CN204649386U - A kind of high precision multiband dynamic goal simulator device - Google Patents
A kind of high precision multiband dynamic goal simulator device Download PDFInfo
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- CN204649386U CN204649386U CN201520331933.9U CN201520331933U CN204649386U CN 204649386 U CN204649386 U CN 204649386U CN 201520331933 U CN201520331933 U CN 201520331933U CN 204649386 U CN204649386 U CN 204649386U
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Abstract
The utility model discloses a kind of high precision multiband dynamic goal simulator device, comprise base, also comprise and be arranged on light supply apparatus on base and objective table, objective table is provided with target dish, target dish is driven by the target disc spins motor be arranged on objective table and rotates, target dish offer several targets along rotation round, objective table offers circular port, the emergent light of light supply apparatus is incident upon time off-axis aspheric surface catoptron through circular port and rotation to the target of circular port position, reflected light projects is carried out secondary reflection by secondary off-axis aspheric surface catoptron on main off-axis aspheric surface catoptron.The utility model meets the test request of the many targets of high precision multiband, miniature portable, cost are low, under the prerequisite of volume 300*260*240mm, weight 6Kg, the angle precision of simulated visible light/infrared target motion reaches 0.0001 °, meets the detection needs of various static state, dynamic indicator.
Description
Technical field
The utility model belongs to photodetection tracker Performance Detection field, is specifically related to a kind of high precision multiband dynamic goal simulator device, is applied to infrared, the static state of TV acquisition tracking system, dynamic performance index detection field.
Background technology
High precision multiband dynamic goal simulator is made up of light source, target, servo movement mechanism and optical system.
Dynamic goal simulator is the device for simulating infinity moving target, common design concept is, the target of certain target signature pattern is placed in the focal plane position of optical system, target pattern is after the reflection or refraction of lens set in optical system, formation directional light exports, thus the static object of simulation unlimited distance, then go out dynamic object by the motion simulation that mechanical motion mechanism controls whole optical system.It is generally applied in the performance index detection field of TV detecting and tracking, infrared acquisition tracker.In order to ensure the high precision of optical parallel degree, the focal length of parallel light tube must be improved.Common parallel light tube adopts spherical reflector primary event or off-axis aspheric mirror to add the light path design of a plane mirror Secondary Emission, under go-no-go and focal length require, length, the volume of the parallel light tube processed are all larger, and, common parallel light tube all adopts optical glass to make eyeglass, because optical glass density is high, cause eyeglass weight large, processing cost is high.In order to ensure the high precision that simulated target is moved, must design high-precision mechanical moving structure, conventional mechanical drive is difficult to reach micron-sized accuracy requirement, and due to whole optical system will be driven to move together, causes mechanical mechanism huge.Therefore, common dynamic goal simulator is large due to its volume weight, can only be placed on factory or laboratory use, cannot meet portable on-line checkingi demand.
Chinese utility model patent CN201110098357.4 provides a kind of optical dynamic target device with high accuracy, its technological approaches adopts Laser Autocollimator simulating infinite point target, Laser Autocollimator is arranged on pivot arm, simulates dynamic object by the control rotation of pivot arm and the reflection of multiple catoptron.The volume of this method pivot arm is larger, and Laser Autocollimator and multiple catoptron are all mounted on pivot arm, the athletic meeting of pivot arm brings the skew of light path, and target pattern is single, also can only the coning motion track of simulated target by the motion of pivot arm, there is limitation.
Chinese utility model patent CN200810050586.7 proposes target rotary drum, the first catoptron and bias current mirror three to be fixed on rotary work-table, the light of light source is radiated on Target Board, Target Board images on bias current mirror after the first catoptron reflection, infinity target can be simulated, then carry out the motion of realize target by controlling rotary work-table.This method is also the dynamic similation that mass motion by controlling target and light path system carrys out realize target, there is the limitation that volume weight is bigger than normal, precision is not high equally.
" laser and infrared " infrared dynamic goal simulator system described in the 41st volume the 1st phase paper " infrared dynamic goal simulator drives and Control System Design " in 2011 adopts micro reflector array (DMD) to produce dynamic object scene, the image planes of DMD device are placed in the focal plane position of optical system, thus the infrared dynamic scene of simulation infinite distance.This method adopts import DMD device, and cost is very high, high to input control semaphore request, and development difficulty is large, be difficult to volume production and promote, and this system can only simulate infrared dynamic object, can not simulated visible light target.
Infrared point source target simulator described in " Beijing Institute of Technology's journal " the 32nd volume the 8th phase paper " Infrared point source target simulator " in 2012 adopts the diameter changing Guang Lan hole, simulate the target of different size, by the position of rotation direction mirror control objectives in target seeker visual field, the motion of simulated target, achieves the simulation to infrared target kinetic characteristic.This method adopts the rotation of direction mirror to change the direction of outgoing beam, and the angle of rotation of outgoing beam is 2 times of direction mirror rotational angle, and therefore target travel precision is difficult to improve, and this system just simulates infrared target, can not simulated visible light target.
Utility model content
The purpose of this utility model is the problems referred to above being to exist for prior art, provides a kind of high precision multiwave dynamic goal simulator device.Solve that common dynamic goal simulator volume weight is large, target is single, wave band is single, high in cost of production problem.Can be used for TV, infrared acquisition tracker detection field, the infinity dynamic object of simulated visible light wave band, infrared band, have that precision is high, multiband, volume are little, lightweight, low cost and other advantages, can be applicable to the static state of photodetection tracker, the detection of dynamic performance index.
In order to realize above-mentioned object, the utility model adopts following technical measures:
A kind of high precision multiband dynamic goal simulator device, comprise base, also comprise and be arranged on light supply apparatus on base and objective table, objective table is provided with target dish, target dish is driven by the target disc spins motor be arranged on objective table and rotates, target dish offer several targets along rotation round, objective table offers circular port, the emergent light of light supply apparatus is incident upon time off-axis aspheric surface catoptron through circular port and rotation to the target of circular port position, reflected light projects is carried out secondary reflection by secondary off-axis aspheric surface catoptron on main off-axis aspheric surface catoptron.
The material of time off-axis aspheric surface catoptron as above is glass; The material of described main off-axis aspheric surface catoptron is duralumin.
Light supply apparatus as above comprises the light source switch guide be arranged on objective table, the slide block of light source switch guide is disposed with visible light source and infrared origin, also comprises and drives the reciprocating light source switch motor of slide block.
Objective table as above is arranged on base by two-dimension translational platform mechanism body.
This device comprises two visible rays and infrared two kinds of light sources, visible light source and infrared origin horizontal Tile are fixed on the upper end of light source switch guide, both centers are on a horizontal line, moving horizontally of light source switch guide can be controlled by the rotation of light source switch motor, realize the switching of light source.Two-dimension translational platform mechanism body adopts ball screw drive mode, the rotation of X-axis ball screw is driven by translation stage X-axis motion motor, realize the translation in the X-axis direction of loading table top, the rotation of Y-axis ball screw is driven by translation stage Y-axis motion motor, realize the translation in the Y-axis direction of loading table top, control the arbitrary trajectory motion of rotation realization control objective table on two dimensional surface of X-axis, y-axis motor simultaneously.Loading table top there is manhole, for the light through light source.The periphery of target dish is fixed with the target of multiple different pattern, target dish is fixed on target disc spins motor shaft, target disc spins motor fuselage is fixed on objective table, and its rotation axis coordinates with the circular hole on objective table is dynamic, the target of different pattern can be registered to the manhole position on objective table by the rotation of target disc spins motor, switch for target when detecting Different Dynamic, Static State Index.Main off-axis aspheric surface catoptron is relative with the reflecting surface of time off-axis aspheric surface catoptron, forms twice-folded light path system, and its focal plane is positioned at the target planimetric position rotating target disc.By the light source moving horizontally switching of light source switch guide, the light beam irradiation of launching from light source is to the manhole of objective table, rotate the target of target disc through through hole after, be irradiated to time off-axis aspheric surface catoptron, become owner of off-axis aspheric surface catoptron through primary event is laggard, export after second time reflection, the target of through hole is transformed to infinite distance target, achieved the arbitrary trajectory motion of target by the two dimensional motion controlling two-dimension translational platform.
In order to ensure the high precision of optical system, in limited volumetric spaces, adopt the light path folded for twice to ensure the long-focus requirement of light path, employing reflecting surface is the blind area area at the main off-axis aspheric surface catoptron minimizing light path center of concave surface, thus improve picture element and the depth of parallelism, employing reflecting surface is that focal length extends by the secondary off-axis aspheric surface catoptron of convex surface, makes full use of space.
In order to ensure the high precision of mechanical moving structure, ball screw drive mode is adopted to realize X, the Y-axis motion of two-dimension translational platform mechanism, adopt and preset the straigheness that leveling shifting movement is protected in rail design, micro-stepping motors is adopted to realize the control accuracy of single step campaign, single step precision reaches 1.25um, and repeatable accuracy reaches 1um.
In order to reduce the processing cost of main off-axis aspheric surface catoptron, casting out the high power of Optical equations, having reduced the difficulty of processing of main off-axis aspheric surface catoptron.Adopt time off-axis aspheric surface catoptron pairing parameter designing, make up the loss of image quality that the high power owing to casting out Optical equations brings.
In order to alleviate the weight of parallel light tube device, adopt duralumin material to process main off-axis aspheric surface catoptron, make the weight of this eyeglass reduce 37.2%, meanwhile, processing cost also reduces by 55%.
The utility model compared with prior art, has the following advantages:
The utility model adopts the design of light source switch guide, the design of two-dimentional precise hard_drawn tuhes translation stage, rotates target disc design and off-axis aspheric surface light path design, meet the test request of the many targets of high precision multiband, miniature portable, cost are low, under the prerequisite of volume 300*260*240mm, weight 6Kg, the angle precision of simulated visible light/infrared target motion reaches 0.0001 °, and the target of the various shape that can automatically switch, meet the detection needs of various static state, dynamic indicator.In order to alleviate the weight of dynamic goal simulator device, adopt duralumin material to process main off-axis aspheric surface catoptron, make the weight of this eyeglass reduce 37.2%, meanwhile, processing cost also reduces by 55%.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of high precision multiband dynamic goal simulator device.
Wherein: 1-visible light source, 2-infrared origin, 3-light source switch guide, 4-light source switch motor, 5-translation stage X-axis motion motor, 6-translation stage Y-axis motion motor, 7-two-dimension translational platform mechanism body, 8-target disc spins motor, 9-target dish, 10-objective table, 11-target, 12-base, 13-off-axis aspheric surface catoptron, the main off-axis aspheric surface catoptron of 14-.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail:
A kind of high precision multiband dynamic goal simulator device, comprise base 12, also comprise and be arranged on light supply apparatus on base 12 and objective table 10, objective table 10 is provided with target dish 9, target dish 9 drives rotation by the target disc spins motor 8 be arranged on objective table 10, target dish 9 offer several targets 11 along rotation round, objective table 10 offers circular port, the emergent light of light supply apparatus is incident upon time off-axis aspheric surface catoptron 13 through circular port and rotation to the target 11 of circular port position, reflected light projects is carried out secondary reflection by secondary off-axis aspheric surface catoptron 13 on main off-axis aspheric surface catoptron 14.The material of secondary off-axis aspheric surface catoptron 13 is glass; The material of described main off-axis aspheric surface catoptron 14 is duralumin.Light supply apparatus comprises the light source switch guide 3 be arranged on objective table 10, the slide block of light source switch guide 3 is disposed with visible light source 1 and infrared origin 2, also comprises and drives the reciprocating light source switch motor 4 of slide block.Objective table 10 is arranged on base 12 by two-dimension translational platform mechanism body 7.
According to Fig. 1, visible light source 1 and infrared origin 2 horizontal Tile are fixed on the upper end of light source switch guide 3, both centers can control moving horizontally of light source switch guide 3 by the rotation of light source switch motor 4, realize the switching of light source on a horizontal line.Two-dimension translational platform mechanism body 7 adopts ball screw drive mode, the rotation of X-axis ball screw is driven by translation stage X-axis motion motor 5, realize the translation in the X-axis direction of loading table top, the rotation of Y-axis ball screw is driven by translation stage Y-axis motion motor 6, realize the translation in the Y-axis direction of loading table top, the rotation simultaneously controlling translation stage X-axis motion motor 5 and translation stage Y-axis motion motor 6 realizes controlling the arbitrary trajectory motion of objective table on two dimensional surface.The table top of objective table 10 there is manhole, for the light through light source.The periphery of target dish 9 is fixed with the target 11 of multiple different pattern, target dish 9 is fixed on the motor shaft of target disc spins motor 8, the fuselage of target disc spins motor 8 is fixed on objective table 10, and its rotation axis coordinates with the circular hole on objective table 10 is dynamic, the target 11 of different pattern can be registered to the manhole position on objective table 10 by the rotation of target disc spins motor 8, switch for the target 11 when detecting Different Dynamic, Static State Index.Main off-axis aspheric surface catoptron 14 is relative with the reflecting surface of time off-axis aspheric surface catoptron 13, forms twice-folded light path system, and its focal plane is positioned at the target planimetric position rotating target disc.By the light source moving horizontally switching of light source switch guide 3, the light beam irradiation of launching from light source is to the manhole of objective table, after target 11 through manhole place rotary target bidding quotation 9, be irradiated to time off-axis aspheric surface catoptron 13, become owner of off-axis aspheric surface catoptron 14 through primary event is laggard, export after second time reflection, the target 11 of through hole is transformed to infinite distance target, achieved the arbitrary trajectory motion of target by the two dimensional motion controlling two-dimension translational platform.
In order to ensure the high precision of optical system, in limited volumetric spaces, adopt the light path folded for twice to ensure the long-focus requirement of light path, reflecting surface is adopted to be the blind area area that the main off-axis aspheric surface catoptron 14 of concave surface reduces light path center, thus improve picture element and the depth of parallelism, employing reflecting surface is that focal length extends by the secondary off-axis aspheric surface catoptron 13 of convex surface, makes full use of space.
In order to ensure the high precision of mechanical moving structure, ball screw drive mode is adopted to realize X, the Y-axis motion of two-dimension translational platform mechanism 7, adopt and preset the straigheness that rail design ensures translation motion, adopt micro-stepping motors to realize the control accuracy of single step campaign.
In order to reduce the processing cost of main off-axis aspheric surface catoptron 14, casting out the high power of Optical equations, having reduced the difficulty of processing of main off-axis aspheric surface catoptron 14.Adopt time off-axis aspheric surface catoptron 13 to match parameter designing, make up the loss of image quality that the high power owing to casting out Optical equations brings.
For alleviating the weight of parallel light tube device, main off-axis aspheric surface catoptron 14 adopts 7075 type duralumin (magnalium pltine) material to process, and has the intensity of superelevation; Secondary off-axis aspheric surface catoptron 13 adopts glass material to process.
Dynamic goal simulator of the present utility model is mancarried device, therefore, structure installment will take into full account vibrationproof, shock resistance requirement.For this reason, the installation site of light source switch guide 3, two-dimentional precise hard_drawn tuhes translation stage 7 and target dish 9 target 11 will strictly be debugged, and is fixed by screw; The aluminium matter eyeglass of main off-axis aspheric surface catoptron 14 and the glass mirror of time off-axis aspheric surface catoptron 13 all adopt solid airtight structure, corresponding supporting eyeglass Connection Block is had to be attached thereto, eyeglass Connection Block adopts high-strength material, strictly supporting with the eyeglass that will fix, impulsive force, vibration force are uniformly distributed on minute surface body, alleviate the possibility of lens deformation and damage.First by eyeglass and Connection Block supporting fixing, be then fixed on casing by the Connection Block with fine adjustment mechanism, all installation fixed screws all carry out cementing.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (4)
1. a high precision multiband dynamic goal simulator device, comprise base (12), it is characterized in that, also comprise and be arranged on light supply apparatus on base (12) and objective table (10), objective table (10) is provided with target dish (9), target dish (9) is driven by the target disc spins motor (8) be arranged on objective table (10) and rotates, target dish (9) offer several targets (11) along rotation round, (10) offer circular port with objective table, the emergent light of light supply apparatus is incident upon time off-axis aspheric surface catoptron (13) through circular port and rotation to the target (11) of circular port position, reflected light projects is carried out secondary reflection by secondary off-axis aspheric surface catoptron (13) on main off-axis aspheric surface catoptron (14).
2. a kind of high precision multiband dynamic goal simulator device according to claim 1, is characterized in that, the material of described secondary off-axis aspheric surface catoptron (13) is glass; The material of described main off-axis aspheric surface catoptron (14) is duralumin.
3. a kind of high precision multiband dynamic goal simulator device according to claim 1, it is characterized in that, described light supply apparatus comprises the light source switch guide (3) be arranged on objective table (10), the slide block of light source switch guide (3) is disposed with visible light source (1) and infrared origin (2), also comprises and drive the reciprocating light source switch motor (4) of slide block.
4. a kind of high precision multiband dynamic goal simulator device according to claim 1, it is characterized in that, described objective table (10) is arranged on base (12) by two-dimension translational platform mechanism body (7).
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| CN201520331933.9U CN204649386U (en) | 2015-02-12 | 2015-05-20 | A kind of high precision multiband dynamic goal simulator device |
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| CN201520102079 | 2015-02-12 | ||
| CN2015201020799 | 2015-02-12 | ||
| CN201520331933.9U CN204649386U (en) | 2015-02-12 | 2015-05-20 | A kind of high precision multiband dynamic goal simulator device |
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| CN201510260811.XA Pending CN104849023A (en) | 2015-02-12 | 2015-05-20 | High-precision multiband dynamic object simulator apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104849023A (en) * | 2015-02-12 | 2015-08-19 | 中国人民解放军武汉军械士官学校 | High-precision multiband dynamic object simulator apparatus |
| CN112748558A (en) * | 2020-12-31 | 2021-05-04 | 中国科学院西安光学精密机械研究所 | Wide-spectrum large-dynamic-range optical system and test calibration method |
| CN114326681A (en) * | 2021-12-31 | 2022-04-12 | 上海集度汽车有限公司 | Driving environment simulation device, method, system, equipment and storage medium |
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| CN106643798B (en) * | 2016-12-22 | 2020-01-03 | 中国科学院光电技术研究所 | Visible light target simulation system |
| CN106814446A (en) * | 2017-01-17 | 2017-06-09 | 哈尔滨工业大学 | Cellular type moving sweep device is determined in revolution |
| CN108168842A (en) * | 2017-12-13 | 2018-06-15 | 中国科学院长春光学精密机械与物理研究所 | A kind of controllable infrared target generating means |
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| CN109596318A (en) * | 2018-12-31 | 2019-04-09 | 华中光电技术研究所（中国船舶重工集团有限公司第七七研究所） | Visible light and infrared dynamic object simulator |
| CN110440828A (en) * | 2019-08-14 | 2019-11-12 | 中国科学院长春光学精密机械与物理研究所 | A kind of infinity target generator of automatically replaceable target |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TW405027B (en) * | 1999-09-07 | 2000-09-11 | Asia Optical Co Inc | The technique of lowering the noise/signal ratio in the distance-measuring instrument |
| CN201945781U (en) * | 2010-11-17 | 2011-08-24 | 上海市北印刷（集团）有限公司 | Workroom of digital measurement and acquisition |
| CN102681196A (en) * | 2012-05-25 | 2012-09-19 | 中国人民解放军武汉军械士官学校 | High-precision portable wide-spectrum parallel light pipe device |
| CN203534793U (en) * | 2013-10-10 | 2014-04-09 | 湖南华南光电(集团)有限责任公司 | Portable high-precision infrared target simulator |
| CN203773148U (en) * | 2014-03-07 | 2014-08-13 | 中国人民解放军总装备部军械技术研究所 | Off-axis double reflector type aspheric-surface collimator used for multiband target simulation and detection |
| CN203848859U (en) * | 2014-04-10 | 2014-09-24 | 西京学院 | Planar target plate device for simulating object motion |
| CN204649386U (en) * | 2015-02-12 | 2015-09-16 | 中国人民解放军武汉军械士官学校 | A kind of high precision multiband dynamic goal simulator device |
-
2015
- 2015-05-20 CN CN201520331933.9U patent/CN204649386U/en not_active Expired - Fee Related
- 2015-05-20 CN CN201510260811.XA patent/CN104849023A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849023A (en) * | 2015-02-12 | 2015-08-19 | 中国人民解放军武汉军械士官学校 | High-precision multiband dynamic object simulator apparatus |
| CN112748558A (en) * | 2020-12-31 | 2021-05-04 | 中国科学院西安光学精密机械研究所 | Wide-spectrum large-dynamic-range optical system and test calibration method |
| CN114326681A (en) * | 2021-12-31 | 2022-04-12 | 上海集度汽车有限公司 | Driving environment simulation device, method, system, equipment and storage medium |
| CN114326681B (en) * | 2021-12-31 | 2023-08-25 | 上海集度汽车有限公司 | Driving environment simulation device, method, system, equipment and storage medium |
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| Publication number | Publication date |
|---|---|
| CN104849023A (en) | 2015-08-19 |
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Granted publication date: 20150916 Termination date: 20160520 |