CN110039989B - Take commercial car hybrid transmission of slow-speed function - Google Patents

Take commercial car hybrid transmission of slow-speed function Download PDF

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CN110039989B
CN110039989B CN201910267664.7A CN201910267664A CN110039989B CN 110039989 B CN110039989 B CN 110039989B CN 201910267664 A CN201910267664 A CN 201910267664A CN 110039989 B CN110039989 B CN 110039989B
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motor
brake
planetary
gear
row
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CN110039989A (en
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彭增雄
胡纪滨
魏超
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Beijing Institute of Technology BIT
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Beijing Institute of Technology BIT
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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
    • 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
    • B60K6/28—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 electric energy storing means, e.g. batteries or capacitors
    • 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
    • B60K6/42—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 the architecture of the hybrid electric vehicle
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/10—Dynamic electric regenerative braking
    • 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
    • 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 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 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
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Power Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention belongs to the technical field of hybrid electric vehicles, and particularly relates to a hybrid power transmission device. Take commercial car hybrid transmission of slow-speed function, it includes: the system comprises a battery pack, a motor controller, a brake resistor, a first motor, a second motor, a brake and a planet distributing and converging mechanism which are coaxially arranged; the planet divides the mechanism of converging includes: the power distribution planetary line comprises a power distribution planetary line, a first speed reduction planetary line and a second speed reduction planetary line; the brake includes: a first brake and a second brake; the power splitting planetary row is connected with the input shaft, the rotor of the first motor and the output shaft, and the first speed reduction planetary row and the second speed reduction planetary row are both connected with the rotor of the second motor and the output shaft; the first brake and the second brake, the first reduction planetary row and the second reduction planetary row form a 2-gear speed reduction mechanism. The invention realizes the recovery of braking energy by using the motor, sets the braking resistor to ensure that the braking power of the motor is consumed when the SOC of the battery is high, and still has the function of slow braking when braking for a long time.

Description

Take commercial car hybrid transmission of slow-speed function
Technical Field
The invention belongs to the technical field of hybrid electric vehicles, and particularly relates to a hybrid power transmission device.
Background
The hybrid power transmission technology is an important means for energy conservation and emission reduction, and various automobile manufacturers actively develop the hybrid power transmission technology. The THS hybrid technology of Toyota corporation has good oil-saving effect, and the planetary mechanism is used for power splitting to ensure that the engine always works in an economic interval, but the planetary mechanism has higher requirement. The series hybrid power system can ensure that the engine works in an economic region and is suitable for working conditions of frequent start and stop, severe load change, urban driving and the like. But is not suitable for commercial vehicles due to its narrow range of transmission ratios.
CN 105452039A discloses a longitudinally-arranged dual-motor hybrid power transmission device, which adopts a single planetary row to perform power splitting, is coaxially arranged, arranges a planetary mechanism in front of the power splitting planetary row, realizes two input gears through a clutch and a brake, and forms a multi-mode hybrid power transmission together with the power splitting planetary row and dual motors.
CN 101528494B discloses a longitudinally-arranged dual-motor hybrid power transmission device, which also adopts a single planetary row for power splitting, and is coaxially arranged, but adds a speed-increasing planetary row before the generator, so as to increase the rotation speed of the generator and the power density of the generator. The position of the output section is switched through the clutch and the brake, and multi-mode hybrid power transmission is realized.
A commercial vehicle is often provided with a hydraulic retarder or an eddy current retarder, so that the safety of braking in a long downhill is guaranteed. The hybrid power transmission system can realize the speed slowing function by utilizing the motor and the battery pack and can realize the recovery of braking energy.
Disclosure of Invention
The purpose of the invention is: in order to improve the fuel economy and the braking safety of the whole vehicle, the commercial vehicle hybrid power transmission device with the speed retarding function is provided.
The technical scheme of the invention is as follows: take commercial car hybrid transmission of slow-speed function, it includes: the system comprises a battery pack, a motor controller, a brake resistor, a first motor, a second motor, a brake and a planet distributing and converging mechanism which are coaxially arranged;
the planet divides the mechanism of converging includes: the power distribution planetary line comprises a power distribution planetary line, a first speed reduction planetary line and a second speed reduction planetary line;
the brake includes: a first brake and a second brake;
the motor controller is connected with the battery pack and the brake resistor on one hand, and is connected with the stator of the first motor and the stator of the second motor on the other hand; the power splitting planetary row is arranged between the first motor and the second motor, and the first reduction planetary row and the second reduction planetary row are arranged on the rear side of the second motor; the power splitting planetary row is connected with the input shaft, the rotor of the first motor and the output shaft, the power splitting planetary row mainly realizes splitting of input power of the engine, one part is transmitted to the second motor from the first motor, and the other part is directly output; the first reduction planet row and the second reduction planet row are both connected with a rotor and an output shaft of the second motor; the first brake, the second brake, the first reduction planetary row and the second reduction planetary row form a 2-gear reduction mechanism, so that the torque requirement of the second motor is reduced, and the improvement of the power density of the second motor is facilitated.
The battery pack and the brake resistor are used for balancing the power of the first motor and the power of the second motor, under the working condition of hybrid power, in order to ensure the optimal oil consumption working point of the engine, the power of the first motor is transmitted to the second motor, and redundant energy is stored in the battery pack. And under the condition of sudden acceleration, the power of the second motor and the power of the battery pack jointly drive the vehicle. Under the condition of brake energy recovery, the power of the second motor is firstly stored in the battery pack, and the recovered power of the second motor is consumed by using the brake resistor only when the SOC of the battery pack is higher, so that the safety of long-slope descending or long-time slow braking is ensured.
Pure electric drive is adopted in starting and low-speed working conditions, the engine does not work, the second brake is connected, the first brake is separated, the 2-gear speed reducing mechanism is in a low gear, and the second motor drives the vehicle to start or advance at a low speed.
The low-speed hybrid power drives the operating mode, the second brake is connected, the first brake is separated, the 2-gear speed reducing mechanism is in a low gear, the power of the engine is input from the input shaft, the first motor generates power, and the torque of the second motor is transmitted to the output shaft after being subjected to speed reduction and torque increase by the planetary mechanism and being superposed with the output torque of the power splitting planetary row.
The high-speed hybrid power drives the working condition, the first brake is engaged, the second brake is disengaged, the 2-gear speed reducing mechanism is in a high gear, the power of the engine is input from the input shaft, the first motor generates power, and the torque of the second motor is transmitted to the output shaft after being subjected to speed reduction and torque increase by the planetary mechanism and superposed with the output torque of the power splitting planetary row.
The reversing is realized by a pure electric mode, a second brake is engaged, a first brake is disengaged, and a 2-gear speed reducing mechanism is in a low gear and is reversely rotated by a first motor.
And during the gear shifting, the torque of the second motor is set to be zero, the second brake is separated, and the first brake is combined to finish the gear shifting action. The first motor still works in the gear shifting process, the power splitting planetary row still outputs mechanical power, power is guaranteed not to be interrupted, and gear shifting comfort is improved.
The high-speed braking energy recovery (retarding) working condition, the second motor braking, the first motor and the engine coordinated braking, and the second motor energy is preferentially stored in the battery pack. When the vehicle runs on a long slope or is slowly braked for a long time and the SOC of the battery pack is at a higher level, the braking resistor acts to convert the braking energy of the second motor into heat energy. The braking energy recovery working condition can fully utilize the peak torque of the second motor to carry out slow braking, can replace a hydraulic retarder or an eddy current retarder of a commercial vehicle, recovers the braking energy into a battery pack, and improves the fuel economy of the whole vehicle.
Has the advantages that: (1) the motor, the planetary structure and the brake are coaxially arranged, so that the structure and the process are simple; the power split planet row is arranged between the two groups of motors, the space of the winding end parts of the motors can be fully utilized, and the space is compact.
(2) The invention has pure electric drive, hybrid drive, fixed gear and other modes, can deal with different driving conditions, and improves the fuel economy.
(3) The motor is matched with the 2-gear speed reducing mechanism, so that the torque requirement of the motor can be reduced.
(4) The invention increases the brake resistance, can meet the long-time slow braking working condition, and is particularly suitable for commercial vehicles under the transportation working conditions of mountainous areas and hills.
(5) According to the invention, the second motor is connected with the output shaft through the 2-gear speed reducing mechanism, so that the slow braking control is simple and the effect is obvious.
Drawings
FIGS. 1 and 2 are schematic views of the transmission of embodiment 1;
FIGS. 3 and 4 are schematic views of the transmission of embodiment 2;
fig. 5 and 6 are drive diagrams of embodiment 3.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
Embodiment 1, referring to fig. 1, a hybrid power transmission device with a retarder function for a commercial vehicle, comprising: the system comprises a battery pack 32, a motor controller 30, a brake resistor 31, a first motor, a second motor, a brake and a planet distributing and converging mechanism which are coaxially arranged;
the planet divides the mechanism of converging includes: the power distribution planetary line comprises a power distribution planetary line, a first speed reduction planetary line and a second speed reduction planetary line; the power splitting planetary row consists of a first gear ring 5, a first sun gear 4 and a first planet carrier 3; the first reduction planet row consists of a second gear ring A7, a second sun gear A9 and a second planet carrier A8, and the second reduction planet row consists of a third gear ring A12, a third sun gear A14 and a third planet carrier A13;
the brake includes: a first brake 10 and a second brake 11;
the motor controller 30 is connected to the battery pack 32 and the brake resistor 31, and is connected to the stator of the first motor and the stator of the second motor; the power splitting planetary row is arranged between the first motor and the second motor, and the first reduction planetary row and the second reduction planetary row are arranged on the rear side of the second motor; the first planet carrier 3 is connected with the input shaft 1, the first sun gear 4 is connected with the rotor 2 of the first motor, and the first gear ring 5 is connected with the output shaft 15 and the third planet carrier A13; the second sun gear a9 is connected to the rotor 6 of the second motor and the third sun gear a14, the second carrier A8 is connected to the third ring gear a12 and the driving end of the second brake 11, and the second ring gear a7 is connected to the driving end of the first brake 10.
Referring to fig. 2, a third brake 16 is added on the basis of the scheme; the first sun gear 4 is connected to the active end of the third brake 16. This increases a mechanical gear, in which case the third brake 16 is engaged, the power splitting planetary line is in a fixed gear ratio, and the power of the engine directly drives the vehicle. The working condition is used for long-time high-speed driving, the energy conversion link from the generator to the motor is reduced, and the transmission efficiency is improved.
Embodiment 2, referring to fig. 3, a hybrid transmission for a commercial vehicle with a retarding function, comprising: the system comprises a battery pack 32, a motor controller 30, a brake resistor 31, a first motor, a second motor, a brake and a planet distributing and converging mechanism which are coaxially arranged;
the planet divides the mechanism of converging includes: the power distribution planetary line comprises a power distribution planetary line, a first speed reduction planetary line and a second speed reduction planetary line; the power splitting planetary row consists of a first gear ring 5, a first sun gear 4 and a first planet carrier 3; the first reduction planet row consists of a second ring gear B17, a second sun gear B19 and a second planet carrier B18; the second reduction planet row consists of a third ring gear B21, a third sun gear B20 and a third planet carrier B22;
the brake includes: a first brake 10 and a second brake 11;
the motor controller 30 is connected to the battery pack 32 and the brake resistor 31, and is connected to the stator of the first motor and the stator of the second motor; the power splitting planetary row is arranged between the first motor and the second motor, and the first reduction planetary row and the second reduction planetary row are arranged on the rear side of the second motor; the first planet carrier 3 is connected with the input shaft 1, the first sun gear 4 is connected with the rotor 2 of the first motor, and the first gear ring 5 is simultaneously connected with the second planet carrier B18, the third gear ring B21 and the output shaft 15; the second sun gear B19 is connected with the rotor 6 of the second motor, and the second gear ring B17 is connected with the driving end of the first brake 10 and the third sun gear B20; the third carrier B22 is connected to the driving end of the second brake 11.
Referring to fig. 4, a third brake 16 is added on the basis of the scheme; the first sun gear 4 is connected to the active end of the third brake 16. This increases a mechanical gear, in which case the third brake 16 is engaged, the power splitting planetary line is in a fixed gear ratio, and the power of the engine directly drives the vehicle. The working condition is used for long-time high-speed driving, the energy conversion link from the generator to the motor is reduced, and the transmission efficiency is improved.
Embodiment 3, referring to fig. 5, a hybrid transmission for a commercial vehicle with a retarding function, comprising: the system comprises a battery pack 32, a motor controller 30, a brake resistor 31, a first motor, a second motor, a brake and a planet distributing and converging mechanism which are coaxially arranged;
the planet divides the mechanism of converging includes: the power distribution planetary line comprises a power distribution planetary line, a first speed reduction planetary line and a second speed reduction planetary line; the power splitting planetary row consists of a first gear ring 5, a first sun gear 4 and a first planet carrier 3; the first reduction planet row consists of a second gear ring C23, a second sun gear C25 and a second planet carrier B24, and the second reduction planet row consists of a third gear ring C27, a third sun gear C26 and a third planet carrier C28;
the brake includes: a first brake 10 and a second brake 11;
the motor controller 30 is connected to the battery pack 32 and the brake resistor 31, and is connected to the stator of the first motor and the stator of the second motor; the power splitting planetary row is arranged between the first motor and the second motor, and the first reduction planetary row and the second reduction planetary row are arranged on the rear side of the second motor; the first planet carrier 3 is connected with the input shaft 1, the first sun gear 4 is connected with the rotor 2 of the first motor, and the first gear ring 5 is simultaneously connected with the third planet carrier C28, the second gear ring C23 and the output shaft 15; the third sun gear C26 is connected to the rotor 6 of the second motor, the second sun gear C25 is connected to the driving end of the first brake 10, and the third ring gear C27 is connected to the driving ends of the second carrier B24 and the second brake 11, respectively.
Referring to fig. 6, a third brake 16 is added on the basis of the scheme; the first sun gear 4 is connected to the active end of the third brake 16. This increases a mechanical gear, in which case the third brake 16 is engaged, the power splitting planetary line is in a fixed gear ratio, and the power of the engine directly drives the vehicle. The working condition is used for long-time high-speed driving, the energy conversion link from the generator to the motor is reduced, and the transmission efficiency is improved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (2)

1. Take commercial car hybrid transmission of slow-speed function, its characterized in that: it includes: the brake device comprises a battery pack (32), a motor controller (30), a brake resistor (31), a first motor, a second motor, a brake and a planetary distributing and converging mechanism which are coaxially arranged;
the planet divides the mechanism of converging includes: the power distribution planetary line comprises a power distribution planetary line, a first speed reduction planetary line and a second speed reduction planetary line;
the brake includes: a first brake (10) and a second brake (11);
the motor controller (30) is connected with the battery pack (32) and the brake resistor (31) on one hand, and is connected with the stator of the first motor and the stator of the second motor on the other hand; the power splitting planetary row is arranged between the first motor and the second motor, and the first reduction planetary row and the second reduction planetary row are arranged on the rear side of the second motor; the power splitting planetary row is connected with an input shaft (1), a rotor (2) of the first motor and an output shaft (15), and the first speed reduction planetary row and the second speed reduction planetary row are both connected with a rotor (6) of the second motor and the output shaft (15); the first brake (10) and the second brake (11) form a 2-gear speed reducing mechanism together with the first speed reducing planetary row and the second speed reducing planetary row;
the power splitting planetary row consists of a first gear ring (5), a first sun gear (4) and a first planet carrier (3); the first reduction planet row consists of a second ring gear B (17), a second sun gear B (19) and a second planet carrier B (18); the second reduction planet row consists of a third gear ring B (21), a third sun gear B (20) and a third planet carrier B (22);
the first planet carrier (3) is connected with the input shaft (1), the first sun gear (4) is connected with the rotor (2) of the first motor, and the first gear ring (5) is simultaneously connected with the second planet carrier B (18), the third gear ring B (21) and the output shaft (15); the second sun gear B (19) is connected with a rotor (6) of the second motor, and the second gear ring B (17) is connected with the driving end of the first brake (10) and the third sun gear B (20); the third planet carrier B (22) is connected with the driving end of the second brake (11).
2. A commercial vehicle hybrid transmission with retarding capability as claimed in claim 1 wherein: the brake further includes: a third brake (16); the first sun gear (4) is connected with the driving end of the third brake (16).
CN201910267664.7A 2017-05-02 2017-05-02 Take commercial car hybrid transmission of slow-speed function Active CN110039989B (en)

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CN107215200A (en) 2017-09-29

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