CN105783593B - A kind of laser seeker and its guidance method - Google Patents
A kind of laser seeker and its guidance method Download PDFInfo
- Publication number
- CN105783593B CN105783593B CN201610286240.1A CN201610286240A CN105783593B CN 105783593 B CN105783593 B CN 105783593B CN 201610286240 A CN201610286240 A CN 201610286240A CN 105783593 B CN105783593 B CN 105783593B
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- China
- Prior art keywords
- laser
- laser detectors
- apd
- detectors
- target
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G3/00—Aiming or laying means
- F41G3/22—Aiming or laying means for vehicle-borne armament, e.g. on aircraft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G11/00—Details of sighting or aiming apparatus; Accessories
Abstract
The invention discloses a kind of laser seeker and its guidance method, target seeker is installed on aircraft, for seizure and lock onto target, including four-quadrant PIN laser detectors and APD laser detectors, the four-quadrant PIN laser detectors and APD laser detectors are arranged in same frame, the front end that APD laser detectors are arranged on four-quadrant PIN laser detectors is used to catch distant object, and the four-quadrant PIN laser detectors are used to closely lock caught target;Due to the combination detector design for using, the detection of laser semiactive homer is set to recognize that distance has reached the degree of more than 10km.So as to ensure that on the basis of production domesticization device completely, on the premise of the irradiation energy of laser irradiation device is not increased, the operating distance of target seeker is improve.Greatly reduce weight, design difficulty and the cost of whole aircraft tracking system and laser semiactive homer.With reliable design, cost is reasonable, it is easy to the advantages of producing in batches.
Description
Technical field
Laser semiactive homer optical system of the present invention, more particularly to a kind of laser seeker and its guiding side
Method, employs combination detector design, the detection of laser semiactive homer is recognized that distance has reached more than 10km.
Background technology
At present, the developed country such as U.S. laser semiactive homer uses four-quadrant APD laser detectors.But batch is full
Sufficient target seeker is very big using four-quadrant APD laser detector technical difficulty, as long as minority developed country grasps and can criticize at present
Amount production.And these countries embargo completely to such detector of China.Moreover APD laser detectors are difficult using technology
Degree is big, it is necessary to carry out temperature-compensating to output signal, homing head blind zone is big.Due to the ability that China does not produce in batches, so
Laser seeker field cannot be applied to.
The design of four-quadrant APD laser detectors, production, big, the current root of China using difficulty are used due to meeting target seeker
This does not possess the ability of autonomous production, so target seeker can only use four-quadrant PIN laser detectors.This detector technology into
It is ripe, it is widely used.But PIN laser seekers there is also an obvious shortcoming simultaneously:If irradiated using individual soldier's laser
Device, homing-head range can only achieve 2 ~ 3km.Even if using airborne laser irradiator, homing-head range can only achieve 5
~6km。
The content of the invention
The purpose of the present invention proposes a kind of laser seeker and its guidance method, employs combination detector design,
The detection of laser semiactive homer is set to recognize that distance reaches the degree of more than 10km.So as to ensure that in the device that domesticizes completely
Basis, on the premise of the irradiation energy of laser irradiation device is not increased, improve the operating distance of target seeker;Greatly reduce
Entirely use system and weight, design difficulty, the cost of laser semiactive homer;With reliable design, cost is reasonable, it is easy to
The advantages of batch production.
To achieve these goals, the technical scheme is that:
A kind of laser seeker, is installed on aircraft, is visited for seizure and lock onto target, including four-quadrant PIN laser
Device and APD laser detectors are surveyed, wherein, the four-quadrant PIN laser detectors and APD laser detectors are arranged on same machine
On frame, the front end that APD laser detectors are arranged on four-quadrant PIN laser detectors is used to catch distant object, the four-quadrant
Limit PIN laser detectors are used to closely lock caught target.
Scheme is further:The APD laser detectors front end is provided with the optics by single peak value wavelength
Filter rectification cover, radome fairing is used for the optically filtering of the APD laser detectors and four-quadrant PIN laser detectors simultaneously.
Scheme is further:The APD laser detectors are APD point source laser detectors.
Scheme is further:The four-quadrant PIN laser detectors and APD laser detectors are connected to respective independence
Transmitted light reception system, transmitted light reception system is connected with a guide controller.
Scheme is further:The frame installation settings has a principal reflection mirror for inner concave arc surface, and principal reflection mirror center sets
Open-work is equipped with, open-work is connected with the cavity set in frame, and the four-quadrant PIN laser detectors are arranged on cavity
In, brace rod is extended with to principal reflection mirror center front along the frame on principal reflection mirror periphery, the top of brace rod is provided with bearing,
Just to principal reflection mirror center open-work, APD laser detectors are mounted on bearing bearing;The APD laser detectors back side
Bearing is provided with primary event mirror towards open-work face, and the principal reflection mirror receives the optical signal through optically filtering radome fairing, and
Primary event mirror is reflected it to, the optical signal of reception is reflexed to the four-quadrant PIN by primary event mirror by the open-work
On the light sensor photosurface of laser detector, there is transmission-type lens group in the APD laser detectors front end installation settings.
Scheme is further:The transmission-type lens group is constituted by being set before and after two panels lens, and two panels lens will transmit through light
The laser beam for learning the tracked target of filter rectification cover is refracted on the light sensor photosurface of APD laser detectors.
Scheme is further:The brace rod be three along principal reflection mirror peripheral frame be equidistantly positioned to principal reflection mirror
The triangular support muscle to be formed is stretched out in central front.
Scheme is further:The single peak value wavelength is 1.06um.
A kind of target following guidance method based on laser seeker, the laser seeker is installed on aircraft, is swashed
Light homing head includes the four-quadrant PIN laser detectors and APD laser detectors in same frame, the four-quadrant
PIN laser detectors and APD laser detectors are connected to each independent transmitted light reception system, transmitted light
Reception system is connected with a guide controller, and the APD laser detectors are arranged on the front end of four-quadrant PIN laser detectors
For catching distant object, the four-quadrant PIN laser detectors are used to closely lock caught target;The target
Track homing method is:The four-quadrant PIN laser detectors and APD laser detectors receive the tracking target for determining and refer to simultaneously
Order;First by APD laser detector searching target reflected light signals, the target reflecting light letter that APD laser detectors will be searched
Aircraft guide controller number is delivered to, close to target, the distance that aircraft is tracked close to target causes four to the tracking of vectored flight device
Quadrant PIN laser detectors have received target reflecting light signal, then PIN laser detectors send target to guide controller
Coordinate information locks caught target.
Scheme is further:The APD laser detectors front end is provided with the optics by single peak value wavelength
Filter rectification cover, radome fairing is used for the optics filter of the APD point sources laser detector and four-quadrant PIN laser detectors simultaneously
Ripple.
The beneficial effects of the invention are as follows:Due to the combination detector design for using, make laser semiactive homer
Detection identification distance has reached the degree of more than 10km.So as to ensure that on the basis of production domesticization device completely, do not increase sharp
On the premise of the irradiation energy of light illuminator, the operating distance of target seeker is improve.Greatly reduce whole aircraft tracking system
System and the weight of laser semiactive homer, design difficulty and cost.With reliable design, cost is reasonable, it is easy to which batch is raw
The advantages of product.
Invention is described in detail with reference to the accompanying drawings and examples.
Brief description of the drawings
Fig. 1 is laser seeker structural representation;
Fig. 2 is laser seeker rack construction schematic diagram;
Fig. 3 is PIN laser acquisition light path schematic diagrams;
Fig. 4 is APD laser acquisition light path schematic diagrams.
Specific embodiment
Embodiment 1:
A kind of laser seeker, is installed on aircraft, for seizure and lock onto target, as shown in figure 1, the laser is led
Leader include four-quadrant PIN laser detectors 1 and APD laser detectors 2, wherein, the four-quadrant PIN laser detectors with
APD laser detectors are arranged in same frame 3, and APD laser detectors are arranged on the front end of four-quadrant PIN laser detectors
For catching distant object, the four-quadrant PIN laser detectors are used to closely lock caught target.
Due to APD point source laser detector technology maturations, and the technical fields such as laser ranging are widely used in, found range
Reachable more than the 10km of distance, and it is cheap.But point source laser detector is used alone in laser seeker field, target seeker
It is difficult to produce the line of sight angular velocity signal for precise guidance, and four-quadrant PIN laser detectors are one and can produce
The product of the raw line of sight angular velocity signal for precise guidance, will relative to four-quadrant APD laser detectors technical difficulty
It is much lower, and technology maturation is widely used.And four-quadrant PIN laser detectors are also a kind of mature technology, but four-quadrant
PIN laser detectors can only achieve 2 ~ 3km for homing-head range, therefore, the preposition installation APD detections of this embodiment scheme
Device, rearmounted installation PIN four-quadrant laser detectors, two kinds of detectors have each independent optics receiving unit.Due to using
Combination detector design, the detection identification distance of laser semiactive homer has been reached the degree of more than 10km.From
And ensure that on the basis of production domesticization device completely, on the premise of the irradiation energy of laser irradiation device is not increased, improve and lead
The operating distance of leader.Greatly reduce weight, the design difficulty of whole aircraft tracking system and laser semiactive homer
And cost.With reliable design, cost is reasonable, it is easy to the advantages of producing in batches.
Four-quadrant PIN laser detectors optical receiving system uses Cassegrain's refractive and reflective optical system, after being arranged on
In putting detector cavity;APD point sources laser detector is arranged on preliminary detector cavity using independent transmission type optical system
In.Due to two optical system independences of detector, also two kinds of independent optical receiving systems maturation be applied to it is various
In product, so technology is realized having no problem.
In embodiment:In order to reduce interference of the clutter to detector, the APD laser detectors front end is provided with one
By the optically filtering radome fairing 4 of single peak value wavelength, radome fairing is used for the APD point sources laser detector and four-quadrant simultaneously
The optically filtering of PIN laser detectors;The single peak value wavelength that the present embodiment is used is 1.06um;Only peak wavelength
For 1.06um is transmissive into optical system, clutter is filtered by optical rectification cover.
As described above:The APD laser detectors use APD point source laser detectors.Also, the four-quadrant
PIN laser detectors and APD laser detectors are connected to each independent transmitted light reception system, transmitted light
Reception system is connected with a guide controller;To one be oriented to target acquisition information transmission and control by transmitted light reception system
Device processed.
In embodiment:As depicted in figs. 1 and 2, the frame installation settings has a principal reflection mirror for inner concave arc surface 5(Can
Realized with by coating reflective coating in inner concave arc surface), principal reflection mirror center is provided with open-work 6, open-work and the setting in frame
A cavity 7(Rearmounted detector cavity)Connection, the four-quadrant PIN laser detectors are arranged on rearmounted detector cavity
In, brace rod 8 is extended with to principal reflection mirror center front along the frame on principal reflection mirror periphery, the top of brace rod is provided with bearing
9, just to principal reflection mirror center open-work, APD laser detectors are mounted on bearing bearing;The APD laser detectors back of the body
Face bearing is provided with primary event mirror 10 towards open-work face(Coating reflective coating is again may be by realize), as shown in figure 3, institute
State principal reflection mirror and receive the optical signal for passing through optically filtering radome fairing, and reflect it to primary event mirror, primary event mirror will
The optical signal of reception is reflexed on the light sensor photosurface 101 of the four-quadrant PIN laser detectors by the open-work,
Followed by photosurface is focusing surface 102;Parallel diffusing reflection laser beam by after radome fairing, inciding on principal reflection mirror first,
Converged in secondary mirror by primary event, then by after secondary mirror reflection, being projected on detector photosurface.Detector
After sensing laser, output characterizes the voltage signal of laser energy;There is transmission in the APD laser detectors front end installation settings
Formula lens group.
Wherein:As shown in figure 4, the transmission-type lens group is set by two panels lens before and after lens 1 and lens 2 12
Composition, the laser beam that two panels lens will transmit through the tracked target of optically filtering radome fairing refracts to the light of APD laser detectors
On dependent sensor photosurface 201, followed by photosurface is focusing surface 202.Parallel diffusing reflection laser beam is by after radome fairing, pressing
Light path shown in index path 4 enters APD detector transmission-type lens groups, after lens are converged, is projected on detector photosurface,
After detector senses laser, output characterizes the voltage signal of laser energy.
Two kinds of detector segment informations merge thinking:APD point source laser detectors, can easily realize the effect of 10km away from
From.When target range target seeker exceedes four-quadrant PIN laser detector detection ranges, by APD laser detectors detection identification mesh
Mark;After target enters the identification range of PIN laser detectors, by the identification of PIN laser detectors, tracking target, and use is exported
In the instruction of precise guidance, until hitting the mark.
In embodiment:As shown in Fig. 2 the brace rod be three along principal reflection mirror peripheral frame be equidistantly positioned to master
The triangular support muscle to be formed is stretched out in speculum center front.
Embodiment 2:
A kind of target following guidance method based on laser seeker described in embodiment 1, thus embodiment 1 content also should
As the content of the present embodiment.As described in Example 1, the laser seeker is installed on aircraft, and laser seeker includes
Four-quadrant PIN laser detectors and APD laser detectors in same frame, the four-quadrant PIN laser acquisitions
Device and APD laser detectors are connected to each independent transmitted light reception system, transmitted light reception system with
One guide controller connection, the front end that the APD laser detectors are arranged on four-quadrant PIN laser detectors is used to catch remote
Distance objective, the four-quadrant PIN laser detectors are used to closely lock caught target;The target following guiding side
Method is:The four-quadrant PIN laser detectors and APD laser detectors receive the tracking target instruction target word for determining simultaneously;First by
APD laser detector searching target reflected light signals, the target reflecting light signal that APD laser detectors will be searched delivers to flight
Device guide controller, close to target, the distance that aircraft is tracked close to target causes four-quadrant PIN laser to the tracking of vectored flight device
Detector have received target reflecting light signal, then PIN laser detectors are locked to the coordinate information that guide controller sends target
Fixed caught target.
In embodiment:The APD laser detectors front end is provided with an optically filtering by single peak value wavelength
Radome fairing, radome fairing is used for the optically filtering of the APD point sources laser detector and four-quadrant PIN laser detectors, institute simultaneously
Single peak value wavelength is stated for 1.06um.
Claims (6)
1. a kind of laser seeker, is installed on aircraft, for seizure and lock onto target, including four-quadrant PIN laser acquisitions
Device and APD laser detectors, it is characterised in that the four-quadrant PIN laser detectors and APD laser detectors are arranged on same
In individual frame, the front end that APD laser detectors are arranged on four-quadrant PIN laser detectors is used to catch distant object, described
Four-quadrant PIN laser detectors are used to closely lock caught target;
The four-quadrant PIN laser detectors and APD laser detectors are connected to each independent transmitted light and receive
System, transmitted light reception system is connected with a guide controller;The frame installation settings has inner concave arc surface
Principal reflection mirror, principal reflection mirror center is provided with open-work, and open-work is connected with the cavity set in frame, the four-quadrant
PIN laser detectors are arranged in cavity, and brace rod is extended with to principal reflection mirror center front along the frame on principal reflection mirror periphery,
The top of brace rod is provided with bearing, and just to principal reflection mirror center open-work, APD laser detectors are mounted on bearing to bearing
On;The APD laser detectors back rests are provided with primary event mirror towards open-work face, and the principal reflection mirror is received and passes through light
The optical signal of filter rectification cover is learned, and reflects it to primary event mirror, the optical signal that primary event mirror will be received is by described
Open-work is reflexed on the light sensor photosurface of the four-quadrant PIN laser detectors, in the APD laser detectors front end
Installation settings has transmission-type lens group;
The transmission-type lens group is constituted by being set before and after two panels lens, two panels lens will transmit through optically filtering radome fairing by with
The laser beam of track target is refracted on the light sensor photosurface of APD laser detectors;The brace rod is three along main anti-
That penetrates that mirror peripheral frame is equidistantly positioned stretches out the triangular support muscle to be formed to principal reflection mirror center front.
2. laser seeker according to claim 1, it is characterised in that be provided with the APD laser detectors front end
One optically filtering radome fairing by single peak value wavelength, radome fairing is used for the APD laser detectors and four-quadrant simultaneously
The optically filtering of PIN laser detectors.
3. laser seeker according to claim 1, it is characterised in that the APD laser detectors are APD point source lasers
Detector.
4. laser seeker according to claim 2, it is characterised in that the single peak value wavelength is 1.06um.
5. a kind of target following guidance method based on laser seeker, the laser seeker is installed on aircraft, laser
Target seeker includes the four-quadrant PIN laser detectors and APD laser detectors in same frame, the four-quadrant
PIN laser detectors and APD laser detectors are connected to each independent transmitted light reception system, transmitted light
Reception system is connected with a guide controller, and the APD laser detectors are arranged on the front end of four-quadrant PIN laser detectors
For catching distant object, the four-quadrant PIN laser detectors are used to closely lock caught target;The target
Track homing method is:The four-quadrant PIN laser detectors and APD laser detectors receive the tracking target for determining and refer to simultaneously
Order, it is characterised in that first by APD laser detector searching target reflected light signals, the mesh that APD laser detectors will be searched
Mark reflected light signal delivers to aircraft guide controller, and the tracking of vectored flight device is tracked close to target close to target, aircraft
Distance causes that four-quadrant PIN laser detectors have received target reflecting light signal, then PIN laser detectors are to guide controller
The coordinate information for sending target locks caught target.
6. method according to claim 5, it is characterised in that the APD laser detectors front end is provided with and leads to
The optically filtering radome fairing of single peak value wavelength is crossed, radome fairing is used for the APD point sources laser detector and four-quadrant PIN simultaneously
The optically filtering of laser detector.
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CN201610286240.1A CN105783593B (en) | 2016-05-04 | 2016-05-04 | A kind of laser seeker and its guidance method |
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CN108225122A (en) * | 2017-12-21 | 2018-06-29 | 彩虹无人机科技有限公司 | A kind of method for inhibiting back scattering with thresholding for unmanned plane laser-guided bomb |
CN112445230B (en) * | 2019-08-27 | 2021-12-24 | 北京理工大学 | High-dynamic aircraft multi-mode guidance system and guidance method under large-span complex environment |
CN111521075A (en) * | 2020-03-20 | 2020-08-11 | 北京国泰蓝盾科技有限公司 | High-precision remote-measuring-range laser spot tracker |
CN112556496B (en) * | 2020-12-18 | 2022-08-19 | 湖南华南光电(集团)有限责任公司 | Full strapdown optical seeker structure |
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US3971939A (en) * | 1975-08-19 | 1976-07-27 | The United States Of America As Represented By The Secretary Of The Navy | Unitary lasser/IR seeker |
CN201699014U (en) * | 2010-06-11 | 2011-01-05 | 西安电子科技大学 | Photoelectric detecting component for wireless laser communication |
CN102494564A (en) * | 2011-12-09 | 2012-06-13 | 南昌航空大学 | Method for designing miniature forward tracking and intercepting tail seeker head |
CN102680980A (en) * | 2012-04-26 | 2012-09-19 | 北京航空航天大学 | Pulse laser distance measuring method |
CN103412313A (en) * | 2013-07-30 | 2013-11-27 | 桂林理工大学 | Small low-altitude light area array laser radar measuring system |
CN104332701A (en) * | 2014-08-15 | 2015-02-04 | 中国空空导弹研究院 | Terahertz/laser lamination detector |
EP2957854A1 (en) * | 2014-06-17 | 2015-12-23 | MBDA Italia | Dual mode seeker |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN205580302U (en) * | 2016-05-04 | 2016-09-14 | 北京川瀚科技股份有限公司 | Laser guidance head |
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2016
- 2016-05-04 CN CN201610286240.1A patent/CN105783593B/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3971939A (en) * | 1975-08-19 | 1976-07-27 | The United States Of America As Represented By The Secretary Of The Navy | Unitary lasser/IR seeker |
CN201699014U (en) * | 2010-06-11 | 2011-01-05 | 西安电子科技大学 | Photoelectric detecting component for wireless laser communication |
CN102494564A (en) * | 2011-12-09 | 2012-06-13 | 南昌航空大学 | Method for designing miniature forward tracking and intercepting tail seeker head |
CN102680980A (en) * | 2012-04-26 | 2012-09-19 | 北京航空航天大学 | Pulse laser distance measuring method |
CN103412313A (en) * | 2013-07-30 | 2013-11-27 | 桂林理工大学 | Small low-altitude light area array laser radar measuring system |
EP2957854A1 (en) * | 2014-06-17 | 2015-12-23 | MBDA Italia | Dual mode seeker |
CN104332701A (en) * | 2014-08-15 | 2015-02-04 | 中国空空导弹研究院 | Terahertz/laser lamination detector |
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