CN206573939U - Small-sized engine electric-controlled ECU detection means - Google Patents
Small-sized engine electric-controlled ECU detection means Download PDFInfo
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- CN206573939U CN206573939U CN201621470800.0U CN201621470800U CN206573939U CN 206573939 U CN206573939 U CN 206573939U CN 201621470800 U CN201621470800 U CN 201621470800U CN 206573939 U CN206573939 U CN 206573939U
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- temperature sensor
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Abstract
The utility model discloses a kind of small-sized engine electric-controlled ECU detection means, including CPU, start detection switch, numeral method module, power module, oil spout indicator lamp, ignition light, lambda sensor burner on light, igniting detection module, trouble light detection module, bent axle output module, crankshaft signal detection module, oil pump signal detection module, misfire signals detection module, serial line interface detection module, lambda sensor detection module, oil spout detection module, internal temperature sensor module, cooling-water temperature sensor detection module, intake air temperature sensor detection module, TPS detection module, fault simulation module.Small-sized engine electric-controlled ECU detection means is detected by the way of automatic detection to automatically controlled ECU and wire harness, detection content includes the reasonable validity of hardware circuit conduction, hardware short interruption problem of faulty soldering, electric function integrality and software algorithm, reduce the human intervention of ECU and wiring harness test, testing staff's burden is alleviated, while improving ECU detection efficiencies and reliability.
Description
Technical field
The utility model is related to a kind of detection means, in particular for the small-sized engine electric-controlled of production line off-line test
ECU detection means.
Background technology
Current put-put is due to the laws and regulations requirement of energy-saving and emission-reduction, and mechanical carburetor fuel system is phased out, automatically controlled
Fuel injection system obtains wide popularization and application.Automatically controlled ECU is used as key control unit, its quality in electric control fuel oil jet system
Reliability and functional completeness will determine the running status and stability of electric control fuel oil jet system and whole engine；Function lacks
Lose, software data is abnormal, hardware reliability problem is all the key factor for restricting automatically controlled ECU reliabilitys.
Currently, due to unspecial automatically controlled ECU detection devices, examined before automatically controlled ECU productions are offline by AOI optics
Survey, flying probe, the active waveform analyses of ABI and the test detection means that is powered are only capable of detecting automatically controlled ECU hardware circuit
Failure, including short circuit, open circuit, rosin joint, wrong weldering, but the functional completeness and software algorithm for automatically controlled ECU perform accuracy
Problem can not be detected, cause automatically controlled ECU to have very big probability not run normally after installing on the engine, even not
Can operation.
To detect that can automatically controlled ECU normally run, and whether supporting wire harness is good, and the utility model design is a kind of small-sized
Engine electric-controlled ECU detection means, the mode for employing automation detects that detection content includes to automatically controlled ECU and wire harness
Hardware circuit conduction, hardware short interruption problem of faulty soldering, the reasonable validity of electric function integrality and software algorithm.It is small
The automatically controlled ECU detection means of h type engine h reduces the human intervention of automatically controlled ECU and wiring harness test, alleviates testing staff's burden,
Improve automatically controlled ECU detection efficiencies and reliability.
Utility model content
To solve that the disadvantage that feature detection and software algorithm are detected can not be accomplished in engine electric-controlled ECU detection process at present
End, the utility model detects that detection content includes hardware circuit by the way of automatic detection to automatically controlled ECU and wire harness
Conduction, hardware short interruption problem of faulty soldering, the reasonable validity of electric function integrality and software algorithm.
To achieve the above object, the utility model solve its technical problem use technical scheme be：Put-put electricity
Control ECU detection means.
The small-sized engine electric-controlled ECU detection means of the utility model, including CPU, startup detection switch, number
Code pipe display module, power module, oil spout indicator lamp, ignition light, lambda sensor burner on light, igniting detection module,
Trouble light detection module, bent axle output module, crankshaft signal detection module, oil pump signal detection module, misfire signals detection mould
Block, serial line interface detection module, lambda sensor detection module, oil spout detection module, internal temperature sensor module, water temperature sensing
Device detection module, intake air temperature sensor detection module, TPS detection module, fault simulation module.
Start detection switch, igniting detection module, failure described in the small-sized engine electric-controlled ECU detection means of the utility model
Lamp detection module, internal temperature sensor module, tractor crankshaft module, oil pump signal detection module, TPS
It is module, intake air temperature sensor detection module, cooling-water temperature sensor module, oil spout detection module, lambda sensor detection module, serial
Interface detection module is connected with CPU respective input, the numeral method module, crankshaft signal output module,
Misfire signals detection module, fault simulation module are connected with CPU corresponding output end.The oil spout indicator lamp, igniting
Indicator lamp, lambda sensor burner on light are directly corresponding with automatically controlled ECU to be detected to be connected, and does not pass through the processing of detection means center single
It is first to be handled.
Compared with existing detection means, the beneficial effects of the utility model are：Adopt in an automated fashion to generating Electrical Control
ECU and wire harness are detected, reduce the human intervention of automatically controlled ECU and wiring harness test；Alleviate testing staff's burden；Carry simultaneously
High automatically controlled ECU detection efficiencies and reliability.
Brief description of the drawings
Fig. 1 is the structural representation of small-sized engine electric-controlled ECU detection means；
Fig. 2 is the overhaul flow chart of small-sized engine electric-controlled ECU detection means；
Embodiment
The invention will be further described with reference to the accompanying drawings and examples：
As shown in figure 1, the small-sized engine electric-controlled ECU detection means of the utility model, including CPU, startup inspection
Slowdown monitoring switch, numeral method module, power module, oil spout indicator lamp, ignition light, lambda sensor burner on light, igniting
Detection module, trouble light detection module, crankshaft signal output module, tractor crankshaft module, oil pump signal detection module, flame-out letter
Number detection module, serial line interface detection module, lambda sensor detection module, oil spout detection module, internal temperature sensor module,
Cooling-water temperature sensor detection module, intake air temperature sensor detection module, TPS detection module, fault simulation mould
Block.
The startup detection switch, igniting detection module, trouble light detection module, internal temperature sensor module, bent axle
Detection module, oil pump signal detection module, TPS module, intake air temperature sensor detection module, water temperature are passed
Sensor module, oil spout detection module, lambda sensor detection module, serial line interface detection module are corresponding to CPU to be inputted
End is connected, and the numeral method module, crankshaft signal output module, misfire signals detection module, fault simulation module are with
Central Processing Unit corresponding output end is connected.The power module is this small-sized engine electric-controlled ECU detection means and to be measured automatically controlled
ECU powers, and oil spout indicator lamp, ignition light, lambda sensor burner on light are connected with automatically controlled ECU to be measured respectively.
Control software program, CPU built in the CPU of small-sized engine electric-controlled ECU detection means
According to plug-in perform detection flow after upper electricity, automatically controlled ECU is detected.
Testing process of the present utility model is as shown in Figure 2：
Automatically controlled ECU to be detected has been mounted to throttle valve body mountain, and automatically controlled ECU to be detected, wire harness and detection means are connected
Connect intact, system electrification, numeral method " 8888 " represents system upper electricity, small-sized engine electric-controlled ECU detection means self-inspection
Normally, automatically controlled ECU detections can be carried out.After system electrification, automatically controlled ECU to be detected can pass through serial line interface output data.
Press after startup detection switch, proceed by first step detection.Detection means output crank shaft signal and lambda sensor
Fault-signal, is tested automatically controlled ECU and receives normal mode of operation is put into after crankshaft signal, export normal oil spout, igniting,
Lambda sensor heating signal, drive ignition indicator lamp, oil spout indicator lamp, lambda sensor heating signal lamp are lighted.Examined by automatically controlled ECU
Device output lambda sensor fault-signal is surveyed, ECU detects trouble light after this fault-signal and can lighted.Any one indicator lamp is not
Light and all represent that being detected automatically controlled ECU and wire harness has problem, testing staff stops detection, records the instruction do not lighted normally
Lamp, records numeral method content, stops detection inspection problem；All indicator lamps are normally lighted, and charactron is normally shown, are represented
Automatically controlled ECU first steps detection is detected to pass through.
Examination second step serial line interface detection after first step detection passes through.Serial line interface detection includes automatically controlled ECU strings to be measured
Line interface output signal and the detection of serial line interface ground wire.Detection means receives detected automatically controlled ECU serial datas, and gathers
It is detected automatically controlled ECU serial line interfaces ground wire voltage consistent with normal voltage, serial ports detection passes through, otherwise numeral method failure generation
Code E001, testing staff records this DTC, stops detection.
After serial line interface detection passes through, into crankshaft signal detection.Detection means parses data verification by serial line interface
The rotary speed data being tested in automatically controlled ECU serial ports output data is consistent with detection means output crank shaft rotating speed, and detection passes through, and otherwise counts
Code pipe shows E002, and testing staff records this DTC, stops detection.
After crankshaft signal detection passes through, into cooling-water temperature sensor detection.Detection means parses data by serial line interface and tested
The water temperature data that card is tested in automatically controlled ECU serial ports output data is consistent with detection means internal temperature sensor gathered data, inspection
Survey passes through, otherwise numeral method E003, and testing staff records this DTC, stops detection.
After cooling-water temperature sensor detection passes through, into intake air temperature sensor detection.Detection means is parsed by serial line interface
The intake air temperature data that data verification is tested in automatically controlled ECU serial ports output data gather number with detection means internal temperature sensor
According to consistent, detection passes through, otherwise numeral method E004, and testing staff records this DTC, stops detection.
After passing through into intake air temperature sensor detection, into the detection of oil spout module.The detection of oil spout module includes fuel injector
Power supply and ground wire detection.Detection means collection tested automatically controlled ECU fuel injectors power supply and ground wire voltage is consistent with normal voltage, detection
Pass through, otherwise numeral method E005, testing staff records this DTC, stop detection.
After the detection of oil spout module passes through, into ignition module detection.Ignition module detection includes ignition power and ground wire
Detection.Detection means collection tested automatically controlled ECU ignition powers and ground wire voltage is consistent with normal voltage, and detection passes through, otherwise
Numeral method E006, testing staff records this DTC, stops detection.
After ignition module detection passes through, into oil pump signal detection.Oil pump signal detection includes oil pump power supply and ground wire is examined
Survey.Detection means collection tested automatically controlled ECU oil pumps power supply and ground wire voltage is consistent with normal voltage, and detection passes through, otherwise digital
Pipe shows E007, and testing staff records this DTC, stops detection.
Oil pump signal detection is by rear, into throttle position sensor signal detection.Testing staff will be tested automatically controlled ECU
Throttle valve body valve block rotates to full open state from fully closed conjunction state, is tested automatically controlled ECU TPSs correspondence defeated
Go out minimum voltage and maximum voltage, detection means detects minimum voltage with maximum voltage in normal range (NR), and detection passes through, no
Then numeral method E008, testing staff records this DTC, stops detection.
After throttle position sensor signal detection passes through, into lambda sensor detection.Lambda sensor detection includes oxygen biography
Sensor signal, lambda sensor power supply and ground wire are detected.Detection means parses data verification by serial line interface and is tested automatically controlled ECU strings
Oxygen sensor signal voltage in mouth output data is exported to the oxygen sensor signal voltage one for being tested automatically controlled ECU with detection means
Cause, and collection tested automatically controlled ECU lambda sensors power supply and ground wire voltage is consistent with normal voltage, detection passes through, otherwise charactron
E009 is shown, testing staff records this DTC, stops detection.
After lambda sensor detection passes through, into misfire signals detection.Detection means exports misfire signals, is tested automatically controlled ECU
Receive and oil spout ignition operation is no longer carried out after misfire signals, oil spout igniting, lambda sensor heating signal lamp extinguish, and detection is logical
Cross, otherwise numeral method E010, testing staff records this DTC, stop detection.
All detection passes through, numeral method PASS, is tested automatically controlled ECU and completes detection.
Claims (1)
1. small-sized engine electric-controlled ECU detection means, it is characterised in that：Including CPU, start detection switch, number
Pipe display module, power module, oil spout indicator lamp, ignition light, lambda sensor burner on light, igniting detection module, event
Hinder lamp detection module, bent axle output module, crankshaft signal detection module, oil pump signal detection module, misfire signals detection module,
Serial line interface detection module, lambda sensor detection module, oil spout detection module, internal temperature sensor module, cooling-water temperature sensor
Detection module, intake air temperature sensor detection module, TPS detection module, fault simulation module；Wherein open
Dynamic detection switch, igniting detection module, trouble light detection module, internal temperature sensor module, tractor crankshaft module, oil pump letter
Number detection module, TPS module, intake air temperature sensor detection module, cooling-water temperature sensor module, oil spout inspection
Survey module, lambda sensor detection module, serial line interface detection module with CPU respective input to be connected, by described
CPU carries out processing and carries out signal acquisition process and detection；Numeral method module, crankshaft signal output module, put out
Fiery signal detection module, fault simulation module are connected with CPU corresponding output end, pass through the CPU
Corresponding signal output is carried out, makes to be tested automatically controlled ECU in normal mode of operation；Oil spout indicator lamp, ignition light, lambda sensor
Burner on light wire harness connection directly corresponding with ECU to be detected, at automatically controlled ECU detection means CPU
Reason.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621470800.0U CN206573939U (en) | 2016-12-29 | 2016-12-29 | Small-sized engine electric-controlled ECU detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621470800.0U CN206573939U (en) | 2016-12-29 | 2016-12-29 | Small-sized engine electric-controlled ECU detection means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206573939U true CN206573939U (en) | 2017-10-20 |
Family
ID=60060730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621470800.0U Expired - Fee Related CN206573939U (en) | 2016-12-29 | 2016-12-29 | Small-sized engine electric-controlled ECU detection means |
Country Status (1)
| Country | Link |
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| CN (1) | CN206573939U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907339A (en) * | 2017-12-19 | 2018-04-13 | 无锡威孚高科技集团股份有限公司 | Diesel fuel injection system ECU function detection equipments |
| CN112083711A (en) * | 2020-09-10 | 2020-12-15 | 重庆机电职业技术大学 | Automobile ECU fault detection system and detection method thereof |
| CN107907339B (en) * | 2017-12-19 | 2024-05-17 | 无锡威孚高科技集团股份有限公司 | ECU function detection equipment for diesel engine fuel injection system |
-
2016
- 2016-12-29 CN CN201621470800.0U patent/CN206573939U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907339A (en) * | 2017-12-19 | 2018-04-13 | 无锡威孚高科技集团股份有限公司 | Diesel fuel injection system ECU function detection equipments |
| CN107907339B (en) * | 2017-12-19 | 2024-05-17 | 无锡威孚高科技集团股份有限公司 | ECU function detection equipment for diesel engine fuel injection system |
| CN112083711A (en) * | 2020-09-10 | 2020-12-15 | 重庆机电职业技术大学 | Automobile ECU fault detection system and detection method thereof |
| CN112083711B (en) * | 2020-09-10 | 2021-12-03 | 重庆机电职业技术大学 | Automobile ECU fault detection system and detection method thereof |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180904 Address after: 050000 four floor, block A, Hebei Internet building, 86 West three Zhuang Street, Xinhua District, Shijiazhuang, Hebei. Patentee after: Hebei ECO-EV Science and Technology Co., Ltd. Address before: 050070 4 floor, block A, Hebei Internet building, 86 West three Zhuang Street, Xinhua District, Shijiazhuang, Hebei. Patentee before: Shijiazhuang Yi Ke Creative Technology Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190610 Address after: 050000 Unit 0801, Residential Building No. 4, Slow City, 88 Xisanzhuang Street, Xinhua District, Shijiazhuang City, Hebei Province Patentee after: Shijiazhuang Yi Ke Creative Technology Ltd. Address before: 050000 four floor, block A, Hebei Internet building, 86 West three Zhuang Street, Xinhua District, Shijiazhuang, Hebei. Patentee before: Hebei ECO-EV Science and Technology Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171020 Termination date: 20201229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |