CN106470320B - Airborne photoelectric night vision system multisensor switching system - Google Patents
Airborne photoelectric night vision system multisensor switching system Download PDFInfo
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- CN106470320B CN106470320B CN201610847109.8A CN201610847109A CN106470320B CN 106470320 B CN106470320 B CN 106470320B CN 201610847109 A CN201610847109 A CN 201610847109A CN 106470320 B CN106470320 B CN 106470320B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Closed-Circuit Television Systems (AREA)
- Radiation Pyrometers (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
Abstract
The present invention proposes a kind of airborne photoelectric night vision system multisensor switching system, belongs to airborne photoelectric manipulation technical field.The present invention is made of avionics 1553B communication module, system logic scheduler module, image co-registration plate module, thermal infrared imager module, low-light level television module and self-test information logging modle.Complete sensor manipulation command, manipulation execution state and fault status information between modules mutually under pass, handle and report, realize multisensor mutually manually or automatically switch manipulation function.The present invention is suitable for helicopter aerial missions such as performance objective observation, aircraft navigation between round the clock.Compared with active service Helicopter Night Vision System, pilot can select different video images according to flying condition between round the clock, and sensor can manipulate malfunction according to sensor and automatically switch video image, provide stabilization clearly video image for pilot.
Description
Technical field
The invention belongs to airborne photoelectrics to manipulate technical field, specially a kind of airborne photoelectric night vision system multisensor switching
System.
Background technique
Between round the clock in the battlefield surroundings such as low visibility, obstruction is more, topography and geomorphology is complicated, camouflage fascination target such as
What faster and more accurately detects target, has both required night vision system that can detect the relatively apparent target scene of difference variation, has also wanted
Ask night vision system that can detect the target scene for reflecting faint noctilucence.With low-light and infrared imagery technique comprehensive development, image
Fusion becomes effective and feasible night vision imaging technique, improves image quality, and prominent target scene can be improved armed helicopter
Observing capacity and navigation performance between round the clock.
Most of China's active service armed helicopter uses single channel infrared thermal imagery night vision system, by being mounted on Electric-Optic Turret
The big visual field FLIR thermal imaging system of interior one actively irradiates target scene and realizes observation using the infrared light of reflection infrared radiation source
Target scene has many advantages, such as that video image stabilization is clear, affected by environment small and round-the-clock monitoring in 24 hours.But low-light is close
Range Imaging quality is better than infrared thermal imagery, and thermal infrared imager is more sensitive to infrared radiation source difference variation, and the infrared heat of single channel
When can not export normal video image as catastrophe failure occurs, entire night vision system will lose daytime night-time observation and navigation energy
Power.
China is based on the not disclosed report of airborne photoelectric night vision system multisensor switching system detailed technology content at present.
Summary of the invention
In order to solve the problems existing in the prior art, the invention proposes a kind of switchings of airborne photoelectric night vision system multisensor
System.
A kind of airborne photoelectric night vision system multisensor switching system, it is characterised in that: mould is communicated by avionics 1553B
Block, system logic scheduler module, self-test information logging modle, thermal infrared imager module, low-light level television module, image co-registration template die
Block composition；
Avionics 1553B communication module reads the sensor that pilot manipulation system passes down by MIL-STD-1553B bus
Manipulation command, and by being transmitted to system logic scheduler module under the queue of system logic command messages；Avionics 1553B communication module is logical
It crosses avionics status message queue and receives the sensor manipulation status information that system logic scheduler module reports, and MIL-STD- is written
1553B bus reports pilot manipulation system；
After system logic scheduler module passes through system logic command messages queue receiving sensor manipulation command, according to sensing
Device ID identification number is respectively to passing manipulation command under image co-registration plate module, thermal infrared imager module and low-light level television module；And lead to
It crosses system logic status message queue and receives the manipulation status information that thermal infrared imager module and image co-registration plate module report；Institute
Stating manipulation status information includes manipulating normal and manipulation failure two states, if manipulation is normally directly by avionics status message
Queue reports avionics 1553B communication module, otherwise parsing manipulation malfunction, if detecting freeze frame failure or without thermal imagery
The infrared thermal imagery failure of video failure, automatic switching sensor is to low-light level television, if detecting the micro- of no low-light video failure
Light tv fault, automatic switching sensor pass through in the queue of avionics status message to thermal infrared imager, and by manipulation fault message
Avionics 1553B communication module is reported, while uploading self-test information logging modle；
Image co-registration plate module receives the image that system logic scheduler module passes down by fusion plate command messages queue and melts
Manipulation command is closed, is the identifiable manipulation command of image co-registration plate according to image co-registration plate communication interface protocol analysis, passes through RS-
422 communication interfaces issue image co-registration plate, and image co-registration plate responds manipulation command, and is melted by RS-422 communication interface to image
Plywood module feedback manipulates status information, and image co-registration plate module updates manipulation status information and passes through system logic status message
Queue reporting system logic scheduler module；
Thermal infrared imager module is passed down red by thermal infrared imager command messages queue reception system logic scheduler module
Outer thermal imaging system manipulation command is the identifiable manipulation command of thermal infrared imager according to thermal infrared imager communication interface protocol analysis,
Thermal infrared imager is issued by RS-422 communication interface, thermal infrared imager responds manipulation command, and passes through RS-422 communication interface
State information is manipulated to thermal infrared imager module feedback, thermal infrared imager module updates manipulation status information and passes through system logic shape
State message queue reporting system logic scheduler module；
Low-light level television module is by calling function to receive the low-light level television power-on and power-off manipulation that system logic scheduler module passes down
Order, by I/O communication interface be written low-light level television, realization low-light level television is powered on, lower electric control；Pass through I/O communication interface
The strong light guard mode information of low-light level television is read, and reports self-test information logging modle；
Self-test information logging modle receives the manipulation fault status information of system logic scheduler module transmitting, records and updates
Fault list list sends display fault list order by pilot manipulation system for pilot and consults each sensor operation shape
State；The strong light guard mode of cycle detection low-light level television I/O communication interface, and reporting system logic scheduler module.
Further preferred embodiment, a kind of airborne photoelectric night vision system multisensor switching system, it is characterised in that:
Sensor manipulation command includes switching command, self-test order, low-light power-on and power-off order.
Further preferred embodiment, a kind of airborne photoelectric night vision system multisensor switching system, it is characterised in that:
It includes switching state information, fault list information, strong light guard mode information that sensor, which manipulates status information,.
Beneficial effect
Overall technology effect of the invention is embodied in the following aspects:
(1) it provides image/video and mutually switches manipulation function, pilot switches infrared heat according to flight environment of vehicle between round the clock
As image/video, Low Light Level Imaging video and image co-registration image/video, and sensor switching state is reported to pilot；
(2) image/video mutual handoff functionality automatically is realized, when thermal infrared imager failure is switched to low-light level television
Image/video, on the contrary it is switched to infrared thermal imagery image video when low-light level television breaks down, and report sensor event to pilot
Hinder information.
Detailed description of the invention
Fig. 1: sensor switching method commissure figure.
Fig. 2: sensor manual switching flow chart.
Fig. 3: low-light level television manipulates flow chart.
Fig. 4: thermal imagery troubleshooting process figure.
Fig. 5: sensor automatically switches flow chart.
Wherein 1 MIL-STD-1553B bus, 2 manipulation commands and manipulation status information, 3 RS-422 communication interfaces, 4
I/O communication interface, 5 Camera Link interfaces.
Specific embodiment
Description is of the invention combined with specific embodiments below:
As shown in Figure 1, the airborne photoelectric night vision system multisensor switching system in the embodiment of the present invention includes avionics
1553B communication module, system logic scheduler module, image co-registration plate module, thermal infrared imager module, low-light level television module and from
Examine information logging modle.
Avionics 1553B communication module reads sensor manipulation from pilot manipulation system by MIL-STD-1553B bus
Order is written sensor to pilot manipulation system by MIL-STD-1553B bus and manipulates status information.Avionics 1553B is logical
News module, to sensor manipulation command is passed under system logic scheduler module, passes through avionics shape by the queue of system logic command messages
State message queue receives the sensor manipulation status information that system logic scheduler module reports.
System logic scheduler module is by the queue of infrared thermal imagery command messages to passing infrared thermal imagery under thermal infrared imager module
Instrument manipulation command, thermal infrared imager module realizes that the operation to thermal infrared imager controls by RS-422 communication interface, and obtains
The manipulation status information of thermal infrared imager passes through system logic status message queue reporting system logic scheduler module.
System logic scheduler module is by the queue of image co-registration command messages to passing image co-registration under image co-registration plate module
Manipulation command, image co-registration plate module realizes that the operation to image co-registration plate controls by RS-422 communication interface, and obtains figure
As the manipulation status information of fusion plate, pass through system logic status message queue reporting system logic scheduler module.
System logic scheduler module is by calling function to passing low-light level television power-on and power-off order, low-light under low-light level television module
Television module is powered on by I/O communication interface notice low-light level television and lower electricity, obtains the strong light guard mode of low-light level television, and lead to
It crosses calling function and reports self-test information logging modle.
System logic scheduler module is realized by calling function to self-test manipulation command is passed under self-test information logging modle
Record and update fault list listing function, self-test information logging modle is by calling function to report to system logic scheduler module
Fault list information and strong light guard mode information.
Image co-registration plate passes through Camera Link interface 5 to pilot manipulation system output video image.
As shown in Fig. 2, system logic scheduler module cycle detection sensor switches manipulation command.When receiving low-light level television
When switching command, judge whether current sensor is low-light level television, does not handle low-light level television switching command if it is, otherwise sentences
Whether disconnected low-light level television powers on, if had already powered on, notice image co-registration plate module switching sensor is to low-light level television, if not
It powers on, then first notice system logic scheduler module powers on low-light level television, then image co-registration plate module is notified to switch sensor
To low-light level television.When receiving thermal infrared imager switching command, judge whether current sensor is thermal infrared imager, if then
Thermal infrared imager switching command is not handled, otherwise notifies image co-registration plate module that sensor is switched to thermal infrared imager.When connecing
When receiving image co-registration switching command, whether judgement is current in image co-registration state, does not handle image co-registration if it is
Otherwise switching command judges whether current sensor is low-light level television, is if it is switched to image co-registration state；Otherwise judge
Whether low-light level television powers on, and is if it is switched to image co-registration state, otherwise first notifies system logic scheduler module to low-light
TV powers on, and then switches to image co-registration state.
As shown in figure 3, low-light level television module cycle detection I/O communication interface digital signal level state.When detecting I/O
Communication interface be digital low signal indicate low-light level television be in strong light guard mode, when detect I/O communication interface be count
Word high level signal indicates that low-light level television is in the unprotected state of strong light, and strong light guard mode is reported by self-test information logging modle
System logic scheduler module.When detecting that low-light level television is in strong light guard mode, low-light level television output black vision signal, and
Strong light guard mode is reported into pilot manipulation system by system logic scheduler module and avionics 1553B communication module.Work as boat
When electric 1553B communication module receives the low-light level television power-on and power-off manipulation command that pilot manipulation system passes down, system logic scheduling
Module loads digital high signal and number to low-light level television I/O communication interface by calling function to manipulate low-light level television module
Low level signal.
As shown in figure 4, system logic scheduler module manipulates shape by thermal infrared imager module cycle detection thermal infrared imager
State information.If detecting manipulation failure, new failure is judged whether it is, do not handle then if not new failure, otherwise obtain
New fault code judges whether new fault code is freeze frame fault code, then straight if not freeze frame fault code
It connects and updates fault list list, otherwise need automatic switching sensor to low-light level television, because the influence of freeze frame failure is infrared
The output of thermal imagery image/video.Judge whether low-light level television powers on, image co-registration plate module switching sensor is if it is notified to arrive
Otherwise low-light level television notifies system logic scheduler module to power on to low-light level television, the switching of image co-registration plate module is then notified to pass
Sensor records thermal infrared imager failure and updates fault list list, and is real to pilot manipulation system to low-light level television
When report thermal infrared imager failure.Thermal infrared imager sensor image is kept if low-light level television failure, while being recorded infrared
Thermal imaging system failure and low-light level television failure simultaneously update fault list list, then believe to pilot manipulation system real-time report failure
Breath.
As shown in figure 5, system logic scheduler module passes through the sensing of image co-registration plate module cycle detection image co-registration plate
Device signal continues to monitor, if detected without micro- if detecting low-light level television sensor and thermal imaging system sensor normally
Photoelectricity view sensor signal then notifies image co-registration plate module switching sensor to thermal infrared imager, while recording low-light level television
Failure and fault list list is updated, and to pilot manipulation system real-time report low-light level television failure.If detected without red
Outer thermal imaging system sensor signal, then judge whether current low-light level television powers on, and notifies image co-registration plate to cut if having already powered on
Otherwise emat sensor notifies system logic scheduler module to power on to low-light level television to low-light level television, and notify image co-registration template die
Block switches sensor to low-light level television, while recording thermal infrared imager failure and updating fault list list, and grasping to pilot
Control system real-time report thermal infrared imager failure.If detecting that two-way sensor signal is failure, while recording infrared heat
As instrument failure and low-light level television failure and fault list list is updated, is then believed to pilot manipulation system real-time report failure
Breath, waits being further processed for pilot.
Claims (3)
1. a kind of airborne photoelectric night vision system multisensor switching system, it is characterised in that: by avionics 1553B communication module, be
System logic scheduler module, self-test information logging modle, thermal infrared imager module, low-light level television module, image co-registration plate module group
At；
Avionics 1553B communication module reads the sensor manipulation that pilot manipulation system passes down by MIL-STD-1553B bus
Order, and by being transmitted to system logic scheduler module under the queue of system logic command messages；Avionics 1553B communication module passes through boat
Electricity condition message queue receives the sensor manipulation status information that system logic scheduler module reports, and MIL-STD- is written
1553B bus reports pilot manipulation system；
After system logic scheduler module passes through system logic command messages queue receiving sensor manipulation command, according to sensor ID
Identification number is respectively to passing manipulation command under image co-registration plate module, thermal infrared imager module and low-light level television module；And passes through and be
System logic state message queue receives the manipulation status information that thermal infrared imager module and image co-registration plate module report；The behaviour
Controlling status information includes manipulating normal and manipulation failure two states, if manipulation is normally directly by the queue of avionics status message
Avionics 1553B communication module is reported, otherwise parsing manipulation malfunction, if detecting freeze frame failure or without thermal imagery video
The infrared thermal imagery failure of failure, automatic switching sensor is to low-light level television, if detecting the low-light electricity of no low-light video failure
Depending on failure, automatic switching sensor reports boat by avionics status message queue to thermal infrared imager, and by manipulation fault message
Electric 1553B communication module, while uploading self-test information logging modle；
Image co-registration plate module receives the image co-registration behaviour that system logic scheduler module passes down by fusion plate command messages queue
Control order, is the identifiable manipulation command of image co-registration plate according to image co-registration plate communication interface protocol analysis, passes through RS-422
Communication interface issues image co-registration plate, and image co-registration plate responds manipulation command, and passes through RS-422 communication interface to image co-registration
Plate module feedback manipulation status information, image co-registration plate module update manipulation status information and pass through system logic status message team
Column reporting system logic scheduler module；
Thermal infrared imager module receives the infrared heat that system logic scheduler module passes down by the queue of thermal infrared imager command messages
As instrument manipulation command, it is the identifiable manipulation command of thermal infrared imager according to thermal infrared imager communication interface protocol analysis, passes through
RS-422 communication interface issues thermal infrared imager, and thermal infrared imager responds manipulation command, and by RS-422 communication interface to red
Outer thermal imaging system module feedback manipulates state information, and thermal infrared imager module updates manipulation status information and disappeared by system logic state
Cease queue reporting system logic scheduler module；
Low-light level television module receives the low-light level television power-on and power-off manipulation command that system logic scheduler module passes down by calling function,
By I/O communication interface be written low-light level television, realization low-light level television is powered on, lower electric control；It is read by I/O communication interface micro-
Photoelectricity regards strong light guard mode information, and reports self-test information logging modle；
Self-test information logging modle receives the manipulation fault status information of system logic scheduler module transmitting, records and updates failure
Inventory list sends display fault list order by pilot manipulation system for pilot and consults each operating condition sensor；
The strong light guard mode of cycle detection low-light level television I/O communication interface, and reporting system logic scheduler module.
2. a kind of airborne photoelectric night vision system multisensor switching system according to claim 1, it is characterised in that: sensor
Manipulation command includes switching command, self-test order, low-light power-on and power-off order.
3. a kind of airborne photoelectric night vision system multisensor switching system according to claim 1, it is characterised in that: sensor
Manipulating status information includes switching state information, fault list information, strong light guard mode information.
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| CN201610847109.8A CN106470320B (en) | 2016-09-26 | 2016-09-26 | Airborne photoelectric night vision system multisensor switching system |
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| CN108829527B (en) * | 2018-06-08 | 2021-09-07 | 西安应用光学研究所 | Avionics control simulation device suitable for night vision system |
| CN111443250B (en) * | 2020-04-07 | 2022-05-27 | 西安应用光学研究所 | Real-time detection and management system for maintenance fault of night vision system |
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| CN103802727A (en) * | 2012-11-14 | 2014-05-21 | 上海市闵行区知识产权保护协会 | Low-visibility guiding system |
| CN203632765U (en) * | 2013-12-17 | 2014-06-04 | 天津鑫彤科技有限公司 | Multi-source image information acquisition and fusion system |
| CN104808682A (en) * | 2015-03-10 | 2015-07-29 | 成都市优艾维机器人科技有限公司 | Small rotor unmanned aerial vehicle autonomous obstacle avoidance flight control system and control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204795370U (en) * | 2014-04-18 | 2015-11-18 | 菲力尔系统公司 | Monitoring system and contain its vehicle |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802727A (en) * | 2012-11-14 | 2014-05-21 | 上海市闵行区知识产权保护协会 | Low-visibility guiding system |
| CN203632765U (en) * | 2013-12-17 | 2014-06-04 | 天津鑫彤科技有限公司 | Multi-source image information acquisition and fusion system |
| CN104808682A (en) * | 2015-03-10 | 2015-07-29 | 成都市优艾维机器人科技有限公司 | Small rotor unmanned aerial vehicle autonomous obstacle avoidance flight control system and control method |
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