KR870009119A - Control method of fuel injection device and fuel injection device - Google Patents

Control method of fuel injection device and fuel injection device Download PDF

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Publication number
KR870009119A
KR870009119A KR870002311A KR870002311A KR870009119A KR 870009119 A KR870009119 A KR 870009119A KR 870002311 A KR870002311 A KR 870002311A KR 870002311 A KR870002311 A KR 870002311A KR 870009119 A KR870009119 A KR 870009119A
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South Korea
Prior art keywords
fuel
pressure regulator
internal combustion
combustion engine
pressure
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KR870002311A
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Korean (ko)
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페렌바하 지그프리트
그라스 위르겐
귄테르 디터
유스 클라우스
스타인브레너 울리히
Original Assignee
클라우스 포스, 만프레드 크네취
로베르트 보쉬 게엠베하
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Publication of KR870009119A publication Critical patent/KR870009119A/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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/30—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for facilitating the starting-up or idling of engines or by means for enriching fuel charge, e.g. below operational temperatures or upon high power demand of engines
    • F02M69/36—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for facilitating the starting-up or idling of engines or by means for enriching fuel charge, e.g. below operational temperatures or upon high power demand of engines having an enrichment mechanism modifying fuel flow to injectors, e.g. by acting on the fuel metering device or on the valves throttling fuel passages to injection nozzles or overflow passages
    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
    • F02D41/062—Introducing corrections for particular operating conditions for engine starting or warming up for starting
    • F02D41/065—Introducing corrections for particular operating conditions for engine starting or warming up for starting at hot start or restart
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/20—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines characterised by means for preventing vapour lock
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/30—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for facilitating the starting-up or idling of engines or by means for enriching fuel charge, e.g. below operational temperatures or upon high power demand of engines
    • F02M69/36—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for facilitating the starting-up or idling of engines or by means for enriching fuel charge, e.g. below operational temperatures or upon high power demand of engines having an enrichment mechanism modifying fuel flow to injectors, e.g. by acting on the fuel metering device or on the valves throttling fuel passages to injection nozzles or overflow passages
    • F02M69/42—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for facilitating the starting-up or idling of engines or by means for enriching fuel charge, e.g. below operational temperatures or upon high power demand of engines having an enrichment mechanism modifying fuel flow to injectors, e.g. by acting on the fuel metering device or on the valves throttling fuel passages to injection nozzles or overflow passages using other means than variable fluid pressure, e.g. acting on the fuel metering device mechanically or electrically
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/46—Details, component parts or accessories not provided for in, or of interest apart from, the apparatus covered by groups F02M69/02 - F02M69/44
    • F02M69/54—Arrangement of fuel pressure regulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2250/00—Engine control related to specific problems or objectives
    • F02D2250/02—Fuel evaporation in fuel rails, e.g. in common rails

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

내용 없음No content

Description

연료분사 장치의 제어법과 연료분사 장치Control method of fuel injection device and fuel injection device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 구성에 의한 연료분사 장치의 제1실시예의 개략도.1 is a schematic view of a first embodiment of a fuel injection device according to the configuration of the present invention.

제2도는 본 발명의 연료분사 장치의 제2실시예의 부분적 개략도.2 is a partial schematic view of a second embodiment of a fuel injection device of the present invention.

제3도는 본 발명의 연료분사 장치의 제3실시예의 부분적 단면도.3 is a partial sectional view of a third embodiment of a fuel injection device of the present invention.

Claims (16)

흡기관과, 관연기관의 운전 특성량에 관련하여 연료를 상기 흡기관내로 분사하는 적어도 하나의 분사 밸브와, 각 분사 밸브로 통하는 연료 공급 도관내로 연료를 압송하는 연료 공급 펌프와, 상기 연료 공급도관에 접속되어 있어 전자석을 가지는 압력조절 장치와, 내연기관의 운전 특성량에 관련하여 상기 전자석을 제어가능한 전자 제어기를 구비한, 혼합기 압축. 외부 점화식 내연기관용의 연료 분사 장치를 제어하는 방법에 있어서,At least one injection valve for injecting fuel into the intake pipe in relation to an intake pipe, an operating characteristic amount of the associated engine, a fuel supply pump for pumping fuel into a fuel supply conduit connected to each injection valve, and the fuel supply conduit And a pressure regulator having an electromagnet connected thereto, and an electronic controller capable of controlling the electromagnet in relation to an operating characteristic amount of the internal combustion engine. In a method for controlling a fuel injection device for an external ignition internal combustion engine, 제1압력 조정기(19)와 제2압력 조정기(44)로 이루어진 압력 조절장치의 제2압력 조정기(44)가, 제1압력 조정기(19)에 의해 조절되는 연료공급 도관(12)내의 연료압 보다도 높은 연료 공급도관내 연료압을 조절하고, 또 내연기관의 소정의 운전범위에 있어서만 상기 연료 공급 도관(12)내의 연료압의 조절을 상기 제2압력 조정기(44)에 의해서만 행하도록 전자석(24)이 접속되는 것을 특징으로 하는 연료분사 장치의 제어법.The second pressure regulator 44 of the pressure regulating device, which is composed of the first pressure regulator 19 and the second pressure regulator 44, is the fuel pressure in the fuel supply conduit 12 controlled by the first pressure regulator 19. The electromagnet is configured to adjust the fuel pressure in the fuel supply conduit higher than that, and to adjust the fuel pressure in the fuel supply conduit 12 only by the second pressure regulator 44 only in a predetermined operating range of the internal combustion engine. 24) is connected to the control method of the fuel injection device. 제1항에 있어서,The method of claim 1, 난기시 시동을 특성짓는 내연기관 운전 특성량의 존재시에 연료 공급 도관(12)내의 연료압의 조절을 제2압력 조정기(44)에 의해 행하는 것을 특징으로 하는 제어법.A control method characterized in that the second pressure regulator (44) adjusts the fuel pressure in the fuel supply conduit (12) in the presence of an internal combustion engine operating characteristic amount that characterizes starting during warming up. 제2항에 있어서,The method of claim 2, 난기시 시동을 특성짓는 내연기관 운전 특성량으로서, 내연기관의 냉각수 온도(34)의 값, 시동 동작의 지속 기관의 값 및 시동 실패 회수의 값을 개별적으로 또는 조합해서 사용하는 것을 특징으로 하는 제어법.A control method characterized by using, individually or in combination, the value of the coolant temperature 34 of the internal combustion engine, the value of the continuous engine of the starting operation, and the number of times of starting failure as an internal combustion engine operating characteristic quantity for characterizing starting at the time of warming up. . 제1항에 있어서,The method of claim 1, 내연기관의 난기시 시동후의 후 동작기에 있어서의 연료 공급 도관(12)내의 연료압의 조절을 제2압력 조정기(44)에 의해 행하는 것을 특징으로 하는 제어법.A control method characterized in that the second pressure regulator (44) adjusts the fuel pressure in the fuel supply conduit (12) in the post-operator after start-up of the internal combustion engine. 제4항에 있어서,The method of claim 4, wherein 난기시 시동후의 동작기의 지속 시간이, 내연기관의 냉각수 온도(34), 흡기관(25)내의 흡입 공기온도(33), 분사밸브(11)를 통하는 총연료 통과량, 분사시간의 합, 분사회수, 흡입 공기량의 합, 분사밸브(11)를 통하는 순간적 연료 통과량, 순간적 흡입공기량(31) 및 내연기관 회전수(35)와 분사시간 형성에 사용되는 펄스의 곱을 특성짓는 여러 값의 개별치에 또는 복수의 값의 조합에 관련하고 있는 것을 특징으로 하는 제어법.The duration of the actuator after start-up at the time of warming is the sum of the coolant temperature 34 of the internal combustion engine, the intake air temperature 33 in the intake pipe 25, the total amount of fuel passing through the injection valve 11, the injection time, A number of individual values that characterize the number of fractions, the sum of the intake air amounts, the instantaneous fuel passage through the injection valve 11, the instantaneous intake air amount 31 and the internal combustion engine rotational speed 35 and the product of the pulses used to form the injection time. Control method associated with a value or a combination of values. 제1항에 있어서,The method of claim 1, 연료 소요량의 증대를 특성짓는 내연기관 운전 특성량의 존재시에 연료 공급 도관(12)내의 연료압의 조절을 제2압력기(44)에 의해 행하는 것을 특징으로 하는 제어법.A control method characterized in that the second pressure device (44) adjusts the fuel pressure in the fuel supply conduit (12) in the presence of an internal combustion engine operating characteristic amount that characterizes an increase in fuel requirement. 제6항에 있어서,The method of claim 6, 연료 소요량의 증대를 특성짓는 내연기관 운전 특성량으로서, 내연기관 회전수(35), 분사밸브(11)의 분사시간 형성에 사용되는 펄스, 순간적 흡입 공기량(31), 흡기관 압력(36), 흡기관(25)내에 배치된 드로틀 밸브(28)의 조정각(39) 및 상기 드로틀밸브(28)의 전부 하 위치에 있어서의 전기 스위치(40)의 접접 폐쇄를 특성짓는 값을 사용하는 것을 특징으로하는 제어법.As the internal combustion engine operating characteristic for characterizing the increase in fuel demand, the internal combustion engine speed 35, the pulse used to form the injection time of the injection valve 11, the instantaneous intake air amount 31, the intake pipe pressure 36, It is characterized by using a value that characterizes the adjustment angle 39 of the throttle valve 28 disposed in the intake pipe 25 and the contact closure of the electric switch 40 at the full lower position of the throttle valve 28. Control method. 흡기관과, 내연기관의 운전 특성량에 관련하여 연료를 상기 흡기관 내로 분사하는 적어도 하나의 분사밸브와, 각 분사밸브로 통하는 연료 공급 도관내로 연료를 압송하는 연료 공급 펌프와, 상기 연료 공급도관에 접속되어 있어 전자석을 가지는 압력 조절장치와, 내연기관의 운전 특성량에 관련하여 상기 전자석을 제어가능한 전자제어기를 구비한, 혼합기 압축.외부 점화식 내연기관용의 연료 분사장치에 있어서, 압력조정 장치가 제1압력 조정기(19)와 제2압력 조정기(44)를 가지고, 상기 제2압력 조정기(44)가 제1압력 조정기(19)에 의해 조절되는 연료 공급 도관(12)내의 연료압 보다도 높은 연료 공급 도관내 연료압을 조절하도록 구성되어 있고, 또 소정의 내연기관 운전 특성량이 존재하는 경우에만 전자석(24)이 상기 연료 공급 도관(12)내의 연료압의 조절을 상기 제2압력 조정기(44)에 의해서만 행하도록 접속되는 것을 특징으로 하는 연료분사 장치.At least one injection valve for injecting fuel into the intake pipe in relation to an intake pipe, an operating characteristic amount of the internal combustion engine, a fuel supply pump for pumping fuel into a fuel supply conduit connected to each injection valve, and the fuel supply conduit A fuel injector for a compressor compression / externally ignition internal combustion engine, comprising: a pressure regulator having an electromagnet connected thereto, and an electronic controller capable of controlling the electromagnet in relation to an operating characteristic amount of the internal combustion engine. A fuel having a first pressure regulator 19 and a second pressure regulator 44, wherein the second pressure regulator 44 is higher than the fuel pressure in the fuel supply conduit 12 controlled by the first pressure regulator 19. The electromagnet 24 is configured to regulate the fuel pressure in the fuel supply conduit 12 only when the fuel pressure in the supply conduit is adjusted and a predetermined internal combustion engine operating characteristic amount is present. A fuel injection device, characterized in that the section is connected so as to be performed only by the second pressure regulator (44). 제8항에 있어서,The method of claim 8, 연료 공급 도관(12)과 접속된 제1압력 조정기(19)의 하류측에 제어 밸브(23)가 배치되어 있고, 상기 제어 밸브에는 전자석(24)이 관계하고 있으며, 또 제2압력 조정기(44)가 제어밸브(23)에 달하는 바이패스 도관(45)내에 배치되어 있는 것을 특징으로 하는 연료분사 장치.A control valve 23 is disposed downstream of the first pressure regulator 19 connected to the fuel supply conduit 12, and an electromagnet 24 is associated with the control valve, and the second pressure regulator 44 is provided. Is disposed in a bypass conduit (45) extending to the control valve (23). 제8항에 있어서,The method of claim 8, 제1압력 조정기(19)와 제2압력 조정기(44)가 서로 병렬로 연료 공급 도관 (12)과 접속되어 있고, 또 제1압력 조정기(19)의 하류측에는 전자석(24)이 관계하는 제어밸브(23)가 설치되어 있는 것을 특징으로하는 연료분사장치.A control valve in which the first pressure regulator 19 and the second pressure regulator 44 are connected to the fuel supply conduit 12 in parallel with each other, and the electromagnet 24 is connected downstream of the first pressure regulator 19. A fuel injection device, characterized in that 23 is provided. 제9항 또는 제10항에 있어서,The method of claim 9 or 10, 제어밸브(23)가 전자석(24)의 무통전시에 폐쇄되어 있고, 또 상기 전자석(24)의 여자시에 개방되고 있는 것을 특징으로 하는 연료분사 장치.The fuel injection device characterized in that the control valve (23) is closed at the time of no energization of the electromagnet (24) and is open at the time of excitation of the electromagnet (24). 제8항에 있어서,The method of claim 8, 연료 공급 도관(12)과 접속된 제1압력 조정기(19)의 하류측에서 연료가 유입 통로(80)로 인도되고, 상기유입 통로가 제2압력 조정기(44)의 밸브시트(82)에서 끝나게 되어 있고, 더욱이 상기 제2압력 조정기(44)의 밸브시트(82)에 밸브 폐쇄부재 (86)가 협동하고, 상기 밸브 폐쇄부재가 폐쇄 스프링(88)에 의해 상기밸브 시트 (82)쪽으로 향해 부하되고, 또 상기 유입통로(80)내의 연료의 압압력에의해 또는 전자석(24)의 가동자(84)에 의해 상기 폐쇄 스프링(88)의힘에 대항하여 상기밸브 시트(82)로부터 떨어지는 것을 특징으로하는 연료분사 장치.On the downstream side of the first pressure regulator 19, which is connected to the fuel supply conduit 12, fuel is led to the inlet passage 80, and the inlet passage ends at the valve seat 82 of the second pressure regulator 44. Furthermore, the valve closing member 86 cooperates with the valve seat 82 of the second pressure regulator 44, and the valve closing member is loaded toward the valve seat 82 by the closing spring 88. And from the valve seat 82 against the force of the closing spring 88 by the pressure of the fuel in the inflow passage 80 or by the mover 84 of the electromagnet 24. Fuel injection device. 제12항에 있어서,The method of claim 12, 제2압력 조정기(44)가 제1압력 조정기(19)의 밸브 케이싱(53)에 배치되어 있는 것을 특징으로 하는 연료분사 장치.And a second pressure regulator (44) is arranged in the valve casing (53) of the first pressure regulator (19). 제12항에 있어서,The method of claim 12, 전자석(24)의 가동자(84)가 원통형으로 구성되어 있고, 또 밸브 시트(82) 근방의 단부(85)에서 밸브 폐쇄부재(86)와 결합되어 있으며, 또 다른쪽의 단부(87)에서는 폐쇄 스프링(88)에 의해 부하되는 것을 특징으로 하는연료분사 장치.The mover 84 of the electromagnet 24 is formed in a cylindrical shape, and is coupled to the valve closing member 86 at the end 85 near the valve seat 82, and at the other end 87. A fuel injection device characterized in that it is loaded by the closing spring (88). 제14항에 있어서,The method of claim 14, 가동자(84)가 전자석(24)의 전자코일(90) 내에 침입하고 있는 것을 특징으로 하는 연료분사 장치.A fuel injection device, characterized in that the mover (84) penetrates into the electromagnetic coil (90) of the electromagnet (24). 제15항에 있어서,The method of claim 15, 가동자(84)가 밸브 폐쇄부재(86) 근방의 단부(85)에 가로구멍(92)과, 상기 가로구멍에 연통한 세로구멍(93)을 가지고, 상기 세로구멍이 폐쇄 스프링(88) 근방의 단부(87)로 향해 개구하고 있는 것을 특징으로 하는 연료분사 장치.The mover 84 has a horizontal hole 92 at an end 85 near the valve closing member 86 and a vertical hole 93 communicating with the horizontal hole, the vertical hole being near the closing spring 88. And an opening toward the end portion (87) of the fuel injection device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR870002311A 1986-03-14 1987-03-14 Control method of fuel injection device and fuel injection device KR870009119A (en)

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DE3608522.7 1986-03-14
DE19863608522 DE3608522A1 (en) 1986-03-14 1986-03-14 METHOD FOR CONTROLLING A FUEL INJECTION SYSTEM AND FUEL INJECTION SYSTEM

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FR2612257B1 (en) * 1987-03-10 1989-06-09 Renault FUEL CIRCUIT OF AN ELECTRONIC INJECTION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE
DE4308570C2 (en) * 1993-03-18 1994-06-30 Bayerische Motoren Werke Ag Disturbance air valve for an internal combustion engine
DE4443836A1 (en) * 1994-12-09 1996-06-13 Bosch Gmbh Robert Combustion engine fuel supply appts.
DE19714436A1 (en) * 1997-04-08 1998-10-15 Bosch Gmbh Robert Gas routing system of an internal combustion engine
DE10005471A1 (en) * 2000-02-08 2001-08-09 Bayerische Motoren Werke Ag Fuel supply system for IC engine has pressure regulator inserted in fuel line with input control pressure for pressure regulator obtained from feedback line leading to fuel tank
DE10061856A1 (en) * 2000-12-12 2002-06-27 Bosch Gmbh Robert Method, computer program and control and / or regulating device for operating an internal combustion engine and internal combustion engine
DE102005001577B4 (en) * 2005-01-13 2017-04-06 Robert Bosch Gmbh Method and device for controlling an internal combustion engine
JP5126538B2 (en) * 2008-12-11 2013-01-23 スズキ株式会社 Vehicle control device

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JPS6115248Y2 (en) * 1981-01-12 1986-05-12
JPS5943932A (en) * 1982-09-02 1984-03-12 Mitsubishi Electric Corp Engine fuel pressure regulator
JPS59188064A (en) * 1983-04-08 1984-10-25 Isuzu Motors Ltd Fuel supply device for internal-combustion engine
JPS60116852A (en) * 1983-11-28 1985-06-24 Nissan Shatai Co Ltd Fuel pressure controlling apparatus for fuel injection engine
JPS60116851A (en) * 1983-11-29 1985-06-24 Nissan Shatai Co Ltd Fuel pressure controlling apparatus for fuel injection engine
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