CN112848875A - Single-clutch double-gear low-cost hybrid power system and driving method thereof - Google Patents
Single-clutch double-gear low-cost hybrid power system and driving method thereof Download PDFInfo
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- CN112848875A CN112848875A CN202110259463.XA CN202110259463A CN112848875A CN 112848875 A CN112848875 A CN 112848875A CN 202110259463 A CN202110259463 A CN 202110259463A CN 112848875 A CN112848875 A CN 112848875A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/54—Transmission for changing ratio
- B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
- B60K2006/381—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches characterized by driveline brakes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model provides a low-cost hybrid power system of single clutch double-gear, includes power input end and power take off end, power input end is provided with first power supply, and this hybrid power system still includes first epicyclic train, second epicyclic train, first stopper and second stopper. The hybrid power system designed by the invention adopts the motor and the two planet rows, and the two planet rows share the gear ring, so that the hybrid power system has the advantages of simple structure, convenience in processing and low cost; only one clutch is adopted in the whole framework to match with other gear structures, so that two different gears, namely a low-speed gear and a high-speed gear, of the heavy dump truck are realized, and the cost is low; the optimal performance suitable for the heavy dump truck is achieved by utilizing the respective characteristics of the engine and the motor and the speed change of the secondary planetary gear.
Description
Technical Field
The invention belongs to the field of hybrid power system development, and particularly relates to a single-clutch double-gear low-cost hybrid power system and a driving method thereof.
Background
At present, automobile emission and energy consumption become global problems, and with more and more strict environmental protection measures in various countries in the world, more and more proposals for replacing fuel engine automobiles, such as hydrogen energy automobiles, fuel cell automobiles, hybrid automobiles and the like, are provided; at present, the hybrid electric vehicle has the most practical value and a commercial operation mode, and only has the hybrid electric vehicle. Hybrid vehicles with low emissions and low energy consumption have become one of the mainstream of the current automobile industry development, and the key of the hybrid vehicle is a hybrid system, and the performance of the hybrid vehicle is directly related to the performance of the whole hybrid vehicle. The hybrid power means that the automobile adopts two driving modes of fuel oil driving and electric driving; the advantages that when the vehicle is started and stopped or at low speed, the vehicle can be driven only by the motor, and the engine does not work when the vehicle does not reach a certain speed; therefore, the engine can be prevented from being in an inefficient working condition state, and the electric energy is sourced from the engine and only needs to be added with oil.
At present, common heavy dump trucks (such as mining dump trucks and the like) are mainly used for completing specific tasks, have the working characteristics of short travel and heavy load bearing, and are loaded by large electric shovels or hydraulic shovels to and from a mining point and a discharging point.
The existing heavy dump truck needs to have two gears of a low-speed gear and a high-speed gear according to working condition requirements, the cost of a gearbox of the existing heavy dump truck needs to be controlled in a lower range, the existing gearbox has more or less defects and cannot completely meet the conditions, and in order to meet the requirements of customers and the working conditions of the heavy dump truck and the like, a low-cost hybrid power system with good working condition coverage degree and a driving method thereof are designed to solve the problems.
It should be noted that the above background description is only for the sake of clarity and complete description of the technical solutions of the present invention and for the understanding of those skilled in the art. Such solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the invention.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a single-clutch double-gear low-cost hybrid power system and a driving method thereof.
In order to achieve the above objects and other related objects, the present invention provides the following technical solutions: a single-clutch double-gear low-cost hybrid power system comprises a power input end and a power output end, wherein the power input end is provided with a first power source, and the hybrid power system further comprises a first epicyclic gear train, a second epicyclic gear train, a first brake and a second brake;
the first rotating wheel system comprises a first planet wheel, a first sun wheel, a first gear ring and a first planet carrier, the first planet wheel is respectively connected with the first sun wheel and the first gear ring, and the first planet wheel is connected with the first planet carrier;
the second epicyclic gear train comprises a second planet wheel, a second sun wheel, a second gear ring and a second planet carrier, the second planet wheel is respectively connected with the second sun wheel and the second gear ring, and the second planet wheel is connected with the second planet carrier;
the first sun gear is connected with the first brake, and the first planet carrier is connected with the power input end;
the second sun gear is connected with the first planet carrier, the second planet carrier is connected with the power output end, the second gear ring is connected with the first gear ring, and the first gear ring and the second gear ring are both connected with the second brake.
The preferable technical scheme is as follows: the power input end is also provided with a second power source.
The preferable technical scheme is as follows: the second power source is in transmission connection with the first planet carrier through a clutch.
The preferable technical scheme is as follows: the clutch is a dry clutch.
The preferable technical scheme is as follows: the first power source is a motor, and the second power source is an engine.
The preferable technical scheme is as follows: the power output end is connected with the wheels.
The preferable technical scheme is as follows: the first gear ring and the second gear ring are integrally arranged.
The preferable technical scheme is as follows: the method comprises the following steps:
in a first working state, the clutch is disconnected, the first brake is disconnected, and the second brake is combined;
in a second working state, the clutch is combined, the first brake is combined, and the second brake is disconnected;
and in a third working state, the clutch is combined, the first brake is disconnected, and the second brake is disconnected.
The invention also provides a driving method of the single-clutch double-gear low-cost hybrid power system, which comprises the following steps: realizing a starting and low-speed running mode through a first working state; and locking the second brake, fixing the first gear ring and the second gear ring, disconnecting the clutch, inputting the torque of the first power source through a second sun gear of the second epicyclic gear train, and outputting the torque through a second planet carrier of the second epicyclic gear train to realize a pure electric starting and low-speed mode.
The invention also provides a driving method of the single-clutch double-gear low-cost hybrid power system, which comprises the following steps: realizing a high-speed operation mode through the second working state; and the second brake is disconnected, the clutch and the first brake are combined, one path of power is input from the second sun gear, one path of power is input from the first planet carrier and input to the second gear ring after being accelerated from the first gear ring, and two paths of power are input from the second planet carrier after being synthesized, so that high-speed output is realized.
Due to the application of the technical scheme, compared with the prior art, the invention has the advantages that:
the hybrid power system designed by the invention adopts the motor and the two planet rows, and the two planet rows share the gear ring, so that the hybrid power system has the advantages of simple structure, convenience in processing and low cost; only one clutch is adopted in the whole framework to match with other gear structures, so that two different gears, namely a low-speed gear and a high-speed gear, of the heavy dump truck are realized, and the cost is low; the optimal performance suitable for the heavy dump truck is achieved by utilizing the respective characteristics of the engine and the motor and the speed change of the secondary planetary gear.
Drawings
FIG. 1 is a first block diagram of the present invention.
FIG. 2 is a second schematic diagram of the present invention.
In the above drawings, the second power source 1, the clutch 2, the first power source 3, the first brake 4, the first gear ring 5, the second brake 6, the second planet carrier 7, the second planet wheel 8, the second sun gear 9, the first planet carrier 10, the first planet wheel 11, the first sun gear 12, and the second gear ring 13.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1 and 2. It should be understood that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the product of the present invention is usually placed in when used, which is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a communication between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1: as shown in fig. 1, a single-clutch double-gear low-cost hybrid system comprises a power input end and a power output end, wherein the power input end is provided with a first power source 3, and the hybrid system further comprises a first epicyclic gear train, a second epicyclic gear train, a first brake 4 and a second brake 6; the first epicyclic gear train comprises a first planet wheel 11, a first sun wheel 12, a first gear ring 5 and a first planet carrier 10, wherein the first planet wheel 11 is respectively connected with the first sun wheel 12 and the first gear ring 5, and the first planet wheel 11 is connected with the first planet carrier 10; the second epicyclic train comprises a second planet wheel 8, a second sun wheel 9, a second ring gear 13 and a second planet carrier 7, the second planet wheel 8 is respectively connected with the second sun wheel 9 and the second ring gear 13, and the second planet wheel 8 is connected with the second planet carrier 7; the first sun gear 12 is connected with the first brake 4, and the first planet carrier 10 is connected with the power input end; the second sun gear 9 is connected with the first planet carrier 10, the second planet carrier 7 is connected with the power output end, the second gear ring 13 is connected with the first gear ring 5, and the first gear ring 5 and the second gear ring 13 are both connected with the second brake 6.
Example 2: as shown in fig. 2, a single clutch 2 dual-gear low-cost hybrid system comprises a power input end and a power output end, wherein the power input end is provided with a first power source 3, and the hybrid system further comprises a first epicyclic gear train, a second epicyclic gear train, a first brake 4 and a second brake 6; the first epicyclic gear train comprises a first planet wheel 11, a first sun wheel 12, a first gear ring 5 and a first planet carrier 10, wherein the first planet wheel 11 is respectively connected with the first sun wheel 12 and the first gear ring 5, and the first planet wheel 11 is connected with the first planet carrier 10; the second epicyclic train comprises a second planet wheel 8, a second sun wheel 9, a second ring gear 13 and a second planet carrier 7, the second planet wheel 8 is respectively connected with the second sun wheel 9 and the second ring gear 13, and the second planet wheel 8 is connected with the second planet carrier 7; the first sun gear 12 is connected with the first brake 4, and the first planet carrier 10 is connected with the power input end; the second sun gear 9 is connected with the first planet carrier 10, the second planet carrier 7 is connected with the power output end, the second gear ring 13 is connected with the first gear ring 5, and the first gear ring 5 and the second gear ring 13 are both connected with the second brake 6. The power input end is also provided with a second power source 1. The second power source 1 is in driving connection with the first planet carrier 10 via the clutch 2. The first power source 3 is a motor, and the second power source 1 is an engine. The power output end is connected with the wheels.
The preferred embodiment is: the clutch 2 is a dry clutch. The dry clutch has low cost, light weight, good fuel economy and high torque transmission efficiency.
The preferred embodiment is: the first ring gear 5 is provided integrally with the second ring gear 13. Convenient processing and low production cost.
The working state comprises the following steps:
in the first working state, the clutch 2 is disconnected, the first brake 4 is disconnected, and the second brake 6 is combined;
in a second working state, the clutch 2 is combined, the first brake 4 is combined, and the second brake 6 is disconnected;
in the third operating state, the clutch 2 is engaged, the first brake 4 is disengaged, and the second brake 6 is disengaged.
The driving method of the hybrid power system comprises the following steps:
realizing a starting and low-speed running mode through a first working state; and the second brake 6 is locked, so that the first gear ring 5 and the second gear ring 13 are fixed, the clutch 2 is disconnected, the torque of the first power source 3 is input through the second sun gear 9 of the second epicyclic gear train and is output by the second planet carrier 7 of the second epicyclic gear train, and the pure electric starting and low-speed mode is realized.
Realizing a high-speed operation mode through a second working state; the second brake 6 is disconnected, the clutch 2 and the first brake 4 are combined, one path of power is input from the second sun gear 9, one path of power is input from the first planet carrier 10 and input to the second gear ring 13 after the speed of the first gear ring 5 is increased, and the two paths of power are synthesized and input from the second planet carrier 7 to realize high-speed output.
The application comprises the following steps:
starting and low-speed working conditions: the second brake 6 is locked, the first gear ring 5 and the second gear ring 13 are fixed, the first brake 4 is disconnected, the dry clutch 2 of the second power source 1 is disconnected, the torque of the first power source 3 is input through the second sun gear 9 of the second epicyclic gear train and is output to the second planet carrier 7 of the second epicyclic gear train, the large-transmission-ratio speed reduction output is realized, and the pure electric mode is realized by the first working state.
High-speed working conditions: when the speed is increased continuously, the second brake 6 is disconnected, the first brake 4 is combined, one path of power is input from the second sun gear 9 of the second epicyclic gear train, the other path of power is input from the first planet carrier 10 of the first epicyclic gear train, the power is input from the first gear ring 5 to the second gear ring 13 of the second epicyclic gear train after being increased in speed, overspeed output is realized from the second planet carrier 7 after combination, when the rotating speed of the first power source 3 is increased to be above a certain speed, the second power source 1 is started and participates in work, at the moment, the power is mainly provided by the second power source 1, the first power source 3 can be switched into a power generation mode to supplement battery energy, the mode can also be determined according to the capacity and load of the battery, and at the moment, three modes are: the power generation device comprises a second power source 1+ a first power source 3 for driving, a second power source 1+ a first power source 3 for following, and a second power source 1+ a first power source 3 for generating power; there is a second operating state to implement.
And (3) slowly driving on a downhill: the second power source 1 is closed or idled, the clutch 2 of the second power source 1 is disconnected, the first power source 3 generates electricity to recover energy, and the gear of the epicyclic gear train is determined according to the vehicle speed.
Deceleration and braking: the second power source 1 is closed or idled, the clutch 2 of the second power source 1 is disconnected, the first power source 3 generates electricity to recover energy, and the gear of the epicyclic gear train is determined according to the vehicle speed.
Parking power generation: the second power source 1 idles or normally works, the clutch 2 of the second power source 1 is combined, the first brake 4 and the second brake 6 are disconnected, and the first power source 3 is in a power generation state.
The hybrid power system designed by the invention adopts the motor and the two planet rows, and the two planet rows share the gear ring, so that the hybrid power system has the advantages of simple structure, convenience in processing and low cost; only one clutch is adopted in the whole framework to match with other gear structures, so that two different gears, namely a low-speed gear and a high-speed gear, of the heavy dump truck are realized, and the cost is low; the optimal performance suitable for the heavy dump truck is achieved by utilizing the respective characteristics of the engine and the motor and the speed change of the secondary planetary gear.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a two low-cost hybrid power system of gear of single clutch, includes power input end and power take off end, power input end is provided with first power supply, its characterized in that: the hybrid power system further comprises a first epicyclic gear train, a second epicyclic gear train, a first brake and a second brake;
the first rotating wheel system comprises a first planet wheel, a first sun wheel, a first gear ring and a first planet carrier, the first planet wheel is respectively connected with the first sun wheel and the first gear ring, and the first planet wheel is connected with the first planet carrier;
the second epicyclic gear train comprises a second planet wheel, a second sun wheel, a second gear ring and a second planet carrier, the second planet wheel is respectively connected with the second sun wheel and the second gear ring, and the second planet wheel is connected with the second planet carrier;
the first sun gear is connected with the first brake, and the first planet carrier is connected with the power input end;
the second sun gear is connected with the first planet carrier, the second planet carrier is connected with the power output end, the second gear ring is connected with the first gear ring, and the first gear ring and the second gear ring are both connected with the second brake.
2. A single clutch dual range low cost hybrid powertrain as claimed in claim 1 wherein: the power input end is also provided with a second power source.
3. A single clutch dual range low cost hybrid powertrain as claimed in claim 2 wherein: the second power source is in transmission connection with the first planet carrier through a clutch.
4. A single clutch dual range low cost hybrid powertrain as claimed in claim 3 wherein: the clutch is a dry clutch.
5. The single-clutch dual-gear low-cost hybrid system according to claim 4, wherein: the first power source is a motor, and the second power source is an engine.
6. A single clutch dual range low cost hybrid powertrain as claimed in claim 5 wherein: the power output end is connected with the wheels.
7. A single clutch dual range low cost hybrid powertrain as claimed in claim 6 wherein: the first gear ring and the second gear ring are integrally arranged.
8. A single clutch, dual gear, low cost hybrid powertrain as claimed in claim 7, comprising:
in a first working state, the clutch is disconnected, the first brake is disconnected, and the second brake is combined;
in a second working state, the clutch is combined, the first brake is combined, and the second brake is disconnected;
and in a third working state, the clutch is combined, the first brake is disconnected, and the second brake is disconnected.
9. The method of claim 8 for driving a single-clutch, dual-gear, low-cost hybrid powertrain, comprising: realizing a starting and low-speed running mode through a first working state; and locking the second brake, fixing the first gear ring and the second gear ring, disconnecting the clutch, inputting the torque of the first power source through a second sun gear of the second epicyclic gear train, and outputting the torque through a second planet carrier of the second epicyclic gear train to realize a pure electric starting and low-speed mode.
10. The method of claim 8 for driving a single-clutch, dual-gear, low-cost hybrid powertrain, comprising: realizing a high-speed operation mode through the second working state; and the second brake is disconnected, the clutch and the first brake are combined, one path of power is input from the second sun gear, one path of power is input from the first planet carrier and input to the second gear ring after being accelerated from the first gear ring, and two paths of power are input from the second planet carrier after being synthesized, so that high-speed output is realized.
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Address after: 215000 No.4, Xingwang Road, Industrial Park 2, Huangqiao street, Xiangcheng District, Suzhou City, Jiangsu Province Applicant after: Suzhou Asia Pacific Jingrui Transmission Technology Co.,Ltd. Address before: 215000 No.4, Xingwang Road, Industrial Park 2, Huangqiao street, Xiangcheng District, Suzhou City, Jiangsu Province Applicant before: SUZHOU ASIA PACIFIC METAL Co.,Ltd. |