CN105599587A - BSG (Belt Starter Generator)-based hybrid power system configured with double speed changing boxes - Google Patents
BSG (Belt Starter Generator)-based hybrid power system configured with double speed changing boxes Download PDFInfo
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- CN105599587A CN105599587A CN201610081232.3A CN201610081232A CN105599587A CN 105599587 A CN105599587 A CN 105599587A CN 201610081232 A CN201610081232 A CN 201610081232A CN 105599587 A CN105599587 A CN 105599587A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The invention provides a BSG (Belt Starter Generator)-based hybrid power system configured with double speed changing boxes and a control method thereof. The system is composed of a BSG, an ICE, a clutch, a first speed changing box, a driving motor, a second speed changing box and a front driving shaft which are sequentially connected. The invention also discloses the control method of the BSG-based hybrid power system configured with double speed changing boxes. By virtue of the double speed changing boxes, the driving motor and the BSG, the sizes and power of the used engine and motors can be reduced, and meanwhile, the engine can operate in an optimal fuel economic zone.
Description
Technical field
The invention belongs to mechanical & electrical technology field, relate to a kind of two gearbox hybrid power systems and control method thereof based on BSG.
Background technology
When traditional power automobile is in the time waiting red light, traffic congestion, if driver does not initiatively extinguish engine, the engine air change of team increases oil consumption, causes serious energy waste and environmental pollution. BSG hybrid dynamic system has increased BSG motor on the basis of traditional vehicle. BSG motor arrangement, at the front end of engine, by the startup of belt control engine, is realized the on off control of engine.
Hybrid vehicle has oil-saving discharging-reducing than orthodox car, the advantage of reducing noise. On market, existing hybrid vehicle increases drive motors, BSG motor etc. on the basis of traditional vehicle, can realize multiple arrangement according to the difference of position. Can realize multiple drive modes according to the difference of each arrangement. Hybrid vehicle uses drive motors and (or) BSG motor simultaneously, improves the fuel economy of engine.
In prior art, adopt separately the Technology of Hybrid Electric Vehicle scheme of BSG motor: BSG motor arrangement, at the front end of engine, starts by belt control engine, can realize the idling start and stop of engine. This technical scheme can not realize electric-only mode and drive Vehicle Driving Cycle, still need to use engine start-from-stop engine in poor efficiency district, and comfortableness when making vehicle start in conjunction with the method for Clutch Control vehicle start is poor in the time of vehicle start. Orthodox car clutch in the time of gearshift can separate, and then plucks gear, shifting action, now there is no power transmission to output shaft of gear-box, there will be the interruption of car load power output.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of two gearbox hybrid power systems and control method thereof based on BSG. This system is furnished with two gearboxes, is furnished with drive motors and is coaxially connected with former and later two gearboxes, and be equipped with the hybrid power system of BSG motor between two gearboxes. In the time of vehicle start, engine does not need work, and the first gearbox is neutral gear, and drive motors drives the second gearbox, realizes pure motor driving. In the time of pure motor driving, have two gears, the design of two grades can improve output torque, meets max. speed requirement, contributes to optimize size and the power of motor.
Its technical scheme is as follows:
Based on two gearbox hybrid power systems of BSG, be connected in sequence by BSG motor 1, ICE2, clutch 3, the first gearbox 4, drive motors 5, the second gearbox 6 and drive axle 7.
Further preferably, described the second gearbox 6 has forward gear, neutral gear, reverse gear, and forward gear has two gears.
Further preferably, described drive motors 5 is between the first gearbox 4 and the second gearbox 6, and the motor shaft of the output shaft of the first gearbox 4 and drive motors 5, the power shaft of the second gearbox 6 are coaxially connected.
A control method for two gearbox hybrid power systems based on BSG, concrete control procedure is as follows:
Step 1, electric-only mode: the driving torque in demand is lower, in the situation of battery electric quantity license, clutch 3 is in released state, and the first gearbox 4 is positioned at neutral state, and the second gearbox 6 is at shelves, and engine is not worked; Powered to drive motors 5 by battery, drive motors 5 drives the second gearbox 6, realizes vehicle start and runs at a low speed;
Step 2, series model: the driving torque in demand is lower, in the lower situation of battery electric quantity, clutch 3 is positioned at released state, and the first gearbox 4 is positioned at neutral state, and the second gearbox 6 is at gear, and engine generates electricity with BSG motor 1, charges a battery; Drive motors 5 drives wheel, realizes vehicle start and runs at a low speed;
Step 3, paralleling model: in the situation that demand driving torque is larger, clutch 3 is positioned at bonding state, the first gearbox 4 and the second gearbox 6 are all in a grade state, and engine and drive motors 5 drive simultaneously;
Step 4, braking energy take-back model: the in the situation that of vehicle sliding or brake pedal braking, clutch 3 is positioned at released state, and the first gearbox 4 is positioned at neutral state, and the second gearbox 6 is located at gear state, drive motors 5 provides braking torque, and drive motors 5 generatings charge a battery;
Step 5, driving charge mode: when driving, and in the situation of battery electric quantity lower than setting value, clutch 3 is positioned at closure state, and the first gearbox 4 and the second gearbox 6 are all in gear state, use BSG motor 1 or drive motors 5 to generate electricity, charge a battery;
Step 6, idling charge mode: lower at battery electric quantity, in the situation that vehicle waits for that traffic lights or idling are stopped, clutch 3 is positioned at closure state, and the first gearbox 4 is at shelves, the second gearbox 6 is positioned at neutral state, and driven by engine BSG motor 1, drive motors 5 charge a battery.
Further, separate at clutch 3, the first gearbox 4 is positioned at neutral state, and when vehicle travels with electric-only mode, the second gearbox 6 has two gears; Use the low-grade location of the second gearbox 6, low-grade location speed ratio is large, and motor can be exported by high pulling torque, starts, accelerates or climbing for car load; In clutch 3 combinations, the first gearbox 4 is at gear, and when vehicle travels with paralleling model, motor can assisted engine, and car load power-assisted is provided, and now uses the second gear high tap position of the second gearbox 6, uses for the high speed section of car load;
Further, the second gearbox 6 has forward gear, neutral gear, reverse gear, and forward gear has two gears, can make output torque, the rotating speed of drive motors 5 reach optimum, and the cost of motor and gearbox is minimum.
Further, be positioned at bonding state at clutch 3, form altogether four gears by the gear combination of the first gearbox 4 and the second gearbox 6, engine can be taken into account low speed and dynamic property and economy at a high speed; Drive motors 5 can drive Vehicle Driving Cycle in the time of gearshift, ensures that power does not interrupt.
Compared with prior art, beneficial effect of the present invention:
Two gearbox hybrid power systems based on BSG provided by the invention are a kind of two gearboxes of being furnished with, and are furnished with drive motors and are coaxially connected with former and later two gearboxes, and be equipped with the hybrid power system of BSG motor between two gearboxes. Gearbox near vehicle front is the first gearbox, is the second gearbox at the gearbox of vehicle rear. The power shaft of the first gearbox connects clutch, and the output shaft of the first gearbox is coaxial with the power shaft of drive motors, the second gearbox.
In the time of vehicle start, drive motors can drive, realizes pure motor driving. In the time of pure motor driving, there are two gears, can improve output torque, contribute to optimize size and the power of motor. While adopting the first gearbox to shift gears, drive motors can drive Vehicle Driving Cycle in the time of gearshift, ensures that power does not interrupt. The first gearbox (second gear) and the second gearbox (second gear) combination, form four gears altogether, and the many gears that provide by gearbox in the time of engine operation can be taken into account the output of vehicle torque and rotational speed. BSG motor and drive motors can be according to the operation intervals of the torque/speed Optimization of hysteretic characteristic curve engine of engine.
The present invention can reduce the engine of use and the size of motor and power by the configuration of two gearboxes, drive motors and BSG motor, can make engine operation in optimum fuel-economy district simultaneously.
Brief description of the drawings
Fig. 1 is the schematic diagram of the two gearbox hybrid power systems based on BSG.
Detailed description of the invention
Further illustrate technical scheme of the present invention below in conjunction with drawings and embodiments.
With reference to Fig. 1, a kind of two gearbox hybrid power systems based on BSG, are connected in sequence by BSG motor 1, ICE2, clutch 3, the first gearbox 4, drive motors 5, the second gearbox 6 and drive axle 7.
Described the second gearbox 6 has forward gear, neutral gear, reverse gear, and forward gear has two gears.
Described drive motors 5 is between the first gearbox 4 and the second gearbox 6, and the motor shaft of the output shaft of the first gearbox 4 and drive motors 5, the power shaft of the second gearbox 6 are coaxially connected.
A control method for two gearbox hybrid power systems based on BSG, concrete control procedure is as follows:
Step 1, electric-only mode: the driving torque in demand is lower, in the situation of battery electric quantity license, clutch 3 is in released state, and the first gearbox 4 is positioned at neutral state, and the second gearbox 6 is at shelves, and engine is not worked; Powered to drive motors 5 by battery, drive motors 5 drives the second gearbox 6, realizes vehicle start and runs at a low speed;
Step 2, series model: the driving torque in demand is lower, in the lower situation of battery electric quantity, clutch 3 is positioned at released state, the first gearbox 4 is positioned at neutral state, the second gearbox 6 is at gear, and engine generates electricity with BSG motor 1, charges a battery, drive motors 5 drives wheel, realizes vehicle start and runs at a low speed;
Step 3, paralleling model: in the situation that demand driving torque is larger, clutch 3 is positioned at bonding state, the first gearbox 4 and the second gearbox 6 are all in a grade state, and engine and drive motors 5 drive simultaneously;
Step 4, braking energy take-back model: the in the situation that of vehicle sliding or brake pedal braking, clutch 3 is positioned at released state, and the first gearbox 4 is positioned at neutral state, and the second gearbox 6 is located at gear state, drive motors 5 provides braking torque, and drive motors 5 generatings charge a battery;
Step 5, driving charge mode: when driving, and in the situation of battery electric quantity lower than setting value, clutch 3 is positioned at closure state, and gearbox is located at a grade state, uses BSG motor 1 or drive motors 5 to generate electricity, and charges a battery;
Step 6, idling charge mode: lower at battery electric quantity, in the situation that vehicle waits for that traffic lights or idling are stopped, clutch 3 is positioned at closure state, and the first gearbox 4 is at shelves, the second gearbox 6 is positioned at neutral state, and driven by engine BSG motor 1, drive motors 5 charge a battery.
Separate at clutch 3, the first gearbox 4 is positioned at neutral state, and when vehicle travels with electric-only mode, the second gearbox 6 has two gears; Use the low-grade location of the second gearbox 6, low-grade location speed ratio is large, and motor can be exported by high pulling torque, starts, accelerates or climbing for car load; In clutch 3 combinations, the first gearbox 4 is at gear, and when vehicle travels with paralleling model, motor can assisted engine, and car load power-assisted is provided, and now uses the second gear high tap position of the second gearbox 6, uses for the high speed section of car load;
Further, the second gearbox 6 has forward gear, neutral gear, reverse gear, and forward gear has two gears, can make output torque, the rotating speed of drive motors 5 reach optimum, and the cost of motor and gearbox is minimum.
Be positioned at bonding state at clutch 3, form altogether four gears by the gear combination of the first gearbox 4 and the second gearbox 6, engine can be taken into account low speed and dynamic property and economy at a high speed; Drive motors 5 can drive Vehicle Driving Cycle in the time of gearshift, ensures that power does not interrupt.
The present invention uses two gearbox designs, is furnished with drive motors and is coaxially connected with former and later two gearboxes between two gearboxes. This kind of arrangement scheme can effectively improve moment of torsion and the rotating speed output of engine and motor, improves the efficiency of engine and motor.
When the present invention adopts the first gearbox to shift gears, the output shaft of the first gearbox does not have power input. But drive motors is connected to the input of the second gearbox, therefore still can drive Vehicle Driving Cycle at the shift process of the first gearbox, ensure that power does not interrupt.
The first gearbox (second gear) and the second gearbox (second gear) combination, form four gears altogether, and the many gears that provide by gearbox in the time of engine operation can be taken into account the output of vehicle torque and rotational speed.
The above, be only best mode for carrying out the invention, any be familiar with those skilled in the art the present invention disclose technical scope in, the simple change of the technical scheme that can obtain apparently or equivalence replace all fall within the scope of protection of the present invention.
Claims (6)
1. the two gearbox hybrid power systems based on BSG, it is characterized in that, by BSG motor (1), ICE(2), clutch (3), the first gearbox (4), drive motors (5), the second gearbox (6) and drive axle (7) be connected in sequence.
2. the two gearbox hybrid power systems based on BSG according to claim 1, is characterized in that, described the second gearbox (6) has forward gear, neutral gear, reverse gear, and forward gear has two gears.
3. the two gearbox hybrid power systems based on BSG according to claim 1, it is characterized in that, described drive motors (5) is positioned between the first gearbox (4) and the second gearbox (6), and the output shaft of the first gearbox (4) is coaxially connected with the power shaft of the motor shaft of drive motors (5), the second gearbox (6).
4. a control method for the two gearbox hybrid power systems based on BSG, is characterized in that, concrete control procedure is as follows:
Step 1, electric-only mode: the driving torque in demand is lower, in the situation of battery electric quantity license, clutch (3) is in released state, and the first gearbox (4) is positioned at neutral state, and the second gearbox (6) is at shelves, and engine is not worked; By battery, to drive motors (5) power supply, drive motors (5) drives the second gearbox (6), realizes vehicle start and runs at a low speed;
Step 2, series model: the driving torque in demand is lower, in the lower situation of battery electric quantity, clutch (3) is positioned at released state, the first gearbox (4) is positioned at neutral state, the second gearbox (6) is at gear, and engine, with BSG motor (1) generating, charges a battery, drive motors (5) drives wheel, realizes vehicle start and runs at a low speed;
Step 3, paralleling model: in the situation that demand driving torque is larger, clutch (3) is positioned at bonding state, the first gearbox (4) and the second gearbox (6) are all in a grade state, and engine and drive motors (5) drive simultaneously;
Step 4, braking energy take-back model: the in the situation that of vehicle sliding or brake pedal braking, clutch (3) is positioned at released state, the first gearbox (4) is positioned at neutral state, the second gearbox (6) is located at gear state, drive motors (5) provides braking torque, and drive motors (5) generating charges a battery;
Step 5, driving charge mode: when driving, and in the situation of battery electric quantity lower than setting value, clutch (3) is positioned at closure state, and gearbox is located at a grade state, use BSG motor (1) or drive motors (5) generating, charges a battery;
Step 6, idling charge mode: lower at battery electric quantity, in the situation that vehicle waits for that traffic lights or idling are stopped, clutch (3) is positioned at closure state, the first gearbox (4) is at shelves, the second gearbox (6) is positioned at neutral state, and driven by engine BSG motor (1), drive motors (5) charge a battery.
5. the control method of the two gearbox hybrid power systems based on BSG according to claim 4, it is characterized in that, separate at clutch (3), the first gearbox (4) is positioned at neutral state, when vehicle travels with electric-only mode, the second gearbox (6) has two gears; Use the low-grade location of the second gearbox (6), low-grade location speed ratio is large, and motor can be exported by high pulling torque, starts, accelerates or climbing for car load; In clutch (3) combination, the first gearbox (4) is at gear, and when vehicle travels with paralleling model, motor can assisted engine, and car load power-assisted is provided, and now uses the second gear of the second gearbox (6), uses for the high speed section of car load.
6. the control method of the two gearbox hybrid power systems based on BSG according to claim 4, it is characterized in that, be positioned at bonding state at clutch (3), form altogether four gears by the gear combination of the first gearbox (4) and the second gearbox (6); Drive motors (5) can drive Vehicle Driving Cycle in the time of gearshift, ensures that power does not interrupt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610081232.3A CN105599587A (en) | 2016-02-05 | 2016-02-05 | BSG (Belt Starter Generator)-based hybrid power system configured with double speed changing boxes |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610081232.3A CN105599587A (en) | 2016-02-05 | 2016-02-05 | BSG (Belt Starter Generator)-based hybrid power system configured with double speed changing boxes |
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| CN201610081232.3A Pending CN105599587A (en) | 2016-02-05 | 2016-02-05 | BSG (Belt Starter Generator)-based hybrid power system configured with double speed changing boxes |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113459788A (en) * | 2021-06-25 | 2021-10-01 | 三一重型装备有限公司 | Hybrid assembly and control method thereof |
| CN117261571A (en) * | 2023-11-22 | 2023-12-22 | 江苏常矿工程机械有限公司 | Double-motor hybrid power system of wide dump truck and control method thereof |
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| EP0953467A3 (en) * | 1998-04-28 | 2001-03-21 | Hitachi, Ltd. | Power transmission apparatus for an automobile |
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| CN113459788A (en) * | 2021-06-25 | 2021-10-01 | 三一重型装备有限公司 | Hybrid assembly and control method thereof |
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| CN117261571B (en) * | 2023-11-22 | 2024-03-19 | 江苏常矿工程机械有限公司 | Double-motor hybrid power system of wide dump truck and control method thereof |
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Application publication date: 20160525 |