CN103337214B - Analog system for optical azimuth device - Google Patents
Analog system for optical azimuth device Download PDFInfo
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- CN103337214B CN103337214B CN201310261323.1A CN201310261323A CN103337214B CN 103337214 B CN103337214 B CN 103337214B CN 201310261323 A CN201310261323 A CN 201310261323A CN 103337214 B CN103337214 B CN 103337214B
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Abstract
The invention provides an analog system for an optical azimuth device, which comprises a shell, a master control and visual computer, an optical coupling device, an image displayer, a display driver circuit, a compass level and azimuth angle receiving device, an objective lens, a reflector support angle measurement device, a reflector support, a reflector angle measurement device and a reflector, wherein the reflector is movably mounted at one end of the reflector support; the other end of the reflector support is movably connected with the center of the objective lens; the reflector support angle measurement device is mounted on the rotary axis of the reflector support; the reflector angle measurement device is mounted on the rotary axis of the reflector; the image displayer is arranged at the entry end of the optical coupling device; the image displayer is connected with the master control and visual computer through the display driver circuit; the compass level and azimuth angle receiving device, the reflector support angle measurement device, the reflector angle measurement device and an angle measurement device mounted on the compass are connected with the master control and visual computer. The analog system for the optical azimuth device can be used indoors to simulate the simulated training of a remote target through a close-range perspective.
Description
Technical field
The present invention relates to a kind of analog system for optical azimuth device.
Background technology
Optical azimuth device (optical azimuth device) is called for short azimuth mirror, in order to accurate measurement target orientation and angle on the bow in navigation.It is the attached instrument of compass, with compass with the use of.Azimuth mirror kind is many, and have azimuth mirror, azimuth bar, dumb card etc., they are all used for measurement target in the horizontal plane corresponding to the number of degrees of compass; Azimuth mirror is contained on compass usually, aims at the mark with it, just can record target azimuth easily.
As shown in Figure 1, the eyepiece 1 that existing optical azimuth device comprises shell and installs in the enclosure, turn to prism 2, object lens 3, mirror support, catoptron etc., two duties are had during optical azimuth device work, by rotating mirror support center of rotation 6 in Fig. 1, the switching of two duties can be realized, when it is in catoptron duty 1, target or the celestial body of sky can be seen by the reflection of object lens 3 front catoptron, now by rotating catoptron center of rotation 4 and coordinating the rotation of below compass can see sky null object and the celestial body of diverse location, when being in catoptron duty 25, object lens front does not have catoptron, therefore can see the target in dead ahead, the rotation of bottom compass can be coordinated to observe the target of different azimuth simultaneously.
Because optical azimuth device is to observe distant object or celestial body in actual navigation use procedure, therefore its optical system is telescopic system, and in lab simulation training process, be use closely that what comes into a driver's is to simulate distant object, and existing optical azimuth device cannot be observed for closely what comes into a driver's.
Summary of the invention
The invention provides a kind of analog system for optical azimuth device, can indoor use closely what comes into a driver's simulate the simulated training of distant object, reach the object of the position angle demonstrating target accurately etc. and on all four parameter when truly using, make whole training process more comprehensive, improve the usefulness of whole simulated training system.
A kind of analog system for optical azimuth device, comprise shell, master control and what comes into a driver's computing machine and optical couping device, image display, display driver circuit, compass level and position angle receiving trap in the enclosure, object lens, mirror support angle-measuring equipment, mirror support, catoptron angle-measuring equipment, catoptron are installed, catoptron is movably arranged on one end of mirror support, the other end and the object lens of mirror support) center be flexibly connected; Mirror support angle-measuring equipment is arranged on the rotation axis of mirror support, and catoptron angle-measuring equipment is arranged on the rotation axis of catoptron; Image display is located at the inlet end of optical couping device, image display is connected with master control and what comes into a driver's computing machine by display driver circuit, compass level and position angle receiving trap, mirror support angle-measuring equipment, penetrates mirror angle-measuring equipment and the angle-measuring equipment be arranged on compass is connected with described master control and what comes into a driver's computing machine.
Analog system for optical azimuth device as above, be arranged on the angle-measuring equipment on compass, mirror support angle-measuring equipment and catoptron angle-measuring equipment composition angle-measuring equipment, for the azimuth information of the angle information and optical azimuth device of measuring catoptron and mirror support, and sending relative angle angle value to master control and what comes into a driver's computing machine, master control and what comes into a driver's computing machine receive host computer that compass level and position angle receiving trap the provide angle information about hull level and orientation simultaneously.
Analog system for optical azimuth device as above, the angle information that described master control and what comes into a driver's computing machine are used for angle information according to the catoptron received and mirror support, the azimuth information of optical azimuth device, hull level and orientation generates steering order, the respective change of control simulation what comes into a driver's, thus the simulation realizing observation what comes into a driver's.
Analog system for optical azimuth device as above, described master control and what comes into a driver's computing machine are by pictcure generator, what comes into a driver's management and what comes into a driver's storehouse develop software, three-dimensional vision database forms, utilize what comes into a driver's management software and what comes into a driver's storehouse develop software on graphics workstation set up simulation scene, object module and background interference, the simulation scene simultaneously will set up, object module and background interference transform vision signal and send image display to by display driver circuit, described image display is for receiving the vision signal of described master control and what comes into a driver's computing machine, and vision signal is changed into visual image show, the outgoing of the visible ray that described optical couping device is used for described image display to generate dynamic scene collimation.
The present invention transforms on the basis of original optical azimuth device, use all physical constructions of former optical azimuth device, remove its inner all optical system, new optical system (i.e. optical couping device) and image display are installed therein, and at compass, mirror support, catoptron installs accurate angle-measuring equipment additional, increase master control and what comes into a driver's computing machine simultaneously, the object of Reality simulation service condition has been controlled by master control and what comes into a driver's computing machine, can be tested personnel and the on all four optical azimuth device function with true service condition is provided, reach carry out using in indoor closely what comes into a driver's to simulate the object of the simulated training of distant object.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing azimuth mirror;
Fig. 2 is the structural representation of analog system for optical azimuth device of the present invention;
Fig. 3 is the structural representation of optical couping device in the present invention, and it is made up of five simple lenses;
Fig. 4 is the transport function figure of optical couping device of the present invention;
Fig. 5 is the disc of confusion figure of optical couping device of the present invention;
Fig. 6 is the curvature of field and the distortion figure of optical couping device of the present invention;
In figure: 1-eyepiece, 2-turns to prism, 3-object lens, 4-catoptron duty one, 5-catoptron duty two, 6-mirror support center of rotation, 7-catoptron center of rotation, 10-shell, 11-optical couping device, 12-image display, 13-display driver circuit, 14-compass level and position angle receiving trap, 15-object lens, 16-mirror support angle-measuring equipment, 17-mirror support, 18-catoptron angle-measuring equipment, 19-catoptron, 20-master control and what comes into a driver's computing machine.
Embodiment
Below in conjunction with the accompanying drawing in the present invention, the technical scheme in the present invention is clearly and completely described.
Figure 2 shows that the structural representation of analog system for optical azimuth device of the present invention, described analog system for optical azimuth device comprises shell 10, master control and what comes into a driver's computing machine 20 and installs optical couping device 11, image display 12, display driver circuit 13, compass level and position angle receiving trap 14 in the enclosure, object lens 15, mirror support angle-measuring equipment 16, mirror support 17, catoptron angle-measuring equipment 18, catoptron 19.Catoptron 19 is movably arranged on one end of mirror support 18, and the other end of mirror support 18 is flexibly connected with the center of object lens 15.Mirror support angle-measuring equipment 16 is arranged on the rotation axis of mirror support 17, and catoptron angle-measuring equipment 18 is arranged on the rotation axis of catoptron 19.Image display 12 is located at the inlet end of optical couping device 11, image display 12 is connected with master control and what comes into a driver's computing machine 20 by display driver circuit 13, and compass level and position angle receiving trap 14, mirror support angle-measuring equipment 16 and catoptron angle-measuring equipment 18 are also connected with described master control and what comes into a driver's computing machine 20.
Please continue to refer to Fig. 3, described optical couping device 11 adopts five simple lenses to make, the image display 12 be mated can adopt high resolving power OLED display, and resolution can be adopted wherein in an embodiment to be the high-resolution color OLED of 800 pixel × 600 pixels.Five simple lenses have employed the optical materials such as ZLAF2, K9, LAK4, ZF6, K9 respectively, cooperatively interact, and the spherical aberration and the sine that effectively eliminate system are poor, and reduce the relative aperture of each eyeglass as much as possible, thus reduce the senior aberration of system; And have chosen appropriate glass combination, effectively eliminate the aberration of system, astigmatism and paraxial coma.Use area of computer aided to carry out aberration correction optimal design in design process, finally determine the concrete structure of optical couping device 11, its light path as shown in Figure 3.The final design result of optical couping device 11 is as shown in Fig. 4, Fig. 5, Fig. 6.
Concrete, the defining method of optical couping device 11 emergent pupil distance is:
Because simulation system of the present invention is directly docked with human eye, after considering the factors such as physical construction space, optical design difficulty are moderate, finally determine that the emergent pupil of optical couping device is apart from being 10mm.
The determination in optical couping device 11 emergent pupil aperture:
The pupil diameter of human eye is 2 ~ 8mm in the ordinary course of things, and in conjunction with the actual service condition of this simulation system, the exit pupil diameter of native system slightly larger than pupil diameter, should finally determine that the exit pupil diameter of native system is 10mm.Like this, the described exit pupil position of optical couping device 11 overlaps completely with the pupil position of observer, because the exit pupil diameter of described optical couping device 11 is slightly larger than pupil diameter (the present embodiment is designed to 10mm), can avoid losing visual field during head movement, namely the emergent pupil of optical couping device covers the pupil of observer completely, eliminate the vignetting produced in observation process, service condition that is virtually reality like reality.
The determination of optical couping device 11 focal length:
The focal length of optical couping device 11 is relevant with the size of field angle and selected image display 12 (such as OLED display), the field angle of this simulation system is 40 ° (fixing tentatively), selected OLED display sheet is of a size of 0.61 inch, and therefore the focal distance f of this simulation system optical couping device 11 can be calculated by following formula:
Wherein, L is the effective dimensions (owing to being circle visual field, therefore effective dimensions is that minor face is long) of OLED display; θ is the field angle of this simulation system, and the focal length through calculating optical coupling device 11 is 12.77mm.
The determination of optical couping device 11 disc of confusion diameter:
The determination of speckle diameter index depends primarily on the pixel size of selected image display 12 liquid crystal display, and the pixel size of liquid crystal display can calculate according to formula below.
Wherein, L is the effective dimensions (owing to being circle visual field, therefore effective dimensions is that minor face is long) of liquid crystal display; H is the effective resolution (this effective resolution is 600) of liquid crystal display, and through calculating, the disc of confusion diameter of coupled system should be less than 15.5 μm.
Angle-measuring equipment (scheming not shown), mirror support angle-measuring equipment 16 and the catoptron angle-measuring equipment 18 be arranged on compass forms angle-measuring equipment, for the azimuth information of the angle information and optical azimuth device of measuring catoptron 19 and mirror support, and sending relative angle angle value to master control and what comes into a driver's computing machine 20, master control and what comes into a driver's computing machine 20 receive host computer that compass level and position angle receiving trap 14 the provide angle information (namely simulating the angle information that hull rocks) about hull level and orientation simultaneously.The structure of mirror support angle-measuring equipment 16 and catoptron angle-measuring equipment 18 is identical, the rotation axis at its center and mirror support 17, the rotation axis of catoptron 19 is fastenedly connected, the fixed part of its outside is by three pilot holes on it and mirror support 17, the fixed frame of catoptron 19 is fastenedly connected, in work process, the relatively rotating angle and will be delivered to angle-measuring equipment (16 accurately of mirror support 17 and catoptron 19, 18) on, relative angle angle value is uploaded to master control and what comes into a driver's computing machine 20 by angle-measuring equipment, thus the measurement of angle completed in real-time simulation process.
The relative angle angle value that described master control and what comes into a driver's computing machine 20 generate for reading angle-measuring equipment in real time, receive host computer that compass level and position angle receiving trap 14 the provide angle information about hull level and orientation simultaneously, then steering order is generated, the respective change of control simulation what comes into a driver's, thus the simulation realizing observation what comes into a driver's.Described master control and what comes into a driver's computing machine 20 are by pictcure generator, what comes into a driver's management and what comes into a driver's storehouse develop software, three-dimensional vision database forms, described pictcure generator can adopt graphics workstation, what comes into a driver's management software can adopt Vega Prime, wherein operating system: Windows XP professional, development environment: Visual C++, what comes into a driver's storehouse develops software employing operating system: Windows XP professional, landform and cultural data genaration: Terra Vista, objective modeling: MultiGen Creator, texture processing: Photo Shop, altitude figures generates: Scan In.Three-dimensional vision database is made up of naval vessel model storehouse, targets in ocean model bank, moving target model bank, task model storehouse, special-effect model bank etc.Comprise the geological information of model in scene database, but also should comprise the advanced features such as texture, material information and light, LOD, template, motion, the database area provided meets the needs of large scene.Utilize what comes into a driver's management software and what comes into a driver's storehouse develop software on graphics workstation set up simulation scene, object module and background interference, be stored in graphics workstation, simulation scene, object module and the background interference described master control and what comes into a driver's computing machine 20 set up transform vision signal and send image display 12 to by display driver circuit 13 simultaneously, described image display 12 receives the vision signal of described master control and what comes into a driver's computing machine 20, and vision signal is changed into visual image shows.
The outgoing of the visible ray that described image display 12 generates by described optical couping device 11 dynamic scene collimation, is made people be observed clearly by analog system for optical azimuth device, is equivalent to the simulation scene of infinite distance.
Introduce below and use simulation system of the present invention in laboratory environment, how to simulate existing optical azimuth device practical work process:
First the mirror support angle-measuring equipment 16 by installing on mirror support 17 rotation axis records the position signalling of reflector bracket 17, send master control and what comes into a driver's computing machine 20 to, by software systems, master control and what comes into a driver's computing machine 20 judge optical azimuth device is now be in which kind of duty (being namely observation sky or the target of level or celestial body), when for duty one (namely observing sky), read the azimuth information that the angle-measuring equipment (scheming not shown) be arranged on compass measures optical azimuth device, read the angle information that the catoptron angle-measuring equipment 18 be arranged on the rotation axis of catoptron 19 measures reflective mirror, receive the angle information (namely simulate angle information that hull rock) of host computer about hull level and orientation by described compass level and position angle receiving trap 14 simultaneously, sky null object shown on real-time transform image display 12 after master control and what comes into a driver's computing machine 20 calculate or celestial body, what comes into a driver's shown by image display 12 is shown to tester with the visual field identical with former azimuth mirror after optical couping device 11 collimates, tester is observed be equivalent to the simulation scene of infinite distance, when for duty two (namely observing the target of level), read the azimuth information that the angle-measuring equipment be arranged on compass measures optical azimuth device, receive the angle information (namely simulate angle information that hull rock) of host computer about hull level and orientation by described compass level and position angle receiving trap 14 simultaneously, target on surface level shown on real-time transform image display 12 after calculating, what comes into a driver's shown by image display 12 is shown to tester with the visual field identical with former azimuth mirror equally after optical system collimation, tester is observed be equivalent to the simulation scene of infinite distance.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly belongs to those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (4)
1. an analog system for optical azimuth device, it is characterized in that: comprise shell (10), master control and what comes into a driver's computing machine (20) and the optical couping device (11) installed in the enclosure, image display (12), display driver circuit (13), compass level and position angle receiving trap (14), object lens (15), mirror support angle-measuring equipment (16), mirror support (17), catoptron angle-measuring equipment (18), catoptron (19), catoptron (19) is movably arranged on one end of mirror support (17), the other end of mirror support (17) is flexibly connected with the center of object lens (15), mirror support angle-measuring equipment (16) is arranged on the rotation axis of mirror support (17), and catoptron angle-measuring equipment (18) is arranged on the rotation axis of catoptron (19), image display (12) is located at the inlet end of optical couping device (11), image display (12) is connected with master control and what comes into a driver's computing machine (20) by display driver circuit (13), and compass level and position angle receiving trap (14), mirror support angle-measuring equipment (16), catoptron angle-measuring equipment (18) and the angle-measuring equipment be arranged on compass are connected with described master control and what comes into a driver's computing machine (20).
2. analog system for optical azimuth device as claimed in claim 1, it is characterized in that: be arranged on the angle-measuring equipment on compass, mirror support angle-measuring equipment (16) and catoptron angle-measuring equipment (18) composition angle-measuring equipment, for measuring catoptron (19) and the angle information of mirror support and the azimuth information of optical azimuth device, and relative angle angle value is sent to master control and what comes into a driver's computing machine (20), master control and what comes into a driver's computing machine (20) receive host computer that compass level and position angle receiving trap (14) the provide angle information about hull level and orientation simultaneously.
3. analog system for optical azimuth device as claimed in claim 2, it is characterized in that: described master control and what comes into a driver's computing machine (20) generate steering order for the angle information in the azimuth information of the angle information according to the catoptron (19) received and mirror support (17), optical azimuth device, hull level and orientation, the respective change of control simulation what comes into a driver's, thus the simulation realizing observation what comes into a driver's.
4. analog system for optical azimuth device as claimed in claim 3, it is characterized in that: described master control and what comes into a driver's computing machine (20) are by pictcure generator, what comes into a driver's management and what comes into a driver's storehouse develop software, three-dimensional vision database forms, utilize what comes into a driver's management software and what comes into a driver's storehouse develop software on graphics workstation set up simulation scene, object module and background interference, the simulation scene simultaneously will set up, object module and background interference transform vision signal and send image display (12) to by display driver circuit 13, described image display (12) is for receiving the vision signal of described master control and what comes into a driver's computing machine (20), and vision signal is changed into visual image show, the visible ray dynamic scene collimation outgoing of described optical couping device (11) for described image display (12) is generated.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310261323.1A CN103337214B (en) | 2013-06-27 | 2013-06-27 | Analog system for optical azimuth device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310261323.1A CN103337214B (en) | 2013-06-27 | 2013-06-27 | Analog system for optical azimuth device |
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| CN103337214B true CN103337214B (en) | 2015-01-21 |
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| CN201310261323.1A Expired - Fee Related CN103337214B (en) | 2013-06-27 | 2013-06-27 | Analog system for optical azimuth device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108510939A (en) * | 2018-04-24 | 2018-09-07 | 中航大（天津）模拟机工程技术有限公司 | Simulation imaging system based on flexible O L ED display screen |
| CN110246403B (en) * | 2019-07-24 | 2021-06-18 | 哈尔滨工业大学（深圳） | Demonstration device and method for astigmatism and astigmatism elimination of electron microscope |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2295196Y (en) * | 1997-01-22 | 1998-10-21 | 郑学岭 | Direction finder |
| CN2570734Y (en) * | 2002-09-28 | 2003-09-03 | 大庆油田有限责任公司 | Frame gyroscope and flexible gyroscope combination measuring azimuth finder |
| US20040080823A1 (en) * | 2002-10-10 | 2004-04-29 | Sumitomo Electric Industries, Ltd. | Optical element |
| US7268544B2 (en) * | 2004-10-01 | 2007-09-11 | Alps Electric Co., Ltd. | Magnetism detecting device for canceling offset voltage |
| CN101718555B (en) * | 2009-11-27 | 2011-07-13 | 钱敏霞 | High-precision digital magnetic compass device |
| CN203366574U (en) * | 2013-06-27 | 2013-12-25 | 中国人民解放军海军工程大学 | Optical azimuth instrument simulation system |
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