CN105599590A - Three-gear hybrid-power transmission and three-gear combined driving method of hybrid power vehicle - Google Patents
Three-gear hybrid-power transmission and three-gear combined driving method of hybrid power vehicle Download PDFInfo
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- CN105599590A CN105599590A CN201510830811.9A CN201510830811A CN105599590A CN 105599590 A CN105599590 A CN 105599590A CN 201510830811 A CN201510830811 A CN 201510830811A CN 105599590 A CN105599590 A CN 105599590A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention relates to a three-gear hybrid-power transmission and three-gear combined driving method of a hybrid power vehicle, and belongs to the technical field of hybrid-power-vehicle transmissions. According to the technical scheme, the three-gear hybrid-power transmission comprises a second-gear driving gear (11), a third-gear driving gear (12), a first-gear driving gear (21), a first-gear driven gear (31), a second-gear driven gear (32), a third-gear driven gear (33), a main speed reduction driving gear (34), a parking gear (35), a differential mechanism (50) arranged in a transmission shell, a differential-mechanism gear ring (51) connected on the differential mechanism (50) and a pawl (41) arranged on the transmission shell, wherein the second-gear driving gear (11) and the third-gear driving gear (12) are arranged on an input shaft of an engine, the first-gear driving gear (21) is arranged on an input shaft (20) of a motor, and the first-gear driven gear (31), the second-gear driven gear (32), the third-gear driven gear (33), the main speed reduction driving gear (34) and the parking gear (35) are arranged on an output shaft (30). By means of the transmission, a vehicle can be driven by the engine independently, can be driven by the motor independently and can be driven by the engine and the motor jointly, and the energy recycling function, the gear-shifting-process power compensation function and the parking function can be achieved.
Description
Technical field
The present invention relates to a kind of Hybrid Vehicle mixed moving speed changer of three gears and three gear hybrid driving methods, belong to hybrid-powered motor speed variator technical field.
Background technology
In recent years, under the pressure of the dual-pressure of energy crisis and environmental pollution, various countries had launched respectively relevant policies, exploitation, the popularization of guiding and encouragement new-energy automobile. At present, in China's new-energy automobile, hybrid vehicle is with the fastest developing speed. Hybrid power generally refers to that oil electricity mixes. Hybrid vehicle have motor and engine with double engines, can be driven by motor or engine single power, also can be driven by motor and engine simultaneously, can be according to the power output of driver's operation intention and road conditions coordination engine and motor while normally work.
Hybrid vehicle is realized the power matching of motor and engine by mixed moving gearbox. For example, in the time running at a low speed, automobile is driven separately by motor; In the time that high-performance cruise is travelled, automobile is driven separately by engine, if electrokinetic cell electric weight is low, to drive generator in automobile be power battery charging to engine driving; In the time of climbing or anxious acceleration, automobile is driven jointly by engine and motor; In the time of descending or braking, drive generator energy to reclaim by mixed moving speed changer. Than orthodox car, hybrid vehicle has engine, motor is two holds up, and can allow the engine more time be operated in most effective rotating speed district, and its fuel economy is higher, comfortableness better, power is more powerful.
At present, the gearbox adopting in hybrid vehicle mostly is 5 speed and above gearboxes, and version mostly is planetary gear type, though have advantages of compact conformation, volume is little, integration good, can realize electrodeless variable-speed, but its control strategy complexity, requirement on machining accuracy is higher, cost is high. If use more motor driven in vehicle traveling process, oil consumption is difficult to reduce. If use more Motor Drive in vehicle traveling process, if Motor Drive transmission input shaft, the unpowered compensation of shifting gears, causes driver comfort poor; If Motor Drive transmission output shaft, transmission gear utilization rate is low, causes waste. Therefore cannot realize the perfect matching of power and economy and comfortableness.
Summary of the invention
The object of the invention is to provide a kind of Hybrid Vehicle mixed moving speed changer of three gears and three gear hybrid driving methods, realize the perfect matching of hybrid electric vehicle power, economy and driver comfort, reduce the oil consumption of hybrid vehicle, improve the utilization rate of each gear, eliminate the pause and transition in rhythm or melody sense of shift process, improve driver comfort and the dynamic property of car load, solve the problem that background technology exists.
Technical solution of the present invention is:
The mixed moving speed changer of a kind of Hybrid Vehicle three gear, comprising: be arranged in parallel in engine power shaft, motor power shaft and output shaft in speed changer; Be placed in the gear driving gear of two on engine power shaft and three gear driving gears; Be placed in the gear of one on motor power shaft driving gear; Be placed in the gear of one on output shaft driven gear, two gear driven gears, three gear driven gear, main deceleration driving gear and parking gears; Be arranged on the differential mechanism in case of transmission, be connected to the differential mechanism gear ring on differential mechanism; Be arranged on the ratchet on case of transmission. Above-mentioned parts is the foundation structure (hereinafter " foundation structure " is by the entirety of above acute pyogenic infection of finger tip each parts composition) of speed changer of the present invention.
In described speed changer, the two ends of differential mechanism connect wheel by power transmission shaft respectively; One gear driving gear often engages with a gear driven gear, and two gear driving gears often engage with two gear driven gears, and three gear driving gears often engage with three gear driven gears, and main deceleration driving gear often engages with differential mechanism gear ring; Engine power shaft is connected with engine, and motor power shaft is connected with motor; Ratchet can be realized with parking gear engagement or separate, and when ratchet engages with parking gear, output shaft is fixed, and can realize parking function.
Speed changer of the present invention is provided with three gears altogether, and the power transmission line of corresponding engine is provided with two gears (two gears, three gears), and respective motor power transmission line is provided with a gear (gear); Two gears of corresponding engine are respectively used to automobile low rate start, power-assisted, walk lamely and run at high speed, and between two gears in shift process, motor can carry out power compensation; A gear of respective motor can be used for vehicle starting, climbing and normally travels etc. In the time that automobile runs at a low speed, mainly by Motor Drive, engine is mainly used in power-assisted, and when galloping, mainly by motor driven, motor is for power-assisted.
According to the difference of gearshift implementation, the mixed moving speed changer of three gear provided by the invention has following four kinds of implementations:
The first, except above-mentioned foundation structure also comprises the synchronized being connected on motor power shaft and is connected in No. two synchronizeds on output shaft. The mixed moving speed changer of three gears of this implementation is realized gearshift by being connected in a synchronized on motor power shaft and No. two synchronizeds that are connected on output shaft;
The second, except above-mentioned foundation structure also comprises the synchronized and No. two synchronizeds that are connected on output shaft. The mixed moving speed changer of three gears of this implementation by being connected in a synchronized on output shaft, No. two synchronizeds are realized gearshift;
The third, except above-mentioned foundation structure also comprises the first arrangement of clutch being connected on motor power shaft, for controlling being connected and disconnection of a gear driving gear and motor power shaft; Be connected in the second arrangement of clutch and the 3rd arrangement of clutch on output shaft, be respectively used to control two gear driven gears and output shaft be connected and disconnection, three gear driven gears are connected and disconnection with output shaft. The mixed moving speed changer of three gears of this implementation is realized gearshift by the second arrangement of clutch, the 3rd arrangement of clutch that are connected in the first arrangement of clutch on motor power shaft and be connected on output shaft;
The 4th kind, except above-mentioned foundation structure also comprises the first arrangement of clutch, the second arrangement of clutch and the 3rd arrangement of clutch that are connected on output shaft, be respectively used to control a gear driven gear and output shaft be connected and disconnection, two gear driven gears and output shaft be connected and disconnection, three keeps off being connected and disconnection of driven gears and output shaft. The mixed moving speed changer of three gears of this implementation is realized gearshift by the first arrangement of clutch, the second arrangement of clutch, the 3rd arrangement of clutch that are connected on output shaft.
Described the first arrangement of clutch, the second arrangement of clutch, the 3rd arrangement of clutch are wet clutch.
The present invention is on the mixed moving speed changer of the three gears basis providing, a kind of three gear hybrid driving methods of hybrid vehicle are also proposed, according to the different operating modes of automobile, the different gear work of described speed changer, can realize the combination drive of engine E and motor M, particular content is as follows:
Two gears and three of the mixed moving speed changer of three gear provided by the invention keep off and are respectively used to automobile low rate start, power-assisted, walk lamely and run at high speed, and between two gears in shift process motor can carry out power compensation; In described speed changer, respective motor gear is used for vehicle starting, climbing and normally travels;
In the time that automobile runs at a low speed, mainly by Motor Drive, engine is mainly used in power-assisted; When galloping, mainly by motor driven, motor is for power-assisted; In the time of automobile climb very steep slopes or anxious acceleration, driven by engine and motor simultaneously; At braking automobile or while unclamping throttle, can carry out energy recovery; The process of changing to three gears at speed changer two gears, motor can carry out power compensation to automobile; In the time that automobile needs parking, described speed changer can be realized parking function.
1. motor drives separately automobile: when only gear when work of speed changer, the motor source that is used as power, can realize motor and drive separately automobile. The power of motor passes to output shaft, then passes to wheel through main deceleration driving gear, differential mechanism gear ring, power transmission shaft through motor power shaft, a gear driving gear, a gear driven gear;
2. engine drives separately automobile: when only two gears or three gears when work of speed changer, the engine source that is used as power, can realize engine and drive separately automobile. The power of engine passes to output shaft, then passes to wheel through main deceleration driving gear, differential mechanism gear ring, power transmission shaft through engine power shaft, two gear driving gears (three gear driving gears), two gear driven gear (three gear driven gears);
3. engine and motor drive automobile jointly: when a gear and two gears of speed changer work simultaneously or a gear with three gears while working simultaneously, engine and the motor source that is used as power, can realize engine and motor and jointly drive automobile. The power of engine passes to output shaft through engine power shaft, two gear driving gears (three gear driving gears), two gear driven gears (three gear driven gears), the power of motor passes to output shaft through motor power shaft, a gear driving gear, a gear driven gear, after two strands of power are coupled on output shaft, then pass to wheel through main deceleration driving gear, differential mechanism gear ring, power transmission shaft;
4. energy reclaims: when braking automobile or while unclamping throttle, and speed changer one gear work, motor is operated in power generation mode, can realize energy and reclaim. Automobile travels under inertia, wheel drives output shaft rotation by power transmission shaft, differential mechanism gear ring, main deceleration driving gear, then drive a gear driven gear, a gear driving gear, motor power shaft to rotate, by motor, mechanical energy is converted to power storage in battery, realize energy recovery, reduced complete-vehicle oil consumption;
5. power compensation: in the time that engine drives automobile separately, two gears of speed changer are changed in three gear processes, and this speed changer can be realized the power compensation of shift process. The power of changing to engine in three gear processes at two gears of speed changer will interrupt, for avoiding producing pause and transition in rhythm or melody sense, and a now gear job of speed changer, the motor source that is used as power, is automobile compensation power, has improved the driver comfort of car load. The power of motor passes to output shaft, then passes to wheel through main deceleration driving gear, differential mechanism gear ring, power transmission shaft through motor power shaft, a gear driving gear, a gear driven gear;
6. parking function: the ratchet in speed changer engages with parking gear, fixes output shaft, can realize parking function.
Beneficial effect of the present invention: the present invention have with low cost, inheritance good, control the advantages such as simple. Than the above gearbox of 5 speed of background technology, the mixed moving speed changer of three gear provided by the invention makes hybrid vehicle utilize more Motor Drive, has improved driver comfort, has reduced the oil consumption of hybrid vehicle, has reduced exhaust emissions. The mixed moving speed changer of three gear provided by the invention has that volume is little, quality light, low cost and other advantages, and has taken into account dynamic property, economy and the driver comfort of car load, so the mixed moving speed changer of three gear provided by the invention has extraordinary application prospect.
Brief description of the drawings
Fig. 1 is the embodiment of the present invention one structural representation;
Fig. 2 is the embodiment of the present invention two structural representations;
Fig. 3 is the embodiment of the present invention three structural representations;
Fig. 4 is the embodiment of the present invention four structural representations;
In figure: engine E, motor M; Engine power shaft 10, two gear driving gears 11, three gear driving gears 12; Output shaft 30, a gear driven gear 31, two gear driven gears 32, three gear driven gears 33, main deceleration driving gear 34, parking gear 35; Motor power shaft 20, a gear driving gear 21; Ratchet 41; Differential mechanism 50, differential mechanism gear ring 51, power transmission shaft 52; Synchronized S1, No. two synchronized S2; The first arrangement of clutch C1, the second arrangement of clutch C2, the 3rd arrangement of clutch C3.
Detailed description of the invention
Below now by reference to the accompanying drawings, by embodiment, the present invention will be further described.
The mixed moving speed changer of a kind of Hybrid Vehicle three gear, comprising: be arranged in parallel in engine power shaft 10, motor power shaft 20 and output shaft 30 in speed changer; Be placed in the gear driving gear 11 of two on engine power shaft 10 and three gear driving gears 12; Be placed in the gear of one on motor power shaft 20 driving gear 21; Be placed in the gear of one on output shaft 30 driven gear 31, two gear driven gears 32, three gear driven gear 33, main deceleration driving gear 34 and parking gears 35; Be arranged on the differential mechanism 50 in case of transmission, be arranged on the ratchet 41 on case of transmission. Above-mentioned parts is the foundation structure (hereinafter " foundation structure " is by the entirety of above acute pyogenic infection of finger tip each parts composition) of speed changer of the present invention.
In described speed changer, the two ends of differential mechanism 50 connect wheel by power transmission shaft 52 respectively; One gear driving gear 21 often engages with a gear driven gear 31, and two gear driving gears 11 often engage with two gear driven gears 32, and three gear driving gears 12 often engage with three gear driven gears 33, and main deceleration driving gear 34 often engages with differential mechanism gear ring 51; Engine power shaft 10 is connected with engine E, and motor power shaft 20 is connected with motor M; Ratchet 41 can be realized with parking gear 35 and engage or separate, and in the time that ratchet 41 engages with parking gear 35, by fixing output shaft 30, can realize parking function.
Speed changer of the present invention is provided with three gears altogether, and the power transmission line of corresponding engine is provided with two gears (two gears, three gears), and respective motor power transmission line is provided with a gear (gear); Two gears of corresponding engine are respectively used to automobile low rate start, power-assisted, walk lamely and run at high speed, and between two gears in shift process, motor can carry out power compensation; A gear of respective motor can be used for vehicle starting, climbing and normally travels etc. In the time that automobile runs at a low speed, mainly by Motor Drive, engine is mainly used in power-assisted, and when galloping, mainly by motor driven, motor is for power-assisted.
Speed changer of the present invention, except foundation structure, also comprises gearshift, and according to the difference of gearshift implementation, the mixed moving speed changer of three gear provided by the invention has following four kinds of implementations:
The first, except above-mentioned foundation structure also comprises a synchronized S1 who is connected on motor power shaft 20 and is connected in No. two synchronized S2 on output shaft. The mixed moving speed changer of three gears of this implementation is realized gearshift by being connected in a synchronized S1 on motor power shaft 20 and No. two synchronized S2 that are connected on output shaft 30;
The second, except above-mentioned foundation structure also comprises the synchronized S1 and No. two synchronized S2 that are connected on output shaft 30. The mixed moving speed changer of three gears of this implementation is realized gearshift by being connected in a synchronized S1 on output shaft, No. two synchronized S2;
The third, except above-mentioned foundation structure also comprises the first arrangement of clutch C1 being connected on motor power shaft 20, for controlling being connected and disconnection of a gear driving gear and motor power shaft; Be connected in the second arrangement of clutch C2 and the 3rd arrangement of clutch C3 on output shaft, be respectively used to control two gear driven gears and output shaft be connected and disconnection, three gear driven gears are connected and disconnection with output shaft. The mixed moving speed changer of three gears of this implementation is realized gearshift by the second arrangement of clutch C2, the 3rd arrangement of clutch C3 that are connected in the first arrangement of clutch C1 on motor power shaft 20 and be connected on output shaft 30;
The 4th kind, except above-mentioned foundation structure also comprises the first arrangement of clutch C1, the second arrangement of clutch C2 and the 3rd arrangement of clutch C3 that are connected on output shaft 30, be respectively used to control a gear driven gear and output shaft be connected and disconnection, two gear driven gears and output shaft be connected and disconnection, three keeps off being connected and disconnection of driven gears and output shaft. The mixed moving speed changer of three gears of this implementation is realized gearshift by the first arrangement of clutch C1, the second arrangement of clutch C2, the 3rd arrangement of clutch C3 that are connected on output shaft 30.
Described the first arrangement of clutch C1, the second arrangement of clutch C2, the 3rd arrangement of clutch C3 are wet clutch.
According to four kinds of implementations of the mixed moving speed changer of three gear provided by the invention, be elaborated as follows to corresponding embodiment:
Embodiment mono-, with reference to accompanying drawing 1.
Engine power shaft 10, motor power shaft 20 and output shaft 30 are arranged in gearbox abreast, and in hybrid vehicle, engine power shaft 10 is connected with engine E by clutch, and motor power shaft 20 is connected with motor M; Two gear driving gears 11 and three gear driving gears 12 are connected on engine power shaft 10 by spline; One gear driven gear 31, main deceleration driving gear 34, parking gear 35 are connected on output shaft 30 by spline; Two gear driven gears 32, three gear driven gears 33 are connected on output shaft 30 by needle bearing or direct cover, and can rotate relative to output shaft 30; One gear driving gear 21 is connected on motor power shaft 20 by needle bearing or direct cover, and can rotate relative to motor power shaft 20; One end of ratchet 41 is placed on case of transmission, and can realize with the engagement of parking gear 35, separates; Differential mechanism 50 is fixed in case of transmission, and differential mechanism gear ring 51 is connected on differential mechanism 50; No. one synchronized S1 is connected on motor power shaft 20 by spline; No. two synchronized S2 is connected on output shaft 30 by spline.
The power path of the each gear of this speed changer is as follows:
1. a gear: No. synchronized S1 hangs left into a gear, and No. two synchronized S2 are in neutral position state. The power of motor M passes to output shaft 30 through motor power shaft 20, synchronized S1, a gear driving gear 21 and a gear driven gear 31, then passes to wheel through main deceleration driving gear 34 and differential mechanism gear ring 51, power transmission shaft 52;
2. two gears: No. two synchronized S2 changes to two gears left, and a synchronized S1 is in neutral position state. The power of engine E passes to output shaft 30 through engine power shaft 10, two gear driving gears 11, two gear driven gears 32 and No. two synchronized S2, then passes to wheel through main deceleration driving gear 34 and differential mechanism gear ring 51, power transmission shaft 52;
3. three gears: No. two synchronized S2 changes to three gears to the right, and a synchronized S1 is in neutral position state. The power of engine E passes to output shaft 30 through engine power shaft 10, three gear driving gears 12, three gear driven gears 33 and No. two synchronized S2, then passes to wheel through main deceleration driving gear 34 and differential mechanism gear ring 51, power transmission shaft 52.
Embodiment bis-, with reference to accompanying drawing 2.
Engine power shaft 10, motor power shaft 20 and output shaft 30 are arranged in gearbox abreast, and in hybrid vehicle, engine power shaft 10 is connected with engine E by clutch, and motor power shaft 20 is connected with motor M; Two gear driving gears 11 and three gear driving gears 12 are connected on engine power shaft 10 by spline; Main deceleration driving gear 34, parking gear 35 are connected on output shaft 30 by spline; One gear driven gear 31, two gear driven gears 32, three gear driven gears 33 are connected on output shaft 30 by needle bearing or direct cover, and can rotate relative to output shaft 30; One gear driving gear 21 is connected on motor power shaft 20 by spline; One end of ratchet 41 is placed on case of transmission, and can realize with the engagement of parking gear 35, separates; Differential mechanism 50 is fixed in case of transmission, and differential mechanism gear ring 51 is connected on differential mechanism 50; No. one synchronized S1, No. two synchronized S2 are connected on output shaft 30 by spline.
The power path of the each gear of this speed changer is as follows:
1. a gear: No. synchronized S1 hangs to the right into a gear, and No. two synchronized S2 are in neutral position state. The power of motor M passes to output shaft 30 through motor power shaft 20, a gear driving gear 21, a gear driven gear 31 and a synchronized S1, then passes to wheel through main deceleration driving gear 34 and differential mechanism gear ring 51, power transmission shaft 52;
2. two gears are identical with two gears, three power path of keeping off of three power path of keeping off and embodiment provided by the invention.
Embodiment tri-, with reference to accompanying drawing 3.
The connected mode of foundation structure is identical with the connected mode in embodiment mono-provided by the invention; Except foundation structure, the first arrangement of clutch C1 is connected on motor power shaft 20 by spline; The second arrangement of clutch C2 and the 3rd arrangement of clutch C3 are connected on output shaft 30 by spline.
The power path of the each gear of this speed changer is as follows:
1. a gear: the first arrangement of clutch C1 engages, and the second arrangement of clutch C2 and the 3rd arrangement of clutch C3 are in released state. The power of motor M passes to output shaft 30 through motor power shaft 20, the first arrangement of clutch C1, a gear driving gear 21 and a gear driven gear 31, then passes to wheel through main deceleration driving gear 34 and differential mechanism gear ring 51, power transmission shaft 52;
2. two gears: the second arrangement of clutch C2 engages, and the first arrangement of clutch C1 and the 3rd arrangement of clutch C3 are in released state. The power of engine E passes to output shaft 30 through engine power shaft 10, two gear driving gears 11, two gear driven gears 32 and the second arrangement of clutch C2, then passes to wheel through main deceleration driving gear 34 and differential mechanism gear ring 51, power transmission shaft 52;
3. three gears: the 3rd arrangement of clutch C3 engages, and the first arrangement of clutch C1 and the second arrangement of clutch C2 are in released state. The power of engine E passes to output shaft 30 through engine power shaft 10, three gear driving gears 12, three gear driven gears 33 and the 3rd arrangement of clutch C3, then passes to wheel through main deceleration driving gear 34 and differential mechanism gear ring 51, power transmission shaft 52.
Embodiment tetra-, with reference to accompanying drawing 4.
The connected mode of foundation structure is identical with the connected mode in embodiment bis-provided by the invention; Except foundation structure, the first arrangement of clutch C1, the second arrangement of clutch C2 and the 3rd arrangement of clutch C3 are connected on output shaft 30 by spline.
The power path of the each gear of this speed changer is as follows:
1. a gear: the first arrangement of clutch C1 engages, and the second arrangement of clutch C2, the 3rd arrangement of clutch C3 are in released state. The power of motor M passes to output shaft 30 through motor power shaft 20, a gear driving gear 21, a gear driven gear 31 and the first arrangement of clutch C1, then passes to wheel through main deceleration driving gear 34 and differential mechanism gear ring 51, power transmission shaft 52;
2. the power path of the power path of two gears and three gears and two gears of embodiment tri-provided by the invention, three gears is identical.
The present invention is on the mixed moving speed changer of the three gears basis providing, a kind of three gear hybrid driving methods of hybrid vehicle are also proposed, according to the different operating modes of automobile, the different gear work of described speed changer, can realize the combination drive of engine E and motor M, specific as follows:
Two gears and three of the mixed moving speed changer of three gear provided by the invention keep off and are respectively used to automobile low rate start, power-assisted, walk lamely and run at high speed, and between two gears in shift process motor M can carry out power compensation; In described speed changer, respective motor M gear is used for vehicle starting, climbing and normally travels;
In the time that automobile runs at a low speed, mainly driven by motor M, engine E is mainly used in power-assisted; When galloping, mainly driven by engine E, motor M is for power-assisted; In the time of automobile climb very steep slopes or anxious acceleration, driven by engine E and motor M simultaneously; At braking automobile or while unclamping throttle, can carry out energy recovery; The process of changing to three gears at speed changer two gears, motor M can carry out power compensation to automobile; In the time that automobile needs parking, described speed changer can be realized parking function.
1. motor M drives separately automobile: when only gear when work of described speed changer, the motor M source that is used as power, can realize motor M and drive separately automobile. The power of motor M passes to output shaft 30, then passes to wheel through main deceleration driving gear 34, differential mechanism gear ring 51, power transmission shaft 52 through motor power shaft 20, a gear driving gear 21, a gear driven gear 31;
2. engine E drives separately automobile: when only two gears or three gears when work of described speed changer, the engine E source that is used as power, can realize engine E and drive separately automobile. The power of engine E keeps off driving gear 12 through engine power shaft 10, two gear driving gear 11(tri-), two gear driven gear 32(tri-keep off driven gear 33) pass to output shaft 30, then pass to wheel through main deceleration driving gear 34, differential mechanism gear ring 51, power transmission shaft 52;
3. engine E and motor M drive automobile jointly: when a gear and two gears of described speed changer work simultaneously or a gear with three gears while working simultaneously, engine E and the motor M source that is used as power, can realize engine E and motor M drives automobile jointly. The power of engine E keeps off driving gear 12 through engine power shaft 10, two gear driving gear 11(tri-), two gear driven gear 32(tri-keep off driven gear 33) pass to output shaft 30, the power of motor M passes to output shaft 30 through motor power shaft 20, a gear driving gear 21, a gear driven gear 31, after two strands of power are coupled on output shaft 30, then pass to wheel through main deceleration driving gear 34, differential mechanism gear ring 51, power transmission shaft 52;
4. energy reclaims: when braking automobile or while unclamping throttle, and described speed changer one gear work, motor M is operated in power generation mode, can realize energy and reclaim. Automobile travels under inertia, wheel drives output shaft 30 to rotate by power transmission shaft 52, differential mechanism gear ring 51, main deceleration driving gear 34, then drive a gear driven gear 31, a gear driving gear 21, motor power shaft 20 to rotate, by motor M, mechanical energy is converted to power storage in battery, realize energy recovery, reduced complete-vehicle oil consumption;
5. power compensation: in the time that engine E drives automobile separately, two gears of described speed changer are changed in three gear processes, and this speed changer can be realized the power compensation of shift process. The power of changing to engine E in three gear processes at two gears of speed changer will interrupt, for avoiding producing pause and transition in rhythm or melody sense, and a now gear job of speed changer, the motor M source that is used as power, is automobile compensation power, has improved the driver comfort of car load. The power of motor M passes to output shaft 30, then passes to wheel through main deceleration driving gear 34, differential mechanism gear ring 51, power transmission shaft 52 through motor power shaft 20, a gear driving gear 21, a gear driven gear 31;
6. parking function: the ratchet 41 in described speed changer engages with parking gear 35, by fixing output shaft 30, can realize parking function.
When the present invention one gear is worked with two gears simultaneously or when a gear is worked with three gears simultaneously, can realize engine E and motor M drives automobile jointly. The former power transmission line is: the power of engine E passes to output shaft 30 through engine power shaft 10, two gear driving gears 11, two gear driven gears 32, the power of motor M passes through main deceleration driving gear 34, differential mechanism gear ring 51, power transmission shaft 52 after passing to 30, two strands of power couplings of output shaft through motor power shaft 20, a gear driving gear 21, a gear driven gear 31; The latter's power transmission line is: the power of engine E passes to output shaft 30 through engine power shaft 10, three gear driving gears 12, three gear driven gears 33, the power of motor M passes through main deceleration driving gear 34, differential mechanism gear ring 51, power transmission shaft 52 after passing to 30, two strands of power couplings of output shaft through motor power shaft 20, a gear driving gear 21, a gear driven gear 31.
Claims (10)
1. the mixed moving speed changer of Hybrid Vehicle three gear, it mainly comprises: be arranged in parallel in engine power shaft (10), motor power shaft (20) and output shaft (30) in speed changer; Be placed in the gear driving gear of two on engine power shaft (10) (11) and three gear driving gears (12); Be placed in the gear driving gear of one on motor power shaft (20) (21); Be placed in the gear driven gear of one on output shaft (30) (31), two gear driven gears (32), three gear driven gears (33), main deceleration driving gear (34) and parking gear (35); Be arranged on the differential mechanism (50) in case of transmission, be connected to the differential mechanism gear ring (51) on differential mechanism (50); Be arranged on the ratchet (41) on case of transmission.
2. the mixed moving speed changer of a kind of Hybrid Vehicle three gear according to claim 1, is characterized in that:
1. the two ends of differential mechanism connect wheel by power transmission shaft (52) respectively; One gear driving gear (21) often engages with a gear driven gear (31), two gear driving gears (11) often engage with two gear driven gears (32), three gear driving gears (12) often engage with three gear driven gears (33), and main deceleration driving gear (34) often engages with differential mechanism gear ring (51); Engine power shaft (10) is connected with engine (E), and motor power shaft (20) is connected with motor (M); Ratchet (41) can be realized with parking gear (35) engagement or separate;
2. described speed changer is provided with three gears, and the power transmission line of corresponding engine (E) is provided with two gears, is respectively two gears and three gears, and respective motor (M) power transmission line is provided with a gear, is a gear.
3. the mixed moving speed changer of a kind of Hybrid Vehicle three gear according to claim 1 and 2, is characterized in that described speed changer has four kinds of implementations:
The first, comprises the synchronized (S1) being connected on motor power shaft (20) and is connected in No. two synchronizeds (S2) on output shaft (30);
The mixed moving speed changer of three gears of this implementation is realized gearshift by No. two synchronizeds (S2) that are connected in the synchronized (S1) on motor power shaft (20) and be connected on output shaft (30);
The second, comprises the synchronized (S1) and No. two synchronizeds (S2) that are connected on output shaft (30);
The mixed moving speed changer of three gears of this implementation is realized gearshift by the synchronized (S1), No. two synchronizeds (S2) that are connected on output shaft (30);
The third, comprise the first arrangement of clutch (C1) being connected on motor power shaft (20), for controlling being connected and disconnection of a gear driving gear (21) and motor power shaft (20); Be connected in the second arrangement of clutch (C2) and the 3rd arrangement of clutch (C3) on output shaft (30), be respectively used to control two gear driven gears (32) and output shaft (30) be connected and disconnection, three gear driven gears (33) are connected and disconnection with output shaft (30);
The mixed moving speed changer of three gears of this implementation is realized gearshift by the second arrangement of clutch (C2), the 3rd arrangement of clutch (C3) that are connected in the first arrangement of clutch (C1) on motor power shaft (20) and be connected on output shaft (30);
The 4th kind, comprise the first arrangement of clutch (C1), the second arrangement of clutch (C2) and the 3rd arrangement of clutch (C3) that are connected on output shaft (30), be respectively used to control a gear driven gear (31) and output shaft (30) be connected and disconnection, two gear driven gears (32) and output shaft (30) be connected and disconnection, three keeps off being connected and disconnection of driven gears (33) and output shaft (30);
The mixed moving speed changer of three gears of this implementation is realized gearshift by the first arrangement of clutch (C1), the second arrangement of clutch (C2), the 3rd arrangement of clutch (C3) that are connected on output shaft (30).
4. three of hybrid vehicle gear hybrid driving methods, is characterized in that:
1. two gears that claim 1 limits the mixed moving speed changer of three gears are for automobile low rate start, power-assisted, limping, and three gears are used for running at high speed, and between two gears in shift process motor (M) can carry out power compensation; A gear of respective motor in described speed changer (M) is used for vehicle starting, climbing and normally travels;
2. in the time that automobile runs at a low speed, mainly driven separately by motor (M), engine (E) is mainly used in power-assisted; When galloping, mainly driven separately by engine (E), motor (M) is for power-assisted; In the time of automobile climb very steep slopes or anxious acceleration, driven by engine (E) and motor (M) simultaneously; At braking automobile or while unclamping throttle, can carry out energy recovery; The process of changing to three gears at speed changer two gears, motor (M) can carry out power compensation to automobile; In the time that automobile needs parking, described speed changer can be realized parking function.
5. three of a kind of hybrid vehicle according to claim 4 gear hybrid driving methods, is characterized in that: a gear is realized motor (M) and driven separately automobile;
Its power transmission line is: the power of motor (M) passes to output shaft (30), then passes through main deceleration driving gear (34), differential mechanism gear ring (51), power transmission shaft (52) through motor power shaft (20), a gear driving gear (21), a gear driven gear (31).
6. three of a kind of hybrid vehicle according to claim 4 gear hybrid driving methods, is characterized in that: two gears, three gears all can be realized engine (E) and drive separately automobile;
The power transmission line of two gears is: the power of engine (E) passes to output shaft (30), then passes through main deceleration driving gear (34), differential mechanism gear ring (51), power transmission shaft (52) through engine power shaft (10), two gear driving gears (11), two gear driven gear (32); The power transmission line of three gears is: the power of engine (E) passes to output shaft (30), then passes through main deceleration driving gear (34), differential mechanism gear ring (51), power transmission shaft (52) through engine power shaft (10), three gear driving gears (12), three gear driven gear (33).
7. three of a kind of hybrid vehicle according to claim 4 gear hybrid driving methods, is characterized in that: when a gear is worked with two gears or when a gear is worked with three gears simultaneously simultaneously, can realize engine (E) and jointly drive automobile with motor (M);
The former power transmission line is: the power of engine (E) passes to output shaft (30) through engine power shaft (10), two gear driving gears (11), two gear driven gears (32), the power of motor (M) passes to output shaft (30) through motor power shaft (20), a gear driving gear (21), a gear driven gear (31), after two strands of power couplings, passes through main deceleration driving gear (34), differential mechanism gear ring (51), power transmission shaft (52); The latter's power transmission line is: the power of engine (E) passes to output shaft (30) through engine power shaft (10), three gear driving gears (12), three gear driven gears (33), the power of motor (M) passes to output shaft (30) through motor power shaft (20), a gear driving gear (21), a gear driven gear (31), after two strands of power couplings, passes through main deceleration driving gear (34), differential mechanism gear ring (51), power transmission shaft (52).
8. three of a kind of hybrid vehicle according to claim 4 gear hybrid driving methods, is characterized in that: in the time that hybrid vehicle brakes or unclamps throttle, motor (M) is operated in power generation mode, can realize energy and reclaim; Automobile travels under inertia, wheel drives power transmission shaft (52), differential mechanism gear ring (51), main deceleration driving gear (34), output shaft (30) to rotate, a now gear job of speed changer, output shaft (30) drives a gear driven pulley (31), a gear driving wheel (21), motor power shaft (20) to rotate, convert mechanical energy to power storage in battery by motor (M), realize energy and reclaim.
9. three of a kind of hybrid vehicle according to claim 4 gear hybrid driving methods, is characterized in that: in the time that engine (E) drives automobile separately, two gears of speed changer are changed in three gear processes, and this speed changer can be realized the power compensation of shift process;
The power of changing to engine (E) in three gear processes at two gears of speed changer will interrupt, a now gear job of speed changer, and motor (M) source that is used as power, is automobile compensation power;
The power of motor (M) passes to output shaft (30), then passes to wheel through main deceleration driving gear (34), differential mechanism gear ring (51), power transmission shaft (52) through motor power shaft (20), a gear driving gear (21), a gear driven gear (31).
10. three of a kind of hybrid vehicle according to claim 4 gear hybrid driving methods, it is characterized in that: in the time that automobile needs parking, ratchet (41) in speed changer engages with parking gear (35), and output shaft (30) is fixing, can realize parking function.
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