals are processed by the chip NT68394 to output EDP signals capable of driving the liquid crystal screen module, the conversion of the video signals is completed, the video signals are communicated with the health management module through UART to realize the report of information and the issue of user strategies,
the health management board realizes UART to hundred million network conversion through an Ethernet protocol stack chip CH395, uploads the health information in the display to the WEB management end in real time through the sensing module, responds to corresponding strategies and protection mechanisms according to the information, and meanwhile, the WEB management end can realize the brightness adjustment of remote backlight and the control of the working state of the liquid crystal screen module.
2. The self-reinforced 4K touch display of claim 1, wherein the surfaces of the 4K _ VGA driver board, the health management board and the backlight board are covered with a high thermal conductivity gap filling material CH series and a high gray-scale radiation paint, and the surfaces of the 4K _ VGA driver board, the health management board and the backlight board are further covered with a conductive rubber shielding sealing material.
3. The self-contained ruggedized 4K touch display of claim 2, wherein the 4K _ VGA driver board, the health management board, the backlight board, and the keypad are embedded in the touchpad, and the touchpad utilizes a heat dissipation simulation technology to perform layout of chips included in the 4K _ VGA driver board, the health management board, and the backlight board.
4. The self-contained ruggedized 4K touch display of claim 1, wherein the backlight panel employs a domestic power chip, and the 4K _ VGA driver board controls an output voltage of the backlight panel chip by outputting a PWM signal, thereby achieving 1024-level precise dimming.
5. The self-contained ruggedized 4K touch display of claim 4, wherein the 4K _ VGA driver board controls the output voltage of the backlight chip by outputting a PWM signal, and wherein 1024-level fine dimming is achieved in a manual mode and an automatic mode, and the minimum brightness is not greater than 0.17cd/m2The maximum brightness can reach 800cd/m2。
6. The self-contained reinforced 4K touch display according to claim 1, wherein the LCD module further comprises a touch screen and a 4K home high definition LCD, and the touch screen and the 4K home high definition LCD are bonded by a full bonding technology of a capacitive touch screen cover plate to form the LCD module.
7. The self-contained reinforced 4K touch display according to claim 6, wherein the capacitive touch screen cover is a capacitive touch screen cover compounded by AG + AR + AF three films, and has an optical index transmittance of 93% and a mirror reflection of 1%.
8. The self-contained reinforced 4K touch display according to claim 6, wherein the 4K home high definition liquid crystal display is visible in sunlight by using a bonding technology.
9. The self-contained ruggedized 4K touch display of claim 1, wherein the button and display interface module comprises a button portion and a display interface portion, the button portion performs adjustment and control of the 4K touch display, the display interface portion comprises a video input HDMI interface, and the video input HDMI interface inputs a video signal of the display control computer to the VGA driver board using the aviation connector.
10. The self-contained ruggedized 4K touch display of claim 9, wherein the key portion is implemented as a universal membrane key comprising AUTO, MENU, PWR, +, -five control keys.
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| CN108429896A (en) * | 2018-03-08 | 2018-08-21 | 山东超越数控电子股份有限公司 | A kind of method of vision signal selection output |
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