CN211617413U - Series-parallel hybrid power automobile transmission mechanism - Google Patents
Series-parallel hybrid power automobile transmission mechanism Download PDFInfo
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- CN211617413U CN211617413U CN201921716867.1U CN201921716867U CN211617413U CN 211617413 U CN211617413 U CN 211617413U CN 201921716867 U CN201921716867 U CN 201921716867U CN 211617413 U CN211617413 U CN 211617413U
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Abstract
The utility model relates to a hybrid electric vehicle, in particular to a series-parallel hybrid electric vehicle transmission mechanism, which comprises an engine, an engine driving shaft, a driving motor, a motor shaft and a planet row; the planet row comprises a sun gear, two planet gears, a gear ring, a planet carrier and an output shaft; the planet gear is respectively meshed with the sun gear and the inner ring of the gear ring; the sun wheel is positioned in the planet carrier; the planet wheel is rotatably arranged on the planet carrier; the outer side of the planet carrier is fixedly connected with an output shaft; the engine is connected with the sun gear through an engine driving shaft; the utility model discloses only arrange to realize infinitely variable, the structure is fairly simple with engine and driving motor's power coupling through a planet, and engine and driving motor both's rotational speed can change respectively and can not be restricted mutually to all just transmit away power through a planet row when engine or driving motor regard as single power supply, its simple structure, with low costs.
Description
Technical Field
The utility model relates to a hybrid vehicle, concretely relates to series-parallel connection formula hybrid vehicle drive mechanism.
Background
The transmission mechanism is an important system in the series-parallel hybrid electric vehicle and plays an important role in power transmission and rotating speed change of the series-parallel hybrid electric vehicle. The prior art series-parallel hybrid vehicle transmission mechanism generally comprises an engine, a driving motor, a generator, a clutch and the like. When only an engine or a driving motor is used as a power source, the power transmission circuit is complex and the cost is high; in addition, in the hybrid mode, the power connection speed of the engine and the driving motor is fixed, and stepless speed change cannot be realized, so that the engine and the driving motor are difficult to work in a high-efficiency area, and the transmission working efficiency is not high.
Disclosure of Invention
The utility model discloses a series-parallel connection formula hybrid vehicle drive mechanism, arrange the hookup through engine, driving motor and planet, realized that simple structure, with low costs, the control degree of difficulty is low and the series-parallel connection formula hybrid vehicle drive mechanism that work efficiency is high.
The utility model discloses a series-parallel hybrid electric vehicle transmission mechanism, which comprises an engine, an engine driving shaft, a driving motor, a motor shaft and a planet row;
the planet row comprises a sun gear, two planet gears, a gear ring, a planet carrier and an output shaft; the planet gear is respectively meshed with the sun gear and the inner ring of the gear ring; the sun wheel is positioned in the planet carrier; the planet wheel is rotatably arranged on the planet carrier; the outer side of the planet carrier is fixedly connected with an output shaft;
the engine is connected with the sun gear through an engine driving shaft;
the driving motor is connected with a motor shaft, the right end of the motor shaft is fixedly connected with a driving gear, and the driving gear is meshed with the outer ring of the gear ring through a driven gear.
Further, a first clutch is arranged on the engine driving shaft; the first clutch disconnects a connecting shaft from the right side of the engine driving shaft, and a first brake is arranged on the connecting shaft; and a generator is arranged between the engine driving shaft and the first clutch, and the engine driving shaft is fixedly connected with a rotor of the generator.
Further, a second brake is arranged on the motor shaft.
Furthermore, the number of teeth of the driving gear is less than that of the driven gear.
Further, the first clutch is a dry clutch.
Further, the first brake and the second brake are both belt brakes.
The utility model discloses beneficial technological effect does: the stepless speed change is realized by coupling the power of the engine and the driving motor through only one planetary row, the structure is simpler, the rotating speeds of the engine and the driving motor can be respectively changed without mutual limitation, when the engine or the driving motor is used as a single power source, the power is transmitted through only one planetary row, and the stepless speed change is simple in structure and low in cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, the series-parallel hybrid electric vehicle transmission mechanism includes: the engine comprises an engine 1, an engine driving shaft 2, a driving motor 4, a motor shaft 5 and a planet row.
The planet row comprises a sun wheel 9, two planet wheels, a ring gear 8, a planet carrier 11 and an output shaft 12. The planet wheel 10 is respectively meshed with the inner rings of the sun wheel 9 and the gear ring 8. The sun gear 9 is located within the planet carrier 11. The planet wheels 10 are rotatably mounted to a planet carrier 11. The outer side of the planet carrier 11 is fixedly connected with an output shaft 12.
A first clutch 13 is arranged on the engine driving shaft 2; the first clutch 13 cuts off the right side of the engine driving shaft 2 to form a connecting shaft 14, and a first brake 15 is arranged on the connecting shaft 14; the generator 3 is provided between the engine drive shaft 2 and the first clutch 13, and the engine drive shaft 2 is fixedly connected to a rotor of the generator 3.
The driving motor 4 is connected with a motor shaft 5, the right end of the motor shaft 5 is fixedly connected with a driving gear 6, and the driving gear 6 is meshed with the outer ring of the gear ring 8 through a driven gear 7. Between the driving motor 4 and the driving gear 6, a second brake 16 is arranged on the motor shaft 5. The number of teeth of the driving gear 6 is less than that of the driven gear 7.
The first clutch 13 is a dry clutch, which can further reduce the cost and simplify the control system. The first brake 15 and the second brake 16 are both belt brakes, and the actuating mechanism and the control system are simple and low in cost.
The working principle of the series-parallel hybrid electric vehicle transmission mechanism is as follows:
single engine mode: the engine 1 is operated, the first clutch 13 is engaged, and the first brake 15 is released; the drive motor 4 is not operated and the second brake 16 brakes. The engine 1 transmits power to the first clutch 13, the connecting shaft 14 and the sun gear 9 of the planet row in sequence through the engine driving shaft 2, the motor shaft 5, the driving gear 6, the driven gear 7 and the gear ring 8 of the planet row are all fixed under the braking action of the second brake 16, and after the power from the engine 1 is transmitted to the sun gear 9 of the planet row, the power is transmitted out through the planet carrier 11 of the planet row, and finally the power is output through the output shaft 12.
Pure electric mode: the engine 1 does not work, the first clutch 13 is disconnected, and the first brake 15 brakes; the driving motor 4 is operated and the second brake 16 is released. The driving motor 4 transmits power to the driving gear 6, the driven gear 7 and the gear ring 8 of the planet row in sequence through the motor shaft 5, the connecting shaft 14 and the sun gear 9 of the planet row are fixed under the braking action of the first brake 15, and after the power from the driving motor 4 is transmitted to the gear ring 8 of the planet row, the power is transmitted out through the planet carrier 11 of the planet row, and finally the power is output through the output shaft 12.
Mixing mode: the engine 1 is operated, the first clutch 13 is engaged, the driving motor 4 is operated, the first brake 15 is released, and the second brake 16 is released. The engine 1 sequentially transmits power to the first clutch 13, the connecting shaft 14 and the sun gear 9 of the planet row through the engine driving shaft 2, the driving motor 4 sequentially transmits power to the driving gear 6, the driven gear 7 and the gear ring 8 of the planet row through the motor shaft 5, the power from the engine 1 and the power of the driving motor 4 are coupled on the planet row, the power is transmitted out through the planet carrier 11 of the planet row, and finally the power is output through the output shaft 12.
And (3) charging mode: the engine 1 is operated, the first clutch 13 is disconnected, and the engine 1 drives the generator 3 to rotate through the engine driving shaft 2 to generate electricity. Under the running state of the vehicle, the generated electric energy can directly drive the motor 4 to work. When the vehicle is in a parking state, the vehicle generates electric energy to charge the storage battery.
Claims (7)
1. Series-parallel connection formula hybrid vehicle drive mechanism, its characterized in that: comprises an engine (1), an engine driving shaft (2), a driving motor (4), a motor shaft (5) and a planet row;
the planet row comprises a sun gear (9), two planet gears, a gear ring (8), a planet carrier (11) and an output shaft (12); the planet wheel (10) is respectively meshed with the sun wheel (9) and the inner ring of the gear ring (8); the sun gear (9) is positioned in the planet carrier (11); the planet wheel (10) is rotatably arranged on a planet carrier (11); the outer side of the planet carrier (11) is fixedly connected with an output shaft (12);
the engine (1) is connected with the sun gear (9) through an engine driving shaft (2);
the driving motor (4) is connected with a motor shaft (5), the right end of the motor shaft (5) is fixedly connected with a driving gear (6), and the driving gear (6) is meshed with the outer ring of the gear ring (8) through a driven gear (7).
2. The series-parallel hybrid vehicle transmission mechanism of claim 1, characterized in that: a first clutch (13) is arranged on the engine driving shaft (2); the first clutch (13) disconnects a connecting shaft (14) from the right side of the engine driving shaft (2), and a first brake (15) is arranged on the connecting shaft (14); a generator (3) is arranged between the engine driving shaft (2) and the first clutch (13), and the engine driving shaft (2) is fixedly connected with a rotor of the generator (3).
3. The series-parallel hybrid vehicle transmission mechanism of claim 1, characterized in that: and a second brake (16) is arranged on the motor shaft (5).
4. The series-parallel hybrid vehicle transmission mechanism of claim 1, characterized in that: the number of teeth of the driving gear (6) is less than that of the driven gear (7).
5. The series-parallel hybrid vehicle transmission mechanism of claim 2, characterized in that: the first clutch (13) is a dry clutch.
6. The series-parallel hybrid vehicle transmission mechanism of claim 2, characterized in that: the first brake (15) is a band brake.
7. The series-parallel hybrid vehicle transmission mechanism of claim 3, characterized in that: the second brake (16) is a band brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921716867.1U CN211617413U (en) | 2019-10-14 | 2019-10-14 | Series-parallel hybrid power automobile transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921716867.1U CN211617413U (en) | 2019-10-14 | 2019-10-14 | Series-parallel hybrid power automobile transmission mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN211617413U true CN211617413U (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921716867.1U Active CN211617413U (en) | 2019-10-14 | 2019-10-14 | Series-parallel hybrid power automobile transmission mechanism |
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| CN (1) | CN211617413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112477580A (en) * | 2020-12-04 | 2021-03-12 | 浙江吉利控股集团有限公司 | Power transmission device, power assembly and vehicle |
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2019
- 2019-10-14 CN CN201921716867.1U patent/CN211617413U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112477580A (en) * | 2020-12-04 | 2021-03-12 | 浙江吉利控股集团有限公司 | Power transmission device, power assembly and vehicle |
| CN112477580B (en) * | 2020-12-04 | 2021-11-16 | 浙江吉利控股集团有限公司 | Power transmission device, power assembly and vehicle |
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