CN101994593A - Method for quickly starting and stopping engine of hybrid electric vehicle and control circuit thereof - Google Patents
Method for quickly starting and stopping engine of hybrid electric vehicle and control circuit thereof Download PDFInfo
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- CN101994593A CN101994593A CN200910172922XA CN200910172922A CN101994593A CN 101994593 A CN101994593 A CN 101994593A CN 200910172922X A CN200910172922X A CN 200910172922XA CN 200910172922 A CN200910172922 A CN 200910172922A CN 101994593 A CN101994593 A CN 101994593A
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- fluted disc
- control circuit
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Abstract
The invention relates to a method for quickly starting and stopping an engine of a hybrid electric vehicle and a control circuit thereof. Two crankshaft position sensors are assembled on a flywheel disk of the engine; and a position sensor is also assembled on a motor transmission gear disk. The engine can be stopped on a cylinder top dead center through the control of an electric control unit; and oil spraying and ignition treatment are directly performed on the cylinder top dead center when the engine is restarted. The method saves a crankshaft synchronization judgment process required when the engine is started and pre-spraying treatment in the synchronization judgment process. Thus, the method has the advantages that the engine is quickly started, starting and discharging is optimized, fuel consumption is reduced and the like.
Description
Technical field
The present invention relates to the quick start-stop technology of a kind of hybrid electric vehicle engine, more particularly relate to the method and the control circuit thereof of the quick start-stop of a kind of hybrid electric vehicle engine.
Background technique
In the existing control technique field, when needing behind the engine shutdown to start once more, engine electric-controlled unit need at first carry out the synchronous deterministic process of bent axle, and the about 200ms-300ms consuming time of this process has influenced the priming speed of motor.Simultaneously the bent axle of motor judge synchronously finish after, the pre-spray that can carry out under the state of starting operating is handled, pre-spray fuel oil in cylinder, the discharging that the pre-spray of this part also can appreciable impact engine start operating mode increases engine fuel consumption, the discharging variation.
Summary of the invention
Slow in order to overcome the available engine starting, fuel consume is big, the problem of discharging difference, an object of the present invention is to provide the method for the quick start-stop of a kind of motor, and this method can be optimized the starting discharging of motor and improve fuel consume.
Another object of the present invention is on the basis of the method for the quick start-stop of above-mentioned motor, provides a kind of motor of can accurately controlling to make the method for its resting position at a cylinder top dead center.
A further object of the present invention provides a kind of control circuit that can realize the quick start-stop method of above-mentioned motor.
When needing to shut down after the engine start, can be during near zero rotating speed at motor, the engagement realization by reduction gear and each gear disk is to the braking of engine flywheel dish.The fast startup procedure of motor of the present invention is characterised in that: at a cylinder top dead center place, and motor directly carries out oil spout and ignition process at a cylinder top dead center place when starting once more with engine shutdown.
In order to realize the accurate control of a cylinder top dead center position, the present invention program preferably is equipped with two crankshaft position sensors at engine flywheel Pan Chu, and on the electric-motor-driving fluted disc, also being equipped with position transducer, engine flywheel dish and electric-motor-driving fluted disc have the dynamic absolute zero position of determining.Because the joint work between two crankshaft position sensors can realize the identification (at bent axle 60-2 fluted disc) of bent axle 3 degree corners, so can realize the accurate location of crank position.
The present invention realizes that the control circuit of the quick start-stop method of above-mentioned motor comprises:
ECU (Electrical Control Unit);
Two crankshaft position sensor devices of engine flywheel Pan Chu, two position transducers are arranged at symmetrical position, crank teeth two ends;
Position transducer on the electric-motor-driving fluted disc;
Be connected by lead between each sensor and ECU (Electrical Control Unit).
Described two crankshaft position sensors are 6 degree precision, can finally guarantee the positioning error of motor one cylinder top dead center is controlled within 3 degree.
When needing to shut down after the engine start of the present invention, engine electric-controlled unit receives the position signal on the position transducer of crankshaft position sensor and electric-motor-driving fluted disc simultaneously, and realizes signal synchronization.ECU (Electrical Control Unit) determines that according to the current location of determining and the position of a cylinder top dead center motor is applied to target moment and the target stroke on the engine flywheel, can realize that finally engine stop position accurately is controlled at a cylinder top dead center.Directly carry out oil spout and ignition process when motor starts once more, exempted the synchronous deterministic process of bent axle that motor need carry out in the prior art, and cancelled the pre-spray process under the state of starting operating at a cylinder top dead center place.Therefore having can quick starting, and can optimize that starting is discharged and advantages such as minimizing fuel consume.
Description of drawings
Fig. 1 is the structural representation of the quick start stop system of motor of the present invention.
Fig. 2 is the orientation diagram that is provided with of crankshaft position sensor of the present invention.
Embodiment
Below in conjunction with accompanying drawing, specific embodiments of the invention are described in further detail.
Structural representation such as Fig. 1 of the quick starting and stopping mechanism of motor of the present invention.The crankshaft-flywheel C place of motor A is equipped with two crankshaft position sensor B and G among the figure.Crankshaft sensor B and G are arranged at position symmetrical on the crank teeth, as shown in Figure 2.
Crankshaft position sensor B, G that lead connects, position transducer H and the ECU (Electrical Control Unit) F of electric-motor-driving fluted disc D constitute control circuit of the present invention.Be between electric-motor-driving fluted disc D and the starter motor E that gear engagement connects, and with crankshaft-flywheel C between axle be connected.
During engine shutdown; ECU (Electrical Control Unit) F accepts the sync bit signal on crankshaft position sensor B, G and the electric-motor-driving fluted disc position transducer H; and according to the current location of determining and the position of a cylinder top dead center; determine that motor is applied to target moment and the target stroke on the crankshaft-flywheel C, can realize that finally engine stop position accurately is controlled at a cylinder top dead center.
When motor starts once more, directly carry out oil spout and ignition process at a cylinder top dead center place.Owing to cancelled pre-spray processing procedure, so can realize the quick starting of motor.
Though; the present invention is clearly demonstrated by above embodiment and accompanying drawing thereof; yet under the situation that does not deviate from spirit of the present invention and essence thereof; the person of ordinary skill in the field should make various corresponding changes according to the present invention, but these corresponding changes all should belong to protection scope of the present invention.
Claims (4)
1. the method for the quick start-stop of hybrid electric vehicle engine; when engine shutdown; motor near zero rotating speed the time engagement realization by reduction gear and each fluted disc to the braking of engine flywheel dish; it is characterized in that: at a cylinder top dead center place, and motor directly carries out oil spout and ignition process at a cylinder top dead center place when starting once more with engine shutdown.
2. the method for the quick start-stop of motor as claimed in claim 1, it is characterized in that: be equipped with two crankshaft position sensors at engine flywheel Pan Chu, and on the electric-motor-driving fluted disc, also being equipped with position transducer, described engine flywheel dish and electric-motor-driving fluted disc have the dynamic absolute zero position of determining.
3. control circuit of realizing the method for the quick start-stop of motor as claimed in claim 1 or 2 comprises:
ECU (Electrical Control Unit);
Two crankshaft position sensor devices of engine flywheel Pan Chu, two position transducers are arranged at position symmetrical on the crank teeth;
Position transducer on the electric-motor-driving fluted disc;
Be connected by lead between each sensor and ECU (Electrical Control Unit).
4. control circuit as claimed in claim 3 is characterized in that: described two crankshaft position sensors are 6 degree precision, the collaborative mutually control accuracy that can finally realize 3 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910172922XA CN101994593A (en) | 2009-08-25 | 2009-09-03 | Method for quickly starting and stopping engine of hybrid electric vehicle and control circuit thereof |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910161798.7 | 2009-08-25 | ||
| CN200910161798 | 2009-08-25 | ||
| CN200910172922XA CN101994593A (en) | 2009-08-25 | 2009-09-03 | Method for quickly starting and stopping engine of hybrid electric vehicle and control circuit thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101994593A true CN101994593A (en) | 2011-03-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910172922XA Pending CN101994593A (en) | 2009-08-25 | 2009-09-03 | Method for quickly starting and stopping engine of hybrid electric vehicle and control circuit thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101994593A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559094A (en) * | 2017-08-25 | 2018-01-09 | 科力远混合动力技术有限公司 | No-clutch hybrid electric vehicle engine shuts down vibration control method |
| CN108915884A (en) * | 2018-06-20 | 2018-11-30 | 浙江吉利控股集团有限公司 | Engine on-off control method, control device and the vehicle with it |
| CN112983666A (en) * | 2021-03-26 | 2021-06-18 | 中国第一汽车股份有限公司 | Automobile quick starting method, device, equipment and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1459560A (en) * | 2002-05-22 | 2003-12-03 | 本田技研工业株式会社 | Engine starter |
| JP2005273876A (en) * | 2004-03-26 | 2005-10-06 | Mazda Motor Corp | Starting device of engine |
| US20070204827A1 (en) * | 2006-03-02 | 2007-09-06 | Kokusan Denki Co., Ltd. | Engine starting device |
| JP2008240856A (en) * | 2007-03-27 | 2008-10-09 | Mazda Motor Corp | Automatic engine stopping device for vehicle with automatic transmission |
-
2009
- 2009-09-03 CN CN200910172922XA patent/CN101994593A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1459560A (en) * | 2002-05-22 | 2003-12-03 | 本田技研工业株式会社 | Engine starter |
| JP2005273876A (en) * | 2004-03-26 | 2005-10-06 | Mazda Motor Corp | Starting device of engine |
| US20070204827A1 (en) * | 2006-03-02 | 2007-09-06 | Kokusan Denki Co., Ltd. | Engine starting device |
| JP2008240856A (en) * | 2007-03-27 | 2008-10-09 | Mazda Motor Corp | Automatic engine stopping device for vehicle with automatic transmission |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559094A (en) * | 2017-08-25 | 2018-01-09 | 科力远混合动力技术有限公司 | No-clutch hybrid electric vehicle engine shuts down vibration control method |
| CN107559094B (en) * | 2017-08-25 | 2019-10-01 | 科力远混合动力技术有限公司 | No-clutch hybrid electric vehicle engine shuts down vibration control method |
| CN108915884A (en) * | 2018-06-20 | 2018-11-30 | 浙江吉利控股集团有限公司 | Engine on-off control method, control device and the vehicle with it |
| CN108915884B (en) * | 2018-06-20 | 2020-08-18 | 贵州吉利发动机有限公司 | Engine start-stop control method and device and vehicle with same |
| CN112983666A (en) * | 2021-03-26 | 2021-06-18 | 中国第一汽车股份有限公司 | Automobile quick starting method, device, equipment and storage medium |
| CN112983666B (en) * | 2021-03-26 | 2022-09-13 | 中国第一汽车股份有限公司 | Automobile quick starting method, device, equipment and storage medium |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110330 |