CN106740045B - Driving system of hybrid electric vehicle - Google Patents

Driving system of hybrid electric vehicle Download PDF

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Publication number
CN106740045B
CN106740045B CN201710066199.1A CN201710066199A CN106740045B CN 106740045 B CN106740045 B CN 106740045B CN 201710066199 A CN201710066199 A CN 201710066199A CN 106740045 B CN106740045 B CN 106740045B
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gear
planet
planet row
row
ring
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CN106740045A (en
Inventor
毛江
牛波
吴守国
张永顺
袁忻
马原明
邓旺
苗文慧
陈亚军
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Chongqing Tsingshan Industrial Co Ltd
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Chongqing Tsingshan Industrial Co Ltd
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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
    • 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
    • B60K6/24—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 combustion engines
    • 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
    • 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
    • B60K6/365—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 with the gears having orbital motion
    • 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
    • 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
    • B60K6/543—Transmission for changing ratio the transmission being a continuously variable transmission
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
    • B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
    • B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
    • B60T1/062—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels acting on transmission parts
    • 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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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structure Of Transmissions (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

The invention provides a hybrid power automobile driving system with good power matching performance, good gear shifting smoothness and high working efficiency, wherein a crankshaft of an engine is sequentially connected with a clutch and a first sun gear of a first planet row from left to right, a motor shaft of a driving motor is fixedly connected with a second sun gear of a second planet row, a first gear and a third gear are respectively and fixedly connected with a first planet carrier and a second planet carrier of the first planet row and the second planet row and are respectively meshed with a second gear and a fourth gear, the second gear and the fourth gear are fixedly arranged on a connecting shaft in a left-right parallel mode, the right end of the connecting shaft is connected with a brake, a first gear ring and a second gear ring of the first planet row and the second planet row are fixedly connected, the first gear ring and the second gear ring are fixedly connected with an outer gear ring through outer edges, the gear teeth numbers of the first sun gear and the second sun gear of the first planet row and the second planet row are different or the gear teeth numbers of the first gear ring and the second gear ring of the first planet row and the second planet row are different Are not identical.

Description

Driving system of hybrid electric vehicle
Technical Field
The invention relates to a hybrid electric vehicle, in particular to a hybrid electric vehicle driving system.
Background
The hybrid vehicle driving system should generally have functions of power mode switching, matching of the engine and the driving motor, and the like. Therefore, in a common hybrid electric vehicle driving system on the market, an engine is directly connected with a driving motor, the power can be output well only by ensuring the consistent rotating speed of the two parts of power in a hybrid mode, the matching performance is poor, and the functions of large torque and continuous speed regulation of the driving motor cannot be fully exerted; the change of the transmission ratio under the hybrid mode is discontinuous, gear shifting impact exists, and the engine is difficult to work in a high-efficiency area, so that the gear shifting smoothness is poor and the working efficiency is not high; meanwhile, the engine is directly connected with the driving motor, and when the single engine, the pure electric power mode and the hybrid power mode are switched, the impact on a power system is large, and smooth switching is often difficult to complete.
Disclosure of Invention
The invention aims to solve the technical problem of providing a hybrid electric vehicle driving system which has the advantages of good power matching, good gear shifting smoothness, high working efficiency and smooth switching.
In order to solve the technical problems, the invention adopts the following technical scheme;
the utility model provides a hybrid vehicle actuating system, includes engine, clutch including the bent axle to and contain the driving motor of motor shaft, its characterized in that: the engine comprises a crankshaft, a clutch and a first sun gear of the first planet row, a motor shaft of the driving motor is fixedly connected with a second sun gear of the second planet row, the first gear and the third gear are respectively fixedly connected with a first planet carrier of the first planet row and a second planet carrier of the second planet row and are respectively meshed with a second gear and a fourth gear, the second gear and the fourth gear are fixedly arranged on the left and right side in parallel, the right end of the connecting shaft is connected with the brake, the first gear ring of the first planet row is fixedly connected with a second gear ring of the second planet row, and the first planet ring gear of the first planet row is fixedly connected with the second planet ring gear of the second planet row and is fixedly connected with the connecting shaft of the first planet row The first gear ring and the second gear ring of the second planet row are fixedly connected with the outer gear ring through the outer edge, the first sun gear of the first planet row is positioned in the first planet carrier, the first planet wheel is rotatably installed on the first planet carrier, the first gear ring is positioned outside the first planet carrier, the second sun gear of the second planet row is positioned in the second planet carrier, the second planet wheel is rotatably installed on the second planet carrier, the second gear ring is positioned outside the second planet carrier, the tooth numbers of the first sun gear of the first planet row and the second sun gear of the second planet row are different, or the tooth numbers of the first gear ring of the first planet row and the second gear ring of the second planet row are different.
With the structure, the engine can drive the first sun gear of the first planet row and the second sun gear of the second planet row, namely, the power of the engine and the driving motor is coupled through the first planet row and the second planet row. Therefore, the power characteristic of continuous speed change of the engine and the large torque of the driving motor can be matched by setting the parameters of the first planetary row and the second planetary row, so that in the hybrid mode, the power can be well output without simultaneously ensuring the consistency of the power rotating speeds of the engine and the driving motor, and the matching performance is good. Meanwhile, under the pure electric and hybrid power modes, stepless speed change can be realized through the speed regulation of the driving motor, so that the gear shifting smoothness is good, and the working efficiency is higher. In addition, the first planet carrier of the first planet row and the second planet carrier of the second planet row can be braked or released by the brake, so that the switching of the power modes is smooth.
Further, the clutch is a dry clutch. The clutch has the advantages of simple structure, low control difficulty and low cost, so that the structure of the clutch is simple, and the control difficulty and the cost are low.
Further, the number of teeth of the first gear and the third gear is larger than the number of teeth of the second gear and the fourth gear, respectively. This makes the brake require a small torque and is small and low cost. Therefore, the required moment of the invention is small, the volume is small, and the cost is low.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1, the hybrid vehicle drive system of the present invention includes an engine 1 including a crankshaft 2, a clutch 3, and a drive motor 4 including a motor shaft 5. As shown in fig. 1, the present invention further includes a first gear 6, a second gear 7, a third gear 8, a fourth gear 9, a connecting shaft 10, a brake 15, an outer ring gear 20, a first planetary row including a first sun gear 11, a first planet gear 12, a first planet carrier 13, a first ring gear 14, and a second planetary row including a second sun gear 16, a second planet gear 17, a second planet carrier 18, and a second ring gear 19, wherein the crankshaft 2 of the engine 1 is connected with the clutch 3 and the first sun gear 11 of the first planetary row from left to right, the motor shaft 5 of the driving motor 4 is fixedly connected with the second sun gear 16 of the second planetary row, the first gear 6 and the third gear 8 are fixedly connected with the first planet carrier 13 of the first planetary row and the second planet carrier 18 of the second planetary row respectively and are engaged with the second gear 7 and the fourth gear 9 respectively, the second gear 7 and the fourth gear 9 are fixedly mounted on the connecting shaft 10 in parallel from left to right, the right end of the connecting shaft 10 is connected with a brake 15, the first gear ring 14 of the first planet row is fixedly connected with the second gear ring 19 of the second planet row, the first gear ring 14 of the first planet row and the second gear ring 19 of the second planet row are fixedly connected with an outer gear ring 20 through outer edges, the first sun gear 11 of the first planetary row is located inside the first planet carrier 13, the first planet gears 12 are rotatably mounted on the first planet carrier 13, the first ring gear 14 is located outside the first planet carrier 13, the second sun gear 16 of said second row is located inside the second planet carrier 18, the second planet gears 17 are rotatably mounted on the second planet carrier 18, the second annulus gear 19 is located outside the second planet carrier 18, the number of teeth of the first sun gear 11 of the first planetary row is different from that of the second sun gear 16 of the second planetary row or the number of teeth of the first ring gear 14 of the first planetary row is different from that of the second ring gear 19 of the second planetary row. In this way, the present invention can drive the first sun gear 11 of the first planetary row by the engine 1 and drive the second sun gear 16 of the second planetary row by the driving motor 4, i.e. the power of the engine 1 and the driving motor 4 is coupled by the first planetary row and the second planetary row. Therefore, the power characteristics of the continuous speed change of the engine 1 and the large torque of the driving motor 4 can be matched by setting the parameters of the first planetary gear set and the second planetary gear set, so that in the hybrid mode, the power can be output well without simultaneously ensuring the power rotating speeds of the engine 1 and the driving motor 4 to be consistent, and the matching performance is good. Meanwhile, under the pure electric and hybrid power modes, stepless speed change can be realized through the speed regulation of the driving motor 4, so that the gear shifting smoothness is good, and the working efficiency is higher. In addition, the first planet carrier 13 of the first planet row and the second planet carrier 18 of the second planet row can be braked or released by the brake 15, so that the switching of the power mode is smooth.
The clutch 3 is a dry clutch. This makes the structure of the clutch 3 simpler, the control difficulty lower, the cost is lower, thus make the structure of the invention simpler too, control difficulty and cost lower too.
The number of teeth of the first gear 6 and the third gear 8 is larger than that of the second gear 7 and the fourth gear 9, respectively. This results in a low torque requirement for the brake 15 and a small size and low cost. Therefore, the required moment of the invention is small, the volume is small, and the cost is low.
The working principle of the invention is as follows:
a single engine mode; the engine 1 works, the driving motor 4 does not work, the clutch 3 is combined, and the brake 15 brakes. The engine 1 transmits power to the first sun gear 11 of the first planetary row through the crankshaft 2 and the clutch 3, at this time, the brake 15 brakes the connecting shaft 10, the second gear 7, the first gear 6 and the first planet carrier 13 at the same time, and as the first planet carrier 13 of the first planetary row is braked, the power is transmitted to the outer gear ring 20 fixedly connected with the first gear ring 14 of the first planetary row through the first gear ring 14 of the first planetary row, and finally the power is transmitted out through the outer gear ring 20.
A pure electric mode; the engine 1 does not work, the driving motor 4 works, the clutch 3 is disconnected, and the brake 15 brakes. The driving motor 4 transmits power to the second sun gear 16 of the second planetary gear set through the motor shaft 5, at this time, the brake 15 simultaneously brakes the connecting shaft 10, the fourth gear 9, the third gear 8 and the second planet carrier 18, and as the second planet carrier 18 of the second planetary gear set is braked, the power is transmitted to the outer gear ring 20 fixedly connected with the second ring gear 19 of the second planetary gear set by the second ring gear 19 of the second planetary gear set, and finally the power is transmitted out by the outer gear ring 20.
A hybrid mode; the engine 1 works, the driving motor 4 works, the clutch 3 is combined, and the brake 15 is released. The engine 1 transmits power to the first clutch 3 and the first sun gear 11 of the first planet row in sequence through the crankshaft 2, and the driving motor 4 transmits power to the second sun gear 16 of the second planet row through the motor shaft 5; the first planet row and the second planet row form two power flows, the first power flow is sequentially transmitted to the first gear 6 and the second gear 7 by the first planet carrier 13, the second power flow is sequentially transmitted to the third gear 8 and the fourth gear 9 by the second planet carrier 18 and the second planet carrier 18, the two power flows are coupled on the connecting shaft 10 which is fixedly connected with the second gear 7 and the fourth gear 9 at the same time, the first gear ring 14 of the first planet row and the second gear ring 19 of the second planet row are fixedly connected to transmit power to the outer gear ring 20, and finally the power is transmitted out by the outer gear ring 20.
Starting the engine; the engine 1 is to be started, the driving motor 4 works, the clutch 3 is combined, and the brake 15 brakes. The first planet carrier 13 of the first planet row and the second planet carrier 18 of the second planet row are simultaneously braked by the brake 15, the driving motor 4 transmits power to the second sun gear 16 by the motor shaft 5, the second planet row transmits power to the first ring gear 14 through the second ring gear 19 under the condition that the second planet carrier 18 is braked, the first planet row transmits power through the first sun gear 11 under the condition that the first planet carrier 13 is braked, the power is finally transmitted to the crankshaft 2 of the engine 1 by the first clutch 3, and the engine 1 is started by the rotation of the crankshaft 2.
A charging mode; the engine 1 is operated, the driving motor 4 is turned into a power generation state, the clutch 3 is engaged, and the brake 15 is braked. The first planet carrier 13 of the first planet row and the second planet carrier 18 of the second planet row are braked simultaneously by the brake 15, the engine 1 transmits power to the first sun gear 11 by the crankshaft 2 and the first clutch 3, the first planet row transmits power to the second ring gear 19 through the first ring gear 14 under the condition that the first planet carrier 13 is braked, the second planet row transmits power to the motor shaft 5 through the second sun gear 16 under the condition that the second planet carrier 18 is braked, and the motor shaft 5 rotates to drive the driving motor 4 in a power generation state to generate power.
Energy recovery; the engine 1 does not operate, the drive motor 4 is in a power generation state, the clutch 3 is disconnected, and the brake 15 brakes. When the vehicle is driven, the power from the wheels is finally transmitted to the outer ring gear 20, and the second carrier 18 of the second planetary gear set is braked by the brake 15, the power is transmitted to the motor shaft 5 by the second sun gear 16 of the second planetary gear set, and the motor shaft 5 rotates to drive the driving motor 4 in the power generation state to generate power.
While the preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims (3)

1. A hybrid vehicle drive system includes an engine (1) including a crankshaft (2), a clutch (3), and a drive motor (4) including a motor shaft (5), characterized in that: also comprises a first gear (6), a second gear (7), a third gear (8), a fourth gear (9), a connecting shaft (10), a brake (15), an outer gear ring (20), a first planet row containing a first sun gear (11), a first planet wheel (12), a first planet carrier (13) and a first gear ring (14), and a second planet row containing a second sun gear (16), a second planet wheel (17), a second planet carrier (18) and a second gear ring (19),
a crankshaft (2) of the engine (1) is sequentially connected with the clutch 3 and a first sun gear (11) of the first planet row from left to right,
a motor shaft (5) of the driving motor (4) is fixedly connected with a second sun gear (16) of the second planet row,
the first gear (6) and the third gear (8) are respectively fixedly connected with a first planet carrier (13) of the first planet row and a second planet carrier (18) of the second planet row and are respectively meshed with the second gear (7) and the fourth gear (9),
the second gear (7) and the fourth gear (9) are fixedly arranged on the connecting shaft (10) in parallel from left to right,
the right end of the connecting shaft (10) is connected with a brake (15),
the first gear ring (14) of the first planet row is fixedly connected with the second gear ring (19) of the second planet row, the first gear ring (14) of the first planet row and the second gear ring (19) of the second planet row are fixedly connected with the outer gear ring (20) through the outer edge,
the first sun gear (11) of the first planet row is positioned in the first planet carrier (13), the first planet gear (12) is rotatably arranged on the first planet carrier (13), the first gear ring (14) is positioned outside the first planet carrier (13),
the second sun gear (16) of the second planet row is located inside the second planet carrier (18), the second planet gears (17) are rotatably mounted on the second planet carrier (18), the second ring gear (19) is located outside the second planet carrier (18),
the number of teeth of the first sun gear (11) of the first planet row is different from that of the second sun gear (16) of the second planet row, or the number of teeth of the first gear ring (14) of the first planet row is different from that of the second gear ring (19) of the second planet row.
2. The hybrid vehicle drive system according to claim 1, characterized in that: the clutch (3) is a dry clutch.
3. The hybrid vehicle drive system according to claim 1, characterized in that: the number of teeth of the first gear (6) and the third gear (8) is larger than that of the second gear (7) and the fourth gear (9), respectively.
CN201710066199.1A 2017-02-06 2017-02-06 Driving system of hybrid electric vehicle Active CN106740045B (en)

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CN110788847B (en) * 2019-11-22 2021-01-15 合肥工业大学 Energy-saving industrial robot with auxiliary driving unit

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