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CN110949116B - Hybrid power system based on engine and double motors - Google Patents

Hybrid power system based on engine and double motors Download PDF

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Publication number
CN110949116B
CN110949116B CN201911350759.1A CN201911350759A CN110949116B CN 110949116 B CN110949116 B CN 110949116B CN 201911350759 A CN201911350759 A CN 201911350759A CN 110949116 B CN110949116 B CN 110949116B
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CN
China
Prior art keywords
shaft
main box
box
intermediate shaft
main
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CN201911350759.1A
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Chinese (zh)
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CN110949116A (en
Inventor
孙艳茹
罗光涛
聂幸福
杨淼
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Xian Fast Auto Drive Co Ltd
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Xian Fast Auto Drive Co Ltd
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Priority to CN201911350759.1A priority Critical patent/CN110949116B/en
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Classifications

    • 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
    • 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 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 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 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 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
    • 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 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 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 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
    • 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 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 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 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
    • 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 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
    • 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
    • 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 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 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 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
    • B60K2006/266—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 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 with two coaxial motors or generators
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

In order to solve the technical problems of overlarge axial size, heavy weight, complex processing technology and poor economy of a power assembly of the traditional parallel hybrid power device, the invention provides a hybrid power system based on an engine and double motors, which is improved on the basis of the traditional parallel hybrid power device, two motors are arranged at the tail end of a middle shaft of a gearbox, and the two motors are connected with the tail end of the middle shaft of the gearbox through adding two meshing gear sets. Compared with the traditional P2 architecture, the motor with smaller torque and power can be selected, the axial size of the power assembly is shortened, and the whole vehicle is convenient to install.

Description

Hybrid power system based on engine and double motors
Technical Field
The invention relates to a hybrid power system based on an engine and a double motor.
Background
The hybrid electric vehicle integrates the advantages of the fuel oil vehicle and the electric vehicle, and is an energy-saving and environment-friendly vehicle with realistic development significance and industrialization prospect at present.
The traditional parallel hybrid power device is mainly based on a P2 architecture, namely, a motor is arranged between a clutch and a transmission, and the structure needs to select a motor with high power and large torque, so that the axial size of a power assembly is overlarge, the weight is large, and the development cost is high; the traditional P2 architecture is complex in machining process of the internal spline of the blind hole of the motor shaft connected with the main box through a shaft, and is not wide enough in adaptation to the box; and the power source of the traditional power takeoff is mainly provided by an automobile engine, the power takeoff power transmission path is longer, so that the power takeoff has higher oil consumption and poor economy.
Disclosure of Invention
The invention provides a hybrid power system based on an engine and a double motor, which aims to solve the technical problems of overlarge axial size, heavy weight, complex processing technology and poor economical efficiency of a power assembly of a traditional parallel hybrid power device.
The technical scheme of the invention is as follows:
The hybrid power system based on the engine and the double motors comprises the engine, a clutch, a gearbox and a motor module; the special feature is that:
the device also comprises a meshing gear set module;
the engine, the clutch, the gearbox, the meshing gear set module and the motor module are connected in sequence;
the motor module comprises a first motor and a second motor; the meshing gear set module comprises a first meshing gear set and a second meshing gear set;
The power of the first motor is input into the gearbox through the first meshing gear set, and the power of the second motor is input into the gearbox through the second meshing gear set.
Further, the gearbox is an automatic single-box mechanical gearbox.
Further, the gearbox comprises a primary box shaft, a primary box intermediate shaft A, a primary box intermediate shaft B, a primary box secondary shaft, a plurality of sliding sleeves and a flange plate;
The main box I shaft and the main box II shaft are coaxially arranged, an external spline at the output end of the main box II shaft is meshed with an internal spline at the input end of the flange, and the output end of the flange is a power output end of the whole hybrid power system;
the input end of the primary box primary shaft is connected with the clutch, and the output end of the primary box primary shaft is provided with a primary box primary shaft tail end gear;
the main box intermediate shaft A and the main box intermediate shaft B are fixedly connected with a main box intermediate shaft transmission gear and a plurality of main box intermediate shaft gear;
a plurality of main box two-shaft gear wheels are arranged on the main box two-shaft, and the main box two-shaft gear wheels can be combined with the main box two-shaft through sliding sleeves;
The main box one-shaft tail end gear on the main box one-shaft is in a constant meshing state with the main box intermediate shaft transmission gears on the main box intermediate shaft A and the main box intermediate shaft B;
The main box intermediate shaft A and the main box intermediate shaft B are in one-to-one corresponding constant engagement with the main box two-shaft gear on the main box two-shaft;
The main box intermediate shaft A is connected with the output end of the first motor through a first meshing gear set, and the main box intermediate shaft B is connected with the output end of the second motor through a second meshing gear set.
Or the gearbox is an automatic main and auxiliary gearbox mechanical gearbox.
Further, the gearbox comprises a main box first shaft, a main box intermediate shaft A, a main box intermediate shaft B, a main box second shaft, a plurality of sliding sleeves, a sub box main shaft, a sub box intermediate shaft A, a sub box intermediate shaft B, a synchronizer and a flange plate;
The main box I shaft, the main box II shaft and the auxiliary box main shaft are coaxially arranged, an external spline at the output end of the auxiliary box main shaft is meshed with an internal spline at the input end of the flange, and the output end of the flange is a power output end of the whole hybrid power system;
The input end of the main box one shaft is connected with the clutch, and the output end of the main box one shaft is provided with a tail end gear;
the main box intermediate shaft A and the main box intermediate shaft B are fixedly connected with a main box intermediate shaft transmission gear and a plurality of main box intermediate shaft gear;
a plurality of main box two-shaft gear wheels are arranged on the main box two-shaft, and the main box two-shaft gear wheels can be combined with the main box two-shaft through sliding sleeves; the output end of the main box two shafts is provided with a main box two shaft tail end gear;
The auxiliary box intermediate shaft A and the auxiliary box intermediate shaft B are fixedly connected with an auxiliary box intermediate shaft transmission gear and a plurality of auxiliary box intermediate shaft gear;
The auxiliary box main shaft is provided with an auxiliary box main shaft gear which can be combined with the auxiliary box main shaft through a synchronizer;
The main box one-shaft tail end gear on the main box one-shaft is in a constant meshing state with the main box intermediate shaft transmission gears on the main box intermediate shaft A and the main box intermediate shaft B;
The main box intermediate shaft A and the main box intermediate shaft B are in one-to-one corresponding constant engagement with the main box two-shaft gear on the main box two-shaft;
The end gear of the main box two shaft on the main box two shaft is meshed with the auxiliary box intermediate shaft transmission gear on the auxiliary box intermediate shaft A and the auxiliary box intermediate shaft B;
The auxiliary box intermediate shaft gear on the auxiliary box intermediate shaft A and the auxiliary box intermediate shaft B are normally meshed with the auxiliary box main shaft gear on the auxiliary box main shaft;
The auxiliary box intermediate shaft A is connected with the output end of the first motor through a first meshing gear set, and the auxiliary box intermediate shaft B is connected with the output end of the second motor through a second meshing gear set.
Compared with the prior art, the invention has the following advantages:
1. The hybrid power system is based on the traditional mechanical gearbox, and the double motors are added at the tail end of the middle shaft, so that compared with the traditional P2 architecture, the hybrid power system can select motors with smaller torque and power, shortens the axial dimension of the power assembly, and is convenient for the whole vehicle to install.
2. Because two low-power motors are adopted to replace one high-power motor of the traditional P2 architecture, the cost can be saved.
3. The traditional P2 architecture is characterized in that a motor is arranged between a gearbox and a clutch, and a motor shaft is required to be combined with a main box, so that an internal spline is required to be machined in a blind hole at one end of the motor shaft, and the machining difficulty is high; the double-motor structure only needs to lengthen the double intermediate shafts of the gearbox, and is connected with the motor through the meshing gear set at the tail end of the intermediate shafts, so that the processing technology is simpler.
4. The double-motor system can be matched with a 4-16-gear gearbox, different motor types can be selected to realize full torque coverage of the power assembly, and matching is more flexible.
5. The power takeoff can be connected with the first motor and/or the second motor through the power coupling device (the power coupling device is an existing unit), so that electric power taking is realized, and oil consumption is reduced.
6. The invention adopts a double-motor framework, the energy recovery path is shorter when the gearbox with the rear auxiliary box is used for energy recovery, the energy recovery efficiency can be improved, the main box returns to neutral gear when the energy is recovered, the working time of the electromagnetic valve in the clutch actuating mechanism is reduced, and the service life of the electromagnetic valve is prolonged.
7. The invention can combine the torque of the motor with the gear ratio of the meshing gear set through the gear ratio of the gearbox, so that the economic operation area of the motor is wider.
Drawings
Fig. 1 is a schematic diagram of a hybrid system of the single tank construction of the present invention.
Fig. 2 is a schematic diagram of a hybrid power system with a main and auxiliary tank structure according to the present invention.
Wherein 1, an engine, 2, a clutch, 3, a main box first shaft, 4, a sliding sleeve, 51, main box intermediate shafts A,52, a main box intermediate shaft B,6, a main box second shaft, 71, auxiliary box intermediate shafts A,72, auxiliary box intermediate shafts B,8, a synchronizer, 9, an auxiliary box main shaft, 10, a flange plate, 12, a first meshing gear set, 13 and a second meshing gear set, 14, a first motor, 15, a second motor, 16-a main box one-shaft end gear, 17-a main box intermediate shaft transmission gear, 18-a main box intermediate shaft gear, 19-a main box two-shaft gear, 20-a main box two-shaft end gear, 21-a sub box intermediate shaft transmission gear, 22-a sub box intermediate shaft gear and 23-a sub box main shaft gear.
Detailed Description
The hybrid power system provided by the invention is improved on the basis of the traditional parallel hybrid power device, two motors are arranged at the tail end of the intermediate shaft of the gearbox, and the two motors are connected with the tail end of the intermediate shaft of the gearbox by adding two meshing gear sets, so that the processing technology is simple, and the hybrid power system is widely applicable to boxes. The present invention will be described in further detail below with reference to the accompanying drawings, taking a single-case transmission and a main-sub-case transmission, respectively, as examples.
Example 1:
As shown in fig. 1, the present embodiment is a hybrid system of a single-case structure, including an engine 1, a clutch 2, a transmission case, a meshing gear set module, and a motor module, which are disposed in this order. The meshing gear set module comprises a first meshing gear set 12 and a second meshing gear set 13; the motor module comprises a first motor 14 and a second motor 15; the power of the first motor 14 is input to the gearbox through the first meshing gear set 12, and the power of the second motor 15 is input to the gearbox through the second meshing gear set 13.
The engine 1, the first electric machine 14 and the second electric machine 15 constitute two subassemblies which can be switched or combined in different operating modes. The operation modes of the engine 1, the first electric machine 14, and the second electric machine 15 include a pure electric mode, an engine mode, and a hybrid mode, and the torque level is controlled by the motor controller.
The gearbox is a traditional automatic single-box mechanical gearbox and comprises a main box first shaft 3, a main box intermediate shaft A51, a main box intermediate shaft B52, a main box second shaft 6, a sliding sleeve 4 and a flange plate 10;
The main box one shaft 3 and the main box two shaft 6 are coaxially arranged, an external spline at the output end of the main box two shaft 6 is meshed with an internal spline at the input end of the flange plate 10, and the output end of the flange plate 10 is the power output end of the whole hybrid power system;
The output end of the main box one-shaft 3 is provided with a main box one-shaft tail end gear 16;
The main box intermediate shaft A51 and the main box intermediate shaft B52 are fixedly connected with a main box intermediate shaft transmission gear 17 and a plurality of main box intermediate shaft gear 18;
A plurality of main box two-shaft gear wheels 19 are arranged on the main box two-shaft 6, and the main box two-shaft gear wheels 19 can be combined with the main box two-shaft 6 through the sliding sleeve 4;
the main box one-shaft tail end gear 16 on the main box one-shaft 3 is in a constant meshing state with the main box intermediate shaft transmission gear 17 on the main box intermediate shaft A51 and the main box intermediate shaft B52;
the main box intermediate shaft gear 18 on the main box intermediate shaft A51 and the main box intermediate shaft B52 are in a constant meshing state in one-to-one correspondence with the main box two-shaft gear 19 on the main box two-shaft 6;
the engine 1 transmits power to the main box-shaft 3 through the clutch 2;
the first motor 14 is connected to the main box intermediate shaft a 51 through the first meshing gear set 12, and the second motor 15 is connected to the main box intermediate shaft B52 through the second meshing gear set 13.
The operation mode of the present embodiment:
(1) Pure electric mode:
The clutch 2 is separated, the first motor 14 transmits power to the main box intermediate shaft A51 through the first meshing gear set 12, the second motor 15 transmits power to the main box intermediate shaft B52 through the second meshing gear set 13, the main box intermediate shaft A51 and the main box intermediate shaft B52 are in constant mesh with the main box two-shaft gear 19 on the main box two-shaft 6, and when the sliding sleeve 4 is hung with a certain gear, the main box intermediate shaft gear 18, the main box two-shaft gear 19 and the sliding sleeve 4 transmit power to the main box two-shaft 6, and then the main box two-shaft 6 transmits power to the flange 10 for power output.
(2) Engine mode:
The first motor 14 and the second motor 15 do not output power, the clutch 2 is combined, when the sliding sleeve 4 is hung at a certain gear (not in neutral gear), the engine 1 sequentially transmits power to the main box first shaft 3, the main box double intermediate shaft (namely the main box intermediate shaft A51 and the main box intermediate shaft B52) and the main box second shaft 6, and finally, the power is output through the flange plate 10.
(3) Hybrid mode:
when the clutch 2 is combined and the sliding sleeve 4 is engaged with a certain gear (non-neutral gear), the engine 1 sequentially transmits power to the main box first shaft 3, the main box double intermediate shaft (namely the main box intermediate shaft A51 and the main box intermediate shaft B52) and the main box second shaft 6. The first motor 14 transmits power to the main box intermediate shaft a 51 through the first meshing gear set 12, the second motor 15 transmits power to the main box intermediate shaft B52 through the second meshing gear set 13, and the main box intermediate shaft a 51 and the main box intermediate shaft B52 transmit power to the main box two shaft 6. The power of the final engine 1, the first motor 14 and the second motor 15 is jointly transmitted to the flange plate 10 by the main box two-shaft 6 for power output.
During braking of the vehicle, the first electric machine 14 and the second electric machine 15 act as generators to charge the electric machine batteries.
Example 2:
As shown in fig. 2, the present embodiment is a hybrid system of a main and sub tank structure, including an engine 1, a clutch 2, a transmission, a meshing gear set module, and a motor module, which are disposed in this order. The meshing gear set module comprises a first meshing gear set 12 and a second meshing gear set 13; the motor module comprises a first motor 14 and a second motor 15; the power of the first motor 14 is input to the gearbox through the first meshing gear set 12, and the power of the second motor 15 is input to the gearbox through the second meshing gear set 13.
The engine 1, the first electric machine 14 and the second electric machine 15 constitute two subassemblies which can be switched or combined in different operating modes. The operation modes of the engine 1, the first electric machine 14, and the second electric machine 15 include a pure electric mode, an engine mode, and a hybrid mode, and the torque level is controlled by the motor controller.
The gearbox is a traditional automatic main and auxiliary box mechanical gearbox and comprises a main box first shaft 3, a main box intermediate shaft A51, a main box intermediate shaft B52, a main box second shaft 6, a plurality of sliding sleeves 4, an auxiliary box main shaft 9, an auxiliary box intermediate shaft A71, an auxiliary box intermediate shaft B72, a synchronizer 8 and a flange plate 10;
The main box one-shaft 3, the main box two-shaft 6 and the auxiliary box main shaft 9 are coaxially arranged, an external spline at the output end of the auxiliary box main shaft 9 is meshed with an internal spline at the input end of the flange plate 10, and the output end of the flange plate 10 is the power output end of the whole hybrid power system;
The output end of the main box one-shaft 3 is provided with a main box one-shaft tail end gear 16;
the main box intermediate shaft A51 and the main box intermediate shaft B52 are fixedly connected with a main box intermediate shaft transmission gear 17 and a plurality of main box intermediate shaft gear 18;
A plurality of main box two-shaft gear wheels 19 are arranged on the main box two-shaft 6, and the main box two-shaft gear wheels 19 can be combined with the main box two-shaft 6 through the sliding sleeve 4; the output end of the main box biaxial 6 is provided with a main box biaxial tail end gear 20;
The auxiliary box intermediate shaft A71 and the auxiliary box intermediate shaft B72 are fixedly connected with an auxiliary box intermediate shaft transmission gear 21 and an auxiliary box intermediate shaft gear 22;
The auxiliary box main shaft 9 is provided with an auxiliary box main shaft gear 23, and the auxiliary box main shaft gear 23 can be combined with the auxiliary box main shaft 9 through a synchronizer 8;
the main box one-shaft tail end gear 16 on the main box one-shaft 3 is in a constant meshing state with the main box intermediate shaft transmission gear 17 on the main box intermediate shaft A51 and the main box intermediate shaft B52;
the main box intermediate shaft gear 18 on the main box intermediate shaft A51 and the main box intermediate shaft B52 are in a constant meshing state in one-to-one correspondence with the main box two-shaft gear 19 on the main box two-shaft 6;
The main box two-shaft tail end gear 20 on the main box two-shaft 6 is normally meshed with the auxiliary box intermediate shaft transmission gear 21 on the auxiliary box intermediate shaft A71 and the auxiliary box intermediate shaft B72;
the auxiliary box intermediate shaft gear 22 on the auxiliary box intermediate shaft A71 and the auxiliary box intermediate shaft B72 are normally meshed with the auxiliary box main shaft gear 23 on the auxiliary box main shaft 9;
the engine 1 transmits power to the main box-shaft 3 through the clutch 2;
the first motor 14 is connected with a subsidiary box intermediate shaft A71 through a first meshing gear set 12, and the second motor 15 is connected with a subsidiary box intermediate shaft B72 through a second meshing gear set 13; the first motor 14 and the second motor 15 can directly drive the auxiliary box main shaft 9 to output power.
The operation mode of the present embodiment:
(1) Pure electric mode:
The clutch 2 is separated, or the sliding sleeve 4 is hung to a neutral gear, the first motor 14 transmits power to the auxiliary box intermediate shaft A71 through the first meshing gear set 12, the second motor 15 transmits power to the auxiliary box intermediate shaft B72 through the second meshing gear set 13, the auxiliary box intermediate shaft gear 22 on the auxiliary box intermediate shaft A71 and the auxiliary box intermediate shaft B72 is meshed with the auxiliary box gear 23 constantly, the auxiliary box gear 23 is combined with the auxiliary box main shaft 9 through the synchronizer 8, the power is transmitted to the auxiliary box main shaft 9, and the auxiliary box main shaft 9 transmits power to the flange plate 10 for power output.
(2) Engine mode:
The first motor 14 and the second motor 15 do not output power, the clutch 2 is combined, when the sliding sleeve 4 is hung at a certain gear (not in neutral gear), the engine 1 sequentially transmits power to the primary box primary shaft 3, the primary box double intermediate shaft (namely, the primary box intermediate shaft A51 and the primary box intermediate shaft B52), the primary box secondary shaft 6, the secondary box double intermediate shaft (namely, the secondary box intermediate shaft A71 and the secondary box intermediate shaft B72) and the secondary box main shaft 9, and finally the secondary box main shaft 9 transmits power to the flange plate 10 for power output.
(3) Hybrid mode:
When the clutch 2 is combined and the sliding sleeve 4 is engaged with a certain gear (non-neutral gear), the engine 1 sequentially transmits power to the main box primary shaft 3, the main box double intermediate shaft (namely, the main box intermediate shaft A51 and the main box intermediate shaft B52), the main box secondary shaft 6, the auxiliary box double intermediate shaft (namely, the auxiliary box intermediate shaft A71 and the auxiliary box intermediate shaft B72) and the auxiliary box main shaft 9. The first motor 14 transmits power to the auxiliary box intermediate shaft A71 through the first meshing gear set 12, the second motor 15 transmits power to the auxiliary box intermediate shaft B72 through the second meshing gear set 13, and the auxiliary box intermediate shaft A71 and the auxiliary box intermediate shaft B72 transmit power to the auxiliary box main shaft 9 through the synchronizer 8. The power of the final engine 1, the first motor 14 and the second motor 15 is jointly transmitted to the flange plate 10 by the auxiliary box main shaft 9 for power output.
During braking of the vehicle, the first electric machine 14 and the second electric machine 15 act as generators to charge the electric machine batteries.

Claims (2)

1. The hybrid power system based on the engine and the double motors comprises an engine (1), a clutch (2), a gearbox and a motor module; the method is characterized in that:
the device also comprises a meshing gear set module;
the engine (1), the clutch (2), the gearbox, the meshing gear set module and the motor module are connected in sequence;
the motor module comprises a first motor (14) and a second motor (15); the meshing gear set module comprises a first meshing gear set (12) and a second meshing gear set (13);
The power of the first motor (14) is input into the gearbox through the first meshing gear set (12), and the power of the second motor (15) is input into the gearbox through the second meshing gear set (13);
the gearbox is an automatic single-box mechanical gearbox;
The gearbox comprises a main box first shaft (3), a main box intermediate shaft A (51), a main box intermediate shaft B (52), a main box second shaft (6), a plurality of sliding sleeves (4) and a flange plate (10);
the main box one shaft (3) and the main box two shaft (6) are coaxially arranged, an external spline at the output end of the main box two shaft (6) is meshed with an internal spline at the input end of the flange plate (10), and the output end of the flange plate (10) is a power output end of the whole hybrid power system;
The input end of the main box one-shaft (3) is connected with the clutch (2), and the output end of the main box one-shaft is provided with a main box one-shaft tail end gear (16);
a main box intermediate shaft A (51) and a main box intermediate shaft B (52) are fixedly connected with a main box intermediate shaft transmission gear (17) and a plurality of main box intermediate shaft gear (18);
a plurality of main box two-shaft gear wheels (19) are arranged on the main box two-shaft (6), and the main box two-shaft gear wheels (19) can be combined with the main box two-shaft (6) through sliding sleeves (4);
a main box one-shaft tail end gear (16) on the main box one-shaft (3) is in a constant meshing state with a main box intermediate shaft transmission gear (17) on a main box intermediate shaft A (51) and a main box intermediate shaft B (52);
The main box intermediate shaft gears (18) on the main box intermediate shaft A (51) and the main box intermediate shaft B (52) are in one-to-one corresponding constant engagement with the main box two-shaft gear gears (19) on the main box two-shaft (6);
The main box intermediate shaft A (51) is connected with the output end of the first motor (14) through the first meshing gear set (12), and the main box intermediate shaft B (52) is connected with the output end of the second motor (15) through the second meshing gear set (13).
2. The hybrid power system based on the engine and the double motors comprises an engine (1), a clutch (2), a gearbox and a motor module; the method is characterized in that:
the device also comprises a meshing gear set module;
the engine (1), the clutch (2), the gearbox, the meshing gear set module and the motor module are connected in sequence;
the motor module comprises a first motor (14) and a second motor (15); the meshing gear set module comprises a first meshing gear set (12) and a second meshing gear set (13);
The power of the first motor (14) is input into the gearbox through the first meshing gear set (12), and the power of the second motor (15) is input into the gearbox through the second meshing gear set (13);
The gearbox is an automatic main and auxiliary box mechanical gearbox;
The gearbox comprises a main box first shaft (3), a main box intermediate shaft A (51), a main box intermediate shaft B (52), a main box second shaft (6), a plurality of sliding sleeves (4), an auxiliary box main shaft (9), an auxiliary box intermediate shaft A (71), an auxiliary box intermediate shaft B (72), a synchronizer (8) and a flange plate (10);
the main box one-shaft (3), the main box two-shaft (6) and the auxiliary box main shaft (9) are coaxially arranged, an external spline at the output end of the auxiliary box main shaft (9) is meshed with an internal spline at the input end of the flange plate (10), and the output end of the flange plate (10) is a power output end of the whole hybrid power system;
the input end of the main box one-shaft (3) is connected with the clutch (2), and the output end of the main box one-shaft is provided with a main box one-shaft tail end gear (16);
a main box intermediate shaft A (51) and a main box intermediate shaft B (52) are fixedly connected with a main box intermediate shaft transmission gear (17) and a plurality of main box intermediate shaft gear (18);
A plurality of main box two-shaft gear wheels (19) are arranged on the main box two-shaft (6), and the main box two-shaft gear wheels (19) can be combined with the main box two-shaft (6) through sliding sleeves (4); the output end of the main box two-shaft (6) is provided with a main box two-shaft tail end gear (20);
The auxiliary box intermediate shaft A (71) and the auxiliary box intermediate shaft B (72) are fixedly connected with an auxiliary box intermediate shaft transmission gear (21) and an auxiliary box intermediate shaft gear (22);
The auxiliary box main shaft (9) is provided with an auxiliary box main shaft gear (23), and the auxiliary box main shaft gear (23) can be combined with the auxiliary box main shaft (9) through a synchronizer (8);
a main box one-shaft tail end gear (16) on the main box one-shaft (3) is in a constant meshing state with a main box intermediate shaft transmission gear (17) on a main box intermediate shaft A (51) and a main box intermediate shaft B (52);
The main box intermediate shaft gears (18) on the main box intermediate shaft A (51) and the main box intermediate shaft B (52) are in one-to-one corresponding constant engagement with the main box two-shaft gear gears (19) on the main box two-shaft (6);
A main box two-shaft tail end gear (20) on the main box two-shaft (6) is normally meshed with a secondary box intermediate shaft transmission gear (21) on a secondary box intermediate shaft A (71) and a secondary box intermediate shaft B (72);
A secondary box intermediate shaft gear (22) on a secondary box intermediate shaft A (71) and a secondary box intermediate shaft B (72) are normally meshed with a secondary box main shaft gear (23) on a secondary box main shaft (9);
The auxiliary box intermediate shaft A (71) is connected with the output end of the first motor (14) through the first meshing gear set (12), and the auxiliary box intermediate shaft B (72) is connected with the output end of the second motor (15) through the second meshing gear set (13).
CN201911350759.1A 2019-12-24 2019-12-24 Hybrid power system based on engine and double motors Active CN110949116B (en)

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