CN203397151U - Lossless high-efficiency detector for ECU (Electronic Control Unit) of retired automobile engine - Google Patents
Lossless high-efficiency detector for ECU (Electronic Control Unit) of retired automobile engine Download PDFInfo
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- CN203397151U CN203397151U CN201320500477.7U CN201320500477U CN203397151U CN 203397151 U CN203397151 U CN 203397151U CN 201320500477 U CN201320500477 U CN 201320500477U CN 203397151 U CN203397151 U CN 203397151U
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Abstract
The utility model relates to a lossless high-efficiency detector for an ECU of a retired automobile engine. The detector comprises a clamp stage, a signal simulating system, a signal conditioning box, a throttle pedal, a lock pin, a key, fuel injectors, a throttle valve and a meter panel, wherein the signal simulating system generates/outputs an analog sensor signal and an analog switch signal according to set condition of the automobile engine, and obtains a standard execution signal via calculation; the detected ECU of the retired automobile engine calculates the analog sensor signal and the analog switch signal and obtains a detected analog execution signal; and the signal simulating system records and displays whether response to changes of the analog sensor signal and the analog switch signal is correct, compares the standard execution signal with the detected analog execution signal, and determines whether the detected ECU of the retired automobile engine is qualified. The lossless high-efficiency detector can detect the retired engine ECU in both manual and automatic manners, and has the advantages including high efficiency, good environmental protection, simple operation, and reduced environmental pollution.
Description
Technical field
The utility model relates to a kind of pick-up unit of electronic unit, in particular the harmless efficient detection device of a kind of retired automotive electronic control system plate, belongs to electronic product recycling technical field.
Background technology
Expecting 2017 Nian， China will have the automobile over 7,780,000 to scrap, and to the year two thousand twenty, abandoned car will reach 9,950,000.Visible, the quantity of the retired engine electric-controlled plate of annual China will be surprising in the near future.At present, China does not generally process separately for retired automotive electronic control system plate, melts down, or carry out landfill disposal but cut packing Hou Song iron and steel enterprise with vehicle body.Because automotive electronic control system plate is containing poisonous and harmful substance, the low value-added way of recycling of therefore it being carried out to MAT'L recycling by electron wastes can produce serious pollution to environment.The reliability of automotive electronic control system plate is very high, and be generally 500,000 hours the designed life of its components and parts, yet the real working time is still less than 1/5th of its designed life.Therefore, after automobile is retired, engine electric-controlled plate also has very long residual life, can accomplish high added value recycling completely.In order to realize the high added value recycling of retired engine electric-controlled plate, re-manufacturing technology just arises at the historic moment.What is called is manufactured exactly by after disassembling, clean, detect the series of process such as classification, reprocessing, assembling again, makes retired engine electric-controlled plate have the quality and performance that even surpasses new product.Detection is again sport technique segment most crucial in manufacture process, it is the core process step of retired engine electric-controlled plate note added value recycling, it is the basic assurance of quality of manufacturing a product again, it should be through the overall process of product remanufacturing, whether can realize accurately and to detect, directly determine that can retired engine electric-controlled plate realize high attached value recycling.
Automotive electronic control system plate (ECU) is the core of automobile engine control system, it carries out computing according to various sensor signals and switching signal, result is flowed to actuator, to realize, comprise that fuel oil sprays the optimum control of (EFI) control, igniting (ESA) control, idle speed control (ISC), emission control, CAN bus communication etc.Therefore, the function of automotive electronic control system plate is various, control program is complicated, thereby causes its detection difficult, sense cycle is long, testing cost is high.Thereby accurately, comprehensively and to raise the efficiency be the technology Focal point and difficult point of retired automotive electronic control system plate testing.So far not yet find the domestic research work of carrying out retired automotive electronic control system plate context of detection that has.
Find by prior art documents, Chinese invention patent " a kind of engine electric-controlled unit ECU analoging detecting device and detection method " (publication number CN101718990B), it adopts the simulation external signal that connects of ECU and drives the method that the input of ECU general character, output interface are detected, substituted the method for testing by actual engine pedestal material object, obtained the effect of economical and convenient, be applicable to produce in enormous quantities.Yet, the ECU parts that this patent detected object is new production, and can only detect the performance of ECU, can not judge the whether qualified of ECU, its testing process is all completed automatically by coded program in addition, manually cannot intervene.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of retired automotive electronic control system plate to can't harm efficient detection device, can detect whole interfaces and the function of the old engine electric-controlled plate of disassembling on abandoned car, and determine whether this engine electric-controlled plate can re-use, reach the effect that improves detection efficiency, reduction labour intensity and testing cost, minimizing environmental pollution, and can realize artificial and automatically detect two kinds of modes, meeting better the needs of the attached value recycling of retired engine electric-controlled plate hight.
The utility model is achieved through the following technical solutions:
Automotive electronic control system plate can't harm an efficient detection device, and it comprises:
Clamping fixture table, sandwiched and connect tested retired automotive electronic control system plate, to transmit the input and output signal of this tested retired automotive electronic control system plate;
Signal imitation system, according to the motor car engine operating mode of setting, produce and export analog sensor signal and analog switch signal, this analog sensor signal and analog switch signal are calculated to acquisition standard executive signal simultaneously, and by recording and showing that executive signal responds the variation of analog sensor signal and analog switch signal, the tested simulation executive signal that calculates acquisition through tested retired automotive electronic control system plate that this standard executive signal and transmission are come compares, and makes the judgement whether tested retired automotive electronic control system plate is qualified and shows;
Signal process box, transmitted signal is nursed one's health, its one end is connected with described clamping fixture table, the other end is connected with described signal imitation system, analog sensor signal and the analog switch signal of described signal imitation system output are transferred to described tested retired automotive electronic control system plate by clamping fixture table, and the tested simulation executive signal that this tested retired automotive electronic control system plate is calculated to acquisition is transferred to described signal imitation system;
Gas pedal, connects described signal imitation system and the true accelerator pedal position signal of the different operating modes of motor car engine is provided;
Lock core and key, connect described clamping fixture table, controls the startup of tested retired automotive electronic control system plate and close;
Fuel injector, connects described clamping fixture table, according to described tested simulation executive signal, carries out true oil spout;
Air throttle, connects described clamping fixture table, shows the true throttle opening of different operating modes according to described tested simulation executive signal;
Panel board, connects described clamping fixture table, shows the true tachometer value of different operating modes according to described tested simulation executive signal.
Described signal imitation system comprises display and industrial computer, this industrial computer is connected with described display, signal process box and gas pedal respectively, this display shows described analog sensor signal, analog switch signal, standard executive signal and tested simulation executive signal, and the variation response to analog sensor signal and analog switch signal of display standard executive signal and tested simulation executive signal, and the comparative result of display standard executive signal and tested simulation executive signal.
Described analog sensor signal includes air flow sensor signal, intake air temperature sensor signal, cooling-water temperature sensor signal, intake pressure sensor signal, engine load sensor signal, tail gas oxygen level sensor signal, detonation sensor signal, top dead center position sensor signal, CRANK SENSOR and vehicle speed sensor signal.
Described analog switch signal includes ignition switch signal, neutral starting switch signal, Idle Switch signal, full load switch signal and air-conditioning request signal.
Described standard executive signal and tested simulation executive signal include respectively each cylinder ignition coil signal, each cylinder injector working signal, fuel pump relay signal, idling direct current generator signal, charcoal tank solenoid valve signal, air-conditioning work relay signal and EGR solenoid valve signal.
The motor car engine operating mode of described setting refers to high temperature, combination gas is dense and little loading condition, or low temperature, combination gas is rare and heavy load condition.
Compared with prior art, the beneficial effects of the utility model are:
1, the utility model adopts signal imitation system to complete the system simulation to motor car engine, it produces and exports analog sensor signal and analog switch signal according to the motor car engine operating mode of setting, and calculate acquisition standard executive signal, tested retired automotive electronic control system plate calculates the tested simulation executive signal of acquisition to the analog sensor signal of input and analog switch signal simultaneously, signal imitation system is by recording and showing that executive signal responds correctness to the variation of analog sensor signal and analog switch signal, this standard executive signal and tested simulation executive signal are compared, make the whether qualified judgement of tested retired automotive electronic control system plate, thereby realization is comprehensive to retired engine electric-controlled plate, in real time, graphical detection.
2, the utility model has been realized manual detection and the rapid conversion between detection automatically, can to retired engine electric-controlled plate, automatically detect quickly and accurately, and automaticity is high, simple to operate, and detection efficiency is high, can meet the needs of mass detection;
3, the utility model does not produce the material of any contaminated environment when work, meets the requirement of environmental protection;
4, the utility model makes retired automotive electronic control system plate realize high attached value recycling, retired automotive electronic control system plate send iron and steel enterprise to melt down or carries out landfill disposal, environmental pollution and the wasting of resources of effectively having avoided this recycling pattern to cause without cut together packing in company with vehicle body.
5, the utility model has solved the detection core technology link in retired automotive electronic control system plate hight added value recycling process, is the essential technique of quality assurance of manufacturing a product again, and it is through the overall process of product remanufacturing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the signal transmission schematic diagram of tested engine electric-controlled plate in the utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated; the present embodiment is implemented take technical solutions of the utility model under prerequisite; provided detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
Refer to Fig. 1, illustrate retired automotive electronic control system plate 10(ECU) for detected object of the present utility model, it is disassembled after retired and obtains for automobile.Described in the present embodiment, the harmless efficient detection device of retired automotive electronic control system plate comprises: clamping fixture table 9, signal imitation system 11, signal process box 8, gas pedal 3, lock core and key 2, fuel injector 4, air throttle 5 and panel board 6.
Described clamping fixture table 9 is in order to clamp tested retired automotive electronic control system plate 10(ECU) and transmit this tested retired automotive electronic control system plate 10(ECU) input and output signal; Described tested retired automotive electronic control system plate 10 is clamped on clamping fixture table 9, and is electrically connected to this clamping fixture table 9, thereby is connected with transmission of electric signals with miscellaneous part by clamping fixture table 9.
Described signal imitation system 11 forms comprising the operating modes such as the parts such as bent axle, camshaft, gas pedal and rotating speed thereof, water temperature, admission pressure, pinking in the simulation system of interior motor car engine, this signal imitation system 11 comprises display 1 and industrial computer 7, and this industrial computer 7 is connected with described display 1, signal process box 8 and gas pedal 3 respectively.
The industrial computer 7 of described signal imitation system 11 produces and exports analog sensor signal and analog switch signal according to the motor car engine operating mode of setting, this analog sensor signal and analog switch signal are calculated to acquisition standard executive signal simultaneously, and by recording and showing that executive signal responds the variation of analog sensor signal and analog switch signal, the tested simulation executive signal that calculates acquisition through tested retired automotive electronic control system plate 10 that this standard executive signal and transmission are come compares, according to its comparative result, whether unanimously make the whether qualified judgement of tested retired automotive electronic control system plate 10.The motor car engine operating mode of described setting refers to high temperature, combination gas is dense and little loading condition, or low temperature, combination gas is rare and heavy load condition.Refer to Fig. 2, described analog sensor signal includes air flow sensor signal, intake air temperature sensor signal, cooling-water temperature sensor signal, intake pressure sensor signal, engine load sensor signal, tail gas oxygen level sensor signal, detonation sensor signal, top dead center position sensor signal, CRANK SENSOR and vehicle speed sensor signal etc.Described analog switch signal includes ignition switch signal, neutral starting switch signal, Idle Switch signal, full load switch signal and air-conditioning request signal etc.Described standard executive signal and tested simulation executive signal include respectively each cylinder ignition coil signal, each cylinder injector working signal, fuel pump relay signal, idling direct current generator signal, charcoal tank solenoid valve signal, air-conditioning work relay signal and EGR solenoid valve signal etc.
The display 1 of described signal imitation system 11 shows described analog sensor signal, analog switch signal, standard executive signal and tested simulation executive signal, and the variation response to analog sensor signal and analog switch signal of display standard executive signal and tested simulation executive signal, and the comparative result of display standard executive signal and tested simulation executive signal.
The conditioning that described signal process box 8 is responsible for the signal of its transmission is connected with described clamping fixture table 9 with transmission ，Qi one end, and the other end is connected with described signal imitation system 11.Described signal process box 8 is transferred to described tested retired automotive electronic control system plate 10 by analog sensor signal and the analog switch signal of described signal imitation system 11 outputs by clamping fixture table 9, this tested retired automotive electronic control system plate 10 calculates according to sensor signal and the switching signal of input, calculate tested simulation executive signal, described signal process box 8 is nursed one's health into this tested simulation executive signal in signal imitation system 11 the collectable signal of information acquisition board and is transferred to described signal imitation system 11.
The true gas pedal of described gas pedal 3 for using in real vehicle, it connects described signal imitation system 11, and provide the true accelerator pedal position signal of the different operating modes of motor car engine, with the air flow sensor signal in control signal simulation system 11, engine load sensor signal, top dead center position sensor signal and CRANK SENSOR.
Described lock core and key 2 match with tested retired automotive electronic control system plate 10, be responsible for the antitheft release of tested retired automotive electronic control system plate 10, this lock core and key 2 connect described clamping fixture table 9, control the startup of tested retired automotive electronic control system plate 10 and close.
Described fuel injector 4 connects described clamping fixture table 9, and it carries out true oil spout according to described tested simulation executive signal.
The true air throttle of described air throttle 5 for using in real vehicle, it is connected with described clamping fixture table 9, and this air throttle 5 shows the true throttle opening of different operating modes according to described tested simulation executive signal.
The true panel board of described panel board 6 for using in real vehicle, it is connected with described clamping fixture table 9, and this panel board 6 shows the true tachometer value of different operating modes according to described tested simulation executive signal.
The method that adopts the utility model to detect retired automotive electronic control system plate comprises following concrete steps:
1) set motor car engine operating mode and input described signal imitation system 11, described motor car engine operating mode refers to high temperature, combination gas is dense and little loading condition, or low temperature, combination gas is rare and heavy load condition; If desired, personnel operate described gas pedal 3, the described signal imitation system 11 of the common input of accelerator pedal position signal that the motor car engine operating mode of setting is produced in conjunction with described gas pedal 3.
2) by tested retired automotive electronic control system plate 10(ECU) be clamped on described clamping fixture table 9, open lock core and key 2, start this tested retired automotive electronic control system plate 10 energising work.
3) described signal imitation system 11 produces analog sensor signal and analog switch signal according to the accelerator pedal position signal of the motor car engine operating mode of input and 3 generations of described gas pedal, and described analog sensor signal includes air flow sensor signal, intake air temperature sensor signal, cooling-water temperature sensor signal, intake pressure sensor signal, engine load sensor signal, tail gas oxygen level sensor signal, detonation sensor signal, top dead center position sensor signal, CRANK SENSOR and vehicle speed sensor signal; Described analog switch signal includes ignition switch signal, neutral starting switch signal, Idle Switch signal, full load switch signal and air-conditioning request signal; This signal imitation system 11 is transferred to tested retired automotive electronic control system plate 10 by described signal process box 8 and clamping fixture table 9 by the analog sensor signal of generation and analog switch signal.
4) analog sensor signal of 10 pairs of inputs of described tested retired automotive electronic control system plate and analog switch signal calculate and obtain tested simulation executive signal, and this tested simulation executive signal includes each cylinder ignition coil signal, each cylinder injector working signal, fuel pump relay signal, idling direct current generator signal, charcoal tank solenoid valve signal, air-conditioning work relay signal and EGR solenoid valve signal; Described tested simulation executive signal is transferred to described signal imitation system 11 by described clamping fixture table 9 and signal process box 8 by tested simulation executive signal, this tested simulation executive signal is transferred to respectively fuel injector 4 by described clamping fixture table 9 and carries out true oil spout simultaneously, be transferred to described air throttle 5 and show the true throttle opening of different operating modes, and be transferred to the true tachometer value of motor car engine that described panel board 6 shows different operating modes.
5) analog sensor signal of 11 pairs of generations of described signal imitation system and analog switch signal calculate acquisition standard executive signal, and this standard executive signal includes each cylinder ignition coil signal, each cylinder injector working signal, fuel pump relay signal, idling direct current generator signal, charcoal tank solenoid valve signal, air-conditioning work relay signal and EGR solenoid valve signal; Described signal imitation system 11 shows this standard executive signal and tested simulation executive signal by described display 1.
6) described signal imitation system responds the variation of analog sensor signal and analog switch signal by record and display standard executive signal and tested simulation executive signal, this standard executive signal and tested simulation executive signal are compared, make the whether qualified judgement of tested retired automotive electronic control system plate; If comparing result is consistent, judge that this tested retired automotive electronic control system plate 10 is qualified, can recycle, if comparing result is inconsistent, judge that this tested retired automotive electronic control system plate 10 is defective, can not recycle; Described display 1 shows this result of determination.
Operating process of the present utility model is as follows: while carrying out tested retired automotive electronic control system plate 10 test, first, check whether signal process box 8 powers on, opens industrial computer 7 and display 1 after powering on.Under manual test operation interface, click start button, signal imitation system 11 rigid line part signals will be activated, click KL.15 button, system powers on, then click start engine button, signal imitation system 11 will be simulated bent axle, camshaft signal, and signal is passed to tested retired automotive electronic control system plate 10.Lower electricity order is contrary with electric sequence.
(1) manual test
Operation steps is as follows:
After 1.KL.15 powers on, air throttle 5 power supplys, gas pedal 3 power lamps are lighted, represent that throttle sensor signal normally exports tested retired automotive electronic control system plate 10 to, gas pedal simulating signal normal transmission is to tested retired automotive electronic control system plate 10.
2. the acquiescence that powers on rotating speed is 100 revs/min, to set adjustment of rotational speed is under idling mode, approximately 870 revs/min, observing the frequency of four fuel injector 4 oil spouts accelerates, on interface, can see the alternately flicker of four atomizer pilot lamp, oil spout number of times and igniting number of times rise (can by reset zero clearing) gradually, and display 1 lower right corner shows the tach signal of tested retired automotive electronic control system plate 10 feedbacks.
3. change water temperature and admission pressure value (corresponding analog sensor input 0～5V), observe corresponding CAN message coolant temperature and throttle opening and change.
4. change the value of brake signal BTS/BLS, observe corresponding CAN information feedback and whether change.
5. change accelerator pedal signal input value, observe CAN feedback information throttle, throttle opening variation.
Generally every igniting once corresponding oil spout once, so oil spout number of times and igniting number of times should equate, but under high-speed state, as throttle is not put in place, cause there is igniting, there is no oil spout, igniting number of times may be greater than oil spout number of times.
6. before observing, whether lambda sensor heat-, post oxygen sensor heat-have flicker to change.
(2) test automatically
First set the test duration, click " starting test automatically " button, program will start electrifying startup automatically, and automatically test by testing sequence.And in display 1, show and record testing time, use the time, until the time overflows, automatically stopping test.In data block diagram, with Microsoft Excel form recording test time, test event.Choose the repeated multiple times operation of a plurality of typical conditions (high temperature, dense, the little loading condiction of combination gas and low temperature, rare, the large loading condiction of combination gas), carry out the aging fatigue experiment of several times, observe the working condition of tested retired automotive electronic control system plate 10, analyze its ageing state.Meanwhile, the external environment condition such as tested retired automotive electronic control system plate 10 carries out high low temperature, humidity, vibrates, drenches with rain, smog is simulated aging real-time in-line testing, and test result is recorded in Excel form.Observation and comparison measured value is to judge that this test is OK or Error.
Automatically the concrete step of test is:
1. impose a condition: KL.15 connects and powers on,
Read value: air throttle power supply, gas pedal 3 power supplys,
Result is judged: when read value during as True test item pass through, otherwise do not pass through.
When test item air throttle power supply, gas pedal 3 all by time, KL.15 result is judged to be OK.
3. impose a condition: set rotating speed=100rpm, read value: the tested retired automotive electronic control system plate 10 feedback rotating speed CAN values of information,
Impose a condition: set rotating speed=870rpm, read value: the tested retired automotive electronic control system plate 10 feedback rotating speed CAN values of information,
Whether result is judged: according to tested retired automotive electronic control system plate 10 feedback rotating speed CAN information, change and determine whether test item passes through.
4. impose a condition: will after the oil injection count value and the zero clearing of igniting count value, count.
Read value: counted number of pulses,
Impose a condition: after starting to count 2s, read new count value.
Read value: counted number of pulses.
5. impose a condition: coolant voltage=0V,
Read value: coolant temperature,
Impose a condition: coolant voltage=2V
Read value: coolant temperature,
Whether result is judged: according to coolant temperature, change and determine whether test item passes through.
6. impose a condition: air inlet pressure sensor voltage=0V,
Read value: throttle opening,
Impose a condition: air inlet pressure sensor voltage=2V,
Read value: throttle opening,
Whether result is judged: according to throttle opening value, change and determine whether test item passes through.
7. impose a condition: BTS=T, BLS=F
Read value: CAN information feedback BTS, BLS,
Impose a condition: BTS=F, BLS=T,
Read value: CAN information feedback BTS, BLS,
Whether result is judged: according to CAN information BTS, BLS value, change and determine whether test item passes through.
8. impose a condition: accelerator pedal signal=3,
Read value: throttle opening value,
Impose a condition: accelerator pedal signal=5,
Read value: throttle opening value,
Result is judged: according to throttle opening, change and determine whether test item passes through.
Claims (6)
1. the harmless efficient detection device of retired automotive electronic control system plate, is characterized in that, described pick-up unit comprises:
Clamping fixture table, sandwiched and connect tested retired automotive electronic control system plate, to transmit the input and output signal of this tested retired automotive electronic control system plate;
Signal imitation system, according to the motor car engine operating mode of setting, produce and export analog sensor signal and analog switch signal, this analog sensor signal and analog switch signal are calculated to acquisition standard executive signal simultaneously, and by recording and showing that executive signal responds the variation of analog sensor signal and analog switch signal, the tested simulation executive signal that calculates acquisition through tested retired automotive electronic control system plate that this standard executive signal and transmission are come compares, and makes the judgement whether tested retired automotive electronic control system plate is qualified and shows;
Signal process box, transmitted signal is nursed one's health, its one end is connected with described clamping fixture table, the other end is connected with described signal imitation system, analog sensor signal and the analog switch signal of described signal imitation system output are transferred to described tested retired automotive electronic control system plate by clamping fixture table, and the tested simulation executive signal that this tested retired automotive electronic control system plate is calculated to acquisition is transferred to described signal imitation system;
Gas pedal, connects described signal imitation system and the true accelerator pedal position signal of the different operating modes of motor car engine is provided;
Lock core and key, connect described clamping fixture table, controls the startup of tested retired automotive electronic control system plate and close;
Fuel injector, connects described clamping fixture table, according to described tested simulation executive signal, carries out true oil spout;
Air throttle, connects described clamping fixture table, shows the true throttle opening of different operating modes according to described tested simulation executive signal;
Panel board, connects described clamping fixture table, shows the true tachometer value of different operating modes according to described tested simulation executive signal.
2. retired automotive electronic control system plate according to claim 1 can't harm efficient detection device, it is characterized in that, described signal imitation system comprises display and industrial computer, this industrial computer respectively with described display, signal process box is connected with gas pedal, this display shows described analog sensor signal, analog switch signal, standard executive signal and tested simulation executive signal, and display standard executive signal and the tested simulation executive signal variation response to analog sensor signal and analog switch signal, and the comparative result of display standard executive signal and tested simulation executive signal.
3. retired automotive electronic control system plate according to claim 1 and 2 can't harm efficient detection device, it is characterized in that, described analog sensor signal includes air flow sensor signal, intake air temperature sensor signal, cooling-water temperature sensor signal, intake pressure sensor signal, engine load sensor signal, tail gas oxygen level sensor signal, detonation sensor signal, top dead center position sensor signal, CRANK SENSOR and vehicle speed sensor signal.
4. retired automotive electronic control system plate according to claim 1 and 2 can't harm efficient detection device, it is characterized in that, described analog switch signal includes ignition switch signal, neutral starting switch signal, Idle Switch signal, full load switch signal and air-conditioning request signal.
5. retired automotive electronic control system plate according to claim 1 and 2 can't harm efficient detection device, it is characterized in that, described standard executive signal and tested simulation executive signal include respectively each cylinder ignition coil signal, each cylinder injector working signal, fuel pump relay signal, idling direct current generator signal, charcoal tank solenoid valve signal, air-conditioning work relay signal and EGR solenoid valve signal.
6. retired automotive electronic control system plate according to claim 1 and 2 can't harm efficient detection device, it is characterized in that, the motor car engine operating mode of described setting refers to high temperature, combination gas is dense and little loading condition, or low temperature, combination gas is rare and heavy load condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320500477.7U CN203397151U (en) | 2013-08-16 | 2013-08-16 | Lossless high-efficiency detector for ECU (Electronic Control Unit) of retired automobile engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320500477.7U CN203397151U (en) | 2013-08-16 | 2013-08-16 | Lossless high-efficiency detector for ECU (Electronic Control Unit) of retired automobile engine |
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| CN203397151U true CN203397151U (en) | 2014-01-15 |
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| CN201320500477.7U Expired - Fee Related CN203397151U (en) | 2013-08-16 | 2013-08-16 | Lossless high-efficiency detector for ECU (Electronic Control Unit) of retired automobile engine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353755A (en) * | 2013-07-03 | 2013-10-16 | 上海交通大学 | Automatic detection device for electronic control module of engine of end-of-life automobile and detection method |
| CN113638813A (en) * | 2021-08-10 | 2021-11-12 | 武汉理工大学 | Detection device and method for automobile ECU recycled part |
| CN113899545A (en) * | 2021-10-09 | 2022-01-07 | 联合汽车电子（重庆）有限公司 | Electronic throttle valve comprehensive test system and test method |
-
2013
- 2013-08-16 CN CN201320500477.7U patent/CN203397151U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353755A (en) * | 2013-07-03 | 2013-10-16 | 上海交通大学 | Automatic detection device for electronic control module of engine of end-of-life automobile and detection method |
| CN103353755B (en) * | 2013-07-03 | 2015-11-18 | 上海交通大学 | Retired car engine electronic control module automatic detection device and method |
| CN113638813A (en) * | 2021-08-10 | 2021-11-12 | 武汉理工大学 | Detection device and method for automobile ECU recycled part |
| CN113899545A (en) * | 2021-10-09 | 2022-01-07 | 联合汽车电子（重庆）有限公司 | Electronic throttle valve comprehensive test system and test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20140816 |
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| EXPY | Termination of patent right or utility model |