CN217623106U - Double-motor two-gear planet row hybrid transmission - Google Patents
Double-motor two-gear planet row hybrid transmission Download PDFInfo
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- CN217623106U CN217623106U CN202221353246.3U CN202221353246U CN217623106U CN 217623106 U CN217623106 U CN 217623106U CN 202221353246 U CN202221353246 U CN 202221353246U CN 217623106 U CN217623106 U CN 217623106U
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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
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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Abstract
A double-motor two-gear planet row hybrid transmission belongs to the technical field of automobile hybrid transmissions. The input end of the input shaft is connected with a power system of an engine, the output end of the input shaft is connected with a second motor through a second planet row, the input shaft is connected with the input end of a middle shaft through a clutch, the middle shaft is connected with a first motor through a first planet row, the output end of the middle shaft is connected with the input end of an output shaft, the output end of the output shaft is in transmission connection with a rear axle of a vehicle, the output shaft is connected with the first planet row, the first planet row is connected with a first brake and a second brake, and the second motor, the first brake, the second brake and the second planet row are all connected with a transmission shell. The utility model discloses low cost, simple structure, overall arrangement are compact, complete machine carryover nature is good, control strategy is simple, have improved driving system's comprehensive efficiency, have reduced the fuel consumption rate, and energy saving and emission reduction has satisfied the development requirement in market, has realized the low cost.
Description
Technical Field
The utility model relates to a double-motor two-gear planet row hybrid transmission belongs to car hybrid transmission technical field.
Background
With the continuous improvement of the awareness of energy conservation and emission reduction of people, the conventional power automobile is limited by the structure and is difficult to meet the requirements of people, and as a novel automobile power type, the technology and the market of the hybrid power automobile are in a vigorous development stage, wherein a hybrid power vehicle driving device occupies an extremely important position.
The conventional hybrid power transmission is limited by a structure, has a single structure, depends on a motor for regulating the speed and the load capacity, has high requirements on the level of the motor, and is difficult to control the cost; the mixing mode is single, the gear is single, the comprehensive oil saving rate is low, and the comprehensive cost is high.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists among the background art, the utility model provides a double-motor two keep off planet row and mix dynamic transmission.
The purpose is achieved, the utility model adopts the following technical proposal: a double-motor two-gear planet row hybrid transmission comprises an input shaft, an intermediate shaft, an output shaft, a clutch, a second motor, a first motor, a transmission shell, a first brake, a second brake, a first planet row and a second planet row; the input end of the input shaft is connected with a power system of an engine, the output end of the input shaft is connected with a second motor through a second planetary row, the input shaft is connected with the input end of a middle shaft through a clutch, the middle shaft is connected with a first motor through a first planetary row, the output end of the middle shaft is connected with the input end of an output shaft, the output end of the output shaft is in transmission connection with a rear axle of a vehicle, the output shaft is connected with a first planetary row, the first planetary row is connected with a first brake and a second brake, and the second motor, the first brake, the second brake and the second planetary row are all connected with a transmission shell.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a variation lavina planet carrier framework, low cost, simple structure, the overall arrangement is compact, the complete machine carryover nature is good, control strategy is simple, through the structure of bi-motor and two planet rows, provide electricelectric moves two and keep off the power transmission mode with engine one, provide multiple driving mode, synthesize multiple operating mode, improve the comprehensive efficiency of driving system, can effectively reduce the fuel consumption rate, reach energy saving and emission reduction's purpose, satisfy the development requirement in current market, and realized low-cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic diagram of the gears of the present invention;
fig. 3 is a schematic structural diagram of a pure electric mode one-gear of the present invention;
fig. 4 is a schematic structural diagram of a pure electric mode two-gear position of the present invention;
fig. 5 is a schematic structural diagram of the direct drive mode of the engine of the present invention;
fig. 6 is a schematic structural view of the range-extended driving mode of the present invention;
fig. 7 is a schematic structural diagram of a parallel driving mode of the present invention;
fig. 8 is a lever diagram of gear ratios of the present invention.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
A double-motor two-gear planetary gear row hybrid transmission comprises an input shaft 3, an intermediate shaft 4, an output shaft 5, a clutch 6, a second motor 11, a first motor 12, a transmission shell 13, a first brake 14, a second brake 15, a first planetary gear row and a second planetary gear row; the input end of the input shaft 3 is connected with a power system of the engine 1 through the shock absorber 2, the output end of the input shaft 3 extends into the transmission shell 13 and is connected with the second motor 11 through the second planet row, the input shaft 3 is connected with the input end of the intermediate shaft 4 through the clutch 6, the intermediate shaft 4 is connected with the first motor 12 through the first planet row, the output end of the intermediate shaft 4 is connected with the input end of the output shaft 5, the output end of the output shaft 5 extends out of the transmission shell 13 and is in transmission connection with a rear axle of a vehicle, a rotary sealing element is arranged between the input shaft 3 and the transmission shell 13 and between the output shaft 5 and the transmission shell 13 in the prior art, an OP oil pump externally connected with the transmission shell 13 supplies oil for the inside to achieve a lubricating effect, the output shaft 5 is connected with the first planet row, the first planet row is connected with the brake I14 and the brake II 15, and the second motor 11, the first motor 12, the brake I14, the brake II 15 and the second planet row are all connected with the transmission shell 13.
The second planet row comprises a second outer gear ring 7, a second planet carrier 8, a second planet wheel 9 and a second sun wheel 10; the outer cover of input shaft 3 is equipped with planet carrier two 8 and two 10 of sun gear, planet carrier two 8 and input shaft 3 fixed connection are equipped with a plurality of equal phase place or the equal phase place two 9 of arranging on the parallel planet carrier two 8, planet gear two 9 and two 10 of sun gear and outer ring gear 7 all mesh and are connected, outer ring gear two 7 fixed mounting is on transmission housing 13, sun gear two 10 is connected with the rotor of second motor 11 through the second sleeve pipe, the second sleeve pipe is established on input shaft 3, the stator and the transmission housing 13 fixed connection of second motor 11, second motor 11 are the generating motor.
The first planet row is in a deformed Lavenner form and comprises a first outer gear ring 16, a first planet carrier 17, a third sun gear 18, a first sun gear 19 and a planet wheel set; the fixed cover in the outside of output shaft 5 is equipped with planet carrier 17, and both are connected through integrated into one piece or welding mode, be equipped with the planet wheelset on planet carrier 17, the outside cover of jackshaft 4 is equipped with three sun gear 18 and a sun gear 19, a sun gear 19 is connected through the rotor of first sleeve pipe with first motor 12, first sleeve pipe is established on jackshaft 4, the stator and the 13 fixed connection of derailleur casing of first motor 12, first motor 12 are driving motor, the planet wheelset is connected with the equal meshing of outer ring gear 16, first sun gear 19 and three sun gear 18, three sun gear 18 are connected with the input of two 15 of stopper, outer ring gear 16 is connected with the input of a 14 of stopper, stopper 14 and two 15 of stopper all set up on derailleur casing 13.
The planetary wheel set comprises a first planet wheel 20, a third planet wheel 21 and a fourth planet wheel 22; the planet wheel I20 is meshed with the outer gear ring I16, the sun wheel I19 and the planet wheel IV 22, the planet wheel IV 22 is coaxially connected with the planet wheel III 21, and the planet wheel III 21 is meshed with the sun wheel III 18.
The planetary wheel sets have the same tooth number, the same helix angle, the same pressure angle, the same or different modules;
when the third planet wheel 21 and the fourth planet wheel 22 are machined, the positioning of gear teeth of the third planet wheel 21 and the fourth planet wheel 22 has certain continuity, and a specific relation exists so as to meet assembly;
the engine 1, the input shaft 3, the first motor 12, the first planet row, the second motor 11, the second planet row, the intermediate shaft 4 and the output shaft 5 are coaxially arranged in the integral component, the structure is simple and reasonable, power output is stable, preferably, the outer walls of the first outer gear ring 16 and the second outer gear ring 7 are circumferentially provided with clamping teeth, the inner wall of the transmission shell 13 is provided with clamping grooves in a matching mode at corresponding positions, and the first outer gear ring 16 and the second outer gear ring 7 are respectively clamped and positioned on the inner wall of the transmission shell 13 and are easy to assemble.
A method of operating a two-motor, two-speed planetary-row hybrid transmission in an electric-only mode with one gear, the method comprising the steps of:
s1: the engine 1 and the second electric machine 11 are in a non-operating state, the clutch 6 and the second brake 15 are in a disengaged state, the first brake 14 is in an engaged state, and the first electric machine 12 is in an operating state; a battery carried by the vehicle is adopted to supply power for the first motor 12;
s2: starting the first motor 12 to drive the first sun gear 19 to rotate;
s3: the first sun gear 19 drives the first planet gear 20 to rotate;
s4: in the process, as the brake I14 is in a combined state, the outer gear ring I16 is in a fixed state, and the planet gear I20 drives the planet carrier I17 to rotate;
s5: the first planet carrier 17 drives the output shaft 5 to rotate, and power is output.
Realize through 5 transmission vehicle rear axles of output shaft after the variable speed through first planet row, drive the planet carrier and realize one grade speed reduction velocity ratio to effectively reduce the rotational speed interval of first motor 12, for output shaft 5 provides great moment of torsion, satisfy whole car demand, and can accomplish the switching that advances the fender and the low-speed reverse gear of low-speed through controlling the just reversal of first motor 12, realize vehicle normal operating.
A pure electric mode two-gear transmission method of a double-motor two-gear planet row hybrid transmission comprises the following steps:
s1: the engine 1 and the second electric machine 11 are in a non-operating state, the clutch 6 and the brake one 14 are in a disengaged state, the brake two 15 is in an engaged state, and the first electric machine 12 is in an operating state; the first electric machine 12 is powered by a vehicle-mounted battery,
s2: starting the first motor 12 to drive the first sun gear 19 to rotate actively;
s3: the first sun gear 19 drives the first planet gear 20 to rotate and revolve around the first sun gear 19;
s4: in the process, the second brake 15 is in a combined state, so that the third sun gear 18 is in a fixed state, and the first planet gear 20 drives the fourth planet gear 22 to synchronously rotate;
s5: the planet gear four 22 drives the planet gear three 21 to rotate and revolve around the sun gear three 18, and the planet carrier one 17 is driven to rotate under the action of the planet gear one 20 and the planet gear three 21;
s6: the first planet carrier 17 drives the output shaft 5 to rotate, and power is output.
After speed change is achieved through the first planet row, the rear axle of the vehicle is transmitted through the output shaft 5, the planet carrier is driven to achieve the speed reduction ratio of the second gear, accordingly, the running speed of the vehicle is changed through gear speed ratio switching in a high-efficiency rotating speed interval of the motor, the requirement of the whole vehicle is met, switching between a high-speed forward gear and a high-speed reverse gear can be achieved through controlling the forward rotation and the reverse rotation of the first motor 12, and normal operation of the vehicle is achieved.
A transmission method of an engine direct drive mode of a dual-motor two-gear planet row hybrid transmission, comprising the steps of:
s1: the first electric machine 12 and the second electric machine 11 are put into a non-operating state, the first brake 14 and the second brake 15 are put into a disengaged state, the clutch 6 is put into an engaged state, and the engine 1 is put into an operating state;
s2: starting the engine 1 to drive the input shaft 3 to rotate;
s3: the input shaft 3 drives the intermediate shaft 4 and the output shaft 5 to rotate through the clutch 6, power output is directly transmitted to a rear axle of the vehicle, the vehicle is generally used under a high-speed working condition and is directly driven to run by the engine 1, the engine 1 finishes power output along the coaxial direction in the process, the power output can be seen as a linear speed ratio, the engine 1 is located in a high-efficiency interval, and fuel economy is good.
A method of operating a dual-motor two-speed planetary-row hybrid transmission in a range-extending drive mode, the method comprising the steps of:
s1: the first electric machine 12 and the second electric machine 11 are in a non-operating state, the clutch 6 and the brake 14 are in a disengaged state, the brake 15 is in an engaged state, and the engine 1 is in an operating state;
s2: the engine 1 drives the rotor of the second motor 11 to rotate through the second planet row to provide power for the second motor 11 to generate electricity, the outer gear ring II 7 is of a fixed structure in the process, the engine 1 drives the planet carrier II 8 to actively rotate through the input shaft 3 to drive the sun gear II 10 to increase the speed ratio and adjust the rotor of the second motor 11, and the second motor 11 generates electricity;
s3: the second motor 11 supplies power to the first motor 12;
s4: the first motor 12 is transmitted to the output shaft 5 through a pure electric mode first gear mode or a pure electric mode second gear mode, and power is output.
A method of transmitting a parallel drive mode of a two-motor, two-speed planetary-row hybrid transmission, the method comprising the steps of:
s1: the second electric machine 11 is put into a non-operating state, the first brake 14 and the second brake 15 are put into a disengaged state, the clutch 6 is put into an engaged state, and the engine 1 and the first electric machine 12 are put into an operating state;
s2: the engine 1 transmits power to an output shaft 5 through an input shaft 3, a clutch 6 and an intermediate shaft 4;
s3: the first motor 12 is transmitted to the output shaft 5 through a pure electric mode first gear mode or a pure electric mode second gear mode;
s4: the engine 1 is coupled with the power of the first motor 12 at the output shaft 5, so as to output the power and provide a set of larger power source, and the power source is generally applied to the working condition with larger power and torque requirements, such as high-speed overtaking.
A method of operating a two-motor, two-speed planetary-row hybrid transmission in a park-generating mode, the method comprising the steps of:
s1: the second motor 11 and the first motor 12 are in a non-operating state, the clutch 6, the first brake 14 and the second brake 15 are in a separated state, and the engine 1 is in an operating state;
s2: the engine 1 drives the rotor of the second motor 11 to rotate through the second planet row, and provides power for the second motor 11 to generate electricity.
The utility model discloses when engine 1 is not between the high efficiency interval, the electric energy that first motor 12 as driving motor relied on the battery to provide realizes drive work with pure electric mode, and the utility model discloses two keep off pure electric drive mode under this mode simultaneously, the effectual high efficiency interval of expanding the motor also saves the fuel simultaneously, improves fuel economy.
When the engine 1 reaches a high-efficiency interval, an engine direct-drive mode is adopted, the engine 1 provides power for the second motor 11 to generate power in an extended-range drive mode, the second motor 11 provides electric energy for the first motor 12 to increase the driving mileage, two-gear speed ratio drive is provided through a deformed ravigneaux planetary row, meanwhile, a parallel drive mode can be adopted, the engine 1 and the first motor 12 provide power together to meet working conditions such as high-speed overtaking and the like which need high-power torque, when the vehicle stops and idles, the vehicle enters a parking power generation mode, the engine 1 provides power for the second motor 11 to generate power, waste of power caused by idling of the engine 1 is avoided, the working condition point of the engine 1 is adjusted by controlling the second motor 11 and the first motor 12 to work, the control strategy is simple, and the oil consumption of the engine 1 is reduced.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (4)
1. The utility model provides a double-motor two keeps off planet row and thoughtlessly moves derailleur which characterized in that: the planetary gear transmission comprises an input shaft (3), an intermediate shaft (4), an output shaft (5), a clutch (6), a second motor (11), a first motor (12), a transmission shell (13), a first brake (14), a second brake (15), a first planetary row and a second planetary row; the input end of the input shaft (3) is connected with a power system of the engine (1), the output end of the input shaft (3) is connected with a second motor (11) through a second planet row, the input shaft (3) is connected with the input end of an intermediate shaft (4) through a clutch (6), the intermediate shaft (4) is connected with a first motor (12) through a first planet row, the output end of the intermediate shaft (4) is connected with the input end of an output shaft (5), the output end of the output shaft (5) is in transmission connection with a rear axle of a vehicle, the output shaft (5) is connected with a first planet row, the first planet row is connected with a first brake (14) and a second brake (15), and the second motor (11), the first motor (12), the first brake (14), the second brake (15) and the second planet row are all connected with a transmission shell (13).
2. The two-motor two-speed planetary-row hybrid transmission according to claim 1, characterized in that: the second planet row comprises a second outer gear ring (7), a second planet carrier (8), a second planet wheel (9) and a second sun wheel (10); the outside cover of input shaft (3) is equipped with planet carrier two (8) and sun gear two (10), planet carrier two (8) and input shaft (3) fixed connection are equipped with planet wheel two (9) on parallel planet carrier two (8), planet wheel two (9) are connected with sun gear two (10) and outer ring gear two (7) equal meshing, outer ring gear two (7) fixed mounting is on derailleur casing (13), sun gear two (10) are connected with second motor (11), second motor (11) and derailleur casing (13) fixed connection.
3. A two-motor two-speed planetary-row hybrid transmission according to claim 1 or 2, characterized in that: the first planet row comprises a first outer gear ring (16), a first planet carrier (17), a third sun gear (18), a first sun gear (19) and a planet wheel set; the fixed cover in the outside of output shaft (5) is equipped with planet carrier (17), be equipped with the planetary wheel group on planet carrier (17), the outside cover of jackshaft (4) is equipped with sun gear three (18) and sun gear (19), sun gear (19) are connected with first motor (12), first motor (12) and derailleur casing (13) fixed connection, the planetary wheel group is connected with outer ring gear (16), sun gear (19) and the equal meshing of sun gear three (18), sun gear three (18) are connected with the input of stopper two (15), outer ring gear (16) are connected with the input of stopper one (14), stopper one (14) and stopper two (15) all set up on derailleur casing (13).
4. A two-motor, two-speed planetary-row hybrid transmission according to claim 3, characterized in that: the planetary gear set comprises a first planetary gear (20), a third planetary gear (21) and a fourth planetary gear (22); the planet wheel I (20) is meshed with the outer gear ring I (16), the sun wheel I (19) and the planet wheel IV (22), the planet wheel IV (22) is coaxially connected with the planet wheel III (21), and the planet wheel III (21) is meshed with the sun wheel III (18).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221353246.3U CN217623106U (en) | 2022-05-31 | 2022-05-31 | Double-motor two-gear planet row hybrid transmission |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221353246.3U CN217623106U (en) | 2022-05-31 | 2022-05-31 | Double-motor two-gear planet row hybrid transmission |
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| CN217623106U true CN217623106U (en) | 2022-10-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115071403A (en) * | 2022-05-31 | 2022-09-20 | 哈尔滨东安汽车发动机制造有限公司 | Double-motor two-gear planet row hybrid transmission and transmission method thereof |
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2022
- 2022-05-31 CN CN202221353246.3U patent/CN217623106U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115071403A (en) * | 2022-05-31 | 2022-09-20 | 哈尔滨东安汽车发动机制造有限公司 | Double-motor two-gear planet row hybrid transmission and transmission method thereof |
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