CN204301611U - A kind of multi-mode seeker final assembly calibration device - Google Patents
A kind of multi-mode seeker final assembly calibration device Download PDFInfo
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- CN204301611U CN204301611U CN201420643213.1U CN201420643213U CN204301611U CN 204301611 U CN204301611 U CN 204301611U CN 201420643213 U CN201420643213 U CN 201420643213U CN 204301611 U CN204301611 U CN 204301611U
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- seeker
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Abstract
The utility model belongs to infrared/SAR multi-mode seeker final assembly and optics calibration and technical field of measurement and test, be specifically related to a kind of multi-mode seeker final assembly calibration device, object is that solution prior art cannot solve the problem to the calibration of multi-mode seeker complete machine.This device comprises optical stabilization platform (1), infrared target simulator (8), multi-mode seeker mounting base, complete machine connecting gear, motor pendulum mirror (2) and laser micrometer (9).The utility model adopts optical stabilization platform, infrared target simulator, multi-mode seeker mounting base, complete machine connecting gear, motor pendulum mirror and laser micrometer, thermal infrared imager and picture battle array control SAR imaging device can be provided at assembling deviation, for assembling process provides monitoring foundation, be convenient to the state close to coincidence adjusting to central axis.The utility model compact conformation, complete function, simple operation, automaticity is high, can realize Long-distance Control, radiation injury suffered by minimizing personnel.
Description
Technical field
The utility model belongs to infrared/SAR multi-mode seeker final assembly and optics calibration and technical field of measurement and test, is specifically related to a kind of multi-mode seeker final assembly calibration device.
Background technology
Infrared/SAR multi-mode seeker is the novel aiming means grown up in recent years, at present to the final assembly of infrared/SAR multi-mode seeker and calibration also do not have maturation, can the technology of practical application and equipment.Multi-mode seeker is made up of phased array SAR imaging device, thermal infrared imager, terminal guidance processor, and existing means of testing is also confined to test separately each cell mesh of multi-mode seeker.The method of testing adopting turntable and infrared target simulator to combine at present to the test of thermal infrared imager in multi-mode seeker.The method is arranged on multi-axis turntable by multi-mode seeker, before multi-mode seeker, an infrared target simulator is installed, infrared target simulator is fixed, turntable rotates certain pivot angle as true value, through image procossing can calculate infrared target at infrared seeker become displacement in image, can calculate multi-mode seeker error on line of sight by certain algorithm, but multi-axis turntable volume is comparatively large, safeguards and use all inconvenient; To the coaxality measurement of the optical axis of SAR gyroaxis and thermal infrared imager in multi-mode seeker, be divided into contact and non-contact measurement two kinds of methods at present, contact adopts phasing meter to measure beating of SAR gyroaxis, but after SAR start, there is very strong radiativity, in this way use seldom, therefore usually adopt capacitance gage to carry out axiality non-cpntact measurement, this method also has certain limitation, and it is easily by external electromagnetic environmental disturbances.Assembly of elements isolated method of testing can meet the test of performance indications to all parts, but as composite guide first entirety, above-mentioned measurement means accurately can't be measured the position relationship of infra-red thermal imaging instrument optical axis in multi-mode seeker and SAR radar body, can not meet the demand at present to multi-mode seeker final assembly calibration.
Summary of the invention
The purpose of this utility model is that solution prior art cannot solve the problem to the calibration of multi-mode seeker complete machine, provides a kind of multi-mode seeker final assembly calibration device.
The utility model is achieved in that
A kind of multi-mode seeker final assembly calibration device, comprises optical stabilization platform, infrared target simulator, multi-mode seeker mounting base, complete machine connecting gear, motor pendulum mirror and laser micrometer; Wherein, infrared target simulator, multi-mode seeker mounting base, complete machine connecting gear, motor pendulum mirror and laser micrometer are arranged on electricity stabilized platform.
Optical stabilization platform as above comprises support and table top, and support is that square steel welds the cuboid frame structure made, and table top is arranged on the upper surface of support, and table top is made up of granite building material, and upper working face flatness is level.
Infrared target simulator as above be 100mm bore from axle optical autocollimating system.
Motor pendulum mirror as above comprises two-dimensional wiggle mechanism and speculum, and the optical axis of infrared target simulator regulates and overlaps with the mirror center of zero-bit state.
Multi-mode seeker mounting base as above is divided into head-shield mounting base and SAR mounting base, and head-shield and SAR are mounted to by flange face respectively and install head-shield mounting base and SAR mounting base, and two installed surfaces are adjusted to preset distance in advance.
Complete machine connecting gear as above is arranged on optical stabilization platform upper surface, is made up of transmission guide rail and hold-fast body; Wherein, hold-fast body comprises support, positioning pin column and locking knob, and support installing is transmitting guide rail, outline octagon, Internal periphery circular configuration; Bracket end face is installed surface, and annular is laid and installed screwed hole and two positioning pin columns; Locking knob is distributed on support four inclined-planes, and knob top is cylinder cambered surface, with the radius such as the back end cylindrical face of multi-mode seeker, and four locking knobs locking multi-mode seeker.
Laser micrometer as above is laser triangulation laser ranging product.
The beneficial effects of the utility model are:
The utility model adopts optical stabilization platform 1, infrared target simulator 8, multi-mode seeker mounting base, complete machine connecting gear, motor pendulum mirror 2 and laser micrometer 9, constitute one-stop multi-mode seeker final assembly calibration device, thermal infrared imager and picture battle array control SAR imaging device can be provided at assembling deviation, i.e. two device central axis angular deviations diametrically, with offset deviation, for assembling process provides monitoring foundation, be convenient to the state close to coincidence adjusting to central axis.For the complete multi-mode seeker of assembling, use the calibration that this calibration device can carry out within the scope of full filed, being convenient to the later stage provides corrected parameter when using.The utility model compact conformation, complete function, simple operation, automaticity is high, can realize Long-distance Control, radiation injury suffered by minimizing personnel.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of a kind of multi-mode seeker final assembly calibration device of the present utility model;
In figure, 1. optical stabilization platform, 2. motor pendulum mirror, 3. head-shield mounting base, 4. multi-mode seeker, 5.SAR mounting base, 6. hold-fast body, 7. transmit guide rail, 8. infrared target simulator, 9. laser micrometer.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, a kind of multi-mode seeker final assembly calibration device of the present utility model is described:
As shown in Figure 1, a kind of multi-mode seeker final assembly calibration device, comprises optical stabilization platform 1, infrared target simulator 8, multi-mode seeker mounting base, complete machine connecting gear, motor pendulum mirror 2 and laser micrometer 9.Wherein, infrared target simulator 8, multi-mode seeker mounting base, complete machine connecting gear, motor pendulum mirror 2 and laser micrometer 9 are arranged on electricity stabilized platform 1; Infrared target simulator 8 produces infrared target, motor pendulum mirror 2 is by after catadioptric for the directional light of infrared target, inject the thermal infrared imager visual field of multi-mode seeker 4, the incident angle that the incident angle of standard of comparison and image procossing obtain, the rigging error between thermal infrared imager and SAR can be calculated, and for assembling after multi-mode seeker the foundation revised in full filed is provided; Laser micrometer 9, for measuring the jerk value of the outer datum level of infra-red thermal imaging instrument optical lens, can complete the measurement of thermal infrared imager optical axis and SAR gyroaxis axiality; Multi-mode seeker 4 pushes away and is put into assigned address by complete machine connecting gear, and multi-mode seeker mounting base is for installing multi-mode seeker.
In the present embodiment, optical stabilization platform 1 comprises support and table top, and support is that square steel welds the cuboid frame structure made, and table top is arranged on the upper surface of support, and table top is made up of granite building material, and upper working face flatness is 00 grade.
Infrared target simulator 8 is arranged on optical stabilization platform 1 upper surface, the 100mm bore that infrared target simulator 8 designs for prior art from axle optical autocollimating system, the temperature being positioned at focal plane infrared light supply can be become the target of infinity with shape equivalence, and set up the transmission benchmark of optics calibration instrument self attitude.
Motor pendulum mirror 2 is arranged on optical stabilization platform 1 upper surface, comprise two-dimensional wiggle mechanism and speculum, existing mature technology is all adopted to design, during installation, the optical axis of infrared target simulator 8 is regulated and overlap with the mirror center of zero-bit state, by changing orientation and the angle of pitch of two-dimensional wiggle mechanism, form the change of reflecting surface orientation and pitching, thus realize infrared target simulator 8 optical axis spatial direction and deflect with 2 times of corners, for thermal imaging system full filed demarcates the target provided on normal orientation and luffing angle.
Multi-mode seeker mounting base is divided into head-shield mounting base 3 and SAR mounting base 5, is arranged on working face on optical stabilization platform 1.Multi-mode seeker mounting base is prior art, during assembling, head-shield and SAR are all mounted to mounting base by flange face, two installed surfaces are adjusted to preset distance in advance, and this preset distance can adopt existing techniques in realizing according to the relative distance of two installed surfaces under multi-mode seeker using state., and the depth of parallelism ensureing installed surface is measured by external equipments such as laser trackers.
Complete machine connecting gear is arranged on optical stabilization platform 1 upper surface, is made up of transmission guide rail 7 and hold-fast body 6.Hold-fast body 6 comprises support, positioning pin column and locking knob, and support installing is transmitting guide rail 7, outline octagon, Internal periphery circular configuration.Bracket end face is installed surface, and annular is laid and installed screwed hole and two positioning pin columns.Locking knob is distributed on support four inclined-planes, and knob top is cylinder cambered surface, and with radiuses such as the back end cylindrical faces of multi-mode seeker 4, four locking knobs effectively can lock multi-mode seeker 4, and can carry out small translational adjustment at vertical plane.Positioning pin column adopts the universal product to realize.
The support that complete machine connecting gear can provide multi-mode seeker 4 reliable and stable, improves the assembling convenience of thermal infrared imager on the servo platform load installed surface of SAR radar body.
Laser micrometer 9 is arranged on optical stabilization platform 1 upper surface.Laser micrometer 9 is existing laser triangulation laser ranging product, can measure relative distance in micron dimension.
Concrete calibration implementation step:
Step 1: by head-shield to installing head-shield mounting base 3, infrared target simulator 8 is started shooting and is heated;
Step 2: rotate and transmit guide rail 7, moved by hold-fast body 6 with SAR mounting base 5 apart from 700mm position, after opening the locking knob of hold-fast body 6, inserts the back end cylindrical face of multi-mode seeker 4 in the support of hold-fast body 6, rotates and locked locking knob.
Step 3: rotate and transmit guide rail 7, hold-fast body 6 is moved with SAR mounting base 5 apart from 150mm position, now the outer datum level of the optical lens of thermal infrared imager is in the measured zone of laser micrometer 9, open laser micrometer 9, recording distance, SAR wraparound rotating shaft stops 8 ~ 16 times at equal intervals, the distance of recording laser micrometer 9 measurement respectively, adopts prior art to calculate the axiality of the optical axis of SAR gyroaxis and thermal infrared imager.
Step 4: rotate transmission guide rail 7 and move hold-fast body 6, the pin-and-hole in the mounting flange face of multi-mode seeker 4 is matched with the positioning pin column contacting hold-fast body 6, the fixed installation screw of multi-mode seeker 4 is installed, multi-mode seeker 4 is mounted to SAR mounting base, unclamps the locking knob of hold-fast body 6.
Step 5: motor pendulum mirror 2 back to zero, multi-mode seeker 4, when SAR angle of revolution is zero, gathers image by thermal infrared imager, and Treatment Analysis calculates position, target image space; Motor pendulum mirror 2 is constant, and multi-mode seeker 4, when SAR angle of revolution is 180 °, gathers image by thermal infrared imager, and Treatment Analysis calculates position, target image space, the non-perpendicularity thus between analytical calculation thermal infrared imager optical axis and the SAR surface of revolution.
Step 6: multi-mode seeker 4 is when SAR angle of revolution is zero, motor pendulum mirror 2 moves at equal intervals in thermal infrared imager field range, respectively thermal infrared imager gathers the image of correspondence position and analyzing and processing, calculates the errors table within the scope of multi-mode seeker 4 full filed.
The utility model adopts optical stabilization platform 1, infrared target simulator 8, multi-mode seeker mounting base, complete machine connecting gear, motor pendulum mirror 2 and laser micrometer 9, constitute one-stop multi-mode seeker final assembly calibration device, thermal infrared imager and picture battle array control SAR imaging device can be provided at assembling deviation, i.e. two device central axis angular deviations diametrically, with offset deviation, for assembling process provides monitoring foundation, be convenient to the state close to coincidence adjusting to central axis.For the complete multi-mode seeker of assembling, use the calibration that this calibration device can carry out within the scope of full filed, being convenient to the later stage provides corrected parameter when using.The utility model compact conformation, complete function, simple operation, automaticity is high, can realize Long-distance Control, radiation injury suffered by minimizing personnel.
Claims (7)
1. a multi-mode seeker final assembly calibration device, is characterized in that: comprise optical stabilization platform (1), infrared target simulator (8), multi-mode seeker mounting base, complete machine connecting gear, motor pendulum mirror (2) and laser micrometer (9); Wherein, infrared target simulator (8), multi-mode seeker mounting base, complete machine connecting gear, motor pendulum mirror (2) and laser micrometer (9) are arranged on electricity stabilized platform (1).
2. a kind of multi-mode seeker final assembly calibration device according to claim 1, it is characterized in that: described optical stabilization platform (1) comprises support and table top, support is that square steel welds the cuboid frame structure made, table top is arranged on the upper surface of support, table top is made up of granite building material, and upper working face flatness is 00 grade.
3. a kind of multi-mode seeker final assembly calibration device according to claim 1, is characterized in that: described infrared target simulator (8) is 100mm bore from axle optical autocollimating system.
4. a kind of multi-mode seeker final assembly calibration device according to claim 1, it is characterized in that: described motor pendulum mirror (2) comprises two-dimensional wiggle mechanism and speculum, the optical axis of infrared target simulator (8) regulates and overlaps with the mirror center of zero-bit state.
5. a kind of multi-mode seeker final assembly calibration device according to claim 1, it is characterized in that: described multi-mode seeker mounting base is divided into head-shield mounting base (3) and SAR mounting base (5), head-shield and SAR are mounted to by flange face respectively and install head-shield mounting base (3) and SAR mounting base (5), and two installed surfaces are adjusted to preset distance in advance.
6. a kind of multi-mode seeker final assembly calibration device according to claim 1, it is characterized in that: described complete machine connecting gear is arranged on optical stabilization platform (1) upper surface, be made up of transmission guide rail (7) and hold-fast body (6); Wherein, hold-fast body (6) comprises support, positioning pin column and locking knob, and support installing is transmitting guide rail (7), outline octagon, Internal periphery circular configuration; Bracket end face is installed surface, and annular is laid and installed screwed hole and two positioning pin columns; Locking knob is distributed on support four inclined-planes, and knob top is cylinder cambered surface, with the radius such as the back end cylindrical face of multi-mode seeker (4), and four locking knobs locking multi-mode seeker (4).
7. a kind of multi-mode seeker final assembly calibration device according to claim 1, is characterized in that: described laser micrometer is laser triangulation laser ranging product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420643213.1U CN204301611U (en) | 2014-11-02 | 2014-11-02 | A kind of multi-mode seeker final assembly calibration device |
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| CN201420643213.1U CN204301611U (en) | 2014-11-02 | 2014-11-02 | A kind of multi-mode seeker final assembly calibration device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627824A (en) * | 2014-11-02 | 2016-06-01 | 北京航天计量测试技术研究所 | Complete-machine assembly and calibration device for combined seeker |
| CN109099768A (en) * | 2018-09-03 | 2018-12-28 | 中国科学院长春光学精密机械与物理研究所 | A kind of method and system of the optical axis installation error calibration applied to target seeker |
-
2014
- 2014-11-02 CN CN201420643213.1U patent/CN204301611U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627824A (en) * | 2014-11-02 | 2016-06-01 | 北京航天计量测试技术研究所 | Complete-machine assembly and calibration device for combined seeker |
| CN105627824B (en) * | 2014-11-02 | 2017-09-29 | 北京航天计量测试技术研究所 | A kind of multi-mode seeker final assembly calibration device |
| CN109099768A (en) * | 2018-09-03 | 2018-12-28 | 中国科学院长春光学精密机械与物理研究所 | A kind of method and system of the optical axis installation error calibration applied to target seeker |
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