CN103309304A - Engine test field controller - Google Patents
Engine test field controller Download PDFInfo
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- CN103309304A CN103309304A CN2013101748829A CN201310174882A CN103309304A CN 103309304 A CN103309304 A CN 103309304A CN 2013101748829 A CN2013101748829 A CN 2013101748829A CN 201310174882 A CN201310174882 A CN 201310174882A CN 103309304 A CN103309304 A CN 103309304A
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention aims to provide an engine test field controller which is mainly used for controlling the operation of an engine in the engine test process and can be coordinated with various external analog sensors or actuators to simulate the operating conditions of the engine, meanwhile the engine test platform field controller receives various control instructions from a PC (personal computer) through a CAN (controller area network) line or K_line and uploads the operating parameters and state parameters of the engine to the PC. The engine test platform field controller comprises an ignition switch unit, a sensor/actuator simulation connector, an accelerator input unit, a man-machine interaction interface, a power supply input/output unit and the like. The engine test field controller is designed on the basis of actual needs of enterprises, realizes the mode selection of an accelerator, the conversion of an electronic accelerator signal, the data communication function of an ECU (electronic control unit) and the PC and the like, and obtains good effect in field application.
Description
Technical field
The present invention relates to a kind of automotive engine test equipment, specifically a kind of field controller for Engine Block Test.
Background technology
Generally, a engine is after design typification, advanced development out, must in testboard bay, carry out various types of performance tests, whether the indices of verifying this engine reaches designing requirement, engine after qualified by testing authentication just can be examined volume production, puts on market.In order to make orderly the carrying out of Engine Block Test work, except carrying out the testboard bay building, the engine test table field controller is connecting engine electronic control unit (ECU) and the requisite equipment of control stand before the test.Document " exploitation of engine pedestal automatic measuring and controlling system " (Chinese instrument and meter, o. 11th in 2011) has been introduced a kind of engine pedestal automatic measuring and controlling system of CAN bussing technique exploitation.Document " based on the engine rig test TT﹠C system of visual instrument " (robotization and instrument and meter, the 4th phase in 2010) introduces a kind of engine pedestal TT﹠C system based on visual instrument, realized the full-automation that engine rig test measurement, control, record, data are processed.Technical literature all can be realized engine performance measuring, but does not all relate to the research of the connection device (engine test table field controller) between engine electronic control unit (ECU) and the control stand.
The engine test table field controller with the control signal (comprising ignition signal, throttle signal etc.) of outside through processing the electronic control unit (ECU) that is sent to engine, the operation conditions of control engine (comprising the rotating speed, torque, power of engine etc.); PC carries out data communication by engine test table field controller (CAN that this equipment provides or K_Line interface) and engine electronic control unit (ECU), read in real time parameters in the engine operation process (comprising rotating speed, torque, power, fuel oil, temperature, pressure of engine etc.), be more conducive to research and development test and the production test of engine.
Summary of the invention
The purpose of this invention is to provide a kind of Engine Block Test field controller, be mainly used in the operation control of engine in the Engine Block Test process, cooperate external various analog sensors or actuator, some operating modes to engine operation are simulated, simultaneously, the engine test table field controller provides CAN line and the K_Line communication interface of PC to engine electronic control unit (ECU), the engine test table field controller receives all kinds of steering orders from PC by CAN line or K_Line, and operational factor and the state parameter of engine is uploaded to PC.
The Engine Block Test field controller can be realized field control function and data communication function, and the field control function comprises: (1) control engine is lighted a fire, is stopped and normally operation; (2) cooperate various kinds of sensors or actuator, the operating condition of control engine; (3) power supply is directly exported and the relay output control function.(4) throttle type, model selection and signal conversion.Data communication function comprises: (1) provides the CAN line data communication between engine test table field controller and the engine electronic control unit (ECU); (2) provide CAN line and K_Line data communication between engine electronic control unit (ECU) and the PC; (3) provide the control of engine test table field controller RS232 and CAN line interface, make things convenient for program to download and the debugging of CAN message.
The technical solution used in the present invention is as follows for achieving the above object: a kind of Engine Block Test field controller, comprise sensor/actuator emulation joint: be used for external sensor or actuator, finish the data transmission between sensor or actuator and the engine electronic control unit (ECU), the more operating operating modes of simulated engine.
Ignition switch unit: be used for connecting ignition switch and the ignition control signal that ignition switch is sent is sent to engine electronic control unit (ECU); Thereby the igniting of control engine, stop and normally the operation.
Throttle input block: be used for external throttle input equipment (comprising mechanical throttle and E-Gas), and be provided with various selective throttle input patterns, throttle signal is sent to engine electronic control unit (ECU).
The selection of throttle type (mechanical throttle or E-Gas) and pattern (single mode or bimodulus) is to select by the human-computer interaction interface of engine test table field controller, and the throttle input pattern that is made of the throttle type and model comprises electronics single mode, electronics bimodulus, mechanical single mode and mechanical bimodulus.Wherein E-Gas will be through overvoltage signal by the linear transformation of DC 0-10V to DC 0-5V, this linear transformation is to realize by the circuit that first decay is amplified again, to by the voltage signal (0-5V) of E-Gas and the size of reference voltage signal after the comparer comparison linear transformation, come the voltage signal of given corresponding low idling with this in addition.Be about to the signal of E-Gas input first through the attenuation network decay, the K61 pin of input engine electronic control unit after being amplified by amplifying circuit again; Signal and reference voltage input comparator after amplifying circuit amplifies compare, and comparer is inputted the result on the K16 pin of engine electronic control unit.
Human-computer interaction interface (comprising keyboard and LCD display): carry out the selection of throttle input pattern at human-computer interaction interface, then carry out throttle signal by MCU control throttle input block with selected throttle input pattern and send.
K-Line interface: be used for being connected with PC by the K-Line controller; The mode of engine electronic control unit by bus receives instruction and the signal that PC and above each unit send, and control engine operation, and the operational factor of test engine and state parameter upload to PC with operational factor and the state parameter of engine.
Further be provided with the power supply I/O unit, wherein the power supply output unit provides 2 road DC24V power supplys directly to export, and 2 road DC12V and 2 road DC24V power supply relay output interfaces are made power supply for relevant external unit.
Further be provided for CAN interface and the RS232 interface of data communication.The data communication of CAN line between engine test table field controller and the engine electronic control unit (ECU) is provided, makes things convenient for the engine test table field controller to read correlation parameter in the engine electronic control unit (ECU) (comprising model, software version of ECU etc.).
CAN line and K_Line data communication between engine electronic control unit (ECU) and the PC are provided, the engine test table field controller receives all kinds of steering orders from PC by CAN line or K_Line, and operational factor and the state parameter of engine is uploaded to PC.
The control of engine test table field controller RS232 interface and CAN line interface is provided, makes things convenient for program to download and the debugging of CAN message.
Further be provided with anti-lightning strike and overvoltage crowbar.
Remarkable result of the present invention: cooperate switch board to realize field control and data communication function to engine, both can realize the test of the heat in the engine research, development process, can realize again on the production line cold test to engine.Be beneficial in the engine research, development process or on the production line engine done the data acquisition of dependence test and parameters.
Description of drawings
Fig. 1 is the modular structure block diagram of Engine Block Test field controller;
Fig. 2 is Engine Block Test field controller principle assumption diagram;
Fig. 3 is electronics single mode signal transfer principle figure.
Embodiment
Below in conjunction with accompanying drawing invention is further described.
Referring to Fig. 1, a kind of Engine Block Test field controller comprises K-Line interface 1, CAN interface 2, human-computer interaction interface 6, micro-control unit MCU7, power supply I/O unit 8, RS232 interface 9; Be used for the sensor of external sensor or actuator/actuator emulation joint 3, the signal that sensor is sent sends to engine electronic control unit, and actuator receives the control signal that engine electronic control unit sends and carries out; The ignition switch unit 4 that is used for connecting ignition switch and the ignition control signal that ignition switch is sent is sent to engine electronic control unit; Be used for external throttle input equipment, and be provided with various selective throttle input patterns, throttle signal is sent to the throttle input block 5 of engine electronic control unit.Carry out the selection of throttle input pattern at human-computer interaction interface, then carry out throttle signal by MCU control throttle input block with selected throttle input pattern and send; By the K-Line controller of inventor herein's independent development or in the market the K-Line controller of existing this control unit interface mode that meets of selling be connected with PC, PC is to the engine electronic control unit sending controling instruction, and receives engine operating parameter and state parameter that engine electronic control unit is uploaded.
Engine is connected with engine electronic control unit, engine electronic control unit and Engine Block Test field controller carry out data communication with bus mode, connect by the ECU joint, engine electronic control unit obtains the operation of signal controlling engine from the Engine Block Test field controller, and the operational factor of test engine and state parameter.
As shown in Figure 2: in the field control function of Engine Block Test field controller, the igniting of engine, stopping and normally moving is to send control signal (being ignition switch) by switch board, deliver to (being the ignition switch unit 4 among Fig. 1) that engine electronic control unit (ECU) is realized via the engine test table field controller, the specific works process is: when ignition switch is closed, engine electronic control unit (ECU) powers on, engine begins to start, start rear engine and operate in idling mode, can add throttle signal afterwards, engine normally moves, if the disconnection ignition switch, then engine stop operation.ECU joint and emulation joint use heavy-duty connector (such as the heavy-duty connector of German Harting company).
It is emulation joint among Fig. 2 that the Engine Block Test field controller is furnished with sensor/actuator emulation joint 3(), can cooperate relevant external sensor or actuator, some operating modes of engine operation are simulated; The signal of emulation joint has: long-range accelerator pedal enable switch, the input of long-range accelerator pedal signal, locomotive speed sensor input, polymorphic switch, fan speed sensor's input, diagnosis request switch etc., for example: can connect long-range accelerator pedal at the long-range accelerator pedal signal input interface of emulation joint, long-range accelerator pedal enable switch joint connecting valve equipment enables long-range accelerator pedal and can utilize long-range accelerator pedal that the throttle signal of engine is simulated control; And for example can add locomotive speed sensor at the locomotive speed sensor interface of emulation joint, the travelling speed of locomotive be simulated etc.
The Engine Block Test field control is provided with the power supply I/O unit, and wherein the power supply output unit provides 2 road DC24V power supplys direct output interface, and 2 road DC12V and 2 road DC24V power supply relay output interfaces are made power supply for relevant external unit.The input end of relay output interface connects the output terminal of relay, and the input end of relay is connected with the output terminal of driving circuit, and the input end of driving circuit connects the MCU(microcontroller) 7.
A kind of Engine Block Test field controller; in the described field control function; the selection of throttle type (mechanical throttle or E-Gas) and pattern (single mode or bimodulus) is to realize by the human-computer interaction interface of engine field controller; be keyboard and the LCD display module among Fig. 2; wherein mechanical throttle and E-Gas have single mode input and two kinds of mode of operations of bimodulus input; namely can realize mechanical single mode by human-computer interaction interface; the machinery bimodulus; switching between the selection of electronics single mode and four kinds of throttle input patterns of electronics bimodulus, four kinds of patterns realizes by electronic relay.
Under mechanical mode; what mechanical mode input end outside connected is mechanical pedal; select all its simulating signal not to be processed under two kinds of patterns of mechanical single mode or mechanical bimodulus; this engine test table field controller only needs according to the mechanical throttle input pattern (being mechanical single mode or mechanical bimodulus) of selecting, and its corresponding passage is connected to engine electronic control unit (ECU) gets final product.
Under electronic pattern, what E-Gas input end outside connected is the adjustable stabilized voltage supply signal of DC 0-10V, and the throttle input voltage range of engine electronic control unit (ECU) is DC 0-5V, therefore must carry out the linear transformation of voltage signal.Figure specifies in conjunction with Fig. 3 electronics single mode signal shift theory, at first selecting the throttle input pattern by human-computer interaction interface is electronics single mode pattern, the electronic relay conducting relevant with electronics single mode pattern, other electronic relay is closed, and connects electronics single mode pattern passage.As shown in Figure 3, the voltage signal of E-Gas (DC 0-10V) at first decays to original 1/4 through attenuation network, and then through 2 times of operational amplifier amplifications, can obtain the voltage signal of DC 0-5V, deliver to the K61 pin (throttle input pin) of engine electronic control unit (ECU), with after this signal and reference voltage (0.7-0.9V) the comparison pressure limiting, deliver to the K16 pin (low idle speed control pin) of ECU again.Under electronics bimodulus pattern, need the two-way analog input signal, one the tunnel is that the signal of DC 0-10V is transformed into DC 0-5V(translation circuit with electronics single mode pattern) deliver to the corresponding signal pin of engine electronic control unit (ECU), another road is another respective pins of the signal (translation circuit is with electronics single mode pattern) that the signal of the DC 0-5V of previous stage output is transformed into DC 0-2.5V being delivered to engine electronic control unit (ECU).
In the data communication function shown in Figure 2, the data communication of CAN line between engine test table field controller and the engine electronic control unit (ECU) is provided, makes things convenient for the engine test table field controller to read correlation parameter in the engine electronic control unit (ECU) (comprising model, software version of ECU etc.).
Provide CAN line between engine electronic control unit (ECU) and the PC with K_Line data communication be connected the interface that is connected with the PC end among Fig. 3), the engine test table field controller receives all kinds of steering orders from PC by CAN line or K_Line, and operational factor and the state parameter of engine is uploaded to PC.
The control of engine test table field controller RS232 and CAN line interface is provided, makes things convenient for program to download and the debugging of CAN message.
Be provided with anti-lightning strike and overvoltage crowbar.
Claims (8)
1. an Engine Block Test field controller is characterized in that: comprise sensor/actuator emulation joint: be used for external sensor or actuator, finish the data transmission between sensor or actuator and the engine electronic control unit;
Ignition switch unit: be used for connecting ignition switch and the ignition control signal that ignition switch is sent is sent to engine electronic control unit;
Throttle input block: be used for external throttle input equipment, and be provided with various selective throttle input patterns, throttle signal is sent to engine electronic control unit;
Human-computer interaction interface: carry out the selection of throttle input pattern at human-computer interaction interface, then carry out throttle signal by MCU control throttle input block with selected throttle input pattern and send;
K-Line interface: be used for being connected with PC by the K-Line controller;
The mode of engine electronic control unit by bus receives instruction and the signal that PC and above each unit send, and control engine operation, and the operational factor of test engine and state parameter upload to PC with operational factor and the state parameter of engine.
2. described Engine Block Test field controller according to claim 1 is characterized in that: also comprise CAN interface and RS232 interface.
3. described Engine Block Test field controller according to claim 1, it is characterized in that: described human-computer interaction interface comprises keyboard and LCD display.
4. described Engine Block Test field controller according to claim 1, it is characterized in that: described throttle input equipment comprises E-Gas and mechanical throttle.
5. described Engine Block Test field controller according to claim 1, it is characterized in that: described throttle input pattern comprises electronics single mode, electronics bimodulus, mechanical single mode and mechanical bimodulus.
6. described Engine Block Test field controller according to claim 5, it is characterized in that: described electronics single mode will be changed through following signal: the signal of E-Gas input is amplified the throttle input pin of rear input engine electronic control unit more first through the attenuation network decay by amplifying circuit; Signal and reference voltage input comparator after amplifying circuit amplifies compare, and the low idle speed control pin of engine electronic control unit inputted the result by comparer.
7. described Engine Block Test field controller according to claim 1, it is characterized in that: be provided with the power supply I/O unit, the power supply output unit is used for providing power supply to external equipment.
8. described Engine Block Test field controller according to claim 1 is characterized in that: be provided with anti-lightning strike and overvoltage crowbar.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013101748829A CN103309304A (en) | 2013-05-13 | 2013-05-13 | Engine test field controller |
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| CN2013101748829A CN103309304A (en) | 2013-05-13 | 2013-05-13 | Engine test field controller |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103631256A (en) * | 2013-12-03 | 2014-03-12 | 北京亚新科天纬油泵油嘴股份有限公司 | Engine signal simulation test bench and method of testing ECU (electronic control unit) therebof |
| CN103978898A (en) * | 2013-11-12 | 2014-08-13 | 陕西国力信息技术有限公司 | Detecting method for X and Y CPU accelerator pedal signal of AMT (Automated Mechanical Transmission) system |
| CN104678777A (en) * | 2013-11-28 | 2015-06-03 | 北车大连电力牵引研发中心有限公司 | Test system |
| CN109443774A (en) * | 2018-12-26 | 2019-03-08 | 绵阳亿丰达智能装备有限公司 | A kind of engine hot type platform revolution speed control system and its method |
| CN109630293A (en) * | 2018-12-18 | 2019-04-16 | 安徽江淮汽车集团股份有限公司 | A kind of cylinder deactivation test control system |
| CN110389571A (en) * | 2018-04-20 | 2019-10-29 | 广州小鹏汽车科技有限公司 | A kind of bus automatization test system and method |
| CN111142505A (en) * | 2019-12-30 | 2020-05-12 | 威伯科汽车控制系统（中国）有限公司 | Brake signal transmitter function test device |
| CN113034883A (en) * | 2021-02-26 | 2021-06-25 | 广西玉柴机器股份有限公司 | Method and device for realizing virtual post-processing system platform |
| CN114019826A (en) * | 2021-10-12 | 2022-02-08 | 湖北三江航天红林探控有限公司 | Semi-physical simulation test system and method for solid attitude control power system controller |
-
2013
- 2013-05-13 CN CN2013101748829A patent/CN103309304A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103978898A (en) * | 2013-11-12 | 2014-08-13 | 陕西国力信息技术有限公司 | Detecting method for X and Y CPU accelerator pedal signal of AMT (Automated Mechanical Transmission) system |
| CN103978898B (en) * | 2013-11-12 | 2017-06-20 | 陕西国力信息技术有限公司 | A kind of accelerator pedal signal detection method of two CPU of AMT system X, Y |
| CN104678777A (en) * | 2013-11-28 | 2015-06-03 | 北车大连电力牵引研发中心有限公司 | Test system |
| CN103631256A (en) * | 2013-12-03 | 2014-03-12 | 北京亚新科天纬油泵油嘴股份有限公司 | Engine signal simulation test bench and method of testing ECU (electronic control unit) therebof |
| CN103631256B (en) * | 2013-12-03 | 2016-02-10 | 北京亚新科天纬油泵油嘴股份有限公司 | A kind of method of engine signal analog simulation test board and test ECU thereof |
| CN110389571A (en) * | 2018-04-20 | 2019-10-29 | 广州小鹏汽车科技有限公司 | A kind of bus automatization test system and method |
| CN109630293A (en) * | 2018-12-18 | 2019-04-16 | 安徽江淮汽车集团股份有限公司 | A kind of cylinder deactivation test control system |
| CN109630293B (en) * | 2018-12-18 | 2021-07-20 | 安徽江淮汽车集团股份有限公司 | Cylinder deactivation test control system |
| CN109443774A (en) * | 2018-12-26 | 2019-03-08 | 绵阳亿丰达智能装备有限公司 | A kind of engine hot type platform revolution speed control system and its method |
| CN109443774B (en) * | 2018-12-26 | 2024-04-12 | 绵阳亿丰达智能装备有限公司 | Engine heating type table rotating speed control system and method thereof |
| CN111142505A (en) * | 2019-12-30 | 2020-05-12 | 威伯科汽车控制系统（中国）有限公司 | Brake signal transmitter function test device |
| CN113034883A (en) * | 2021-02-26 | 2021-06-25 | 广西玉柴机器股份有限公司 | Method and device for realizing virtual post-processing system platform |
| CN114019826A (en) * | 2021-10-12 | 2022-02-08 | 湖北三江航天红林探控有限公司 | Semi-physical simulation test system and method for solid attitude control power system controller |
| CN114019826B (en) * | 2021-10-12 | 2023-11-03 | 湖北三江航天红林探控有限公司 | Semi-physical simulation test system and method for controller of solid attitude control power system |
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Application publication date: 20130918 |