KR20100115125A - Education equipment of crdi diesel engine control system - Google Patents

Education equipment of crdi diesel engine control system Download PDF

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Publication number
KR20100115125A
KR20100115125A KR1020090033684A KR20090033684A KR20100115125A KR 20100115125 A KR20100115125 A KR 20100115125A KR 1020090033684 A KR1020090033684 A KR 1020090033684A KR 20090033684 A KR20090033684 A KR 20090033684A KR 20100115125 A KR20100115125 A KR 20100115125A
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KR
South Korea
Prior art keywords
crdi
diesel engine
control system
engine control
fuel
Prior art date
Application number
KR1020090033684A
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Korean (ko)
Inventor
최재관
조현덕
Original Assignee
주식회사 대성지이-쓰리
경일대학교산학협력단
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Application filed by 주식회사 대성지이-쓰리, 경일대학교산학협력단 filed Critical 주식회사 대성지이-쓰리
Priority to KR1020090033684A priority Critical patent/KR20100115125A/en
Publication of KR20100115125A publication Critical patent/KR20100115125A/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
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

PURPOSE: A CRDI diesel engine control system training kit is provided to improve visual education effectiveness, since the injection state and timing of an injector inside a cylinder of a CRDI diesel engine can be checked. CONSTITUTION: A CRDI diesel engine control system training kit comprises a main body(1), a variable controller, and a diagnostic unit. The main body is formed with a front panel(101), wherein devices forming a CRDI diesel engine control system are installed, on the upper part. The main body is formed with a receiving chamber(102) wherein a fuel tank(103) and a power supply device(104) are installed on the lower part thereof. The main body is installed with a caster(105). The variable controller arbitrarily controls the signal value of the sensors.

Description

CRD Diesel engine control system {Education equipment of CRDI Diesel engine control system}

The present invention relates to a CRDI diesel engine control system educational equipment, and more specifically, to enable artificial control and diagnosis of signal values of a sensor constituting the CRDI diesel engine control system, and at the same time, the main components of the CRDI diesel engine control system. It is related to the CRDI diesel engine control system educational equipment, which can be installed on a flat panel to understand the operation process of the system and maximize the functional and technical training effect as well as the theoretical understanding of the CRDI diesel engine control system.

In general, the CRDI diesel engine control system used in automobiles is controlled by an electronic control unit (ECU) for the engine, and the ECU 4 includes various types of input sensors, input / output components, and circuits. By connecting a series of connected parts such as fuel control and air control at the same time, the optimum air-fuel ratio can be adjusted in theory to maintain the engine in optimum operating condition while minimizing noise and harmful gas emissions while driving. To control the engine.

However, the general CRDI diesel engine control system as described above has many kinds of sensors, input and output components related to engine control, and super high pressure fuel system is controlled while all are connected to an electric circuit. This requires a lot of learning time.

Therefore, a lot of experiments and training schools in automobile-related schools and schools spend much time learning theories for understanding the complex systems connected with electrical circuits as well as many experiments and hands-on devices.

However, in the related art, as an experiment and a training apparatus used in connection with the education of the CRDI diesel engine control system, since the engine mounted on the actual vehicle is used as it is, various sensors or input / output components attached to the engine are used. There was a problem that there is a lot of inconvenience visually and spatially to provide the trainees.

In addition, in order to educate how various sensors or input / output components related to the CRDI diesel engine control system operate during operation of the engine, it is necessary to control various sensors attached to the engine. In the attached state, since individual and artificial control of each sensor is impossible, there is a problem that an intuitive and effective training on the CRDI diesel engine control system is impossible.

Therefore, in automotive academies and schools, CRDI diesel engine control system is mainly focused on theoretical education, so that even after graduating from a car academy or school, it is possible to learn theoretical understanding of CRDI diesel engine control system and professional maintenance and repair skills. There was a difficult problem.

The present invention has been made in order to solve the above-mentioned conventional problems, lists all the parts related to the system in order to understand the CRDI diesel engine control system more intuitively and easily, and arbitrarily manipulates various sensors related to CRDI diesel engine control. Its purpose is to provide training equipment for CRDI diesel engine control systems that can maximize the effectiveness of training by making it easy to see the actual operation of input and output components at a glance.

In order to control the CRDI diesel engine for automobiles, sensors for detecting the operation of the main engine part, a fuel supply unit for supplying fuel to the engine, a fuel injection unit for injecting fuel into the engine, and a pressure for generating a high pressure fuel injection pressure In the CRDI diesel engine control system composed of a generator,

A front panel 101 in which the devices constituting the CRDI diesel engine control system are installed is formed in an upper portion, and a storage chamber 102 in which a fuel tank 103 and a power supply device 104 are installed is formed in a lower portion thereof. The bottom surface is provided with a main body 1 provided with a caster 105 for easy movement, a variable control unit for arbitrarily controlling signal values of the sensors, and a connection terminal connected to an actuator constituting the sensors, fuel supply unit, and fuel injection unit. It consists of a diagnosis unit for diagnosing normal operation through the connection terminal.

On the other hand, the CRDI diesel engine control system includes an accelerator pedal sensor (APS) for detecting the opening and closing of the throttle valve, a common rail pressure sensor (RPS) for detecting the pressure of the fuel conveyed to the common rail from the high pressure pump, and the cooling water temperature Cooling water temperature sensor (ECTS) for detecting the temperature, air flow rate sensor (MAFS) for detecting the intake air volume, intake air temperature sensor (MATS) installed in the intake line for detecting the temperature of the intake air, and the position of the crankshaft A crankshaft position sensor (CKP), a camshaft position sensor (CPS) for detecting the position of the camshaft, an injector for injecting fuel, an air heater for heating the air sucked into the combustion chamber during cold, and unburned An EGR solenoid valve for returning exhaust gas to the combustion chamber of the engine, an inlet metering valve for controlling the pressure of the common rail by adjusting the amount of fuel supplied to the common rail, and an electric power supply control unit for each unit. It consists of a relay.

In addition, the variable control unit APS control volume 201 for adjusting the signal value of the accelerator pedal sensor (APS), MAFS / IAS control volume 202 for adjusting the signal value of the air flow sensor (MAFS), and the cooling water temperature ECTS adjustment volume 203 for adjusting the signal value of the sensor (ECTS) and RPM control volume 204 for adjusting the engine rpm input to the ECU (4).

In addition, the variable control unit includes an rpm meter 205 for displaying the engine rpm.

In addition, the variable control unit includes a mode adjustment switch 206 for selecting the automatic mode and the manual mode in which all the adjustment volume is automatically controlled.

In addition, the variable control unit includes a diagnostic jack 207 that can measure the value that all the control volume is controlled.

In addition, the variable control unit includes a signal generation control device 304 of the RPM control volume 204, the crankshaft position sensor (CKP), the camshaft position sensor (CPS) that can adjust the engine rpm.

In addition, the diagnostic unit includes installing the BNC measurement terminal 301 for individually measuring the power supply voltage and the input and output voltages of all sensors and actuators connected to the CRDI diesel engine ECU.

In addition, the diagnostic unit includes a communication connector 302 for connecting the ECU 4 and the self-diagnosis equipment for automobiles.

In addition, the diagnostic unit includes an emergency switch 303 is installed to cut off the power supply of all devices in an emergency.

In addition, one side of the front panel includes the installation of a pressure indicator (6) for displaying the high pressure of the fuel rail pressure.

In addition, the injector 5 is provided with a transparent cover 501 for each injector to identify the injection state, and a metering container 502 for measuring the amount of fuel injected from the injector under the transparent cover 501. It includes installing in one piece.

As described above, the present invention can be confirmed while controlling the injection state and timing of the injector occurring inside the cylinder of the CRDI diesel engine at low and high speed, and thus the visual education effect is very excellent, and the input and output according to the control of the sensors The various operating situations of the components can be easily visualized, which greatly improves the theoretical understanding of the CRDI diesel engine control system.

In addition, it is possible not only to reproduce various system failure symptoms through the arbitrary operation of various sensors related to the CRDI diesel engine control system, but also to diagnose them through a diagnostic device and to diagnose the failure and symptoms of the CRDI diesel engine control system according to the sensor failure. According to the analysis, maintenance techniques and methods can be easily trained, there is an advantage to maximize the training effect on the CRDI diesel engine control system.

1 is a front view illustrating a configuration according to a preferred embodiment of the present invention. As shown in the drawings, the present invention provides sensors, input and output components that constitute a CRDI diesel engine control system. It is installed on the front panel 101 formed in the upper portion.

The front panel of the main body 1 has a diagnostic section including a variable control section capable of arbitrarily controlling signal values of sensors constituting the CRDI diesel engine control system, and a connection terminal connected to an actuator constituting the fuel supply section and the fuel injection section. All of them are installed in 101).

In addition, a fuel tank 103 and a power supply device 104 are installed in the storage chamber 102 formed under the main body 1 to provide a CRDI diesel engine control system installed on the front panel 101 of the main body 1. In addition to supplying power to all the constituent components, fuel is supplied to the injector 5 constituting the CRDI diesel engine control system, and the fuel supplied to the injector is connected to the fuel tank 103 at the end of the injector. Through the re-introduced into the fuel tank 103 can be used while repeatedly circulating a certain amount of fuel.

Accordingly, the trainees can see at a glance the electrical connection state and operation process of each component constituting the CRDI diesel engine control system through devices installed on the front panel 101 of the main body 1 so that the CRDI diesel engine control system can be viewed at a glance. Improve theoretical understanding of the composition of

That is, as shown in FIG. 1, the CRDI diesel engine control system installed to be arranged on the front panel 101 of the main body 1 includes an accelerator pedal sensor (APS) for detecting the opening and closing degree of the throttle valve, and a high pressure pump. Common rail pressure sensor (RPS) for detecting the pressure of fuel transported to the common rail, cooling water temperature sensor (ECTS) for detecting the cooling water temperature, air flow sensor (MAFS) for detecting the intake air volume, and intake line Intake air temperature sensor (MATS) for detecting the temperature of the intake air, crankshaft position sensor (CKP) for detecting the position of the crankshaft, camshaft position sensor (CPS) for detecting the position of the camshaft, and fuel The injector for injection, the air heater for heating the air sucked into the combustion chamber during cold, the EGR solenoid valve for returning unburned exhaust gas to the combustion chamber of the engine, and the pressure of the common rail by adjusting the amount of fuel supplied to the common rail It consists of an inlet metering valve to control, and a relay to control the power supply to each device unit, one side of the front panel 101 is to install an ECU (4) for controlling the actuators built in all the sensors and devices. .

In addition, one side of the front panel 101 of the main body 1 is configured with a variable control unit, the variable control unit APS control volume 201 for adjusting the signal value of the accelerator pedal sensor (APS) and air flow sensor (MAFS) MAFS / IATS control volume (202) for adjusting the signal value of the control panel, ECTS control volume (203) for adjusting the signal value of the cooling water temperature sensor (ECTS), RPM for adjusting the engine rpm input to the ECU (4) The control volume 204 is divided into each will be installed.

Accordingly, by arbitrarily adjusting the signal values of the main sensors constituting the CRDI diesel engine control system by using the adjustment volumes constituting the variable control unit, the signal values of the main sensors input to the ECU 4 can be variously changed. Therefore, it is possible to easily and easily check the injector of the fuel injection unit controlled by the ECU 4 or the operation change of the pressure generation unit for generating the high pressure fuel injection pressure in accordance with the signal value change of the main sensor.

In addition, by installing the rpm meter 205 indicating the engine rpm in the variable control unit, it is easy to identify the operating conditions of the engine rpm change and its various components, as well as automatic mode and manual control of all adjustment volumes automatically. By installing a mode control switch 206 that can select a controlled manual mode, when the position of the mode control switch 206 is in the automatic mode, the signal values of all sensors basically output a normal signal value to control the CRDI diesel engine. It reproduces the normal operating condition of the system, and when the position of the mode control switch 206 is in manual mode, the control volume corresponding to each sensor can be arbitrarily adjusted to reproduce various operating conditions of the CRDI diesel control system. The convenience of education can be improved.

In addition, the variable control unit is provided with a diagnostic jack 207 that can measure the value to control all the adjustment volume, RPM control volume 204 and crankshaft position sensor (CKP), camshaft position that can adjust the engine rpm By installing the signal generation control device 304 of the sensor CPS, not only can the rpm be arbitrarily adjusted, but also the crankshaft position by arbitrarily controlling the signal generation of the crankshaft position sensor CKP and the camshaft position sensor CPS. By controlling the signal values of the sensor (CKP) and camshaft position sensor (CPS) to the ECU, various engine operating environments can be reproduced.

On the other hand, one side of the front panel 101 of the main body 1, the diagnostic unit having a BNC measurement terminal 301 for measuring the power voltage and input and output voltage of all sensors and actuators connected to the CRDI diesel engine ECU separately Will be constructed.

Therefore, by measuring the power supply voltage and the input and output voltages of the main sensors constituting the CRDI diesel engine control system by the variable controller, whether the main sensors are operating normally and how much voltage is required for normal operation. It is easy to check whether this is done by connecting a diagnostic tester generally used to the corresponding BNC measuring terminal 301 of each sensor, and through this process, the components of the CRDI diesel engine control system This will enhance the understanding and education of electrical circuit connections.

In addition, by installing the communication connector 302 connecting the ECU 4 and the self-diagnosis equipment for automobiles, the diagnostic unit 4 controls the actuators embedded in sensors and devices constituting the CRDI diesel engine control system. By communicating with the system, it is possible to diagnose the abnormal operation of each sensor or device, so that it is possible to provide effective training on the failure diagnosis of the CRDI diesel engine control system using the self-diagnosis system for automobiles and the corresponding measures.

In addition, the diagnostic unit installs an emergency switch 303 that cuts off the power supply of all devices in an emergency, so that oil leakage occurs in the circulation hose in the process of injecting fuel from the injector constituting the CRDI diesel engine control system, or If an emergency situation occurs due to abnormal operation of the injection unit, the power supply to the fuel pump built in the fuel tank 103 is cut off or the power supply to the fuel injection unit is cut off. It can be prevented in advance.

In addition, the outer cover of the injector 5 installed on the front panel 101 of the main body 1 is provided with a transparent cover 501 for each injector to identify the injection state, respectively, and in the injector under the transparent cover 501 By integrally installing the measuring container 502 for measuring the amount of fuel injected, it is easy to visually check the fuel injection process made by the injector and the fuel injection amount according to the rpm of the engine during operation of the engine. You can improve your understanding.

In addition, by installing a pressure indicator (6) indicating the high pressure of the fuel rail pressure on one side of the front panel it is easy to see the injection pressure of the fuel injected at high pressure.

1 is an exemplary front view according to an embodiment of the present invention

Figure 2 is a side view of the main body according to an embodiment of the present invention.

3 is an exemplary view showing a circuit configuration of a variable control unit and a diagnosis unit according to an embodiment of the present invention.

4 is an exemplary view showing a circuit configuration of a CRDI diesel engine control system according to an embodiment of the present invention.

<Description of Symbols for Main Parts of Drawings>

1: main body 101: front panel

102: storage chamber 103: fuel tank

104: power supply 105: caster

201: MAPS control volume 202: MAFS / IATS control volume

203: ECTS adjusting volume 204: RPM adjusting volume

205: rpm meter 206: mode control switch

301: BNC measurement terminal 302: Communication connector

303: Emergency switch 4: ECU

5: injector 501: transparent cover

502: measuring vessel 6: pressure indicator

Claims (10)

Sensors installed in the engine to control the CRDI diesel engine for automobiles, A fuel supply unit for supplying fuel to the engine, A fuel injection unit for injecting fuel into the engine, In a known CRDI diesel engine control system composed of a pressure generator for generating a high pressure fuel injection pressure, A front panel 101 in which the devices constituting the CRDI diesel engine control system are installed is formed in an upper portion, and a storage chamber 102 in which a fuel tank 103 and a power supply device 104 are installed is formed in a lower portion thereof. A main body 1 having a caster 105 mounted thereon for easy movement; A variable control unit for arbitrarily controlling signal values of the sensors; CRDI diesel engine control system educational equipment comprising a diagnosis unit for diagnosing the normal operation through the connection terminal by installing a connection terminal connected to the sensor, the fuel supply unit, the actuator constituting the fuel injection unit. The method of claim 1, wherein the CRDI diesel engine control system includes an accelerator pedal sensor (APS) for detecting the opening and closing degree of the throttle valve, a common rail pressure sensor (RPS) for detecting the pressure of the fuel fed to the common rail from the high pressure pump and Cooling water temperature sensor (ECTS) to detect cooling water temperature, air flow rate sensor (MAFS) to detect intake air volume, intake air temperature sensor (MATS) installed on the intake line to detect the temperature of intake air, and crankshaft A crankshaft position sensor (CKP) for detecting a position, a camshaft position sensor (CPS) for detecting a position of the camshaft, an injector for injecting fuel, an air heater for heating air sucked into the combustion chamber during cold operation, An EGR solenoid valve for returning unburned exhaust gas to the combustion chamber of the engine, an inlet ring valve for controlling the pressure of the common rail by adjusting the amount of fuel supplied to the common rail, CRDI diesel engine control system of educational equipment including being configured as a relay to control the class. The method of claim 1, wherein the variable control unit APS adjusting volume 201 for adjusting the signal value of the accelerator pedal sensor (APS), MAFS / IAS control volume 202 for adjusting the signal value of the air flow sensor (MAFS) and , CRDI diesel engine control system comprising an ECTS control volume 203 for adjusting the signal value of the cooling water temperature sensor (ECTS), and RPM control volume 204 for adjusting the engine rpm input to the ECU (4) Educational equipment. The CRDI diesel engine control system educational equipment according to claim 1, wherein the variable control unit includes an rpm meter (205) indicating an engine rpm. The training apparatus for a CRDI diesel engine control system according to claim 1, wherein the variable control unit includes a mode adjustment switch (206) for selecting an automatic mode in which all adjustment volumes are automatically controlled and a manual mode in which a manual control is performed. 2. The CRDI diesel engine control system of claim 1, wherein the diagnostic unit includes a BNC measurement terminal 301 capable of individually measuring power and input and output voltages of all sensors and actuators connected to the CRDI diesel engine ECU. Educational equipment. The CRDI diesel engine control system educational equipment according to claim 1, wherein the diagnostic unit includes a communication connector (302) for connecting the ECU (4) and the self-diagnosis equipment for a vehicle. 2. The CRDI diesel engine control system educational equipment as set forth in claim 1, wherein the diagnostic unit includes an emergency switch (303) for shutting off power supply of all devices in an emergency. The training equipment for a CRDI diesel engine control system according to claim 1, wherein a pressure indicator (6) is provided on one side of the front panel to display a high pressure fuel rail pressure. 3. The measuring container 502 of claim 2, wherein a transparent cover 501 for identifying an injection state is provided for each injector, and a measuring container 502 for measuring the amount of fuel injected from the injector is disposed below the transparent cover 501. CRDI diesel engine control system teaching equipment comprising integrally installing.
KR1020090033684A 2009-04-17 2009-04-17 Education equipment of crdi diesel engine control system KR20100115125A (en)

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KR1020090033684A KR20100115125A (en) 2009-04-17 2009-04-17 Education equipment of crdi diesel engine control system

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101427106B1 (en) * 2012-09-18 2014-08-07 주식회사 영일교육시스템 Automotive Electronic Control Engine Simulator
KR20160071768A (en) 2014-12-12 2016-06-22 박영철 Plastic engine
KR101693123B1 (en) 2015-11-06 2017-01-04 박영철 Valve opening and closing apparatus for engine
CN116161003A (en) * 2022-12-31 2023-05-26 江苏天明特种车辆有限公司 Automatic shutdown braking system of mining explosion-proof trackless rubber-tyred vehicle

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101427106B1 (en) * 2012-09-18 2014-08-07 주식회사 영일교육시스템 Automotive Electronic Control Engine Simulator
KR20160071768A (en) 2014-12-12 2016-06-22 박영철 Plastic engine
KR101693123B1 (en) 2015-11-06 2017-01-04 박영철 Valve opening and closing apparatus for engine
CN116161003A (en) * 2022-12-31 2023-05-26 江苏天明特种车辆有限公司 Automatic shutdown braking system of mining explosion-proof trackless rubber-tyred vehicle

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