CN209813713U - Single-planet-row-based single-gearbox series-parallel hybrid power system - Google Patents
Single-planet-row-based single-gearbox series-parallel hybrid power system Download PDFInfo
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- CN209813713U CN209813713U CN201822208387.6U CN201822208387U CN209813713U CN 209813713 U CN209813713 U CN 209813713U CN 201822208387 U CN201822208387 U CN 201822208387U CN 209813713 U CN209813713 U CN 209813713U
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Abstract
The utility model provides a based on single planet row single gearbox series-parallel hybrid power system, it makes hybrid's assembly arrange the convenience, has expanded the kind of hybrid product, and power transmission lasts, and is fit for various complicated operating modes. The planetary gear set comprises an engine, a first motor, a gearbox, a second motor and a planetary gear set structure, wherein the gearbox and the planetary gear set structure are integrated into an integrated composite box, the planetary gear set structure specifically comprises a sun gear, a planetary gear carrier and a gear ring, a first input shaft of the planetary gear carrier penetrates through a second hollow input shaft of the sun gear and then is connected with an output end of the engine, an output part of the first motor is sleeved on the second hollow input shaft, a plurality of planetary gears are distributed on the planetary gear carrier, the radial inner sides of the planetary gears are in meshing connection with the sun gear, and the radial outer sides of the planetary gears are in meshing connection with the gear ring of the gear ring.
Description
Technical Field
The utility model relates to an automobile power system's technical field specifically is a based on single planet row single gearbox series-parallel hybrid power system.
Background
The existing hybrid power system is used for outputting power, particularly in the gear shifting process, power interruption is easy to occur, the occupied space of the hybrid power system is large, the internal space of a vehicle body is small, the subsequent electric structure is inconvenient to assemble, and the adaptability of the hybrid power working condition based on single-star row is poor.
Disclosure of Invention
To the above problem, the utility model provides a based on single planet row single gearbox series-parallel hybrid power system, it makes hybrid's assembly arrange the convenience, has expanded the kind of hybrid product, and power transmission lasts, and is fit for various complicated operating modes, and the system is efficient.
The utility model provides a based on single planet row single gearbox series-parallel hybrid power system which characterized in that: the planetary gear set comprises an engine, a first motor, a gearbox, a second motor and a planetary gear set structure, wherein the gearbox and the planetary gear set structure are integrated into an integrated composite box, the planetary gear set structure specifically comprises a sun gear, a planetary carrier and a gear ring, a first input shaft of the planetary carrier penetrates through a second hollow input shaft of the sun gear and then is connected with an output end of the engine, an output part of the first motor is sleeved on the second hollow input shaft, a plurality of planetary gears are distributed on the planetary carrier, the radial inner sides of the planetary gears are engaged with the sun gear, the radial outer sides of the planetary gears are engaged with an inner gear ring of the gear ring, an output shaft of the gear ring and an output shaft of the gearbox are integrated to form an integrated composite box output shaft, and the integrated composite box output shaft is engaged with a main reduction gear of the differential mechanism through a gear structure, the gearbox also comprises a hollow input shaft, the hollow input shaft protrudes out of the integrated composite box and is connected with a power output part of a second motor, an output shaft of the integrated composite box penetrates through the hollow input shaft to be arranged, the gearbox also comprises a speed change first gear set and a speed change second gear set, the first gear set and the second gear set are driven to shift gears through a gear shift mechanism, the gear shift mechanism is fixedly arranged on the output shaft of the integrated composite box, and at least one transmission gear in the two gear sets is sleeved on the hollow input shaft.
It is further characterized in that:
the first motor and the second motor are both hollow shaft motors;
the output shaft of the integrated composite box is meshed with a main reduction bevel gear of the differential through a transmission shaft through a bevel gear;
the first speed change gear set comprises a first input gear and a first transmission gear, the second speed change gear set comprises a second input gear and a second transmission gear, the second input gear is fixedly sleeved at the output end of the hollow input shaft and is connected and synchronously rotates through a connecting shaft, the first input gear is sleeved at the corresponding position of the output shaft of the integrated composite box through a bearing, the first input gear is meshed and connected with the first transmission gear, the second input gear is meshed and connected with the second transmission gear, and a gear shifting mechanism is arranged between the first input gear and the second input gear;
the gear shifting mechanism comprises but is not limited to a meshing sleeve and a synchronizer.
After the technical scheme is adopted, the first motor of the structure decouples the rotating speed of the engine during working, the second motor decouples the torque of the engine during working, and the engine can always work at a fixed high-efficiency working point; meanwhile, the second motor is connected with the gearbox, so that the torque range coupled on the output shaft of the integrated composite box is larger, and the working condition adaptability is better; when the integrated box of the hybrid system shifts gears, power can be provided by the output power of the gear ring of the planet gear arrangement structure, so that the power interruption in the gear shifting process of the gearbox is avoided; when the vehicle is driven and braking energy is recovered, the gear-variable integrated box can efficiently select a proper gear to work according to working conditions, so that the dynamic property and the economical efficiency are enhanced; it makes hybrid's assembly arrange conveniently, has expanded the kind of hybrid product, reduces motor cost, and power transmission lasts, and is fit for various complicated operating modes.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
the engine 1, the first motor 2, the gearbox 3, the hollow input shaft 31, the speed change first gear set 32, the first input gear 321, the first transmission gear 322, the speed change second gear set 33, the gear 331, the second transmission gear 332, the gear shifting mechanism 34, the connecting shaft 35, the differential 4, the main reduction bevel gear 41, the second motor 5, the planet gear arrangement structure 6, the sun gear 61, the planet carrier 62, the gear ring 63, the first input shaft 64, the second hollow input shaft 65, the planet gear 66, the inner gear ring 67, the integrated composite box 7, the integrated composite box output shaft 71 and the bevel gear 8.
Detailed Description
A series-parallel hybrid power system based on a single planet row and a single gearbox is shown in figure 1: the hybrid power transmission device comprises an engine 1, a first motor 2, a gearbox 3, a second motor 5 and a planet gear arrangement structure 6, wherein the gearbox 3 and the planet gear arrangement structure 6 are integrated into an integrated composite box 7, the planet gear arrangement structure 6 specifically comprises a sun gear 61, a planet carrier 62 and a gear ring 63, a first input shaft 64 of the planet carrier 62 penetrates through a second hollow input shaft 65 of the sun gear 61 and then is connected with an output end of the engine 1, an output part of the first motor 2 is sleeved on the second hollow input shaft 65, a plurality of planet gears 66 are distributed on the planet carrier 62, the radial inner sides of the planet gears 66 are meshed with the sun gear 61, the radial outer sides of the planet gears 66 are meshed with an inner gear ring 67 of the gear ring 63, an output shaft of the gear ring 63 and an output shaft of the gearbox are integrated into an integrated composite box output shaft 71, the integrated composite box output shaft 71 is meshed, the gearbox 3 further comprises a hollow input shaft 31, the hollow input shaft 31 protrudes out of the integrated composite box 7 and then is connected with a power output part of the second motor 5, an output shaft 71 of the integrated composite box penetrates through the hollow input shaft 31 to be arranged, the gearbox 3 further comprises a first gear set 32 and a second gear set 33, the first gear set 32 and the second gear set 33 are driven to shift gears through a gear shifting mechanism 34, the gear shifting mechanism 34 is fixedly arranged on the output shaft 71 of the integrated composite box, and at least one transmission gear of the two gear sets is sleeved on the hollow input shaft 31.
The first motor 2 and the second motor 5 are both hollow shaft motors;
an output shaft 71 of the integrated composite box is meshed and connected with a main bevel reduction gear 41 of the differential 4 through a bevel gear 8 after passing through a transmission shaft;
the speed-changing first-gear set 32 comprises a first input gear 321 and a first transmission gear 322, the speed-changing second-gear set 33 comprises a second input gear 331 and a second transmission gear 332, the second input gear 331 is fixedly sleeved at the output end of the hollow input shaft 31, the first transmission gear 322 and the second transmission gear 332 are connected through a connecting shaft 35 and synchronously rotate, the first input gear 321 is sleeved at the corresponding position of the output shaft 71 of the integrated composite box through a bearing, the first input gear 321 is meshed and connected with the first transmission gear 322, the second input gear 331 is meshed and connected with the second transmission gear 332, and a gear-shifting mechanism 34 is arranged between the first input gear 321 and the second input gear 331;
the shift mechanism 34 includes, but is not limited to, a sleeve, a synchronizer.
The first motor of the structure decouples the rotating speed of the engine during working, the second motor decouples the torque of the engine during working, and the engine can always work at a fixed high-efficiency working point; meanwhile, the second motor is connected with the gearbox, so that the torque range coupled on the output shaft of the integrated composite box is larger, and the working condition adaptability is better; when the integrated box of the hybrid system shifts gears, power can be provided by the output power of the gear ring of the planet gear arrangement structure, so that the power interruption in the gear shifting process of the gearbox is avoided; when the vehicle is driven and braking energy is recovered, the gear-variable integrated box can efficiently select a proper gear to work according to working conditions, so that the dynamic property and the economical efficiency are enhanced; it makes hybrid's assembly arrange conveniently, has expanded the kind of hybrid product, reduces motor cost, and power transmission lasts, and is fit for various complicated operating modes.
The beneficial effects are as follows: the configuration of the hybrid power product is expanded; expanding the functional range of the planetary reduction structure; the transmission parts are concentrated in the integrated composite box, so that the available space of the vehicle is increased; the transmission chain is short, the speed ratio can be adjusted, and the efficiency is high; the vehicle runs smoothly without power interruption; the cost of the motor can be effectively reduced; the working conditions such as climbing acceleration and the like are more suitable.
The detailed description of the embodiments of the present invention has been provided, but the present invention is only the preferred embodiments of the present invention, and should not be considered as limiting the scope of the present invention. All equivalent changes and modifications made in accordance with the scope of the present invention shall fall within the scope of the present patent application.
Claims (5)
1. The utility model provides a based on single planet row single gearbox series-parallel hybrid power system which characterized in that: the planetary gear structure comprises a sun wheel, a planet wheel carrier and a gear ring, wherein a first input shaft of the planet wheel carrier penetrates through a second hollow input shaft of the sun wheel and then is connected with an output end of the engine, an output part of the first motor is sleeved on the second hollow input shaft, a plurality of planet wheels are distributed on the planet wheel carrier, the radial inner sides of the planet wheels are in meshing connection with the sun wheel, the radial outer sides of the planet wheels are in meshing connection with an inner gear ring of the gear ring, an output shaft of the gear ring and an output shaft of the gear box are integrated to form an integrated composite box output shaft, and the integrated composite box output shaft is in meshing connection with a main reduction gear of the differential mechanism through a gear structure, the gearbox also comprises a hollow input shaft, the hollow input shaft protrudes out of the integrated composite box and is connected with a power output part of a second motor, an output shaft of the integrated composite box penetrates through the hollow input shaft to be arranged, the gearbox also comprises a speed change first gear set and a speed change second gear set, the first gear set and the second gear set are driven to shift gears through a gear shift mechanism, the gear shift mechanism is fixedly arranged on the output shaft of the integrated composite box, and at least one transmission gear in the two gear sets is sleeved on the hollow input shaft.
2. The hybrid power system based on the single planet row and the single gearbox in series-parallel connection as claimed in claim 1, wherein: the first motor and the second motor are both hollow shaft motors.
3. The hybrid power system based on the single planet row and the single gearbox in series-parallel connection as claimed in claim 1, wherein: and the output shaft of the integrated composite box is meshed and connected with a main bevel reduction gear of the differential through a bevel gear.
4. The hybrid power system based on the single planet row and the single gearbox in series-parallel connection as claimed in claim 2, wherein: the first speed change gear set comprises a first input gear and a first transmission gear, the second speed change gear set comprises a second input gear and a second transmission gear, the second input gear is fixedly sleeved at the output end of the hollow input shaft and is connected and synchronously rotates through a connecting shaft, the first input gear is sleeved at the corresponding position of the output shaft of the integrated composite box through a bearing, the first input gear is connected with the first transmission gear in a meshing manner, the second input gear is connected with the second transmission gear in a meshing manner, and a gear shifting mechanism is arranged between the first input gear and the second input gear.
5. The hybrid power system based on the single planet row and the single gearbox in series-parallel connection as claimed in claim 4, wherein: the gear shifting mechanism comprises but is not limited to a meshing sleeve and a synchronizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822208387.6U CN209813713U (en) | 2018-12-27 | 2018-12-27 | Single-planet-row-based single-gearbox series-parallel hybrid power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822208387.6U CN209813713U (en) | 2018-12-27 | 2018-12-27 | Single-planet-row-based single-gearbox series-parallel hybrid power system |
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| Publication Number | Publication Date |
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| CN209813713U true CN209813713U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822208387.6U Active CN209813713U (en) | 2018-12-27 | 2018-12-27 | Single-planet-row-based single-gearbox series-parallel hybrid power system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109455080A (en) * | 2018-12-27 | 2019-03-12 | 苏州绿控传动科技股份有限公司 | One kind being based on single planetary row list gearbox parallel-serial hybrid power system |
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2018
- 2018-12-27 CN CN201822208387.6U patent/CN209813713U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109455080A (en) * | 2018-12-27 | 2019-03-12 | 苏州绿控传动科技股份有限公司 | One kind being based on single planetary row list gearbox parallel-serial hybrid power system |
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