CN109581402A - A kind of strapdown laser half actively guides shot detection system and method - Google Patents
A kind of strapdown laser half actively guides shot detection system and method Download PDFInfo
- Publication number
- CN109581402A CN109581402A CN201910069239.7A CN201910069239A CN109581402A CN 109581402 A CN109581402 A CN 109581402A CN 201910069239 A CN201910069239 A CN 201910069239A CN 109581402 A CN109581402 A CN 109581402A
- Authority
- CN
- China
- Prior art keywords
- lens
- detector
- laser
- lens barrel
- detection system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title abstract description 10
- 230000003287 optical effect Effects 0.000 claims abstract description 40
- 238000003825 pressing Methods 0.000 claims description 24
- 230000000007 visual effect Effects 0.000 description 13
- 239000000523 sample Substances 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/66—Tracking systems using electromagnetic waves other than radio waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The invention discloses a kind of strapdown laser half actively to guide shot detection system and method, including lens barrel and the optical system being set to inside lens barrel, the optical system includes optical filter, lens A, the lens B, 4 quadrant detector set gradually along light input to output direction, the lens A is spherical mirror, lens B is aspherical mirror, and the air distance between lens A and lens B is 4.8mm.The present invention is easy to implement, and device adjustment is simple, and 4 quadrant detector exports electric signal and stablizes.
Description
Technical field
The invention belongs to electronic information technical fields, are related to laser acquisition fields, and in particular to a kind of strapdown laser half is main
Dynamic guiding shot detection system and method.
Background technique
Three kinds of aiming means: semi-active laser guidance, laser active quidance and laser-beam riding are mainly taken in laser guidance
Guidance.Semi-active laser guidance is developed earliest in laser guidance system, and technology is most mature, a kind of wider guidance side of application
Formula.Its course of work is that specified target is irradiated using independent laser irradiation device, receives objective emission by target seeker on bullet
Laser echo signal receives optical signal by 4 quadrant detector, is being guided after signal processing system.Currently, in state
Interior based on the laser guidance system of Quadrant Detector System, there are adjustment complexity, and include 3 or more eyeglasses in body tube, if
Meter is complicated, therefore a eyeglass of research and development is few, and the simple laser guidance optical system of adjustment is following developing direction.
Summary of the invention
The present invention provides a kind of strapdown laser half actively to guide shot detection system and method, to solve in the prior art
The problem of, the present invention uses 2 eyeglasses (a piece of aspherical and a piece of spherical surface), and easy to implement, device adjustment is simple, and four-quadrant is visited
Device output electric signal is surveyed to stablize.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
A kind of strapdown laser half actively guides shot detection system, including lens barrel and the optical system being set to inside lens barrel
System, the optical system include the optical filter set gradually along light input to output direction, lens A, lens B, four-quadrant spy
Device is surveyed, the lens A is spherical mirror, and lens B is aspherical mirror, and the air distance between lens A and lens B is 4.8mm.
Further, the optical filter retainer plate for fixing optical filter, the inside of lens barrel are connected on front side of the lens barrel
It is provided with the first pressing ring and the second pressing ring, the lens A is fixed between the first pressing ring and the second pressing ring, and lens B is fixed on
The 4 quadrant detector for fixing 4 quadrant detector is provided between boss inside two pressing rings and lens barrel, on rear side of lens barrel
Fixed structure.
Further, the 4 quadrant detector fixed structure include be connected to detector adjusting ring on the inside of lens barrel and
The detector pressing ring being connected on rear side of lens barrel, is provided with detector retainer plate and spy between detector adjusting ring and detector pressing ring
Device locating ring is surveyed, and is equipped with one or more film explorers between detector adjusting ring and detector retainer plate and adjusts gasket.
Further, 4 quadrant detector is fixed by screw and detector retainer plate.
Further, optical filter retainer plate is threadedly secured to the front end of lens barrel.
A kind of strapdown laser half actively guides shot detection method, diffusing reflection is generated after laser irradiation to target, first
It diffuses through optical filter, filters stray light, the laser of only specific band passes through, then again by spherical lens A and non-
Spherical lens B converges at the laser of specific band on 4 quadrant detector photosensitive surface, while laser facula is converted into electricity
Signal obtains the location information of target, realization pair by distribution situation of the analysis hot spot on 4 quadrant detector photosurface
It the tracking of target and approaches.
Compared with prior art, the invention has the following beneficial technical effects:
Traditional strapdown laser half actively guides shot detection system using 3 spheric glasses, because 2 eyeglasses do not have energy
Power makes to be focused on 4 quadrant detector by the laser of lens barrel completely, and only 3 spheric glasses can just be accomplished, and the 3rd
Piece optic diameter is smaller, cannot directly fix with lens barrel, it is necessary to use an eyeglass cutting ferrule, the 3rd eyeglass is made to be fixed on mirror
It on piece cutting ferrule, then fixes with lens barrel, structure is complicated, and 2 eyeglasses are used only in the present invention, i.e. 1 non-spherical lens and 1 spherical surface are saturating
Mirror is different from traditional method, and the lens curvature radius of traditional spherical mirror is a definite value, and that the present invention uses is aspherical
Lens curvature radius can change, in this case, can taking human as control aspherical lens light gathering, i.e., 1 is non-
The effect of spheric glass is equal to the convergent laser ability of traditional 2 spherical mirrors, and easy to implement, device adjustment is simple, four-quadrant
Detector exports electric signal and stablizes, and Quadrant detector optical system plays a part of collection, convergent laser energy, and detector receives
Faint optical signal is converted to electric signal by the laser signal of target reflection, passes through distribution of the analysis hot spot on detector photosurface
Situation obtains the location information of target, realize the tracking to target and approaches, and has position resolution high, fast response time etc. is excellent
Point.
In the method for the present invention, diffusing reflection is generated after laser irradiation to target, is diffused first through optical filter, is filtered big
The laser of part stray light, only specific band passes through, and then makes specific band by spherical lens A and non-spherical lens B again
Laser converge on 4 quadrant detector photosensitive surface, while laser facula is converted into electric signal.Existed by analyzing hot spot
Distribution situation on detector photosurface obtains the location information of target, realizes the tracking to target and approaches, there is position point
The advantages that resolution is high, fast response time.
Detailed description of the invention
Fig. 1 is optical system structure schematic diagram of the present invention；
Fig. 2 is optical system hot spot footprint figure of the present invention, wherein (a) is the hot spot situation of 0 ° of visual field, it is (b) 9 ° of visual fields
Hot spot situation, (c) be 15 ° of visual fields hot spot situation；
Fig. 3 is optical system of the present invention hot spot distribution map on the detector；
Fig. 4 is overall structure of the present invention.
Wherein, 1: optical filter retainer plate, 2: lens barrel, 3: the first pressing rings, 4: the second pressing rings, 5: 4 quadrant detector, 6: visiting
Survey device adjusting ring, 7: detector retainer plate, 8: probe position circle, 9: detector pressing ring, 10: optical filter, 11: lens A, 12:
Lens B.
Specific embodiment
Present invention is further described in detail with reference to the accompanying drawing:
Referring to Fig. 1 and Fig. 4, a kind of strapdown laser half actively guides shot detection system, comprising: lens barrel 2 and is arranged and mirror
The optical system of 2 inside of cylinder, the optical system are successively arranged optical filter 10, lens A11, saturating along light input to output direction
Mirror B12,4 quadrant detector 5, the lens A11 are spherical mirrors, and lens B12 is aspherical mirror, lens A11 and lens B12's
Air distance is 4.8mm.
The front side of lens barrel 2 is the structure for fixing optical filter 10.The lens A11 and lens B12 are in turn secured to mirror
Inside cylinder 2.There is the first pressing ring 3 between optical filter 10 and lens A11 inside lens barrel 2, between lens A11 and lens B12
Second pressing ring 4, the 4 quadrant detector fixed structure between 2 rear side of lens B12 and lens barrel.The 4 quadrant detector 5
Positioned at the rear side of lens barrel 2.The lens barrel 2 is connected with detector adjusting ring 6, and 4 quadrant detector 5 is connected with detector retainer plate 7
It connects, detector retainer plate 7 is connected with probe position circle 8, and probe position circle 8 is connected with detector pressing ring 9, detector pressing ring
9 are connected with lens barrel 2, there is one or more film explorer adjustment gaskets between detector adjusting ring 6 and detector retainer plate 7.
Outstanding strapdown las er-guidance camera lens will meet big visual field, big linear zone, big clear aperture, and have good temperature
Spend adaptability and processing, adjustment technique.Spot diameter is about the half of detector photosurface diameter, and hot spot is too small, may be only
A certain quadrant is only converged at, it can not output position signal；Hot spot is too big, and linear zone becomes larger, when exceeding photosurface, then according to Cheng Nengliang
Loss.Light spot energy will be evenly distributed, and center can deviate when hot spot is unevenly distributed, and detection accuracy will reduce.
2 inside of lens barrel of the present invention only needs 2 eyeglasses, i.e. lens A11 and lens B12, and 2 adjustment of lens barrel is simple and convenient, and it is raw to be easy to batch
It producing, the linear zone of entire strapdown las er-guidance shot detection system is at ± 9 degree, and visual field is ± 15 degree, and hot spot is uniform, and circularity is good,
It distorts small.
Below with reference to embodiment, the present invention will be described in detail:
With reference to Fig. 1, a kind of strapdown laser half actively guides shot detection system, along optical path respectively optical filter from left to right
10, lens A11, lens B12,4 quadrant detector 5.Wherein for each lens parameters according to linear zone at ± 9 degree, visual field is ± 15
Degree, hot spot is uniform, and circularity is good, and the small system functional requirement that distorts optimizes.
With reference to Fig. 4, optical filter retainer plate 1 is threadably secured optical filter retainer plate 1 for fixing optical filter 10
In the front end of lens barrel 2.Lens A11 and lens B12 are separately fixed in lens barrel 2 by the first pressing ring 3 and the second pressing ring 4
Portion.It is fixed on detector retainer plate 7 using key screw 4 quadrant detector 5.Detector adjusting ring 6 is placed on detector retainer plate
Between 7 and lens barrel 2, for adjusting the defocus distance of detector, using probe position circle 8 and detector pressing ring 9 detector
It is fixed on 2 rearmost end of lens barrel.
The course of work of the present invention is to generate diffusing reflection after laser irradiation to target, is diffused first through the system
Optical filter filters most of stray light, and the laser of only specific band passes through, and then passes through the spherical lens A of the system again
It with non-spherical lens B, converges at the laser of specific band on 4 quadrant detector photosensitive surface, while laser facula is converted
At electric signal.The location information that target is obtained by distribution situation of the analysis hot spot on detector photosurface, is realized to mesh
Target is tracked and is approached.
Fig. 2 is laser by hot spot after optical filter, spherical mirror and aspherical mirror in lens barrel in 4 quadrant detector photosurface
On image be divided into 4 quadrants in figure, the spot size of each quadrant is identical wherein figure (a) is the hot spot situation of 0 ° of visual field.
(b) be 9 ° of visual fields hot spot situation, this when compared to 2 (a) in only have hot spot there are two quadrant, change in 0 ° to 9 ° visual field
Situation is hot spot has hot spot to only have 2 quadrants to have the change procedure of hot spot to the end from 4 quadrants, is referred to as linear zone.(c)
It is the hot spot situation of 15 ° of visual fields, is the variation that hot spot only has 2 quadrants to have hot spot always in 9 ° to 15 ° visual field situations of change
Journey is referred to as visual field.
Fig. 3 is that the laser of different visual fields (0 °, 9 ° and 15 °) passes through optical filter in lens barrel, spherical mirror and aspherical mirror respectively
Hot spot is on 4 quadrant detector photosurface in image afterwards.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (6)
1. a kind of strapdown laser half actively guides shot detection system, which is characterized in that including lens barrel (2) and be set to lens barrel
(2) internal optical system, the optical system include the optical filter (10) set gradually along light input to output direction, thoroughly
Mirror A (11), lens B (12), 4 quadrant detector (5), the lens A (11) are spherical mirror, and lens B (12) is aspherical mirror,
And the air distance between lens A (11) and lens B (12) is 4.8mm.
2. a kind of strapdown laser according to claim 1 half actively guides shot detection system, which is characterized in that the mirror
The optical filter retainer plate (1) for fixing optical filter (10) is connected on front side of cylinder (2), lens barrel (2) is internally provided with first
Pressing ring (3) and the second pressing ring (4), the lens A (11) are fixed between the first pressing ring (3) and the second pressing ring (4), lens B
(12) it is fixed between the second pressing ring (4) and the boss of lens barrel (2) inside, lens barrel is provided on rear side of (2) for fixing four-quadrant
Limit the 4 quadrant detector fixed structure of detector (5).
3. a kind of strapdown laser according to claim 2 half actively guides shot detection system, which is characterized in that described four
Quadrant detector fixed structure includes being connected to the detector adjusting ring (6) on the inside of lens barrel (2) and being connected on rear side of lens barrel (2)
Detector pressing ring (9), be provided between detector adjusting ring (6) and detector pressing ring (9) detector retainer plate (7) and detection
Device locating ring (8), and be equipped with one or more film explorers between detector adjusting ring (6) and detector retainer plate (7) and adjust gasket.
4. a kind of strapdown laser according to claim 3 half actively guides shot detection system, which is characterized in that four-quadrant
Detector (5) is fixed by screw and detector retainer plate (7).
5. a kind of strapdown laser according to claim 2 half actively guides shot detection system, which is characterized in that optical filter
Retainer plate (1) is threadedly secured to the front end of lens barrel (2).
6. a kind of strapdown laser half actively guides shot detection method, using a kind of described in any item strapdowns of claim 1-5
Laser half actively guides shot detection system, which is characterized in that diffusing reflection, first diffusing reflection are generated after laser irradiation to target
Light filters stray light by optical filter (10), and the laser of only specific band passes through, then again by spherical lens A (11) and
Non-spherical lens B (12) converges at the laser of specific band on 4 quadrant detector (5) photosensitive surface, while laser light
Spot is converted into electric signal, and the position of target is obtained by distribution situation of the analysis hot spot on 4 quadrant detector (5) photosurface
Confidence breath is realized the tracking to target and is approached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910069239.7A CN109581402A (en) | 2019-01-24 | 2019-01-24 | A kind of strapdown laser half actively guides shot detection system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910069239.7A CN109581402A (en) | 2019-01-24 | 2019-01-24 | A kind of strapdown laser half actively guides shot detection system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109581402A true CN109581402A (en) | 2019-04-05 |
Family
ID=65917205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910069239.7A Pending CN109581402A (en) | 2019-01-24 | 2019-01-24 | A kind of strapdown laser half actively guides shot detection system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109581402A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113721247A (en) * | 2021-09-23 | 2021-11-30 | 湖北三江航天万峰科技发展有限公司 | Miniaturized laser detection device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201936009U (en) * | 2010-10-27 | 2011-08-17 | 北京握奇数据系统有限公司 | Optical range measurement system |
| CN103713291A (en) * | 2013-12-20 | 2014-04-09 | 河北汉光重工有限责任公司 | Semi-active laser target detection apparatus |
| CN104459957A (en) * | 2014-12-22 | 2015-03-25 | 福建福光数码科技有限公司 | Refrigeration type medium wave infrared light and laser double-mode common-caliber camera lens |
| CN106526799A (en) * | 2016-11-28 | 2017-03-22 | 河北汉光重工有限责任公司 | High-stability high-energy laser receiving lens |
| CN106997091A (en) * | 2017-05-24 | 2017-08-01 | 湖北三江航天万峰科技发展有限公司 | A kind of laser angular measurement lens optical system |
| CN107015237A (en) * | 2017-06-12 | 2017-08-04 | 深圳市镭神智能系统有限公司 | A kind of sounding optical system |
| CN209560084U (en) * | 2019-01-24 | 2019-10-29 | 西安深瞳智控技术有限公司 | A kind of strapdown laser half actively guides shot detection system |
-
2019
- 2019-01-24 CN CN201910069239.7A patent/CN109581402A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201936009U (en) * | 2010-10-27 | 2011-08-17 | 北京握奇数据系统有限公司 | Optical range measurement system |
| CN103713291A (en) * | 2013-12-20 | 2014-04-09 | 河北汉光重工有限责任公司 | Semi-active laser target detection apparatus |
| CN104459957A (en) * | 2014-12-22 | 2015-03-25 | 福建福光数码科技有限公司 | Refrigeration type medium wave infrared light and laser double-mode common-caliber camera lens |
| CN106526799A (en) * | 2016-11-28 | 2017-03-22 | 河北汉光重工有限责任公司 | High-stability high-energy laser receiving lens |
| CN106997091A (en) * | 2017-05-24 | 2017-08-01 | 湖北三江航天万峰科技发展有限公司 | A kind of laser angular measurement lens optical system |
| CN107015237A (en) * | 2017-06-12 | 2017-08-04 | 深圳市镭神智能系统有限公司 | A kind of sounding optical system |
| CN209560084U (en) * | 2019-01-24 | 2019-10-29 | 西安深瞳智控技术有限公司 | A kind of strapdown laser half actively guides shot detection system |
Non-Patent Citations (2)
| Title |
|---|
| 姜理想;: "非球面在红外成像导引头中的应用研究", 内江科技, no. 04 * |
| 段萌;: "非球面光学系统在空空导弹上的应用研究", 航空兵器, no. 04 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113721247A (en) * | 2021-09-23 | 2021-11-30 | 湖北三江航天万峰科技发展有限公司 | Miniaturized laser detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109683172A (en) | A kind of slave laser half actively guides shot detection system and method | |
| CN209560084U (en) | A kind of strapdown laser half actively guides shot detection system | |
| CN209560083U (en) | A kind of slave laser half actively guides shot detection system | |
| CN109581402A (en) | A kind of strapdown laser half actively guides shot detection system and method | |
| CN112596218B (en) | Large-depth-of-field infrared wavelength scanning lens | |
| CN111123241A (en) | Large-aperture follow-up laser semi-active guide lens detection system and method | |
| CN103454072B (en) | Coefficient of stray light and point source transmitance composite test method and system | |
| RU191911U1 (en) | Projection Aperture Lens | |
| CN209842204U (en) | Small-field-of-view ultraviolet objective optical system, ultraviolet objective and ultraviolet detector | |
| CN107643022B (en) | A kind of las er-guidance camera lens based on 4 quadrant detector | |
| CN108646390A (en) | Near-infrared large aperture camera lens | |
| CN111708045B (en) | Laser angle measurement optical lens and optical receiving system | |
| CN212321829U (en) | Large-aperture follow-up laser semi-active guide lens detection system | |
| CN109471244B (en) | Large-view-field double-telecentric lens based on machine vision | |
| RU2672703C1 (en) | Two-channel mirror-lens system | |
| RU2157556C1 (en) | Sight with variable magnification | |
| CN220556354U (en) | Radiation temperature measurement equipment | |
| CN110687661A (en) | Long-focus large-caliber laser guide lens based on four-quadrant detector | |
| CN219657941U (en) | High-precision detection lens | |
| CN217846760U (en) | Short wave infrared broadband athermal image space telecentric telescope objective | |
| CN212623316U (en) | Double telecentric lens | |
| RU178354U1 (en) | TWO-CHANNEL MIRROR AND LENS SYSTEM | |
| CN204129332U (en) | Optical attenuator | |
| RU2525652C1 (en) | Angle measurement device | |
| CN219714171U (en) | Optical imaging system of sighting telescope with large zoom ratio and long exit pupil distance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |