CN103438885A - Three-channel polarized navigation sensor - Google Patents
Three-channel polarized navigation sensor Download PDFInfo
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- CN103438885A CN103438885A CN2013103800790A CN201310380079A CN103438885A CN 103438885 A CN103438885 A CN 103438885A CN 2013103800790 A CN2013103800790 A CN 2013103800790A CN 201310380079 A CN201310380079 A CN 201310380079A CN 103438885 A CN103438885 A CN 103438885A
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Abstract
The invention discloses a three-channel polarized navigation sensor, which is used for solving the technical problem of poor measurement accuracy in an existing bionic polarized angle-measuring sensor. According to the technical scheme, a loading plate (3) is provided with six square holes for loading a polarized-light cubic light splitter (13); the two middle square holes are parallel to the reference direction, the two left square holes are formed at the positions of the two middle square holes rotating by 60 degrees in the clockwise direction, and the two right square holes are formed at the positions of the two middle square holes rotating by 60 degrees in the anticlockwise direction; the polarized-light cubic light splitter (13) is clearance fit with the six square holes in the loading plate (3); a shallow groove is formed at the upper part of the loading plate (3), so that the polarized-light cubic light splitter (13) is slightly higher than the loading plate (3), and further the fixing is convenient. The three-channel polarized navigation sensor disclosed by the invention has the advantages that since the polarized-light cubic light splitter (13) is adopted as a polarized piece, the adjustment of the polarized direction when the polarized sensor is assembled is avoided, the structure is simple, the processing is convenient and the measurement accuracy is improved.
Description
Technical field
The present invention relates to a kind of navigation sensor, particularly relate to a kind of triple channel polarization navigation sensor.
Background technology
The navigation of bionical polarization is a kind of autonomous navigation method that the insect perception sky polarization mode such as the husky ant of simulation carries out navigator fix.Wherein, the polarization navigation sensor is a kind of Novel bionic navigation sensor according to the method design.
Existing Polarization-Sensitive device mainly comprises all-sky polarization mode measurement mechanism and orientation survey device two classes.
Document 1 " Chinese invention patent that number of patent application is 201210032766.9 " discloses a kind of all-sky polarized light measurement system.This system includes the all-sky polarized light measurement system of three digital cameras.This device is provided with a fish eye lens at each digital camera front end, and each fish eye lens front end is disposed with a polaroid and an optical filter, and the output terminal of each digital camera connects computing machine.Measure when utilizing this device to carry out three width images to the skylight light intensity, calculate degree of polarization and polarization azimuth, obtain remote sensing sky polarization mode patterns.
With reference to Fig. 5.Document 2 " Zhao Kaichun, Chu Jinkui etc. Novel bionic polarization angular measurement sensor and angular error backoff algorithm. aerospace journal, 2009 " a kind of bionical polarization angular measurement sensor disclosed.This polarization sensor comprises three polarization direction analyzers, and each polarization direction analyzer is comprised of the polarization sensitive cell location logarithm operational amplifier of pair of orthogonal.Polarization-Sensitive unit consists of blue color filter, linear analyzer (middle groove means polarization direction) and photodiode.Three polarization direction analyzers are by forming around equally distributed 6 the Polarization-Sensitive unit of central axis on a right cylinder, during assembling, need the rotation analyzer to make its polarization direction become 0 degree with the sensor reference direction respectively, 60 degree and 120 degree, signal to these three polarization directions carries out analyzing and processing, can obtain angle between sensor reference direction and sun meridian and the polarization degree information of direction of measurement, thereby realize navigation.Yet this Polarization-Sensitive device is owing to having used circularly polarizing plate, thereby it is fixing to make polaroid be difficult for, and under the conditions such as vibration, easily deflects; And Polarization-Sensitive device during polaroid, needs the rotatory polarization sheet to be aimed in assembling, make its polarization direction become respective angles with the reference direction of sensor, this alignment so is difficult to the assurance high precision, also to installation, makes troubles.
Summary of the invention
In order to overcome the existing poor deficiency of bionical polarization angular measurement sensor measuring accuracy, the invention provides a kind of triple channel polarization navigation sensor.Have six square holes on the loading plate of this sensor and be used for loading the polarisation cube beamsplitter, middle two square holes are parallel with reference direction, Liang Ge hole, the left side be in the middle of two square holes, 60 degree that turn clockwise, two, the right square hole is that middle two square holes are rotated counterclockwise 60 degree, six square holes on polarisation cube beamsplitter and loading plate adopt clearance fit, the loading plate top has shallow slot, makes the polarisation cube beamsplitter slightly exceed a bit, is convenient to fix.Owing to adopting the polarisation cube beamsplitter as polaroid, the adjustment of polarization direction while having avoided Polarization-Sensitive device assembling, and also simple in structure, easy to process, can improve measuring accuracy.
The technical solution adopted for the present invention to solve the technical problems is: a kind of triple channel polarization navigation sensor is characterized in comprising base 1, fixed head 2, loading plate 3, indent 4, pressing plate 5, pressure ring 6, briquetting 7, compressing tablet 8, optical filter 11, polarisation cube beamsplitter 13 and circuit board 14.Evenly open two unthreaded holes that work on fixed head 2, three light holes of every row, rectangular slot is left in fixed head 2 belows, and circuit board 14 is placed in groove, and is fixed on fixed head 2 with the 4th screw 15, makes the photodiode on circuit board 14 just pass through light hole; Base 1 top fluting, corresponding with the through hole on fixed head 2, have six square holes on loading plate 3 and be used for loading polarisation cube beamsplitter 13, middle two square holes are parallel with reference direction, Liang Ge hole, the left side be in the middle of two holes, 60 degree that turn clockwise, hole, two, the right is that two holes, centre are rotated counterclockwise 60 degree, polarisation cube beamsplitter 13 adopts clearance fit with six square holes on loading plate 3, loading plate 3 tops have shallow slot, make polarisation cube beamsplitter 13 slightly exceed a bit, are convenient to fix; Base 1, fixed head 2 and loading plate 3 threes are connected with the 3rd screw 12.On indent 4, six through holes are corresponding with six square holes on loading plate 3, for placing optical filter 11, between indent 4 and loading plate 3, with the second screw 10, are connected, indent 4 top flutings, the size of groove is just held six briquettings 7, and the degree of depth of groove is slightly less than the thickness of briquetting 7, so that briquetting 7 is compressed; Totally six of briquettings 7, square, center has tapped through hole, is placed in the fluting place of indent 4; Have six through holes on pressing plate 5, be connected with indent 4 use the first screws 9, briquetting 7 is compressed; Totally six of pressure rings 6, have external thread, and hole is opened in centre, and narrow groove is opened in top.Pressure ring 6, by the through hole on pressing plate 5, is threaded with briquetting 7, by tightening optical filter 11 and the polarizing cube optical splitter 13 of pressure ring 6 fixing belows.
The invention has the beneficial effects as follows: have six square holes on the loading plate of this sensor and be used for loading the polarisation cube beamsplitter, middle two square holes are parallel with reference direction, Liang Ge hole, the left side be in the middle of two square holes, 60 degree that turn clockwise, two, the right square hole is that middle two square holes are rotated counterclockwise 60 degree, six square holes on polarisation cube beamsplitter and loading plate adopt clearance fit, the loading plate top has shallow slot, makes the polarisation cube beamsplitter slightly exceed a bit, is convenient to fix.Owing to adopting the polarisation cube beamsplitter as polaroid, the adjustment of polarization direction while having avoided Polarization-Sensitive device assembling, and also simple in structure, easy to process, improved measuring accuracy.
Below in conjunction with drawings and Examples, the present invention is elaborated.
The accompanying drawing explanation
Fig. 1 is the vertical view of triple channel polarization navigation sensor of the present invention.
Fig. 2 is the D-D cut-open view of Fig. 1.
Fig. 3 is the P-P cut-open view of loading plate in Fig. 2.
Fig. 4 is the vertical view of loading plate in Fig. 2.
Fig. 5 is the Calibrator schematic diagram of the Polarization-Sensitive device of background technology.
In figure, 1-base, 2-fixed head, 3-loading plate, 4-indent, 5-pressing plate, 6-pressure ring, 7-briquetting, 8-compressing tablet, 9-the first screw, 10-the second screw, 11-optical filter, 12-the 3rd screw, 13-polarisation cube beamsplitter, 14-circuit board, 15-the 4th screw.
Embodiment
With reference to Fig. 1-4.Triple channel polarization navigation sensor of the present invention comprises base 1, fixed head 2, loading plate 3, indent 4, pressing plate 5, pressure ring 6, briquetting 7, compressing tablet 8, optical filter 11, polarisation cube beamsplitter 13 and circuit board 14.Evenly open two unthreaded holes that work on fixed head 2,3 of every row, rectangular slot is opened in below, circuit board 14 is placed in groove, and is fixed on fixed head 2 with 4 the 4th screws 15, makes the photodiode on circuit board 14 just pass through light hole; Base 1 top fluting, while avoiding fixed head 2 to be connected with base 1, circuit board 14 contacts and may be short-circuited with base 1; Corresponding with the through hole on fixed head 2, have 6 square holes on loading plate 3 and be used for loading polarisation cube beamsplitter 13, middle two square holes are parallel with reference direction, Liang Ge hole, the left side can regard as in the middle of two holes, 60 degree that turn clockwise, hole, two, the right can be regarded middle two holes as and be rotated counterclockwise 60 degree, the precision of angle can required design, polarisation cube beamsplitter 13 can adopt clearance fit with square hole, the loading plate top has shallow slot, make polarisation cube beamsplitter 13 slightly exceed a bit, be convenient to fix; Base 1, fixed head 2 is connected with the 3rd screw 12 with loading plate 3 threes.Open 6 through holes on indent 4 corresponding with square hole, for placing optical filter 11, be connected with the second screw 10 between indent 4 and loading plate 3, indent 4 top flutings, the size of groove is just held 6 briquettings 7, and its degree of depth is slightly less than the thickness of briquetting 7, so that briquetting 7 is compressed; Totally 6 of briquettings 7, square, center has tapped through hole, is placed in the fluting place of indent 4, is convenient to compress; Have 6 through holes on pressing plate 5, be connected with indent 4 use the first screws 9, briquetting 7 is compressed; Totally 6 of pressure rings 6, have external thread, and hole is opened in centre, and narrow groove is opened in top, is convenient to tighten.Pressure ring 6, by the through hole of pressing plate, is threaded with briquetting 7, can fix optical filter 11 and the polarizing cube optical splitter 13 of below by tightening pressure ring 6, and it is not shaken.
By Fig. 3～4, can be seen, because the seamed edge of polarisation cube beamsplitter is polarization direction, therefore, after the polarisation cube beamsplitter is packed square hole into, do not need to adjust polarization direction, can guarantee that polarization direction becomes respectively 0 degree with the reference direction of sensor respectively, 60 degree and 120 degree.
Claims (1)
1. a triple channel polarization navigation sensor, is characterized in that comprising base (1), fixed head (2), loading plate (3), indent (4), pressing plate (5), pressure ring (6), briquetting (7), compressing tablet (8), optical filter (11), polarisation cube beamsplitter (13) and circuit board (14), evenly open two unthreaded holes that work on fixed head (2), three light holes of every row, rectangular slot is left in fixed head (2) below, and circuit board (14) is placed in groove, and it is upper to be fixed in fixed head (2) with the 4th screw (15), makes the photodiode on circuit board (14) just pass through light hole, base (1) top fluting, corresponding with the through hole on fixed head (2), have six square holes on loading plate (3) and be used for loading polarisation cube beamsplitter (13), middle two square holes are parallel with reference direction, two, left side square hole be in the middle of two square holes, 60 degree that turn clockwise, two, the right square hole is that middle two holes are rotated counterclockwise 60 degree, polarisation cube beamsplitter (13) adopts clearance fit with six square hole square holes on loading plate (3), loading plate (3) top has shallow slot, make polarisation cube beamsplitter (13) slightly exceed a bit, be convenient to fix, base (1), fixed head (2) and loading plate (3) three are connected with the 3rd screw (12), upper six through holes of indent (4) are corresponding with six square holes on loading plate (3), for placing optical filter (11), between indent (4) and loading plate (3), with the second screw (10), be connected, indent (4) top fluting, the size of groove is just held six briquettings (7), the degree of depth of groove is slightly less than the thickness of briquetting (7), so that briquetting (7) is compressed, totally six of briquettings (7), square, center has tapped through hole, is placed in the fluting place of indent (4), have six through holes on pressing plate (5), be connected with the first screw (9) with indent (4), briquetting (7) is compressed, totally six of pressure rings (6), have external thread, and hole is opened in centre, and narrow groove is opened in top, pressure ring (6), by the through hole on pressing plate (5), is threaded with briquetting (7), by tightening optical filter (11) and the polarizing cube optical splitter (13) of the fixing below of pressure ring (6).
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| CN201310380079.0A CN103438885B (en) | 2013-08-27 | 2013-08-27 | Triple channel polarization navigation sensor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759725A (en) * | 2014-02-10 | 2014-04-30 | 北京航空航天大学 | Polarization azimuth angle determination method based on six-channel photoelectric sensor |
| CN104880188A (en) * | 2015-06-12 | 2015-09-02 | 北京航空航天大学 | All-optical path polarization sensor based on beam splitter prism |
| CN110133677A (en) * | 2019-06-26 | 2019-08-16 | 吉林大学 | A kind of integration navigation sensor |
| CN111504303A (en) * | 2020-04-17 | 2020-08-07 | 西北工业大学 | Miniature two-channel polarization navigation sensor and use method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040218187A1 (en) * | 2002-03-18 | 2004-11-04 | Cole Barrett E. | Multiple wavelength spectrometer |
| CN1789916A (en) * | 2005-11-25 | 2006-06-21 | 中国科学院上海光学精密机械研究所 | High precision polarized light navigating instrument |
| CN101149390A (en) * | 2007-11-01 | 2008-03-26 | 大连理工大学 | Movement direction angle polarization sensitivity detection method and sensor device |
| CN101441169A (en) * | 2008-12-31 | 2009-05-27 | 合肥工业大学 | Plane four-channel atmosphere polarization information detection sensor |
| CN101852614A (en) * | 2010-06-10 | 2010-10-06 | 大连理工大学 | Miniature polarized light detecting device of navigation sensor |
| CN102445199A (en) * | 2011-09-20 | 2012-05-09 | 北京航天自动控制研究所 | Three-channel polarization navigation sensor platform |
| CN102538783A (en) * | 2012-02-14 | 2012-07-04 | 北京大学 | Bionic navigation method and navigation positioning system based on remote sensing sky polarization mode patterns |
| CN102902276A (en) * | 2012-10-12 | 2013-01-30 | 大连理工大学 | Flying control system based on polarized light sensor |
| EP2616804A1 (en) * | 2010-09-17 | 2013-07-24 | IEE International Electronics & Engineering S.A. | Dynamic trap ion mobility spectrometer |
-
2013
- 2013-08-27 CN CN201310380079.0A patent/CN103438885B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040218187A1 (en) * | 2002-03-18 | 2004-11-04 | Cole Barrett E. | Multiple wavelength spectrometer |
| CN1789916A (en) * | 2005-11-25 | 2006-06-21 | 中国科学院上海光学精密机械研究所 | High precision polarized light navigating instrument |
| CN101149390A (en) * | 2007-11-01 | 2008-03-26 | 大连理工大学 | Movement direction angle polarization sensitivity detection method and sensor device |
| CN101441169A (en) * | 2008-12-31 | 2009-05-27 | 合肥工业大学 | Plane four-channel atmosphere polarization information detection sensor |
| CN101852614A (en) * | 2010-06-10 | 2010-10-06 | 大连理工大学 | Miniature polarized light detecting device of navigation sensor |
| EP2616804A1 (en) * | 2010-09-17 | 2013-07-24 | IEE International Electronics & Engineering S.A. | Dynamic trap ion mobility spectrometer |
| CN102445199A (en) * | 2011-09-20 | 2012-05-09 | 北京航天自动控制研究所 | Three-channel polarization navigation sensor platform |
| CN102538783A (en) * | 2012-02-14 | 2012-07-04 | 北京大学 | Bionic navigation method and navigation positioning system based on remote sensing sky polarization mode patterns |
| CN102902276A (en) * | 2012-10-12 | 2013-01-30 | 大连理工大学 | Flying control system based on polarized light sensor |
Non-Patent Citations (3)
| Title |
|---|
| 周军等: "《基于自然偏振光的自主导航新方法研究进展》", 《宇航学报》, vol. 30, no. 2, 3 March 2009 (2009-03-03), pages 409 - 414 * |
| 张宗梅等: "《三通道偏振导航传感器正交误差影响分析》", 《航天控制》, vol. 31, no. 1, 15 February 2013 (2013-02-15), pages 80 - 85 * |
| 黄河等: "《地球大气光学偏振模式研究》", 《计算机仿真》, vol. 27, no. 9, 15 September 2010 (2010-09-15), pages 92 - 96 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759725A (en) * | 2014-02-10 | 2014-04-30 | 北京航空航天大学 | Polarization azimuth angle determination method based on six-channel photoelectric sensor |
| CN103759725B (en) * | 2014-02-10 | 2016-08-17 | 北京航空航天大学 | A kind of polarization azimuth based on clematis stem road photoelectric sensor determines method |
| CN104880188A (en) * | 2015-06-12 | 2015-09-02 | 北京航空航天大学 | All-optical path polarization sensor based on beam splitter prism |
| CN104880188B (en) * | 2015-06-12 | 2016-03-02 | 北京航空航天大学 | A kind of full light path polarization sensor based on Amici prism |
| CN110133677A (en) * | 2019-06-26 | 2019-08-16 | 吉林大学 | A kind of integration navigation sensor |
| CN111504303A (en) * | 2020-04-17 | 2020-08-07 | 西北工业大学 | Miniature two-channel polarization navigation sensor and use method thereof |
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