CN104750123A - Large-visual-field whisk broom bidirectional image shifting compensation onboard area array imager - Google Patents
Large-visual-field whisk broom bidirectional image shifting compensation onboard area array imager Download PDFInfo
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- CN104750123A CN104750123A CN201510145365.8A CN201510145365A CN104750123A CN 104750123 A CN104750123 A CN 104750123A CN 201510145365 A CN201510145365 A CN 201510145365A CN 104750123 A CN104750123 A CN 104750123A
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Abstract
The invention discloses a large-visual-field whisk broom bidirectional image shifting compensation onboard area array imager. An inner ring frame subassembly of the imager is inserted in an outer ring subassembly, and a 45-degree pitching mirror subassembly, a whisk broom imager cantilever type oscillating shaft gap-eliminating high-frequency image shifting compensating device, a folding mirror subassembly and an imaging subassembly are fixedly arranged in the inner ring frame subassembly. The large-visual-field whisk broom bidirectional image shifting compensation onboard area array imager is reasonable, simple and compact in structure, high-precision image shifting compensation on a flying direction and a wing unfolding direction of a plane is implemented effectively in a large-visual-field whisk broom imaging process, and the imaging quality is high.
Description
Technical field
The present invention relates to a kind of airborne battle array imager, be specifically related to the two-way IMC of a kind of Large visual angle sweeping airborne battle array imager.
Background technology
Airborne battle array imager carries aboard, realizes the equipment to ground staring imaging in flight course.The mode of carrying out sweeping in aeroplane span direction is mainly adopted to complete the large area scanning imaging of spanwise at airborne the battle array imager ground at present.Airborne battle array imager needs certain integral time (or time shutter) when staring imaging, make light-sensitive medium obtain enough luminous energies.Within this time, the sweeping in aeroplane span direction due to carrier aircraft high-speed mobile and airborne battle array imager, can cause imaging optical axis in integral time to move, thus the image slices producing aircraft flight direction and spanwise is moved.Based on above reason, in order to eliminate, high spatial resolution, large speed are high moves impact on image quality than Large visual angle imaging picture under, long integral time condition, meet high speed many pictures overlapping imaging simultaneously, need the high precision IMC carrying out heading and spanwise, airborne general battle array imager is then helpless to this, and complex structure is loaded down with trivial details, cost is high.
Summary of the invention
Battle array imager complex structure is loaded down with trivial details, cost is high, can not realize carrying out at carrier aircraft heading and spanwise the shortcoming of high precision IMC to the object of the invention is to overcome existing airborne, a kind of simple and compact for structure, the two-way IMC of Large visual angle sweeping airborne battle array imager that cost is low is provided, when the high-altitude flight carriers such as lift-launch transporter carry out the scanning imagery of sweeping on a large scale of spanwise over the ground, to the capable high precision IMC of image slices shift-in of aircraft flight direction and spanwise, reach the demand of high precision image quality.
For achieving the above object, the present invention adopts following technical proposals:
A kind of two-way IMC of Large visual angle sweeping airborne battle array imager, comprises outer ring assembly 1, inner ring frame frame component 2,45 ° of tilt mirrors assemblies 3, and sweeping imager cantilevered balance staff disappears gap high frequency image motion compensation device 4, mirror assembly 5 of turning back, image-forming assembly 6; It is characterized in that:
Described outer ring assembly 1 comprises sweeping voice coil motor 1-1, outer shroud main frame 1-2, four handles 1-3, four outer shroud leg 1-4, four vibroshock 1-5, four shock absorber support 1-6, mounting base 1-7, outer shroud flexible damper 1-8, outer shroud limited block 1-9, its structure is: described outer shroud main frame 1-2 is rectangular loop configuration, and the described sweeping voice coil motor 1-1 of front end fixed installation scrambler is fixedly mounted in described outer shroud main frame 1-2 front end face rounded engagement groove by screw, two in described four handles 1-3 are fixedly mounted on the right side of described outer shroud main frame 1-2 by screw, and two other is fixedly mounted on the left side of described outer shroud main frame 1-2 by screw, all around everywhere by screw respectively described four the outer shroud leg 1-4 of each fixed installation outside the loop configuration of described outer shroud main frame 1-2, the lower surface of each in described four outer shroud leg 1-4 is fixedly connected with one in described four vibroshock 1-5 by screw, and the lower surface of each in described four vibroshock 1-5 is fixedly connected with one in described four shock absorber support 1-6 by screw, described four shock absorber support 1-6 are fixedly mounted on described mounting base 1-7 upper surface by screw, there is square image optics window described mounting base 1-7 front end, the flexible damper 1-8 of described outer shroud is fixedly mounted on described outer shroud main frame 1-2 rear end face by screw, described outer shroud limited block 1-9 both sides are respectively installed with a microswitch, are fixedly mounted on the upper surface, front end of described outer shroud main frame 1-2 loop configuration by screw.
Described inner ring frame frame component 2 comprises inner ring main frame 2-1, inner ring forward spindle 2-2, main shaft 2-3 after inner ring, the spacing ring stand 2-4 of inner ring, high-frequency compensation apparatus installing plate 2-5, turn back unit installing board 2-6, imaging installing plate 2-7, two counterweight pressing plate 2-8, balancing weight 2-9, counterweight circle 2-10; Its structure is: described inner ring main frame 2-1 is rectangular loop configuration, and volume is slightly smaller than described outer shroud main frame 1-2, and there is main shaft orientation hole rear and front end; Described inner ring forward spindle 2-2 is located with described inner ring main frame 2-1 front end face by main shaft orientation hole and the shaft shoulder and is fixedly connected with by screw, and after described inner ring, main shaft 2-3 is located with described inner ring main frame 2-1 rear end face by main shaft orientation hole and the shaft shoulder and is fixedly connected with by screw; Described inner ring spacing ring stand 2-4 is divided into upper and lower two semi-rings, is sleeved in the middle part of described inner ring forward spindle 2-2, by locating before and after the screw fastening of both sides; Described high-frequency compensation apparatus installing plate 2-5 is fixedly mounted in the groove of described inner ring main frame 2-1 nock face by screw, described imaging installing plate 2-7 is left-right asymmetry structure, counterweight is heavierly carried out to imager sweeping in right side, described in turn back that unit installing board 2-6, described imaging installing plate 2-7 are fixedly mounted in described inner ring main frame 2-1 by screw successively, lower surface, rear portion; Upper/lower terminal face, described inner ring main frame 2-1 rear portion respectively fixedly mounts one in described two counterweight pressing plate 2-8 respectively by screw, carry out front and back counterweight to imager sweeping; Described balancing weight 2-9 is fixedly mounted on described inner ring main frame 2-1 annular inboard right side by screw, described in several, counterweight circle 2-10 is fixedly mounted on described inner ring main frame 2-1 upper surface or lower surface by screw, and described balancing weight 2-9 and described counterweight circle 2-10 carries out counterweight to imager sweeping.
45 ° of described tilt mirrors assemblies 3 comprise pitching main support 3-1, tilt mirrors framework 3-2, tilt mirrors 3-3, pitching voice coil motor 3-4, pitching left support 3-5, pitching right support 3-6, four tilt mirrors casting die 3-7, two pitching microswitch fabricated section 3-8, two pitching microswitch 3-9, pitching scrambler outer cover 3-10, the flexible damper 3-11 of pitching, pitching counterweight pendulum 3-12, pitching left rotary shaft 3-13, pitching right spindle 3-14, its structure is: described pitching left support 3-5 is fixedly connected with by the main 3-1 rear end face that supports of screw and described pitching, and is fixedly connected with by the left side of screw with described pitching voice coil motor 3-4, described pitching right support 3-6 is fixedly connected with by the main 3-1 rear end face that supports of screw and described pitching, and be fixedly connected with by the right side of screw with described pitching voice coil motor 3-4, simultaneously described pitching voice coil motor 3-4 supports 3-1 rear end face be fixedly connected with by screw is also main with described pitching, described tilt mirrors 3-3 is arranged in described tilt mirrors framework 3-2 fit, and described tilt mirrors framework 3-2 front end face respectively fixedly mounts one in described four tilt mirrors casting die 3-7 up and down everywhere respectively by screw, compresses fastening by described tilt mirrors 3-3, the upper and lower two ends of described tilt mirrors framework 3-2 respectively fixedly mount one in described two pitching microswitch fabricated section 3-8 respectively by screw, fixedly mounted in described two pitching microswitch 3-9 in the groove of each in described two pitching microswitch fabricated section 3-8 by holding screw, described pitching left rotary shaft 3-13 and described tilt mirrors framework 3-2 left side are located by pilot hole and are fixedly connected with by screw, described pitching right spindle 3-14 and described tilt mirrors framework 3-2 right side are located by pilot hole and are fixedly connected with by screw, described tilt mirrors framework 3-2 is arranged in described pitching main support 3-1 intermediate groove space, described pitching left rotary shaft 3-13, described tilt mirrors framework 3-2 and described pitching right spindle 3-14 forms a whole swing rotating shaft, two ends are set with angular contact bearing, sliding sleeve is arranged on described pitching main support 3-1 two ends and installs in through hole, described pitching scrambler outer cover 3-10 is fixedly mounted on described pitching main support 3-1 right side by screw, protects the scrambler being fixedly mounted on described pitching right spindle 3-14 right-hand member, the flexible damper 3-11 of described pitching is fixedly mounted on described pitching main support 3-1 left side by screw, and described pitching flexible damper 3-11 flexible connection ring is fixedly connected with described pitching left rotary shaft 3-13 by nut, flexible damping is applied to the overall rotating shaft that described pitching left rotary shaft 3-13, described tilt mirrors framework 3-2 and described pitching right spindle 3-14 form, makes axis of rotation steady, described pitching counterweight pendulum 3-12 is fixedly connected with being set with on the left of described pitching left rotary shaft 3-13 by radial holding screw, carries out rotary oscillation counterweight to the overall rotating shaft that described pitching left rotary shaft 3-13, described tilt mirrors framework 3-2 and described pitching right spindle 3-14 form.
Described mirror assembly 5 of turning back comprises the mirror 5-1 that turns back, and turn back cell mount 5-2, four mirror casting die 5-3 that turn back, and turn back cell mount fabricated section 5-4; Its structure for: described in turn back mirror 5-1 be arranged on described in turn back in cell mount 5-2 fit, described cell mount 5-2 front end face of turning back respectively fixedly mounts described four of turning back in mirror casting die 5-3 by screw everywhere up and down respectively, compresses fastening by the described mirror 5-1 that turns back; Described cell mount fabricated section 5-4 front end face of turning back is fixedly connected with described cell mount 5-2 rear end face of turning back by screw.
Described image-forming assembly 6 comprises camera lens fabricated section 6-1, focusing convergent mirror group 6-2, detector web member 6-3, planar array detector 6-4; Its structure is: described camera lens fabricated section 6-1 is anterior annulus, rear portion L shape intermediate throughholes structure, and described focusing convergent mirror group 6-2 is sleeved on described camera lens fabricated section 6-1 center and installs in through hole, is fixedly connected with by holding screw; Described detector web member 6-3 front end is fixedly connected with by screw thread and gluing and described focusing convergent mirror group 6-2, and rear end is fixedly connected with by screw thread and gluing and described planar array detector 6-4.
Described inner ring forward spindle 2-2 in described inner ring frame frame component 2, after described inner ring main frame 2-1 and described inner ring, main shaft 2-3 forms a whole swing rotating shaft, two ends are respectively set with pair of horns contact bearing, the sliding sleeve described outer shroud main frame 1-2 two ends be arranged in described outer ring assembly 1 are installed in through hole, described sweeping voice coil motor 1-1 output shaft is fixedly connected with by key and holding screw with described inner ring forward spindle 2-2 front end, described outer shroud flexible damper 1-8 flexible connection ring is fixedly connected with main shaft 2-3 after described inner ring by nut, to described inner ring forward spindle 2-2, the overall rotating shaft that after described inner ring main frame 2-1 and described inner ring, main shaft 2-3 forms applies flexible damping, make axis of rotation steady, described 45 ° of tilt mirrors assembly about 3 both ends of the surface are fixedly mounted on the described inner ring main frame 2-1 loop configuration interior front of described inner ring frame frame component 2 by screw, and described 45 ° of tilt mirrors assembly 3 upper surfaces and described inner ring main frame 2-1 upper surface are installed and formed 45° angle, the described sweeping imager cantilevered balance staff gap high frequency image motion compensation device 4 that disappears is fixedly mounted on the left of the described high-frequency compensation apparatus installing plate 2-5 of described inner ring frame frame component 2 by screw, described mirror assembly 5 of turning back is fixedly mounted in the middle part of unit installing board 2-6 upper surface of turning back described in described inner ring frame frame component 2 by screw, described image-forming assembly 6 is fixedly mounted on the left of the described imaging installing plate 2-7 of described inner ring frame frame component 2 by screw, described tilt mirrors 3-3, described sweeping imager cantilevered balance staff disappears gap high frequency image motion compensation device 4, the described mirror 5-1 that turns back, described image-forming assembly 6 is installed and is formed system imaging light path.
The described mounting base 1-7 of two-way for Large visual angle sweeping IMC airborne battle array imager is arranged on above the high-altitude flight carrier remote sensing windows such as transporter by bolt, is mounted to described mounting base 1-7 image optics window and flight carrier Remote sensing window mouth coincidence status; Ground image carries out 45° angle by described tilt mirrors 3-3 and turns back, through described sweeping imager cantilevered balance staff disappear gap high frequency image motion compensation device 4 and described in the mirror 5-1 that turns back reflect, and enter described planar array detector 6-4 through described focusing convergent mirror group 6-2, form system light path, described planar array detector 6-4 is by imager system light path surface imaging over the ground; Start described sweeping voice coil motor 1-1, make described sweeping voice coil motor 1-1 export balance staff and drive the forward swing left of described inner ring frame frame component 2 or backswing to the right, carry out mechanical position limitation by described outer shroud limited block 1-9 and described inner ring spacing ring stand 2-4 end contact, the overall rotating shaft of detection that microswitch is fixed in described outer shroud limited block 1-9 both sides arrives initial position; Then controlling described sweeping voice coil motor 1-1 output balance staff drives described inner ring frame frame component 2 and system light path around rotation centre position forward and reverse reciprocating rotary sweeping imaging, achieves the large field of view scan imaging in imager aeroplane span direction; Start described pitching voice coil motor 3-4, make described pitching voice coil motor 3-4 export balance staff and drive the overall rotating shaft of described pitching left rotary shaft 3-13, described tilt mirrors framework 3-2 and described pitching right spindle 3-14 composition upwards forward swing or downward backswing, detect overall rotating shaft by described two pitching microswitch 3-9 and arrive initial position; Then overall rotating shaft forward and reverse reciprocating rotary swing around rotation centre position that described pitching voice coil motor 3-4 output balance staff drives described pitching left rotary shaft 3-13, described tilt mirrors framework 3-2 and described pitching right spindle 3-14 to form is controlled, described tilt mirrors 3-3 reciprocating rotary is swung, achieves the high precision IMC that imager moves aircraft flight directional image picture; Start the described sweeping imager cantilevered balance staff gap high frequency image motion compensation device 4 that disappears and carry out IMC, achieve the high precision IMC that imager moves aeroplane span directional image picture.
The present invention compared with prior art, there is following features and advantage: the present invention is rational in infrastructure, simple, compact, reliability is high, easy to manufacture, simple installation, cost is low, easy to use, effectively realize the high precision IMC of aircraft flight direction and spanwise in imaging process, image quality is high.The two-way IMC of Large visual angle sweeping airborne battle array imager adopts rectangular annular frame, overall sweeping, realize the imaging of Large visual angle sweeping, 45 ° of tilt mirrors assemblies are embodied as picture ground direction-pointing function and heading IMC, sweeping imager cantilevered balance staff is adopted to disappear gap high frequency image motion compensation device, be arranged on convergent mirror group front and realized spanwise IMC, effectively eliminate the image slices that sweeping imaging brings and revolve.Overall sweeping and 45 ° of tilt mirrors assemblies adopt flexible damper, increase kinetic stability.Adopt vibroshock high degree to reduce aircraft flight and shake the impact that image quality is brought.
Accompanying drawing explanation
Fig. 1 is the general structure schematic diagram of one embodiment of the present of invention.
Fig. 2 is the vertical view (comprising light path) of Fig. 1.
Fig. 3 is the general structure schematic diagram of the outer ring assembly of one embodiment of the present of invention.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 is the vertical view of the inner ring frame frame component of one embodiment of the present of invention.
Fig. 6 is the general structure schematic diagram of 45 ° of tilt mirrors assemblies of one embodiment of the present of invention.
Fig. 7 is the front view of Fig. 6.
Fig. 8 is the general structure schematic diagram of the mirror assembly of turning back of one embodiment of the present of invention.
Fig. 9 is the general structure schematic diagram of the image-forming assembly of one embodiment of the present of invention.
Embodiment
The preferred embodiments of the present invention accompanying drawings is as follows:
See Fig. 1 and Fig. 2, the two-way IMC of this Large visual angle sweeping airborne battle array imager, comprises outer ring assembly 1, inner ring frame frame component 2,45 ° of tilt mirrors assemblies 3, sweeping imager cantilevered balance staff disappears gap high frequency image motion compensation device 4, to turn back mirror assembly 5, image-forming assembly 6; It is characterized in that:
See Fig. 3 and Fig. 4, outer ring assembly 1 comprises sweeping voice coil motor 1-1, outer shroud main frame 1-2, four handles 1-3, four outer shroud leg 1-4, four vibroshock 1-5, four shock absorber support 1-6, mounting base 1-7, outer shroud flexible damper 1-8, outer shroud limited block 1-9, its structure is: sweeping voice coil motor 1-1 adopts Suqian to jump the RS4520-30-00A of accurate dynamo-electric company limited of nation, outer shroud main frame 1-2 is rectangular loop configuration, and the sweeping voice coil motor 1-1 of front end fixed installation scrambler is fixedly mounted in outer shroud main frame 1-2 front end face rounded engagement groove by screw, two in the four handles 1-3 right sides being fixedly mounted on outer shroud main frame 1-2 by screw, two other is fixedly mounted on the left side of outer shroud main frame 1-2 by screw, all around everywhere by screw respectively each fixed installation four outer shroud leg 1-4 outside the loop configuration of outer shroud main frame 1-2, four vibroshock 1-5 adopt the 7002SB of PAULSTRA company of the U.S., the lower surface of each in four outer shroud leg 1-4 is fixedly connected with one in four vibroshock 1-5 by screw, and the lower surface of each in four vibroshock 1-5 is fixedly connected with one in four shock absorber support 1-6 by screw, four shock absorber support 1-6 are fixedly mounted on mounting base 1-7 upper surface by screw, there is square image optics window mounting base 1-7 front end, the flexible damper 1-8 of outer shroud adopts the JSD-47B of Japanese FUJI SEIKI, the flexible damper 1-8 of outer shroud is fixedly mounted on outer shroud main frame 1-2 rear end face by screw, outer shroud limited block 1-9 both sides are respectively installed with a microswitch, are fixedly mounted on the upper surface, front end of outer shroud main frame 1-2 loop configuration by screw.
See Fig. 5, inner ring frame frame component 2 comprises inner ring main frame 2-1, inner ring forward spindle 2-2, main shaft 2-3 after inner ring, the spacing ring stand 2-4 of inner ring, high-frequency compensation apparatus installing plate 2-5, turn back unit installing board 2-6, imaging installing plate 2-7, two counterweight pressing plate 2-8, balancing weight 2-9, counterweight circle 2-10; Its structure is: inner ring main frame 2-1 is rectangular loop configuration, and volume is slightly smaller than outer shroud main frame 1-2, and there is main shaft orientation hole rear and front end; Inner ring forward spindle 2-2 is located with inner ring main frame 2-1 front end face by main shaft orientation hole and the shaft shoulder and is fixedly connected with by screw, and after inner ring, main shaft 2-3 is located with inner ring main frame 2-1 rear end face by main shaft orientation hole and the shaft shoulder and is fixedly connected with by screw; Inner ring spacing ring stand 2-4 is divided into upper and lower two semi-rings, is sleeved in the middle part of inner ring forward spindle 2-2, by locating before and after the screw fastening of both sides; High-frequency compensation apparatus installing plate 2-5 is fixedly mounted in the groove of inner ring main frame 2-1 nock face by screw, imaging installing plate 2-7 is left-right asymmetry structure, right side is heavier carries out counterweight to imager sweeping, and the unit installing board 2-6 that turns back, imaging installing plate 2-7 are fixedly mounted in inner ring main frame 2-1 by screw successively, lower surface, rear portion; Upper/lower terminal face, inner ring main frame 2-1 rear portion respectively fixedly mounts one in two counterweight pressing plate 2-8 respectively by screw, carry out front and back counterweight to imager sweeping; Balancing weight 2-9 is fixedly mounted on inner ring main frame 2-1 annular inboard right side by screw, several counterweight circles 2-10 is fixedly mounted on inner ring main frame 2-1 upper surface or lower surface by screw, and balancing weight 2-9 and counterweight circle 2-10 carries out counterweight to imager sweeping.
See Fig. 6 and Fig. 7,45 ° of tilt mirrors assemblies 3 comprise pitching main support 3-1, tilt mirrors framework 3-2, tilt mirrors 3-3, pitching voice coil motor 3-4, pitching left support 3-5, pitching right support 3-6, four tilt mirrors casting die 3-7, two pitching microswitch fabricated section 3-8, two pitching microswitch 3-9, pitching scrambler outer cover 3-10, pitching flexible damper 3-11, pitching counterweight pendulum 3-12, pitching left rotary shaft 3-13, pitching right spindle 3-14; Its structure is: pitching voice coil motor 3-4 adopts Suqian to jump the RS710-14-00A of accurate dynamo-electric company limited of nation, pitching left support 3-5 is fixedly connected with by the main 3-1 rear end face that supports of screw and pitching, and is fixedly connected with by the left side of screw with pitching voice coil motor 3-4; Pitching right support 3-6 is fixedly connected with by the main 3-1 rear end face that supports of screw and pitching, and is fixedly connected with by the right side of screw with pitching voice coil motor 3-4, and pitching voice coil motor 3-4 is fixedly connected with by the screw also 3-1 rear end face that supports main with pitching; Tilt mirrors 3-3 is arranged in tilt mirrors framework 3-2 fit, and tilt mirrors framework 3-2 front end face respectively fixedly mounts one in four tilt mirrors casting die 3-7 up and down everywhere respectively by screw, compresses fastening by tilt mirrors 3-3; The upper and lower two ends of tilt mirrors framework 3-2 respectively fixedly mount one in two pitching microswitch fabricated section 3-8 respectively by screw, fixedly mounted in two pitching microswitch 3-9 in the groove of each in two pitching microswitch fabricated section 3-8 by holding screw; Pitching left rotary shaft 3-13 and tilt mirrors framework 3-2 left side are located by pilot hole and are fixedly connected with by screw, pitching right spindle 3-14 and tilt mirrors framework 3-2 right side are located by pilot hole and are fixedly connected with by screw, tilt mirrors framework 3-2 is arranged in pitching main support 3-1 intermediate groove space, pitching left rotary shaft 3-13, tilt mirrors framework 3-2 and pitching right spindle 3-14 form a whole swing rotating shaft, two ends are set with angular contact bearing, and sliding sleeve is arranged on pitching main support 3-1 two ends and installs in through hole; Pitching scrambler outer cover 3-10 is fixedly mounted on pitching main support 3-1 right side by screw, protects the scrambler being fixedly mounted on pitching right spindle 3-14 right-hand member; The flexible damper 3-11 of pitching adopts the JSD-47B of Japanese FUJI SEIKI, the flexible damper 3-11 of pitching is fixedly mounted on pitching main support 3-1 left side by screw, and pitching flexible damper 3-11 flexible connection ring is fixedly connected with pitching left rotary shaft 3-13 by nut, flexible damping is applied to the overall rotating shaft that pitching left rotary shaft 3-13, tilt mirrors framework 3-2 and pitching right spindle 3-14 form, makes axis of rotation steady; Pitching counterweight pendulum 3-12 is fixedly connected with being set with on the left of pitching left rotary shaft 3-13 by radial holding screw, carries out rotary oscillation counterweight to the overall rotating shaft that pitching left rotary shaft 3-13, tilt mirrors framework 3-2 and pitching right spindle 3-14 form.
See Fig. 8, mirror assembly 5 of turning back comprises the mirror 5-1 that turns back, and turn back cell mount 5-2, four mirror casting die 5-3 that turn back, and turn back cell mount fabricated section 5-4; Its structure is: the mirror 5-1 that turns back is arranged on and turns back in cell mount 5-2 fit, and cell mount 5-2 front end face of turning back respectively fixedly mounts four of turning back in mirror casting die 5-3 by screw everywhere up and down respectively, and the mirror 5-1 that will turn back compresses fastening; Cell mount fabricated section 5-4 front end face of turning back is fixedly connected with cell mount 5-2 rear end face of turning back by screw.
See Fig. 9, image-forming assembly 6 comprises camera lens fabricated section 6-1, focusing convergent mirror group 6-2, detector web member 6-3, planar array detector 6-4; Its structure is: camera lens fabricated section 6-1 is anterior annulus, rear portion L shape intermediate throughholes structure, and focusing convergent mirror group 6-2 is sleeved on camera lens fabricated section 6-1 center and installs in through hole, is fixedly connected with by holding screw; Focusing convergent mirror group 6-2 adopts the ZF.22/100 LENS of Zeiss, Germany company, planar array detector 6-4 adopts the GX-FW-10K3M-C of Canadian PointGrey company, detector web member 6-3 front end is by screw thread and be gluingly fixedly connected with focusing convergent mirror group 6-2, and rear end is by screw thread and be gluingly fixedly connected with planar array detector 6-4.
Inner ring forward spindle 2-2 in inner ring frame frame component 2, after inner ring main frame 2-1 and inner ring, main shaft 2-3 forms a whole swing rotating shaft, two ends are respectively set with pair of horns contact bearing, the sliding sleeve outer shroud main frame 1-2 two ends be arranged in outer ring assembly 1 are installed in through hole, sweeping voice coil motor 1-1 output shaft is fixedly connected with by key and holding screw with inner ring forward spindle 2-2 front end, outer shroud flexible damper 1-8 flexible connection ring is fixedly connected with main shaft 2-3 after inner ring by nut, to inner ring forward spindle 2-2, the overall rotating shaft that after inner ring main frame 2-1 and inner ring, main shaft 2-3 forms applies flexible damping, make axis of rotation steady, 45 ° of tilt mirrors assembly about 3 both ends of the surface are fixedly mounted on the inner ring main frame 2-1 loop configuration interior front of inner ring frame frame component 2 by screw, 45 ° of tilt mirrors assembly 3 upper surfaces and inner ring main frame 2-1 upper surface are installed and formed 45° angle, the sweeping imager cantilevered balance staff gap high frequency image motion compensation device 4 that disappears is fixedly mounted on the left of the high-frequency compensation apparatus installing plate 2-5 of inner ring frame frame component 2 by screw, mirror assembly 5 of turning back is fixedly mounted in the middle part of the unit installing board 2-6 upper surface of turning back of inner ring frame frame component 2 by screw, image-forming assembly 6 is fixedly mounted on the left of the imaging installing plate 2-7 of inner ring frame frame component 2 by screw, tilt mirrors 3-3, sweeping imager cantilevered balance staff disappear gap high frequency image motion compensation device 4, the mirror 5-1 that turns back, image-forming assembly 6 install form imaging optical path as shown in Figure 2.
Embodiment motion flow: be arranged on above the high-altitude flight carrier remote sensing windows such as transporter by bolt by the mounting base 1-7 of two-way for this Large visual angle sweeping IMC airborne battle array imager, is mounted to mounting base 1-7 image optics window and flight carrier Remote sensing window mouth coincidence status; Ground image carries out 45° angle by tilt mirrors 3-3 and turns back, reflect through disappear gap high frequency image motion compensation device 4 and the mirror 5-1 that turns back of sweeping imager cantilevered balance staff, and through focusing convergent mirror group 6-2 entering surface array detector 6-4, form system light path, planar array detector 6-4 is by imager system light path surface imaging over the ground; Start sweeping voice coil motor 1-1, make sweeping voice coil motor 1-1 export balance staff and drive inner ring frame frame component 2 forward swing left or backswing to the right, carry out mechanical position limitation by outer shroud limited block 1-9 and inner ring spacing ring stand 2-4 end contact, the overall rotating shaft of detection that outer shroud limited block 1-9 fixes both sides microswitch arrives initial position; Then controlling sweeping voice coil motor 1-1 output balance staff drives inner ring frame frame component 2 and system light path around forward and reverse reciprocating rotary sweeping imaging in the angular region of rotation 60 °, centre position, achieves the large field of view scan imaging in imager aeroplane span direction; Start pitching voice coil motor 3-4, make pitching voice coil motor 3-4 export balance staff and drive the overall rotating shaft of pitching left rotary shaft 3-13, tilt mirrors framework 3-2 and pitching right spindle 3-14 composition upwards forward swing or downward backswing, detect overall rotating shaft by upper and lower two pitching microswitch 3-9 and arrive initial position; Then control the overall rotating shaft that pitching voice coil motor 3-4 exports balance staff driving pitching left rotary shaft 3-13, tilt mirrors framework 3-2 and pitching right spindle 3-14 forms to swing around the forward and reverse reciprocating rotary in rotation centre position, tilt mirrors 3-3 reciprocating rotary is swung, achieve the high precision IMC that imager moves aircraft flight directional image picture, compensation precision is better than 0.5 pixel; Start the sweeping imager cantilevered balance staff gap high frequency image motion compensation device 4 that disappears and carry out IMC, achieve the high precision IMC that imager moves aeroplane span directional image picture, compensation precision is better than 1 pixel; In imaging process, four vibroshock 1-5 effectively reduce aircraft flight and shake the impact brought image quality.
Claims (1)
1. the two-way IMC of Large visual angle sweeping airborne battle array imager, imager comprises outer ring assembly (1), inner ring frame frame component (2), 45 ° of tilt mirrors assemblies (3), sweeping imager cantilevered balance staff disappears gap high frequency image motion compensation device (4), to turn back mirror assembly (5), image-forming assembly (6); It is characterized in that:
Described outer ring assembly (1) comprises sweeping voice coil motor (1-1), outer shroud main frame (1-2), four handles (1-3), four outer shroud legs (1-4), four vibroshocks (1-5), four shock absorber supports (1-6), mounting base (1-7), the flexible damper (1-8) of outer shroud, outer shroud limited block (1-9), its structure is: described outer shroud main frame (1-2) is rectangular loop configuration, front end fixed installation scrambler, described sweeping voice coil motor (1-1) is fixedly mounted in outer shroud main frame (1-2) front end face rounded engagement groove by screw, two in described four handles (1-3) right sides being fixedly mounted on outer shroud main frame (1-2) by screw, two other is fixedly mounted on the left side of outer shroud main frame (1-2) by screw, all around everywhere by screw respectively each fixed installation four outer shroud legs (1-4) outside the loop configuration of described outer shroud main frame (1-2), the lower surface of each in four described outer shroud legs (1-4) is fixedly connected with one in four vibroshocks (1-5) by screw, and the lower surface of each in four vibroshocks (1-5) is fixedly connected with one in described four shock absorber supports (1-6) by screw, four described shock absorber supports (1-6) are fixedly mounted on mounting base (1-7) upper surface by screw, there is square image optics window described mounting base (1-7) front end, the flexible damper (1-8) of described outer shroud is fixedly mounted on described outer shroud main frame (1-2) rear end face by screw, described outer shroud limited block (1-9) both sides are respectively installed with a microswitch, are fixedly mounted on the upper surface, front end of described outer shroud main frame (1-2) loop configuration by screw,
Described inner ring frame frame component (2) comprises inner ring main frame (2-1), inner ring forward spindle (2-2), main shaft (2-3) after inner ring, the spacing ring stand of inner ring (2-4), high-frequency compensation apparatus installing plate (2-5), unit installing board of turning back (2-6), imaging installing plate (2-7), two counterweight pressing plates (2-8), balancing weight (2-9), counterweight circle (2-10); Its structure is: described inner ring main frame (2-1) is rectangular loop configuration, and volume is slightly smaller than described outer shroud main frame (1-2), and there is main shaft orientation hole rear and front end; Described inner ring forward spindle (2-2) is located with inner ring main frame (2-1) front end face by main shaft orientation hole and the shaft shoulder and is fixedly connected with by screw, and after described inner ring, main shaft (2-3) is located with inner ring main frame (2-1) rear end face by main shaft orientation hole and the shaft shoulder and is fixedly connected with by screw; The spacing ring stand of described inner ring (2-4) is divided into upper and lower two semi-rings, is sleeved on inner ring forward spindle (2-2) middle part, by locating before and after the screw fastening of both sides; Described high-frequency compensation apparatus installing plate (2-5) is fixedly mounted in the groove of inner ring main frame (2-1) nock face by screw, described imaging installing plate (2-7) is left-right asymmetry structure, counterweight is heavierly carried out to imager sweeping in right side, described in turn back that unit installing board (2-6), described imaging installing plate (2-7) are fixedly mounted in inner ring main frame (2-1) by screw successively, lower surface, rear portion; Described upper/lower terminal face, inner ring main frame (2-1) rear portion respectively fixedly mounts one in two counterweight pressing plates (2-8) respectively by screw, carry out front and back counterweight to imager sweeping; Described balancing weight (2-9) is fixedly mounted on inner ring main frame (2-1) annular inboard right side by screw, counterweight circle (2-10) described in several is fixedly mounted on described inner ring main frame (2-1) upper surface or lower surface by screw, and described balancing weight (2-9) and counterweight circle (2-10) carry out counterweight to imager sweeping;
45 ° of described tilt mirrors assemblies (3) comprise the main support of pitching (3-1), tilt mirrors framework (3-2), tilt mirrors (3-3), pitching voice coil motor (3-4), pitching left support (3-5), pitching right support (3-6), four tilt mirrors casting dies (3-7), two pitching microswitch fabricated sections (3-8), two pitching microswitches (3-9), pitching scrambler outer cover (3-10), the flexible damper (3-11) of pitching, pitching counterweight pendulum (3-12), pitching left rotary shaft (3-13), pitching right spindle (3-14), its structure is: described pitching left support (3-5) is fixedly connected with by the main support of screw and pitching (3-1) rear end face, and is fixedly connected with by the left side of screw with pitching voice coil motor (3-4), described pitching right support (3-6) is fixedly connected with by the main support of screw and pitching (3-1) rear end face, and be fixedly connected with by the right side of screw with pitching voice coil motor (3-4), pitching voice coil motor simultaneously (3-4) is fixedly connected with by screw also support (3-1) rear end face main with pitching, described tilt mirrors (3-3) is arranged in tilt mirrors framework (3-2) fit, described tilt mirrors framework (3-2) front end face respectively fixedly mounts one in four tilt mirrors casting dies (3-7) up and down everywhere respectively by screw, compress fastening by tilt mirrors (3-3), described tilt mirrors framework (3-2) up and down two ends respectively fixedly mounts one in two pitching microswitch fabricated sections (3-8) respectively by screw, fixedly mounted in two pitching microswitches (3-9) in the groove of each in two described pitching microswitch fabricated sections (3-8) by holding screw, described pitching left rotary shaft (3-13) and tilt mirrors framework (3-2) left side are located by pilot hole and are fixedly connected with by screw, described pitching right spindle (3-14) and tilt mirrors framework (3-2) right side are located by pilot hole and are fixedly connected with by screw, described tilt mirrors framework (3-2) is arranged in the main support of pitching (3-1) intermediate groove space, described pitching left rotary shaft (3-13), tilt mirrors framework (3-2) and pitching right spindle (3-14) form a whole swing rotating shaft, two ends are set with angular contact bearing, sliding sleeve is arranged on the main support of described pitching (3-1) two ends and installs in through hole, described pitching scrambler outer cover (3-10) is fixedly mounted on the main support of pitching (3-1) right side by screw, protects the scrambler being fixedly mounted on described pitching right spindle (3-14) right-hand member, the flexible damper (3-11) of described pitching is fixedly mounted on the main support of pitching (3-1) left side by screw, and flexible damper (3-11) flexible connection ring of described pitching is fixedly connected with pitching left rotary shaft (3-13) by nut, flexible damping is applied to the overall rotating shaft that pitching left rotary shaft (3-13), tilt mirrors framework (3-2) and pitching right spindle (3-14) form, makes axis of rotation steady, described pitching counterweight pendulum (3-12) is set with by radial holding screw and pitching left rotary shaft (3-13) left side and is fixedly connected with, and carries out rotary oscillation counterweight to the overall rotating shaft that pitching left rotary shaft (3-13), tilt mirrors framework (3-2) and pitching right spindle (3-14) form,
Described mirror assembly of turning back (5) comprises mirror of turning back (5-1), cell mount of turning back (5-2), four mirror casting dies (5-3) of turning back, cell mount fabricated section (5-4) of turning back; Its structure is: described mirror of turning back (5-1) is arranged in cell mount of turning back (5-2) fit, described cell mount of turning back (5-2) front end face respectively fixedly mounts four of turning back in mirror casting die (5-3) by screw everywhere up and down respectively, and mirror (5-1) of turning back compresses fastening; Described cell mount fabricated section (5-4) front end face of turning back is fixedly connected with cell mount of turning back (5-2) rear end face by screw;
Described image-forming assembly (6) comprises camera lens fabricated section (6-1), focusing convergent mirror group (6-2), detector web member (6-3), planar array detector (6-4); Its structure is: described camera lens fabricated section (6-1) is anterior annulus, rear portion L shape intermediate throughholes structure, described focusing convergent mirror group (6-2) is sleeved on camera lens fabricated section (6-1) center and installs in through hole, is fixedly connected with by holding screw; Described detector web member (6-3) front end is by screw thread and be gluingly fixedly connected with focusing convergent mirror group (6-2), and rear end is by screw thread and be gluingly fixedly connected with planar array detector (6-4);
Inner ring forward spindle (2-2) in described inner ring frame frame component (2), after inner ring main frame (2-1) and inner ring, main shaft (2-3) forms a whole swing rotating shaft, two ends are respectively set with pair of horns contact bearing, sliding sleeve outer shroud main frame (1-2) two ends be arranged in outer ring assembly (1) are installed in through hole, described sweeping voice coil motor (1-1) output shaft is fixedly connected with by key and holding screw with inner ring forward spindle (2-2) front end, flexible damper (1-8) flexible connection ring of described outer shroud is fixedly connected with main shaft after inner ring (2-3) by nut, to inner ring forward spindle (2-2), the overall rotating shaft that after inner ring main frame (2-1) and inner ring, main shaft (2-3) forms applies flexible damping, make axis of rotation steady, 45 ° of described tilt mirrors assembly (3) left and right both ends of the surface are fixedly mounted on inner ring main frame (2-1) the loop configuration interior front of inner ring frame frame component (2) by screw, 45 ° of described tilt mirrors assembly (3) upper surfaces and inner ring main frame (2-1) upper surface are installed and formed 45° angle, described sweeping imager cantilevered balance staff disappear gap high frequency image motion compensation device (4) by screw be fixedly mounted on inner ring frame frame component (2) high-frequency compensation apparatus installing plate (2-5) left side, described mirror assembly of turning back (5) is fixedly mounted in the middle part of unit installing board of turning back (2-6) upper surface of inner ring frame frame component (2) by screw, described image-forming assembly (6) is fixedly mounted on imaging installing plate (2-7) left side of inner ring frame frame component (2) by screw, tilt mirrors (3-3), sweeping imager cantilevered balance staff disappears gap high frequency image motion compensation device (4), to turn back mirror (5-1), image-forming assembly (6) is installed and is formed system imaging light path.
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