WO2016173033A1 - 一种纯电动车的全过程能量动态回收增程系统及增程方法 - Google Patents
一种纯电动车的全过程能量动态回收增程系统及增程方法 Download PDFInfo
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- WO2016173033A1 WO2016173033A1 PCT/CN2015/080007 CN2015080007W WO2016173033A1 WO 2016173033 A1 WO2016173033 A1 WO 2016173033A1 CN 2015080007 W CN2015080007 W CN 2015080007W WO 2016173033 A1 WO2016173033 A1 WO 2016173033A1
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- battery pack
- extended range
- power battery
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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
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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
- B60K1/00—Arrangement or mounting of electrical propulsion units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K11/00—Motorcycles, engine-assisted cycles or motor scooters with one or two wheels
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
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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
Definitions
- the invention relates to the technical field of extended-range electric vehicles, in particular to a full-process energy dynamic recovery extended range system and a range extending method of a pure electric vehicle.
- the existing electric bicycles have been improved in various aspects, such as: improving the energy density of the battery itself; reducing the weight of the whole vehicle; using a high-efficiency motor; or improving the conversion efficiency from the control mode.
- people are also exploring the possible energy conversion and recovery during the riding process, such as: during the operation of the battery-driven motor, using the reversible conversion of the motor and the generator, the brakes are coasting and the downhill potential energy is riding.
- the kinetic energy is converted into electrical energy, and the battery is recharged to achieve the purpose of energy recovery and extended range. Since this energy recovery depends on riding conditions and riding techniques, the range extension has uncertainties and limitations.
- the present invention is directed to the above problems in the prior art, and proposes a full-process energy dynamic recovery and extended range system and an extended range method for a pure electric vehicle, which can feed back battery energy while riding during riding, maximizing The energy is recovered and the range extension effect is stable.
- the invention provides a full-process energy dynamic recovery and extended range method for a pure electric vehicle, which comprises the following steps:
- the power battery pack turns on the power supply, supplies power to the hub motor on the driving wheel, drives the driving wheel to rotate, and drives the pure electric vehicle to advance with a certain acceleration;
- the extended range controller outputs the power transmitted by the hub generator to the power battery pack to charge the power battery pack;
- the step S13 further includes:
- the hub motor on the drive wheel is reversible as a generator that converts the kinetic energy of the drive wheel into electrical energy and transmits it to the range controller.
- the step S14 is further: the range controller outputs the power transmitted by the hub generator and the hub motor to the power battery pack to charge the power battery pack.
- the method further includes the following steps:
- the extended range controller uses the electric energy transmitted by the hub generator to supply power to itself and/or accumulate energy, and then outputs the power to the power battery pack to charge the power battery pack. These steps are performed simultaneously with steps S11, S12, S13, S14, and S15.
- the invention also provides a full-process energy dynamic recovery and extended range method for a pure electric vehicle, which comprises the following steps:
- the extended range controller uses the electric energy transmitted by the hub generator to supply power to itself and/or accumulate energy, and then outputs the power to the power battery pack to charge the power battery pack.
- the method further includes the following steps:
- the power battery pack turns on the power supply, supplies power to the hub motor on the driving wheel, drives the driving wheel to rotate, and drives the pure electric vehicle to advance with a certain acceleration;
- the step S62 and the step S63 further include:
- the hub motor on the drive wheel is reversible as a generator, converting the kinetic energy of the drive wheel into electrical energy and transmitting it to the extended range controller.
- the method further includes:
- S81 The extended range controller outputs the power transmitted by the hub motor to the power battery pack to charge the power battery pack.
- the invention also provides a full-process energy dynamic recovery and extended range method for a pure electric vehicle, which comprises the following steps:
- the power battery pack turns on the power supply, supplies power to the hub motor on the driving wheel, drives the driving wheel to rotate, and drives the pure electric vehicle to advance with a certain acceleration;
- the invention also provides a full-process energy dynamic recovery and extended range system for a pure electric vehicle, comprising: a driving wheel, a passive wheel, a system controller, a power battery pack and an extended range controller; wherein:
- An axle motor is mounted on the driving wheel, a hub generator is mounted on the driven wheel, and the driving wheel is connected to the driven wheel through a mechanical bracket;
- the system controller is coupled to the drive wheel
- the power battery pack is connected to the driving wheel
- One end of the range controller is connected to the hub generator, and the other end of the range controller is connected to the power battery pack.
- the hub motor is coaxial with the drive wheel; the hub generator is coaxial with the driven wheel.
- the hub motor is a reversible motor.
- the hub motor is coupled to the range controller.
- the power battery pack is further connected to the system controller to supply power to the system controller.
- the present invention also provides another full process energy dynamic recovery extended range system, comprising: a drive wheel, a passive wheel, a system controller and a power battery pack; wherein:
- the driving wheel and the passive wheel are connected by a mechanical bracket
- An axle motor is mounted on the driving wheel, and the hub motor is a reversible motor;
- the power battery pack is bidirectionally coupled to the hub motor
- the system controller is coupled to the hub motor and the power battery pack, respectively.
- the hub motor is coaxial with the drive wheel.
- the present invention has the following advantages:
- the extended range controller of the present invention is designed as an independent additional control system, and does not need to change the original self-control system, has a simple structure and low conversion cost;
- the whole process energy dynamic recovery and extended range system and the extended range method of the invention have obvious range extending effect.
- the power supply of the power battery pack is disconnected, and when the vehicle speed is decelerated to a predetermined lower speed, the power is turned on again.
- the power supply of the battery pack can make the average speed of the electric vehicle change less, and the driving is relatively stable;
- the hub motor on the drive wheel is reversible as a generator, and the kinetic energy of the drive wheel is converted into electric energy to charge the power battery pack.
- FIG. 1 is a schematic structural view of a full-process energy dynamic recovery and extension system of a pure electric vehicle according to Embodiment 1 of the present invention
- FIG. 2 is a schematic structural view of a full-process energy dynamic recovery and extension system of a pure electric vehicle according to Embodiment 2 of the present invention
- FIG. 3 is a schematic structural view of a full-process energy dynamic recovery and extended range system of a pure electric vehicle according to Embodiment 3 of the present invention.
- Embodiment 5 is a flowchart of a full-process energy dynamic recovery and extended range method according to Embodiment 5 of the present invention.
- FIG. 6 is a flowchart of a full-process energy dynamic recovery and extended range method according to Embodiment 6 of the present invention.
- FIG. 7 is a flowchart of a method for dynamic recovery of an entire process energy according to Embodiment 7 of the present invention.
- This embodiment describes in detail the full-process energy dynamic recovery and extended range system of the pure electric vehicle of the present invention.
- the schematic structural diagram thereof is as shown in FIG. 1 , and includes: a system controller 11 , a driving wheel 12 , a passive wheel 13 , a power battery pack 14 , Hub generator 21 and range controller 22.
- the driving wheel 12 is mounted with a hub motor
- the hub motor is coaxial with the driving wheel 12
- the system controller 11 is connected with the hub motor of the driving wheel 12, thereby controlling the rotation speed, rotation, etc.
- the driving wheel 12 is connected by a mechanical bracket;
- the hub generator 21 is mounted on the driven wheel 14 coaxial with the driven wheel 13;
- the hub generator 21 is connected to one end of the range controller 22, and the hub generator 21 converts the kinetic energy of the driven wheel 13 into The power is transmitted to the range controller 22, and the other end of the range controller 22 is connected to the power battery pack 14.
- the range controller 22 outputs power to the power battery pack 14 for charging; the power battery pack 14 and the drive wheel 12
- the hub motor is connected to power the hub motor to provide power;
- the range controller 22 is also used to control the on and off of the power battery pack 14.
- the power battery pack 14 is also connected to the system controller 11 to supply power to the system controller 11.
- the system controller 11, the drive wheel 12, the driven wheel 13, and the power battery pack 14 are the existing control systems 1 of the existing pure electric vehicle, and the hub generator 21 and the range controller 22 are additional range-up systems 2.
- the extended range system of the embodiment can recycle all the recoverable energy of the passive wheel to charge the power battery pack, and realize the side riding charging by the additional extended range system 2, and the extended range effect is stable; It is an improvement made on the basis of its own control system 1. It does not need to change its own control system 1, and has a simple structure and low cost.
- the hub motor 13 on the drive wheel 12 is set as a reversible motor, which can be converted into a generator; and the hub motor 13 is connected to the range controller 22, and the hub motor 13 is reversible.
- the kinetic energy of the drive wheel 12 is converted into electrical energy for transmission to the range controller 22, and the range controller 22 outputs the transmitted electrical energy to the power battery pack 15 to charge the power battery pack 15.
- the hub motor converts the kinetic energy of the drive wheel 12 into electrical energy for transmission to the range controller 22, while the hub generator 21 transmits the kinetic energy of the driven wheel 13 to the range controller 22 as well.
- the range controller 22 outputs the electric energy to the power battery pack 14 to charge the power battery pack 14, that is, simultaneously recovers the kinetic energy of the driven wheel 13 and the kinetic energy of the driving wheel 12 to charge the power battery pack 14; (2) the hub motor will The kinetic energy of the drive wheel 12 is converted into electrical energy for transmission to the range controller 22, while the hub generator 21 transmits the kinetic energy of the driven wheel 13 to the range controller 22, and the range controller 22 outputs the power transmitted by the hub motor to The power battery pack 14 supplies power to the power battery pack. At this time, the kinetic energy of the recovery drive wheel 12 is used to charge the power battery pack 14. The kinetic energy of the driven wheel 13 is not recovered and/or accumulated energy, and then output to the power battery pack. The power battery pack is charged.
- This embodiment can not only recover the kinetic energy of the passive wheel 13, but also supply power to the range controller 22 or charge the power battery pack 14 through the range controller 22, and can also recover the kinetic energy of the drive wheel 12 for use.
- the controller 22 charges the power battery pack 14 to fully utilize all of the recyclable energy, and the extended range effect is more obvious, and the continuation time is longer.
- FIG. 3 The schematic diagram of the structure is as shown in FIG. 3, which includes: a system controller 11, a driving wheel 12, a driven wheel 13, and a power battery pack 14, which are mounted on the driving wheel 12.
- a hub motor the hub motor is coaxial with the drive wheel 12, and the hub motor is a reversible motor; the drive wheel 12 and the passive wheel 13 are connected by a mechanical bracket; the power battery pack 14 is bidirectionally connected with the hub motor, and the power battery pack 14 can supply power to the hub motor.
- the hub motor can also charge the power battery pack 14; the system controller 11 is coupled to the hub motor; the power battery pack 14 is coupled to the system controller 11, and the system controller 11 controls the on and off of the power battery pack 14.
- the power battery pack 14 When the pure electric vehicle is in an accelerating state, the power battery pack 14 is energized to supply power to the hub motor, and the driving drive wheel 12 is rotated to drive the pure electric vehicle to accelerate forward. When the predetermined upper vehicle speed is reached, the power battery pack 14 is disconnected as the hub motor. At this time, the hub motor is reversible as a generator, and the kinetic energy of the driving wheel is converted into electric energy, which is output to the power battery pack 14 to charge the power battery pack 14.
- Embodiment 1 and Embodiment 2 do not need to change the original control system 1, and an additional extended range system 2 is added on the basis of the self-control system 1.
- the self-control system 1 is modified to make the system
- the controller 11 has a function of controlling the on/off power of the power battery pack 14, and the hub motor that controls the drive wheels 12 is converted into a generator to recover the kinetic energy of the drive wheels 12.
- FIG. 4 This embodiment describes in detail the full-process energy dynamic recovery and extended range method of the pure electric vehicle of the present invention.
- the flow chart is shown in FIG. 4, which includes the following steps:
- the power battery pack turns on the power supply, supplies power to the hub motor on the driving wheel, drives the driving wheel to rotate, and drives the pure electric vehicle to advance with a certain acceleration;
- the extended range controller outputs the power transmitted by the hub generator to the power battery pack to charge the power battery pack;
- the existing energy recovery range-increasing system of pure electric vehicles is basically implemented in two states: inertial kinetic energy and downhill kinetic energy during braking, and the electric motor brake switch is used to reversibly generate the driving motor in the electric brake and the brake combination switch. Recycling energy to dynamically charge the battery, this technical solution has matured and is used in vehicles. Since this energy recovery depends on the road conditions and driving skills and habits, the range-enhancing effect has uncertainties and limitations, and the range-enhancing effect is limited.
- the energy dynamic recovery in the whole range is obtained by changing the operation mode, and is fed back to the power battery group to achieve the purpose of the extended range.
- the operating principle is as follows: a hub generator is installed on the passive wheel, and the power battery pack outputs energy to the hub motor of the driving wheel, and the speed adjustment device of the system controller drives the vehicle to advance with a certain acceleration, so that the driving wheel and the passive wheel are both Get kinetic energy, when the vehicle speed reaches the set upper speed, disconnect the power supply of the power battery pack, the vehicle must move forward at a deceleration speed, convert the kinetic energy of the drive wheel and the passive wheel (the hub motor is reversible into a generator) into electric energy and pass
- the output of the extended range controller is used to recharge the power battery pack.
- the power supply is used to accelerate the drive wheel.
- the range controller is switched to work.
- the power is decelerated to the lower speed, and then the power supply of the power battery pack is switched.
- the inertia kinetic energy between the upper vehicle speed and the lower vehicle speed is converted into electric energy to be recharged to the power battery pack, and the calculation formula is:
- the extended range method of this embodiment disconnects the power supply of the power battery pack when the pure electric vehicle accelerates to the predetermined upper vehicle speed, recycles the inertia kinetic energy of the passive wheel, and charges the power battery pack, thereby saving battery energy and making it The continuation time increases; when decelerating to the predetermined lower speed, the power supply of the power battery pack is turned on again to ensure that the average speed of the pure electric vehicle changes little.
- step S13 the hub motor on the driving wheel is reversible as a generator, and The kinetic energy of the driving wheel is converted into electric energy and transmitted to the extended range controller; step S14 is further: the extended range controller outputs the electric energy transmitted from the hub generator and the hub motor to the power battery pack for charging.
- the inertia kinetic energy of the driving wheel can also be recycled, the recycling effect is more effective, the extended range effect is more stable, and the continuation time is longer.
- the kinetic energy of the passive wheel is converted into electric energy by using a hub generator, and is transmitted to the extended range controller.
- the flow chart is shown in FIG. 4, and includes the following steps:
- the extended range controller uses the electric energy transmitted by the hub generator to supply power to itself and/or accumulate energy, and then outputs the power to the power battery pack to charge the power battery pack.
- the kinetic energy of the passive wheel is converted into electric energy by the hub generator and transmitted to the extended range controller, and when the energy is relatively small, the energy is used to supply the extended range controller;
- the range controller When accumulating a certain amount, the range controller outputs excess energy to the power battery pack to supply power to the power battery pack.
- the energy recovery method is the same as in the fourth embodiment.
- the existing electric bicycles use the power battery as the energy source, and the motor is driven by the control system, and the motor is directly combined with the hub (or coupled through the coupling and the hub) as the power source of the driving wheel, and the driving wheel passes through the bracket and the passive
- the wheel one or more is coupled so that the driving wheel drives the vehicle forward, and the energy conversion relationship is:
- Electric energy power battery
- kinetic energy 1 drive wheel
- kinetic energy 2 passive wheel
- the energy consumption relationship has been determined, so the energy in the energy conversion relationship has been conserved, and it is impossible to have energy recovery, so it is generally considered that during the riding process. It is impossible to feed energy back to the power battery while riding in the middle.
- the kinetic energy 4 in the above formula can be used as energy recovery and can be converted into electrical energy for feedback to the power battery.
- the implied excess energy here is caused by the fact that the drive wheel and the driven wheel are different axes, and they are connected by a mechanical bracket.
- the controller and the sensor are mainly for the drive wheel, so there is an induction sensitivity on the passive wheel, that is, The passive wheel has a response threshold due to an increase in load (weight increase or generator as a passive wheel output load), and energy for the threshold (non-response) can be recycled. This is called Implicit excess energy, when this threshold is exceeded, the load of the passive wheel will synchronously cause the energy of the power battery to increase, and the energy conservation state, it is impossible to recover energy.
- the extended range method of the present embodiment makes full use of the hidden excess energy of the passive wheel, converts it into electric energy through the hub generator, supplies power to the extended range controller and/or accumulates energy, and then outputs the power to the power battery pack. Charge the power battery pack. It realizes energy recovery and dynamic recharging in the whole running process, that is, charging while running, recycling all the hidden excess energy and inertial kinetic energy of the passive wheel, accumulating The effect of the extended range is more obvious, and the average speed of the electric vehicle can be changed less.
- the kinetic energy of the passive wheel is also converted into electric energy by the hub generator, and transmitted to the extended range controller.
- the energy is relatively small, only the kinetic energy of the drive wheel is recovered to supply power to the power battery pack.
- the power converted by the kinetic energy of the passive wheel is only used to power the extended range controller and/or accumulate energy and then output to the power battery pack to charge the power battery pack.
- Step S13 in Embodiment 4 is changed to: the hub generator on the passive wheel converts the kinetic energy of the passive wheel into electric energy, and transmits it to the extended range controller to supply power to the extended range controller; and the driving wheel
- the upper hub motor is reversible as a generator, converting the kinetic energy of the driving wheel into electric energy and transmitting it to the extended range controller;
- step S14 is changed to: the extended range controller outputs the electric energy transmitted by the hub motor to the power battery pack , charging the power battery pack.
- This embodiment is directed to the extended range method of the extended range system of Embodiment 3.
- the flowchart of FIG. 7 includes the following steps:
- the power battery pack turns on the power supply, supplies power to the hub motor on the driving wheel, drives the driving wheel to rotate, and drives the pure electric vehicle to advance with a certain acceleration;
- the pure electric vehicle type of the invention may be (1) pure electric vehicle non-motor vehicle: including two-wheel, three-wheel, four-wheel, multi-wheel vehicle, etc.; (2) pure electric vehicle: including domestic passenger car, bus, etc. (3) Pure electric special vehicle, suitable for all electric vehicles with rechargeable battery and energy source.
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Abstract
Description
Claims (15)
- 一种纯电动车的全过程能量动态回收增程方法,其特征在于,包括以下步骤:S11:动力电池组开启供电,为驱动轮上的轮毂电机供电,驱动驱动轮转动,带动纯电动车以一定的加速度前行;S12:当纯电动车的速度增速至预定上车速时,在增程控制器的作用下,动力电池组断开供电,纯电动车开始减速;S13:被动轮上的轮毂发电机将被动轮的动能转换成电能,并将其传输给增程控制器;S14:增程控制器将轮毂发电机传输来的电能输出给动力电池组,为动力电池组充电;S15:当纯电动车的速度减速至预定下车速时,在增程控制器的作用下,动力电池组开启供电,返回步骤S11。
- 根据权利要求1所述的增程方法,其特征在于,所述步骤S13还包括:驱动轮上的轮毂电机可逆为发电机,将驱动轮的动能转换为电能,并将其传输给增程控制器。
- 根据权利要求2所述的增程方法,其特征在于,所述步骤S14进一步为:增程控制器将轮毂发电机以及轮毂电机传输来的电能输出给动力电池组,为动力电池组充电。
- 根据权利要求1或3所述的增程方法,其特征在于,同时还包括以下步骤:S41:在纯电动车骑行过程中,轮毂发电机将被动轮的动能转换为电能,并将其传输给增程控制器;S42:增程控制器利用轮毂发电机传输来的电能为其自身供电和/或累积能量后再输出给动力电池组,为动力电池组充电。
- 一种纯电动车的全过程能量动态回收增程方法,其特征在于,包括以下步骤:S51:在纯电动车骑行过程中,轮毂发电机将被动轮的动能转换为电能,并传输给增程控制器;S52:增程控制器利用轮毂发电机传输来的电能为其自身供电和/或累积能量后再输出给动力电池组,为动力电池组充电。
- 根据权利要求5所述的增程方法,其特征在于,同时还包括以下步骤:S61:动力电池组开启供电,为驱动轮上的轮毂电机供电,驱动驱动轮转动,带动纯电动车以一定的加速度前行;S62:当纯电动车的速度增速至预定上车速时,在增程控制器的作用下,动力电池组断开供电,纯电动车开始减速;S63:当纯电动车的速度减速至预定下车速时,在增程控制器的作用下,动力电池组开启供电,返回步骤S61。
- 根据权利要求6所述的增程方法,其特征在于,所述步骤S62与所述步骤S63之间还包括:S71:驱动轮上的轮毂电机可逆为发电机,将驱动轮的动能转换为电能,并传输给增程控制器。
- 根据权利要求7所述的增程方法,其特征在于,所述步骤S71之后还包括:S81:增程控制器将轮毂电机传输来的电能输出给动力电池组,为动力电池组充电。
- 一种纯电动车的全过程能量动态回收增程方法,其特征在于,包括以下步骤:S91:动力电池组开启供电,为驱动轮上的轮毂电机供电,驱动驱动轮转动,带动纯电动车以一定的加速度前行;S92:当纯电动车的速度增速至预定上车速时,在系统控制器的作用下,动力电池组断开供电,纯电动车开始减速;S93:驱动轮上的轮毂电机可逆为发电机,将驱动轮的动能转换成电能;S94:在系统控制器的作用下,轮毂电机将电能输出给动力电池组,为动力电池组充电;S95:当纯电动车的速度减速至预定下车速时,在系统控制器的作用下,动力电池组开启供电,返回步骤S91。
- 一种纯电动车的全过程能量动态回收增程系统,其特征在于,包括:驱动轮、被动轮、系统控制器、动力电池组以及增程控制器;其中:所述驱动轮上安装有轮毂电机,所述被动轮上安装有轮毂发电机,所述驱动轮与所述被动轮由机械支架相连;所述系统控制器与所述驱动轮相连;所述动力电池组与所述驱动轮相连;所述增程控制器的一端与所述轮毂发电机相连,所述增程控制器的另一端与所述动力电池组相连。
- 根据权利要求10所述的增程系统,其特征在于,所述轮毂电机与所述驱动轮同轴;所述轮毂发电机与所述被动轮同轴。
- 根据权利要求10所述的增程系统,其特征在于,所述轮毂电机为可逆电机。
- 根据权利要求12所述的增程系统,其特征在于,所述轮毂电机与所述增程控制器相连。
- 一种纯电动车的全过程能量动态回收增程系统,其特征在于,包括:驱动轮、被动轮、系统控制器以及动力电池组;其中:所述驱动轮与所述被动轮通过机械支架相连;所述驱动轮上安装有轮毂电机,所述轮毂电机为可逆电机;所述动力电池组与所述轮毂电机双向连接;所述系统控制器分别与所述轮毂电机以及动力电池组相连。
- 根据权利要求14所述的增程系统,其特征在于,所述轮毂电机与所述驱动轮同轴。
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