CN113954620A - Hybrid power transmission device - Google Patents
Hybrid power transmission device Download PDFInfo
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- CN113954620A CN113954620A CN202111279091.3A CN202111279091A CN113954620A CN 113954620 A CN113954620 A CN 113954620A CN 202111279091 A CN202111279091 A CN 202111279091A CN 113954620 A CN113954620 A CN 113954620A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 35
- 230000009467 reduction Effects 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- B60K6/22—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 apparatus, components or means specially adapted for HEVs
- B60K6/36—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 apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
- B60K6/365—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 apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
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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
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a hybrid power transmission device, wherein a planet row comprises a gear ring, a planet gear, a planet carrier and a sun gear, the planet carrier is fixedly connected with an input gear, the input shaft is fixedly connected with the gear ring of the planet row, the planet gear is arranged on the planet carrier, the planet carrier is rotatably arranged on a generator shaft, the generator shaft is fixedly connected with the sun gear and a generator, a middle shaft pinion and an output gear are fixedly connected on a middle shaft, a driving motor output gear and a driving motor output shaft pinion are fixedly connected on a driving motor output shaft, a differential mechanism is fixedly connected with a main reduction gear, and the engine is fixedly connected with the input shaft; the planet gear is meshed with the sun gear and the gear ring simultaneously; the input gear is meshed with the output gear, and the main reduction gear is simultaneously meshed with the intermediate shaft pinion and the drive motor output shaft pinion; the output gear of the driving motor is meshed with the gear of the driving motor. The invention has the advantages of less gears, large transmission ratio distribution range and strong bearing capacity.
Description
Technical Field
The invention relates to power transmission of a new energy automobile, in particular to a hybrid power transmission device.
Background
With the increasing shortage of petroleum supply and the increasing increase of environmental pollution, the development and utilization of new energy vehicles have gradually become a trend. The hybrid electric vehicle in the new energy vehicle can be driven by the engine or the motor or the engine motor simultaneously, and has multiple modes, so that the hybrid electric vehicle has good fuel economy and low emission. The technical problems to be solved by technical personnel in the field are that how to arrange the motor, how to effectively use the planet row to adjust the transmission ratio, the power loss is small, the power loss is reduced, the fuel economy is good, and the like.
Disclosure of Invention
The invention provides a hybrid power transmission device with few gears, large transmission ratio distribution range and strong bearing capacity.
The technical scheme for realizing the purpose is as follows:
the hybrid power transmission device comprises an input shaft, a planet row, a generator shaft, an intermediate shaft, a differential mechanism, a driving motor output shaft, a motor shaft, a driving motor, an input gear, an intermediate shaft pinion, an output gear, a driving motor output shaft pinion, a main reduction gear and an engine;
the planetary gear train comprises a gear ring, a planetary gear, a planet carrier and a sun gear, wherein the planet carrier is fixedly connected with an input gear, the input shaft is fixedly connected with the gear ring of the planetary gear train, the planetary gear is arranged on the planet carrier, the planet carrier is rotatably arranged on a generator shaft, the generator shaft is fixedly connected with the sun gear and a generator, the intermediate shaft is fixedly connected with an intermediate shaft pinion and an output gear, the output shaft of the driving motor is fixedly connected with an output gear of the driving motor and a pinion of the output shaft of the driving motor, the driving shaft is respectively fixedly connected with the driving motor gear and the driving motor, the differential is fixedly connected with a main reduction gear, and the engine is fixedly connected with the input shaft;
the planetary gear is meshed with the sun gear and the gear ring simultaneously; the input gear is meshed with the output gear, and the main reduction gear is simultaneously meshed with the intermediate shaft pinion and the drive motor output shaft pinion; the output gear of the driving motor is meshed with the gear of the driving motor.
The present invention includes the following advantageous effects;
1. the hybrid power gear transmission device consists of an input shaft, a gear ring, a planetary gear, a planet carrier, a sun gear, a generator shaft, an intermediate shaft, a differential mechanism, a driving motor output shaft, a motor shaft, a driving motor, an input gear, an intermediate shaft pinion, an output gear, a driving motor output shaft pinion and a main reduction gear. Therefore, the invention has the advantages of less gears and strong bearing capacity.
2. The motor speed selection program is adopted, the transmission ratio of a planet row consisting of a gear ring, a planet carrier, a planet gear and a sun gear is adjusted and controlled according to the rotating speed of the engine, the transmission ratio of stepless speed change can be provided within a certain range, meanwhile, the power generation motor works in a high-efficiency interval, and the charging or driving power effect can be realized.
3. The invention has the advantages of single motor driving mode, hybrid driving mode, parking charging mode and energy recovery mode, can match the rotating speed of the engine and the generator according to the requirement under various working conditions, realizes the continuous change of the transmission ratio in a certain range, realizes the stepless speed change, has the characteristics of large transmission ratio distribution range and small power loss, and simultaneously reduces the power loss and ensures the good fuel economy.
Drawings
FIG. 1 is a schematic illustration of a hybrid transmission of the prior art;
FIG. 2 is a flow chart of the speed selection of the generator of the present invention;
reference numbers in the drawings:
the planetary gear type planetary gear set comprises an input shaft 1, a gear ring 2, a planetary gear 3, a planet carrier 4, a generator 5, a generator shaft 6, a sun gear 7, an input gear 8, a middle shaft pinion 10, a middle shaft 11, an output gear 12, a differential 13, a driving motor output shaft pinion 14, a driving motor output shaft 15, a driving motor output gear 16, a driving motor gear 17, a motor shaft 18, a driving motor 19, a main reduction gear 20 and an engine 21.
Detailed Description
The present invention will be described with reference to fig. 1 to 2.
The hybrid power transmission device comprises an input shaft 1, a planet row, a generator 5, a generator shaft 6, an intermediate shaft 11, a differential 13, a driving motor output shaft 15, a motor shaft 18, a driving motor 19, an input gear 8, an intermediate shaft pinion 10, an output gear 12, a driving motor gear 17, a driving motor output gear 16, a driving motor output shaft pinion 14, a main reduction gear 20 and an engine 21.
The planetary gear train comprises a gear ring 2, a planetary gear 3, a planet carrier 4 and a sun gear 7, wherein an input gear 8 is fixedly connected to the planet carrier 4, the gear ring 2 of the planetary gear train is fixedly connected to an input shaft 1, the planetary gear 3 is arranged on the planet carrier 4, the planet carrier 4 is rotatably configured on a generator shaft 6, the sun gear 7 and a generator 5 are fixedly connected to the generator shaft 6, a middle shaft pinion 10 and an output gear 12 are fixedly connected to a middle shaft 11, a driving motor output gear 16 and a driving motor output shaft pinion 14 are fixedly connected to a driving motor output shaft 15, a driving shaft 18 is fixedly connected with a driving motor gear 17 and a driving motor 19 respectively, a main reduction gear 20 is fixedly connected to a differential 13, and the engine 21 is fixedly connected with the input shaft 1.
The planet gear 3 is meshed with the sun gear 7 and the gear ring 2 simultaneously; the input gear 8 is meshed with the output gear 12, and the main reduction gear 20 is simultaneously meshed with the intermediate shaft pinion 10 and the drive motor output shaft pinion 14; the drive motor output gear 16 meshes with the drive motor gear 17.
The input shaft 1 and the gear ring 2 are made into a whole; the intermediate shaft pinion 10 is integrated with the intermediate shaft 11; the pinion 14 of the output shaft of the driving motor is integrated with the output shaft 15 of the driving motor; the driving motor gear 17 and the motor shaft 18 are made into a whole or are fixedly connected after being formed separately.
The hybrid transmission device having the above configuration will be described below in terms of its power transmission mode and power flows in the respective power transmission modes:
the power transmission mode comprises the following steps:
in the electric driving mode, the engine 21 does not participate in the work, and the high-voltage battery pack is completely relied on to provide high-voltage electricity for the driving motor 19 in the transmission to drive the vehicle. The driving power of the vehicle is equal to the driving power of the driving motor 19.
In the hybrid driving mode 1, the engine 21 is driven, the generator 5 provides a reasonable rotation speed for generating electricity, the generator 5 generates electricity, and the engine 21 drives the power-generator 5 to generate power.
In the hybrid driving mode 2, the engine 21 is driven, the generator 5 provides a reasonable rotation speed for driving, the generator 5 is driven, and the driving vehicle power is equal to the driving power of the engine 21 plus the driving power of the generator 5.
In the hybrid drive mode 3, the engine 21 is driven, the generator 5 generates electric power, the drive motor 19 is driven, and the power source of the drive motor 19 drives the vehicle using the electric power generated by the generator 5. The driving vehicle power is the power generated by the engine 21 driving the power generator 5 + the driving motor 19 driving power.
In the hybrid drive mode 4, the engine 21 is driven, the generator 5 is driven, the drive motor 19 is driven, and the power supply of the generator 5 and the power supply of the drive motor 19 drive the vehicle using the electric power generated by the generator 5 and the electric power of the high-voltage battery pack. The engine 21 is operated, the generator 5 is operated, and the driving motor 19 is operated. Driving the vehicle is the engine 21 driving power + the generator 5 driving power + the driving motor 19 driving power.
And in a parking charging working mode, when the whole vehicle is static, the engine 21 is driven, the generator 5 is provided with power by the total energy of the engine 21, and the generator 5 charges the high-voltage battery pack. The engine 21 is operated and the generator 5 is operated.
The energy recovery mode is a mode in which kinetic energy generated during the running of the vehicle is converted into electric energy by the driving motor 19 and stored when the vehicle needs to be decelerated, and is referred to as a regenerative braking operation mode. In the regenerative braking operation mode, the engine 21 idles, the generator 5 does not participate in the operation, and the drive motor 19 participates in the operation.
(II) Power flow of each Power Transmission mode
(a) And motor driving power:
the electric control unit of the driving motor controls the input rotating speed and the torque of the driving motor 19, and pure electric power transmission is realized.
The power of the driving motor 19 is transmitted to a driving motor output gear 16 connected to a driving motor output shaft 15 through a driving motor gear 17 fixed on a motor shaft 18, and the power is transmitted to the differential 13 through a main reduction gear 20 engaged with a driving motor output shaft pinion 14 on the driving motor output shaft 15, and finally, the power transmission of the motor drive is realized.
(b) Hybrid drive mode 1, hybrid drive mode 2:
the power output by the engine 21 is transmitted to the ring gear 2 of the planet row, the ring gear 2 transmits the power to the planet gear 3, the generator 5 rotates the sun gear 7 fixed on the generator shaft 6, the rotating speed of the sun gear 7 is controlled to match the rotating speed of the ring gear 2, the planet gear 3 provides the required power for the planet carrier 4 which is sleeved on the planet gear 3 in an empty way under the rotating speed conditions of the ring gear 2 and the sun gear 7, the power is transmitted to the output gear 12 fixed on the intermediate shaft 11 through the input gear 8 fixed on the planet carrier 4, the power is transmitted to the differential mechanism 13 through the main speed reducing gear 20 meshed with the intermediate shaft pinion 10 on the intermediate shaft 11, and finally the power transmission driven by the engine is realized.
The ring gear 2 of the planetary row acts as an engine power input, and given the speed of the sun gear 7, the sun gear 7 and the planet carrier (4) distribute different torques.
(c) Hybrid drive mode 3, hybrid drive mode 4:
the power output by the engine 21 is transmitted to the ring gear 2 of the planet row, the ring gear 2 transmits the power to the planet gear 3, the generator 5 rotates the sun gear 7 fixed on the generator shaft 6, the rotating speed of the sun gear 7 is controlled to match the rotating speed of the ring gear 2, the planet gear 3 provides the required power for the planet carrier 4 which is sleeved on the planet gear 3 in an empty way under the rotating speed conditions of the ring gear 2 and the sun gear 7, the power is transmitted to the output gear 12 fixed on the intermediate shaft 11 through the input gear 8 fixed on the planet carrier 4, the power is transmitted to the differential mechanism 13 through the main speed reducing gear 20 meshed with the intermediate shaft pinion 10 on the intermediate shaft 11, and finally the power transmission driven by the engine is realized.
The power of the driving motor 19 is transmitted to a driving motor output gear 16 connected to a driving motor output shaft 15 through a driving motor gear 17 fixed on a motor shaft 18, and the power is transmitted to the differential 13 through a main reduction gear 20 engaged with a driving motor output shaft pinion 14 on the driving motor output shaft 15, and finally, the power transmission of the motor drive is realized.
(d) And a parking charging mode:
the engine 21 participates in power generation, and the generator 21 charges the high-voltage battery pack. The engine 21 is operated and the generator 5 is operated. The planet carrier 4 which is sleeved on the planet gear 3 in an empty mode is static, the engine 21 provides power to be transmitted to the gear ring 2 of the planet row, the gear ring 2 transmits the power to the planet gear 3, the planet gear 3 transmits the power to the sun gear 7 under the rotating speed condition of the gear ring 2 and the planet carrier 4, and the power is transmitted to the generator 5 through the generator shaft 6 fixedly connected with the sun gear 7, so that parking charging is achieved.
(e) And an energy recovery mode:
the kinetic energy of the vehicle is transmitted to the differential 13 through the wheels, the power is transmitted to the drive motor output shaft pinion 14 on the drive motor output shaft 15 through the final gear 20 fixed to the differential 13, and the power is transmitted to the drive motor gear 17 fixed to the motor shaft 18 through the drive motor output gear 16 fixed to the drive motor output shaft 15.
The transition of the hybrid drive mode 1, the hybrid drive mode 2, or the hybrid drive mode 3 and the hybrid drive mode 4 requires the rotational speed of the sun gear 7 to be controlled to match the rotational speed of the ring gear 2.
(III) speed matching of the sun gear 7 and the ring gear 2
The specific process of matching the rotational speed of the ring gear 2 by controlling the rotational speed of the sun gear 7 is as follows: the method comprises the steps of determining the rotating speed range of a sun gear 7 according to the input rotating speed condition of a gear ring 2, determining the rotating speed range of the sun gear 7 under various input rotating speed conditions of the gear ring 2, enabling the rotating direction of a planet carrier 4 to be consistent with or opposite to the requirement of wheels, namely determining the rotating speed boundary of the sun gear 7, if the rotating speed of the planet carrier 4 is consistent with the rotating speed of the gear ring 2, driving or reversely dragging the power of an engine 21 and the power of a generator 5 at the same time, and if the rotating speed of the planet carrier 4 is inconsistent with the rotating speed of the gear ring 2, driving one of the power of the engine 21 and the power of the generator 5, and reversely dragging the other one of the power of the engine 21 and the power of the generator 5. The stepless speed regulation in a certain range can realize the function of charging or driving power.
Suppose n is2<0 is the driving direction of the engine 21.
When n is2<0, sun gear n7＞-Z2/Z7·n2Then n is4>0, the engine 21 and the generator 5 can realize reverse driving power.
When n is2<0, sun gear n7＜-Z2/Z7·n2Then n is4<0, forward driving power is realized, and n is followed7Further reduction, reduction of the transmission ratio of the planetary row, constant torque output of the engine and constant rotating speed n4And is increased.
According to the charging or driving requirement target, the rotating speed of the generator 5 is adjusted to adapt to different input rotating speeds of the gear ring 2.
Finally, it should be noted that: the above embodiments are only preferred embodiments of the present invention to illustrate the technical solutions of the present invention, but not to limit the technical solutions, and the patent scope of the present invention is not limited; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. Hybrid transmission, including input shaft (1), the planet row, generator (5), generator shaft (6), jackshaft (11), differential mechanism (13), driving motor output shaft (15), motor shaft (18), driving motor (19), input gear (8), jackshaft pinion (10), output gear (12), driving motor gear (17), driving motor output gear (16), driving motor output shaft pinion (14), final drive gear (20), engine (21), its characterized in that:
the planet row comprises a gear ring (2), a planet gear (3), a planet carrier (4) and a sun gear (7), an input gear (8) is fixedly connected onto the planet carrier (4), the gear ring (2) of the planet row is fixedly connected onto an input shaft (1), the planet gear (3) is arranged on the planet carrier (4), the planet carrier (4) is rotatably configured on a generator shaft (6), the sun gear (7) and a generator (5) are fixedly connected onto the generator shaft (6), a middle shaft pinion (10) and an output gear (12) are fixedly connected onto a middle shaft (11), a driving motor output gear (16) and a driving motor output shaft pinion (14) are fixedly connected onto a driving motor output shaft (15), a driving shaft (18) is fixedly connected with a driving motor gear (17) and a driving motor (19) respectively, and a main reduction gear (20) is fixedly connected onto a differential (13), the engine (21) is fixedly connected with the input shaft (1);
the planetary gear (3) is meshed with the sun gear (7) and the gear ring (2) simultaneously; the input gear (8) is meshed with the output gear (12), and the main reduction gear (20), the intermediate shaft pinion (10) and the driving motor output shaft pinion (14) are simultaneously meshed; the driving motor output gear (16) is meshed with the driving motor gear (17).
2. Hybrid drive according to claim 1, characterised in that the power output by the engine (21) is transmitted to the ring gear (2) of the planetary row, the ring gear (2) transmitting power to the planet gears (3), while the generator (5) rotates the sun gear (7) fixed to the generator shaft (6), the rotational speed of the ring gear (2) being adapted by controlling the rotational speed of the sun gear (7), the planet gears (3) providing the required power to the planet gears (3) arranged on the planet carrier (4) at the rotational speed of the ring gear (2) and the sun gear (7), the power being transmitted to the output gear (12) fixed to the intermediate shaft (11) via the input gear (8) fixed to the planet carrier (4), the power being transmitted to the differential (13) via the main reduction gear (20) meshing with the intermediate shaft pinions (10) on the intermediate shaft (11), finally, the power transmission driven by the engine is realized.
3. A hybrid transmission according to claim 2, characterised in that the ring gear (2) of the planetary row is used as the engine power input, the generator (5) gives the speed of the sun gear (7), the sun gear (7) and the planet carrier (4) distribute different torques in such a way that the driving vehicle power is:
the driving vehicle power is that the engine (21) drives the power-generator (5) to generate power; or
The driving vehicle power is equal to the driving power of the engine (21) and the power generated by the generator (5).
4. A hybrid transmission according to claim 2, characterized in that the power of the drive motor (19) is transmitted to the drive motor output gear (16) connected to the drive motor output shaft (15) via a drive motor gear (17) fixed to the motor shaft (18), and the power is transmitted to the differential (13) via a final drive gear (20) engaging with a drive motor output shaft pinion (14) on the drive motor output shaft (15) in such a manner that the drive vehicle power is:
the driving vehicle power is that the engine (21) drives the power-generator (5) to generate power + the driving motor (19) drives the power;
the driving vehicle power is the driving power of the engine (21), the driving power of the generator (5) and the driving power of the driving motor (19).
5. Hybrid transmission according to any one of claims 2 to 4, characterised in that the specific process of matching the rotational speed of the ring gear (2) by controlling the rotational speed of the sun gear (7) is: according to the input rotating speed condition of the gear ring (2), the rotating speed range of the sun gear (7) is determined, the rotating direction of the planet carrier (4) is enabled to be consistent with or opposite to the wheel requirement, namely the rotating speed boundary of the sun gear (7) is determined, if the rotating speed of the planet carrier (4) is consistent with the rotating speed of the gear ring (2), the power of the engine (21) and the power of the generator (5) are simultaneously driven or reversely dragged, and if the rotating speed of the planet carrier (4) is inconsistent with the rotating speed of the gear ring (2), one of the power of the engine (21) and the power of the generator (5) is driven, and the other is reversely dragged.
6. Hybrid transmission according to claim 1, characterised in that said input shaft (1) is made in one piece with a ring gear (2); the intermediate shaft pinion (10) and the intermediate shaft (11) are made into a whole; the pinion (14) of the output shaft of the driving motor and the output shaft (15) of the driving motor are integrated; the driving motor gear (17) and the motor shaft (18) are manufactured into a whole or are fixedly connected after being separately molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111279091.3A CN113954620A (en) | 2021-10-31 | 2021-10-31 | Hybrid power transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111279091.3A CN113954620A (en) | 2021-10-31 | 2021-10-31 | Hybrid power transmission device |
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| Publication Number | Publication Date |
|---|---|
| CN113954620A true CN113954620A (en) | 2022-01-21 |
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| CN202111279091.3A Pending CN113954620A (en) | 2021-10-31 | 2021-10-31 | Hybrid power transmission device |
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| JP2019081485A (en) * | 2017-10-31 | 2019-05-30 | ダイハツ工業株式会社 | Hybrid system |
| CN209320674U (en) * | 2018-12-28 | 2019-08-30 | 广州汽车集团股份有限公司 | Hybrid power coupled system and vehicle |
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2021
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