CN110580835A - Engine electric control oil injection experiment teaching demonstration platform of armored vehicle diesel engine - Google Patents
Engine electric control oil injection experiment teaching demonstration platform of armored vehicle diesel engine Download PDFInfo
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- CN110580835A CN110580835A CN201910994331.4A CN201910994331A CN110580835A CN 110580835 A CN110580835 A CN 110580835A CN 201910994331 A CN201910994331 A CN 201910994331A CN 110580835 A CN110580835 A CN 110580835A
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- 238000002347 injection Methods 0.000 title claims abstract description 49
- 239000007924 injection Substances 0.000 title claims abstract description 49
- 238000002474 experimental method Methods 0.000 title claims abstract description 21
- 238000004088 simulation Methods 0.000 claims abstract description 50
- 238000012360 testing method Methods 0.000 claims abstract description 4
- 238000012545 processing Methods 0.000 claims description 39
- 238000004891 communication Methods 0.000 claims description 32
- 239000000446 fuel Substances 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 8
- 239000003921 oil Substances 0.000 description 55
- 238000010586 diagram Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Engines (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention discloses an engine electric control oil injection experiment teaching demonstration platform of an armored vehicle diesel engine, which comprises a cabinet body, an engine electric control system simulation trainer, an oil supply system demonstration platform and an industrial control computer, wherein the engine electric control system simulation trainer and the oil supply system demonstration platform are arranged in the cabinet body; the teaching demonstration platform for the engine electric control oil injection experiment of the armored vehicle diesel engine realizes teaching demonstration of the working process of the engine electric control system and the oil supply system, can complete the linkage simulation test of the electric control system and the oil supply system, the simulation starting, the speed regulation, the stopping and other engine working conditions and the fault alarming, the protection and other processes of the electric control system under the condition that the engine is not externally connected, and intuitively shows the working condition of the oil supply system of each working condition to a student through the linkage of the electric control system and the oil supply system.
Description
Technical Field
The invention relates to an engine electronic control oil injection experiment teaching demonstration platform of an armored vehicle diesel engine, and belongs to the technical field of engine electronic control oil injection experiment system teaching demonstration.
Background
computer animation demonstration is often adopted in the existing teaching demonstration of the engine electric control oil injection experiment, the practical operability is lacked, a student cannot clearly know the linkage process of an electric control system and an oil supply system of an engine, and the working condition of the oil supply system under each working condition cannot be visually shown to the student; therefore, in order to solve the problems, an engine electronic control fuel injection experiment teaching demonstration platform of the armored vehicle diesel engine needs to be designed urgently.
Disclosure of Invention
In order to solve the problems, the invention provides a teaching demonstration platform for an engine electric control oil injection experiment of an armored vehicle diesel engine, which realizes teaching demonstration of the working process of an engine electric control system and an oil supply system.
the invention relates to an engine electric control oil injection experiment teaching demonstration platform of an armored vehicle diesel engine, which comprises a cabinet body, an engine electric control system simulation trainer, an oil supply system demonstration platform and an industrial control computer, wherein the engine electric control system simulation trainer and the oil supply system demonstration platform are arranged in the cabinet body; the parameter display comprises the display of the rotating speed of the engine, the gear lever value of the actuator, the sensor parameter and the like; the functional simulation comprises sensor fault functional simulation and protection functional simulation;
the engine electric control system simulation trainer comprises an engine simulation controller, an engine working condition simulator, an actuator, an operating switch and a pedal which are electrically connected with the engine simulation controller, and an AC/DC integrated switching power supply which is electrically connected with the engine simulation controller and the engine working condition simulator; the input end of the AC/DC integrated switching power supply is connected with a mains supply; the actuator is connected with the engine working condition simulator, the actuator is used for controlling a gear rod of the fuel injection pump, and the position of the gear rod is detected by a displacement sensor of the engine working condition simulator; the engine simulation controller and the engine working condition simulator are respectively in communication connection with the industrial control computer;
the engine working condition simulator comprises a microcontroller, and an analog signal output module and a communication module which are electrically connected with the microcontroller, wherein the communication module and the analog signal output module implement isolation measures to prevent interference among signals; the microcontroller is in communication connection with the industrial control computer through a communication module; the analog signal output module is in communication connection with the engine analog controller; the analog signal output module is composed of a displacement sensor, an oil pressure sensor, an exhaust temperature sensor, an environment temperature sensor, a water temperature sensor, an intake temperature sensor, a first speed sensor and a second speed sensor, realizes real sensor signals, provides various working condition signals of the engine, drives the engine analog controller to work, and assists debugging and fault judgment of the engine analog controller;
The engine simulation controller comprises a processor, a data acquisition processing module and an execution driving module, wherein the data acquisition processing module and the execution driving module are electrically connected with the processor; the data acquisition processing module consists of an analog quantity processing unit and a digital quantity processing unit; the analog signal output module of the engine working condition simulator is electrically connected with the processor through the analog quantity processing unit of the data acquisition processing module; the actuator, the operating switch and the pedal are electrically connected with the processor through a digital quantity processing unit of the data acquisition processing module respectively; the actuator is electrically connected with the execution driving module; the processor is in communication connection with the industrial control computer through a serial interface;
the oil supply system demonstration table comprises a motor variable speed control system arranged in a test bed of the cabinet body; the motor variable speed control system comprises an oil injection pump, an oil injection system and a driving motor, wherein the oil injection system and the driving motor are connected with the oil injection pump; the fuel injection pump and the driving motor are respectively and electrically connected with the engine simulation controller; the driving mechanism of the fuel injection pump is in transmission connection with the driving shaft of the driving motor, the driving shaft is directly output by the driving shaft of the driving motor, the operation is stable, the equal torque characteristic provides accurate rotating speed for debugging of the fuel injection pump, the operation is more convenient, and the function is more complete; the liquid spraying system comprises an oil sprayer and a high-pressure oil pipe connected with the liquid sprayer; the oil pumping mechanism of the oil injection pump is connected with the oil injector through a high-pressure oil pipe; and the oil supply quantity adjusting mechanism of the oil injection pump is connected with the actuator.
Further, the microcontroller of the engine working condition simulator comprises a 9S12 single chip microcomputer and peripheral circuits thereof.
Further, the communication module of the engine working condition simulator is composed of an RS232 communication unit or a CAN bus communication unit.
Furthermore, an isolation protection circuit is arranged between the analog signal output module and the communication module.
Further, the processor consists of an 80C196 singlechip and peripheral circuits thereof.
Furthermore, an analog quantity processing unit of the data acquisition processing module is a filter shaping circuit; and the digital quantity processing unit of the data acquisition processing module is an amplitude limiting shaping circuit.
Further, the execution driving module is composed of a high-side floating driving unit and a low-side solid driving unit.
Furthermore, a control table board for simulating an operation panel of an armored vehicle driver is arranged on the front side of the cabinet body; the operating switch is arranged on the control table board and consists of a state conversion switch and a fault simulation switch; the side surface of the control table surface is also provided with a power main switch and a 220V power indicator lamp; the state change-over switch comprises a flameout button, an electric control power switch, an engine wartime switch, a constant speed 1200r/min switch and a constant speed 1500r/min switch from left to right in sequence; a 24V power supply indicator lamp is also arranged between the flameout button and the electric control power supply switch; the fault simulation switch sequentially comprises a displacement switch, a first actuator coil and a second actuator coil from left to right.
Compared with the prior art, the teaching demonstration platform for the engine electric control oil injection experiment of the armored vehicle diesel engine realizes teaching demonstration of the working process of the engine electric control system and the oil supply system, can complete the linkage simulation experiment of the electric control system and the oil supply system, the simulation starting, speed regulation, stopping and other engine working conditions and the fault alarming, protection and other processes of the electric control system under the condition that the engine is not externally connected, and intuitively shows the working condition of the oil supply system of each working condition to a student through the linkage of the electric control system and the oil supply system.
drawings
Fig. 1 is a block diagram showing the overall structure of the present invention.
Fig. 2 is a schematic block diagram of the system connection structure of the present invention.
FIG. 3 is a block diagram of an engine operating condition simulator configuration of the present invention.
FIG. 4 is a schematic diagram of the engine operating condition simulator of the present invention in connection.
FIG. 5 is a control schematic of the engine operating condition simulator of the present invention.
FIG. 6 is a block diagram representation of an engine simulation controller configuration of the present invention.
fig. 7 is a communication diagram of an industrial control computer of the present invention.
FIG. 8 is a schematic diagram of the operation interface of the real-time graphical demonstration software of the industrial control computer of the present invention.
The parts in the drawings are marked as follows: 1-cabinet, 2-engine electric control system simulation trainer, 21-engine simulation controller, 211-processor, 212-data acquisition and processing module, 213-execution driving module, 22-engine working condition simulator, 23-actuator, 24-operation switch, 25-pedal, 26-AC/DC integrated switch power supply, 3-oil supply system demonstration table, 31-oil injection pump, 32-oil injection system, 33-driving motor, 4-industrial control computer, 5-control table, 6-flameout button, 7-electric control power switch, 8-engine wartime switch, 9-constant speed 1200r/min switch, 10-constant speed 1500r/min switch, 11-displacement switch, 12-first actuator coil, 13-second actuator coil, 14-power main switch, 15-220V power indicator lamp and 16-24V power indicator lamp.
Detailed Description
The teaching demonstration platform for the engine electric control fuel injection experiment of the armored vehicle diesel engine shown in fig. 1 to 7 comprises a cabinet body 1, an engine electric control system simulation trainer 2 and an oil supply system demonstration platform 3 which are arranged in the cabinet body 1, and an industrial control computer 4 which is electrically connected with the engine electric control system simulation trainer 2;
the engine electric control system simulation trainer 2 comprises an engine simulation controller 21, an engine working condition simulator 22, an actuator 23, an operating switch 24 and a pedal 25 which are electrically connected with the engine simulation controller 21, and an AC/DC integrated switching power supply 26 which is electrically connected with the engine simulation controller 21 and the engine working condition simulator 22; the input end of the AC/DC integrated switching power supply 26 is connected with the mains supply; the actuator 23 is connected with the engine working condition simulator 22; the engine simulation controller 21 and the engine working condition simulator 22 are respectively in communication connection with the industrial control computer 5;
The engine working condition simulator 22 comprises a microcontroller, and an analog signal output module and a communication module which are electrically connected with the microcontroller; the microcontroller is in communication connection with the industrial control computer 5 through a communication module; the analog signal output module is in communication connection with an engine analog controller 21; the analog signal output module consists of a displacement sensor, an oil pressure sensor, an exhaust temperature sensor, an environment temperature sensor, a water temperature sensor, an intake temperature sensor, a first speed sensor and a second speed sensor;
The engine simulation controller 21 comprises a processor 211, and a data acquisition processing module 212 and an execution driving module 213 which are electrically connected with the processor 211; the data acquisition processing module 212 consists of an analog quantity processing unit and a digital quantity processing unit; the analog signal output module of the engine working condition simulator 22 is electrically connected with the processor 211 through the analog quantity processing unit of the data acquisition processing module 212; the actuator 23, the operating switch and the pedal 25 are electrically connected with the processor 211 through a digital quantity processing unit of the data acquisition processing module 212 respectively; the actuator 23 is electrically connected with the execution driving module 213; the processor 211 is in communication connection with the industrial personal computer 4 through a serial interface;
The oil supply system demonstration table 3 comprises a motor variable speed control system arranged in the cabinet body 1 and a test bed thereof; the motor variable speed control system comprises an oil injection pump 31, an oil injection system 32 and a driving motor 33, wherein the oil injection system 32 and the driving motor 33 are connected with the oil injection pump 31; the fuel injection pump 31 and the driving motor 33 are respectively and electrically connected with the engine simulation controller 21; the driving mechanism of the fuel injection pump 31 is in transmission connection with the driving shaft of the driving motor 33; the liquid spraying system 32 comprises an oil sprayer and a high-pressure oil pipe connected with the liquid sprayer; the oil pumping mechanism of the oil injection pump 31 is connected with the oil injector through a high-pressure oil pipe; the fuel injection pump 31 has its fuel supply amount adjusting mechanism connected to the actuator 23.
The microcontroller of the engine working condition simulator 22 comprises a 9S12 single chip microcomputer and peripheral circuits thereof.
The communication module of the engine working condition simulator 22 is composed of an RS232 communication unit or a CAN bus communication unit.
An isolation protection circuit is arranged between the analog signal output module and the communication module.
the processor 211 consists of an 80C196 singlechip and peripheral circuits thereof.
the analog quantity processing unit of the data acquisition processing module 212 is a filter shaping circuit; the digital processing unit of the data acquisition processing module 212 is an amplitude limiting shaping circuit.
The execution driving module 213 is composed of a high-side floating driving unit and a low-side solid driving unit.
a control table board 5 for simulating an operation panel of an armored vehicle driver is arranged on the front side of the cabinet body 1; the operating switch 24 is arranged on the control table board 5 and consists of a state change-over switch and a fault simulation switch; the side surface of the control table-board 5 is also provided with a power main switch 14 and a 220V power indicator lamp 15; the state change-over switch comprises a flameout button 6, an electric control power switch 7, an engine wartime switch 8, a constant speed 1200r/min switch 9 and a constant speed 1500r/min switch 10 from left to right in sequence; a 24V power indicator lamp 16 is also arranged between the flameout button 6 and the electric control power switch 7; the fault simulation switch comprises a displacement switch 11, a first actuator coil 12 and a second actuator coil 13 from left to right in sequence.
The engine electric control oil injection experiment teaching demonstration platform of the armored vehicle diesel engine has the following functions:
1) The simulation and the oil injection demonstration of the operating condition of the engine,
The engine working condition simulator is applied to simulate the running work of the engine under different working conditions, as shown in fig. 8, the engine state at the moment is displayed through real-time graphical demonstration software in an industrial control computer, meanwhile, the change of oil supply quantity is monitored through an oil supply system demonstration platform, the working conditions of an oil supply system at working condition points such as the starting state, the idling state, the loading state, the external characteristic point and the like of the engine are quantized, and a student can visually know the running states of the engine under the working conditions;
2) The operation demonstration of the electric control system of the engine,
The engine can be well controlled by a human-computer interaction student through visual teaching demonstration; the rotating speed of an engine is controlled by a pedal plate which is the same as that of an actual vehicle, real-time graphical demonstration software is operated to display the rotating speed of the engine, the opening degree of an accelerator and the position of an actuator rack bar at the moment in real time, and an electric control system is displayed to control the process of the engine by detecting an oil supply system demonstration platform;
3) demonstration of engine failure mode, protection and alarm condition,
The common fault mode of the engine in the actual operation process is integrated, and the actual working states of an electric control system and an oil supply system of the engine under the corresponding faults are reproduced by operating the selection control of the real-time graphical demonstration software, so that students can more comprehensively know the working mechanism of the engine, and the problem solving capability is improved from the practical application perspective;
4) The driver is presented with respect to the engine operating information,
The method comprises the following steps of simulating an operation panel of a driver of the armored vehicle, setting state conversion switches such as an electric control power switch, a flameout button, a constant speed 1200r/min switch, a constant speed 1500r/min switch and an engine wartime switch, transmitting driver operation information to an engine simulation controller to realize state conversion, wherein the operation switches have the following functions:
the electronic control power switch controls the power supply of the system, and the switch is required to be arranged at a disconnection position when the engine is stopped; when the system works abnormally, the system can be used as an emergency stop switch, the power supply of an engine electric control system simulation trainer is cut off, and the fuel oil circuit of the engine is cut off at the same time;
a flameout button: under normal conditions, a driver controls the oil supply system to stop supplying oil through the button, and the engine stops;
The switch with the constant speed of 1200r/min and 1500r/min is used for increasing the working idle speed of the engine, the switch with the constant speed of 1200r/min is turned on, the working idle speed of the engine is increased from 650r/min to 1200r/min, the switch with the constant speed of 1500r/min is turned on, and the working idle speed of the engine is increased to 1500 r/min;
the engine wartime switch, under normal conditions, the switch should be placed in an invalid position (non-combat state), and the system determines whether the protection function is implemented or not according to the running condition of the engine; under emergency or special conditions, the switch can be placed at an effective position (in a fighting state), the system cancels engine oil pressure protection, cooling water temperature protection, exhaust temperature protection and the limit requirements on the position of a pedal plate and a constant speed switch during the start of the vehicle;
meanwhile, fault simulation switches such as a displacement switch, a first actuator coil and a second actuator coil are arranged, and actuator faults are simulated through switch selection in a connecting cable between the actuator and the engine simulation controller.
The above-described embodiments are merely preferred embodiments of the present invention, and all equivalent changes or modifications of the structures, features and principles described in the claims of the present invention are included in the scope of the present invention.
Claims (8)
1. The utility model provides an automatically controlled oil spout experiment teaching demonstration platform of engine of armoured vehicle diesel engine which characterized in that: the system comprises a cabinet body, an engine electric control system simulation trainer, an oil supply system demonstration platform and an industrial control computer, wherein the engine electric control system simulation trainer and the oil supply system demonstration platform are arranged in the cabinet body;
the engine electric control system simulation trainer comprises an engine simulation controller, an engine working condition simulator, an actuator, an operating switch and a pedal which are electrically connected with the engine simulation controller, and an AC/DC integrated switching power supply which is electrically connected with the engine simulation controller and the engine working condition simulator; the input end of the AC/DC integrated switching power supply is connected with a mains supply; the actuator is connected with the engine working condition simulator; the engine simulation controller and the engine working condition simulator are respectively in communication connection with the industrial control computer;
The engine working condition simulator comprises a microcontroller, and an analog signal output module and a communication module which are electrically connected with the microcontroller; the microcontroller is in communication connection with the industrial control computer through a communication module; the analog signal output module is in communication connection with the engine analog controller; the analog signal output module consists of a displacement sensor, an oil pressure sensor, an exhaust temperature sensor, an environment temperature sensor, a water temperature sensor, an intake temperature sensor, a first speed sensor and a second speed sensor;
The engine simulation controller comprises a processor, a data acquisition processing module and an execution driving module, wherein the data acquisition processing module and the execution driving module are electrically connected with the processor; the data acquisition processing module consists of an analog quantity processing unit and a digital quantity processing unit; the analog signal output module of the engine working condition simulator is electrically connected with the processor through the analog quantity processing unit of the data acquisition processing module; the actuator, the operating switch and the pedal are electrically connected with the processor through a digital quantity processing unit of the data acquisition processing module respectively; the actuator is electrically connected with the execution driving module; the processor is in communication connection with the industrial control computer through a serial interface;
the oil supply system demonstration table comprises a motor variable speed control system arranged in a test bed of the cabinet body; the motor variable speed control system comprises an oil injection pump, an oil injection system and a driving motor, wherein the oil injection system and the driving motor are connected with the oil injection pump; the fuel injection pump and the driving motor are respectively and electrically connected with the engine simulation controller; the driving mechanism of the fuel injection pump is in transmission connection with a driving shaft of a driving motor; the liquid spraying system comprises an oil sprayer and a high-pressure oil pipe connected with the liquid sprayer; the oil pumping mechanism of the oil injection pump is connected with the oil injector through a high-pressure oil pipe; and the oil supply quantity adjusting mechanism of the oil injection pump is connected with the actuator.
2. the engine electric control fuel injection experiment teaching demonstration platform of the armored vehicle diesel engine according to claim 1, characterized in that: the microcontroller of the engine working condition simulator comprises a 9S12 single chip microcomputer and a peripheral circuit thereof.
3. The engine electric control fuel injection experiment teaching demonstration platform of the armored vehicle diesel engine according to claim 1, characterized in that: and the communication module of the engine working condition simulator consists of an RS232 communication unit or a CAN bus communication unit.
4. The engine electric control fuel injection experiment teaching demonstration platform of the armored vehicle diesel engine according to claim 1, characterized in that: an isolation protection circuit is arranged between the analog signal output module and the communication module.
5. The engine electric control fuel injection experiment teaching demonstration platform of the armored vehicle diesel engine according to claim 1, characterized in that: the processor consists of an 80C196 singlechip and a peripheral circuit thereof.
6. the engine electric control fuel injection experiment teaching demonstration platform of the armored vehicle diesel engine according to claim 1, characterized in that: the analog quantity processing unit of the data acquisition processing module is a filter shaping circuit; and the digital quantity processing unit of the data acquisition processing module is an amplitude limiting shaping circuit.
7. The engine electric control fuel injection experiment teaching demonstration platform of the armored vehicle diesel engine according to claim 1, characterized in that: the execution driving module consists of a high-side floating driving unit and a low-side field driving unit.
8. the engine electric control fuel injection experiment teaching demonstration platform of the armored vehicle diesel engine according to claim 1, characterized in that: a control table board for simulating an operation panel of an armored vehicle driver is arranged on the front side of the cabinet body; the side surface of the control table surface is also provided with a power main switch and a 220V power indicator lamp; the operating switch is arranged on the control table board and consists of a state conversion switch and a fault simulation switch; the state change-over switch comprises a flameout button, an electric control power switch, an engine wartime switch, a constant speed 1200r/min switch and a constant speed 1500r/min switch from left to right in sequence; a 24V power supply indicator lamp is also arranged between the flameout button and the electric control power supply switch; the fault simulation switch sequentially comprises a displacement switch, a first actuator coil and a second actuator coil from left to right.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN2019106203303 | 2019-07-10 | ||
| CN201910620330 | 2019-07-10 |
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| CN110580835A true CN110580835A (en) | 2019-12-17 |
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Application publication date: 20191217 |