CN111347869A - Three-gear transmission for hybrid electric vehicle - Google Patents
Three-gear transmission for hybrid electric vehicle Download PDFInfo
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- CN111347869A CN111347869A CN202010193367.5A CN202010193367A CN111347869A CN 111347869 A CN111347869 A CN 111347869A CN 202010193367 A CN202010193367 A CN 202010193367A CN 111347869 A CN111347869 A CN 111347869A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/54—Transmission for changing ratio
- B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
Abstract
The invention discloses a three-gear transmission for a hybrid electric vehicle, which comprises a solid input shaft, a hollow input shaft, an output shaft, a differential and a double clutch, wherein the double clutch comprises a clutch I and a clutch II; the clutch I is fixedly connected with one end of the solid input shaft, which is far away from the clutch I, the solid input shaft is in transmission connection with the output shaft through an odd-numbered gear group, and the hollow input shaft is in transmission connection with the output shaft through an even-numbered gear group; the second electric machine is directly connected to the differential and transmits electric power to the differential. The invention is mainly embodied in that: the odd gears and the even gears can be alternately combined and separated under the cooperation of the clutch I and the clutch II so as to avoid the phenomenon of power interruption during the gear shifting. When two continuous gears are odd gears or even gears, the two continuous gears cannot be pre-combined, and the pre-combination and combination states are controlled through the TCU.
Description
Technical Field
The invention relates to the technical field of hybrid vehicles, in particular to a three-gear transmission for a hybrid vehicle.
Background
At present, hybrid electric vehicles in new energy vehicles in China develop most rapidly. A hybrid vehicle is a vehicle that uses a variety of energy sources, typically a conventional engine that uses liquid fuel and an electric motor driven vehicle that uses electric energy. Hybrid vehicles can be driven in various modes, and hybrid transmissions at present can generally perform operation modes such as engine-only driving, motor-only driving, and simultaneous driving of the engine and the motor.
A three-gear hybrid transmission in the prior art is realized by adding a driving motor on the existing transmission on the premise of minimum change of the existing transmission. However, this type of hybrid transmission has problems that (1) gears are orderly arranged on the input shaft due to position limitations of the differential, the input shaft, etc. and an improper arrangement of the transmission mechanism, which easily causes a power interruption phenomenon during gear shifting, and affects normal driving of the vehicle. (2) Adopt 2 or more than 2 output shafts, in addition the driving motor who increases, the appearance profile that can make whole derailleur changes great, and newly-increased motor is more close to the driver's cabin, and when the vehicle collided like this, the derailleur can take place to overturn to the driver's cabin, and then oppresses the steering tube and destroys a steering system, and this will greatly reduce whole car security.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a three-gear transmission for a hybrid electric vehicle.
The purpose of the invention is realized by the following technical scheme:
a three-gear transmission for a hybrid electric vehicle comprises,
a solid input shaft;
the hollow input shaft is sleeved on the solid input shaft;
the double clutch comprises a clutch I and a clutch II, wherein the clutch I is connected between an engine and the solid input shaft, and the clutch II is connected between the engine and the hollow input shaft;
an output shaft disposed parallel to the solid input shaft;
the differential is used for receiving the power transmitted by the output shaft;
also comprises a first motor and a second motor,
the first motor is fixedly connected with one end of the solid input shaft, which is far away from the clutch I, the solid input shaft is in transmission connection with the output shaft through an odd-numbered gear group, and the hollow input shaft is in transmission connection with the output shaft through an even-numbered gear group; the second electric machine is directly connected to the differential and transmits electric power to the differential.
Preferably, the second electrical machine has a wheelbase equivalent to the sum of the lengths of the first electrical machine and the solid input shaft.
Preferably, the first motor is a short-wheelbase flat motor, and the second motor is a high-speed high-efficiency long-wheelbase motor.
Preferably, the even number gear group comprises a driving gear II fixedly arranged on the hollow input shaft and a driven gear II fixedly arranged on the output shaft, and the driving gear II is meshed with the driven gear II.
Preferably, the odd-numbered gear group comprises a driving gear I and a driving gear III which are sleeved on the solid input shaft in a hollow mode, and a driven gear I and a driven gear III which are fixedly connected to the output shaft and meshed with the driving gear I and the driving gear III respectively.
Preferably, a three-gear synchronizer arranged on the solid input shaft is arranged between the driving gear I and the driving gear III.
Preferably, a transmission gear I is fixedly arranged on the output shaft and meshed with a main reduction gear of the differential.
Preferably, a motor shaft gear II is fixedly arranged on a motor shaft of the second motor, the motor shaft gear is in transmission connection with a connecting gear fixedly arranged on a short idler shaft, a transmission gear II is further fixedly arranged on the short idler shaft, and the transmission gear II is meshed with a main reduction gear of the differential.
Preferably, a damping piece is further arranged between the engine and the double clutches.
The invention has the following beneficial effects:
1. the odd gears and the even gears can be alternately combined and separated under the cooperation of the clutch I and the clutch II so as to avoid the phenomenon of power interruption during the gear shifting. When two continuous gears are odd gears or even gears, the two continuous gears cannot be pre-combined, and the pre-combination and combination states are controlled by the TCU;
2. only one output shaft is provided, in addition, the special position of the motor can ensure that the center of gravity of the whole speed changer moves downwards, when a vehicle collides, even if the speed changer turns over to a cab, a steering pipe cannot be pressed, and the safety of the whole vehicle is greatly improved;
3. the special gear arrangement structure ensures that the motor has enough space to ensure the driving power of the motor;
4. the reverse gear in the traditional sense is removed, and the transmission gear II is driven by the second motor to realize the reverse gear;
5. the power difference value supplemented by the second motor in the engine gear shifting process ensures that the power is not interrupted when the system is shifted, so that the driving comfort is improved;
6. the engine can work in any gear, so that intervention in a larger range is realized, and the engine is suitable for more complicated working conditions and has wider applicability;
7. the transmission is more compact, light in weight and small in size, and is favorable for carrying the whole vehicle.
Drawings
The technical scheme of the invention is further explained by combining the accompanying drawings as follows:
FIG. 1: the invention has a structure schematic diagram.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art in light of these embodiments are intended to be within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. Either mechanically or electrically. They may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, the present invention discloses a three-speed transmission for a hybrid vehicle, including: the solid input shaft 1 and the hollow input shaft 3 are arranged in a transmission shell and can rotate, the hollow input shaft 3 is sleeved on the solid input shaft 1, the hollow input shaft 3 and the solid input shaft 1 are both connected to the double clutch 2, specifically, the double clutch 2 comprises a clutch I21 and a clutch II22, the clutch I21 is connected between an engine and the solid input shaft 1, and the clutch II22 is connected between the engine and the hollow input shaft 3. In addition, both the solid input shaft 1 and the hollow input shaft 3 can be used for receiving engine power. As in the prior art, a damping member 10 such as a damping disc or a flywheel is provided as required in the power transmission path of the engine to provide inertia and stable output.
In the invention, only one output shaft 4 parallel to the solid input shaft 1 is arranged in the transmission shell, the output shaft 4 is in transmission connection with the solid input shaft 1 through an odd gear group 8, and the output shaft 43 is in transmission connection with the hollow input shaft through an even gear group 9. In the above, the odd-numbered gear shift group and the even-numbered gear shift group can be alternately engaged and disengaged under the cooperation of the clutch I and the clutch II, so as to avoid the power interruption phenomenon during the gear shifting. When two continuous gears are odd gears or even gears, the two continuous gears cannot be pre-combined, and the pre-combination and combination states are controlled through the TCU.
Specifically, the even-numbered gear shift group 9 includes a driving gear II91 fixed on the hollow input shaft 3 and a driven gear II92 fixed on the output shaft 4, and the driving gear II91 is meshed with the driven gear II 92. The odd-numbered gear group 8 comprises a driving gear I81 and a driving gear III82 which are sleeved on the solid input shaft 1 in an empty mode, and a driven gear I83 and a driven gear III84 which are fixedly connected to the output shaft 4 and meshed with the driving gear I81 and the driving gear III82, wherein a three-gear synchronizer 85 arranged on the solid input shaft 1 is arranged between the driving gear I81 and the driving gear III 82.
The output shaft 4 is further fixedly provided with a transmission gear I41, and the transmission gear I41 is meshed with the main reduction gear 51 of the differential 5, so that the differential 5 receives the power output by the output shaft 4.
The invention also comprises a first motor 6 and a second motor 7, and a special gear arrangement structure ensures that the motors have enough space to ensure the driving power of the motors. Specifically, first motor 6 with solid input shaft 1 keeps away from clutch I21's one end rigid coupling, the special position setting of first motor can also ensure that the focus of whole derailleur moves down, and when the vehicle collided, even the derailleur took place the upset to the driver's cabin, can not oppress the steering tube yet, had greatly improved whole car security. The second electric machine 7 is directly connected to the differential 5 and transmits electric power to the differential 5.
A motor shaft gear II71 is fixedly arranged on a motor shaft of the second motor 7, the motor shaft gear 71 is in transmission connection with a connecting gear 73 fixedly arranged on a short idler shaft 72, a transmission gear II74 is also fixedly arranged on the short idler shaft 72, and the transmission gear II74 is meshed with the main reduction gear 51 of the differential 5.
Preferably, the first motor 6 is a short-wheelbase flat motor, the second motor 7 is a high-speed high-efficiency long-wheelbase motor, and the wheelbase of the second motor 7 is equal to the sum of the lengths of the first motor 6 and the solid input shaft 1.
The working process of the invention is briefly described as follows:
when the vehicle starts, the second electric machine 7 is electrically driven. Meanwhile, the clutch I21 is in a separation state, the clutch II22 is in an engagement state, the first motor 6 is started, the first motor 6 starts the engine in advance, when the engine runs to a vehicle speed of working in a high-efficiency economic area, the clutch II22 is separated, the clutch I21 is engaged, at the moment, the engine drives the solid input shaft 1 to rotate, and the solid input shaft 1 rotates to transmit power to the differential 5 through the three-gear synchronizer, the driving gear I81, the driven gear I83 output shaft 4 and the transmission gear I41 in sequence, so that parallel hybrid motion is started.
When the vehicle is in two gear, the clutch I21 is in a separated state, the clutch II22 is in a combined state, the engine drives the hollow input shaft 3 to rotate, and the hollow input shaft 3 transmits power to the differential 5 sequentially through the driving gear II91, the driven gear II92, the output shaft 4 and the transmission gear I41. At the same time, the second electric machine 7 can also be electrically driven.
When the vehicle is in the third gear, the working process is similar to the first gear, and therefore, the description is not repeated herein.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (9)
1. A three-speed transmission for a hybrid vehicle includes,
a solid input shaft (1);
the hollow input shaft (3) is sleeved on the solid input shaft (1);
a dual clutch (2) comprising a clutch I (21) and a clutch II (22), said clutch I (21) being connected between the engine and the solid input shaft (1), said clutch II (22) being connected between said engine and the hollow input shaft (3);
an output shaft (4) arranged parallel to the solid input shaft (1);
a differential (5) for receiving the power transmitted by the output shaft (4);
the method is characterized in that: also comprises a first motor (6) and a second motor (7),
the first motor (6) is fixedly connected with one end, far away from the clutch I (21), of the solid input shaft (1), the solid input shaft (1) is in transmission connection with the output shaft (4) through an odd gear group (8), and the hollow input shaft (3) is in transmission connection with the output shaft (4) through an even gear group (9); the second electric machine (7) is directly connected to the differential (5) and transmits electric power to the differential (5).
2. The three-speed transmission for a hybrid vehicle according to claim 1, characterized in that: the wheelbase of the second electric machine (7) corresponds to the sum of the lengths of the first electric machine (6) and the solid input shaft (1).
3. The three-speed transmission for a hybrid vehicle according to claim 1, characterized in that: the first motor (6) is a short-wheelbase flat motor, and the second motor (7) is a high-speed high-efficiency long-wheelbase motor.
4. The three-speed transmission for a hybrid vehicle according to claim 1, characterized in that: the even gear group (9) comprises a driving gear II (91) fixedly arranged on the hollow input shaft (3) and a driven gear II (92) fixedly arranged on the output shaft (4), and the driving gear II (91) is meshed with the driven gear II (92).
5. The three-speed transmission for a hybrid vehicle according to claim 1, characterized in that: the odd gear group (8) comprises a driving gear I (81) and a driving gear III (82) which are sleeved on the solid input shaft (1) in an empty mode, and a driven gear I (83) and a driven gear III (84) which are fixedly connected to the output shaft (4) and meshed with the driving gear I (81) and the driving gear III (82) respectively.
6. The three-speed transmission for a hybrid vehicle according to claim 5, wherein: and a three-gear synchronizer (85) is arranged between the driving gear I (81) and the driving gear III (82) and is arranged on the solid input shaft (1).
7. The three-speed transmission for a hybrid vehicle according to claim 4 or 5, characterized in that: the output shaft (4) is further fixedly provided with a transmission gear I (41), and the transmission gear I (41) is meshed with a main reduction gear (51) of the differential (5).
8. The three-speed transmission for a hybrid vehicle according to claim 1, characterized in that: a motor shaft gear II (71) is fixedly arranged on a motor shaft of the second motor (7), the motor shaft gear (71) is in transmission connection with a connecting gear (73) fixedly arranged on a short idle wheel shaft (72), a transmission gear II (74) is further fixedly arranged on the short idle wheel shaft (72), and the transmission gear II (74) is meshed with a main speed reduction gear (51) of the differential (5).
9. The three-speed transmission for a hybrid vehicle according to claim 1, characterized in that: and a damping piece (10) is also arranged between the engine and the double clutch (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010193367.5A CN111347869A (en) | 2020-03-18 | 2020-03-18 | Three-gear transmission for hybrid electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010193367.5A CN111347869A (en) | 2020-03-18 | 2020-03-18 | Three-gear transmission for hybrid electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111347869A true CN111347869A (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010193367.5A Pending CN111347869A (en) | 2020-03-18 | 2020-03-18 | Three-gear transmission for hybrid electric vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112744065A (en) * | 2019-10-30 | 2021-05-04 | 比亚迪股份有限公司 | Hybrid power system and vehicle with same |
| DE202020106920U1 (en) | 2020-12-01 | 2021-12-02 | GETEC Getriebe Technik GmbH | Hybrid drive arrangement for a drive axle of a motor vehicle |
-
2020
- 2020-03-18 CN CN202010193367.5A patent/CN111347869A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112744065A (en) * | 2019-10-30 | 2021-05-04 | 比亚迪股份有限公司 | Hybrid power system and vehicle with same |
| DE202020106920U1 (en) | 2020-12-01 | 2021-12-02 | GETEC Getriebe Technik GmbH | Hybrid drive arrangement for a drive axle of a motor vehicle |
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