CN109591570A - Hybrid electric drive system and vehicle - Google Patents

Hybrid electric drive system and vehicle Download PDF

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Publication number
CN109591570A
CN109591570A CN201710920283.5A CN201710920283A CN109591570A CN 109591570 A CN109591570 A CN 109591570A CN 201710920283 A CN201710920283 A CN 201710920283A CN 109591570 A CN109591570 A CN 109591570A
Authority
CN
China
Prior art keywords
gear
countershaft
clutch
main shaft
motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201710920283.5A
Other languages
Chinese (zh)
Inventor
刘静
华煜
柴领道
张金涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BYD Co Ltd
Original Assignee
BYD Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BYD Co Ltd filed Critical BYD Co Ltd
Priority to CN201710920283.5A priority Critical patent/CN109591570A/en
Publication of CN109591570A publication Critical patent/CN109591570A/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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
    • B60K6/22Arrangement 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
    • B60K6/36Arrangement 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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
    • B60K6/22Arrangement 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
    • B60K6/24Arrangement 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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
    • B60K6/22Arrangement 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
    • B60K6/26Arrangement 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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
    • B60K6/22Arrangement 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
    • B60K6/38Arrangement 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/62Hybrid vehicles

Abstract

This disclosure relates to a kind of hybrid electric drive system and vehicle.The system comprises engines, speed changer, output section, first motor, speed changer includes main shaft, countershaft, first shift gear, second shift gear, freewheel clutch, first clutch, the first driven gear that first gear gear package includes the first driving gear by main shaft carrying and carried by countershaft, the second driven gear that second gear gear package includes the second driving gear by main shaft carrying and carried by countershaft, freewheel clutch is arranged between the first driving gear and main shaft or is arranged between the first driven gear and countershaft, the power transmitting that first clutch is used to be switched on or switched off between the second driving gear and main shaft, or the power transmitting for being switched on or switched off between the second driven gear and countershaft, the line shaft of first motor and main shaft are coaxially connected, output section is used to export the power by countershaft transmitting to drive vehicle.

Description

Hybrid electric drive system and vehicle
Technical field
This disclosure relates to a kind of hybrid electric drive system and vehicle.
Background technique
World today's facing mankind energy shortage and environmental degradation two challenge greatly, orthodox car is increasingly subject to oil crisis Serious puzzlement, energy conservation and environmental protection is increasingly becoming the development topic of automobile industry.In recent years, there are two types of different dynamic sources, realization for tool The hybrid vehicle for reducing oil consumption and discharge, has obtained development and application, and put into commodity production and introduce to the market.
Hybrid electric drive system is generally made of engine, generator, motor, electrical source of power etc., engine and dynamic Power power supply provides power jointly for vehicle, this results in its structure and is usually relatively complex, and occupied space is larger, higher cost.
Summary of the invention
Purpose of this disclosure is to provide a kind of simple hybrid electric drive systems of structure.
To achieve the goals above, the disclosure provides a kind of hybrid electric drive system, comprising:
Engine;
Speed changer, the speed changer include:
Main shaft, the output shaft of the engine and the main shaft are coaxially connected;
Countershaft, the countershaft are parallel with main shaft;
First gear gear set, including the first driving gear carried by the main shaft and carried by the countershaft first Driven gear;
Second gear gear set, including the second driving gear carried by the main shaft and carried by the countershaft second Driven gear;
Freewheel clutch, the freewheel clutch are arranged between first driving gear and main shaft or are arranged in institute It states between the first driven gear and countershaft, so that only can be along from the main shaft to institute by the first gear gear set State the direction transmitting torsion of countershaft;
First clutch, the first clutch are used to be switched on or switched off dynamic between second driving gear and main shaft Power transmitting, or the power transmitting for being switched on or switched off between second driven gear and countershaft;
First motor, the line shaft and main shaft of the first motor are coaxially connected;
Output section, the output section is for exporting the power transmitted by the countershaft to drive vehicle.
Optionally, the output axis connection of one end of the main shaft and engine, the power of the other end and the first motor Axis connection.
Optionally, in the engine driving operating condition, when first clutch engagement, the freewheel clutch point From;When first clutch separation, the freewheel clutch engagement.
Optionally, the freewheel clutch is arranged between first driven gear and countershaft, the first clutch Power transmitting for being switched on or switched off between second driving gear and main shaft.
Optionally, when the speed changer is in the first gear, the freewheel clutch engagement, the first clutch point From, the power of the engine successively by the main shaft, first driving gear, first driven gear, described super More clutch, the countershaft are transferred to the output section;When the speed changer is in the second gear, the freewheel clutch point From, first clutch engagement, the power of the engine successively passes through the main shaft, the first clutch, described the Two driving gears, second driven gear, the countershaft are transferred to the output section.
Optionally, first gear is low gear, and second gear is high speed gear.
Optionally, the system also includes the second motor, second motor is connected with the countershaft.
Optionally, the line shaft of second motor is connected with the countershaft by gear drive.
Optionally, the gear drive includes intermeshing first transmission gear and the second transmission gear, described The line shaft of second motor is connect with first transmission gear, and second transmission gear is connect with the countershaft.
Optionally, one end of the countershaft is arranged in second transmission gear, and passes through the second clutch with the countershaft Device connection.
The disclosure can be realized engine two and keep off power output, structure by using freewheel clutch and first clutch Simply, at low cost, it is handling good, greatly improve the fuel economy and vehicle ride comfort of engine.By by first The line shaft of motor and the output shaft of engine are coaxially connected, so that power transmitting needs not move through transmission system, therefore can subtract Small energy loss, and structure relative compact.
The disclosure also provides a kind of vehicle, using hybrid electric drive system as described above.
Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, with following tool Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:
Fig. 1 is the schematic block diagram according to the hybrid electric drive system of the first embodiment of the disclosure;
Fig. 2 is the schematic block diagram according to the hybrid electric drive system of second of embodiment of the disclosure;
Fig. 3 is the schematic block diagram according to the hybrid electric drive system of the third embodiment of the disclosure;
Fig. 4 is the schematic block diagram according to the hybrid electric drive system of the 4th kind of embodiment of the disclosure;
Fig. 5 is the schematic block diagram according to the hybrid electric drive system of the 5th kind of embodiment of the disclosure;
Fig. 6 is the schematic block diagram according to the hybrid electric drive system of the 6th kind of embodiment of the disclosure.
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
Fig. 1 is the schematic block diagram according to the hybrid electric drive system of the first embodiment of the disclosure.Such as Fig. 1 Shown, the hybrid electric drive system that the disclosure provides includes engine 1, speed changer, output section 10, first motor 11, second Motor 12.The power of engine 1 passes to output section 10 by speed changer, and 10 output power of output section is to drive vehicle.
Wherein, speed changer include main shaft 2, countershaft 3, the first gear gear set, the second gear gear set, freewheel clutch 8, First clutch 9.Main shaft 2 is parallel to each other with countershaft 3, and the output shaft and main shaft 2 of engine 1 are coaxially connected.First shift gear Group includes the first driving gear 4 carried by main shaft 2 and the first driven gear 5 for being carried by countershaft 3,4 He of the first driving gear First driven gear 5 can be engaged directly, can also be engaged with intermediate gear, to be sequentially connected by the intermediate gear. Second gear gear set includes the second driving gear 6 carried by main shaft 2 and the second driven gear 7 for being carried by countershaft 3, and first Driving gear 4 and the first driven gear 5 can be engaged directly, can also be engaged with intermediate gear, to pass through the center tooth Wheel transmission connection.Here, the first gear gear set can be low-grade location gear set, and the second gear gear set can be high gear tooth Wheel group.
First motor 11 and line shaft and main shaft 2 are coaxially connected, specifically, one end of main shaft 2 and the output shaft of engine 1 Connection, the power axis connection of the other end and first motor 11.First motor 11 can not only be used for generator to be used to generate electricity, and can make It is motor for driving vehicle.Second motor 12 is connected with countershaft 3, and the second motor 12 can not only be used for motor for driving Motor-car, but also as generator for generating electricity.Main shaft 2 and countershaft 3 are disposed in parallel relation to one another, and main shaft 2 and countershaft 3 pass through axis It holds and is mounted on the cabinet of the speed changer.
Since first motor 11 and the output shaft of engine 1 are coaxially connected, so that power transmitting needs not move through transmission system, Therefore it can reduce energy loss, and structure relative compact.
Output section 10 is configured to for the power that speed changer exports to be transferred to the wheel of vehicle, such as the output section 10 can To include output gear 101 and differential mechanism.Output gear 101 is connect with countershaft 3, and is nibbled with the final gear of differential mechanism 102 It closes;In other implementations, the output section 10 also may include differential mechanism.
In the first embodiment shown in Fig. 1, the first driving gear 4 is fixed gear, that is to say, that it is and master What axis 2 was fixedly connected, to be rotated with main shaft 2.More specifically, the first driving gear 4 can be integrally formed with main shaft 2, it can also To be connected by key with main shaft 2.
The freewheel clutch is arranged between the first gear gear set and main shaft, or is arranged in the first gear gear set Between countershaft, engagement by freewheel clutch with separate, so that the first gear gear set is engaged or is separated with main shaft power, The first gear gear set is either set to engage or separate with countershaft power, so that the switching of power is realized, to realize speed changer The switching of gear.The freewheel clutch is well known to those skilled in the art, no longer detailed to its structure and working principle at this State, but due to the particularity of application scenarios, this hybrid power system is using the advantages of freewheel clutch: (1) surmount from Clutch is that the engagement or separation of two rotating elements are realized using the rotational speed difference of inside and outside two rotating elements, does not need to utilize electricity Machine or hydraulic module provide engagement or isolated power, and therefore, overrun clutch structure is simple, reliable and stable, can The reliability of hybrid power system shift is effectively provided;(2) freewheel clutch can avoid keeping off for synchronizer The momentary interruption of torque transmitting, guarantees the ride comfort of vehicle shift when the switching of position.
In the first embodiment shown in Fig. 1, the setting of freewheel clutch 8 the first driven gear 5 and countershaft 3 it Between, the torque transmitting for being switched on or switched off between the first driven gear 5 and countershaft 3.In brief, shown in Fig. 1 first In kind embodiment, when the revolving speed of the first driven gear 5 is greater than or equal to the revolving speed of countershaft 3, freewheel clutch 8 is engaged;When When the revolving speed of first driven gear 5 is less than the revolving speed of countershaft 3, freewheel clutch 8 is separated.By in the first driven gear 5 and pair Freewheel clutch 8 is set between axis 3, so that can only be passed along from main shaft 2 to the direction of countershaft 3 by the first gear gear set Torque delivery, and torque cannot be transmitted along from countershaft 3 to the direction of main shaft 2 by the first gear gear set.
In the first embodiment shown in Fig. 1, first clutch 9 is connect with the second driving gear 6, for connect or Disconnect the power transmitting between the second driving gear 6 and main shaft 2.When first clutch 9 engages, it keeps the second driving gear 6 initiatively connect to rotate with main shaft 2;When first clutch 9 separates, it, which disconnects the second driving gear 6 with main shaft 2, revolves Turn.First clutch 9 can perhaps its engagement of wet clutch or discrete state can be by existing using existing dry type The various clutch operating devices having are controlled.Operating mechanism can use mechanical, fluid pressure type, electronic control type Etc..
In engine driving operating condition, when first clutch 9 engages, freewheel clutch 8 is separated;When first clutch 9 divides From when, freewheel clutch 8 engage.Specifically, control first clutch 9 separates, and the power of engine 1 successively passes through main shaft 2, the One driving gear 4 is transferred to the first driven gear 5, at this point, the outer rotating element of freewheel clutch 8 (is fixed on the first driven tooth Wheel 5, with the first driven gear 5 rotate synchronously) revolving speed be greater than freewheel clutch 8 interior rotating element (be fixed on countershaft 3, with Countershaft 3 rotate synchronously) revolving speed, freewheel clutch 8 engage, 1 power of engine passed sequentially through from the first driven gear 5 surmount from Clutch 8, countershaft 3 are transferred to output section 10, at this point, speed changer is in the first gear.It needs to switch to second gear from the first gear When position, control first clutch 9 is engaged, and since the transmission ratio of the first gear is greater than the transmission ratio of the second gear, leads to main shaft 2 Revolving speed instantaneously reduces, so that the revolving speed of the outer rotating element of freewheel clutch 8 is less than the revolving speed of interior rotating element, freewheel clutch 8 disconnect, and complete from the first gear to the switching of the second gear.When needing to switch to the first gear from the second gear, control first Clutch 9 disconnects, and engine 1 is transmitted by the second gear, and 3 revolving speed of countershaft reduces, and is down to and is equal to or less than when the revolving speed of countershaft 3 When the revolving speed of the second driven gear 5, that is, the revolving speed of the interior rotating element of freewheel clutch 8 is less than or equal to outer rotating element When revolving speed, freewheel clutch 8 is engaged, and is completed from the second gear to the switching of the first gear.
Second motor 12 can be connected by any suitable mode with countershaft 3, such as be connected by gear drive. Specifically, in the embodiment shown in figure 1, gear drive includes that intermeshing first transmission gear 13 and second passes Moving gear 14, the line shaft of the second motor 12 are engaged with the first transmission gear 13, and the second transmission gear 14 is connect with countershaft 3.
Freewheel clutch 8 can be arranged in main shaft 2, can also be arranged in countershaft 3;First clutch 9 can be arranged in master Axis 2 can also be arranged in countershaft 3.It can be seen that the gear arranged on the gear ratio main shaft 2 arranged on countershaft 3 from Fig. 1 to Fig. 6 More, in order to reduce the axial dimension of hybrid electric drive system, keep system structure more compact, preferably, can be by body The relatively small freewheel clutch 8 of product is arranged on countershaft 3, and the relatively large first clutch 9 of volume is arranged in main shaft 2 On.
Fig. 2 is the schematic block diagram according to second of embodiment of the disclosure.Second of embodiment and the first The difference of embodiment essentially consists in: in the second embodiment, the setting of freewheel clutch 8 is in the first driving gear 4 and master Between axis 2, the power that first clutch 9 is used to be switched on or switched off between the second driving gear 6 and main shaft 2 is transmitted.
Fig. 3 is the schematic block diagram according to the third embodiment of the disclosure.The third embodiment and the first The difference of embodiment essentially consists in: in the third embodiment, the setting of freewheel clutch 8 is in the first driving gear 4 and master Between axis 2, the power that first clutch 9 is used to be switched on or switched off between the second driven gear 7 and countershaft 3 is transmitted.
It should be noted that in the case where freewheel clutch 8 is arranged in main shaft 2, when the revolving speed of main shaft 2 is greater than the first master When the revolving speed of moving gear 4, freewheel clutch 8 is engaged;When revolving speed of the revolving speed of main shaft 2 less than the first driving gear 4, surmount from Clutch 8 disconnects.And in the case where freewheel clutch 8 is arranged in countershaft 3, when the revolving speed of the first driven gear 5 is greater than countershaft 3 When revolving speed, freewheel clutch 8 is engaged;When the revolving speed of the first driven gear 5 is less than the revolving speed of countershaft 3, freewheel clutch 8 divides From.
Fig. 4 is the schematic block diagram according to the 4th kind of embodiment of the disclosure.4th kind of embodiment and the first The difference of embodiment essentially consists in: one end of countershaft 3 is arranged in the second transmission gear 14, and passes through the second clutch with countershaft 3 Device 15 connects.By the way that second clutch 15 is arranged, so that in pure fuel oil operating condition (including pure fuel oil driving operating condition and pure oil-fired power generating Operating condition), it can be separated by control second clutch 15, by the second motor 12, the first transmission gear 13 and the second driving cog Wheel 14 is disengaged from countershaft 3, to reduce load, improves working efficiency.
Fig. 5 is the schematic block diagram according to the 5th kind of embodiment of the disclosure.5th kind of embodiment with second The difference of embodiment essentially consists in: one end of countershaft 3 is arranged in the second transmission gear 14, and passes through the second clutch with countershaft 3 Device 15 connects.By the way that second clutch 15 is arranged, so that in pure fuel oil operating condition (including pure fuel oil driving operating condition and pure oil-fired power generating Operating condition), it can be separated by control second clutch 15, by the second motor 12, the first transmission gear 13 and the second driving cog Wheel 14 is disengaged from countershaft 3, to reduce load, improves working efficiency.
Fig. 6 is the schematic block diagram according to the 6th kind of embodiment of the disclosure.6th kind of embodiment and the third The difference of embodiment essentially consists in: one end of countershaft 3 is arranged in the second transmission gear 14, and passes through the second clutch with countershaft 3 Device 15 connects.By the way that second clutch 15 is arranged, so that in pure fuel oil operating condition (including pure fuel oil driving operating condition and pure oil-fired power generating Operating condition), it can be separated by control second clutch 15, by the second motor 12, the first transmission gear 13 and the second driving cog Wheel 14 is disengaged from countershaft 3, to reduce load, improves working efficiency.
The hybrid electric drive system of the disclosure can have following operating condition;
One, the second motor pure electric vehicle operating condition.It controls first clutch 9 to disconnect, engine 1 and first motor 11 not work Make, the second motor 12 drives wheel by differential mechanism, and freewheel clutch 8 disconnects automatically.The operating condition is mainly used at the uniform velocity or city Situations such as road surface, while battery electricity with higher.The advantages of operating condition, is that the second motor 12 directly drives, and transmission chain is most Component that is short, participating in work is minimum, can achieve highest transmission efficiency and the smallest noise.
Two, bi-motor pure electric vehicle operating condition.Second motor is main power source, total power output;First electricity Machine is the power source of auxiliary, limits power output.First clutch 9 engages, and freewheel clutch 8 disconnects automatically, first motor 11 Power is transmitted to differential mechanism by main shaft 2, the second gear gear set, countershaft 3 to drive wheel.Second motor 12 passes through countershaft 3 Wheel is driven with differential mechanism.Two motors adjust revolving speed, it is ensured that the angular speed for being transferred to countershaft 3 is consistent.The operating condition is mainly used for Accelerate, climb, overtaking other vehicles, the larger load occasion such as high speed, and the higher situation of battery capacity.The operating condition drives compared to single motor Possess better power performance, possesses better economy and lower noise compared to hybrid power, can more protrude its advantage Typical applications be heavy grade (winding road) congestion road conditions.
Three, operating condition in parallel.Engine 1, first motor 11 and the second motor 12 drive wheel.Two motor adjustable speeds with Cooperate the output angular velocity of countershaft 2.The advantages of operating condition is that three engines (engine 1, first motor 11 and the second motor 12) are same When drive, maximum power performance can be played.
Four, series connection operating condition.It controls first clutch 9 to disconnect, engine 1 connects first motor 11 and charges, the second motor 12 Wheel is driven, freewheel clutch 8 disconnects automatically.The advantages of operating condition is that the second motor 12 directly drives, and transmission chain is most short, participates in The component of work is minimum, can achieve highest transmission efficiency and the smallest noise, while first motor 11 can pass through torque And rotational speed regulation, so that engine 1 is maintained at optimal economic area operation, reduces power generation oil consumption.
Five, engine independently drives operating condition.Engine from idling to vehicle launch, the torque of engine 1 by surmount from Clutch 8 is transmitted to countershaft 3 from main shaft 2, and as speed is promoted, freewheel clutch 8 is disconnected, and first clutch 9 engages, engine gear Position shifts to the second gear from the first gear.When gear switching, there is overlapping region in the engagement and disconnection process of two clutches, The momentary interruption for avoiding torque from transmitting guarantees that vehicle runs ride comfort.
Six, engine driving charging operating condition.On the basis of engine independently drives operating condition, while passing through driving first motor 11 power generations.
Seven, braking/deceleration feedback operating condition.It controls first clutch 9 to disconnect, freewheel clutch 8 disconnects automatically, engine 1 First motor 11 is driven to generate electricity, 12 brake wheel of the second motor simultaneously generates electricity.The operating condition is mainly used for vehicle descending, brakes or subtract Speed.When the advantages of operating condition is to slow down or brake, reach the maximization of feedback energy.Engine 1 and first motor 2 are direct-connected, So that generating state is stablized, frequent switching is avoided, the service life of component is enhanced.
Eight, mixed connection operating condition.On the one hand engine 1 drives first motor 11 to generate electricity, on the other hand will by shift gear group Power is transferred to differential mechanism to drive wheel, and the second motor 12 drives wheel by differential mechanism.The operating condition is mainly used for accelerating, climb The larger load occasion such as slope and electricity it is few in the case where.The advantages of operating condition is the whole power that can play engine 1, both Guarantee the dynamic property of vehicle, and can generate electricity simultaneously, keeps the electricity of battery.
In conclusion the disclosure can be realized engine two and keep off power by using freewheel clutch and first clutch Output, structure is simple, at low cost, handling good, greatly improves the fuel economy and vehicle ride comfort of engine.
According to one aspect of the disclosure, a kind of vehicle is provided, which uses hybrid drive train as described above System.
The preferred embodiment of the disclosure is described in detail in conjunction with attached drawing above, still, the disclosure is not limited to above-mentioned reality The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure Monotropic type, these simple variants belong to the protection scope of the disclosure.For example, in other embodiments, can will surmount from Clutch be arranged between the first driving gear and main shaft, and make first clutch for be switched on or switched off the second driving gear and Power transmitting between main shaft;Alternatively, freewheel clutch can be arranged between the first driven gear and countershaft, and make the The power transmitting that one clutch is used to be switched on or switched off between the second driven gear and countershaft.
It is further to note that specific technical features described in the above specific embodiments, in not lance In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the disclosure to it is various can No further explanation will be given for the combination of energy.
In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally Disclosed thought equally should be considered as disclosure disclosure of that.

Claims (11)

1. a kind of hybrid electric drive system characterized by comprising
Engine (1);
Speed changer, the speed changer include:
Main shaft (2), the output shaft and the main shaft (2) of the engine (1) are coaxially connected;
Countershaft (3), the countershaft (3) are parallel with main shaft (2);
First gear gear set is carried including the first driving gear (4) carried by the main shaft (2) and by the countershaft (3) The first driven gear (5);
Second gear gear set is carried including the second driving gear (6) carried by the main shaft (2) and by the countershaft (3) The second driven gear (7);
Freewheel clutch (8), the freewheel clutch (8) be arranged between first driving gear (4) and main shaft (2) or It is arranged between first driven gear (5) and countershaft (3), so that passing through the first gear gear set only can be along Torque is transmitted from the main shaft (2) to the direction of the countershaft (3);
First clutch (9), the first clutch (9) is for being switched on or switched off second driving gear (6) and main shaft (2) Between power transmitting, or power for being switched on or switched off between second driven gear (7) and countershaft (3) transmits;
First motor (11), the line shaft and the main shaft (2) of the first motor (11) are coaxially connected;
Output section (10), the output section (10) are used to export the power by the countershaft (3) transmitting to drive vehicle.
2. system according to claim 1, which is characterized in that one end of the main shaft (2) is defeated with the engine (1) Axis connection out, the other end of the main shaft (2) and the power axis connection of the first motor (11).
3. system according to claim 1, which is characterized in that in engine driving driving cycle, when first clutch When device (9) engages, freewheel clutch (8) separation;When the first clutch (9) separation, the freewheel clutch (8) Engagement.
4. system according to claim 1, which is characterized in that freewheel clutch (8) setting is driven described first Between gear (5) and countershaft (3), the first clutch (9) is for being switched on or switched off second driving gear (6) and main shaft (2) the power transmitting between.
5. system according to claim 4, which is characterized in that described to surmount when the speed changer is in the first gear Clutch (8) engagement, first clutch (9) separation, the power of the engine (1) successively pass through the main shaft (2), institute State the first driving gear (4), first driven gear (5), the freewheel clutch (8), the countershaft (3) be transferred to it is described Output section (10);When the speed changer is in the second gear, freewheel clutch (8) separation, the first clutch (9) Engagement, the power of the engine (1) successively pass through the main shaft (2), the first clutch (9), second driving tooth Wheel (6), second driven gear (7), the countershaft (3) are transferred to the output section (10).
6. system according to claim 5, which is characterized in that first gear is low gear, second gear For high speed gear.
7. system according to claim 1, which is characterized in that the system also includes the second motor (12), described second Motor (12) is connected with the countershaft (3).
8. system according to claim 7, which is characterized in that the line shaft and the countershaft of second motor (12) (3) it is connected by gear drive.
9. system according to claim 8, which is characterized in that the gear drive includes intermeshing first biography Moving gear (13) and the second transmission gear (14), the line shaft of second motor (12) and first transmission gear (13) are even It connects, second transmission gear (14) connect with the countershaft (3).
10. system according to claim 9, which is characterized in that second transmission gear (14) is arranged in the countershaft (3) one end, and connect with the countershaft (3) by second clutch (15).
11. a kind of vehicle, which is characterized in that including hybrid drive train according to claim 1 to 10 System.
CN201710920283.5A 2017-09-30 2017-09-30 Hybrid electric drive system and vehicle Withdrawn CN109591570A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710920283.5A CN109591570A (en) 2017-09-30 2017-09-30 Hybrid electric drive system and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710920283.5A CN109591570A (en) 2017-09-30 2017-09-30 Hybrid electric drive system and vehicle

Publications (1)

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CN109591570A true CN109591570A (en) 2019-04-09

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112193050A (en) * 2020-10-23 2021-01-08 东风汽车集团有限公司 Single motor transmission system
CN112606675A (en) * 2020-12-07 2021-04-06 东风汽车集团有限公司 Hybrid power driving method and device, power system, vehicle and related equipment
CN114194020A (en) * 2021-12-15 2022-03-18 奇瑞汽车股份有限公司 Hybrid power system and vehicle
CN117301761B (en) * 2023-11-01 2024-04-26 广州应凯路科技有限公司 Bicycle wheel with improved rim

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004122925A (en) * 2002-10-02 2004-04-22 Kokusan Denki Co Ltd Hybrid motorcycle and its power transmission device
CN101314325A (en) * 2007-05-31 2008-12-03 比亚迪股份有限公司 Driving system of hybrid vehicle
CN103573856A (en) * 2012-08-06 2014-02-12 格特拉格传动机构和齿轮工厂赫尔曼·哈根迈尔有限公司&两合公司 Step-variable transmission for a motor vehicle
CN204222631U (en) * 2014-09-30 2015-03-25 比亚迪股份有限公司 Power drive system and there is its vehicle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004122925A (en) * 2002-10-02 2004-04-22 Kokusan Denki Co Ltd Hybrid motorcycle and its power transmission device
CN101314325A (en) * 2007-05-31 2008-12-03 比亚迪股份有限公司 Driving system of hybrid vehicle
CN103573856A (en) * 2012-08-06 2014-02-12 格特拉格传动机构和齿轮工厂赫尔曼·哈根迈尔有限公司&两合公司 Step-variable transmission for a motor vehicle
CN204222631U (en) * 2014-09-30 2015-03-25 比亚迪股份有限公司 Power drive system and there is its vehicle

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112193050A (en) * 2020-10-23 2021-01-08 东风汽车集团有限公司 Single motor transmission system
CN112606675A (en) * 2020-12-07 2021-04-06 东风汽车集团有限公司 Hybrid power driving method and device, power system, vehicle and related equipment
CN112606675B (en) * 2020-12-07 2023-10-03 东风汽车集团有限公司 Hybrid power driving method and device, power system, vehicle and related equipment
CN114194020A (en) * 2021-12-15 2022-03-18 奇瑞汽车股份有限公司 Hybrid power system and vehicle
CN117301761B (en) * 2023-11-01 2024-04-26 广州应凯路科技有限公司 Bicycle wheel with improved rim

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