CN116055843A - Head-up display system for trainer - Google Patents
Head-up display system for trainer Download PDFInfo
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- CN116055843A CN116055843A CN202211680072.6A CN202211680072A CN116055843A CN 116055843 A CN116055843 A CN 116055843A CN 202211680072 A CN202211680072 A CN 202211680072A CN 116055843 A CN116055843 A CN 116055843A
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- 238000012545 processing Methods 0.000 claims abstract description 61
- 230000003287 optical effect Effects 0.000 claims abstract description 49
- 239000004973 liquid crystal related substance Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 4
- 230000004075 alteration Effects 0.000 claims description 3
- 238000012937 correction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/2621—Cameras specially adapted for the electronic generation of special effects during image pickup, e.g. digital cameras, camcorders, video cameras having integrated special effects capability
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/278—Subtitling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
A head-up display system for a coach machine, wherein a camera is arranged in positioning grooves arranged at two sides of an upper cover plate, an optical lens and an image sensor are arranged on the upper surface of the upper cover plate, a video processing module is arranged on the lower surface of the upper cover plate, a display processing module, a motherboard and an optical component are respectively arranged on a head-up display shell, the optical component consists of a digital image source, a relay optical lens group, a reflecting mirror group and a single combined mirror, the image sensor is connected with a video processing module, and the video processing module is connected with the display processing module; the upper cover plate is arranged at the front end of the mounting bracket, the head-up display is arranged on the mounting bracket, the right-ahead control panel is fixed on a head-up display shell at the front end of the head-up display, and the display processing module of the head-up display is integrated with the comprehensive processing module; through carrying out the integrated design with head-up display, camera, the control panel in the place ahead, the camera is integrated in the upper cover plate, has effectively increased the instantaneous visual field of head-up display, also lightens equipment weight simultaneously.
Description
Technical Field
The invention relates to the technical field of aircraft avionics, in particular to a head-up display system for a coach machine.
Background
At present, a front cabin instrument board of the coach machine is provided with a head-up display for displaying flight parameters; the front end of the head-up display is provided with a front control panel for binding and modifying parameters; the camera is fixed at the upper end of the control panel in front and is used for shooting a display picture of the head-up display system and an external view in front of the airplane; the head-up display and the right-ahead control board are independent devices, and the right-ahead control board is arranged at the front end of the head-up display through screws, so that the thickness between the head-up display and the right-ahead control board is increased, the mounting position of the head-up display is caused to move forwards in the machine head direction, and the instantaneous field of view of the head-up display is reduced; the camera is installed in the control panel upper end in the dead ahead, easily shelters from the partial view in dead ahead of pilot, influences pilot's observation, and then reduces the effective usable floor area of control panel in the dead ahead. In addition, install in narrow and small space, dismouting difficulty, because the head-up display front end is taken up by control panel, camera in the place ahead, software upgrading and debugging mouth set up in the rear end of head-up display, so when software upgrading or carry out software monitoring debugging, need pull down the head-up display, maintainability is not good.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a head-up display system for a trainer so as to solve the problems in the background art.
The technical problems solved by the invention are realized by adopting the following technical scheme:
a head-up display system for a trainer comprises a camera, an upper cover plate, a mounting bracket, a head-up display, a control panel in front of the head-up display, an optical assembly, a motherboard, a video processing module, an image sensor, a display processing module, an optical lens and a head-up display shell, wherein the camera is mounted in positioning grooves arranged on two sides of the upper cover plate through non-falling screws and positioning pins so as to ensure that the optical axis of the camera is consistent with that of the head-up display system; the optical lens and the image sensor are arranged on the upper surface of the upper cover plate, the video processing module is arranged on the lower surface of the upper cover plate, the display processing module, the motherboard and the optical component are respectively arranged on the head-up display shell through a fastening bolt and a locating pin, the optical component consists of a digital image source, a relay optical lens group, a reflecting mirror group and a single combined mirror, the image sensor is connected with the video processing module, and the video processing module is connected with the display processing module; the upper cover plate is installed at the front end of the installation bracket, the head-up display is installed on the installation bracket, the installation bracket is installed on the head-up display shell, the front control panel is fixed on the head-up display shell at the front end of the head-up display, and the display processing module of the head-up display is integrated with the comprehensive processing module so as to reduce the thickness between the head-up display and the front control panel, enable the reflector group of the head-up display to be close to the catapulting envelope to the maximum extent, further reduce the focal length of the head-up display and the pilot eye position and increase the instantaneous field of view.
In the invention, the camera and the upper cover plate are of an integrated structure.
In the invention, the mirror group and the single combined mirror are arranged on the head-up display housing positioned above the front control panel.
In the invention, the optical lens is arranged at the front end of the image sensor, and the optical lens and the image sensor are positioned on the same axis.
In the invention, the front end of the head-up display shell is fixedly provided with a key combination module through a screw, the back of the key combination module is provided with a liquid crystal display module, the display processing module is connected with the key combination module and the liquid crystal display module, and the display processing module receives key codes of keys and peripheral keys of the key combination module and controls the liquid crystal display module to display corresponding parameters.
In the invention, the lower end of the control board right in front is provided with the test port, which is convenient for software upgrading and debugging.
In the invention, the head-up display shell is provided with the power supply module, the power supply module is integrated with the power supply conversion module, and the power supply module is connected with the liquid crystal display module, the optical component and the display processing module.
In the invention, external light is projected onto an image sensor through an optical lens, the image sensor completes photoelectric conversion, an image signal is output onto a video processing module in the form of an electric signal, the video processing module processes the received electric signal and outputs the processed electric signal to a display processing module, the display processing module stacks an external view Jing Shipin picture and a head-up display system character and then respectively sends the superimposed picture and the head-up display system character to a recording device for recording through a video line, and a rear cabin display calls and displays;
the display processing module generates character signals for displaying a head-up display by receiving control instructions and display data of the bus interface, then sends the character signals to a digital image source of the optical assembly, the optical assembly performs aberration pre-correction on a digital image source display picture through a relay optical lens group in the assembly, then collects light rays through a reflector group, prolongs an optical path and turns to a single combined lens, and the single combined lens collimates the display picture in front of a pilot.
The beneficial effects are that: according to the invention, the head-up display, the camera and the front control panel are integrally designed, the camera is integrated on the upper cover plate of the head-up display, the front vision of a pilot is not blocked, and the front control panel processing module is integrated on the head-up display, so that the instantaneous vision of the head-up display is effectively increased, and meanwhile, the weight of equipment is also reduced.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of the present invention.
Fig. 2 is a top view of a preferred embodiment of the present invention.
Fig. 3 is a schematic diagram illustrating the installation of the key assembly module according to the preferred embodiment of the present invention.
FIG. 4 is a schematic diagram showing connection of display processing modules according to a preferred embodiment of the invention.
Detailed Description
The invention is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the invention easy to understand.
Referring to fig. 1-4, a head-up display system for a trainer comprises a camera 1, an upper cover plate 2, a mounting bracket 3, a head-up display 4, a single combined mirror 5, a reflecting mirror group 6, a right-ahead control panel 7, an optical component 8, a motherboard 9, a video processing module 10, an image sensor 11, a display processing module 12, an optical lens 13, a power module 14, a liquid crystal display module 15, a key combination module 16, a test port 17 and a head-up display shell 18, wherein the camera 1 is mounted in positioning grooves arranged on two sides of the upper cover plate 2 through non-falling screws and positioning pins so as to ensure that the optical axis of the camera is consistent with that of the head-up display system, a joint is sealed by adopting a conductive rubber gasket so as to achieve the effect of shielding electromagnetism, and the consistency with the optical axis of the head-up display is ensured through the precision of mechanical processing and the positioning pins; the optical lens 13 and the image sensor 11 are arranged on the upper surface of the upper cover plate 2, the video processing module 10 is arranged on the lower surface of the upper cover plate 2, the display processing module 12, the power module 14, the motherboard 9 and the optical component 8 are respectively arranged on the head-up display shell 18 through fastening bolts and positioning pins, the optical component 8 consists of a digital image source, a relay optical lens group, a reflecting mirror group 6 and a single combined mirror 5, the image sensor 11 is connected with the video processing module 10, the video processing module 10 is connected with the display processing module 12, and the power module 14 is connected with the liquid crystal display module 15, the optical component 8 and the display processing module 12; the upper cover plate 2 is arranged at the front end of the mounting bracket 3, the head-up display 4 is arranged on the mounting bracket 3, the mounting bracket 3 is arranged on the head-up display shell 18, the front control panel 7 is fixed on the head-up display shell 18 at the front end of the head-up display 4, the display processing module 12 of the head-up display 4 is integrated with the comprehensive processing module, the power supply module 14 of the head-up display 4 is integrated with the power supply conversion module, so that the thickness between the head-up display 4 and the front control panel 7 is reduced, the reflector group 6 of the head-up display 4 is maximally close to the ejection envelope P, the focal length of the head-up display and the pilot eye position M is reduced, and the instantaneous field of view is increased.
In this embodiment, the camera 1 and the upper cover 2 are integrally formed.
In the present embodiment, the mirror group 6 and the single combination mirror 5 are provided on a head-up display housing 18 located above the front control board 7.
In this embodiment, the optical lens 13 is disposed at the front end of the image sensor 11, and the optical lens 13 and the image sensor 11 are located on the same axis.
In this embodiment, the front end of the head-up display housing 18 is fixed with a key combination module 16 by a screw, the back of the key combination module 16 is provided with a liquid crystal display module 15, the display processing module 12 is connected with the key combination module 16 and the liquid crystal display module 15, and the display processing module 12 receives key codes of keys and peripheral keys of the key combination module 16 and controls the liquid crystal display module 15 to display corresponding parameters.
In this embodiment, the lower end of the front control board 7 is provided with a test port 17, which is convenient for software upgrade and debugging.
In the present embodiment, the working principle of the head-up display system is as follows:
external light is projected onto the image sensor 11 through the optical lens 13, the image sensor 11 completes photoelectric conversion, an image signal is output to the video processing module 10 in the form of an electric signal, the video processing module 10 processes the received electric signal to form a digital RGB signal, then the RGB signal is converted into a DVI signal through the DVI coding chip and is output to the display processing module 12, the display processing module 12 stacks an external view Jing Shipin picture and a head-up display system character, and then the external view Jing Shipin picture and the head-up display system character are respectively sent to the recording equipment for recording through video lines, and the rear-cabin display calls for display;
the display processing module 12 is a core processing module of the head-up display system, and generates a character signal for displaying on the head-up display 4 by receiving a control instruction and display data of the bus interface, then sends the character signal to a digital image source of the optical component 8, the optical component 8 performs aberration pre-correction on a digital image source display picture through a relay optical lens group in the component, then collects light rays through the reflector group 6, prolongs an optical path and turns to the single combined lens 5, and the single combined lens 5 collimates the display picture at an 'infinity' place in front of a pilot.
In the present embodiment, the head-up display implementation of the head-up display 4 is as follows:
the front control panel 7 and the head-up display 4 are integrally designed, so that the thickness between the head-up display 4 and the front control panel 7 is reduced, the reflector group 6 can be maximally close to the ejection envelope P, the focal length of the head-up display 4 and the pilot eye position M is reduced, the instantaneous field of view of the head-up display 4 is increased, as shown in a formula 1, simultaneously, the reflector group 6 moves backwards, the single combined mirror 5 correspondingly moves backwards, the distance between the single combined mirror and the windshield N is increased, and the pitching direction of the single combined mirror 5 is enlarged, so that the instantaneous field of view of the head-up display 4 is increased;
W i ＝2tan -1 D/2L (1)
wherein: w (W) i For the instantaneous field angle, D is the aperture in the pitch direction of the single combined mirror 5, and L is the eye position M point-to-combined mirror distance (i.e. focal length).
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The head-up display system for the trainer comprises a camera, an upper cover plate, a mounting bracket, a head-up display, a front control panel, an optical component, a motherboard, a video processing module, an image sensor, a display processing module, an optical lens and a head-up display shell, and is characterized in that the camera is arranged in positioning grooves arranged on two sides of the upper cover plate, the optical lens and the image sensor are arranged on the upper surface of the upper cover plate, the video processing module is arranged on the lower surface of the upper cover plate, the display processing module, the motherboard and the optical component are respectively arranged on the head-up display shell, the optical component consists of a digital image source, a relay optical lens group, a reflecting mirror group and a single combined mirror, the image sensor is connected with the video processing module, and the video processing module is connected with the display processing module; the upper cover plate is installed at the front end of the installation bracket, the head-up display is installed on the installation bracket, the installation bracket is installed on the head-up display shell, the right-ahead control panel is fixed on the head-up display shell at the front end of the head-up display, and the comprehensive processing module is integrated in the display processing module of the head-up display.
2. The heads-up display system for a trainer according to claim 1, wherein the camera is integrally formed with the upper cover plate.
3. A heads-up display system for a trainer according to claim 1, wherein the mirror assembly and single combined mirror are provided on a heads-up display housing located directly above a front control panel.
4. The heads-up display system for a trainer according to claim 1, wherein the optical lens is disposed at a front end of the image sensor and the optical lens is located on a same axis as the image sensor.
5. The head-up display system for a trainer according to claim 1, wherein a key combination module is fixed at the front end of the head-up display shell, a liquid crystal display module is mounted on the back of the key combination module, and the key combination module and the liquid crystal display module are connected with a display processing module.
6. The head-up display system for a trainer according to claim 1, wherein the lower end of the front control panel is provided with a test port.
7. The head-up display system for a trainer according to claim 1, wherein a power module is arranged on the head-up display housing, a power conversion module is integrated in the power module, and the power module is connected with the liquid crystal display module, the optical assembly and the display processing module.
8. The head-up display system for a trainer according to any one of claims 1 to 7, wherein external light is projected onto an image sensor through an optical lens, the image sensor completes photoelectric conversion and outputs image signals to a video processing module in the form of electric signals, the video processing module processes the received electric signals and outputs the processed electric signals to a display processing module, the display processing module superimposes an external view Jing Shipin picture and a head-up display system character and then sends the superimposed picture and the head-up display system character to a recording device for recording through video lines, and a rear-cabin display calls for display;
the display processing module generates character signals for displaying a head-up display by receiving control instructions and display data of the bus interface, then sends the character signals to a digital image source of the optical assembly, the optical assembly performs aberration pre-correction on a digital image source display picture through a relay optical lens group in the assembly, then collects light rays through a reflector group, prolongs an optical path and turns to a single combined lens, and the single combined lens collimates the display picture in front of a pilot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211680072.6A CN116055843A (en) | 2022-12-26 | 2022-12-26 | Head-up display system for trainer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211680072.6A CN116055843A (en) | 2022-12-26 | 2022-12-26 | Head-up display system for trainer |
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| CN116055843A true CN116055843A (en) | 2023-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211680072.6A Pending CN116055843A (en) | 2022-12-26 | 2022-12-26 | Head-up display system for trainer |
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