CN114103668A - Range extender and range extending vehicle - Google Patents
Range extender and range extending vehicle Download PDFInfo
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- CN114103668A CN114103668A CN202111479443.XA CN202111479443A CN114103668A CN 114103668 A CN114103668 A CN 114103668A CN 202111479443 A CN202111479443 A CN 202111479443A CN 114103668 A CN114103668 A CN 114103668A
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- 239000004606 Fillers/Extenders Substances 0.000 title claims abstract description 70
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000000926 separation method Methods 0.000 claims abstract description 3
- 238000009826 distribution Methods 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 3
- 238000010248 power generation Methods 0.000 claims description 3
- 239000007858 starting material Substances 0.000 description 19
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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- 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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
- B60L50/62—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles charged by low-power generators primarily intended to support the batteries, e.g. range extenders
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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
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/02—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
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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
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/28—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of power take-off
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The invention discloses a range extender and a range extending vehicle, wherein the range extender comprises a first battery, a starting motor, an engine, a clutch, a driving motor, a power take-off component and a second battery. The first battery is connected with the starting motor to supply power for the starting motor or realize charging through electric energy from the starting motor, and the starting motor is connected with the engine and used for starting the engine; a driven disc of the clutch is fixed on a rotor shaft of the driving motor, and the clutch controls the combination or the separation of the engine and the driving motor so as to control the transmission or the interruption of power between the engine and the driving motor; the second battery is connected with the driving motor and used for supplying power to the driving motor or realizing charging through electric energy from the driving motor; the power take-off component and the driving motor are coaxially arranged. The technical scheme of the invention can realize the power takeoff function in the range-extending vehicle, so that the range-extending vehicle realizes the function of a special vehicle.
Description
Technical Field
The invention relates to the technical field of range extending vehicles, in particular to a range extender and a range extending vehicle.
Background
The special vehicle is a vehicle which is provided with special equipment and has special functions, is used for bearing special transportation tasks or special operations and other special purposes, and is an important component of the vehicle industry. The special vehicles include sanitation special vehicles, engineering special vehicles, special vehicles, business special vehicles, transportation special vehicles, military special vehicles and the like. The power takeoff is a characteristic component of a special vehicle, generally composed of a gear box, a clutch and a controller, and is connected with a transmission or a motor of the vehicle, so as to output power to the outside to realize a special function.
With the increasing requirements on energy conservation and emission reduction, consumers pay more attention to the range-extended vehicles. The range extender vehicle is an electric vehicle running by electric energy in a vehicle battery, and when the electric quantity of the vehicle battery is insufficient, an engine of the range extender outputs power to drive a generator of the range extender to charge the battery so as to supply power for the running of the vehicle.
However, the conventional range-extending vehicle is not provided with a power takeoff, and the function of a special vehicle cannot be realized.
Disclosure of Invention
The invention mainly aims to provide a range extender, aiming at realizing a power takeoff function in a range-extended vehicle, so that the range-extended vehicle realizes the function of a special vehicle.
In order to achieve the above object, the present invention provides a range extender comprising: the power take-off device comprises a first battery, a starting motor, an engine, a clutch, a driving motor, a power take-off assembly and a second battery;
the first battery is connected with the starting motor to supply power for the starting motor or realize charging through electric energy from the starting motor, and the starting motor is connected with the engine and used for starting the engine;
a driven plate of the clutch is fixed on a rotor shaft of the driving motor, and the clutch controls the combination or separation of the engine and the driving motor so as to control the transmission or the interruption of power between the engine and the driving motor;
the second battery is connected with the driving motor and is used for supplying power to the driving motor or realizing charging through electric energy from the driving motor;
the power take-off assembly and the driving motor are coaxially arranged.
Optionally, the power take-off assembly is of a flange structure.
Optionally, the power take-off assembly comprises a first flange plate and a second flange plate which are connected with each other, the first flange plate is connected with the driving motor, and the second flange plate is used for being connected with the hydraulic pump to output power.
Optionally, the power take-off assembly is located at one end of the drive motor remote from the clutch.
Optionally, a clutch control pump is further disposed on the housing of the driving motor, and is used for controlling engagement or disengagement of the clutch.
Optionally, the range extender further comprises a flywheel provided at an output shaft of the engine.
Optionally, the range extender further comprises a power distribution unit, and the second battery is connected with the driving motor through the power distribution unit.
Optionally, the housing of the engine and the housing of the driving motor are connected by a first bolt.
Optionally, the range extender has at least any one or more of the following drive modes:
pure electric drive mode: the starting motor does not work, the engine does not work, the second battery supplies power to the driving motor, and the driving motor drives the power take-off assembly to work;
an engine drive mode: the driving motor does not work, the first battery supplies power to the starting motor, the starting motor drives the engine to rotate, and the clutch is combined, so that the engine drives the power take-off assembly to work; simultaneously, the starting motor generates power and charges the first battery;
hybrid drive mode: the starting motor does not work, the second battery supplies power to the driving motor, and the driving motor drives the power take-off assembly to work; meanwhile, the clutch is combined, so that the driving motor drives the engine to work, and the engine drives the power take-off assembly to work;
hybrid drive power generation mode: the first battery supplies power to the starting motor, the starting motor drives the engine to work, and the clutch is combined, so that the engine drives the power take-off assembly to work; and simultaneously, the engine drives the driving motor to generate electricity to the second battery.
The invention also provides a range extending vehicle which comprises the range extender.
According to the technical scheme, the power take-off assembly is arranged on the driving motor of the range extender and is coaxially arranged with the driving motor, so that the power take-off assembly can work along with the rotation of the driving motor. When the second battery electric quantity of the range extender is sufficient and can meet the driving requirement of the driving motor, the driving motor is adopted for driving, and the power take-off component works along with the rotation of the driving motor, so that the power take-off function of the range extender is realized. When the second battery of the range extender is insufficient in electric quantity, the driving of the driving motor cannot be realized, and the engine drives the driving motor to rotate when the engine is required to intervene in work, so that the power take-off assembly is driven to work, and the power take-off function of the range extender is realized. On one hand, compared with the scheme that a power takeoff in the prior art adopts a single power source, the power takeoff assembly can work normally no matter whether the power source is a driving motor or an engine, the power takeoff assembly can transmit the power of the range extender to the outside, the power takeoff function of the range extender is realized, and the functional requirements of the special vehicle are further met. The multi-power-source working mode of the power take-off assembly is realized, the problem that the power take-off assembly cannot work due to single power source faults is avoided, and then the conditions of loss of goods delivery or out-of-control working and the like are avoided. On the other hand, compared with the independent arrangement of the range extender and the power takeoff in the prior art, the range extender has the advantages that the power takeoff and the range extender are combined into a whole, the power takeoff is simplified into the power takeoff assembly and is arranged on the range extender, the range extender has the power takeoff function, the overall structural design is simple, and the production cost is reduced. On the other hand, compared with a single range extender in the prior art, the power take-off component is arranged on the driving motor of the range extender, so that the power take-off function of the range extender is realized, the functional requirements of the special vehicle are met, the range-extended vehicle is applied to the field of the special vehicle, and the application range of the range-extended vehicle is expanded.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a range extender of the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, "and/or" in the whole text includes three schemes, taking a and/or B as an example, including a technical scheme, and a technical scheme that a and B meet simultaneously; in addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In recent years, with the development of national economy, the purchasing ability of people is improved, the demand for transporting high-quality and high-value-added products is increased, the national energy-saving standard and safety standard and regulations accelerate the coming-out and implementation of energy-saving and emission-reduction strategies, and the like, and higher demands and requirements are put forward for the special vehicle market.
The special vehicle is a vehicle which is provided with special equipment and has special functions, is used for bearing special transportation tasks or special operations and other special purposes, and is an important component of the vehicle industry. The special vehicles include sanitation special vehicles, engineering special vehicles, special vehicles, business special vehicles, transportation special vehicles, military special vehicles and the like. The power takeoff is a characteristic component of a special vehicle, generally composed of a gear box, a clutch and a controller, and is connected with a transmission or a motor of the vehicle, so as to output power to the outside to realize a special function.
At present, a power takeoff is used as an independent part and is arranged on the side of an internal combustion engine or a transmission or is driven by a motor independently whether the vehicle is a traditional special vehicle or a new energy special vehicle. Therefore, the power take-off power source is a single internal combustion engine or a single motor, and the work of the power take-off needs to be established on the basis of the work of the internal combustion engine or the motor, so that the oil consumption or the energy consumption is high, and the energy conservation, emission reduction and intelligent control cannot be realized. Meanwhile, once the power source fails, the whole system falls into paralysis, the power takeoff cannot work normally, and the power takeoff may cause the loss of goods to be carried or work out of control and the like when being used.
The range extending vehicle is an electric vehicle running by electric energy in a battery, when the electric quantity of the battery of the vehicle is insufficient, the engine of the range extending device outputs power to drive the generator of the range extending device to charge the battery so as to supply power for running of the vehicle, and the range extending vehicle is more and more favored by consumers due to the advantages of environmental protection and no pollution. However, the conventional range-extending vehicle is not provided with a power takeoff part, that is, the range-extending vehicle cannot realize the power takeoff function, cannot realize the function of a special vehicle, and cannot be applied as the special vehicle.
In view of this, the present invention provides a range extender.
Referring to fig. 1, in the embodiment of the present invention, the range extender includes a first battery 10, a starter motor 20, an engine 30, a clutch 40, a driving motor 50, a power take-off assembly 60, and a second battery 70.
The first battery 10 is connected to the starter motor 20 to supply power to the starter motor 20 or to be charged by electric power from the starter motor 20, and the starter motor 20 is connected to the engine 30 to start the engine 30. Specifically, the first battery 10 is a low-voltage battery, typically a lead-acid battery, typically 12V or 24V, and is mainly used for supplying power to the starter motor 20 so that the starter motor 20 starts the engine 30. In an embodiment, the starter motor 20 has both driving and power generating functions, and when the starter motor 20 generates power, the first battery 10 receives power from the starter motor 20 to realize charging, so that the power is stored in the first battery 10 to ensure the capacity of the first battery 10.
A driven plate of the clutch 40 is fixed to a rotor shaft of the driving motor 50, and the clutch 40 controls coupling or decoupling of the engine 30 and the driving motor 50 to control transmission or interruption of power therebetween. Specifically, the range extender is provided with two power sources, namely an engine 30 and a driving motor 50, when the clutch 40 is combined with the engine 30, if the power source is the engine 30, the power of the engine 30 can be transmitted to the driving motor 50 through a rotor shaft of the engine 30 to drive the driving motor 50 to rotate; if the power source is the driving motor 50, the power of the driving motor 50 can be transmitted to the engine 30 to drive the engine 30 to rotate. When the clutch 40 is disengaged from the engine 30, power cannot be transmitted between the engine 30 and the drive motor 50. The engagement or disengagement of the clutch 40 controls the engagement or disengagement of the engine 30 and the drive motor 50, and thus controls the transmission or interruption of power between the engine 30 and the drive motor 50.
The second battery 70 is connected to the driving motor 50 to supply power to the driving motor 50 or to be charged by power from the driving motor 50. Specifically, in one embodiment, the driving motor 50 has both driving and power generating functions, i.e., the driving motor 50 can be used as a power source to provide driving force and can also be used as a generator to generate power. The second battery 70 supplies driving power to the driving motor 50 when the driving motor 50 serves as a power source, and the second battery 70 receives power from the driving motor 50 and stores the power to secure the capacity of the second battery 70 when the driving motor 50 serves as a generator. The second battery 70 is a high-voltage battery, which is commonly used in a variety of high-voltage lead-acid storage, high-voltage nickel-metal hydride batteries, high-voltage lithium batteries, etc., and the common voltage range is 300-.
The power take-off assembly 60 is disposed coaxially with the drive motor 50. Specifically, the power take-off assembly 60 is located at an end of the driving motor 50 away from the clutch 40, and is disposed on a rotor shaft of the driving motor 50, i.e., at an output end of the driving motor 50. When the electric quantity of the second battery 70 of the range extender is sufficient and can meet the driving requirement of the driving motor 50, the driving motor 50 is adopted for driving, and the power take-off component 60 works along with the rotation of the driving motor 50, so that the power take-off function of the range extender is realized. When the second battery 70 of the range extender is insufficient in electric quantity, the driving of the driving motor 50 cannot be realized, and the engine 30 needs to intervene in work, the engine 30 drives the driving motor 50 to rotate, so that the power take-off component 60 is driven to work, and the power take-off function of the range extender is realized. Therefore, no matter the power source is the driving motor 50 or the engine 30, the power take-off assembly 60 can work normally, the power of the range extender is transmitted to the outside, the power take-off function of the range extender is achieved, and the functional requirements of the special vehicle are further met. The multi-power-source working mode of the power take-off assembly 60 is realized, the problem that the power take-off assembly 60 cannot work due to single power source faults is avoided, and the conditions of cargo carrying loss or work out of control and the like are further avoided.
According to one technical scheme of the invention, the power take-off assembly 60 is arranged on the driving motor 50 of the range extender, and the power take-off assembly 60 and the driving motor 50 are coaxially arranged, so that the power take-off assembly 60 can work along with the rotation of the driving motor 50. When the electric quantity of the second battery 70 of the range extender is sufficient and can meet the driving requirement of the driving motor 50, the driving motor 50 is adopted for driving, and the power take-off component 60 works along with the rotation of the driving motor 50, so that the power take-off function of the range extender is realized. When the second battery 70 of the range extender is insufficient in electric quantity, the driving of the driving motor 50 cannot be realized, and the engine 30 needs to intervene in work, the engine 30 drives the driving motor 50 to rotate, so that the power take-off component 60 is driven to work, and the power take-off function of the range extender is realized. Therefore, on one hand, compared with the scheme that the power takeoff device in the prior art adopts a single power source, the power takeoff assembly 60 can work normally no matter whether the power source is the driving motor 50 or the engine 30, the power of the range extender can be transmitted to the outside, the power takeoff function of the range extender is realized, and the functional requirements of the special vehicle are further met. The multi-power-source working mode of the power take-off assembly 60 is realized, the problem that the power take-off assembly 60 cannot work due to single power source faults is avoided, and the conditions of cargo carrying loss or work out of control and the like are further avoided. On the other hand, compared with the independent arrangement of the range extender and the power takeoff in the prior art, the range extender has the advantages that the power takeoff and the range extender are combined into a whole, the power takeoff is simplified into the power takeoff assembly 60 and is arranged on the range extender, the range extender has the power takeoff function, the overall structural design is simple, and the production cost is reduced. On the other hand, compared with a single range extender in the prior art, the power take-off component 60 is arranged on the driving motor 50 of the range extender, so that the power take-off function of the range extender is realized, the functional requirements of the special vehicle are met, the range-extended vehicle is applied to the field of the special vehicle, and the application range of the range-extended vehicle is expanded.
Further, the power take-off assembly 60 is of a flange configuration. Therefore, the power take-off assembly 60 can be sleeved on the rotor shaft of the driving motor 50, and the installation of the power take-off assembly 60 and the driving motor 50 is simplified. Meanwhile, the flange plate structure is common in the production and assembly process, the driving motor 50 can be changed slightly due to the matching of the flange plate structure and the driving motor 50, the matching difficulty among various parts of the range extender and between the range extender and the whole vehicle is reduced, and the universality of the power take-off assembly 60 is improved. In addition, compared with the power takeoff structure in the prior art, the power takeoff assembly 60 eliminates the components such as a clutch, a shell, a gear, a controller and the like of the traditional power takeoff, and simplifies the hardware thereof into a flange structure, thereby reducing the cost and the weight.
Further, the power take-off assembly 60 includes a first flange 61 and a second flange 62 connected to each other, the first flange 61 is connected to the driving motor 50, and the second flange 62 is used for connecting to a hydraulic pump to output power. Specifically, first ring flange 61 and second ring flange 62 pass through the bolt and couple together driving motor 50 and hydraulic pump, and first ring flange 61 is connected with driving motor 50 transmission, can be with driving motor 50's power transmission to second ring flange 62, and second ring flange 62 and hydraulic pump connection to convert driving motor 50's mechanical energy into the pressure energy of liquid, and then outwards export power through the hydraulic pump, with the function demand of realization special-purpose vehicle. Therefore, the power take-off assembly 60 outputs power outwards, and the functional requirements of the special vehicle are met.
Further, to facilitate control of the clutch 40, a clutch control pump 41 is further provided on the housing of the driving motor 50 for controlling engagement or disengagement of the clutch 40. The coupling or decoupling of the clutch 40, and thus the coupling or decoupling of the engine 30 and the drive motor 50, can be conveniently controlled by the clutch control pump 41 to control the transmission or interruption of power between the engine 30 and the drive motor 50.
Further, the range extender further includes a flywheel 80, and the flywheel 80 is provided on the output shaft of the engine 30. Specifically, the flywheel 80 is disposed at a power output end of the engine 30, has rotational inertia, and is mainly used for storing energy and inertia outside a power stroke of the engine 30, overcoming resistance of other components, and uniformly rotating an output shaft of the engine 30.
Further, the range extender further includes a power distribution unit 71, and the second battery 70 is connected to the driving motor 50 through the power distribution unit 71. The Power Distribution Unit 71 (PDU) is an industry standard Power connection device in which the Power supply end is distributed to the device, and through the application of the product, the Power supply of the network product is safer, and the requirement of important devices on the stability and the safety of the Power supply is met. In one embodiment, the power of the second battery 70 is transmitted to the driving motor 50 through the power distribution unit 71 to provide power for driving the driving motor 50; meanwhile, when the driving motor 50 operates as a generator, the electric power it generates is charged to the second battery 70 through the power distribution unit 71.
Further, the housing of the engine 30 and the housing of the driving motor 50 are connected by the first bolt 31. In this way, the connection between the engine 30 housing and the drive motor 50 housing is achieved, and the clutch 40 and the flywheel 80 are located between the engine 30 housing and the drive motor 50 housing.
In this embodiment, under some special conditions, the engine 30 and the driving motor 50 can output power according to the actual condition requirement. The range extender has at least one or more of the following drive modes:
pure electric drive mode: the starter motor 20 does not work, the engine 30 does not work, the second battery 70 supplies power to the driving motor 50, and the driving motor 50 drives the power take-off assembly 60 to work.
Specifically, in this mode, the driving motor 50 is used as a power source, and the second battery 70 supplies power to the driving motor 50 through the power distribution unit 71, so that the driving motor 50 generates a driving force to rotate, thereby driving the power take-off assembly 60 to work. This mode is suitable for the condition that the second battery 70 is sufficient in capacity or the power of the driving motor 50 can meet the working requirement.
Driving mode of engine 30: the driving motor 50 does not work, the first battery 10 supplies power to the starting motor 20, the starting motor 20 drives the engine 30 to rotate, and the clutch 40 is combined, so that the engine 30 drives the power take-off assembly 60 to work; while the starter motor 20 is driven to generate power and is charged to the first battery 10.
Specifically, in this mode, the engine 30 is used as a power source, the first battery 10 supplies power to the starter motor 20, the starter motor 20 drives the engine 30 to rotate, at this time, the clutch 40 is engaged, the power of the engine 30 is transmitted to the driving motor 50, and then the power take-off assembly 60 is driven to operate, at this time, the driving motor 50 is in an idle state. At the same time, the starter motor 20 generates and charges the first battery 10. This mode is suitable for the condition that the second battery 70 is short of charge or the driving motor 50 is out of order.
Hybrid drive mode: when the starting motor 20 does not work, the second battery 70 supplies power to the driving motor 50, and the driving motor 50 drives the power take-off assembly 60 to work; meanwhile, the clutch 40 is engaged, so that the driving motor 50 drives the engine 30 to work, and the engine 30 drives the power take-off assembly 60 to work.
Specifically, in this mode, the driving motor 50 is used as a power source, and the second battery 70 supplies power to the driving motor 50 through the power distribution unit 71, so that the driving motor 50 generates a driving force to rotate, thereby driving the power take-off assembly 60 to work. Meanwhile, the clutch 40 is engaged, the power of the driving motor 50 is transmitted to the engine 30, and drives the engine 30 to rotate, and the engine 30 also transmits power to the power take-off assembly 60 to drive the power take-off assembly 60 to work. The mode is suitable for working conditions such as high-power requirements and the like.
Hybrid drive power generation mode: the first battery 10 supplies power to the starter motor 20, the starter motor 20 drives the engine 30 to work, and the clutch 40 is combined, so that the engine 30 drives the power take-off assembly 60 to work; at the same time, the engine 30 drives the driving motor 50 to generate electricity to the second battery 70.
Specifically, in this mode, the engine 30 is used as a power source, the first battery 10 supplies power to the starter motor 20, the starter motor 20 drives the engine 30 to rotate, at this time, the clutch 40 is engaged, and the power of the engine 30 is transmitted to the driving motor 50, so as to drive the power take-off assembly 60 to work; while the driving motor 50 generates power and is charged to the second battery 70 through the power distribution unit 71. The mode is suitable for the working conditions that the second battery 70 is insufficient in electric quantity and needs to be charged for supplementing the electric quantity.
The present invention further provides a range extending vehicle, which includes a range extending device, and the specific structure of the range extending device refers to the above embodiments, and since the range extending vehicle adopts all the technical solutions of all the above embodiments, the range extending vehicle at least has all the beneficial effects brought by the technical solutions of the above embodiments, and details are not repeated herein.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A range extender, comprising: the power take-off device comprises a first battery, a starting motor, an engine, a clutch, a driving motor, a power take-off assembly and a second battery;
the first battery is connected with the starting motor to supply power for the starting motor or realize charging through electric energy from the starting motor, and the starting motor is connected with the engine and used for starting the engine;
a driven plate of the clutch is fixed on a rotor shaft of the driving motor, and the clutch controls the combination or separation of the engine and the driving motor so as to control the transmission or the interruption of power between the engine and the driving motor;
the second battery is connected with the driving motor and is used for supplying power to the driving motor or realizing charging through electric energy from the driving motor;
the power take-off assembly and the driving motor are coaxially arranged.
2. The range extender of claim 1, wherein the force take-off assembly is of a flange configuration.
3. The range extender of claim 2, wherein the power take-off assembly comprises a first flange and a second flange connected to each other, the first flange being connected to the drive motor, the second flange being adapted to be connected to a hydraulic pump for outputting power.
4. The range extender of claim 1, wherein the power take-off assembly is located at an end of the drive motor remote from the clutch.
5. The range extender of claim 1, wherein a clutch control pump is further provided on the housing of the driving motor for controlling engagement or disengagement of the clutch.
6. The range extender of claim 1, further comprising a flywheel disposed on an output shaft of the engine.
7. The range extender of claim 1, further comprising a power distribution unit, wherein the second battery is coupled to the drive motor through the power distribution unit.
8. The range extender of claim 1, wherein the housing of the engine is coupled to the housing of the drive motor by a first bolt.
9. A range extender as claimed in any one of claims 1 to 8, wherein the range extender has at least one or more of the following drive modes:
pure electric drive mode: the starting motor does not work, the engine does not work, the second battery supplies power to the driving motor, and the driving motor drives the power take-off assembly to work;
an engine drive mode: the driving motor does not work, the first battery supplies power to the starting motor, the starting motor drives the engine to rotate, and the clutch is combined, so that the engine drives the power take-off assembly to work; simultaneously, the starting motor generates power and charges the first battery;
hybrid drive mode: the starting motor does not work, the second battery supplies power to the driving motor, and the driving motor drives the power take-off assembly to work; meanwhile, the clutch is combined, so that the driving motor drives the engine to work, and the engine drives the power take-off assembly to work;
hybrid drive power generation mode: the first battery supplies power to the starting motor, the starting motor drives the engine to work, and the clutch is combined, so that the engine drives the power take-off assembly to work; and simultaneously, the engine drives the driving motor to generate electricity to the second battery.
10. A range extended vehicle comprising the range extender of any one of claims 1 to 9.
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| CN202111479443.XA CN114103668A (en) | 2021-12-03 | 2021-12-03 | Range extender and range extending vehicle |
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| CN202111479443.XA CN114103668A (en) | 2021-12-03 | 2021-12-03 | Range extender and range extending vehicle |
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