CN2856961Y - Detector of engine control cell - Google Patents
Detector of engine control cell Download PDFInfo
- Publication number
- CN2856961Y CN2856961Y CN 200520147415 CN200520147415U CN2856961Y CN 2856961 Y CN2856961 Y CN 2856961Y CN 200520147415 CN200520147415 CN 200520147415 CN 200520147415 U CN200520147415 U CN 200520147415U CN 2856961 Y CN2856961 Y CN 2856961Y
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- control unit
- electronic control
- relay
- sensor
- interface
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- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a detecting system of an electronic motor control unit including a battery (1), a computer (18) and an electric control unit interface (6). The detecting system of an electronic motor control unit is characterized in that a relay of each component of an imitation automobile, a sensor for sensing the working state of the automobile, a bent axle signal producing wheel (21), an ignition coil (11), an idle speed motor (7) and a micro motor (20); said layer and sensor are connected with the electric control unit interface, and said idle speed motor is also connected with the electric control unit interface; the relay of each component of an imitation automobile is connected with an indicating lamp corresponding to each component of the imitation automobile; said bent axle signal producing wheel is installed on the rotating shaft of the micro-motor; a bent axle position sensor (19) which is connected with the electric control unit interface which is connected with said computer through a self-diagnostics interface is positioned around the bent axle signal producing wheel. The detecting system of an electronic motor control unit has advantages of a simple structure, a convenient operation, un-consumption of fuel, un-emission of exhaust, un-pollution of noise.
Description
[technical field]
The utility model relates to the checkout equipment of car engine electronic controller.
[background technology]
Along with motor car engine exhaust venting standard strictness and the energy-conservation needs of fuel oil energy resource consumption day by day, automotive engine control adopts electronic control means to realize.When electronic control means was adopted in engine control, its crucial parts were electronic control units, and the electronic control unit of engine (Electronic Control Unit) is called for short ECU.Its major function is the engine condition signal that receives various sensors and gauge tap input, the control program of working out in advance according to electronic control unit inside and the test figure of storage, by mathematical computations and logic determines, and definite distributive value and parameters such as injection time and ignition advance angle that adapt to engine operating condition, and be that electric signal is controlled various executive components and carried out action, thereby make engine keep optimal operational condition with these Parameters Transformation.At present, what the electronic control unit of domestic automobile engine adopted all is imported products, along with China's development of science and technology, and the electronic control unit product of also had the ability exploitation and production engine.When this electronic control unit product detects, all adopt motor car engine to detect, do not have special checkout equipment to detect, and checkout equipment is exploitation and produces the requisite equipment of engine electronic control unit product, this checkout equipment also is in space state in China.
[summary of the invention]
In view of the problem that background technology exists, the technical problems to be solved in the utility model provides a kind of pick-up unit of engine electronic control unit that can detection of engine electronic control unit product.
In order to solve the problems of the technologies described above, the utility model takes following technical scheme to finish: a kind of pick-up unit of engine electronic control unit, include battery, computer and electronic control unit interface, it is characterized in that this pick-up unit also includes the relay of each parts of simulated automotive, the sensor of induction vehicle behavior, crankshaft signal is taken turns, ignition coil, idling motor and micromachine, described various relay all is connected with the electronic control unit interface with sensor, described idling motor also is connected with the electronic control unit interface, be connected with on the relay of described each parts of simulated automotive and the corresponding pilot lamp of each parts of simulated automotive, wheel takes place and is installed in the rotating shaft of micromachine in described crankshaft signal, near taking turns, crankshaft signal is provided with crankshaft position sensor, this crankshaft position sensor also is connected with the electronic control unit interface, and described electronic control unit interface is connected with described computer by the self diagnosis interface; The relay of described each parts of simulated automotive comprises to be had simulation atomizer relay, simulation fuel pump relay and simulates the Valve EGR relay, is connected with the electronic control unit interface after each relay parallel connection; The sensor of described induction vehicle behavior comprises throttle position sensor, lambda sensor, temperature and pressure transmitter, detonation sensor, Hall element and cooling-water temperature sensor, and each sensor is connected with the electronic control unit interface respectively independently.
The utility model adopts each execution unit in the relay replacement electronic engine management system, adopt the minitype motor driving crankshaft signal to take turns, the simulated engine operating condition, it is simple in structure, and is easy to operate, need not fuel consumption, non-exhaust emission, advantages such as noise-less pollution, and with self diagnosis interface connection computer, by the fault and the elimination diagnostic trouble code of computer diagnostic electronic control unit product.Replaced work fully, for homemade engine electronic control unit Products Development and production provide guarantee with engine detected electrons control module product.
[description of drawings]
Further describe the relevant details of embodiment below more in conjunction with the accompanying drawings.
Fig. 1 is a structural representation of the present utility model;
The structural representation of wheel takes place in Fig. 2 for the utility model crankshaft signal.
[embodiment]
In conjunction with Fig. 1, Fig. 2, the pick-up unit of this engine electronic control unit, include battery 1, computer 18 and electronic control unit interface 6, this pick-up unit also includes the relay 3 of simulated automotive atomizer, the relay 5 of the relay 4 of simulation fuel pump and simulation Valve EGR, be connected with electronic control unit interface 6 after these relay parallel connections, this pick-up unit also comprises the throttle position sensor 8 of responding to vehicle behavior, lambda sensor 13, temperature and pressure transmitter 14, detonation sensor 15, Hall element 16 and cooling-water temperature sensor 17, described Hall element promptly are a kind of camshaft-signal sensors; These sensors are connected with electronic control unit interface 6 respectively independently; This pick-up unit also is provided with crankshaft signal wheel 21 takes place, ignition coil 11, idling motor 7 and micromachine 20, described ignition coil 11 is connected with spark plug 12, described idling motor 7 also is connected with electronic control unit interface 6, the relay of described various each parts of simulated automotive is connected with the pilot lamp 2 corresponding with each parts of simulated automotive, 23,22, be to be connected with the atomizer pilot lamp on the relay contact of simulated automotive atomizer, be connected with the fuel pump pilot lamp on the relay contact of simulation fuel pump, be connected with the Valve EGR pilot lamp on the relay contact of simulation Valve EGR; Battery is an accumulator, and accumulator is by each relay and corresponding pilot lamp connection, and as the power supply of pilot lamp, also as the power supply of micromachine 20, promptly battery connects micromachines 20 by starter motor relay 9 to this battery.Wheel 21 takes place and is installed in the rotating shaft of micromachine 20 in described crankshaft signal, takes place to be provided with crankshaft position sensor 19 near the wheel 21 at crankshaft signal, and this crankshaft position sensor 19 also is connected with electronic control unit interface 6.Wheel 21 takes place and is provided with convex tooth 26 in crankshaft signal, and it can produce pulse signal when rotating, and is used for the operating condition of simulated engine; Its operating condition is sent on the detected electronic control unit by crankshaft position sensor 19.These above-mentioned unit constructions are simulated a complete relatively motor car engine and electric-control system together exactly, and the electronic control unit product is controlled these parts on the automobile.Its electronic control unit interface 6 is connected with described computer 18 by self diagnosis interface 10, judges the working condition of electronic control unit by computer 18; Described self diagnosis interface is that known self diagnosis interface the utility model is that the control procedure of Electronic Control product to these parts detected in the present technique field, judges whether this electronic control unit is qualified.
During the utility model work, electronic control unit product to be detected is connected with this device by electronic control unit interface 6, connects connection switch 25, make electronic control unit product to be detected enter holding state; At electronic control unit is under the situation of specification product, and when connecting ignition switch 24, micromachine 20 starts, and drives crankshaft signal generation wheel 21 and rotates, and promptly is equivalent to the engine that starts.Be installed near crankshaft signal generation wheel 21 crankshaft position sensors 19 and determined crank position upper dead center angle of advance, electronic control unit sends fuel injection pulse signal, the relay 3 of simulation atomizer begins adhesive and release according to pulsed frequency, and the atomizer pilot lamp 2 of simulation atomizer flashes thereupon; As a same reason, the relay 5 of the relay 4 of simulation fuel pump and simulation Valve EGR all flashes thereupon; Ignition coil 11 switches on or off the primary current of ignition coil in good time, and produces high-tension electricity, and spark plug 12 sends spark; Lambda sensor 13 heating element circuit heat sensing element, and temperature and pressure transmitter 14, detonation sensor 15, Hall element 16 and cooling-water temperature sensor 17 all enter duty.The utility model is when detecting, be that the relay of each parts of supposition simulated automotive, sensor and other parts of induction vehicle behavior all carry out under the situation normally, that is to say, when using the utility model, guarantee the normal condition of each parts, just can improve the accuracy of detection of electronic control unit product.When the pilot lamp 22 of the pilot lamp 23 of the pilot lamp 2 of simulation atomizer or simulation fuel pump or simulation Valve EGR when not flashing, just illustrate that detected electronic control unit product has fault; Various sensors are all with after electronic control unit interface 6 is connected, and electronic control unit interface 6 is connected with computer 18 by self diagnosis interface 10 again; In computer 18 main frames diagnostic software is installed, various sensors all have corresponding diagnostic trouble code in computer, and when diagnostic software showed diagnostic trouble code, the fault that just can judge the electronic control unit product soon wherein; When electronic control unit is not controlled the idling motor, perhaps micromachine is not worked, and perhaps spark plug misfires, and can judge detected electronic control unit product is substandard product, and can judge its failure cause soon, so that carry out next step processing.
Claims (3)
1, a kind of pick-up unit of engine electronic control unit, include battery (1), computer (18) and electronic control unit interface (6), it is characterized in that this pick-up unit also includes the relay of each parts of simulated automotive, the sensor of induction vehicle behavior, crankshaft signal is taken turns (21), ignition coil (11), idling motor (7) and micromachine (20), described various relay all is connected with electronic control unit interface (6) with sensor, described idling motor (7) also is connected with electronic control unit interface (6), be connected with on the relay of described each parts of simulated automotive and the corresponding pilot lamp of each parts of simulated automotive, described crankshaft signal is taken turns in the rotating shaft that (21) be installed in micromachine (20), near taking turns, crankshaft signal is provided with crankshaft position sensor (19), this crankshaft position sensor (19) also is connected with electronic control unit interface (6), and described electronic control unit interface (6) is connected with described computer (18) by self diagnosis interface (10).
2, the pick-up unit of engine electronic control unit according to claim 1, the relay that it is characterized in that described each parts of simulated automotive comprises simulation atomizer relay (3), simulation fuel pump relay (4) being arranged and simulate Valve EGR relay (5), is connected with electronic control unit interface (6) after described each relay parallel connection.
3, the pick-up unit of engine electronic control unit according to claim 1, the sensor that it is characterized in that described induction vehicle behavior comprises throttle position sensor (8), lambda sensor (13), temperature and pressure transmitter (14), detonation sensor (15), Hall element (16) and cooling-water temperature sensor (17), and described each sensor is connected with electronic control unit interface (6) respectively independently.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520147415 CN2856961Y (en) | 2005-12-30 | 2005-12-30 | Detector of engine control cell |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520147415 CN2856961Y (en) | 2005-12-30 | 2005-12-30 | Detector of engine control cell |
Publications (1)
Publication Number | Publication Date |
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CN2856961Y true CN2856961Y (en) | 2007-01-10 |
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CN 200520147415 Expired - Fee Related CN2856961Y (en) | 2005-12-30 | 2005-12-30 | Detector of engine control cell |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101358858B (en) * | 2007-07-31 | 2010-06-16 | 比亚迪股份有限公司 | Detection device and method for crankshaft position sensor |
CN101441133B (en) * | 2008-12-12 | 2010-06-23 | 天津锐意泰克汽车电子有限公司 | Diagnostic method of automobile crankshaft sensor signal |
CN101515176B (en) * | 2008-08-29 | 2012-02-08 | 郭春勇 | Detection device and detection method for electric control system |
CN103018049A (en) * | 2012-12-25 | 2013-04-03 | 潍柴动力股份有限公司 | System and method for acquiring road spectrum of engine of mechanical pump |
CN103915007A (en) * | 2014-04-17 | 2014-07-09 | 姜斯平 | Diesel vehicle whole-vehicle rack simulation demonstration device |
US9157825B2 (en) | 2008-05-01 | 2015-10-13 | GM Global Technology Operations LLC | Engine knock diagnostic |
US9441556B2 (en) | 2013-03-15 | 2016-09-13 | GM Global Technology Operations LLC | Noise updating systems and methods |
-
2005
- 2005-12-30 CN CN 200520147415 patent/CN2856961Y/en not_active Expired - Fee Related
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101358858B (en) * | 2007-07-31 | 2010-06-16 | 比亚迪股份有限公司 | Detection device and method for crankshaft position sensor |
US9157825B2 (en) | 2008-05-01 | 2015-10-13 | GM Global Technology Operations LLC | Engine knock diagnostic |
CN101515176B (en) * | 2008-08-29 | 2012-02-08 | 郭春勇 | Detection device and detection method for electric control system |
CN101441133B (en) * | 2008-12-12 | 2010-06-23 | 天津锐意泰克汽车电子有限公司 | Diagnostic method of automobile crankshaft sensor signal |
CN103018049A (en) * | 2012-12-25 | 2013-04-03 | 潍柴动力股份有限公司 | System and method for acquiring road spectrum of engine of mechanical pump |
CN103018049B (en) * | 2012-12-25 | 2015-09-09 | 潍柴动力股份有限公司 | The system and method for a kind of collection machinery pump engine road spectrum |
US9441556B2 (en) | 2013-03-15 | 2016-09-13 | GM Global Technology Operations LLC | Noise updating systems and methods |
CN103915007A (en) * | 2014-04-17 | 2014-07-09 | 姜斯平 | Diesel vehicle whole-vehicle rack simulation demonstration device |
CN103915007B (en) * | 2014-04-17 | 2016-04-20 | 姜斯平 | Diesel vehicle full car bench simulation apparatus for demonstrating |
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Legal Events
Date | Code | Title | Description |
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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: 20070110 Termination date: 20111230 |