CN110578772A - Special gearbox for hybrid power - Google Patents
Special gearbox for hybrid power Download PDFInfo
- Publication number
- CN110578772A CN110578772A CN201910917752.7A CN201910917752A CN110578772A CN 110578772 A CN110578772 A CN 110578772A CN 201910917752 A CN201910917752 A CN 201910917752A CN 110578772 A CN110578772 A CN 110578772A
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- gear
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- driven
- power
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- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 230000009977 dual effect Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/037—Gearboxes for accommodating differential gearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02034—Gearboxes combined or connected with electric machines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0034—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The invention discloses a special gearbox for hybrid power, which comprises an engine, a generator, a driving motor, an input assembly, an output assembly and an output driving gear, wherein the input assembly comprises a first-gear input shaft, a driving shaft, a second-gear input shaft, a driven shaft, a driving gear, a first driving gear, a second driving gear, a third driving gear and a first driven gear, the output assembly comprises an output shaft, a second driven gear, a third driven gear and a power joint device selectively combined with the second driven gear or the third driven gear, the second driven gear is meshed with the second driving gear, the third driven gear is meshed with the third driving gear, and the output driving gear is arranged on the output shaft. The special hybrid power gearbox can realize two driving gears and multiple running modes by combining the clutch with the motor, the generator and the engine, so as to improve the dynamic property and the economical efficiency of the whole vehicle to the maximum extent.
Description
Technical Field
the invention belongs to the technical field of gearboxes, and particularly relates to a gearbox special for hybrid power.
Background
the special gearbox for the hybrid power integrates the motor, the generator and the engine, improves the acceleration and climbing performance of the vehicle by utilizing the characteristics of large starting torque, wide rotating speed range and high comprehensive efficiency of the motor, and reduces the energy consumption of the vehicle. The generator enables the engine to operate at a stable maximum efficiency operating point to provide high voltage electricity for the motor, thereby further reducing fuel consumption of the vehicle.
The existing special hybrid power gearbox has the following limitations due to only one gear:
1. the motor has a large torque requirement for meeting the low-speed power performance, and has a high rotating speed requirement for meeting the highest speed requirement;
2. The high input rotating speed causes high technical requirements on bearings, oil seals and the like;
3. The time of the engine intervening in the driving operation in the highest efficiency interval is less, so that the efficiency is not high, and the fuel economy of the vehicle cannot be improved to the maximum extent.
disclosure of Invention
the present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a special gearbox for hybrid power, and aims to improve the dynamic property and the economical efficiency of a whole vehicle.
In order to achieve the purpose, the invention adopts the technical scheme that: a special gearbox for hybrid power comprises an engine, a generator, a driving motor, an input assembly, an output assembly, a differential driven gear and an output driving gear meshed with the differential driven gear, wherein the input assembly comprises a first-gear input shaft connected with the driving motor, a driving shaft connected with the engine, a second-gear input shaft connected with the driving shaft through a first clutch, a driven shaft connected with the generator through a second clutch, a driving gear arranged on the first-gear input shaft, a first driving gear arranged on the driving shaft, a second driving gear and a third driving gear arranged on the second-gear input shaft and a first driven gear arranged on the driven shaft and meshed with the first driving gear, the output assembly comprises an output shaft, a second driven gear and a third driven gear which are rotatably arranged on the output shaft and are selectively combined with the second driven gear or combined with the third driven gear, and the output assembly comprises an output shaft And the second driven gear is meshed with the second driving gear, the third driven gear is meshed with the third driving gear, and the output driving gear is arranged on the output shaft.
The power engagement devices are synchronizers or dual clutches.
The second driving gear is located between the first clutch and the third driving gear, the diameter of the second driving gear is smaller than that of the second driven gear, and the diameter of the third driving gear is larger than that of the third driven gear.
The diameter of the second driven gear is larger than that of the driving gear.
The first-gear input shaft is sleeved on the driven shaft in an empty mode.
The driving gear is located between the driving motor and the first driven gear, and the diameter of the first driving gear is larger than that of the first driven gear.
When the vehicle runs in the pure electric driving mode, the first clutch and the second clutch are controlled to be separated, the power engaging device is controlled to be combined with the second driven gear or the third driven gear, and the driving motor outputs power to drive the vehicle to run.
When the automobile engine works in the range extending mode, the first clutch and the second clutch are controlled to be combined, the power engagement device is controlled to be combined with the second driven gear or the third driven gear, the driving motor outputs power to drive the automobile to run, and the engine drives the generator to generate power.
When the hybrid power-assisted vehicle works in a hybrid power-assisted mode, the first clutch is controlled to be combined, the second clutch is controlled to be separated, the power engagement device is controlled to be combined with the second driven gear or the third driven gear, and the engine and the driving motor output power to drive the vehicle to run.
When the engine works in a direct-drive mode, the first clutch is controlled to be combined, the second clutch is controlled to be separated, the power engaging device is controlled to be combined with the third driven gear, and the engine outputs power to drive the automobile to run.
The special hybrid power gearbox can realize two driving gears and multiple running modes by combining the clutch with the motor, the generator and the engine, so as to improve the dynamic property and the economical efficiency of the whole vehicle to the maximum extent.
Drawings
The description includes the following figures, the contents shown are respectively:
FIG. 1 is a schematic structural diagram of a hybrid transmission of the present invention;
Labeled as: 1. a generator; 2. a second clutch; 3. a drive motor; 4. a drive gear; 5. a first clutch; 6. a first driven gear; 7. a first drive gear; 8. a second driven gear; 9. an output drive gear; 10. a differential driven gear; 11. a second driving gear; 12. a third driving gear; 13. a third driven gear; 14. a power engagement device; 15. a differential assembly; 16. a drive shaft; 17. a first gear input shaft; 18. a driven shaft; 19. a second gear input shaft; 20. an engine.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention and to facilitate its implementation.
It should be noted that, in the following embodiments, the terms "first", "second" and "third" do not denote absolute differences in structure and/or function, nor do they denote a sequential order of execution, but rather are used for convenience of description.
As shown in figure 1, the invention provides a special hybrid transmission which comprises an engine, a generator 1, a driving motor 3, an input assembly, an output assembly, a differential driven gear 10 and an output driving gear 9 meshed with the differential driven gear 10, wherein the input assembly comprises a first-gear input shaft 17 connected with the driving motor 3, a driving shaft 16 connected with the engine, a second-gear input shaft 19 connected with the driving shaft 16 through a first clutch 5, a driven shaft 18 connected with the generator 1 through a second clutch 2, a driving gear 4 arranged on the first-gear input shaft 17, a first driving gear 7 arranged on the driving shaft 16, a second driving gear 11 and a third driving gear 12 arranged on the second-gear input shaft 19 and a first driven gear 6 arranged on the driven shaft 18 and meshed with the first driving gear 7, the output assembly comprises an output shaft, a second driving gear 9, a second driving gear, a third driving gear 12 and a second driven gear 6, The power transmission device comprises a second driven gear 8 and a third driven gear 13 which are rotatably arranged on an output shaft, and a power joint device 14 which is arranged on the output shaft and selectively combined with the second driven gear 8 or combined with the third driven gear 13, wherein the second driven gear 8 is meshed with a second driving gear 11, the third driven gear 13 is meshed with a third driving gear 12, an output driving gear 9 is arranged on the output shaft, and the power joint device 14 is used for realizing power transmission between the second driven gear 8 and the output shaft or power transmission between the third driven gear 13 and the output shaft.
specifically, as shown in fig. 1, the first-gear input shaft 17 is fitted over the driven shaft 18, the first-gear input shaft 17 and the driven shaft 18 are coaxially disposed, the first-gear input shaft 17 is fitted over the driven shaft 18 via a bearing, and a bearing is disposed between the first-gear input shaft 17 and the driven shaft 18. One end of the first-gear input shaft 17 is fixedly connected with the rotor of the driving motor 3, the driving gear 4 is arranged at the other end of the first-gear input shaft 17, and the driving gear 4 is coaxially and fixedly connected with the first-gear input shaft 17. The length of driven shaft 18 is greater than the length of first gear input shaft 17, the one end of driven shaft 18 and the driving disk fixed connection of second clutch 2, first driven gear 6 sets up the other end at driven shaft 18 and first driven gear 6 is coaxial fixed connection with driven shaft 18, the driven disk of second clutch 2 and the rotor fixed connection of generator 1, second clutch 2 is used for controlling combination and the separation of generator 1 and driven shaft 18, generator 1 is connected with the battery electricity, generator 1 is used for charging for the battery. The driving shaft 16 is parallel to the driven shaft 18, one end of the driving shaft 16 is fixedly connected with the power output end of the engine, the other end of the driving shaft 16 is fixedly connected with the driving disc of the second clutch 2, the first driving gear 7 is coaxially and fixedly connected with the driving shaft 16, the first driving gear 7 is meshed with the first driven gear 6, and the first clutch 5 is used for controlling the combination and the separation of the driving shaft 16 and the second-gear input shaft 19. The second-gear input shaft 19 and the driving shaft 16 are coaxially arranged, one end of the second-gear input shaft 19 is fixedly connected with a driven plate of the first clutch 5, the second driving gear 11 and the third driving gear 12 are coaxially and fixedly connected with the second-gear input shaft 19, and the second driving gear 11 is located between the first clutch 5 and the third driving gear 12. The output shaft is parallel to the second-gear input shaft 19, the second driven gear 8 and the third driven gear 13 are sleeved on the output shaft in an empty mode, the second driven gear 8 is sleeved on the output shaft in an empty mode through a bearing, a bearing is arranged between the second driven gear 8 and the output shaft, the third driven gear 13 is sleeved on the output shaft in an empty mode through a bearing, and a bearing is arranged between the third driven gear 13 and the output shaft. The output driving gear 9 is coaxially and fixedly connected with the output shaft, the output driving gear 9 is meshed with the differential driven gear 10, the diameter of the output driving gear 9 is smaller than that of the differential driven gear 10, the differential driven gear 10 is fixedly connected with the differential assembly 15, and the differential assembly 15 is used for outputting power of a gearbox to a half shaft of a vehicle, so that wheels are driven to rotate, and driving force for driving the vehicle to run is generated.
As shown in fig. 1, the diameter of the second driving gear 11 is smaller than that of the second driven gear 8, the diameter of the third driving gear 12 is larger than that of the third driven gear 13, the diameter of the second driven gear 8 is larger than that of the driving gear 4, the diameter of the second driving gear 11 is smaller than that of the third driving gear 12, the driving gear 4 is located between the driving motor 3 and the first driven gear 6, and the diameter of the first driving gear 7 is larger than that of the first driven gear 6.
as shown in fig. 1, the diameter of the second driven gear 8 is larger than that of the third driven gear 13, the second driven gear 8 is located between the output driving gear 9 and the third driven gear 13 in the axial direction of the output shaft, the power coupling device 14 is located between the second driven gear 8 and the third driven gear 13, the power coupling device 14 is fixedly connected with the output shaft, and the power coupling device 14 is a synchronizer or a double clutch. When the power engaging device 14 is combined with the second driven gear 8, power transmission between the second driven gear 8 and the output shaft is realized, when the second driven gear 8 rotates, the output shaft can be driven to synchronously rotate through the power engaging device 14, and at the moment, the gearbox works at a low-speed gear; when the power engaging device 14 is combined with the third driven gear 13, power transmission between the third driven gear 13 and the output shaft is realized, when the third driven gear 13 rotates, the output shaft can be driven to synchronously rotate through the power engaging device 14, and at the moment, the gearbox works at a high-speed gear. The low gear increases the torque of the output torque of the driving motor 3 through a large speed ratio, so that the power performance of the whole vehicle is improved, the power requirement of the driving motor 3 is reduced, and the overall dimension is reduced; the high gear reduces the highest rotating speed requirement on the driving motor 3 through a small speed ratio, and can enable the engine to operate in a high-efficiency range when the engine is in a direct-drive working condition. Therefore, by providing the power engaging device 14, the switching of the transmission between the low gear and the high gear can be realized, so that the power performance and the economical efficiency of the whole vehicle can be improved to the maximum extent.
the special gearbox for hybrid power with the structure has two gears, and has the following advantages through proper speed ratio matching:
(1) The requirements on the torque and the maximum rotating speed of the driving motor 3 are reduced, so that the power of the motor is reduced, and the external dimension is reduced;
(2) Under the high-speed working condition, the engine runs in a high-efficiency interval to directly drive the vehicle through a second gear;
The special gearbox of hybrid of above-mentioned structure has following multiple vehicle operation mode, promotes and drives impression and fuel economy:
(1) A pure electric drive mode;
(2) A range extending mode: the motor is driven, and the generator 1 is charged at the highest-efficiency working point;
(3) A hybrid power mode;
(4) A parking power generation mode;
(5) directly driving by an engine;
(6) And (5) recovering braking energy.
as shown in fig. 1, when the vehicle operates in the pure electric drive mode, the first clutch 5 and the second clutch 2 are controlled to be disengaged, the power engagement device 14 is controlled to be engaged with the second driven gear 8 or the third driven gear 13, and the driving motor 3 outputs power to drive the vehicle to run. Specifically, the engine and the generator 1 stop working, the first clutch 5 is controlled to be separated, the second clutch 2 is controlled to be separated, the power coupling device 14 is controlled to be combined with the second driven gear 8, power generated by the driving motor 3 is transmitted to the driving gear 4 through the first-gear input shaft 17, then is sequentially transmitted to the second driving gear 11, the second driven gear 8, the output shaft, the output driving gear 9 and the differential driven gear 10 to be transmitted to the differential assembly 15, and finally is transmitted to the wheels through the half shaft, so that the low-speed gear function in the mode is realized, and the pure-electric driving low-speed gear is realized. When a high-speed gear needs to be switched, the engine and the generator 1 stop working, the first clutch 5 is controlled to be separated, the second clutch 2 is controlled to be separated, the power engaging device 14 is controlled to be combined with the third driven gear 13, power generated by the driving motor 3 is transmitted to the driving gear 4 through the first-gear input shaft 17, then is sequentially transmitted to the second driving gear 11, the second-gear input shaft 19, the third driving gear 12, the third driven gear 13, the output shaft, the output driving gear 9 and the differential driven gear 10 to the differential assembly 15, and finally is transmitted to wheels through the half shaft, so that a high-speed gear function in the mode is realized, and a high-speed gear of pure electric driving is realized.
as shown in fig. 1, when operating in the range-extending mode, the first clutch 5 and the second clutch 2 are controlled to be engaged, the power engagement device 14 is controlled to be engaged with the second driven gear 8 or the third driven gear 13, the vehicle is driven to run by the power output from the driving motor 3, and the generator 1 is driven by the engine to generate power. Specifically, the engine works, the first clutch 5 is controlled to be combined, the second clutch 2 is controlled to be combined, the power coupling device 14 is controlled to be combined with the second driven gear 8, the power generated by the engine is transmitted to the generator 1 through the driving shaft 16, the first driving gear 7, the first driven gear 6, the driven shaft 18 and the second clutch 2 in sequence, the engine drives the generator 1 to operate, the generator 1 charges the storage battery, the driving motor 3 outputs power to drive the vehicle to run, the power generated by the driving motor 3 is transmitted to the driving gear 4 through the first-gear input shaft 17, then the speed signals are sequentially transmitted to a second driving gear 11, a second driven gear 8, an output shaft, an output driving gear 9 and a differential driven gear 10 to be transmitted to a differential assembly 15, and finally the speed signals are transmitted to wheels through half shafts, so that the low-speed gear function in the mode is realized, and the low-speed gear of the range-extending mode is realized; when a high-speed gear needs to be switched, the engine works, the first clutch 5 is controlled to be combined, the second clutch 2 is controlled to be combined, power generated by the engine is transmitted to the generator 1 through the driving shaft 16, the first driving gear 7, the first driven gear 6, the driven shaft 18 and the second clutch 2 in sequence, the engine drives the generator 1 to run, the generator 1 charges a storage battery, the driving motor 3 outputs power to drive the vehicle to run, the power coupling device 14 is controlled to be combined with the third driven gear 13, the power generated by the driving motor 3 is transmitted to the driving gear 4 through the first-gear input shaft 17, then is transmitted to the second driving gear 11, the second-gear input shaft 19, the third driving gear 12, the third driven gear 13, the output shaft, the output driving gear 9 and the differential driven gear 10 in sequence, is transmitted to the differential assembly 15 and finally is transmitted to wheels through the half shaft, therefore, the high-speed gear function in the mode is realized, and the high-speed gear in the range-extending mode is realized.
As shown in fig. 1, when the hybrid power assist mode is operated, the first clutch 5 is controlled to be engaged, the second clutch 2 is controlled to be disengaged, the power engagement device 14 is controlled to be engaged with the second driven gear 8 or the third driven gear 13, and the engine and the driving motor 3 output power to drive the vehicle to run. Specifically, the vehicle is driven to run by the output power of the engine and the driving motor 3, the first clutch 5 is controlled to be combined, the second clutch 2 is controlled to be separated, the power engaging device 14 is controlled to be combined with the second driven gear 8, the power generated by the engine is sequentially transmitted to the second-gear input shaft 19 through the driving shaft 16 and the first clutch 5, the power generated by the engine and the power generated by the driving motor 3 are coupled on the second-gear input shaft 19, the power generated by the driving motor 3 is transmitted to the driving gear 4 through the first-gear input shaft 17, then is sequentially transmitted to the second driving gear 11, the second driven gear 8, the output shaft, the output driving gear 9 and the differential driven gear 10 to be transmitted to the differential assembly 15, and finally is transmitted to the wheels through the half shafts, so that the low-gear function in the mode is realized, and the low-speed gear of the hybrid power-assisted mode is realized; when a high-speed gear needs to be switched, the vehicle is driven to run by the output power of the engine and the driving motor 3, the first clutch 5 is controlled to be combined, the second clutch 2 is controlled to be separated, the power coupling device 14 is controlled to be combined with the third driven gear 13, the power generated by the engine is sequentially transmitted to the second-speed input shaft 19 through the driving shaft 16 and the first clutch 5, the power generated by the engine and the power generated by the driving motor 3 are coupled on the second-speed input shaft 19, the power generated by the driving motor 3 is transmitted to the driving gear 4 through the first-speed input shaft 17, then is sequentially transmitted to the second driving gear 11, the second-speed input shaft 19, the third driving gear 12, the third driven gear 13, the output shaft, the output driving gear 9 and the differential driven gear 10 to the differential assembly 15, and finally is transmitted to the wheels through the half shafts, so that the high-speed gear function in the mode is, and a high-speed gear of a hybrid power assisting mode is realized.
As shown in fig. 1, when the engine is operated in the direct drive mode, the first clutch 5 is controlled to be engaged, the second clutch 2 is controlled to be disengaged, the power engaging device 14 is controlled to be engaged with the third driven gear 13, and the vehicle is driven to run by the output power of the engine.
As shown in fig. 1, when the vehicle operates in the engine direct drive mode, when the vehicle operates in a high-speed operating condition, the vehicle is driven to run by the output power of the engine, the first clutch 5 is controlled to be engaged, the second clutch 2 is controlled to be disengaged, the power engaging device 14 is controlled to be engaged with the third driven gear 13, the power generated by the engine is sequentially transmitted to the second-gear input shaft 19 through the driving shaft 16 and the first clutch 5, then sequentially transmitted to the third driving gear 12, the third driven gear 13, the output shaft, the output driving gear 9 and the differential driven gear 10, and finally transmitted to the wheels through the half shafts, so that the high-speed gear function in the mode is realized, and the high-speed gear of the engine direct drive mode is realized. When the engine is operated in the direct drive mode, the second clutch 2 is controlled to be engaged when the power output of the engine is excessive, so that the engine drives the generator 1 to generate power, and the generator 1 is driven to generate power by the excessive energy of the engine.
As shown in fig. 1, when the parking power generation mode is operated, the driving motor 3 stops operating, the first clutch 5 and the second clutch 2 are controlled to be engaged, and the engine drives the generator 1 to generate power. Specifically, the engine operates, the first clutch 5 is controlled to be engaged, the second clutch 2 is controlled to be engaged, power generated by the engine is transmitted to the generator 1 through the driving shaft 16, the first driving gear 7, the first driven gear 6, the driven shaft 18 and the second clutch 2 in sequence, the engine drives the generator 1 to operate, and the generator 1 charges the storage battery.
The driving motor 3 has driving and power generation functions, and the driving motor 3 is electrically connected with the storage battery and can charge the storage battery. As shown in fig. 1, when operating in the braking energy recovery mode, the vehicle is operated in a braking condition, in which power generation is performed by the driving motor 3. Specifically, after the control power engaging device 14 is combined with the second driven gear 8, the braking energy required by the vehicle is transmitted to the differential assembly 15 through the wheels, and is transmitted to the driving motor 3 through the output driving gear 9, the second-gear input shaft 19, the second driven gear 8, the second driving gear 11, the driving gear 4 and the first-gear input shaft 17 in sequence, so as to drive the driving motor 3 to operate, and the driving motor 3 generates electricity to charge the storage battery; after the control power coupling device 14 is combined with the third driven gear 13, the braking energy required by the vehicle is transmitted to the differential assembly 15 through the wheels, and is transmitted to the driving motor 3 through the output driving gear 9, the second-gear input shaft 19, the third driven gear 13, the third driving gear 12, the second-gear input shaft 19, the second driving gear 11, the driving gear 4 and the first-gear input shaft 17 in sequence, so as to drive the driving motor 3 to operate, and the driving motor 3 generates electricity to charge the storage battery.
The invention is described above with reference to the accompanying drawings. It is to be understood that the specific implementations of the invention are not limited in this respect. Various insubstantial improvements are made by adopting the method conception and the technical scheme of the invention; the present invention is not limited to the above embodiments, and can be modified in various ways.
Claims (10)
1. the utility model provides a special gearbox of hybrid, includes engine, generator, driving motor, input module, output module, differential driven gear and the output driving gear who meshes with differential driven gear mutually, its characterized in that: the input assembly comprises a first-gear input shaft connected with the driving motor, a driving shaft connected with the engine, a second-gear input shaft connected with the driving shaft through a first clutch, a driven shaft connected with the generator through a second clutch, a driving gear arranged on the first-gear input shaft, a first driving gear arranged on the driving shaft, a second driving gear and a third driving gear arranged on the second-gear input shaft, and a first driven gear arranged on the driven shaft and meshed with the first driving gear, the output assembly comprises an output shaft, a second driven gear and a third driven gear rotatably arranged on the output shaft, and a power coupling device arranged on the output shaft and selectively combined with the second driven gear or the third driven gear, the second driven gear is meshed with the second driving gear, and the third driven gear is meshed with the third driving gear, the output driving gear is arranged on the output shaft.
2. The hybrid dedicated transmission of claim 1, wherein: the power engagement devices are synchronizers or dual clutches.
3. The hybrid dedicated transmission according to claim 1 or 2, characterized in that: the second driving gear is located between the first clutch and the third driving gear, the diameter of the second driving gear is smaller than that of the second driven gear, and the diameter of the third driving gear is larger than that of the third driven gear.
4. The hybrid dedicated transmission of claim 3, wherein: the diameter of the second driven gear is larger than that of the driving gear.
5. The hybrid dedicated transmission according to any one of claims 1 to 4, characterized in that: the first-gear input shaft is sleeved on the driven shaft in an empty mode.
6. the hybrid dedicated transmission of claim 5, wherein: the driving gear is located between the driving motor and the first driven gear, and the diameter of the first driving gear is larger than that of the first driven gear.
7. The hybrid dedicated transmission according to any one of claims 1 to 6, characterized in that: when the vehicle runs in the pure electric driving mode, the first clutch and the second clutch are controlled to be separated, the power engaging device is controlled to be combined with the second driven gear or the third driven gear, and the driving motor outputs power to drive the vehicle to run.
8. The hybrid transmission according to any one of claims 1 to 6, characterized in that: when the automobile engine works in the range extending mode, the first clutch and the second clutch are controlled to be combined, the power engagement device is controlled to be combined with the second driven gear or the third driven gear, the driving motor outputs power to drive the automobile to run, and the engine drives the generator to generate power.
9. The hybrid transmission according to any one of claims 1 to 6, characterized in that: when the hybrid power-assisted vehicle works in a hybrid power-assisted mode, the first clutch is controlled to be combined, the second clutch is controlled to be separated, the power engagement device is controlled to be combined with the second driven gear or the third driven gear, and the engine and the driving motor output power to drive the vehicle to run.
10. The hybrid transmission according to any one of claims 1 to 6, characterized in that: when the engine works in a direct-drive mode, the first clutch is controlled to be combined, the second clutch is controlled to be separated, the power engaging device is controlled to be combined with the third driven gear, and the engine outputs power to drive the automobile to run.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910917752.7A CN110578772A (en) | 2019-09-26 | 2019-09-26 | Special gearbox for hybrid power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910917752.7A CN110578772A (en) | 2019-09-26 | 2019-09-26 | Special gearbox for hybrid power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
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| CN112193050A (en) * | 2020-10-23 | 2021-01-08 | 东风汽车集团有限公司 | Single motor transmission system |
| CN112373287A (en) * | 2020-11-30 | 2021-02-19 | 重庆青山工业有限责任公司 | Automobile double-motor hybrid power driving system |
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