KR960014911A - Injector operation performance test apparatus and method - Google Patents

Injector operation performance test apparatus and method Download PDF

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Publication number
KR960014911A
KR960014911A KR1019940027668A KR19940027668A KR960014911A KR 960014911 A KR960014911 A KR 960014911A KR 1019940027668 A KR1019940027668 A KR 1019940027668A KR 19940027668 A KR19940027668 A KR 19940027668A KR 960014911 A KR960014911 A KR 960014911A
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South Korea
Prior art keywords
injector
state
pressure
control means
operation control
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KR1019940027668A
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Korean (ko)
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KR100207100B1 (en
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이명근
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전성원
현대자동차 주식회사
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Publication of KR960014911A publication Critical patent/KR960014911A/en
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Publication of KR100207100B1 publication Critical patent/KR100207100B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Testing Of Engines (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

엔진의 각 해당 실린더로 해당 양을 분사하는 인젝터의 성능을 설정된 조건에 맞게 시험동작을 실행할 수 있도록 하고 시험자가 인젝터의 성능시험 상태를 용이하게 판단할 수 있도록 하는 인젝터 동작 성능 시험장치 및 그 방법을 제공하기 위하여, 인젝터 내부에 작용하는 압력상태를 판단하기 위한 것으로, 압력값에 따라 출력되는 전기적인 신호상태가 가변되는 압력 감지수단과; 상기 압력 감지수단에서 인가되는 신호 상태에 따라 성능시험을 위한 인젝터의 내부에 작용하는 연료 압력상태를 판단하여, 설정된 압력조건을 만족하지 못할 경우 설정조간을 만족하기 위한 제어신호를 출력하고, 해당하는 인젝터의 구동신호를 출력하고, 인젝터의 동작 상태를 확인할 수 있는 제어신호를 출력하는 동작 제어수단과; 상기 동작 제어수단에서 출력되는 제어신호에 따라 개폐상태가 가변되어 인가되는 압력상태에 따라 연료 압력을 조정하는 압력 조절밸브와; 상기 동작 제어수단에서 출력되는 제어신호에 따라 동작상태가 가변되어 해당하는 인젝터(I1-In)의 구동코일(L1-Ln)을 구동시키는 인젝터 구동수단과; 상기 동작 제어수단에서 출력되는 제어신호에 따라 동작이 가변되어 해당 인젝터(I1-In)의 동작 상태를 확인할 수 있도록 하는 상태 표시수단으로 이루어져 있다.Injector performance tester and method for performing the test operation according to the set conditions and the tester can easily determine the performance test state of the injector to the corresponding cylinder of the engine, and the method In order to provide, for determining the pressure state acting inside the injector, pressure sensing means for varying the electrical signal state output in accordance with the pressure value; The fuel pressure state acting on the inside of the injector for the performance test is judged according to the signal state applied by the pressure sensing means, and when the set pressure condition is not satisfied, the control signal for satisfying the set period is output, and the corresponding Operation control means for outputting a drive signal of the injector, and outputting a control signal for confirming an operation state of the injector; A pressure regulating valve configured to adjust fuel pressure according to a pressure state in which an open / close state is changed according to a control signal output from the operation control means; Injector driving means for varying an operation state according to a control signal output from the operation control means to drive driving coils L1-Ln of a corresponding injector I1-In; The operation is changed in accordance with the control signal output from the operation control means, and the status display means for checking the operation state of the injector (I1-In).

Description

인젝터 동작 성능 시험장치 및 그 방법Injector operation performance test apparatus and method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

Claims (6)

인젝터 내부에 작용하는 압력상태를 판단하기 위한 것으로, 압력값에 따라 출력되는 전기적인 신호상태가 가변되는 압력 감지수단과; 상기 압력 감지수단에서 인가되는 신호 상태에 따라 성능시험을 위한 인젝터의 내부에 작용하는 연료 압력상태를 판단하여, 설정된 압력조건을 만족하지 못할 경우 설정조건을 만족하기 위한 제어신호를 출력하고, 해당하는 인젝터의 구동신호를 출력하고, 인젝터의 동작상태를 확인할 수 있는 제어신호를 출력하는 동작 제어수단과; 상기 동작 제어수단과 연결되어, 동작 제어수단에서 출력되는 제어신호에 따라 개폐상태가 가변되어 인가되는 압력상태에 따라 연료 압력을 조정하는 압력 조정밸브와; 상기 동작 제어수단과 연결되어, 동작 제어수단에서 출력되는 제어신호에 따라 동작상태가 가변되어 해당하는 인젝터(I1∼In)의 구동 코일(L1∼Ln)을 구동시키는 인젝터 구동수단과; 상기 동작 제어수단과 연결되어, 동작 제어수단에서 출력되는 제어신호에 따라 동작이 가변되어 해당 인젝터(I1∼In)의 동작 상태를 확인할 수 있도록 하는 상태 표시수단으로 이루어져 있는 것을 특징으로 하는 인젝터 동작 성능 시험장치.Pressure sensing means for determining a pressure state acting inside the injector, the electrical signal state being output according to the pressure value; The fuel pressure state acting on the inside of the injector for the performance test is determined according to the signal state applied from the pressure sensing means, and when the set pressure condition is not satisfied, a control signal for satisfying the set condition is output and corresponding Operation control means for outputting a drive signal of the injector, and outputting a control signal for confirming an operation state of the injector; A pressure regulating valve connected to the operation control means and configured to adjust fuel pressure according to an applied pressure state by varying an open / close state according to a control signal output from the operation control means; An injector driving means connected to the operation control means, the operation state being changed according to a control signal output from the operation control means to drive the driving coils L1 to Ln of the corresponding injectors I1 to In; Injector operation performance, characterized in that it is connected to the operation control means, the operation is variable according to the control signal output from the operation control means to determine the operating state of the injector (I1 ~ In) Test equipment. 제1항에 있어서, 인젝터 내부에 작용하는 연료의 압력을 조정하기 위해, 압력 조정밸브의 동작상태에 따라 인가되는 정압 또는 부압에 의해 연료 탱크(108)로 연결되는 리턴밸브의 개폐정도를 제어하는 것을 특징으로 하는 인젝터 동작 성능 시험장치.The method of claim 1, wherein in order to adjust the pressure of the fuel acting inside the injector, the degree of opening and closing of the return valve connected to the fuel tank 108 is controlled by a positive pressure or a negative pressure applied according to the operating state of the pressure regulating valve. Injector operation performance test apparatus, characterized in that. 제1항에 있어서, 상기 입력 조정밸브는, 동작 제어수단에서 인가되는 제어신호에 따라 개폐상태가 가변되는 3방향 밸브를 이용하는 것을 특징으로 하는 인젝터 동작 성능 시험장치.The injector operation performance test apparatus according to claim 1, wherein the input adjustment valve uses a three-way valve whose opening and closing state is changed according to a control signal applied from the operation control means. 제1항에 있어서, 상기 인젝터 구동수단은, 상기 동작 제어수단에서 인가되는 구동신호에 따라 턴온/오프 상태가 가변되는 트랜지스터(T1∼Tn)의 동작을 이용하여 구동코일(L1-Ln)의 동작을 제어하는 것을 특징으로 하는 인젝터 동작 성능 시험장치.The operation of the driving coils L1-Ln according to claim 1, wherein the injector driving means uses the operations of the transistors T1 to Tn whose turn-on / off states are changed according to a driving signal applied from the operation control means. Injector operation performance test apparatus, characterized in that for controlling. 제1항에 있어서, 상기 상태 표시수단은, 상기 동작 제어수단에서 인가되는 구동신호에 따라 동작 상태가 가변되는 발광 다이오드(LED1∼LEDn)를 이용하는 것을 특징으로 하는 인젝터 동작 성능 시험장치.The injector operation performance test apparatus according to claim 1, wherein the state display means uses light emitting diodes (LED1 to LEDn) whose operation states vary according to a drive signal applied from the operation control means. 압력 감지수단에서 인가되는 신호를 판독하여, 인젝터 내부에 작용하는 압력상태와 설정상태를 비교 판단하는 단계와; 인젝터 내부에 작용하는 압력상태가 설정상태와 같지 않을 경우엔, 압력조청 밸브의 개도상태를 가변시켜 인젝터 내부의 압력을 조정하는 단계와; 인젝터 내부에 작용하는 압력상태가 설정상태와 같을 경우엔, 해당 인젝터를 판단하여 설정된 시간동안 구동시키기 위한 구동신호를 인젝터 구동수단으로 출력하는 단계와; 인젝터 구동수단에서 인가되는 전류값을 판단하여 설정값과 비교 판단하는 단계와; 설정된 전류값보다 작을 경우엔, 해당 인젝터의 비정상 상태를 확인할 수 있도록 상태 표시수단으로 구동신호를 출력하는 단계로 이루어져 있는 것을 특징으로 하는 인젝터 동작 성능 시험방법.Reading a signal applied from the pressure sensing means and comparing and determining a pressure state acting inside the injector and a setting state; If the pressure state acting inside the injector is not the same as the setting state, varying the opening state of the pressure check valve to adjust the pressure inside the injector; If the pressure state acting inside the injector is equal to the setting state, determining a corresponding injector and outputting a driving signal to the injector driving means for driving for the predetermined time; Judging the current value applied from the injector driving means and comparing it with a set value; Injector operation performance test method, characterized in that the step of outputting the drive signal to the status display means to check the abnormal state of the injector, if the current value is smaller than the set current value. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940027668A 1994-10-27 1994-10-27 Testing method and apparatus of efficiency for injector of engine KR100207100B1 (en)

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KR1019940027668A KR100207100B1 (en) 1994-10-27 1994-10-27 Testing method and apparatus of efficiency for injector of engine

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KR1019940027668A KR100207100B1 (en) 1994-10-27 1994-10-27 Testing method and apparatus of efficiency for injector of engine

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KR960014911A true KR960014911A (en) 1996-05-22
KR100207100B1 KR100207100B1 (en) 1999-07-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100436501B1 (en) * 2001-08-27 2004-06-22 현대모비스 주식회사 testing device of injecter for liquid fuel rocket

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102265533B1 (en) * 2020-02-05 2021-06-16 이상각 method for inspecting injector of a engine of a vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100436501B1 (en) * 2001-08-27 2004-06-22 현대모비스 주식회사 testing device of injecter for liquid fuel rocket

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