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KR102086630B1 - Electric diesel engine-driven electricity generation system capable of keeping constant revolution per minute of common rail direct injection diesel engine from scrapped vehicle - Google Patents

Electric diesel engine-driven electricity generation system capable of keeping constant revolution per minute of common rail direct injection diesel engine from scrapped vehicle Download PDF

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KR102086630B1
KR102086630B1 KR1020160098494A KR20160098494A KR102086630B1 KR 102086630 B1 KR102086630 B1 KR 102086630B1 KR 1020160098494 A KR1020160098494 A KR 1020160098494A KR 20160098494 A KR20160098494 A KR 20160098494A KR 102086630 B1 KR102086630 B1 KR 102086630B1
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common rail
diesel engine
rpm
rail diesel
generator
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KR20180014976A (en
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김승철
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주식회사 이노비
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F01N13/10—Other arrangements or adaptations of exhaust conduits of exhaust manifolds
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/104—Intake manifolds
    • 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
    • F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
    • 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
    • F02M37/0047—Layout or arrangement of systems for feeding fuel

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Transportation (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)

Abstract

본 발명에 따른 폐차 커먼레일 디젤 엔진 RPM 유지가 가능한 전자식 엔진 발전 시스템은, 발전기에 걸리는 부하에 따라, 인젝터의 경유 분사량을 조절하여, 커먼레일 디젤 엔진 RPM을 일정하게 유지시킨다. 따라서, 발전기의 출력이 일정하게 유지될 수 있어 발전성능이 일정하게 유지된다.
본 발명은, 제어부가 전자제어유닛을 직접 제어하는 것이 아닌, 엑셀레이터 작동 엑츄에이터를 작동시켜 엑셀레이터의 밟힘 정도를 조절함으로써, 분사량을 간접적으로 조절한다. 따라서, 암호화되고 복잡하게 프로그래밍 된 전자제어유닛을 개조하지 않고, 폐차에서 뜯어낸 상태 그대로 사용할 수 있어, 전자제어유닛의 개조 시간 및 개조비용을 절감할 수 있다.
본 발명은, 일반 디젤 엔진이 아닌 커먼레일 디젤 엔진을 사용하므로, 커먼레일 디젤 엔진이 가지는 기본적인 고출력, 고연비, 배출가스 저감 특성을 그대로 누릴 수 있다.The electronic engine power generation system capable of maintaining the junk car common rail diesel engine RPM according to the present invention controls the diesel injection amount of the injector according to the load applied to the generator, thereby maintaining the common rail diesel engine RPM constant. Therefore, the output of the generator can be kept constant, the power generation performance is kept constant.
The present invention controls the injection amount indirectly by operating the accelerator operation actuator and adjusting the stepping amount of the accelerator, rather than directly controlling the electronic control unit. Therefore, the electronic control unit can be used as it is, without modification of the encrypted and complicatedly programmed electronic control unit, and can be used as it is.
Since the present invention uses a common rail diesel engine instead of a general diesel engine, it is possible to enjoy the basic high power, high fuel consumption, and emission reduction characteristics of the common rail diesel engine.

Description

폐차 커먼레일 디젤 엔진 RPM 유지가 가능한 전자식 엔진 발전 시스템{ELECTRIC DIESEL ENGINE-DRIVEN ELECTRICITY GENERATION SYSTEM CAPABLE OF KEEPING CONSTANT REVOLUTION PER MINUTE OF COMMON RAIL DIRECT INJECTION DIESEL ENGINE FROM SCRAPPED VEHICLE}ELECTRIC DIESEL ENGINE-DRIVEN ELECTRICITY GENERATION SYSTEM CAPABLE OF KEEPING CONSTANT REVOLUTION PER MINUTE OF COMMON RAIL DIRECT INJECTION DIESEL ENGINE FROM SCRAPPED VEHICLE}

본 발명은 디젤 엔진 발전기에 관한 것이다.The present invention relates to a diesel engine generator.

전기 사용량의 급증과 전기 생산의 어려움으로 인해, 국내뿐만 아니라 전 세계적으로도 자가발전의 필요성이 커지고 있다.Due to the rapid increase in the amount of electricity used and the difficulty of producing electricity, the need for self-generation is increasing not only in Korea but also in the world.

특히, 국내의 경우, 피크치에 의한 전기세 가산과 사용량 증대에 따른 가중치 적용으로 인해, 전기료가 기본요금에 비해 최대 5배 이상 증가하는 경우가 발생하고 있어, 자가발전의 필요성이 더욱 커지고 있다.In particular, in the case of Korea, due to the increase in the electricity bill by the peak value and the application of the weight according to the increase in the amount of use, the rate of electricity is increased up to five times or more compared to the base rate, the need for self-generation is increasing.

이러한 자가발전을 위해서, 최근 디젤 엔진을 이용한 발전기가 사용되고 있다.For this self-power generation, a generator using a diesel engine has recently been used.

디젤 엔진을 이용한 발전기는 기계식 엔진 발전기와 전자식 엔진 발전기로 구분된다.Generators using diesel engines are divided into mechanical engine generators and electronic engine generators.

기계식 엔진 발전기는 전자식 엔진 발전기에 비해 가격은 저렴하나, 연비와 성능이 떨어지고 배출가스의 규제수준을 맞추기 어렵다.Mechanical engine generators are less expensive than electronic engine generators, but they have lower fuel economy and performance and are less likely to meet emission levels.

전자식 엔진 발전기는 기계식 엔진 발전기에 비해 연비와 성능이 우수하고 배출가스의 규제수준을 맞출 수 있으나, 가격이 비싸고 공급이 원활하지 못하다는 문제점을 가진다.Electronic engine generators have better fuel economy and performance than mechanical engine generators and can meet emission levels, but they are expensive and supply is not smooth.

이러한 문제점을 해결하기 위하여, 본 출원인은 폐차된 디젤 차량으로부터 디젤 엔진을 회수하여, 전자식 엔진 발전 시스템(한국등록특허(10-1544433) 참조)을 만들었다.In order to solve this problem, the present applicant recovers a diesel engine from an abandoned diesel vehicle, and made an electronic engine power generation system (see Korean Patent Registration No. 10-1544433).

본 출원인의 전자식 엔진 발전 시스템은, 기계식 엔진 발전기 수준으로 가격이 저렴하고, 전자식 엔진 발전기 수준으로 연비와 성능이 좋고, 배출가스의 규제수준을 맞출 수 있다.Applicant's electronic engine power generation system, the price is cheaper than the mechanical engine generator level, the fuel economy and performance is good at the level of the electronic engine generator, it is possible to meet the regulation level of the exhaust gas.

그러나, 본 출원인의 전자식 엔진 발전 시스템은, 발전기에 걸리는 부하가 달라졌을 때, 엔진 RPM이 변하는 문제점을 가지고 있다. 이로 인해, 발전기에 공급되는 엔진 RPM이 일정하지 못해, 발전기의 성능이 떨어졌다.However, the applicant's electronic engine power generation system has a problem that the engine RPM changes when the load on the generator is changed. As a result, the engine RPM supplied to the generator was not constant, and the performance of the generator was reduced.

한국등록특허(10-1544433)Korea Patent Registration (10-1544433)

본 발명의 목적은, 발전기에 걸리는 부하가 달라져도, 엔진 RPM이 설정된 RPM으로 일정하게 유지(정속)될 수 있는 전자식 엔진 발전 시스템을 제공하는 데 있다.An object of the present invention is to provide an electronic engine power generation system that can be maintained constant (constant speed) at a predetermined RPM even if the load on the generator is different.

상기 목적을 달성하기 위한 폐차 커먼레일 디젤 엔진 RPM 유지가 가능한 전자식 엔진 발전 시스템은,Electronic engine power generation system capable of maintaining the RPM of the junk car common rail diesel engine to achieve the above object,

폐차된 커먼레일 디젤 차량으로부터 회수된 커먼레일 디젤 엔진;A common rail diesel engine recovered from the abandoned common rail diesel vehicle;

상기 커먼레일 디젤 엔진에 연결되어 전기를 생산하는 발전기;A generator connected to the common rail diesel engine to produce electricity;

상기 커먼레일 디젤 엔진 RPM을 측정하는 RPM센서;RPM sensor for measuring the common rail diesel engine RPM;

상기 발전기에서 발생하는 전류를 측정하는 전류측정기;A current meter for measuring current generated from the generator;

상기 발전기에서 발생하는 전압을 측정하는 전압측정기;A voltage meter for measuring a voltage generated by the generator;

상기 발전기에서 발생하는 주파수를 측정하는 주파수측정기;A frequency meter for measuring a frequency generated by the generator;

상기 커먼레일 디젤 엔진에 공급되는 경유를 저장하는 연료탱크;A fuel tank for storing diesel fuel supplied to the common rail diesel engine;

상기 연료탱크와 상기 커먼레일 디젤 엔진의 인젝터를 연결하며, 저압펌프, 연료필터, 고압펌프, 커먼레일이 차례로 설치된 연료공급관;A fuel supply pipe connecting the fuel tank and the injector of the common rail diesel engine and having a low pressure pump, a fuel filter, a high pressure pump, and a common rail installed in this order;

상기 커먼레일과 상기 연료탱크를 연결하는 연료회수관;A fuel recovery pipe connecting the common rail and the fuel tank;

외기를 흡입하여 상기 커먼레일 디젤 엔진의 실린더 내부에 공급하는 흡기관;An intake pipe for sucking outside air and supplying the inside of the cylinder of the common rail diesel engine;

상기 커먼레일 디젤 엔진의 작동 시 발생하는 상기 실린더 내부의 가스를 외부로 배출하는 배기관; 및An exhaust pipe for discharging gas inside the cylinder generated when the common rail diesel engine is operated to the outside; And

상기 RPM센서로부터 상기 커먼레일 디젤 엔진의 RPM값을 받고, 상기 전류측정기로부터 상기 발전기에서 발생하는 전류값을 받고, 상기 전압측정기로부터 상기 발전기에서 발생하는 전압값을 받고, 상기 주파수측정기로부터 상기 발전기에서 발생하는 주파수값을 받아, 상기 커먼레일 디젤 엔진 RPM이 설정된 엔진 RPM으로 유지되도록, 엑셀레이터 작동 엑츄에이터를 작동시킴으로써, 전자제어유닛이 직접 조절하는 인젝터의 경유 분사량을 간접적으로 조절하는 제어부;를 포함하는 것을 특징으로 한다.Receives the RPM value of the common rail diesel engine from the RPM sensor, receives the current value generated in the generator from the current meter, receives the voltage value generated in the generator from the voltage meter, from the frequency meter to the generator And a controller for indirectly adjusting the diesel injection amount of the injector directly controlled by the electronic control unit by operating an accelerator operating actuator so that the common rail diesel engine RPM is maintained at a set engine RPM. It features.

본 발명은, 발전기에 걸리는 부하에 따라, 인젝터의 경유 분사량을 조절하여, 커먼레일 디젤 엔진 RPM을 일정하게 유지시킨다. 따라서, 발전기의 출력이 일정하게 유지될 수 있어 발전성능이 일정하게 유지된다.According to the present invention, the amount of diesel injection of the injector is adjusted according to the load on the generator to keep the common rail diesel engine RPM constant. Therefore, the output of the generator can be kept constant, the power generation performance is kept constant.

본 발명은, 제어부가 전자제어유닛을 직접 제어하는 것이 아닌, 엑셀레이터 작동 엑츄에이터를 작동시켜 엑셀레이터의 밟힘 정도를 조절함으로써, 분사량을 간접적으로 조절한다. 따라서, 암호화되고 복잡하게 프로그래밍 된 전자제어유닛을 개조하지 않고, 폐차에서 뜯어낸 상태 그대로 사용할 수 있어, 전자제어유닛의 개조 시간 및 개조비용을 절감할 수 있다.The present invention controls the injection amount indirectly by operating the accelerator operation actuator and adjusting the stepping amount of the accelerator, rather than directly controlling the electronic control unit. Therefore, the electronic control unit can be used as it is, without modification of the encrypted and complicatedly programmed electronic control unit, and can be used as it is.

본 발명은, 일반 디젤 엔진이 아닌 커먼레일 디젤 엔진을 사용하므로, 커먼레일 디젤 엔진이 가지는 기본적인 고출력, 고연비, 배출가스 저감 특성을 그대로 누릴 수 있다.Since the present invention uses a common rail diesel engine instead of a general diesel engine, it is possible to enjoy the basic high power, high fuel consumption, and emission reduction characteristics of the common rail diesel engine.

도 1은, 본 발명의 일 실시예에 따른 폐차 커먼레일 디젤 엔진 RPM 유지가 가능한 전자식 엔진 발전 시스템의 전체 구성도이다.
도 2는, 발전기에 걸리는 부하가 증가하여 커먼레일 디젤 엔진 RPM이 감소하였을 때, 감소된 엔진 RPM을 설정된 엔진 RPM으로 맞추기 위한 방법을 나타낸 순서도이다.
도 3은, 발전기에 걸리는 부하가 감소하여 커먼레일 디젤 엔진 RPM이 증가하였을 때, 증가된 엔진 RPM을 설정된 엔진 RPM으로 맞추기 위한 방법을 나타낸 순서도이다.1 is an overall configuration diagram of an electronic engine power generation system capable of maintaining RPM of a common rail diesel engine according to an embodiment of the present invention.
2 is a flow chart illustrating a method for adjusting the reduced engine RPM to a set engine RPM when the load on the generator is increased and the common rail diesel engine RPM is decreased.
3 is a flowchart illustrating a method for adjusting the increased engine RPM to a set engine RPM when the load on the generator decreases and the common rail diesel engine RPM increases.

이하, 본 발명의 일 실시예에 따른 폐차 커먼레일 디젤 엔진 RPM 유지가 가능한 전자식 엔진 발전 시스템을 자세히 설명한다.Hereinafter, an electronic engine power generation system capable of maintaining a junk car common rail diesel engine RPM according to an embodiment of the present invention will be described in detail.

도 1에 도시된 바와 같이, 본 발명의 일 실시예에 따른 폐차 커먼레일 디젤 엔진 RPM 유지가 가능한 전자식 엔진 발전 시스템(1)은, 커먼레일 디젤 엔진(10), 발전기(20), RPM센서(31), 전류측정기(32), 전압측정기(33), 주파수측정기(34), 연료탱크(40), 연료공급관(50), 연료회수관(70), 흡기관(80), 배기관(90), 제어부(100), 엑셀레이터 작동 엑츄에이터(110), 엑셀레이터(120), 전자제어유닛(130)으로 구성된다.As shown in FIG. 1, the electronic engine power generation system 1 capable of maintaining the RPM of a junk car common rail diesel engine according to an embodiment of the present invention includes a common rail diesel engine 10, a generator 20, and an RPM sensor ( 31), current measuring device 32, voltage measuring device 33, frequency measuring device 34, fuel tank 40, fuel supply pipe 50, fuel recovery pipe 70, intake pipe 80, exhaust pipe 90 , The control unit 100, the accelerator operation actuator 110, the accelerator 120, and the electronic control unit 130.

커먼레일 디젤 엔진(10)은 폐차된 차량으로부터 회수된다. 커먼레일 디젤 엔진(10)은 일반 디젤엔진 보다 고압으로 연료를 실린더에 직접 분사한다. 이로 인해, 일반 디젤엔진에 비해 출력이 높아 완전 연소가 가능하다. 또한, 배기가스가 적고 연비가 좋다.The common rail diesel engine 10 is recovered from an abandoned vehicle. The common rail diesel engine 10 directly injects fuel into a cylinder at a higher pressure than a general diesel engine. As a result, the output is higher than that of a general diesel engine, thus allowing complete combustion. In addition, the exhaust gas is low and fuel economy is good.

커먼레일 디젤 엔진(10)은, 실린더(11), 피스톤(12), 흡기밸브(13), 인젝터(14), 배기밸브(16), 크랭크축(17), 크랭크케이스(18), 오일팬(19)으로 구성된다.The common rail diesel engine 10 includes a cylinder 11, a piston 12, an intake valve 13, an injector 14, an exhaust valve 16, a crankshaft 17, a crankcase 18 and an oil pan. It consists of 19.

인젝터(14)는 흡기관(80) 내측에 삽입되어 연료를 분사한다.The injector 14 is inserted inside the intake pipe 80 to inject fuel.

커먼레일 디젤 엔진(10)의 구성 및 작동은 공지된 기술이므로, 더 자세한 설명은 생략한다.Since the configuration and operation of the common rail diesel engine 10 is a known technique, a detailed description thereof will be omitted.

본 실시예는 배기량 2.9L 커먼레일 디젤 엔진(10)을 사용한다. 그 이유는, 배기량 2.9L 커먼레일 디젤 엔진이 장착된 차량이 가장 많이 폐차되어, 배기량 2.9L 커먼레일 디젤 엔진을 가장 쉽게 구할 수 있기 때문이다.This embodiment uses a displacement 2.9L common rail diesel engine 10. The reason is that the vehicle equipped with the displacement 2.9L common rail diesel engine is most scrapped, so that the displacement 2.9L common rail diesel engine can be obtained most easily.

발전기(20)는 커먼레일 디젤 엔진(10)에 연결되어 전기를 생산한다. 생산된 전기는 ESS(ENERGY STORAGE SYSTEM, 21)에 저장된다. 본 실시예에서 발전기(20)는 1800RPM에서 60Hz 전기를 생산한다. 이러한 발전기(20)를 사용하는 이유는 국내 상용 전기의 주파수가 60Hz 이기 때문이다.The generator 20 is connected to the common rail diesel engine 10 to produce electricity. The electricity generated is stored in the ESS (ENERGY STORAGE SYSTEM, 21). In this embodiment, the generator 20 produces 60 Hz electricity at 1800 RPM. The reason for using such a generator 20 is because the frequency of domestic commercial electricity is 60 Hz.

RPM센서(31)는 커먼레일 디젤 엔진(10)의 RPM을 감지한다. RPM센서(31)는 감지된 RPM값을 제어부(100)에 보낸다.RPM sensor 31 detects the RPM of the common rail diesel engine (10). The RPM sensor 31 sends the detected RPM value to the controller 100.

전류측정기(32)는 발전기(20)에서 발생하는 전류를 측정한다. 전류측정기(32)는 측정된 전류값을 제어부(100)에 보낸다.The current meter 32 measures the current generated by the generator 20. The current meter 32 sends the measured current value to the controller 100.

전압측정기(33)는 발전기(20)에서 발생하는 전압을 측정한다. 전압측정기(33)는 측정된 전압값을 제어부(100)에 보낸다.The voltage meter 33 measures the voltage generated by the generator 20. The voltage meter 33 sends the measured voltage value to the controller 100.

주파수측정기(34)는 발전기(20)에서 발생하는 주파수를 측정한다. 주파수측정기(34)는 측정된 주파수값을 제어부(100)에 보낸다.The frequency meter 34 measures the frequency generated by the generator 20. The frequency measuring unit 34 transmits the measured frequency value to the control unit 100.

연료탱크(40)는 커먼레일 디젤 엔진(10)에 공급되는 경유를 저장한다.The fuel tank 40 stores gas oil supplied to the common rail diesel engine 10.

연료공급관(50)은 연료탱크(40)와 커먼레일 디젤 엔진(10)의 인젝터(14)를 연결한다. 연료공급관(50)에는 저압펌프(51), 연료필터(52), 고압펌프(53), 커먼레일(54)이 차례대로 설치된다. 연료공급관(50)은 연료탱크(40)에 저장된 경유를 커먼레일 디젤 엔진(10)에 공급한다.The fuel supply pipe 50 connects the fuel tank 40 and the injector 14 of the common rail diesel engine 10. The low pressure pump 51, the fuel filter 52, the high pressure pump 53, and the common rail 54 are sequentially installed in the fuel supply pipe 50. The fuel supply pipe 50 supplies diesel oil stored in the fuel tank 40 to the common rail diesel engine 10.

연료회수관(60)은 커먼레일(54)과 연료탱크(40)를 연결한다. 연료회수관(60)은 커먼레일 디젤 엔진(10)에 공급되고 남은 경유를 연료탱크(40)로 회수한다.The fuel recovery pipe 60 connects the common rail 54 and the fuel tank 40. The fuel recovery pipe 60 recovers the remaining light oil supplied to the common rail diesel engine 10 to the fuel tank 40.

흡기관(80)은 외기를 흡입하여 커먼레일 디젤 엔진(10)의 실린더(11) 내부로 공급한다. 흡기관(80)은 실린더(11)의 상부 좌측에 연결된다. 흡기관(80)은 흡기밸브(13)에 의해 개폐된다.The intake pipe 80 sucks outside air and supplies it to the cylinder 11 of the common rail diesel engine 10. The intake pipe 80 is connected to the upper left side of the cylinder 11. The intake pipe 80 is opened and closed by the intake valve 13.

배기관(90)은 커먼레일 디젤 엔진(10)의 작동 시 발생하는 실린더(11) 내부의 가스를 외부로 배출한다. 배기관(90)은 실린더(11)의 상부 우측에 연결된다. 배기관(90)은 배기밸브(16)의 의해 개폐된다.The exhaust pipe 90 discharges gas inside the cylinder 11 generated when the common rail diesel engine 10 is operated to the outside. The exhaust pipe 90 is connected to the upper right side of the cylinder 11. The exhaust pipe 90 is opened and closed by the exhaust valve 16.

제어부(100)는 RPM센서(31)로부터 커먼레일 디젤 엔진(10)의 RPM값을 받고, 전류측정기(32)로부터 발전기(20)에서 발생하는 전류값을 받고, 전압측정기(33)로부터 발전기(20)에서 발생하는 전압값을 받고, 주파수측정기(34)로부터 발전기(20)에서 발생하는 주파수값을 받아, 커먼레일 디젤 엔진(10)의 RPM이 설정된 RPM으로 유지되도록, 엑셀레이터 작동 엑츄에이터(110)를 작동시킴으로써, 전자제어유닛(130)이 직접 조절하는 인젝터의 경유 분사량을 간접적으로 조절한다. 엑셀레이터 작동 엑츄에이터(110)는 엑셀레이터(120)를 작동시킨다.The control unit 100 receives the RPM value of the common rail diesel engine 10 from the RPM sensor 31, receives the current value generated in the generator 20 from the current meter 32, and the generator (from the voltage meter 33). Accelerator operation actuator 110 to receive the voltage value generated in the 20), receives the frequency value generated in the generator 20 from the frequency meter 34, the RPM of the common rail diesel engine 10 is maintained at the set RPM By operating the, the indirect control of the diesel injection amount of the injector directly controlled by the electronic control unit 130. Accelerator Operation The actuator 110 operates the accelerator 120.

이하, 커먼레일 디젤 엔진(10)의 RPM을 설정된 RPM으로 유지시키는 방법을 자세히 설명한다.Hereinafter, a method of maintaining the RPM of the common rail diesel engine 10 at the set RPM will be described in detail.

도 2에 도시된 바와 같이, 용접작업, 전열기 가동으로 인해, 발전기(20)에 걸리는 부하가 증가하면, 커먼레일 디젤 엔진(10)의 RPM은 감소한다. 커먼레일 디젤 엔진(10)의 RPM이 감소하면, 발전기(20)에서 발생하는 전류는 약해지고, 발전기(20)에서 발생하는 전압은 출렁이면서 떨어지고, 발전기(20)에서 발생하는 주파수는 떨어진다.As shown in FIG. 2, due to the welding operation and the heating operation, as the load on the generator 20 increases, the RPM of the common rail diesel engine 10 decreases. When the RPM of the common rail diesel engine 10 decreases, the current generated in the generator 20 is weakened, the voltage generated in the generator 20 drops while falling, and the frequency generated in the generator 20 drops.

RPM센서(31)는 커먼레일 디젤 엔진(10)의 RPM을 감지하여, 제어부(100)에 RPM값으로 보낸다. 전류측정기(32)는 발전기(20)에서 발생하는 전류를 측정하여, 제어부(100)에 전류값으로 보낸다. 전압측정기(33)는 발전기(20)에서 발생하는 전압을 측정하여, 제어부(100)에 전압값으로 보낸다. 주파수측정기(34)는 발전기(20)에서 발생하는 주파수를 측정하여, 제어부(100)에 주파수값으로 보낸다.The RPM sensor 31 detects the RPM of the common rail diesel engine 10 and sends the RPM to the controller 100. The current meter 32 measures the current generated by the generator 20 and sends it to the controller 100 as a current value. The voltage meter 33 measures the voltage generated by the generator 20 and sends it to the controller 100 as a voltage value. The frequency meter 34 measures the frequency generated by the generator 20 and sends it to the controller 100 as a frequency value.

RPM값, 전류값, 전압값, 주파수값을 받은 제어부(100)는, 커먼레일 디젤 엔진(10)의 RPM이 설정된 엔진 RPM(1800RPM)으로 유지되도록, 엑셀레이터 작동 엑츄에이터(110)를 작동시켜 엑셀레이터(120)를 더 밟게 만든다.The controller 100 receiving the RPM value, the current value, the voltage value, and the frequency value operates the accelerator operation actuator 110 so that the RPM of the common rail diesel engine 10 is maintained at the set engine RPM (1800 RPM). 120)

엑셀레이터(120)가 더 밟히면, 전자제어유닛(130)은 인젝터(14)에 많은 양의 경유를 분사하도록 지시한다.When the accelerator 120 is further depressed, the electronic control unit 130 instructs the injector 14 to inject a large amount of diesel oil.

인젝터(14)가 많은 양의 경유를 분사한 후 측정된 엔진 RPM이, 설정된 엔진 RPM(1800RPM)과 같아지면, 연료분사량 증가를 멈춘다.When the engine RPM measured after the injector 14 injects a large amount of diesel oil is equal to the set engine RPM (1800 RPM), the fuel injection amount stops increasing.

그러나, 측정된 엔진 RPM이 설정된 엔진 RPM(1800RPM) 보다 여전히 작으면, 측정된 엔진 RPM이 설정된 엔진 RPM과 같아질 때까지, 제어부(100)는 엑셀레이터 작동 엑츄에이터(110)를 작동시켜 엑셀레이터(120)를 더욱 더 밟게 만든다. 엑셀레이터(120)가 더욱 더 밟히면, 전자제어유닛(130)은 인젝터(14)에 더욱 더 많은 양의 경유를 분사하도록 지시한다.However, if the measured engine RPM is still smaller than the set engine RPM (1800 RPM), the controller 100 operates the accelerator operation actuator 110 to operate the accelerator 120 until the measured engine RPM is equal to the set engine RPM. Makes you step on more and more. As the accelerator 120 is stepped on further, the electronic control unit 130 instructs the injector 14 to inject a larger amount of diesel.

이렇게 엑셀레이터(120)의 밟힘 정도를 점점 증가시키는 작업은, 측정된 엔진 RPM이 설정된 엔진 RPM(1800RPM)과 같아질 때까지 계속된다.The operation of gradually increasing the degree of stepping of the accelerator 120 continues until the measured engine RPM becomes equal to the set engine RPM (1800 RPM).

도 3에 도시된 바와 같이, 용접작업중단, 전열기 가동중단으로 인해, 발전기(20)에 걸리는 부하가 감소하면, 커먼레일 디젤 엔진(10)의 RPM은 증가한다. 커먼레일 디젤 엔진(10)의 RPM이 증가하면, 발전기(20)에서 발생하는 전류는 세지고, 발전기(20)에서 발생하는 전압은 출렁이면서 올라가고, 발전기(20)에서 발생하는 주파수는 올라간다.As shown in FIG. 3, when the load on the generator 20 decreases due to the welding stop and the heater stop, the RPM of the common rail diesel engine 10 increases. When the RPM of the common rail diesel engine 10 increases, the current generated by the generator 20 is increased, the voltage generated by the generator 20 rises while rising, and the frequency generated by the generator 20 increases.

RPM센서(31)는 커먼레일 디젤 엔진(10)의 RPM을 감지하여, 제어부(100)에 RPM값으로 보낸다. 전류측정기(32)는 발전기(20)에서 발생하는 전류를 측정하여, 제어부(100)에 전류값으로 보낸다. 전압측정기(33)는 발전기(20)에서 발생하는 전압을 측정하여, 제어부(100)에 전압값으로 보낸다. 주파수측정기(34)는 발전기(20)에서 발생하는 주파수를 측정하여, 제어부(100)에 주파수값으로 보낸다.The RPM sensor 31 detects the RPM of the common rail diesel engine 10 and sends the RPM to the controller 100. The current meter 32 measures the current generated by the generator 20 and sends it to the controller 100 as a current value. The voltage meter 33 measures the voltage generated by the generator 20 and sends the voltage to the controller 100. The frequency meter 34 measures the frequency generated by the generator 20 and sends it to the controller 100 as a frequency value.

RPM값, 전류값, 전압값, 주파수값을 받은 제어부(100)는, 커먼레일 디젤 엔진(10)의 RPM이 설정된 엔진 RPM(1800RPM)으로 유지되도록, 엑셀레이터 작동 엑츄에이터(110)를 작동시켜 엑셀레이터(120)를 덜 밟게 만든다.The controller 100 receiving the RPM value, the current value, the voltage value, and the frequency value operates the accelerator operation actuator 110 so that the RPM of the common rail diesel engine 10 is maintained at the set engine RPM (1800 RPM). 120) to step on less.

엑셀레이터(120)가 덜 밟히면, 전자제어유닛(130)은 인젝터(14)에 적은 양의 경유를 분사하도록 지시한다.When the accelerator 120 is less stepped on, the electronic control unit 130 instructs the injector 14 to inject a small amount of light oil.

인젝터(14)가 적은 양의 경유를 분사한 후 측정된 엔진 RPM이, 설정된 엔진 RPM(1800RPM)과 같아지면, 연료분사량 감소를 멈춘다.When the measured engine RPM equals the set engine RPM (1800 RPM) after the injector 14 injects a small amount of light oil, the fuel injection amount decreases.

그러나, 측정된 엔진 RPM이 설정된 엔진 RPM(1800RPM) 보다 여전히 크면, 측정된 엔진 RPM이 설정된 엔진 RPM과 같아질 때까지, 제어부(100)는 엑셀레이터 작동 엑츄에이터(110)를 작동시켜 엑셀레이터(120)를 더욱 덜 밟게 만든다. 엑셀레이터(120)가 더욱 덜 밟히면, 전자제어유닛(130)은 인젝터(14)에 더욱 더 적은 양의 경유를 분사하도록 지시한다.However, if the measured engine RPM is still greater than the set engine RPM (1800 RPM), the control unit 100 operates the accelerator operation actuator 110 to operate the accelerator 120 until the measured engine RPM is equal to the set engine RPM. Makes you step on less. When the accelerator 120 is stepped on less, the electronic control unit 130 instructs the injector 14 to inject even smaller amounts of diesel.

이렇게 엑셀레이터(120)의 밟힘 정도를 점점 감소시키는 작업은, 측정된 엔진 RPM이 설정된 엔진 RPM(1800RPM)과 같아질 때까지 계속된다.The operation of gradually reducing the degree of stepping of the accelerator 120 is continued until the measured engine RPM becomes equal to the set engine RPM (1800 RPM).

1: 폐차 커먼레일 디젤 엔진 RPM 유지가 가능한 전자식 엔진 발전 시스템
10: 커먼레일 디젤 엔진 20: 발전기
31: RPM센서 32: 전류측정기
33: 전압측정기 34: 주파수측정기
40: 연료탱크 50: 연료공급관
60: 연료회수관 80: 흡기관
90: 배기관 100: 제어부
110: 엑셀레이터 작동 엑츄에이터 120: 엑셀레이터
130: 전자제어유닛1: Electronic Engine Power Generation System for Maintaining Common Vehicle Diesel Engine RPM
10: common rail diesel engine 20: generator
31: RPM sensor 32: current meter
33: voltage meter 34: frequency meter
40: fuel tank 50: fuel supply pipe
60: fuel return pipe 80: intake pipe
90: exhaust pipe 100: control unit
110: accelerator operation actuator 120: accelerator
130: electronic control unit

Claims (5)

폐차된 커먼레일 디젤 차량으로부터 회수된 커먼레일 디젤 엔진과, 상기 커먼레일 디젤 엔진에 연결되어 전기를 생산하는 발전기와, 상기 커먼레일 디젤 엔진에 공급되는 경유를 저장하는 연료탱크와, 상기 연료탱크와 상기 커먼레일 디젤 엔진의 인젝터를 연결하며, 저압펌프, 연료필터, 고압펌프, 커먼레일이 차례로 설치된 연료공급관과, 상기 커먼레일과 상기 연료탱크를 연결하는 연료회수관과, 외기를 흡입하여 상기 커먼레일 디젤 엔진의 실린더 내부에 공급하는 흡기관과, 상기 커먼레일 디젤 엔진의 작동 시 발생하는 상기 실린더 내부의 가스를 외부로 배출하는 배기관을 포함하는 엔진 발전 시스템에 있어서,
암호화되고 복잡하게 프로그래밍 된 상기 폐차된 커먼레일 디젤 차량으로부터 회수된 전자제어유닛을 전혀 개조하지 않고, 상기 발전기에 걸리는 부하에 따라, 상기 인젝터의 경유 분사량을 조절하며, 상기 커먼레일 디젤 엔진의 RPM을 일정하게 유지시키기 위해,
상기 커먼레일 디젤 엔진 RPM을 측정하는 RPM센서와, 상기 발전기에서 발생하는 전류를 측정하는 전류측정기와, 상기 발전기에서 발생하는 전압을 측정하는 전압측정기와, 상기 발전기에서 발생하는 주파수를 측정하는 주파수측정기와,
상기 RPM센서로부터 상기 커먼레일 디젤 엔진의 RPM값을 받고, 상기 전류측정기로부터 상기 발전기에서 발생하는 전류값을 받고, 상기 전압측정기로부터 상기 발전기에서 발생하는 전압값을 받고, 상기 주파수측정기로부터 상기 발전기에서 발생하는 주파수값을 받아, 상기 커먼레일 디젤 엔진의 RPM이 설정된 엔진 RPM이 되게 만드는, 상기 폐차된 커먼레일 디젤 차량에서 회수된 전자제어유닛과는 전혀 별개의 제어부와,
상기 제어부의 지시를 받아, 상기 폐차의 엑셀레이터를 밟아 주는 엑셀레이터 작동 엑츄에이터를 포함하며,
상기 제어부는, 상기 발전기에 걸리는 부하가 커져 상기 커먼레일 디젤 엔진의 RPM이 감소하면, 상기 커먼레일 디젤 엔진의 측정된 RPM이 설정된 엔진 RPM과 같아질 때까지, 상기 엑셀레이터 작동 엑츄에이터를 작동시켜, 상기 폐차의 엑셀레이터의 밟힘 정도를 점점 증가시키며,
상기 제어부는, 상기 발전기에 걸리는 부하가 작아져 상기 커먼레일 디젤 엔진의 RPM이 증가하면, 상기 커먼레일 디젤 엔진의 측정된 RPM이 설정된 엔진 RPM과 같아질 때까지, 상기 엑셀레이터 작동 엑츄에이터를 작동시켜, 상기 폐차의 엑셀레이터의 밟힘 정도를 점점 감소시키는 것을 특징으로 하는 폐차 커먼레일 디젤 엔진 RPM 유지가 가능한 전자식 엔진 발전 시스템.A common rail diesel engine recovered from the abandoned common rail diesel vehicle, a generator connected to the common rail diesel engine to generate electricity, a fuel tank for storing diesel fuel supplied to the common rail diesel engine, and the fuel tank; A fuel supply pipe connecting the injector of the common rail diesel engine, a low pressure pump, a fuel filter, a high pressure pump, and a common rail are sequentially installed, a fuel recovery pipe connecting the common rail and the fuel tank, and suction the outside air to inhale the common air. In the engine power generation system including an intake pipe for supplying the inside of the cylinder of the rail diesel engine, and an exhaust pipe for discharging the gas inside the cylinder generated during operation of the common rail diesel engine to the outside,
Without modifying the encrypted and complicatedly programmed electronic control unit recovered from the scrapped common rail diesel vehicle, the diesel injection volume of the injector is adjusted according to the load on the generator, and the RPM of the common rail diesel engine is adjusted. To keep it constant,
An RPM sensor for measuring the common rail diesel engine RPM, a current meter for measuring the current generated by the generator, a voltage meter for measuring the voltage generated by the generator, and a frequency meter for measuring the frequency generated by the generator Wow,
Receives the RPM value of the common rail diesel engine from the RPM sensor, receives the current value generated in the generator from the current meter, receives the voltage value generated in the generator from the voltage meter, from the frequency meter to the generator A control unit which is completely separate from the electronic control unit recovered from the junked common rail diesel vehicle, which receives the generated frequency value and causes the RPM of the common rail diesel engine to be a set engine RPM;
An accelerator operating actuator for stepping on the accelerator of the junk car under the instruction of the controller,
When the load on the generator is increased and the RPM of the common rail diesel engine decreases, the controller operates the accelerator operation actuator until the measured RPM of the common rail diesel engine is equal to the set engine RPM. Gradually increase the stepping amount of the accelerator on the junk car,
When the load on the generator decreases and the RPM of the common rail diesel engine increases, the controller operates the accelerator operation actuator until the measured RPM of the common rail diesel engine is equal to the set engine RPM. Electronic engine power generation system capable of maintaining the RPM of the junk car common rail diesel engine, characterized in that to gradually reduce the step of the accelerator accelerator of the junk car. 삭제delete 삭제delete 삭제delete 삭제delete
KR1020160098494A 2016-08-02 2016-08-02 Electric diesel engine-driven electricity generation system capable of keeping constant revolution per minute of common rail direct injection diesel engine from scrapped vehicle Expired - Fee Related KR102086630B1 (en)

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Citations (3)

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JP2008038868A (en) * 2006-08-10 2008-02-21 Nippon Sharyo Seizo Kaisha Ltd Engine generator
JP2011001887A (en) * 2009-06-18 2011-01-06 Takenaka Komuten Co Ltd Control device of diesel generator
KR101544433B1 (en) * 2015-06-18 2015-08-13 주식회사 이노비 Engine-driven electricity generation system using diesel engine from scrapped vehicle capable of using both diesel and lng

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JP3814245B2 (en) * 2002-11-21 2006-08-23 ヤンマー株式会社 Fuel injection pump
KR102109213B1 (en) * 2014-10-17 2020-05-11 현대자동차주식회사 Fuel supply system for diesel engine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008038868A (en) * 2006-08-10 2008-02-21 Nippon Sharyo Seizo Kaisha Ltd Engine generator
JP2011001887A (en) * 2009-06-18 2011-01-06 Takenaka Komuten Co Ltd Control device of diesel generator
KR101544433B1 (en) * 2015-06-18 2015-08-13 주식회사 이노비 Engine-driven electricity generation system using diesel engine from scrapped vehicle capable of using both diesel and lng

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