CN106121829B - Monitor the fault-preventing device of engine ignitor working condition - Google Patents
Monitor the fault-preventing device of engine ignitor working condition Download PDFInfo
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- CN106121829B CN106121829B CN201610686311.7A CN201610686311A CN106121829B CN 106121829 B CN106121829 B CN 106121829B CN 201610686311 A CN201610686311 A CN 201610686311A CN 106121829 B CN106121829 B CN 106121829B
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- 238000012545 processing Methods 0.000 claims abstract description 99
- 238000005070 sampling Methods 0.000 claims abstract description 57
- 238000012544 monitoring process Methods 0.000 claims abstract description 12
- 238000004458 analytical method Methods 0.000 claims abstract description 10
- 239000003990 capacitor Substances 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 11
- 238000007493 shaping process Methods 0.000 claims description 10
- 238000005119 centrifugation Methods 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/26—Starting; Ignition
- F02C7/264—Ignition
- F02C7/266—Electric
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
A kind of a kind of fault-preventing device of monitoring engine ignitor working condition of disclosure of the invention, it is desirable to provide fault-preventing device that can effectively eliminate the interference of igniter operating circuit.The technical scheme is that：In data processing compares control circuit, sampling module signal processing module in sequential series and data processing and control module, data processing and control module electrically connects display module, and the primary electrical source of igniter is electrically connected by emergency protection module, sampling module carries out signal sampling from igniter Sampling Interface, compensation filter is made to sampled signal through signal processing module, current peak will be read and be sent into data processing and control module and sample frequency and/or current peak progress comparing, analysis and judgement, fault alarm signal instruction is sent to display module, emergency protection module is controlled to disconnect igniter primary source simultaneously, and enter fault locking state, starting switch fails.
Description
Technical field
The present invention relates to a kind of sampling of engine ignitor working condition and fault-preventing device, particularly for aviation
Working condition sampling and fault-preventing device of the airspace engine igniter in the original location or under experiment room environmental.
Background technology
Aero-engine is the heart of aircraft, and aviation ignition system is one of important component of aero-engine.Engine
The demarcation for causing ECU being become into multivariable, multiple constraint because multiple constraintss be present in actual moving process, being had not
With the complex engineering of optimization aim.Engine igniting system is that the one kind being made up of igniter, firing cable and sparking plug is used for
Direct current on aircraft or AC conversion are high-tension electricity by the incendiary source system of main chamber and after-burner, igniter
Afterwards, spark is released by firing cable and sparking plug and ensures the energy enough to spark, direct ignition engine burning Interior Space
The mixed gas of gas and fuel oil.Engine ignitor working condition samples and emergency protection is by capacitor charge and discharge
Circuit pulse electric current carries out signal sampling, measures igniter capacitor charge and discharge pulse frequency, current peak scope, so as to
Judge whether engine ignitor work is normal, because the Optimum spark advance angle of engine is with engine speed and load
Change is an irregular curved surface, and the ignition advance angle regulation of vacuum, centrifugation electronic spark advance adjuster is linear, therefore not
Ignition advance angle may be all adjusted to optimal value in the range of engine speed, load variations.Ignition timing is adjusted
Basic spark advance angle be premised on engine does not produce detonation in the range of whole rotation speed change, can only so make hair
Motivation under some operating modes close to optimum igniting, and under other operating modes be actually lighted a fire late.Vacuum, centrifugation igniting
Adjusting means makes engine off-target time of ignition under many operating modes in advance, and the power of engine can not give full play to, oil
Consumption and blowdown are higher, and vacuum, centrifugation electronic spark advance adjuster can not then work, and cause the ignition advance angle of igniter
Regulation performance is poor, and the factors for influenceing burning other on temperature etc. can not play regulatory role.Traditional high Pressure Distribution Ways work
When distributor split fire head and other electrode between arcing and can lose partial firing energy with the high-voltage conducting wires of high electrical resistance,
Distributor works under high pressure, and the electric leakage of distributor plate, split fire head and high-voltage conducting wires etc., scaling loss are that electronic ignition device is common
Failure.Aero-Space engine configures more than 2 mutually redundant igniters at present.So far it there is no the work shape after installation
State monitors, once separate unit igniter failure, though remaining to catch fire by remaining igniter, the safety that certain probability be present is hidden
Suffer from.Secondly, when open fault occurs in engine ignitor capacitor, power off not in time, may making igniter, other are heavy
The damage of circuit is wanted, causes bigger loss；When engine ignitor high voltage discharge circuit failure, power off, will make not in time
Constantly charged into capacitor, until blast.
In summary, aerospace accident is not insignificant, especially for the engine as heart, does not allow even more a bit
The presence of point potential safety hazard.Working condition after igniter installation can be sampled so manufacture is a kind of, to supervise at any time
The device of control is very urgent.But high voltage of the engine ignitor capacitor during charge and discharge, heavy current and reversely negative
The thump interference that high pressure belt comes, logarithm, mould sample circuit have very big interference, cause to sample unstable, inaccuracy, even
It can not work.Interference how is eliminated, effective gathered data, finds failure in time, and can be when failure occurs, the very first time takes
Automatic protection, become current aerospace airspace engine igniter working condition real-time sampling, monitoring and emergency protection and suddenly treat
Solve the problems, such as.
The content of the invention
The purpose of the present invention is in place of above-mentioned the deficiencies in the prior art, there is provided one kind can eliminate engine ignition dress
Work interference is put, it is accurate that sampling is stablized, and digital independent is reliable, and can in time alert when breaking down and take power-off protection
Device.
The technical solution adopted for the present invention to solve the technical problems is：One kind monitoring engine ignitor working condition
Fault-preventing device, including：The igniter of sparking plug is electrically connected by secondary high pressure discharge end and is electrically connected by sampling cable
Connect signal sampling processing, data processing compare control circuit, wherein, data processing compare control circuit include sampling module 3,
Signal processing module 4, data processing and control module 5, display module 6, power module 7, emergency protection module 8 and reset circuit 9,
It is characterized in that：In data processing compares control circuit, the signal processing module 4 in sequential series of sampling module 3 and data processing
Control module 5, data processing and control module 5 electrically connect display module 6, and by being electrically connected with power module 7 and reset circuit 9
Emergency protection module 8 electrically connect igniter primary electrical source；The data for first passing through data processing and control module 5 set electricity
Road, preset working time, standard working frequency and current peak scope, after startup, sampling module 3 connects from igniter sampling
Mouthful, sampled cable 2 carries out signal sampling to pulse current caused by engine ignitor capacitor charge and discharge circuit, adopts
Sample signal makees compensation filter to sampled signal, reading frequency and current peak is sent after the shaping of signal processing module 3, filtering
Enter data processing and control module 5, data processing and control module 5 by AVR single chip software, by preset standard working frequency,
Current peak scope and sample frequency and/or current peak carry out comparing, analysis and judgement, once sample frequency and/or
There is super error to current peak in any one, and data processing and control module 5 sends failure to display module 6 immediately by software and accused
Alert signal instruction, while control emergency protection module 8 to disconnect igniter primary source, and corresponding relay is cut off, make whole
Device enters fault locking state, starting switch failure.
The present invention has the advantages that：
Engine ignitor work interference can be eliminated.The present invention is using first to data processing and control module data processing
Control module carries out the igniter working time, after standard working frequency, current peak scope are pre-seted, is prevented by failure
The starting switch for protecting module is electricity in igniter, from igniter Sampling Interface, sampled cable, by sampling module to starting
Machine igniter capacitor charge and discharge circuit pulse electric current carries out signal sampling, then through signal processing module shaping, filtering, profit
After being sampled with sampling module, then through signal processing module shaping, filtering, the negative high voltage signal that sampling is brought into is thoroughly filtered out and has done
Disturb, and the shift-frequency jamming of impulse sampling signal.
Sampling is stable accurate, reliable.The present invention is using sampling module to igniter capacitor charge and discharge circuit pulse electricity
Stream is sampled, and in igniter electrifying startup 2S or in normal working hours, is sent into data processing and control module and is located again
With setting frequency to carry out comparing analysis, judging after reason, display module is sent to show.Once sample frequency or current peak are any
One there is super error, and data processing and control module sends fault alarm signal to display module, accused by display module failure
Alert instruction, can it is most directly perceived, reflect the open lines failure that igniter is likely to occur at work exactly, it is single with
Upper capacitor breakdown, open fault.Simultaneous faults protection module disconnects igniter primary source, and enters fault locking shape
State, starting switch failure.
Digital independent is reliable.The present invention after signal processing module shaping, filtering, mends in sampled signal to sampled signal
Filtering is repaid, current peak will be read and be sent into data processing and control module, data processing and control module is to working time timing, timing
Igniter primary source is disconnected, current peak is read, send aobvious.
It can in time alert when breaking down and take power-off protection.If do not resetted unblock, it is again started up, data processing
Control module sends fault locking warning to display module and resets cue, and display module has eye-catching fault locking warning letter
Breath and reset prompt message.It must now be resetted by reset circuit, propose fault locking warning message and reset on display module
After showing that information disappears, starting switch is again effective, could be again electricity in igniter.
It is simple to operate.The present invention electrically connects the igniter of sparking plug and by sampling cable electricity by secondary high pressure discharge end
Signal sampling processing, the data processing of connection compare control circuit, and data processing and control module therein can be according to igniter
Working time, standard working frequency, current peak scope are pre-seted.It is on switching, connects the power supply of igniter,
Device starts timing to engine ignitor working condition and sampled, while sampled data and operating condition are intuitively shown
Show to come, condition monitoring and protection are operated to igniter in real time.If working time timing is completed, automatically power off, stop
Work, display work are completed.If breaking down, automatically power off, igniter is stopped, display fault warning prompting.Failure
Lock anti-misoperation.After failure automatically powers off protection, device enters fault locking state, if do not resetted solution
Lock, can not be again started up igniter, prevent maloperation under malfunction.
Brief description of the drawings
The present invention is further illustrated with reference to the accompanying drawings and examples, but does not therefore limit the present invention to described reality
Apply among a scope.
Fig. 1 is the system principle diagram of the sampling of inventive engine igniter working condition and fault-preventing device.
Fig. 2 is the program flow diagram of control software built in Fig. 1 data processing and control modules.
In figure, 1 igniter, 2 sampling cables, 3 sampling modules, 4 signal processing modules, 5 data processing and control modules, 6
Display module, 7 power modules, 8 emergency protection modules, 9 reset circuits, 10 mouths.
Embodiment
Refering to Fig. 1.In a most preferred embodiment described below, a kind of monitoring engine ignitor working condition
Fault-preventing device, including：The igniter of sparking plug is electrically connected by secondary high pressure discharge end and electrically connected by sampling cable
Signal sampling processing, data processing compare control circuit, wherein, data processing compare control circuit include sampling module 3, letter
Number processing module 4, data processing and control module 5, display module 6, power module 7, emergency protection module 8 and reset circuit 9, its
It is characterised by：In data processing compares control circuit, the signal processing module 4 in sequential series of sampling module 3 and data processing control
Molding block 5, data processing and control module 5 electrically connect display module 6, and by being electrically connected with power module 7 and reset circuit 9
Emergency protection module 8 electrically connects the primary electrical source of igniter.The data for first passing through data processing and control module 5 set electricity
Road, preset working time, standard working frequency and current peak scope, after startup, sampling module 3 connects from igniter sampling
Mouthful, sampled cable 2 carries out signal sampling to pulse current caused by engine ignitor capacitor charge and discharge circuit, adopts
Sample signal makees compensation filter to sampled signal, reading frequency and current peak is sent after the shaping of signal processing module 3, filtering
Enter data processing and control module 5, data processing and control module 5 is by software, by preset standard working frequency, current peak model
Enclose and carry out comparing, analysis and judgement with sample frequency and/or current peak, once sample frequency and/or current peak are appointed
There is super error in meaning one, and data processing and control module 5 sends fault alarm signal to display module 6 immediately by software and referred to
Order, while control emergency protection module 8 to disconnect igniter primary source, and corresponding relay is cut off, enter whole device
Fault locking state, starting switch failure.
Data processing and control module 5 is carried out the igniter working time, and standard working frequency, current peak scope carry out pre-
After setting, by the starting switch of emergency protection module for electricity in igniter after, from igniter Sampling Interface, sampled electricity
Cable, signal sampling is carried out to the pulse current in engine ignitor capacitor charge and discharge circuit by sampling module, then through letter
Number processing module shaping, filtering, are sent into data processing and control module 5, are compared with preset data, judged result is sent aobvious
Show that module is shown.
The starting switch of emergency protection module is electricity in igniter, and when a switch is on, data processing and control module 5 is received
To the discrete signal, start timing immediately, sampling module is immediately to the arteries and veins in engine ignitor capacitor charge and discharge circuit
Rush electric current and carry out signal sampling, data processing and control module 5 is performed an analysis by part to sample frequency, current peak and preset data
Contrast, in 2S, sample frequency or current peak do not occur super error, and after 2S, data processing and control module 5 confirms igniting dress
Working properly, the continuation timing of data processing and control module 5 is put, and controls emergency protection module to connect protection switch immediately, immediately
Starting switch is disconnected, now, turns to be powered by only continuing as igniter by the protection switch of emergency protection module.
The starting switch of emergency protection module 8 is electricity in igniter 1, when a switch is on, data processing and control module 5
The discrete signal is received, starts timing immediately, sampling module 3 is by sampling cable 2 immediately to the capacitor of engine ignitor 1
Pulse current in charge and discharge circuit carries out signal sampling, after the shaping of signal processing module 4, filtering, is sent into data processing control
Molding block 5, data processing and control module 5 pass through the contrast that performed an analysis to sample frequency, current peak and preset data：1. such as in 2S
Interior, sample frequency does not occur super error, and data processing and control module 5 confirms that igniter 1 is working properly, after 2S, data processing
Control module 5 continues timing, and controls emergency protection module 8 to connect protection switch immediately, then turns off starting switch.Now,
Turn to be powered by only continuing as igniter 1 by the protection switch of emergency protection module 8.
2. such as in 2S, there is super error in sample frequency, and data processing and control module 5 stops timing, and control event immediately
Hinder protection module 8 and disconnect starting switch, protection switch is still within open position.Now, the primary electrical source of igniter 1 and electricity
Source module 7 is fully disconnected.
As igniter 1 does not break down, after data processing and control module 5 completes working time timing, control is disconnected at once
The protection switch in emergency protection module 8 is opened, and sends work to display module 6 and completes signal, display module 6 shows that work is complete
Into.
When data processing and control module 5 judges the failure of igniter 1, control emergency protection module 8 disconnects all open
Guan Hou, and cut off corresponding relay, whole device is set to enter fault locking state, the starting switch in emergency protection module 8 is lost
Effect；If do not resetted unblock, it is again started up, after the software of data processing and control module 5 is by judgement, failure is sent to display module 6
Locking warning and reset cue, display module 6 have eye-catching fault locking warning message and reset prompt message.It must now lead to
Cross reset circuit 9 to reset, data processing and control module 5 is confirmed after resetting successfully, is closed alarm, cue, is made display module 6
Upper fault locking warning message and reset prompt message disappear, while reset corresponding relay, whole device is released failure lock
Determine state, the starting switch in emergency protection module 8 is again effective.
Sampled signal, through the shaping of signal processing module 4, filtering, it is sent into data processing and control module 5 and is carried out with predetermined frequency
Comparing analysis, display module 6 is sent after judging, show sample frequency value, working time, current peak scope and working condition
Regular prompt.When 1 failure of igniter, data processing and control module 5 is analyzed by comparing, judged, confirms failure, is stood
Fault alarm signal is sent to display module 6, display module 6 shows eye-catching fault cues information.
Refering to Fig. 2.Data processing and control module 5 is provided with setting, to control program software preset working time, mark
The control program software of quasi- working frequency, current peak scope.When electric in igniter 1, control program software program judges
Whether faulty locking, if locking, then judge whether to reset, do not reset such as, then not can turn in emergency protection module 8
Starting switch, and send reset cue to display module 6.When electric in igniter 1, control program software program judges
Whether faulty locking, if locking, then judge whether to reset, do not reset such as, then not can turn in emergency protection module 8
Starting switch, and send reset cue to display module 6.When control program software program judges faulty locking, such as sentence
Break and successfully resetted to reset circuit, or judge that fault-free locks by control program software program, that is, connect emergency protection mould
Starting switch on block 8, and start switch signal is received, the timer opened immediately in data processing and control module 5 starts
Timing.
In 2S, as data processing and control module 5 does not receive sampled signal, or sampling signal frequency, current peak are any
One super error range of data, control program software program control the starting switch disconnected in emergency protection module 8 immediately, close
Timer, and send fault-signal to display module 6.As data processing and control module 5 receives sampled signal, meet through comparing
Preset data requirement, send display module to show, after 2S, the guarantor in control program software program control connection emergency protection module 8
Shield switch, disconnects starting switch, and timer continues timing.In subsequent working time timing course, such as data processing and control
The super error range of any one data in sampling signal frequency that module 5 receives, current peak, control program software program are stood
I.e. control disconnects the protection switch in emergency protection module 8, Off Timer, and sends fault-signal to display module 6, simultaneously
The starting switch in emergency protection module 8 is locked, makes its failure.As do not broken down, timer timing terminates, and programme-control is broken
The protection switch in emergency protection module 8 is opened, and sends work to display module 6 and completes signal.
The primary processor of above-mentioned data processing and control module 5 can be selected and be integrated with 28 independent bit timings/counters,
1 16 bit timings/counter, 4 road PWM passages, 10 ADC interfaces, 1 road SPI interface and 1 road USART serial communications connect
The ATMega16 high speed microprocessors of mouth.Outside converts the current to 0-5V voltages using current conversion module, and passes through
The ADC interface acquisition process of ATMega16 microprocessors.
Claims (7)
1. a kind of fault-preventing device for monitoring engine ignitor working condition, including：Pass through secondary high pressure discharge end electricity
The data processing for connecting the igniter of sparking plug and igniter being electrically connected by sampling cable compares control circuit, wherein, number
Comparing control circuit according to processing includes sampling module（3）, signal processing module（4）, data processing and control module（5）, display mould
Block（6）, power module（7）, emergency protection module（8）And reset circuit（9）, it is characterised in that：Compare and control in data processing
In circuit, sampling module（3）Signal processing module in sequential series（4）And data processing and control module（5）, data processing and control mould
Block（5）Electrically connect display module（6）, and by being electrically connected with power module（7）And reset circuit（9）Emergency protection module
（8）Electrically connect the primary electrical source of igniter；Data processing and control module（5）It is provided with preset working time, standard work
The control program software of frequency and current peak scope, when control program software sets circuit presets work by onboard data
Between, standard working frequency and current peak scope, after startup, sampling module（3）From igniter Sampling Interface, sampled cable
（2）Signal sampling is carried out to pulse current caused by engine ignitor capacitor charge and discharge circuit, sampled signal is through signal
Processing module（4）After shaping, filtering, compensation filter is made to sampled signal, reading frequency and current peak are sent into data processing
Control module（5）, data processing and control module（5）By AVR single chip, by preset standard working frequency, current peak model
Enclose and carry out comparing, analysis and judgement with sample frequency and/or current peak, once sample frequency and/or current peak are appointed
There is super error, data processing and control module in meaning one（5）By control program software immediately to display module（6）Send failure
Alarm signal instructs, while controls emergency protection module（8）Igniter primary source is disconnected, and cuts off corresponding relay, is made
Whole device enters fault locking state, starting switch failure；If data processing and control module（5）Sampled signal is received, is passed through
Comparison meets preset data requirement, send display module（6）It has been shown that, after 2s, emergency protection is connected in the control of control program software program
Module（8）On protection switch, disconnect starting switch, timer continue timing；In working time timing course, if data processing
Control module（5）The super error range of any one data in the frequency of the sampled signal received, current peak, control program are soft
Part program controls immediately disconnects emergency protection module（8）On protection switch, Off Timer, and to display module（6）Send
Fault-signal, while lock emergency protection module（8）On starting switch, make its failure.
2. the fault-preventing device of monitoring engine ignitor working condition as claimed in claim 1, it is characterised in that number
According to processing and control module（5）Pass through emergency protection module（8）Starting switch be igniter（1）Upper electricity, from igniter（1）
Sampling Interface, sampled cable, by sampling module（3）To the pulse in engine ignitor capacitor charge and discharge circuit
Electric current carries out signal sampling, then through signal processing module（4）Shaping, filtering, it is sent into data processing and control module（5）Handle again
Afterwards with setting data to be compared, judge, display module is sent（6）Display.
3. the fault-preventing device of monitoring engine ignitor working condition as claimed in claim 2, it is characterised in that number
According to processing and control module（5）To from sampling module（3）Sample frequency, current peak with setting data to perform an analysis contrast,
In 2s, sample frequency or current peak do not occur super error, confirm that igniter is working properly, continue timing, control failure
Protection module（8）Protection switch is connected, then turns off starting switch, turns to continue as igniter by protection switch（1）Power supply.
4. the fault-preventing device of monitoring engine ignitor working condition as claimed in claim 1, it is characterised in that number
According to processing and control module（5）Confirming that igniter is working properly, after connecting protection switch, always to sample frequency, current peak
Value sample frequency or current peak any one super error of appearance, then stops timing, and control with setting data to perform an analysis contrast
Emergency protection module disconnects starting switch, and protection switch is still within open position, now, igniter（1）Primary electrical source
With power module（7）It is fully disconnected.
5. the fault-preventing device of monitoring engine ignitor working condition as claimed in claim 4, it is characterised in that
Igniter（1）When upper electric, control program software determines whether fault locking, if faulty locking, judges whether to reset,
As do not resetted, emergency protection module is disconnected in instruction（8）On starting switch, to display module（6）Send reset signal.
6. the fault-preventing device of monitoring engine ignitor working condition as claimed in claim 1, it is characterised in that control
When program software processed judges fault-free locking, that is, connect emergency protection module（8）Upper starting switch, and receive start switch
Signal, data processing and control module is opened immediately（5）In timer start timing.
7. the fault-preventing device of monitoring engine ignitor working condition as claimed in claim 1, it is characterised in that 2s
It is interior, data processing and control module（5）Sampled signal or the super mistake of any one data of sampling signal frequency, current peak are not received
Poor scope, control program software controls immediately disconnects emergency protection module（8）On starting switch, Off Timer, and to aobvious
Show module（6）Send fault-signal.
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| CN201610686311.7A CN106121829B (en) | 2016-08-18 | 2016-08-18 | Monitor the fault-preventing device of engine ignitor working condition |
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| CN108051217B (en) * | 2017-11-30 | 2019-09-17 | 四川泛华航空仪表电器有限公司 | The online fault detection method of aero-engine ignition driver |
| CN110094264A (en) * | 2018-01-29 | 2019-08-06 | 胡晓 | A kind of engine behavior monitoring system |
| CN112213577B (en) * | 2020-09-21 | 2022-04-19 | 长园共创电力安全技术股份有限公司 | Method and device for detecting electrical operation, computer key and storage medium |
| CN112627987B (en) * | 2020-12-11 | 2023-09-29 | 陕西航空电气有限责任公司 | Main and boosting integrated ignition device circuit with discharging frequency feedback |
| CN113777982B (en) * | 2021-08-27 | 2023-03-28 | 苏州浪潮智能科技有限公司 | PSU fault diagnosis system and PSU system |
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| GB697953A (en) * | 1949-12-30 | 1953-10-07 | Rolls Royce | Improvements in or relating to electrical ignition systems of gas turbine engines |
| CN104345273B (en) * | 2013-07-24 | 2017-11-24 | 中国国际航空股份有限公司 | Airplane auxiliary power unit starter method for testing performance and device |
| CN204283624U (en) * | 2014-09-17 | 2015-04-22 | 中航商用航空发动机有限责任公司 | For the ignition system of airplane engine |
| CN205047346U (en) * | 2015-10-22 | 2016-02-24 | 天津大学 | Aviation piston engine ignition drive circuit's anti -interference structure |
| CN105317613B (en) * | 2015-11-01 | 2018-04-06 | 四川泛华航空仪表电器有限公司 | Engine igniting system spark frequency on-line measuring device |
| CN205225559U (en) * | 2015-11-01 | 2016-05-11 | 四川泛华航空仪表电器有限公司 | Online spark discharge frequency detector of multichannel |
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| CN106121829A (en) | 2016-11-16 |
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