CN215850719U - Four-gear dual-motor driven hybrid power transmission device - Google Patents
Four-gear dual-motor driven hybrid power transmission device Download PDFInfo
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- CN215850719U CN215850719U CN202122129920.1U CN202122129920U CN215850719U CN 215850719 U CN215850719 U CN 215850719U CN 202122129920 U CN202122129920 U CN 202122129920U CN 215850719 U CN215850719 U CN 215850719U
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Abstract
A four-gear dual-motor driven hybrid power transmission device belongs to the technical field of transmissions. The input shaft is connected with the engine, the power generation motor and the driving motor; the single planet row is connected with a first clutch and a second clutch, the first clutch is connected with a driving motor, and the second clutch is connected with a CR-CR type planet gear mechanism; the driving motor is connected with the CR-CR type planetary gear mechanism; the CR-CR type planetary gear mechanism is connected with a first brake and a second brake, and the other ends of the first brake and the second brake are fixedly arranged on the shell; and the rear gear ring component of the front planet carrier of the CR-CR type planetary gear mechanism is connected with the output shaft. The utility model has the functions of energy recovery and power generation during parking, and the CR-CR type planetary gear mechanism and the single planetary row can independently design the transmission ratio, thereby having the characteristics of higher transmission efficiency, low component rotating speed and large transmission ratio.
Description
Technical Field
The utility model relates to a four-gear dual-motor driven hybrid power transmission device, and belongs to the technical field of transmissions.
Background
With the rapid development and technological innovation of the automobile industry and the gradual increase of the actual operation quantity of new energy automobiles, the new energy hybrid power device is more and more widely applied to the field of transmissions, the hybrid power device can meet various power combination modes of an engine, a generator and a motor, the multi-gear transmission case can change the speed ratio according to different working conditions, the good whole automobile benefit can be achieved, and the new energy automobile is the main development direction of the new energy automobile in the next several years.
However, the existing hybrid power device has fewer gears, mainly adopts a single gear or two gears, has larger gear rotation speed difference, and has more prominent gear impact problem.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the background art, the utility model provides a four-gear double-motor driven hybrid power transmission device.
The utility model adopts the following technical scheme: a four-gear double-motor driven hybrid power transmission device comprises a power generation motor, an input shaft, a first clutch, a second clutch, a driving motor, a first brake, a second brake, an output shaft, a shell, a single planetary row and a CR-CR type planetary gear mechanism, wherein the input end of the input shaft is connected with a power system of an engine, and the output end of the input shaft is connected with the power generation motor through the single planetary row and is connected with the driving motor through the CR-CR type planetary gear mechanism; the single planet row is connected with one end of a first clutch and one end of a second clutch, the other end of the first clutch is connected with a driving motor, and the other end of the second clutch is connected with a third sun gear of the CR-CR type planetary gear mechanism; the other end of the driving motor is connected with a front gear ring and rear planet carrier assembly of the CR-CR type planetary gear mechanism; the front gear ring and rear planet carrier assembly of the CR-CR type planetary gear mechanism is connected with one end of a first brake, a second sun gear of the CR-CR type planetary gear mechanism is connected with one end of a second brake, and the other ends of the first brake and the second brake are fixedly arranged on the shell; and the rear gear ring component of the front planet carrier of the CR-CR type planetary gear mechanism is connected with the output shaft.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model has simple and compact structure, provides a hybrid vehicle transmission device based on double single-stage planetary gear row and double motor drive, which comprises a CR-CR type planetary gear mechanism, a single planetary gear row, two motors, two brakes and two clutches, wherein the two clutches and the two brakes are combined differently, and the engine and the two motors are in different working states, thereby realizing EV (electric vehicle) gear, four-gear engine, parallel mode and ECVT (electric vehicle transfer) mode.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a gear schematic;
FIG. 3 is a schematic view of a gear configuration;
FIG. 4 is a schematic diagram of a second stop structure;
FIG. 5 is a schematic diagram of a three-gear configuration;
FIG. 6 is a schematic illustration of a four-gear configuration;
FIG. 7 is an EV gear configuration;
FIG. 8 is a schematic diagram of a parallel mode configuration;
fig. 9 is a schematic diagram of an ECVT mode structure.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
A four-gear double-motor driven hybrid power transmission device comprises a power generation motor 1, an input shaft 2, a first clutch 7, a second clutch 8, a driving motor 9, a first brake 16, a second brake 17, an output shaft 18, a shell 19, a single-row planetary gear and a CR-CR type planetary gear mechanism, wherein the input end of the input shaft 2 is connected with a power system of an engine, and the output end of the input shaft 2 is connected with the power generation motor 1 through a first sun gear 3 of the single-row planetary gear and is connected with the driving motor 9 through the CR-CR type planetary gear mechanism; the planet carrier 5 of the single planet row is connected with one end of a first clutch 7 and one end of a second clutch 8, the other end of the first clutch 7 is connected with a driving motor 9, and the other end of the second clutch 8 is connected with a third sun gear 13 of a CR-CR type planetary gear mechanism; the other end of the driving motor 9 is connected with a front gear ring and rear planet carrier assembly 12 of the CR-CR type planetary gear mechanism; the front ring gear and rear planet carrier assembly member 12 of the CR-CR type planetary gear mechanism is connected with one end of a first brake 16, the second sun gear 10 of the CR-CR type planetary gear mechanism is connected with one end of a second brake 17, and the other ends of the first brake 16 and the second brake 17 are both fixedly arranged on a shell 19; the front carrier rear ring gear assembly 15 of the CR-CR planetary gear mechanism is connected to the output shaft 18.
The single planet row comprises a first sun gear 3, a first planet gear 4, a planet carrier 5 and an outer gear ring 6; the outer side cover of input shaft 2 is equipped with planet carrier 5, be equipped with first planet wheel 4 on the planet carrier 5, first planet wheel 4 is connected with first sun gear 3 and the equal meshing of outer ring gear 6, outer ring gear 6 fixed mounting is on casing 19, first sun gear 3 is connected with generating motor 1.
The utility model discloses a first-gear transmission method of a four-gear double-motor driven hybrid power transmission device, which comprises the following steps of:
s1: the second clutch 8, the first brake 16 and the engine are operated, and the generator motor 1, the first clutch 7, the drive motor 9 and the second brake 17 are not operated;
s2: starting the engine, transmitting the power of the engine to a third sun gear 13 of the CR-CR type planetary gear mechanism through the input shaft 2 and the second clutch 8, and enabling the third sun gear 13 to rotate clockwise;
s3: the third planet gear 14 is driven to rotate by the rotation of the third sun gear 13, and the front planet carrier rear gear ring 15 of the CR-CR type planet gear mechanism is driven to rotate clockwise by the third planet gear 14 of the CR-CR type planet gear mechanism;
s4: the front planet carrier rear gear ring 15 is connected with a driving wheel through an output shaft 18 to output power.
When the gear is shifted, the rotating speed is low, the third planet wheel 14 drives the front planet carrier rear gear ring component 15 to rotate clockwise, a moment rotating towards the anticlockwise is generated on the front planet carrier rear gear carrier component 12, and in order to prevent anticlockwise rotation, the first brake 16 works, so that the engine power is transmitted to the output shaft 18 through the input shaft 2, the third sun wheel 13, the third planet wheel 14 and the front planet carrier rear gear ring component 15.
The utility model discloses a two-gear transmission method of a four-gear and double-motor driven hybrid power transmission device, which comprises the following steps of:
s1: the second clutch 8, the second brake 17 and the engine are operated, and the generator motor 1, the first clutch 7, the drive motor 9 and the first brake 16 are not operated;
s2: starting the engine, transmitting the power of the engine to a third sun gear 13 of the CR-CR type planetary gear mechanism through the input shaft 2 and the second clutch 8, and enabling the third sun gear 13 to rotate clockwise;
s3: the third sun gear 13 drives the third planet gear 14 of the CR-CR type planetary gear mechanism to rotate;
s4: the third planet gears 14 drive the front carrier rear gear ring component 15 of the CR-CR type planet gear mechanism to rotate clockwise,
meanwhile, the third planet gears 14 drive the front gear ring rear planet carrier assembly 12 to rotate clockwise, the second sun gear 10 is fixed due to the operation of the second brake 17, the front gear ring rear planet carrier assembly 12 drives the front planet carrier rear gear ring assembly 15 to rotate clockwise through the second planet gears 11,
the front planet carrier rear gear ring component 15 is connected with a driving wheel through an output shaft 18 to output power.
In this gear, the front carrier rear ring gear assembly 15 receives power output from the third planet gears 14 and the second planet gears 11 simultaneously.
The utility model discloses a three-gear transmission method of a four-gear and double-motor driven hybrid power transmission device, which comprises the following steps of:
s1: the first clutch 7, the second clutch 8 and the engine are operated, and the generator motor 1, the drive motor 9, the first brake 16 and the second brake 17 are not operated;
s2: starting the engine, transmitting the power of the engine to a front gear ring rear planet carrier assembly 12 and a third sun gear 13 of the CR-CR type planetary gear mechanism through an input shaft 2, a first clutch 7 and a second clutch 8, connecting the input shaft 2, the front gear ring rear planet carrier assembly 12 and the third sun gear 13 into a whole, and enabling the front gear ring rear planet carrier assembly 12 and the third sun gear 13 to rotate clockwise along with the input shaft 2 at the same rotating speed;
s3: the front gear ring, the rear planet carrier assembly 12 and the third sun gear 13 drive the third planet gear 14 to rotate clockwise;
s4: the third planet wheel 14 drives the front planet carrier rear gear ring component 15 to rotate clockwise;
s5: the front planet carrier rear gear ring 15 is connected with a driving wheel through an output shaft 18 to output power. The second planet wheels 11 are now in an idle state.
The utility model discloses a four-gear transmission method of a four-gear-double-motor driven hybrid power transmission device, which comprises the following steps of:
s1: the first clutch 7, the second brake 17 and the engine are operated, and the generator motor 1, the second clutch 8, the drive motor 9 and the first brake 16 are not operated;
s2: starting the engine, transmitting the power of the engine to a front gear ring and rear planet carrier assembly 12 of the CR-CR type planetary gear mechanism through the input shaft 2 and the first clutch 7, and enabling the front gear ring and rear planet carrier assembly 12 to rotate clockwise;
s3: as the second brake 17 works, the second sun gear 10 is fixed, and the front gear ring and rear gear carrier assembly 12 of the CR-CR type planetary gear mechanism drives the front gear carrier and rear gear ring 15 of the CR-CR type planetary gear mechanism to rotate clockwise through the second planet gear 11;
s4: the front planet carrier rear gear ring 15 is connected with a driving wheel through an output shaft 18 to output power. The third planetary wheel 14 is now in an idle state.
The utility model discloses an EV gear transmission method of a four-gear double-motor driven hybrid power transmission device, which comprises the following steps of:
s1: the drive motor 9 and the second brake 17 are put into an operating state, and the generator motor 1, the first clutch 7, the second clutch 8, the first brake 16, and the engine are put into a non-operating state;
s2: starting the driving motor 9, and transmitting power to the front gear ring and rear planet carrier assembly 12 by the driving motor 9 to drive the front gear ring and rear planet carrier assembly 12 to rotate clockwise;
s3: as the second brake 17 works, the second sun gear 10 is fixed, and the front-ring rear planet carrier assembly 12 drives the front-ring rear planet carrier rear gear ring assembly 15 to rotate clockwise through the second planet gear 11;
s4: the front planet carrier rear gear ring 15 is connected with a driving wheel through an output shaft 18 to output power.
The utility model discloses a parallel mode transmission method of a four-gear double-motor driven hybrid power transmission device, which comprises the following steps of:
s1: the first clutch 7, the second clutch 8, the drive motor 9 and the engine are put into an operating state, and the generator motor 1, the first brake 16 and the second brake 17 are put into a non-operating state;
s2: starting the driving motor 9 and the engine, wherein the power of the driving motor 9 is input from a battery or the power generation motor 1, and the driving motor 9 and the engine drive the front gear ring, the rear planet carrier assembly 12 and the third sun gear 13 to simultaneously rotate clockwise at the same rotating speed;
s3: the front planet carrier rear gear ring component 15 is driven to rotate clockwise by the third planet wheel 14;
s4: the front planet carrier rear gear ring 15 is connected with a driving wheel through an output shaft 18 to output power.
The utility model discloses an ECVT mode transmission method of a four-gear double-motor driven hybrid power transmission device, which comprises the following steps:
s1: the generator motor 1, the second clutch 8, the drive motor 9, and the engine are operated, and the first clutch 7, the first brake 16, and the second brake 17 are not operated;
the ratio of the torque of the front gear ring rear planet carrier component 12 to the torque of the front gear ring rear planet carrier component 15 in the planetary mechanism is fixed, the transmitted power is in direct proportion to the rotating speed, the engine and the driving motor 9 provide more efficient power collocation for the mechanism through the regulation of the rotating speed, and the power distribution is as follows: the driving motor 9 assists the engine to transmit power to the end gear together, and the power generation motor 1 serves as a generator to distribute power from the engine to provide a power source for the driving motor 9;
when the automobile starts and runs at a lower speed (0-30km/h), the engine transmits power to the generating motor 1, the driving motor 9 provides main power to drive the automobile to move forwards,
when the vehicle runs normally (30-100km/h), the engine divides the power into two power flows, one part directly drives the wheels, the other part is transmitted to the generator motor 1,
when the vehicle accelerates suddenly (> 100km/h), the power is supplied by the engine and the driving motor 9 is supplemented with the power, the engine and the driving motor 9 work together to supply the power required by the vehicle,
s2: starting the engine, transmitting the power of the engine to the third sun gear 13 through the input shaft 2 and the second brake 8, and enabling the third sun gear 13 to rotate clockwise;
starting the driving motor 9, inputting power from a battery or the power generation motor 1, and transmitting the power to the front gear ring and rear planet carrier assembly 12 by the driving motor 9;
s3: the front planet carrier rear gear ring component 15 is driven to rotate clockwise by the third planet wheel 14;
s4: the front planet carrier rear gear ring 15 is connected with a driving wheel through an output shaft 18 to output power.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (2)
1. A four-gear-double-motor driven hybrid power transmission device is characterized in that: the power generation device comprises a power generation motor (1), an input shaft (2), a first clutch (7), a second clutch (8), a driving motor (9), a first brake (16), a second brake (17), an output shaft (18), a shell (19), a single-row planetary gear and a CR-CR type planetary gear mechanism, wherein the input end of the input shaft (2) is connected with a power system of an engine, and the output end of the input shaft (2) is connected with the power generation motor (1) through the single-row planetary gear and is connected with the driving motor (9) through the CR-CR type planetary gear mechanism; the single planet row is connected with one end of a first clutch (7) and one end of a second clutch (8), the other end of the first clutch (7) is connected with a driving motor (9), and the other end of the second clutch (8) is connected with a third sun gear (13) of the CR-CR type planetary gear mechanism; the other end of the driving motor (9) is connected with a front gear ring and rear planet carrier assembly (12) of the CR-CR type planetary gear mechanism; the front gear ring and rear planet carrier assembly (12) of the CR-CR type planetary gear mechanism is connected with one end of a first brake (16), a second sun gear (10) of the CR-CR type planetary gear mechanism is connected with one end of a second brake (17), and the other ends of the first brake (16) and the second brake (17) are fixedly arranged on a shell (19); a front planet carrier rear gear ring component (15) of the CR-CR type planetary gear mechanism is connected with an output shaft (18).
2. A four-gear two-motor driven hybrid transmission as claimed in claim 1, wherein: the single planet row comprises a first sun gear (3), a first planet gear (4), a planet carrier (5) and an outer gear ring (6); the outer side cover of input shaft (2) is equipped with planet carrier (5), be equipped with first planet wheel (4) on planet carrier (5), first planet wheel (4) are connected with first sun gear (3) and outer ring gear (6) equal meshing, outer ring gear (6) fixed mounting is on casing (19), first sun gear (3) are connected with generating motor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122129920.1U CN215850719U (en) | 2021-09-03 | 2021-09-03 | Four-gear dual-motor driven hybrid power transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122129920.1U CN215850719U (en) | 2021-09-03 | 2021-09-03 | Four-gear dual-motor driven hybrid power transmission device |
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| Publication Number | Publication Date |
|---|---|
| CN215850719U true CN215850719U (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122129920.1U Active CN215850719U (en) | 2021-09-03 | 2021-09-03 | Four-gear dual-motor driven hybrid power transmission device |
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| Country | Link |
|---|---|
| CN (1) | CN215850719U (en) |
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2021
- 2021-09-03 CN CN202122129920.1U patent/CN215850719U/en active Active
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