CN105300698B - A kind of fanjet ground experiment starting failure method for removing - Google Patents
A kind of fanjet ground experiment starting failure method for removing Download PDFInfo
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- CN105300698B CN105300698B CN201510811673.XA CN201510811673A CN105300698B CN 105300698 B CN105300698 B CN 105300698B CN 201510811673 A CN201510811673 A CN 201510811673A CN 105300698 B CN105300698 B CN 105300698B
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- fanjet
- starter
- failture evacuation
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Abstract
The present invention relates to a kind of fanjet ground experiment starting failure method for removing, this method passes through the situation to fanjet ground experiment starting different faults, first, carry out the setting failture evacuation of fanjet operating table surface switching plate, then, the starter starting failure that fanjet is equipped with is excluded, the starter power supply line failture evacuation equipped to fuse in fanjet contactless box and fanjet, carry out fanjet trigger circuit failure and starting ignition failture evacuation, fanjet fuel oil is carried out to uprush valve and interlock circuit failture evacuation, finally, carry out fanjet starter box peripheral circuit failture evacuation, until fanjet ground experiment starts normally, realize that fanjet ground experiment starting failure excludes.The inventive method excludes to fanjet ground experiment starting failure in a short time, saves the cost of time and failture evacuation.
Description
Technical field
The invention belongs to aero-engine fault diagnosis technique field, and in particular to a kind of fanjet ground experiment rises
Dynamic troubleshooting methodology.
Background technology
Often there are various failures in fanjet ground experiment, and particularly starting failure is more frequent, fanjet
Starting process it is relative complex, be related to starter, trigger circuit, start fuel feeding, start the factors such as ancillary equipment, every time therefore
Barrier be required for taking a long time analyzed and processed, verification experimental verification, cause the fanjet troubleshooting time longer, verification experimental verification
Cost is higher.
The content of the invention
In view of the shortcomings of the prior art, the present invention proposes a kind of fanjet ground experiment starting failure method for removing.
A kind of fanjet ground experiment starting failure method for removing, comprises the following steps：
Step 1：When ground experiment starting failure occurs for fanjet, fanjet operating table surface switching plate is judged
Whether have and failure is set, if so, carrying out operating table surface switching plate sets failture evacuation, perform step 12, otherwise, perform step
2；
Step 2：Judge whether the equipped starter of fanjet starts, if so, performing step 3, otherwise, perform step
4；
Step 3：Judge whether the fanjet equipped starter working time disconnection phenomenon occurs in 5s~7s, if
It is to perform step 5, otherwise, performs step 6；
Step 4：Judge whether fuse is working properly in fanjet contactless box, if so, carrying out fanjet
Equipped starter power supply line failture evacuation, step 12 is performed, otherwise, change in fanjet contactless box and fuse
Device, perform step 12；
Step 5：Judge the equipped starter of fanjet whether to work after 10s to occur disconnecting phenomenon, if so, performing step
Rapid 7, otherwise, perform step 8；
Step 6：Fanjet trigger circuit failure and starting ignition failture evacuation are carried out, performs step 12；
Step 7：Carry out fanjet fuel oil to uprush valve and interlock circuit failture evacuation, perform step 12；
Step 8：Fanjet starter box is connect with+27V electricity, starter box plug X1 No. 33 contact pins are monitored with universal meter,
Judge whether the 27V electricity of the contact pin occurs disconnecting phenomenon in 5s~7s, if so, then performing step 9, otherwise, carry out lubricating oil pressure
Power bleeding, the air in lubricating oil pressure pipeline is excluded, perform step 12；
Step 9：Fanjet starter box is connect with+27V electricity, starter box plug X1 No. 14 contact pins are monitored with universal meter,
Judge whether the 27V electricity of the contact pin occurs disconnecting phenomenon in 5s~7s, if so, then performing step 10, otherwise, open fuel oil and increase
Press pump, perform step 12；
Step 10：Inserted with+27V electricity short circuit fanjet starter box plugs X1 No. 33 contact pins and No. 14 of plug X1
Pin, simulation lubricating oil pressure supply and fuel pressure supply, judge starter box within the 50s cycles whether normal work, if so, then holding
Row step 11, otherwise, fanjet starter box is changed, perform step 12；
Step 11：Carry out fanjet starter box peripheral circuit failture evacuation；
Step 12：Fanjet ground experiment starts normally, realizes that fanjet ground experiment starting failure excludes.
The equipped starter power supply line failture evacuation of the fanjet includes：To fanjet starter
The failture evacuation of power supply lines open circuit, and the event to fanjet starter power supply line insurance termination damage
Barrier excludes.
Beneficial effects of the present invention：
The present invention proposes a kind of fanjet ground experiment starting failure method for removing, and the inventive method can make technology
Personnel find the reason for fanjet ground experiment starting failure in a short time, and are excluded, and the row of being less prone to
Unnecessary operation during therefore, save time and troubleshooting cost.
Brief description of the drawings
Fig. 1 is the flow chart of fanjet ground experiment starting failure method for removing in the specific embodiment of the invention.
Embodiment
The specific embodiment of the invention is described in detail below in conjunction with the accompanying drawings.
In present embodiment, fanjet starting process is double remaining controls, and one is time control, and one is rotating speed
Control, rotating speed control is first choice, and when speed conditions deficiency, time control plays a role.
A kind of fanjet ground experiment starting failure method for removing, as shown in figure 1, comprising the following steps：
Step 1：When ground experiment starting failure occurs for fanjet, fanjet operating table surface switching plate is judged
Whether have and failure is set, if so, carrying out operating table surface switching plate sets failture evacuation, perform step 12, otherwise, perform step
2。
Step 2：Judge whether the equipped starter of fanjet starts, if so, performing step 3, otherwise, perform step
4。
Step 3：Judge whether the fanjet equipped starter working time disconnection phenomenon occurs in 5s~7s, if
It is to perform step 5, otherwise, performs step 6.
Step 4：Judge whether fuse is working properly in fanjet contactless box, if so, carrying out fanjet
Equipped starter power supply line failture evacuation, step 12 is performed, otherwise, change in fanjet contactless box and fuse
Device, perform step 12.
In present embodiment, the equipped starter power supply line failture evacuation of fanjet includes：Turbofan is sent out
The failture evacuation of engine start electromechanical source supply line open circuit, and to fanjet starter power supply line guard terminal
The failture evacuation of head damage.
Step 5：Judge the equipped starter of fanjet whether to work after 10s to occur disconnecting phenomenon, if so, performing step
Rapid 7, otherwise, perform step 8.
Step 6：Fanjet trigger circuit failure and starting ignition failture evacuation are carried out, performs step 12.
In present embodiment, the resistance value of fanjet trigger circuit is detected with meter specially, if its resistance is infinite
Big or more than 10 ohm, then fanjet trigger circuit failure, if its resistance is within 1 ohm, fanjet starts
Circuit is normal, is measurement operational issue, it is necessary to re-operate if its resistance is between 1 ohm to 10 ohm.
In present embodiment, fanjet starting ignition failure：Fanjet starting ignition point is directly connected into behaviour
Make the manual ignition switch on platform, if there is fanjet starting ignition failure, change igniter and judge trouble point again.
Step 7：Carry out fanjet fuel oil to uprush valve and interlock circuit failture evacuation, perform step 12.
In present embodiment, there is starter fuel feeding in fanjet starting process and fuel oil is uprushed fuel feeding, can use
The resistance that meter specially detects magnetic valve in the output end of starter box judges, resistance between 20~60 ohm be it is normal, it is no
Then, it is failure, then carries out fanjet fuel oil and uprush the replacing of part where valve.
Step 8：Fanjet starter box is connect with+27V electricity, starter box plug X1 No. 33 contact pins are monitored with universal meter,
Judge whether the 27V electricity of the contact pin occurs disconnecting phenomenon in 5s~7s, if so, then performing step 9, otherwise, carry out lubricating oil pressure
Power bleeding, the air in lubricating oil pressure pipeline is excluded, perform step 12.
Step 9：Fanjet starter box is connect with+27V electricity, starter box plug X1 No. 14 contact pins are monitored with universal meter,
Judge whether the 27V electricity of the contact pin occurs disconnecting phenomenon in 5s~7s, if so, then performing step 10, otherwise, open fuel oil and increase
Press pump, perform step 12.
Step 10：Inserted with+27V electricity short circuit fanjet starter box plugs X1 No. 33 contact pins and No. 14 of plug X1
Pin, simulation lubricating oil pressure supply and fuel pressure supply, judge starter box within the 50s cycles whether normal work, if so, then holding
Row step 11, otherwise, fanjet starter box is changed, perform step 12.
Step 11：Carry out fanjet starter box peripheral circuit failture evacuation.
In present embodiment, remove outside failure and special point listed above, fanjet starter box also has many peripheries
Circuit, includes the power supply of starter box, starter box receive other equipment to signal instruction, whether the signal line that starter box is sent
Insulate normal failure, is investigated one by one.
Step 12：Fanjet ground experiment starts normally, realizes that fanjet ground experiment starting failure excludes.
Claims (2)
1. a kind of fanjet ground experiment starting failure method for removing, it is characterised in that comprise the following steps：
Step 1：When ground experiment starting failure occurs for fanjet, whether fanjet operating table surface switching plate is judged
With failure is set, if so, carrying out operating table surface switching plate sets failture evacuation, step 12 is performed, otherwise, performs step 2；
Step 2：Judge whether the equipped starter of fanjet starts, if so, performing step 3, otherwise, perform step 4；
Step 3：Judge whether the fanjet equipped starter working time disconnection phenomenon occurs in 5s~7s, if so,
Step 5 is performed, otherwise, performs step 6；
Step 4：Judge whether fuse is working properly in fanjet contactless box, be equipped with if so, carrying out fanjet
Starter power supply line failture evacuation, perform step 12, otherwise, change fanjet contactless box in fuse,
Perform step 12；
Step 5：Judge the equipped starter of fanjet whether to work after 10s to occur disconnecting phenomenon, if so, step 7 is performed,
Otherwise, step 8 is performed；
Step 6：Fanjet trigger circuit failure and starting ignition failture evacuation are carried out, performs step 12；
Step 7：Carry out fanjet fuel oil to uprush valve and interlock circuit failture evacuation, perform step 12；
Step 8：Fanjet starter box is connect with+27V electricity, starter box plug X1 No. 33 contact pins are monitored with universal meter, is judged
Whether the 27V electricity of the contact pin occurs disconnecting phenomenon in 5s~7s, if so, then performing step 9, otherwise, carries out lubricating oil pressure pipe
Road is deflated, and excludes the air in lubricating oil pressure pipeline, performs step 12；
Step 9：Fanjet starter box is connect with+27V electricity, starter box plug X1 No. 14 contact pins are monitored with universal meter, is judged
Whether the 27V electricity of the contact pin occurs disconnecting phenomenon in 5s~7s, if so, then performing step 10, otherwise, opens fuel pressurization
Pump, perform step 12；
Step 10：With+27V electricity short circuit fanjet starter box plugs X1 No. 33 contact pins and plug X1 No. 14 contact pins, mould
Intend lubricating oil pressure supply and fuel pressure supply, judge starter box within the 50s cycles whether normal work, if so, then performing step
Rapid 11, otherwise, fanjet starter box is changed, perform step 12；
Step 11：Carry out fanjet starter box peripheral circuit failture evacuation；
Step 12：Fanjet ground experiment starts normally, realizes that fanjet ground experiment starting failure excludes.
2. fanjet ground experiment starting failure method for removing according to claim 1, it is characterised in that the whirlpool
The equipped starter power supply line failture evacuation of fan engine includes：To fanjet starter power, supply line breaks
The failture evacuation on road, and the failture evacuation to fanjet starter power supply line insurance termination damage.
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|---|---|---|---|
| CN201510811673.XA CN105300698B (en) | 2015-11-20 | 2015-11-20 | A kind of fanjet ground experiment starting failure method for removing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510811673.XA CN105300698B (en) | 2015-11-20 | 2015-11-20 | A kind of fanjet ground experiment starting failure method for removing |
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| CN105300698B true CN105300698B (en) | 2018-01-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106959213A (en) * | 2017-05-28 | 2017-07-18 | 西安成立航空制造有限公司 | A kind of method for removing of fanjet afterburner ignition failure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113310701B (en) * | 2021-06-15 | 2022-06-10 | 中国人民解放军93208部队 | Complete machine tester for mechanical system of military turbofan engine |
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| JP2007224862A (en) * | 2006-02-24 | 2007-09-06 | Toyota Motor Corp | Abnormal combustion predicting device |
| US7841184B2 (en) * | 2007-04-19 | 2010-11-30 | Pratt & Whitney Canada Corp. | Start flow measurement |
| CN102944789B (en) * | 2012-11-13 | 2015-12-09 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of fanjet complete machine electrical system Gernral Check-up device and method |
| CN104748967B (en) * | 2013-12-27 | 2017-10-31 | 中国航发商用航空发动机有限责任公司 | Inhale the fanjet performance simulation pad optimization method under rain operating mode |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106959213A (en) * | 2017-05-28 | 2017-07-18 | 西安成立航空制造有限公司 | A kind of method for removing of fanjet afterburner ignition failure |
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Address after: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee after: Chinese Hangfa Shenyang Liming Aero engine limited liability company Address before: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee before: Liming Aeroplane Engine (Group) Co., Ltd., Shenyang City |
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