CN201199197Y - Whole vehicle signal electric control simulation device for engine bench test - Google Patents
Whole vehicle signal electric control simulation device for engine bench test Download PDFInfo
- Publication number
- CN201199197Y CN201199197Y CNU2008200674061U CN200820067406U CN201199197Y CN 201199197 Y CN201199197 Y CN 201199197Y CN U2008200674061 U CNU2008200674061 U CN U2008200674061U CN 200820067406 U CN200820067406 U CN 200820067406U CN 201199197 Y CN201199197 Y CN 201199197Y
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- car load
- engine
- load signal
- simulation device
- control unit
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- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 238000004088 simulation Methods 0.000 title claims abstract description 18
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 22
- 239000000295 fuel oil Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 4
- 238000004891 communication Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 2
- 238000011217 control strategy Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Testing Of Engines (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The whole vehicle signal electric control simulation device for the engine bench test is characterized in that an engine electric control unit is connected with a whole vehicle signal generating device through a whole vehicle electric control unit, the engine electric control unit is further connected with the whole vehicle signal generating device, and a direct-current power supply is connected to the whole vehicle signal generating device. The simulation of the whole vehicle signal and the communication between the engine electric control unit and the whole vehicle electric control unit are realized in the engine bench test, the bench calibration data of the engine are optimized and enriched, the simulation precision is high, the cost is low, the service life is long, the repeatability test of the engine on the whole vehicle is reduced, the commercialized development process of the engine is shortened, the development process of the electric control engine is accelerated, the realization mode is simple, the cost is low, the safety and the reliability are realized, and the development and development cost of the engine is greatly reduced.
Description
Technical field
The utility model relates to a kind of motor car engine test, pick-up unit.Relate in particular to a kind of car load signal electronic control simulation device of engine rig test.Belong to engine electric-controlled and the detection technique field.
Background technology
The running of engine in testing laboratory at present finished the work by pedestal control system independently.In bench test, the restriction of the room environmental condition that is put to the test, can't obtain the electric signal relevant with car load, concerning electric-control motor, the virtual condition of this bench test state and car load differs greatly, it is also untrue to demarcate the engine data that gets thus, need carry out a large amount of revision tests once more on car load, has directly influenced the development process of electric-control motor.
Summary of the invention
The purpose of this utility model is the electric signal that can't obtain the car load operation at existing bench test device, defective and deficiency that engine data of being demarcated and car load virtual condition differ greatly, a kind of electric signal when simulating the car load actual motion is proposed, with the car load signal electronic control simulation device of the engine rig test that obtains true nominal data.It is with low cost, be easy to realize, safe and reliable, higher to the stated accuracy of engine data.
The purpose of this utility model realizes in the following manner: the car load signal electronic control simulation device of engine rig test, comprise engine electric-controlled unit, described engine electric-controlled unit is connected with the car load signal generation apparatus through the car load ECU (Electrical Control Unit), engine electric-controlled unit also is connected with the car load signal generation apparatus, is connected with direct supply on the described car load signal generation apparatus.
Corresponding car load ECU (Electrical Control Unit) is respectively arranged with the analog signal generator that clutch switch, service brake, parking braking, exhaust brake and fuel oil stop up on the car load signal generation apparatus described in the utility model, and corresponding engine electric-controlled unit is provided with fan and exhaust brake and gas pedal analog signal generator.
The analog signal generator that clutch switch described in the utility model, service brake, parking braking and fuel oil stop up comprises the output circuit of being made up of pushbutton switch, relay and pilot lamp, and described output circuit is connected with the car load ECU (Electrical Control Unit) through lead respectively.
The analog signal generator of fan described in the utility model and exhaust brake and gas pedal is connected with engine electric-controlled unit through lead respectively.
Engine electric-controlled unit described in the utility model is connected with the car load ECU (Electrical Control Unit) through the CAN bus.
Be provided with the scram button switch between car load signal generation apparatus described in the utility model and the engine electric-controlled unit.
Car load signal generation apparatus described in the utility model is provided with the K line interface.
Therefore, compared with prior art the utlity model has following tangible advantage:
1. realized the stand nominal data of engine is optimized and enriched in the simulation of car load signal and the communication between engine electric-controlled unit and the car load ECU (Electrical Control Unit) in engine rig test, simulation precision height and cost are low, and the life-span is long.
2. reduce the replica test of engine on car load, shortened the commercial development process of engine, accelerated the performance history of electric-control motor.
3. implementation is simple, and is with low cost, safe and reliable, greatly reduces the cost of engine development and development.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the circuit diagram of fan and exhaust brake analog signal generator among Fig. 1;
Fig. 3 is the circuit diagram of clutch switch analog signal generator among Fig. 1.
Embodiment
Below in conjunction with description of drawings and embodiment the utility model is described in further detail:
Referring to Fig. 1, Fig. 2, the car load signal electronic control simulation device of engine rig test, comprise engine electric-controlled unit, described engine electric-controlled unit is connected with the car load signal generation apparatus through the car load ECU (Electrical Control Unit), engine electric-controlled unit also is connected with the car load signal generation apparatus, is connected with direct supply on the described car load signal generation apparatus.
Wherein, described car load ECU (Electrical Control Unit) should adopt with the supporting use car load of institute's test engine on the ECU (Electrical Control Unit) device.Corresponding car load ECU (Electrical Control Unit) is respectively arranged with the analog signal generator that clutch switch, service brake, parking braking and fuel oil stop up on the car load signal generation apparatus, the analog signal generator that described clutch switch, service brake, parking braking and fuel oil stop up comprises the output circuit of being made up of pushbutton switch, relay and pilot lamp, and described output circuit is connected with the car load ECU (Electrical Control Unit) through lead respectively.
Corresponding engine electric-controlled unit is provided with fan and exhaust brake and gas pedal analog signal generator on the described car load signal generation apparatus.The analog signal generator of described fan and exhaust brake and gas pedal is connected with engine electric-controlled unit through lead respectively.Shown in Figure 2 is fan and exhaust brake analog signal generator circuit diagram.The circuit of gas pedal analog signal generator is identical with Fig. 2.Shown in Figure 3 is the circuit diagram of clutch switch analog signal generator.The circuit that the braking of Fig. 1 middle rolling car, parking braking and fuel oil stop up analog signal generator is identical with Fig. 3.
Described engine electric-controlled unit is connected with the car load ECU (Electrical Control Unit) through the CAN bus.
Be provided with the scram button switch between described car load signal generation apparatus and the engine electric-controlled unit.So that close all car load signals immediately.Described scram button switch also can be arranged in the car load signal generation apparatus.
Described car load signal generation apparatus is provided with the K line interface.
Analog signal generator on the car load signal generation apparatus mainly is to adopt relay, resistance waits simulates, signal has the continually varying aanalogvoltage, current signal, the make-and-break signal that high-low level is also arranged, for example: adopt a normally opened contact of relay to simulate service brake, when the experimenter dials down switch on the analog signal generator, when disconnecting this contact, at this moment car load ECU (Electrical Control Unit) (VECU) is just received this signal, know and to stop, it can notify engine electric-controlled unit (ECU), the driver has stepped on brake pedal, and engine electric-controlled unit (ECU) can spray oil mass by relevant control strategy adjustment immediately.The utility model makes on some electric signal that just have on the car load such as fan, clutch switch, service brake, parking braking and fuel oil obstruction etc. are able to stand in testing laboratory and realizes.Signals such as signal that this device takes place such as clutch switch, service brake, parking braking, exhaust brake, fuel oil obstruction send to car load ECU (Electrical Control Unit) (VECU) with high-low level by lead (stube cable) by the change of the on off state of relay contact, car load ECU (Electrical Control Unit) (VECU) sends to engine electric-controlled unit (ECU) to after transmitting the signal that comes and carrying out in logic integrity analysis and failed storage by the CAN bus communication.Wherein signals such as fan and exhaust brake, gas pedal are directly given engine electric-controlled unit (ECU) respectively, and whether engine electric-controlled unit (ECU) determines oil spout and distributive value size according to the information that obtains in conjunction with other parameter (as operating mode etc.).This device provides K line interface simultaneously, and the user can carry out fault diagnosis by this interface, constitutes comparatively complete pilot system.
The outward appearance of car load signal generation apparatus is a can (comprising the pushbutton switch control enclosure), have the cable that connects usefulness, during use, only need stube cable is linked to each other with the 24V power supply with car load ECU (Electrical Control Unit) (VECU) with engine electric-controlled unit (ECU), car load ECU (Electrical Control Unit) (VECU) is got final product by the connection of CAN bus.
Claims (7)
1. the car load signal electronic control simulation device of engine rig test, comprise engine electric-controlled unit, it is characterized in that: described engine electric-controlled unit is connected with the car load signal generation apparatus through the car load ECU (Electrical Control Unit), engine electric-controlled unit also is connected with the car load signal generation apparatus, is connected with direct supply on the described car load signal generation apparatus.
2. the car load signal electronic control simulation device of engine rig test according to claim 1, it is characterized in that: corresponding car load ECU (Electrical Control Unit) is respectively arranged with the analog signal generator that clutch switch, service brake, parking braking and fuel oil stop up on the described car load signal generation apparatus, and corresponding engine electric-controlled unit is provided with fan and exhaust brake and gas pedal analog signal generator.
3. the car load signal electronic control simulation device of engine rig test according to claim 2, it is characterized in that: the analog signal generator that described clutch switch, service brake, parking braking and fuel oil stop up comprises the output circuit of being made up of pushbutton switch, relay and pilot lamp, and described output circuit is connected with the car load ECU (Electrical Control Unit) through lead respectively.
4. the car load signal electronic control simulation device of engine rig test according to claim 2, it is characterized in that: the analog signal generator of described fan and exhaust brake and gas pedal is connected with engine electric-controlled unit through lead respectively.
5. the car load signal electronic control simulation device of engine rig test according to claim 1, it is characterized in that: described engine electric-controlled unit is connected with the car load ECU (Electrical Control Unit) through the CAN bus.
6. the car load signal electronic control simulation device of engine rig test according to claim 1 is characterized in that: be provided with the scram button switch between described car load signal generation apparatus and the engine electric-controlled unit.
7. the car load signal electronic control simulation device of engine rig test according to claim 1, it is characterized in that: described car load signal generation apparatus is provided with the K line interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200674061U CN201199197Y (en) | 2008-05-26 | 2008-05-26 | Whole vehicle signal electric control simulation device for engine bench test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200674061U CN201199197Y (en) | 2008-05-26 | 2008-05-26 | Whole vehicle signal electric control simulation device for engine bench test |
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| Publication Number | Publication Date |
|---|---|
| CN201199197Y true CN201199197Y (en) | 2009-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200674061U Expired - Lifetime CN201199197Y (en) | 2008-05-26 | 2008-05-26 | Whole vehicle signal electric control simulation device for engine bench test |
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| CN (1) | CN201199197Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102004035A (en) * | 2010-10-21 | 2011-04-06 | 重庆长安汽车股份有限公司 | Vehicle speed signal simulation method for benchmarking test of engine bench |
| CN102889996A (en) * | 2012-10-23 | 2013-01-23 | 潍柴动力股份有限公司 | Complete vehicle signal simulation device |
| CN103344436A (en) * | 2013-07-12 | 2013-10-09 | 昆明云内动力股份有限公司 | Method for simulating postprocessor in calibration process of automobile |
| CN104699071A (en) * | 2015-01-15 | 2015-06-10 | 东风朝阳朝柴动力有限公司 | Electric control diesel engine whole car electric function test device |
| CN104765338A (en) * | 2015-02-06 | 2015-07-08 | 南京航空航天大学 | General parallel piston engine signal simulator |
| WO2019183991A1 (en) * | 2018-03-28 | 2019-10-03 | 中汽研（天津）汽车工程研究院有限公司 | Engine bench calibration method based on simulation operation of whole vehicle |
| CN112881847A (en) * | 2021-02-08 | 2021-06-01 | 一汽解放汽车有限公司 | Device for engine calibration |
| CN116486589A (en) * | 2023-03-16 | 2023-07-25 | 潍柴动力股份有限公司 | Anti-interference transmission system and method for throttle signal of engine test bed |
-
2008
- 2008-05-26 CN CNU2008200674061U patent/CN201199197Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102004035A (en) * | 2010-10-21 | 2011-04-06 | 重庆长安汽车股份有限公司 | Vehicle speed signal simulation method for benchmarking test of engine bench |
| CN102889996A (en) * | 2012-10-23 | 2013-01-23 | 潍柴动力股份有限公司 | Complete vehicle signal simulation device |
| CN103344436A (en) * | 2013-07-12 | 2013-10-09 | 昆明云内动力股份有限公司 | Method for simulating postprocessor in calibration process of automobile |
| CN103344436B (en) * | 2013-07-12 | 2015-10-28 | 昆明云内动力股份有限公司 | A kind of method simulating preprocessor in automobile calibration process |
| CN104699071A (en) * | 2015-01-15 | 2015-06-10 | 东风朝阳朝柴动力有限公司 | Electric control diesel engine whole car electric function test device |
| CN104765338A (en) * | 2015-02-06 | 2015-07-08 | 南京航空航天大学 | General parallel piston engine signal simulator |
| WO2019183991A1 (en) * | 2018-03-28 | 2019-10-03 | 中汽研（天津）汽车工程研究院有限公司 | Engine bench calibration method based on simulation operation of whole vehicle |
| CN112881847A (en) * | 2021-02-08 | 2021-06-01 | 一汽解放汽车有限公司 | Device for engine calibration |
| CN116486589A (en) * | 2023-03-16 | 2023-07-25 | 潍柴动力股份有限公司 | Anti-interference transmission system and method for throttle signal of engine test bed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGFENG COMMERCIAL VEHICLE CO., LTD. Free format text: FORMER OWNER: DONGFENG AUTOMOBILE CO., LTD. Effective date: 20130913 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430056 WUHAN, HUBEI PROVINCE TO: 442001 SHIYAN, HUBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130913 Address after: 442001 Shiyan City, Hubei province city Zhangwan District Road No. 2 Patentee after: DONGFENG TRUCKS Co.,Ltd. Address before: 430056 Dongfeng Road, Wuhan Economic Development Zone, Hanyang District, Hubei, China, No. 10, No. Patentee before: DONGFENG MOTER Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090225 |