CN201034050Y - Electrical controlled spraying controlling equipment for gas engine - Google Patents
Electrical controlled spraying controlling equipment for gas engine Download PDFInfo
- Publication number
- CN201034050Y CN201034050Y CNU2007201160376U CN200720116037U CN201034050Y CN 201034050 Y CN201034050 Y CN 201034050Y CN U2007201160376 U CNU2007201160376 U CN U2007201160376U CN 200720116037 U CN200720116037 U CN 200720116037U CN 201034050 Y CN201034050 Y CN 201034050Y
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- gas engine
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- 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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Combined Controls Of Internal Combustion Engines (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The utility model provides an electric-controlled injection controlling equipment for vehicle gas engine, comprising a developing device, an operation device and a signal processing device, the developing device is connected with the operation device by the Ethernet network, the operation device is mutually connected with the signal processing device; the signal processing device comprises an industrial data acquisition board card, a signal input conditioning module and a signal output driving module, the industrial data acquisition board card is mutually connected with the operation device, the signal input conditioning module is connected with the industrial data acquisition board card, the sensor arranged on the gas engine is connected with the signal output conditioning module, the output of the industrial data acquisition board card is connected with the signal output driving module, the signal output driving module is connected with the executive device of the gas engine. The utility model has the advantages of multi-point gas injection control for vehicle gas engine, online adjustment of the controlling parameter, real-time monitor of the running status of the engine, and semi-physical simulation of partial hardware performance test of the controller.
Description
(1) technical field
The utility model relates to the engine electric-controlled technology of vehicle fuel, particularly based on the engine electric-controlled spraying technique of the vehicle fuel of industrial computer field.
(2) background technique
Gas engine is meant the motor of combustion gas fuel (as liquefied petroleum gas (LPG) LPG, compressed natural gas CNG, LNG Liquefied natural gas LNG, hydrogen and coal gas etc.).The engine for combusting gaseous fuel can reduce the discharging of noxious pollutant, for solving energy shortage, alleviating pollution of atmosphere and the energy source of car variation has positive meaning.Electronic control unit (being called for short ECU) is the core technology parts of gas engine, and the gas engine electric-controlled whole unit controlling performance of good and bad directly influence of software (control algorithm) and hardware circuit (sensor acquisition circuit and actuator driven circuit) design.It is the control core device that present vehicle fuel engine electric-controlled unit almost all adopts with the single-chip microcomputer.Because hardware, the software resource of single-chip microcomputer are limited, in the engine electric-controlled spraying technique development process of vehicle fuel, can be subjected to many condition restriction, be difficult to carry out the analysis debugging of multi-scheme, complicated control algorithm and the real-time simulation of system performance, the exploitation that is used for gas engine electric-controlled spraying technique is very inconvenient.Disclose a kind of employing process control machine (industrial control computer) for the control core system though patent is the patent document of CN1749544A, be used for the fuel gas supply control of gas engine.But what this system adopted is the step motor control mode, but not novel jet-type control mode, this system does not possess control algorithm exploitation, debugging and copying yet simultaneously.
The commercial software and the equipment that are used for the engine controller exploitation have been developed at present both at home and abroad, the No-Hooks OnTarget of the quick development environment of releasing as Microbox, the Pi Technology of dSPACE company of based target ECU control strategy that is suitable for petrol engine ECU quick control development platform OpenECU system, Accurate Technologies (ATI) and the multi-purpose vehicle(MPV) engine electric-controlled unit quick development platform UECU of Science and Technology Ltd. of Zhen jiang jiangkui Group.But this class commercially produced product specific aim is very strong, and narrow application range is primarily aimed at fuel engine.The domestic patent No. is that the model utility creation of CN1641505A and CN1402187A has all proposed a kind of controller simulation test system, and both only possess the artificial debugging function, and its purpose all is to provide a virtual detection platform for automobile controller.The model utility of patent No. CN1687849A is created and is utilized single-chip microcomputer to set up the development platform of a multifunction electronic control unit, but this platform does not possess control strategy emulation and evaluation function.
(3) summary of the invention
The purpose of this utility model is to provide a kind of vehicle fuel motor multi-point gas that can realize to spray control, the online adjustment of Control Parameter and the real-time monitoring of engine operating state, possesses the engine electric-controlled jetting controller of vehicle fuel of control strategy emulation and evaluation function.
The purpose of this utility model is achieved in that it comprises development device, running gear and signal processing apparatus, development device is connected with running gear by Ethernet, running gear and signal processing apparatus are interconnected, signal processing apparatus comprises the industrial data analog input card, input signal conditioning module and output signal driver module, industrial data analog input card and running gear are interconnected, the input signal conditioning module connects the industrial data analog input card, the sensor that is installed on the gas engine connects the input signal conditioning module, the output of industrial data analog input card connects the output signal driver module, and the output signal driver module connects gas engine actuator.
The utility model also has some technical characteristicss like this:
1, described running gear adopts xPC Target real-time kernel;
2, described input signal conditioning circuit connects throttle sensor, air inlet pressure sensor, intake air temperature sensor, cooling-water temperature transmitter, detonation sensor, speed probe and lambda sensor, output signal driver circuit comprises ignition drive circuit, multi-point injection control valve drive circuit and idle motors drive circuit, ignition drive circuit tie point fire coil, the idle motors drive circuit connects idle motors, and multi-point injection control valve drive circuit connects the low-pressure fuel gas nozzle.
The gas engine electric-controlled spraying technique research and development of the utility model equipment is made up of development device, running gear and signal processing apparatus three parts.The computer of development device is called upper-position unit, mainly finishes the design of control Model Design, Interface Module, the design of monitoring interface and generate destination application by the MATLAB/RTW compiling.Development device is connected with running gear by Ethernet, the beginning of control running gear simulation process, stop, the online adjustment of simulator Operational Limits and simulation parameters, the uploading of the download of development device destination application and running gear result of calculation.The computer of running gear is called lower-position unit.The destination application that the development device compiling generates has very high real-time operation speed on lower-position unit, can satisfy the requirement of real-time control to sampling step length.Running gear links to each other with sensor on the gas engine lower-position unit by signal processing apparatus with actuator, form a closed loop control system.Signal processing apparatus comprises industrial data analog input card, input signal conditioning module and the output signal driver module composition that is installed on the lower-position unit.The sensor signal that is installed in gas engine by shaping of input signal conditioning module and filtering after, receive on the signal end daughter board of lower-position unit analog input card.The output signal of analog input card connects gas engine actuator through the output signal driver module.
The information that next bit computer is gathered according to engine sensor, judge the operating conditions of motor, calculate the time for spraying of fuel injection valve and the basic controlling parameters such as displacement of injection pulse width, ignition advance angle, igniting primary air angle of attachment and idle speed step motor that basic pulsewidth, closed loop air fuel ratio are regulated in real time, realize above-mentioned control by the numeral output D/O of analog input card and multi-point injection control valve drive circuit, ignition drive circuit and the idle speed step motor drive circuit of autonomous Design.Host computer to online adjustment of Control Parameter and demarcation in the control algorithm of next bit computer real time execution, is realized remote monitoring and control by network; Host computer is preserved the data in real time that monitors.
Working principle of the present utility model is: the host computer of development device is installed MATLAB graphic programming development environment.According to different exploitation purposes, set up corresponding gas engine control system model, mainly comprise parameter acquisition Interface Module, data-signal puocessing module, fuel gas injection control algorithm, result of calculation processing and display modular.Utilize RTW to generate the xPC object code of gas engine control model.After setting up the control model,, tentatively the control effect of control algorithm is assessed by the simulation analysis of off-line state.The xPC object code of running gear real time execution gas engine control model according to the engine information that signal processing apparatus provides, is judged the operating conditions of motor, by real-time calculating, and actuators such as on line control multi-point gas injection valve and spark coil.Adopt ICP/IP protocol to carry out network service between development device computer and the running gear computer, development device can online adjustment and the Control Parameter of demarcating running gear.
The utility model is a kind of equipment that can carry out the engine electric-controlled spraying technique exploitation of vehicle fuel.It can canbe used on line vehicle fuel motor injection control, online adjustment of Control Parameter and engine operating state are monitored in real time; Can on this equipment, carry out exploitation of fuel gas injection control algorithm and emulation by off-line; Can carry out semi-physical simulation (or being called hardware-in-loop simulation) function of controller part hardware performance test.Advantage of the present utility model is: because this equipment operation device computer is based on the operation of MATLAB environment, can revise fast the parameter of gas engine control model according to different automobile types, or set up new engine control system model, therefore platform is open and general fully, has good prospects for use.Requirement according to exploitation purpose and examination target, this equipment can be complete or the function of the realization product level controller of part, as the injection of vehicle fuel motor multi-point gas, igniting, idling and the control of closed loop air fuel ratio etc., for gas engine electric-controlled technical research provides development and testing environment efficiently; Utilize this equipment monitoring car gas engine running state in real time, online demonstration and preservation test data; This equipment can carry out comprehensive off-line or online simulation analysis to the system performance of motor, can realize the engine performance comparative trial of different control algorithms fast.
(4) description of drawings
Fig. 1 is a structured flowchart of the present utility model;
Fig. 2～Fig. 8 is the utility model signal processing apparatus circuit diagram, wherein Fig. 2 is a gas engine oxygen sensor signal processing circuit schematic diagram, Fig. 3 is a gas engine detonation sensor signal processing circuit schematic diagram, Fig. 4 is the signaling interface terminal circuit theory diagrams of signal processing apparatus, Fig. 5 is the terminal circuit theory diagrams that signal processing circuit is connected with analog input card, Fig. 6 is the power module circuitry schematic diagram, the idle speed step motor drive circuit schematic diagram of Fig. 7 for adopting the L298 chip to form, the gas nozzle driving circuit for electromagnetic valve schematic diagram of Fig. 8 for adopting L298 to form;
Fig. 9 is an enforcement block diagram of the present utility model.
(5) embodiment
Below in conjunction with drawings and Examples the utility model is further described:
In conjunction with Fig. 1, present embodiment comprises upper-position unit, the lower-position unit that connects upper-position unit, with the interconnected analog input card of lower-position unit, the input signal conditioning circuit and the output signal driver circuit that connect analog input card, throttle sensor, air inlet pressure sensor, intake air temperature sensor, cooling-water temperature transmitter, detonation sensor, speed probe is connected the input signal conditioning circuit with lambda sensor, drive circuit comprises ignition drive circuit, multi-point injection control valve drive circuit and idle speed step motor drive circuit, ignition drive circuit tie point fire coil, the idle motors drive circuit connects idle motors, and multi-point injection control valve drive circuit connects the low-pressure fuel gas nozzle.
Next bit computer adopts the PIV2.4GHz processor among the embodiment, and analog input card is selected the multi-functional analog input card of the PCL812PG that grinds magnificent company for use, and this integrated circuit board provides 16 tunnel 12 ADC, 2 road DAC, 16 road D/I and 16 road D/O.The circuit part of signal processing apparatus is made up of Fig. 2～Fig. 8.
Fig. 2 is a gas engine oxygen sensor signal processing circuit.Adopt the TLC4501CD processing of the differential amplifier circuit realization oxygen sensor signal of the high-accuracy operational amplifier composition of calibration automatically, and be input to next bit computer by analog input card AD0.
Fig. 3 is the gas engine detonation sensor signal processing circuit.Adopt the TLC4501CD amplification circuit realization detonation sensor signal processing of the high-accuracy operational amplifier composition of calibration automatically, and be input to next bit computer by analog input card AD1.
Fig. 4 is the signaling interface terminal of signal processing apparatus.This terminal interface signal sequence is 1,33-12V power supply (+); 2,34-signal ground GND (power supply ground); 3～4-lambda sensor O2; 5～6-detonation sensor knock; 7-throttle sensor TPS; 8-idling throttle signal ITPS; 9-Idle Switch Iswitch; 10-cooling-water temperature sensor Tw; 11-air temperature sensor TA; 12-speed probe SP; The 13-Hall transducer; The 14-MAP sensor; 15～18-fuel gas injection control signal (+); 19～20-fire signal; 21～28-idle speed step motor control signal; 29～32 fuel gas injection control signals (-).
Fig. 5 is the terminal that signal processing circuit is connected with analog input card.This terminal interface is connected as shown in table 1 with the analog input card port signal.
Table 1PCL812PG analog input card channel signal distributes
| Sequence number | Signal name | Signal type | Passage |
| 1 | Lambda sensor | Analogue signal (0V-1V) | A/D0 |
| 2 | Detonation signal | Analogue signal (0V-5V) | A/ |
| 3 | Throttle position | Analogue signal (0V-5V) | A/ |
| 4 | The idling throttle signal | Analogue signal (0V-5V) | A/ |
| 5 | The Idle Switch signal | Analogue signal (0V-5V) | A/ |
| 6 | Coolant temperature | Analogue signal (0V-5V) | A/ |
| 7 | Intake manifold air temperature | Analogue signal (0V-5V) | A/ |
| 8 | The suction tude air pressure | Analogue signal (0V-5V) | A/ |
| 6 | Tach signal | Digital signal | D/ |
| 7 | The camshaft-signal sensor signal | Digital signal | D/ |
| 8 | Low pressure LPG nozzle drive signal | Digital signal | D/ |
| 9 | LPG cut-off electromagnetic valve drive signal | Digital signal | D/O5 |
| 10 | The igniting drive signal | Digital signal | D/O6，D/O7，D/O8，D/ |
| 11 | The idle motors drive signal | Digital signal | D/O10，D/011 |
Fig. 6 is a power module.The outside supply power of signal processing apparatus is+12V, because therefore TLC4501CD and L298 chip needs+5V power supply have increased power module.This module adopts the LM7805 chip.
The idle speed step motor drive circuit of Fig. 7 for adopting the L298 chip to form.
The gas nozzle driving circuit for electromagnetic valve of Fig. 8 for adopting L298 to form.
Engine throttle door sensor, idling throttle signal, Idle Switch, coolant temperature, intake air temperature sensor and air inlet pressure sensor sensor, this 4 tunnel analogue signal is input to next bit computer by analog input card AD2～AD7 passage.
Speed probe and Hall transducer collect next bit computer by analog input card numeral input DI1 and DI2.
The information that next bit computer is gathered according to engine sensor, judge the operating conditions of motor, calculate the time for spraying of fuel injection valve and the basic controlling parameters such as displacement of injection pulse width, ignition advance angle, igniting primary air angle of attachment and idle motors that basic pulsewidth, closed loop air fuel ratio are regulated in real time, control 4 fuel gas injection electromagnetic valves, control the engine ignition sequential by analog input card DO1～DO4 and jet drive circuit, realize idle speed control by analog input card DO7～DO10 and idle speed step motor drive circuit by analog input card DO5 and DO6.
In conjunction with Fig. 3, present embodiment is by host computer, next bit computer and motor and sensor and final controlling element mounted thereto.As previously mentioned, the utility model possesses gas engine on line control, control algorithm off-line simulation and controller hardware in three kinds of functions of ring emulation.Wherein, exploitation of control algorithm off-line and controller hardware do not need actual engine in ring emulation, so motor shows with empty frame table.Realize four kinds of functions at host computer: set up the off-line simulation analysis of gas engine control system model, generation system control model code, control algorithm and the assessment and the test data reprocessing of control effect.Lower-position unit real time execution engine mockup is gathered engine operation condition information by signal processing apparatus, realizes fuel gas injection control.The controlling method of present embodiment is: development device utilizes MATLAB graphic programming development environment to set up corresponding gas engine control system model, utilize RTW to generate the xPC object code of gas engine control model, after setting up the control model, by the simulation analysis of off-line state, tentatively the control effect of control algorithm is assessed; The xPC object code of running gear real time execution gas engine control model, signal processing apparatus feedback engine information is given running gear, the engine information that running gear provides according to signal processing apparatus is judged the operating conditions of motor, by real-time calculating, adjust and demarcate the Control Parameter of running gear, on line control multi-point gas injection valve, spark coil, idle speed step motor, nozzle and ignition drive circuit, adopt ICP/IP protocol to carry out network service between development device and the running gear, development device is preserved to online adjustment of Control Parameter and demarcation in the control algorithm of running gear real time execution and with the data in real time that monitors.
Claims (2)
1. gas engine electric-controlled jetting controller, it is characterized in that: it comprises development device, running gear and signal processing apparatus, development device is connected with running gear by Ethernet, running gear and signal processing apparatus are interconnected, signal processing apparatus comprises the industrial data analog input card, input signal conditioning module and output signal driver module, industrial data analog input card and running gear are interconnected, the input signal conditioning module connects the industrial data analog input card, the sensor that is installed on the gas engine connects the input signal conditioning module, the output of industrial data analog input card connects the output signal driver module, and the output signal driver module connects gas engine actuator.
2. gas engine electric-controlled jetting controller according to claim 1, it is characterized in that: described input signal conditioning circuit connects throttle sensor, air inlet pressure sensor, intake air temperature sensor, cooling-water temperature transmitter, detonation sensor, speed probe and lambda sensor, output signal driver circuit comprises ignition drive circuit, multi-point injection control valve drive circuit and idle motors drive circuit, ignition drive circuit tie point fire coil, the idle motors drive circuit connects idle motors, and multi-point injection control valve drive circuit connects the low-pressure fuel gas nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201160376U CN201034050Y (en) | 2007-04-20 | 2007-04-20 | Electrical controlled spraying controlling equipment for gas engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201160376U CN201034050Y (en) | 2007-04-20 | 2007-04-20 | Electrical controlled spraying controlling equipment for gas engine |
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| Publication Number | Publication Date |
|---|---|
| CN201034050Y true CN201034050Y (en) | 2008-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201160376U Expired - Fee Related CN201034050Y (en) | 2007-04-20 | 2007-04-20 | Electrical controlled spraying controlling equipment for gas engine |
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| CN (1) | CN201034050Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512617A (en) * | 2012-12-04 | 2014-01-15 | 中国船舶重工集团公司第七一一研究所 | Measuring system for actuation time and phase of intelligent low-speed diesel electric actuator |
| CN104295380A (en) * | 2014-08-15 | 2015-01-21 | 华南农业大学 | Control system for engine consuming CNG/gasoline |
| CN104632432A (en) * | 2014-12-11 | 2015-05-20 | 重庆凯瑞燃气汽车有限公司 | Gas engine electronic control device for commercial vehicle and control method of device |
| CN105353645A (en) * | 2015-10-13 | 2016-02-24 | 哈尔滨东安汽车发动机制造有限公司 | Solenoid valve testing device and method |
| CN105756787A (en) * | 2016-03-28 | 2016-07-13 | 龙岩学院 | Biogas engine control system |
-
2007
- 2007-04-20 CN CNU2007201160376U patent/CN201034050Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512617A (en) * | 2012-12-04 | 2014-01-15 | 中国船舶重工集团公司第七一一研究所 | Measuring system for actuation time and phase of intelligent low-speed diesel electric actuator |
| CN103512617B (en) * | 2012-12-04 | 2016-06-08 | 中国船舶重工集团公司第七一一研究所 | The opening time of intelligent low speed machine electric actuator and phase measurement system |
| CN104295380A (en) * | 2014-08-15 | 2015-01-21 | 华南农业大学 | Control system for engine consuming CNG/gasoline |
| CN104632432A (en) * | 2014-12-11 | 2015-05-20 | 重庆凯瑞燃气汽车有限公司 | Gas engine electronic control device for commercial vehicle and control method of device |
| CN104632432B (en) * | 2014-12-11 | 2017-11-14 | 重庆凯瑞燃气汽车有限公司 | Commercial car gas engine electronic-controlled installation and its control method |
| CN105353645A (en) * | 2015-10-13 | 2016-02-24 | 哈尔滨东安汽车发动机制造有限公司 | Solenoid valve testing device and method |
| CN105353645B (en) * | 2015-10-13 | 2018-01-30 | 哈尔滨东安汽车发动机制造有限公司 | A kind of pilot solenoid valve device and test method |
| CN105756787A (en) * | 2016-03-28 | 2016-07-13 | 龙岩学院 | Biogas engine control system |
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| 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: 20080312 |