CN208537978U - Non-rice habitats engine electric-control EGR valve failure part performance detection stand - Google Patents
Non-rice habitats engine electric-control EGR valve failure part performance detection stand Download PDFInfo
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- CN208537978U CN208537978U CN201821157373.XU CN201821157373U CN208537978U CN 208537978 U CN208537978 U CN 208537978U CN 201821157373 U CN201821157373 U CN 201821157373U CN 208537978 U CN208537978 U CN 208537978U
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- egr valve
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- harness
- failure part
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Abstract
Non-rice habitats electric control EGR valve failure part performance detection stand, comprising: calculating and display module, sensor module, signal generator module, CAN communication module, EGR valve control module；One end of CAN communication module is connected by USB interface with calculating and display module, the CAN communication module other end connects electronic controlled diesel harness, and is connected by electronic controlled diesel harness with sensor module, signal generator module, EGR valve control module and EGR valve.The utility model, which can simulate, to be generated crankshaft signal and detects various sensor signals, to realize the simulation of engine behavior, control strategy inside ECU is calculated and is handled to these signals, output order controls EGR valve work to be measured, by checking the working condition of EGR valve failure part, its performance detection is completed.
Description
Technical field
The utility model belongs to engine art, is related to a kind of engine performance monitor station more particularly to a kind of non-rice habitats
Engine electric-control EGR valve failure part performance detection stand.
Background technique
It is well known that farm engine electric-control system is made of sensor, ECU and actuator three parts.Sensor is main
Including speed probe, position sensor, temperature sensor, pressure sensor etc..Actuator mainly include EGR valve, fuel injector,
High-pressure oil pump etc..EGR valve is the important component of engine exhaust-gas recirculating system, plays and draws during waste gas circulation
The effect of stream, nowadays on the engine using more and more extensive.Its principle is that the exhaust gas of engine discharge is isolated one
Dividing to import in cylinder makes it burn again, to control ignition temperature, reduces the amount of nitrogen oxides in tail gas.Electric control EGR valve
Since it has the characteristics that precision is high, response is fast, stable, have become industry technology main direction of studying.With agricultural
Comprehensive switching of three diesel engine of machinery industry state, automatically controlled series of products demand is unprecedented soaring, due to farm engine electric control EGR
Valve working environment it is severe and vehicle performance is influenced it is big, performance detection and fault diagnosis be production and after sale during
One important process.It is not suitble to the detection device of the product currently on the market, is often sentenced by manually detecting each component step by step
Disconnected problem accuracy is low and influences working efficiency.
A kind of State Intellectual Property Office's utility model patent " electric-controlled type EGR valve that authorization was announced on December 11st, 2013
It is performance test bed " (application number: 201320377105.X), it is performance test bed to provide a kind of electric-controlled type EGR valve, including detect
Device and electric-control system are connected into the parameter of every device of monitor station by obtaining, test out the multinomial performance of EGR valve.The survey
Test stand can by manually replacing frock clamp and change parameter setting, complete five kinds of different types of EGR valves performance test,
Structure and usage mode are more complex for EGR valve failure part, the failure part performance detection work not being suitable in after-sale service
Make.
Therefore it provides a kind of non-rice habitats electric control EGR valve failure part performance detection stand, is fast accurately finished failure part performance
It detects particularly important.
Utility model content
The purpose of this utility model is that aiming at the shortcomings in the prior art, providing a kind of compact-sized, easy to operate, inspection
Survey accurate, non-rice habitats electric control EGR valve failure part performance detection stand quickly and efficiently.
The utility model can be used following technical scheme and reach above-mentioned purpose: the inspection of non-rice habitats electric control EGR valve failure part performance
Scaffold tower, comprising: calculating and display module, sensor module, signal generator module, CAN communication module, EGR valve control module；
One end of CAN communication module is connected by USB interface with calculating and display module, and the connection of the CAN communication module other end is automatically controlled
Diesel engine harness, and pass through electronic controlled diesel harness and sensor module, signal generator module, EGR valve control module and EGR
Valve is connected.
The sensor module includes water temperature sensor, oil temperature sensor, throttle position switch, intake air temperature pressure biography
Sensor, each sensor are connected with the corresponding interface on electronic controlled diesel harness.
Signal generator module, that is, high pressure co-rail system the pcb board, the grounding point and 12V of high pressure co-rail system pcb board
Power supply is connected, and the crankshaft signal of high pressure co-rail system pcb board occurs point and is connected with the crankshaft signal line of electronic controlled diesel harness
It connects.
CAN communication module, that is, USB-CAN the conversion equipment, the end USB are connected to a computer, CAN connector with it is automatically controlled
Diesel engine harness corresponding interface is connected.
EGR valve control module, that is, the ECU, is connected with electronic controlled diesel harness corresponding interface.
The utility model can achieve following good effect: non-rice habitats electric control EGR valve failure afterwards by adopting the above technical scheme
Part performance detection stand, which can simulate, to be generated crankshaft signal and detects various sensor signals, to realize engine behavior
It simulates, the control strategy inside ECU is calculated and handled to these signals, and output order controls EGR valve work to be measured, is passed through
The working condition for checking EGR valve failure part completes its performance detection.Meanwhile all kinds of acquisition data and activation bit can pass through
USB-CAN conversion equipment and computer communication, to realize the monitoring to data and the setting to operating condition.
Detailed description of the invention
Fig. 1 is non-rice habitats electric control EGR valve failure part performance detection stand hardware system structure schematic diagram.
Specific embodiment
The utility model is described in further detail with embodiment with reference to the accompanying drawing.As shown in Fig. 1, non-rice habitats electricity
EGR valve failure part performance detection stand is controlled, including calculating and display module 1, sensor module 2, signal generator module 3, CAN lead to
Interrogate module 4, EGR valve control module 5.
The calculating and display module 1 are computer, are connected by USB interface with CAN communication module, are monitor station
Key control unit and software carrier complete the setting and storage of data；
The sensor module 2 includes water temperature sensor 6, oil temperature sensor 7, throttle position switch 8, intake air temperature pressure
Force snesor 9, each sensor are connected with the corresponding interface on electronic controlled diesel harness, by giving ECU system input signal, certainly
Determine operating condition locating for ECU, provides parameter information for the work of EGR valve；
The signal generator module 3 is high pressure co-rail system pcb board, the grounding point and 12V of high pressure co-rail system pcb board
Power supply is connected, and the crankshaft signal of high pressure co-rail system pcb board occurs point and is connected with the crankshaft signal line of electronic controlled diesel harness
It connects, as the signal source of parameter needed for monitor station, generates crankshaft signal when detecting, with simulated engine actual working state；
The CAN communication module 4 is USB-CAN conversion equipment, and the end USB is connected to a computer, CAN connector with it is automatically controlled
Diesel engine harness corresponding interface is connected, and for the connection of CAN network communication and the reading of CAN bus data, is based on CCP agreement
The mutual transmission of data is completed, to guarantee the monitoring of calibration software and the realization of calibrating function；
The EGR valve control module 5 is ECU, is connected with electronic controlled diesel harness corresponding interface, for determining EGR valve
Data needed for work, control its target aperture.
The implementing procedure of the utility model are as follows: each power supply line of harness main power plugs is passed through into switch and 12V power supply phase
Even, sensor module 2 is connected with the respective branches of electronic controlled diesel harness, and the grounding point of signal generator module 3 passes through electricity
Line is connected with 12V power supply, and crankshaft signal line of the point with electronic controlled diesel harness occurs for the crankshaft signal of signal generator module 3
It is connected, EGR valve control module 5 is connected with the respective branches of electronic controlled diesel harness, 4 one end connecting line of CAN communication module
Beam, the other end connect computer.
When detection, EGR valve failure part to be measured is connect by the EGR interface of harness with monitor station, the signal after energization
Generator module 3 generates crankshaft signal, and the signal exported as simulation of engine tach signal and sensor module 2 passes through together
Harness inputs EGR valve control module 5, and EGR valve control module 5 is by its embedded A/D data converter by collected each biography
Sensor signal is converted to actual voltage value or physical quantity, and the host computer of EGR valve control module 5 is supplied to as input signal
Unit is calculated using PID closed loop control algorithm and is exported as a result, the target aperture of EGR valve to be measured is controlled, by checking EGR valve
Working condition realize its performance detection.It is also possible to pass through the parameter in the calibration software of change calculating and display module 1
Setting is completed the transmission of data and the change of operating condition by CAN communication module 4, and checks the response condition of EGR valve to be measured, with into
One step detects its performance.
The utility model is simplified by the structure of EGR valve working environment or substitutes, easy to operate, as a result accurately, is actually answering
Convenience is brought in for the piece test of quality inspection personnel and malfunction elimination work.
Finally it should be noted that: the above descriptions are merely preferred embodiments of the present invention, is not limited to
The full content of the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for ability
For the technical staff in domain, formal modification can be still carried out to technical solution documented by previous embodiment, or
Equivalent replacement of some of the technical features.All made form modifications within the thinking enlightenment of the utility model,
Equivalent replacement etc., should be included within the rights protection scope of the utility model.
Claims (5)
1. non-rice habitats electric control EGR valve failure part performance detection stand, comprising: calculating and display module (1), sensor module (2), letter
Number generator module (3), CAN communication module (4), EGR valve control module (5)；It is characterized by: the one of CAN communication module (4)
End is connected by USB interface with calculating and display module (1), and CAN communication module (4) other end connects electronic controlled diesel line
Beam, and by electronic controlled diesel harness and sensor module (2), signal generator module (3), EGR valve control module (5) and
EGR valve is connected.
2. non-rice habitats electric control EGR valve failure part performance detection stand according to claim 1, it is characterised in that: the sensing
Device module (2) includes water temperature sensor (6), oil temperature sensor (7), throttle position switch (8), air inlet temperature/pressure sensor
(9), each sensor is connected with the corresponding interface on electronic controlled diesel harness.
3. non-rice habitats electric control EGR valve failure part performance detection stand according to claim 1, it is characterised in that: the signal
The grounding point of generator module (3) i.e. high pressure co-rail system pcb board, high pressure co-rail system pcb board is connected with 12V power supply, high
The crankshaft signal of pressure common rail system pcb board occurs point and is connected with the crankshaft signal line of electronic controlled diesel harness.
4. non-rice habitats electric control EGR valve failure part performance detection stand according to claim 1, it is characterised in that: the CAN is logical
Module (4) i.e. USB-CAN conversion equipment is interrogated, the end USB is connected to a computer, and CAN connector is corresponding with electronic controlled diesel harness
Interface is connected.
5. non-rice habitats electric control EGR valve failure part performance detection stand according to claim 1, it is characterised in that: the EGR valve
Control module (5) i.e. ECU, is connected with electronic controlled diesel harness corresponding interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821157373.XU CN208537978U (en) | 2018-07-20 | 2018-07-20 | Non-rice habitats engine electric-control EGR valve failure part performance detection stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821157373.XU CN208537978U (en) | 2018-07-20 | 2018-07-20 | Non-rice habitats engine electric-control EGR valve failure part performance detection stand |
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| Publication Number | Publication Date |
|---|---|
| CN208537978U true CN208537978U (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821157373.XU Active CN208537978U (en) | 2018-07-20 | 2018-07-20 | Non-rice habitats engine electric-control EGR valve failure part performance detection stand |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111413100A (en) * | 2020-03-26 | 2020-07-14 | 安徽华菱汽车有限公司 | Error reporting method and system for simulating exhaust gas circulation quantity abnormality of EGR (exhaust gas recirculation) system |
-
2018
- 2018-07-20 CN CN201821157373.XU patent/CN208537978U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111413100A (en) * | 2020-03-26 | 2020-07-14 | 安徽华菱汽车有限公司 | Error reporting method and system for simulating exhaust gas circulation quantity abnormality of EGR (exhaust gas recirculation) system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190226 Address after: 471039 No. 39 Xiyuan Road, Jianxi District, Luoyang City, Henan Province Patentee after: Luoyang Tractor Research Institute Co., Ltd. Address before: 471000 No. 206 Wangxiang Road, Jianxi District, Luoyang City, Henan Province Patentee before: LUOYANG TUOQI ENGINEERING VEHICLE TECHNOLOGY CO., LTD. |