CN102436055B - High-precision light focusing mechanism applied to space optical remote sensor - Google Patents
High-precision light focusing mechanism applied to space optical remote sensor Download PDFInfo
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- CN102436055B CN102436055B CN201110350367.2A CN201110350367A CN102436055B CN 102436055 B CN102436055 B CN 102436055B CN 201110350367 A CN201110350367 A CN 201110350367A CN 102436055 B CN102436055 B CN 102436055B
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Abstract
The invention discloses a high-precision light focusing mechanism applied to a space optical remote sensor, which belongs to the technical field of space optical remote sensors and relates to a focusing mechanism. The technical problem to be solved of the invention is to provide a high-precision light focusing mechanism applied to a space optical remote sensor. In the technical scheme for solvingthe technical problem, the high-precision light focusing mechanism comprises a driving part, a connecting part and an executing part, wherein the driving part is in interference fit connection with afirst pin shaft of the connecting part through a screw preformed hole; a second pin shaft of the connecting part is fixed in a preformed hole on the back part of a focusing lens slide carriage in theexecuting part in an interference fit way; and linear movement of a focusing lens along the axial direction of a slide rod is realized under the swinging action of a connecting rod in the connecting part, so that the aim of focusing is realized. In the invention, a worm gear is adopted, so that the mechanism has a self-locking function; and a high-precision liner bearing is adopted, so that the problem of blockage of the mechanism in the high/low temperature environment is solved, the focusing lens movement has very high linearity and positioning accuracy, and the moving smoothness and stability of the mechanism are ensured.
Description
Technical field:
The invention belongs to the small-sized focus adjusting mechanism of a kind of high precision that relates in the space optical remote sensor technical field.
Background technology:
The main effect of the small-sized focus adjusting mechanism of space optical remote sensor high precision is: when remote sensor was taken the target area, the trace by focusing lens moved, the target area is imaged on exactly on the light-sensitive surface of CCD, and the precision height, volume is little, and is in light weight.
The prior art that approaches the most with the present invention is that people such as the Jia Xue of Changchun Institute of Optics, Fine Mechanics and Physics, CAS will is published in light-duty space camera focus adjusting mechanism optimal design and the accuracy testing on " optical precision engineering " periodical, and this focus adjusting mechanism is applied to light-duty space camera engineering project.As Fig. 1, Fig. 2 and shown in Figure 3, this mechanism is made up of drive part, coupling part and operating part.Wherein drive part comprises stepper motor 1, stepper motor support 2, first shaft coupling 3, lead screw shaft 4, screw 5, second shaft coupling 8, scrambler support 9, scrambler 10 and angular contact ball bearing 17; The coupling part comprises first connecting rod axle 6, connecting rod 7 and second connecting rod axle 14; Operating part comprises left slide bar 11, focusing lens 12, focusing pedestal 13, right slide bar 15 and focusing lens slide 16.In drive part, stepper motor 1 is installed on the stepper motor support 2, and the output shaft of stepper motor 1 is connected with the right-hand member of lead screw shaft 4 by shaft coupling 3, and lead screw shaft 4 is threaded, by screw thread driving-belt movable wire mother 5 translation on lead screw shaft 4.Lead screw shaft 4 is installed in the rear portion of focusing pedestal 13 by a pair of angular contact ball bearing 17, the left end of lead screw shaft 4 is connected with the input shaft of scrambler 10 by second shaft coupling 8, scrambler 10 is installed on the scrambler support 9, and stepper motor support 2 and scrambler support 9 all are fixed on the focusing pedestal 13 by screw; In operating part, focusing lens 12 bonds to the middle part of focusing lens slide 16 by the optics epoxy glue, the left end of focusing lens slide 16 has U-lag, right-hand member processing circular hole, left end U-lag and right-hand member circular hole cooperate by minim gap with left slide bar 11 and right slide bar 15 respectively, gap value is better than 0.003mm, a left side slide bar 11 and right slide bar 15 are fixed on focusing pedestal 13 the right and lefts by screw respectively again, and the position-limiting action by left slide bar 11 and right slide bar 15 makes focusing lens 12 and the focusing lens slide 16 can only be along the axially-movable of left slide bar 11; In the coupling part, first connecting rod axle 6 is fixed on screw 5 front ends by socket head cap screw, second connecting rod axle 14 also is fixed on the back of focusing lens slide 16 by socket head cap screw, first connecting rod axle 6 is connected by clearance fit with two preformed holes of connecting rod 7 respectively with second connecting rod axle 14, and gap value is better than 0.003mm.The first connecting rod axle 6 of drive part by in screw 5 and the coupling part is connected by screw, second connecting rod axle 14 in the coupling part also is fixed on the back of the focusing lens slide 16 in the operating part by screw, like this, drive part and operating part have formed an one-piece construction by the coupling part.
The shortcoming of this focus adjusting mechanism is: this mechanism does not have self-lock ability, and bearing accuracy is low, and focusing lens rolling momentum is big, the process and assemble difficulty, and the high temperature performance instability, easily stuck.
Summary of the invention:
In order to overcome the defective that prior art exists, the objective of the invention is to solve high precision, the miniaturization of space optical remote sensor focus adjusting mechanism, the problem of low weight promotes the development of light-duty optical sensor, provides technical support for realizing that space product develops to the lightness direction.
The technical problem to be solved in the present invention is: a kind of small-sized focus adjusting mechanism of high precision that is applied to space optical remote sensor is provided.The technical scheme of technical solution problem as shown in Figure 4 and Figure 5.This focus adjusting mechanism is divided into three parts, i.e. drive part, coupling part and operating part.Drive part comprises stepper motor 18, worm gear pair 19, lead screw shaft 20, screw 21, scrambler 25, bearing seat 34, second linear bearing 35, linear bearing slide rail 36, shaft coupling 37 and angular contact ball bearing 38; The coupling part comprises first bearing pin 22, connecting rod 23 and second bearing pin 24; Operating part comprises magnet steel 26, Hall element 27, focusing pedestal 28, focusing lens slide 29, compliant member 30, focusing lens 31, first linear bearing 32 and slide bar 33.In drive part, stepper motor 18 output shafts are connected with worm screw in the worm gear pair 19 by shaft coupling 37, by coaxial lead screw shaft 20 rotations of engagement drive and the worm gear of worm gear in the worm gear pair and worm screw; The two ends of lead screw shaft 20 are installed on the focusing pedestal 28 by a pair of angular contact ball bearing 38, lead screw shaft 20 is passed through threaded engagement with screw 21, when rotating, lead screw shaft 20 passes through screw thread driving-belt movable wire mother 21 along the axial translation of lead screw shaft 20, threaded hole is left in screw 21 bottoms, bearing seat 34 is installed in the bottom of screw 21 with screw by threaded hole, second linear bearing 35 relies on the flange of self to be fixed on the bearing seat 34, slide bar 33 passes second linear bearing, 35 center holes, and two ends are fixed by screw with focusing pedestal 28.Scrambler 25 is fixed in the left end of focusing pedestal 28, and the input shaft of scrambler 25 is connected with the left end of lead screw shaft 20 is coaxial; In operating part, the mandrel at focusing lens 31 middle parts bonds in the circular hole at compliant member 30 centers by the optics epoxy glue, compliant member 30 is fixed on the middle part of focusing lens slide 29 by screw, a circular hole is respectively left at focusing lens slide 29 two ends, be equipped with first linear bearing 32 in each circular hole, two first linear bearings 32 are fixed on the focusing lens slide 29 by the flange of self respectively, two slide bars 33 are assembled to respectively on two first linear bearings 32 by interference fit, make focusing lens slide 29 axially being free to slide at slide bar 33 by slide bar 33 spacing, two slide bar 33 front ends have ring flange, are fixed on the front end of focusing pedestal 28 by screw; Magnet steel 26 is installed in the right-hand member of focusing lens slide 29, and two Hall elements 27 are symmetrically distributed in magnet steel 26 both sides and are fixed on the focusing pedestal 28, and the three plays the spacing effect of electricity jointly, prevents that focusing lens slide 29 and 28 collisions of focusing pedestal from making mechanism blockage.In the coupling part, first bearing pin 22 is fixed on the front end of screw 21 by screw, second bearing pin 24 also is fixed on the back of focusing lens slide 29 by screw, first bearing pin 22 is connected by clearance fit with two preformed holes of connecting rod 23 respectively with second bearing pin 24, and gap value is better than 0.003mm.Adopt interference fit between connecting rod 23 and first bearing pin 14 and second bearing pin 24, both reduce the backlash problem between connecting rod 23 and first bearing pin 14 and second bearing pin 24, prevented the cold welding problem of connecting rod 23 and first bearing pin 14 and second bearing pin 24 in the space vacuum low temperature environment again.First bearing pin 22 in the preformed hole of drive part by screw 21 front ends and the coupling part is connected by interference fit, and fixes by screw; Second bearing pin 24 in the coupling part also is fixed in the preformed hole at focusing lens slide 29 backs in the operating part by interference fit, also fixes by screw, and like this, drive part and operating part have formed an one-piece construction by the coupling part.
The principle of work explanation: it is several that focusing mode commonly used mainly contains mirror group movable type, focal plane catoptron movable type and focal plane movable type, design feature according to optical sensor, the mode that the present invention selects the focal plane catoptron to move, namely before focal plane, increase a catoptron and change optical path direction, change the purpose that the position of focal plane reaches focusing by mobile mirror.
The present invention proposes connecting rod-double-slider mechanism, as shown in Figure 6.Stepper motor drives lead screw shaft by worm gear pair, makes the connecting rod swing that is connected on the leading screw screw, and then drives the focusing mirror assembly along the line slideway axially reciprocating, thereby reaches the purpose of focusing.The scheme that adopts worm and gear-lead screw shaft-linear bearing to be used improves focusing accuracy greatly, and the size of the focusing direction of total system is reduced, and provides convenience for Space Remote Sensors develops to the lightness direction.Rotate owing to adopt worm gear pair to drive lead screw shaft, so this structure not only has auto-lock function, and again stepper motor is done further segmentation, can ignore stepper motor and lose the step on a small quantity to the influence of MECHANISM PRECISION; Lead screw shaft and linear bearing are used, and have improved the stability of focus adjusting mechanism, have reduced the rolling momentum of focusing lens, and have solved the stuck problem of structure under high and low temperature environment.High-precision linear bearing and lead screw shaft in this structure, have been selected for use, have higher linearity and the depth of parallelism, after installing this mechanism is carried out the test of running-in repeatedly of certain hour, corresponding gear train is carried out break-in, thereby guaranteed smoothness and the stability of mechanism kinematic in the use.
Good effect of the present invention: the small-sized focus adjusting mechanism of this space optical remote sensor high precision is compared with technology before, having solved focus adjusting mechanism in the past can not self-locking, focusing accuracy is lower, high and low temperature environment poor stability, easy stuck problem, and can dwindle order of magnitude nearly to the error of straight line focusing, provide technical guarantee for obtaining high-quality image.
Description of drawings:
Fig. 1 is the structural representation of the focus adjusting mechanism of prior art;
Fig. 2 is the vertical view of the drive part annexation of Fig. 1;
Fig. 3 is the upward view of the annexation of the focusing lens slide of Fig. 1 and slide bar;
Fig. 4 is focus adjusting mechanism structural representation of the present invention;
Fig. 5 is the upward view of Fig. 4 drive part annexation;
Fig. 6 is focus adjusting mechanism principle explanation synoptic diagram of the present invention.
Embodiment:
The present invention implements by technical scheme shown in Figure 4.Wherein, stepper motor 18 adopts army's grade four phase step motor of the 42BYG020G model of Ya Meike Bayerische Motorne Werke Aktiengeellschaft production; Structural members such as worm gear pair 19 and lead screw shaft 20, connecting rod 23 and focusing pedestal entrust Changchun Aopu Opto-electronic Technology Co., Ltd. to process according to design drawing; 16 scramblers that scrambler 25 selects Changchun ray machines institute of the Chinese Academy of Sciences to develop voluntarily; Linear bearing 32 is selected the LMH8 of THK company production and the high precision space flight level linear bearing of LM4 model; Select Luoyang bearing company to produce P4 level army grade bearing, Hall element 27 is chosen the HL-WJV type space flight level Hall antenna limit sensors of producing into rising sun company in the new victory in Nanjing, and triggering distance is 5mm, and repeatable accuracy is better than 0.1mm.The one-piece construction material adopts titanium alloy material, and weight only is 2.5Kg, and mechanism's physical dimension specification is 140mm * 190mm * 130mm, and focusing lens total travel rolling momentum is better than 15 ", bearing accuracy is better than 0.005mm, and resolving power is better than 0.003mm, and backlash is better than 0.01mm.
Claims (1)
1. small-sized focus adjusting mechanism of high precision that is applied to space optical remote sensor comprises stepper motor (18), lead screw shaft (20), screw (21), scrambler (25), the angular contact ball bearing (38) of drive part; The connecting rod of coupling part (23); The focusing pedestal (28) of operating part, focusing lens slide (29), focusing lens (31); It is characterized in that also comprising worm gear pair (19), bearing seat (34), second linear bearing (35), linear bearing slide rail (36), the shaft coupling (37) of drive part; First bearing pin (22) of coupling part, second bearing pin (24); The magnet steel of operating part (26), Hall element (27), compliant member (30), first linear bearing (32) and slide bar (33); In drive part, stepper motor (18) output shaft is connected with worm screw in the worm gear pair (19) by shaft coupling (37), rotates by the coaxial lead screw shaft of engagement drive and the worm gear of worm gear in the worm gear pair and worm screw (20); The two ends of lead screw shaft (20) are installed on the focusing pedestal (28) by a pair of angular contact ball bearing (38), lead screw shaft (20) is passed through threaded engagement with screw (21), when rotating, lead screw shaft (20) passes through screw thread driving-belt movable wire mother (21) along the axial translation of lead screw shaft (20), threaded hole is left in screw (21) bottom, bearing seat (34) is installed in the bottom of screw (21) with screw by threaded hole, second linear bearing (35) relies on the flange of self to be fixed on the bearing seat (34), slide bar (33) passes second linear bearing (35) center hole, and two ends are fixed by screw with focusing pedestal (28); Scrambler (25) is fixed in the left end of focusing pedestal (28), the coaxial connection of left end of the input shaft of scrambler (25) and lead screw shaft (20); In operating part, the mandrel at focusing lens (31) middle part bonds in the circular hole at compliant member (30) center by the optics epoxy glue, compliant member (30) is fixed on the middle part of focusing lens slide (29) by screw, a circular hole is respectively left at focusing lens slide (29) two ends, be equipped with first linear bearing (32) in each circular hole, two first linear bearings (32) are fixed on the focusing lens slide (29) by the flange of self respectively, two slide bars (33) are assembled to respectively on two first linear bearings (32) by interference fit, make focusing lens slide (29) axially being free to slide in slide bar (33) by slide bar (33) spacing, two slide bars (33) front end has ring flange, is fixed on the front end of focusing pedestal (28) by screw; Magnet steel (26) is installed in the right-hand member of focusing lens slide (29), and two Hall elements (27) are symmetrically distributed in magnet steel (26) both sides and are fixed on the focusing pedestal (28); In the coupling part, first bearing pin (22) is fixed on the front end of screw (21) by screw, second bearing pin (24) also is fixed on the back of focusing lens slide (29) by screw, first bearing pin (22) is connected by clearance fit with two preformed holes of connecting rod (23) respectively with second bearing pin (24); Adopt interference fit between connecting rod (23) and first bearing pin (14) and second bearing pin (24); The preformed hole of drive part by screw (21) front end is connected by interference fit with first bearing pin (22) in the coupling part, and fixes by screw; Second bearing pin (24) in the coupling part also is fixed in the preformed hole at focusing lens slide (29) back in the operating part by interference fit, also fixes by screw, and like this, drive part and operating part have formed an one-piece construction by the coupling part.
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| CN201110350367.2A CN102436055B (en) | 2011-11-08 | 2011-11-08 | High-precision light focusing mechanism applied to space optical remote sensor |
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| CN201110350367.2A CN102436055B (en) | 2011-11-08 | 2011-11-08 | High-precision light focusing mechanism applied to space optical remote sensor |
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| CN102436055B true CN102436055B (en) | 2013-09-25 |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335818B (en) * | 2013-07-01 | 2016-04-27 | 中国科学院长春光学精密机械与物理研究所 | A kind of camera space focusing bias current adjusting assembly general purpose test equipment |
| CN104656224B (en) * | 2015-02-12 | 2016-11-30 | 中国科学院长春光学精密机械与物理研究所 | It is applied to the high accuracy focus adjusting mechanism of space optical remote sensor |
| CN105115602B (en) * | 2015-09-08 | 2017-07-11 | 四川双利合谱科技有限公司 | A kind of focusing component of sweeping type spectrometer |
| CN105629629A (en) * | 2015-12-23 | 2016-06-01 | 中国科学院长春光学精密机械与物理研究所 | Adaptive focusing system and focusing method for fast imaging of spatial optical camera |
| CN107290839B (en) * | 2017-05-15 | 2019-08-09 | 北京空间机电研究所 | A kind of active and standby path switching mechanisms of high stability using positioning inhibiting device |
| CN107422449B (en) * | 2017-06-29 | 2020-06-05 | 苏州光韵达自动化设备有限公司 | High-precision high-reliability focusing mechanism |
| CN108073015B (en) * | 2017-12-08 | 2020-03-13 | 中国科学院长春光学精密机械与物理研究所 | High-precision linear focusing mechanism for space camera |
| CN108562990B (en) * | 2017-12-20 | 2020-08-14 | 北京空间机电研究所 | Focusing mechanism suitable for large-span and large-load |
| CN108646374B (en) * | 2018-06-20 | 2023-08-22 | 中国科学院西安光学精密机械研究所 | High-precision compact focusing mechanism for aviation optical remote sensor and assembly method |
| CN110703400B (en) * | 2019-10-31 | 2020-10-13 | 中国科学院长春光学精密机械与物理研究所 | Focusing mechanism for space optical remote sensor |
| CN112099288B (en) * | 2020-09-30 | 2021-08-24 | 长光卫星技术有限公司 | Space camera focusing mechanism applied to conjugated double focal planes |
| CN113359371B (en) * | 2021-05-31 | 2023-04-07 | 吉林大学 | Resettable locking device suitable for space camera focusing mechanism |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101086547A (en) * | 2006-06-09 | 2007-12-12 | 鸿富锦精密工业（深圳）有限公司 | Lens module |
| CN102073195A (en) * | 2010-12-14 | 2011-05-25 | 中国科学院长春光学精密机械与物理研究所 | Focusing mechanism for focal plane of eccentric shaft |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004258557A (en) * | 2003-02-27 | 2004-09-16 | Tamron Co Ltd | Focus regulating device, optical equipment, and energizing component |
| US20080266392A1 (en) * | 2007-04-30 | 2008-10-30 | Min Soo Park | Infra-red closed circuit television camera adjusting distance and focus by one element |
-
2011
- 2011-11-08 CN CN201110350367.2A patent/CN102436055B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101086547A (en) * | 2006-06-09 | 2007-12-12 | 鸿富锦精密工业（深圳）有限公司 | Lens module |
| CN102073195A (en) * | 2010-12-14 | 2011-05-25 | 中国科学院长春光学精密机械与物理研究所 | Focusing mechanism for focal plane of eccentric shaft |
Non-Patent Citations (3)
| Title |
|---|
| JP特开2004-258557A 2004.09.16 |
| 贾学志等.轻型空间相机调焦机构的优化设计与精度试验.《光学精密工程》.2011,第19卷(第8期),期刊第1824-1831页. |
| 轻型空间相机调焦机构的优化设计与精度试验;贾学志等;《光学精密工程》;20110831;第19卷(第8期);期刊第1824-1831页 * |
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Denomination of invention: A high precision light and small focusing mechanism for space optical remote sensor Effective date of registration: 20211125 Granted publication date: 20130925 Pledgee: Agricultural Bank of China Limited Changchun Development Zone sub branch Pledgor: CHANG GUANG SATELLITE TECHNOLOGY Co.,Ltd. Registration number: Y2021220000105 |
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