CN202749014U - Common rail diesel engine experiment teaching system - Google Patents
Common rail diesel engine experiment teaching system Download PDFInfo
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- CN202749014U CN202749014U CN 201220361379 CN201220361379U CN202749014U CN 202749014 U CN202749014 U CN 202749014U CN 201220361379 CN201220361379 CN 201220361379 CN 201220361379 U CN201220361379 U CN 201220361379U CN 202749014 U CN202749014 U CN 202749014U
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- common rail
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Abstract
Provided is a common rail diesel engine experiment teaching system. The common rail diesel engine experiment teaching system comprises an engine pedestal and a measurement and control panel, wherein the engine pedestal is provided with a diesel engine, a storage battery, a starting key, a fuel tank, an accelerator pedal, a fuel pressure gauge, an oil pressure gauge, a vacuum gauge, a motormeter and the like, and the measurement and control panel is provided with a signal display module, a signal conditioning module, a malfunction setting module, a signal analog module and the like. With the help of the high pressure common rail electronic control diesel engine experiment teaching system and by demonstrating on site by teachers and testing personally done by students, the common rail diesel engine experiment teaching system helps students to master the basic methods for testing and analyzing the trouble of the common rail diesel engine, is beneficial for improving the practical operational ability of students, is beneficial for improving experiment teaching efficiency, and is of great importance in mastering the latest high pressure common rail technology for teachers and students of the vehicle engineering major.
Description
Technical field
The utility model belongs to the teaching equipment field, relates generally to the learning aid of this new technology of high-pressure common rail.
Background technology
Following minimum discharge rules and reduction running noise require fuel injection system and the Related product device that can work under very high system's fuel pressure proposed severe challenge, and adopt the electric control fuel oil jet system of high-pressure common rail technology to efficiently solve this problem.High-pressure common rail provides a kind of revolutionary injection mode.High pressure co-rail system is known as one of 20th century three quantum jump by world's internal combustion engine industry, will become the main flow of 21 century diesel fuel system.With traditional diesel fuel injection system ratio, adopt the electronic diesel injection system of high-pressure common rail technology can make economy, dynamic property and the emission behavior of diesel engine all further raising can be arranged.
In order to strengthen the student to the understanding of the aspects such as common rail diesel engine structure, principle of work and fault diagnosis, develop the common rail diesel engine experiment teaching system.There is not yet at present the Patents for the electrically controlled diesel engine failure diagnosis system teaching equipment of the employing high-pressure common rail technology of imparting knowledge to students both at home and abroad.
Summary of the invention
The purpose of this utility model is in order to strengthen the student to the understanding of the aspects such as common rail diesel engine structure, principle of work and fault diagnosis, to improve the teaching efficiency of high-pressure common rail technology, a kind of common rail diesel engine experiment teaching system being provided.
Common rail diesel engine experiment teaching system described in the utility model is comprised of engine pedestal and observing and controlling panel;
Comprise concrete the composition: fuel tank, heating radiator, common rail engine, signal display module/signal-adjusting module, observing and controlling panel, electronic control unit/fault arrange module, signal imitation module, diagnose interface, fuel pressure gauge, vacuum meter, oil manometer, automobile instrument, gas pedal, accumulator.
Common rail diesel engine, accumulator, fuel tank are installed in the engine pedestal, at engine pedestal fuel pressure gauge, oil manometer, vacuum meter, automobile instrument, electronic control unit being installed is ECU, gas pedal, the parameter such as the fuel pressure when operating personnel can observe at any time engine and move under different operating modes, engine oil pressure, vacuum tightness, engine speed, speed of a motor vehicle; Common rail diesel engine comprises that sensor, electronic control unit are ECU and actuator three parts;
The observing and controlling panel comprises that signal display module, signal-adjusting module, fault arrange module and signal imitation module; Signal display module is installed in observing and controlling panel front, drafting has common rail fuel injection electronic diesel control circuit theory diagrams, in each circuit, be provided with and detect the hole, can utilize multimeter or automobile multielement oscillograph, by the corresponding hole of detecting on the circuit board, measure resistance or magnitude of voltage and the corresponding waveform of sensor or actuator, thereby further search the fault of setting; Signal-adjusting module mainly is comprised of circuit and various plug with isolation, amplification, shaping, filtering, linearization and the function such as anti-shake, is installed in the back of observing and controlling panel; Fault arranges the back that module is installed in the observing and controlling panel, is comprised of 4 gear switch, and at normal gear, when gear switched between 4 gears, each circuit can correspondingly arrange circuit open circuit, circuit bonding and 3 normal faults of power supply short circuit when initial; Be provided with diagnostics interface on the observing and controlling panel, after fault was set, available diagnostic equipment was read diagnostic trouble code from diagnose interface; The signal imitation module is comprised of single-pole double-throw switch (SPDT), pot, wherein single-pole double-throw switch (SPDT) is used for switching between normal gear and signal imitation gear, pot can be regulated the current potential of institute's simulating signal within the specific limits, thereby the signal that makes simulation is the output signal of respective sensor in varying environment preferably, makes corresponding adjustment with control engine ECU; Electronic control unit is installed in the front of observing and controlling panel.
The beneficial effects of the utility model are: by high pressure common rail electric-controlled diesel engine experiment teaching system, by teacher's on-the-spot demonstration and student's personally test, be conducive to the basic skills that students detects, analyzes the common rail diesel engine fault, be conducive to improve student's practical operative ability, be conducive to improve experimental teaching efficient, the automobile engineering speciality teachers and students grasped up-to-date high-pressure common rail technology have great importance.
Description of drawings
Fig. 1 is common rail diesel engine experiment teaching system structural representation.
Among the figure: 1 steel pipe support, 2 fuel tanks, 3 heating radiators 4 altogether rail engine 5 signal display module/signal-adjusting module 6 observing and controlling panels 7 electronic control units/fault arrange module 8 signal imitation modules 9 diagnose interfaces 10 fuel pressure gauges 11 vacuum meters 12 oil manometer 13 initiation keys 14 automobile instruments 15 gas pedals 16 accumulators.
Embodiment
Common rail diesel engine experiment teaching system described in the utility model is comprised of engine pedestal and observing and controlling panel.
Comprise concrete the composition: fuel tank, heating radiator, common rail engine, signal display module/signal-adjusting module, observing and controlling panel, electronic control unit/fault arrange module, signal imitation module, diagnose interface, fuel pressure gauge, vacuum meter, oil manometer, automobile instrument, gas pedal, accumulator.
Common rail diesel engine, accumulator, fuel tank are installed in the engine pedestal, at engine pedestal fuel pressure gauge, oil manometer, vacuum meter, automobile instrument, electronic control unit being installed is ECU, gas pedal, the parameter such as the fuel pressure when operating personnel can observe at any time engine and move under different operating modes, engine oil pressure, vacuum tightness, engine speed, speed of a motor vehicle; Common rail diesel engine comprises that sensor, electronic control unit are ECU and actuator three parts.
The observing and controlling panel comprises that signal display module, signal-adjusting module, fault arrange module and signal imitation module; Signal display module is installed in observing and controlling panel front, drafting has common rail fuel injection electronic diesel control circuit theory diagrams, in each circuit, be provided with and detect the hole, can utilize multimeter or automobile multielement oscillograph, by the corresponding hole of detecting on the circuit board, measure resistance or magnitude of voltage and the corresponding waveform of sensor or actuator, thereby further search the fault of setting; Signal-adjusting module mainly is comprised of circuit and various plug with isolation, amplification, shaping, filtering, linearization and the function such as anti-shake, is installed in the back of observing and controlling panel; Fault arranges the back that module is installed in the observing and controlling panel, is comprised of 4 gear switch, and at normal gear, when gear switched between 4 gears, each circuit can correspondingly arrange circuit open circuit, circuit bonding and 3 normal faults of power supply short circuit when initial; Be provided with diagnostics interface on the observing and controlling panel, after fault was set, available diagnostic equipment was read diagnostic trouble code from diagnose interface; The signal imitation module is comprised of single-pole double-throw switch (SPDT), pot, wherein single-pole double-throw switch (SPDT) is used for switching between normal gear and signal imitation gear, pot can be regulated the current potential of institute's simulating signal within the specific limits, thereby the signal that makes simulation is the output signal of respective sensor in varying environment preferably, makes corresponding adjustment with control engine ECU; Electronic control unit is installed in the front of observing and controlling panel.
Claims (1)
1. common rail diesel engine experiment teaching system, it is characterized in that: described system is comprised of engine pedestal and observing and controlling panel;
Comprise concrete the composition: fuel tank, heating radiator, common rail engine, signal display module/signal-adjusting module, observing and controlling panel, electronic control unit/fault arrange module, signal imitation module, diagnose interface, fuel pressure gauge, vacuum meter, oil manometer, automobile instrument, gas pedal, accumulator;
Common rail diesel engine, accumulator, fuel tank are installed in the engine pedestal, and at engine pedestal fuel pressure gauge, oil manometer, vacuum meter, automobile instrument, electronic control unit being installed is ECU, gas pedal; Common rail diesel engine comprises that sensor, electronic control unit are ECU and actuator three parts;
The observing and controlling panel comprises that signal display module, signal-adjusting module, fault arrange module and signal imitation module; Signal display module is installed in observing and controlling panel front, drafting has common rail fuel injection electronic diesel control circuit theory diagrams, in each circuit, be provided with and detect the hole, multimeter or automobile multielement oscillograph, by the corresponding hole of detecting on the circuit board, measure resistance or magnitude of voltage and the corresponding waveform of sensor or actuator, signal-adjusting module mainly is comprised of the circuit with isolation, amplification, shaping, filtering, linearization and anti-trembling function and various plug, is installed in the back of observing and controlling panel; Fault arranges the back that module is installed in the observing and controlling panel, is comprised of 4 gear switch, and at normal gear, when gear switched between 4 gears, each circuit can correspondingly arrange circuit open circuit, circuit bonding and 3 normal faults of power supply short circuit when initial; Be provided with diagnostics interface on the observing and controlling panel; The signal imitation module is comprised of single-pole double-throw switch (SPDT), pot, and wherein single-pole double-throw switch (SPDT) is used for switching between normal gear and signal imitation gear; Electronic control unit is installed in the front of observing and controlling panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220361379 CN202749014U (en) | 2012-07-25 | 2012-07-25 | Common rail diesel engine experiment teaching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220361379 CN202749014U (en) | 2012-07-25 | 2012-07-25 | Common rail diesel engine experiment teaching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202749014U true CN202749014U (en) | 2013-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220361379 Expired - Fee Related CN202749014U (en) | 2012-07-25 | 2012-07-25 | Common rail diesel engine experiment teaching system |
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| Country | Link |
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| CN (1) | CN202749014U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441914A (en) * | 2016-10-09 | 2017-02-22 | 株洲耀辉光机电研究开发有限公司 | Display control combination testing system based on gas turbine engine application |
| CN111210688A (en) * | 2020-02-28 | 2020-05-29 | 江苏农林职业技术学院 | State III common rail diesel engine fault setting equipment and method |
-
2012
- 2012-07-25 CN CN 201220361379 patent/CN202749014U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441914A (en) * | 2016-10-09 | 2017-02-22 | 株洲耀辉光机电研究开发有限公司 | Display control combination testing system based on gas turbine engine application |
| CN111210688A (en) * | 2020-02-28 | 2020-05-29 | 江苏农林职业技术学院 | State III common rail diesel engine fault setting equipment and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20130725 |