CN106742001A - A kind of airborne alarm control lamp box and the light alarm method with it - Google Patents
A kind of airborne alarm control lamp box and the light alarm method with it Download PDFInfo
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- CN106742001A CN106742001A CN201611082436.5A CN201611082436A CN106742001A CN 106742001 A CN106742001 A CN 106742001A CN 201611082436 A CN201611082436 A CN 201611082436A CN 106742001 A CN106742001 A CN 106742001A
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- 238000010586 diagram Methods 0.000 description 6
- 238000004132 cross linking Methods 0.000 description 2
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- 238000012423 maintenance Methods 0.000 description 2
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- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
- B64D47/02—Arrangements or adaptations of signal or lighting devices
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention provides one kind airborne alarm control lamp box and light alarm method, including align control or the negative discrete alarm signal of control is filtered and stabilization treatment；Judge whether the discrete signal after being processed through the pretreatment module meets alarm demand；Input interface according to discrete signal judge it belonging to fault message, the discrete signal is exported into corresponding with fault message indicator lamp control unit into warning light display unit, with control indicate lamp on/off.Present invention uses the control unit centered on digital signal processor and PLD, conventional warning light box and alarm computer integrated are integrated, aircraft alarm equipment is more minimized, integrated.
Description
Technical field
The invention belongs to aircraft electric design field, and in particular to a kind of airborne alarm control lamp box and the light with it
Alarm method.
Background technology
Light warning technology is to make to send warning information when aircraft is in the hole, reminds pilot to take necessary place
Measure is put, is that present generation aircraft is the guarantee prerequisite function of flight safety, be also the important guarantor for giving full play to its fighting efficiency
Card.The conventional airplane design of analysis, a kind of is that light alarm form is that warning information discrete type is distributed in instrument board, console
Certain region, does not have integrated, the response time for increasing the burden of pilot's observation and taking measures.A kind of light alerts form
Though be warning information integrative display in warning light box, warning light box is with single signal display function, it is impossible to right
External signal is judged and is processed, it is impossible to which exact failure is positioned, but due to each warning system internal sensor on machine and
The crosslinking of air environment is complicated, easily goes here and there electric current each other, causes warning light empty bright or by mistake bright, electromechanical or comprehensive aobvious mistake is bright
The problems such as, cause to increase the probability of operation erroneous judgement.
The content of the invention
In order to solve, the above is not enough, and the pilot light warning technology of intelligence is indispensable.The technology passes through software side
Formula, increased signal logic arbitration functions, external signal lamp control function and BIT self-checking functions.Breach original warning light box
The simple function of lighting signal lamp, conventional warning light box and alarm computer integrated are integrated, and have been complied with aircraft alarm and have been set
Standby miniaturization, integrated trend, with stable performance, reliability is high, maintainability is good the characteristics of.Alarm by mistake can effectively be solved
Rate, makes pilot more accurately understand and interpretation warning information.
Present invention firstly provides the airborne alarm control lamp box of one kind, including：
Pretreatment module, is filtered and stabilization treatment for aligning control or the negative discrete alarm signal of control；
Discrete interface comparison circuit, for judging whether the discrete signal after being processed through the pretreatment module meets alarm
Demand；
Control process unit, the input interface according to discrete signal judge it belonging to fault message, by the discrete letter
Number output to indicator lamp control unit corresponding with the fault message in warning light display unit and warning light display unit,
The indicator lamp control unit is to control accordingly to indicate lamp on/off, and the different airborne equipments are defeated by different discrete signals
The incoming interface connection airborne alarm control lamp box；
Warning light display unit, for showing corresponding warning information；
Power-supply unit, the work needed for for being provided for the control process unit and the warning light display unit
Voltage.
Preferably, the control process unit further includes discrete interface device, for expanding control process unit
Interface quantity, and latch discrete signal.
In such scheme preferably, the control process unit is by address bus and data/address bus and discrete interface device
The programming device CPLD connections of part.
In such scheme preferably, the discrete interface comparison circuit includes amplitude decision circuitry, the satisfaction alarm
Demand includes judging that the earth signal amplitude of airborne equipment is less than 5V when the amplitude decision circuitry.
In such scheme preferably, the control process unit also includes self-detection module, will be after darlington array
Signal input feedback sense circuit detected, and testing result is re-entered into discrete signal interface device, form circulation.
In such scheme preferably, light alarm display circuit further includes day and night brightness transition system, itself and confession
After electric circuit in parallel, reset signal is exported by display and reset control module, meanwhile, the display and reseting module are received and accused
Alert signal.
Another aspect of the present invention provides a kind of light alarm method, including：
Continue to send pulse signal to DSP, when DSP receives the signal, it is believed that software is normal, otherwise software restarting；
Collection discrete signal；
The discrete signal of the collection is filtered and stabilization treatment；
Judge whether the discrete signal after being processed through the pretreatment module meets alarm demand, if meeting alarm demand,
Judge the corresponding fault message of input interface of discrete signal, and by the discrete signal export into warning light display unit with
The corresponding indicator lamp control unit of the fault message, lamp on/off is indicated by indicator lamp control unit control is corresponding, if
Alarm demand is unsatisfactory for, collection discrete signal step is back to；
The warning light display unit that the fault message of the indicator lamp control unit is sent, and shown.
The pilot light warning technology of intelligence breaches the simple function of lighting signal lamp of original warning light box, will be conventional
Warning light box and alarm computer integrated are integrated, and by software mode, have used and have been patrolled with programmable with digital signal processor
Collect the control unit centered on device.Digital signal processor is used to carry out logical operation to alarm signal on machine.It is programmable to patrol
Collecting device is used to extend the bus of control unit, increases the way of alarm signal, compensate for conventional alarm lamp box testability aspect
Deficiency, be the application technology continued to develop with airplane design technology and electronic technology development.This technology is complied with
The miniaturization of aircraft alarm equipment, integrated trend, apply also in the design of other helicopter light warning systems.
Brief description of the drawings
Fig. 1 be the present invention it is airborne alarm control lamp box a preferred embodiment with airborne equipment be crosslinked schematic diagram.
Fig. 2 is the discrete interface device and relational processor schematic diagram of embodiment illustrated in fig. 1.
Fig. 3 is the processor and peripheral hardware block diagram of embodiment illustrated in fig. 1.
Fig. 4 shows for the PLD of embodiment illustrated in fig. 1 for discrete signal collection and Autonomous test logic control
It is intended to.
Fig. 5 is the light alarm display circuit schematic diagram of embodiment illustrated in fig. 1.
Specific embodiment
To make the purpose, technical scheme and advantage of present invention implementation clearer, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from start to finish or class
As label represent same or similar element or the element with same or like function.Described embodiment is the present invention
A part of embodiment, rather than whole embodiments.Embodiment below with reference to Description of Drawings is exemplary, it is intended to used
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.Under
Face is described in detail with reference to accompanying drawing to embodiments of the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward " are based on accompanying drawing institute
The orientation or position relationship for showing, are for only for ease of the description present invention and simplify description, rather than the dress for indicating or implying meaning
Put or element with specific orientation, with specific azimuth configuration and operation, therefore it is not intended that must be protected to the present invention
The limitation of scope.
The present invention is described in further details below by embodiment.
As shown in figure 1, the part that the airborne alarm control lamp box of the present invention is alerted as the pilot light of intelligence, plays control
The effect of indicator lamp processed, specifically, the pilot light alarm of intelligence is main by emergent alarm component (i.e. major alarm lamp, main attention
Lamp), alarm control lamp box (warning light box and alarm Automated library system), warning light box, the group such as each ALM signal transducer
Into.
Alarm control lamp box is the core component of intelligent lighting warning technology.Itself and major alarm lamp, main attention lamp, warning light
The all crosslinking relation of box.
Alarm control lamp box is by gathering the sons such as engine on aircraft, power supply, fire extinguishing, fuel oil, hydraulic pressure, automatic flight control
After the drive signal control process on 28V/ that ALM sensor is sent ground or ground/open (), show shadow less than 3.5V ground effectively
Ring aircraft safety, need the red warning information of the alarm level that pilot takes immediate steps.And fault message can be passed through bus
The form of data signal will need the parameter of record to be sent to flight data recor der and recorded, for the judgement of fault message
Positioning.Such as there is alarm level alarm signal, alarm control lamp box can be exported in the form of a pulse gives major alarm lamp, drives instrument board
Major alarm lamp in upper major alarm lamp and integrated display system is ignited and flashed, while the special alarm of corresponding alarm level on lamp box
Lamp is ignited.When pilot presses major alarm lamp, major alarm lamp extinguishes, and sends reset signal to machine by alerting control lamp box
On integrated display system, make its " major alarm lamp " for showing while extinguishing, and the special warning light of alarm level is until failure vanishes
Shi Caihui extinguishes.Such as occur noting level alarm signal, alarm control lamp box can in the form of a pulse be exported to main attention lamp, driven
The main main attention lamp noted in lamp and integrated display system is ignited and flashed on instrument board, while corresponding in integrated display system
Special attention level warning light is ignited.When pilot presses main attention lamp, main attention lamp extinguishes, and reset signal is controlled by alerting
Lamp box processed sends the integrated display system on machine to, makes its " main attention lamp " for showing while extinguishing, and note the special alarm of level
Lamp can just extinguish when failure vanishes.Warning light box is gathered and shows the green alarm letter of visual plant working condition on machine
Breath.
The brightness of the signal light-emitting block in signal light-emitting block and warning light box in alarm control lamp box is by flowing through light-emitting block
Electric current determine, control to electric current is realized by using light-emitting block regulating circuit, so that luminous Block Brightness is met using will
Ask.
Airborne alarm control lamp box, mainly includes：
Pretreatment module, is filtered and stabilization treatment for aligning control or the negative discrete alarm signal of control；
Discrete interface comparison circuit, for judging whether the discrete signal after being processed through the pretreatment module meets alarm
Demand；
Control process unit, the input interface according to discrete signal judge it belonging to fault message, by the discrete letter
Number output is to indicator lamp corresponding with the fault message in warning light display unit；
Warning light display unit, for showing corresponding warning information；
Power-supply unit, the work needed for for being provided for the control process unit and the warning light display unit
Voltage.
In the present embodiment, the control process unit further includes discrete interface device, for expanding control process list
The interface quantity of unit, and latch discrete signal.
It is understood that positive control or the negative discrete alarm signal of control after filtering, after stabilization treatment, by corresponding discrete
Be latched in data in the CPLD of discrete interface device by signal interface circuit, as shown in Fig. 2 digital signal processor DSP passes through
Address bus and data/address bus read the discrete warning information that is latched in CPLD and warning information are analyzed, are located in real time
Reason, and result is latched in the CPLD of discrete interface device, show single by discrete output drive circuit and warning light
Unit is crosslinked.Operating voltage of the power-supply unit for needed for control process unit and warning light display unit are provided.
Processor and peripheral hardware block diagram are as shown in Figure 3.The road maintenance bus interface of processor periphery design 1 and multigroup I/O
Discrete magnitude is used as control and maintenance interface, and signal enters the one of comparator after isolation, transient state suppression, partial pressure and filtering
End.Datum is provided by pedestal generator；The control process unit also includes self-detection module, as shown in figure 4, can
Programmed logic device CPLD is used for discrete signal and gathers and Autonomous test logic control.Analog acquisition is used to monitor discrete magnitude input
Whether the reference voltage of interface circuit is normal, will be detected through the signal input feedback sense circuit after darlington array, and
Testing result is re-entered into discrete signal interface device, circulation is formed.The warning information exported by processor, through discrete signal
After interface device is latched, drive array to provide the drive signal of warning light by Darlington, ignite corresponding warning light.Drive array
Self-checking function can be realized, the common port of array will be driven to cause feedback sense circuit, detection information is returned into discrete connecing
Mouthpart part, then read by processor, to reach the purpose of Autonomous test.
In the present embodiment, light alarm display circuit further includes day and night brightness transition system, and it is with power supply circuit simultaneously
After connection, reset signal is exported by display and reset control module, meanwhile, the display and reseting module receive alarm signal,
Judged according to alarm signal or whether prompting needs to carry out reset operation.
Light alarm display circuit mainly realize alarm signal show in real time, day night brightness transition and alarm reset function.
Schematic block circuit diagram is as shown in Figure 5.Wherein day and night brightness transition circuit is mainly made up of flip-flop circuit and regulating circuit.When tactile
Hair device circuit can occur low and high level upset when receiving the signal that day and night change-over switch sends, so as to control the pressure regulation electricity of rear class
Road produces day, two kinds of voltages of night, drives light-emitting block to produce day, two kinds of brightness of night.When power supply disconnects to be re-powered, trigger electricity
Road restPoses, and light-emitting block is worked in maximum voltage in the daytime.
Another aspect of the present invention provides a kind of light alarm method, including：
Continue to send pulse signal to DSP, when DSP receives the signal, it is believed that software is normal, otherwise software restarting；
Collection discrete signal；
The discrete signal of the collection is filtered and stabilization treatment；
Judge whether the discrete signal after being processed through the pretreatment module meets alarm demand, if meeting alarm demand,
Judge the corresponding fault message of input interface of discrete signal, and by the discrete signal export into warning light display unit with
The corresponding indicator lamp control unit of the fault message, lamp on/off is indicated by indicator lamp control unit control is corresponding, if
Alarm demand is unsatisfactory for, collection discrete signal step is back to；
The warning light display unit that the fault message of the indicator lamp control unit is sent, and shown.
Invention key point
1st, logical process and control function
Compared to conventional lamp box, the alarm control lamp box of alarm computer function is integrated with except common announcement can be completed
Outside the display function of warning lamp box, logical operation can also be carried out, so that intelligent computing and outside manufacture control function are realized, specifically
Show as realizing the alarm logic control function of complexity, the relation of conventional alarm signal and warning light be it is one-to-one,
I.e. signal lights a signal lamp all the way, and alerting control lamp box can carry out the logic judgment of multiple signals, realize that multichannel is believed
It is number conditional to light one or more signal lamps, moreover it is possible to outside " major alarm " lamp is controlled by alarm signal and reset signal
The flicker and extinguishing of " main attention " lamp.
2nd, anti-false-alarm design
According to the design experiences of warning light box, signal lamp can produce flicker or false alarm because of the fluctuation of signal end level
Problem.Conventional warning light box suppresses the fluctuation of signal level by the method for electric capacity hardware filtering, and alerts control lamp box and exist
On the basis of hardware filtering, increased hardware signal amplitude and judge and software signal time filtering.
Whether the operation principle that hardware signal amplitude judges is to judge the amplitude of earth signal (0 using amplitude decision circuitry
~5) between V.When signal amplitude is less than 5V, it is believed that signal effectively, is alerted；When signal amplitude is higher than 5V, it is believed that letter
It is number invalid, not alert.Amplitude decision circuitry itself has anti-due to voltage spikes and anti-voltage surge function, can avoid abnormal letter
Number voltage damages product.
The operation principle of software signal time filtering is by software inhouse timing, it is desirable to which all alarm signals are required to protect
Hold 60ms and be just judged as useful signal, otherwise not alert, thus for signal filtering is provided with the dual guarantor of software and hardware
Barrier, improves the reliability of product, reduces false alarm rate.
3rd, BIT (self-inspection) and failure code are downloaded
In terms of fault location, conventional lamp box makes the signal lamp whole point on lamp box by the review button that pressing is carried
It is bright come judge product whether normal work, the trouble shooting method is fairly simple.Alarm controls lamp box due to increased processor,
Therefore built-in two kinds of Autonomous test patterns of electric BIT and cycle BIT, can in terms of following four automatic detection product work shape
State：
1) working condition of master control board member is monitored：
A calculating formula with addition subtraction multiplication and division computing is calculated, the work of CPU is judged by the correctness of calculating formula
State.
2) working condition of input power board member signal acquisition circuit is monitored：
Detection warning light SR is working properly.
3) whether monitoring governor circuit powers normal：
Whether detection warning light box supply voltage (5V/3.3V voltages, 15V/ day and night supply voltage) is within normal range (NR).
4) working condition of SCI modules is monitored：
Sent under inner ring self-testing mode, receive data, detect the bus communication state of road SCI modules.
When product breaks down, alarm control lamp box can be downloaded to corresponding failure code by the bus for carrying
Special test equipment, functional circuit rank is directly targeted to by failure.
The pilot light warning technology of intelligence breaches the simple function of lighting signal lamp of original warning light box, will be conventional
Warning light box and alarm computer integrated are integrated, and by software mode, have used and have been patrolled with programmable with digital signal processor
Collect the control unit centered on device.Digital signal processor is used to carry out logical operation to alarm signal on machine.It is programmable to patrol
Collecting device is used to extend the bus of control unit, increases the way of alarm signal, compensate for conventional alarm lamp box testability aspect
Deficiency, be the application technology continued to develop with airplane design technology and electronic technology development.This technology is complied with
The miniaturization of aircraft alarm equipment, integrated trend, apply also in the design of other helicopter light warning systems.
It is last it is to be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent
Pipe has been described in detail to the present invention with reference to the foregoing embodiments, it will be understood by those within the art that：It is still
Technical scheme described in foregoing embodiments can be modified, or which part technical characteristic is equally replaced
Change；And these modifications or replacement, do not make the essence of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution
God and scope.
Claims (7)
1. a kind of airborne alarm controls lamp box, it is characterised in that including：
Pretreatment module, is filtered and stabilization treatment for aligning control or the negative discrete alarm signal of control；
Discrete interface comparison circuit, for judging whether the discrete signal after being processed through the pretreatment module meets alarm need
Ask；
Control process unit, the input interface according to discrete signal judge it belonging to fault message, the discrete signal is defeated
Go out corresponding with fault message indicator lamp control unit into warning light display unit and warning light display unit, it is described
To control accordingly to indicate lamp on/off, the different airborne equipments are connect indicator lamp control unit by the input of different discrete signals
The mouth connection airborne alarm control lamp box；
Warning light display unit, for showing corresponding warning information；
Power-supply unit, the work electricity needed for for being provided for the control process unit and the warning light display unit
Pressure.
2. airborne alarm as claimed in claim 1 controls lamp box, it is characterised in that the control process unit is further included
Discrete interface device, for expanding the interface quantity of control process unit, and latches discrete signal.
3. airborne alarm as claimed in claim 2 controls lamp box, it is characterised in that the control process unit is total by address
Line and data/address bus are connected with the programming device CPLD of discrete interface device.
4. airborne alarm as claimed in claim 1 controls lamp box, it is characterised in that the discrete interface comparison circuit includes width
Value decision circuitry, the satisfaction alarm demand includes judging that the earth signal amplitude of airborne equipment is less than when the amplitude decision circuitry
5V。
5. airborne alarm as claimed in claim 1 controls lamp box, it is characterised in that the control process unit also includes self-inspection
Survey module, will be detected through the signal input feedback sense circuit after darlington array, and by testing result re-enter from
Scattered signal interface device, forms circulation.
6. airborne alarm as claimed in claim 1 controls lamp box, it is characterised in that light alarm display circuit is further included
Day and night brightness transition system, after it is in parallel with power supply circuit, reset signal is exported by display and reset control module, meanwhile,
The display and reseting module receive alarm signal.
7. a kind of light alarm method, it is characterised in that including：
Continue to send pulse signal to DSP, when DSP receives the signal, it is believed that software is normal, otherwise software restarting；
Collection discrete signal；
The discrete signal of the collection is filtered and stabilization treatment；
Judge whether the discrete signal after being processed through the pretreatment module meets alarm demand, if meeting alarm demand, judge
The corresponding fault message of input interface of discrete signal, and by the discrete signal export into warning light display unit with it is described
The corresponding indicator lamp control unit of fault message, indicates lamp on/off, if discontented by indicator lamp control unit control is corresponding
Foot alarm demand, is back to collection discrete signal step；
The warning light display unit that the fault message of the indicator lamp control unit is sent, and shown.
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| CN201611082436.5A CN106742001A (en) | 2016-11-30 | 2016-11-30 | A kind of airborne alarm control lamp box and the light alarm method with it |
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|---|---|---|---|
| CN201611082436.5A CN106742001A (en) | 2016-11-30 | 2016-11-30 | A kind of airborne alarm control lamp box and the light alarm method with it |
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| CN109484659A (en) * | 2018-11-15 | 2019-03-19 | 中国直升机设计研究所 | A kind of double light alarm light panels |
| CN109592058A (en) * | 2018-11-15 | 2019-04-09 | 中国直升机设计研究所 | A kind of double-colored alarm lamp group |
| CN111288364A (en) * | 2018-12-07 | 2020-06-16 | 上海航空电器有限公司 | Light guide plate structure of alarm signal lamp box |
| CN112991650A (en) * | 2019-12-16 | 2021-06-18 | 上海航空电器有限公司 | Integrated design system of equipment belonging to light alarm system |
| CN113806218A (en) * | 2021-08-18 | 2021-12-17 | 西安航空制动科技有限公司 | Fault comprehensive logic judgment optimization method |
| CN114180081A (en) * | 2021-11-19 | 2022-03-15 | 中国直升机设计研究所 | Helicopter light-sensitive fire alarm detection and logic judgment method |
| CN114202897A (en) * | 2021-11-19 | 2022-03-18 | 中国直升机设计研究所 | Helicopter warning confirmation system |
| CN117171833A (en) * | 2023-11-03 | 2023-12-05 | 商飞软件有限公司 | Signal logic diagram design system |
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| CN109484659A (en) * | 2018-11-15 | 2019-03-19 | 中国直升机设计研究所 | A kind of double light alarm light panels |
| CN109592058A (en) * | 2018-11-15 | 2019-04-09 | 中国直升机设计研究所 | A kind of double-colored alarm lamp group |
| CN111288364A (en) * | 2018-12-07 | 2020-06-16 | 上海航空电器有限公司 | Light guide plate structure of alarm signal lamp box |
| CN112991650A (en) * | 2019-12-16 | 2021-06-18 | 上海航空电器有限公司 | Integrated design system of equipment belonging to light alarm system |
| CN112991650B (en) * | 2019-12-16 | 2024-03-08 | 上海航空电器有限公司 | Integrated design system of equipment to which light alarm system belongs |
| CN113806218A (en) * | 2021-08-18 | 2021-12-17 | 西安航空制动科技有限公司 | Fault comprehensive logic judgment optimization method |
| CN113806218B (en) * | 2021-08-18 | 2023-06-09 | 西安航空制动科技有限公司 | Fault comprehensive logic judgment optimization method |
| CN114180081A (en) * | 2021-11-19 | 2022-03-15 | 中国直升机设计研究所 | Helicopter light-sensitive fire alarm detection and logic judgment method |
| CN114202897A (en) * | 2021-11-19 | 2022-03-18 | 中国直升机设计研究所 | Helicopter warning confirmation system |
| CN117171833A (en) * | 2023-11-03 | 2023-12-05 | 商飞软件有限公司 | Signal logic diagram design system |
| CN117171833B (en) * | 2023-11-03 | 2024-02-02 | 商飞软件有限公司 | Signal logic diagram design system |
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Application publication date: 20170531 |