CN102959360B - 一种检测用来测量物理参数的探头除冰装置中故障的方法 - Google Patents

一种检测用来测量物理参数的探头除冰装置中故障的方法 Download PDF

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CN102959360B
CN102959360B CN201180029286.0A CN201180029286A CN102959360B CN 102959360 B CN102959360 B CN 102959360B CN 201180029286 A CN201180029286 A CN 201180029286A CN 102959360 B CN102959360 B CN 102959360B
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probe
parameter
value
physical parameter
deicer
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CN102959360A (zh
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伯诺伊特·比兰德
弗兰克·哥德尔
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Safran Aircraft Engines SAS
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SNECMA SAS
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28Testing of electronic circuits, e.g. by signal tracer
    • G01R31/282Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
    • G01R31/2829Testing of circuits in sensor or actuator systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D15/00De-icing or preventing icing on exterior surfaces of aircraft
    • B64D15/20Means for detecting icing or initiating de-icing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00Regulating or controlling by varying flow
    • F01D17/02Arrangement of sensing elements
    • F01D17/08Arrangement of sensing elements responsive to condition of working-fluid, e.g. pressure
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/08Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for safeguarding the apparatus, e.g. against abnormal operation, against breakdown
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K15/00Testing or calibrating of thermometers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K15/00Testing or calibrating of thermometers
    • G01K15/007Testing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00Function
    • F05D2260/80Diagnostics
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00Function
    • F05D2260/85Starting

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Electromagnetism (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Measuring Fluid Pressure (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

本发明涉及一种检测用来测量飞机发动机物理参数的探头除冰装置中的故障的方法,所述方法的特征在于,其包括连续步骤如下:在起动发动机之前,通过探头来测量物理参数的第一值(T1);启动探头的除冰装置;在启动除冰开始后的确定持续时间(t2-t1)结束时,通过探头测量所述参数的第二值(T2);以及将这两个值进行比较,且如果两个值之间的差小于预定阈值时,给出故障信号。

Description

一种检测用来测量物理参数的探头除冰装置中故障的方法
技术领域
本发明涉及到一种检测用来测量物理参数的探头除冰装置中故障的方法,诸如测量飞机发动机温度的探头。
背景技术
飞机发动机上装有探头,这些探头根据其部位可能会结冰。探头上结成的冰会对其测量结果造成误差。例如,特别是,温度的测量用于调整发动机压气机内变距定子叶片的位置。测量误差会导致发动机湍振风险,并进而引起发动机推力出现巨大损失,或导致发动机停车。
为了避免这种情况,设有除冰装置,以便对在探头上的结冰进行熔化,该装置包括布置在探头本体内部的加热器电阻。
虽然用了测量温度的探头的感应元件并不是由电阻直接加热,但其记录了温度的升高情况,因为其是通过对流而被加热的。在发动机运转时,由于探头加热而导致的测量误差会通过软件给予补偿,软件可对所测量的温度值修正几度。
然而,现有技术并不保证除冰装置的实际效能和正常工作,因为现有技术无法检测出探头除冰装置中是否存在故障。
发明内容
本发明的一个特定目标是提供一种解决上述问题的方案,该方案简单,有效,且成本不高。
为此,本发明提供了一种检测探头除冰装置中的故障的方法,所述探头可测量飞机发动机上的物理参数,所述方法包括连续步骤如下:
·在地面时,在起动发动机之前,通过探头来测量物理参数的第一值;
·启动探头的除冰装置;
·在除冰开始后的确定持续时间结束时,通过探头测量所述参数的第二值;以及
·将这两个值进行比较,且如果两个值之间的差小于预定阈值时,给出故障信号。
如果两个值之间的差大于阈值时,可说明除冰装置工作正常。相反,如果该差小于阈值时,则必须向操作手发出警告,表面除冰装置存在故障。
根据本发明的特性,通过探头测量的参数是温度。
在这种情况下,例如,所述阈值可以在3开耳文(K)到8K的范围内,优选大约为5K。
根据另一方式,通过探头测量的参数是压力。
上述步骤是在发动机起动前进行,目的是避免探头的参数测量不会受到流过发动机的气流的影响。
根据本发明的另一个特性,在从除冰开始的10秒到1分钟(例如,等于大约20秒)的持续时间之后,通过探头来测量所述参数的第二值。
通过阅读如下以非限定性示例且参照附图给出的说明,可以更好地理解本发明,本发明的其它细节、特性和优点会显现出来,
附图说明
图1给出了探头所测量的温度在除冰期间随时间的变化
具体实施方式
该唯一附图示出了飞机发动机温度传感器的正常工作情况,特别是与发动机低压压气机相连的探头。众所周知,探头本体上装有除冰装置,该装置包括了适合溶化积聚在探头本体上的冰的加热器电阻,所述发动机还装有计算机,作为其中一个功能,该计算机包括了将在下面参照附图详细描述的功能。
本发明提出了在起动发动机前检验上述除冰装置效能和正常工作情况的测试,在该测试期间,第一温度值T1是在瞬间t1时测量的,然后,启动除冰装置,以便通过对流而对探头本体进行加热。在正常工作时,在此步骤期间,探头所测量的温度T会增加,如图中曲线所示。
从除冰开始计算的10秒到1分钟(优选等于大约20秒)的持续时间(t2-t1)结束时,使用探头测量第二温度值T2
如果两个温度值T1和T2大于4K到8K的阈值,优选等于大约5K时,那么,计算机会推断除冰装置工作正常。否则,如果温度差小于阈值时,计算机会推断出除冰装置存在故障,因此会给出相应的故障信号,以警示操作手。
本发明同样也适用于压力探头,特别是安装在飞机发动机上的探头。

Claims (4)

1.一种检测用来测量飞机发动机物理参数的探头除冰装置中故障的方法,所述方法的特征在于,其包括连续步骤如下:
·在起动发动机之前,通过探头测量物理参数的第一值(T1);
·启动探头的除冰装置;
·在除冰开始后的确定持续时间(t2-t1)结束时,通过探头测量参数的第二值(T2);以及
·将这两个值进行比较,且如果两个值之间的差小于预定阈值时,给出故障信号。
2.根据权利要求1所述的方法,其特征在于,通过探头所测量的参数是温度。
3.根据权利要求1所述的方法,其特征在于,通过探头所测量的参数是压力。
4.根据权利要求1到3任一项所述的方法,其特征在于,参数的第二值是在从除冰开始后的10秒到1分钟的持续时间(t2-t1)之后通过探头测量的。
CN201180029286.0A 2010-06-25 2011-06-22 一种检测用来测量物理参数的探头除冰装置中故障的方法 Active CN102959360B (zh)

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FR1055121 2010-06-25
FR1055121A FR2961898B1 (fr) 2010-06-25 2010-06-25 Procede de detection d'une panne des moyens de degivrage d'une sonde de mesure d'un parametre physique
PCT/FR2011/051433 WO2011161377A2 (fr) 2010-06-25 2011-06-22 Procédé de détection d'une panne des moyens de dégivrage d'une sonde de mesure d'un paramètre physique

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US10421551B2 (en) 2014-12-15 2019-09-24 United Technologies Corporation Aircraft anti-icing system
RU2666886C1 (ru) * 2017-11-14 2018-09-12 Акционерное общество "Объединенная двигателестроительная корпорация" (АО "ОДК") Способ управления противообледенительной системой воздухозаборника газотурбинного двигателя самолета
CN108357683B (zh) * 2017-12-29 2021-03-23 西北工业大学 一种基于空速管的小型无人机结冰探测方法

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GB840509A (en) * 1957-04-15 1960-07-06 Fairey Co Ltd Improvements relating to aircraft de-icing installations
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US8994392B2 (en) 2015-03-31
FR2961898B1 (fr) 2013-01-04
BR112012031455A2 (pt) 2016-11-08
WO2011161377A2 (fr) 2011-12-29
EP2585796A2 (fr) 2013-05-01
CA2801721A1 (fr) 2011-12-29
EP2585796B1 (fr) 2017-03-08
BR112012031455B1 (pt) 2020-04-07
FR2961898A1 (fr) 2011-12-30
CN102959360A (zh) 2013-03-06
US20130088249A1 (en) 2013-04-11
CA2801721C (fr) 2017-07-11
RU2013103370A (ru) 2014-07-27
RU2565341C2 (ru) 2015-10-20

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