CN104034530A - Post-processing test platform for diesel engine - Google Patents
Post-processing test platform for diesel engine Download PDFInfo
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- CN104034530A CN104034530A CN201410279132.2A CN201410279132A CN104034530A CN 104034530 A CN104034530 A CN 104034530A CN 201410279132 A CN201410279132 A CN 201410279132A CN 104034530 A CN104034530 A CN 104034530A
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Abstract
The invention relates to a post-processing test platform for a diesel engine. LABCAR monitoring software (2) is arranged in a scene simulation model (1), the scene simulation model (1) and a LABCAR test device (3) are connected to form an uploading and downloading loop, the LABCAR test device (3) is connected with an ECU (electronic control unit) (4) to form a receiving and sending loop, the ECU d (4) is connected with a DCU (data control unit) (5) and connected with a first upper machine (12) via a first CAN (control area network) card (10), the DCU (5) is connected with a second upper machine (13) via a second CAN card (11), and a detection loop formed by a spraying nozzle detection loop and a backflow detection loop is connected with the DCU (5). The post-processing test platform is capable of providing basic data for real bench tests, saving debugging time and reducing cost of a laboratory.
Description
Technical field
The invention belongs to Diesel Engine Technique Field, be specifically related to a kind of diesel engine aftertreatment test platform.
Background technology
Increasing along with diesel engine performance, no matter traditional development tool can not meet the demands on construction cycle or cost, must adopt modern development process.In modern development process an important link be exactly hardware at loop-around test, i.e. HIL test.Also not for the HIL test platform of certain V8 Design of High Pressure Common Rail Diesel Engine aftertreatment, development mode in the past needs real engine pedestal to detect the feasibility of whole rear systemic-function, the stability of system, and completes parts and bench test at present.This traditional pattern, on the one hand, has reduced slip-stick artist's work efficiency, has caused debugging and testing complicated, can not complete timely and effectively parts and bench test; On the other hand, cause to a certain extent the waste of lab resources, increased human and material resources and the consumption of time.
Summary of the invention
The present invention is exactly for can engine pedestal that is virtually reality like reality, completes Function detection and the bench test of after-treatment system, and a kind of diesel engine aftertreatment test platform is provided.
The technical solution used in the present invention: a kind of diesel engine aftertreatment test macro, it comprises live realistic model 1, LABCAR monitoring software 2, LABCAR proving installation 3, ECU controller 4, DCU controller 5, nozzle detects loop, reflux and detect loop, the one CAN card 10, the 2nd CAN card 11, the first host computer 12, the second host computer 13 and power supply 14, LABCAR monitoring software 2 is arranged in live realistic model 1, live realistic model 1 is connected to form a upload and download loop with LABCAR proving installation 3, for the data of live realistic model 1 and parameter are monitored and are demarcated, LABCAR proving installation 3 is connected with ECU controller 4, form one and receive and send loop, for the data of downloading from live realistic model 1, by LABCAR proving installation 3, send to ECU controller 4 and the signal that obtains at ECU controller 4 was uploaded to LABCAR proving installation 3, ECU controller 4 is connected with DCU controller 5, ECU controller 4 is connected with the first host computer 12 by a CAN card 10, DCU controller 5 is connected with the second host computer 13 by the 2nd CAN card 11, for monitoring and demarcate the parameter that host computer obtains, nozzle detects loop and is connected with DCU controller 5 with the detection loop that the detection loop of refluxing forms, wherein nozzle detection loop is connected to form successively by urea pump 6 and nozzle 7 and beaker 9, reflux and detect loop by urea pump 6 and nozzle 7, nozzle 7 and urea tank 8, urea tank 8 connects to form with urea pump 6, for the signal collecting from ECU controller 4 by DCU controller 5, carry out parameters detection.
The present invention compared with prior art its beneficial effect is: the present invention can engine pedestal that is virtually reality like reality, fulfil ahead of schedule for after-treatment system function and system stability and detect, complete after-treatment components and bench test, for true bench test provides basic data, and the time of having saved debugging, reduced laboratory cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
As shown in Figure 1, a kind of V8 Design of High Pressure Common Rail Diesel Engine aftertreatment HIL test platform, it comprises that live realistic model 1, LABCAR monitoring software 2, LABCAR proving installation 3, ECU controller 4, DCU controller 5, nozzle detect loop, reflux and detect loop, a CAN card 10, the 2nd CAN card 11, the first host computer 12, the second host computer 13 and power supply 14, described live realistic model 1 is engine, car load, road and pilot model, and described host computer is that notebook carries software, LABCAR monitoring software 2 is arranged in live realistic model 1, live realistic model 1 is connected to form a upload and download loop with LABCAR proving installation 3, for the data of live realistic model 1 and parameter are monitored and are demarcated, LABCAR proving installation 3 is connected with ECU controller 4, form one and receive and send loop, during wherein for transmission transmission, the various data that described model draws at real-time computer change the physical signallings such as cam, bent axle, temperature, pressure, IO, pedal and communication into and send to ECU controller 4 by LABCAR proving installation 3, during wherein for reception transmission, the signal that ECU controller 4 obtains for it is made the reaction of control engine, uploads fuel injection signal and pwm signal to LABCAR proving installation 3, ECU controller 4 is connected with DCU controller 5, ECU controller 4 is connected with the first host computer 12 by a CAN card 10, DCU controller 5 is connected with the second host computer 13 by the 2nd CAN card 11, for monitoring and demarcate the parameter that host computer obtains, nozzle detects loop and is connected with DCU controller 5 with the detection loop that the detection loop of refluxing forms, wherein nozzle detection loop is connected to form successively by urea pump 6 and nozzle 7 and beaker 9, reflux and detect loop by urea pump 6 and nozzle 7, nozzle 7 and urea tank 8, urea tank 8 connects to form with urea pump 6, for the signal collecting from ECU controller 4 by DCU controller 5, carry out parameters detection.
Claims (1)
1. a diesel engine aftertreatment test macro, it comprises live realistic model (1), LABCAR monitoring software (2), LABCAR proving installation (3), ECU controller (4), DCU controller (5), nozzle detects loop, reflux and detect loop, the one CAN card (10), the 2nd CAN card (11), the first host computer (12), the second host computer (13) and power supply (14), it is characterized in that, LABCAR monitoring software (2) is arranged in live realistic model (1), live realistic model (1) is connected to form a upload and download loop with LABCAR proving installation (3), for the data of live realistic model (1) and parameter are monitored and are demarcated, LABCAR proving installation (3) is connected with ECU controller (4), form one and receive and send loop, for the data of downloading from live realistic model (1), by LABCAR proving installation (3), send to ECU controller (4) and the signal that obtains at ECU controller (4) was uploaded to LABCAR proving installation (3), ECU controller (4) is connected with DCU controller (5), ECU controller (4) is connected with the first host computer (12) by a CAN card (10), DCU controller (5) is connected with the second host computer (13) by the 2nd CAN card (11), for monitoring and demarcate the parameter that host computer obtains, nozzle detects loop and is connected with DCU controller (5) with the detection loop that the detection loop of refluxing forms, wherein nozzle detection loop is connected to form successively by urea pump (6) and nozzle (7) and beaker (9), reflux and detect loop by urea pump (6) and nozzle (7), nozzle (7) and urea tank (8), urea tank (8) connects to form with urea pump (6), for the signal collecting from ECU controller (4) by DCU controller (5), carry out parameters detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410279132.2A CN104034530A (en) | 2014-06-22 | 2014-06-22 | Post-processing test platform for diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410279132.2A CN104034530A (en) | 2014-06-22 | 2014-06-22 | Post-processing test platform for diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104034530A true CN104034530A (en) | 2014-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410279132.2A Pending CN104034530A (en) | 2014-06-22 | 2014-06-22 | Post-processing test platform for diesel engine |
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| CN (1) | CN104034530A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914852A (en) * | 2015-05-22 | 2015-09-16 | 中国汽车技术研究中心 | Diesel engine post-processing SCR test system and diesel engine post-processing SCR test method |
| CN105842609A (en) * | 2016-03-30 | 2016-08-10 | 江苏大学 | Hardware circuit detecting device for control unit of diesel engine SCR system |
| CN109765876A (en) * | 2018-12-03 | 2019-05-17 | 中国汽车技术研究中心有限公司 | A kind of emulation test method and device of diesel engine post-processing system OBD function |
| CN111665739A (en) * | 2020-06-04 | 2020-09-15 | 苏州国方汽车电子有限公司 | National six diesel engine digital calibration system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914852A (en) * | 2015-05-22 | 2015-09-16 | 中国汽车技术研究中心 | Diesel engine post-processing SCR test system and diesel engine post-processing SCR test method |
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| CN109765876A (en) * | 2018-12-03 | 2019-05-17 | 中国汽车技术研究中心有限公司 | A kind of emulation test method and device of diesel engine post-processing system OBD function |
| CN111665739A (en) * | 2020-06-04 | 2020-09-15 | 苏州国方汽车电子有限公司 | National six diesel engine digital calibration system |
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Application publication date: 20140910 |