CN112498130A - Range-extending hybrid power forklift and working method - Google Patents

Range-extending hybrid power forklift and working method Download PDF

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Publication number
CN112498130A
CN112498130A CN202011366336.1A CN202011366336A CN112498130A CN 112498130 A CN112498130 A CN 112498130A CN 202011366336 A CN202011366336 A CN 202011366336A CN 112498130 A CN112498130 A CN 112498130A
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CN
China
Prior art keywords
motor
mcu
bms
forklift
vcu
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Pending
Application number
CN202011366336.1A
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Chinese (zh)
Inventor
赵宏伟
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Yingkou Futai Technology Co ltd
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Yingkou Futai Technology Co ltd
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Priority to CN202011366336.1A priority Critical patent/CN112498130A/en
Publication of CN112498130A publication Critical patent/CN112498130A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L50/00Electric propulsion with power supplied within the vehicle
    • B60L50/50Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/61Electric 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075Constructional features or details
    • B66F9/07504Accessories, e.g. for towing, charging, locking
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075Constructional features or details
    • B66F9/07572Propulsion arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075Constructional features or details
    • B66F9/20Means for actuating or controlling masts, platforms, or forks
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/62Hybrid vehicles
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Geology (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

The invention relates to an extended-range hybrid power forklift and a working method. Along with the continuous rising of crude oil price in China, the high oil consumption machinery of diesel fork truck faces very big use cost pressure, and along with the continuous promotion of environmental protection standard, the harmful gas of solving fork truck during operation emission faces a lot of problems. An extended range hybrid forklift, comprising: fork truck frame (1), battery (2) are installed respectively to the fork truck frame, BMS (3), connecting wire (4), VCU (5), MCU (6), motor A (7), gear pump (8), motor B (9), MCU two (10), gearbox (11), GCU (12), generator (13), ECU (14) and engine (15), BMS is battery management system, the battery is connected with BMS, BMS respectively with VCU, MCU one, MCU two, GCU and ECU are connected, VCU is whole car the control unit, MCUA and MCUB are motor controller A and motor controller B, GCU is generator controller. The invention is applied to the field of automobiles.

Description

Range-extending hybrid power forklift and working method
Technical Field
The invention relates to an extended-range hybrid power forklift and a working method.
Background
Fork truck mainly is diesel oil fork truck and electric fork truck at present, and the diesel oil fork truck owner is the diesel engine drive, and the big moment of torsion of low-speed during the main operating mode of fork truck during operation, tail gas during operation often smoke. The electric forklift is mainly a forklift driven by a battery as a power source, and the battery provides electric energy for the motor during working so as to finish the lifting and walking actions of the forklift. Electric forklifts require a long downtime to charge the batteries.
The prior art has the following defects:
along with the continuous rising of crude oil price in China, the high oil consumption machinery of diesel fork truck faces very big use cost pressure, and along with the continuous promotion of environmental protection standard, the harmful gas of solving fork truck during operation emission faces a lot of problems. The main problem of the electric forklift is charging, the charging time is long, and continuous work cannot be carried out. The use of an exchange station and battery charging requires the preparation of charging facilities and equipment, and in addition, electric forklifts cannot be operated in the field. The battery recycling problem remains to be solved.
Disclosure of Invention
The invention aims to provide an extended-range hybrid power forklift and a working method.
The above purpose is realized by the following technical scheme:
an extended range hybrid forklift, comprising: the fork truck frame, the fork truck frame install battery, BMS, connecting wire, VCU, MCU I, motor A, gear pump, motor B, MCU two, gearbox, GCU, generator, ECU and engine respectively, the BMS be battery management system, the battery be connected with the BMS, the BMS be connected with VCU, MCU I, MCU two, GCU and ECU respectively, VCU be whole car the control unit, MCUA and MCUB be motor controller A and motor controller B, GCU be generator control ware, ECU be engine the control unit.
The extended-range hybrid power forklift is characterized in that the first MCU is connected with the motor A, and the motor is connected with the gear pump.
And the second MCU is connected with a motor B, and the motor B is connected with a gearbox.
The extended-range hybrid forklift is characterized in that the GCU is connected with the generator, the generator is connected with the engine, and the engine is connected with the ECU.
The invention has the beneficial effects that:
1. the extended-range hybrid forklift has the advantages of low oil consumption, high exhaust emission standard and long endurance time. Compared with diesel fork trucks and electric fork trucks on the market at present, the diesel fork truck solves the problems of high oil consumption, low emission standard, black smoke emission and the like of a diesel engine. The problems that the electric forklift cannot work continuously, the charging time is long, or the cost for replacing the battery is high are solved.
The forklift frame of the present invention mounts an extended range hybrid system (components 2 to 15). The ECU controls the rotating speed and power of the engine, and communicates with the GCU and the VCU; the engine drives the generator to generate electricity; the fuel tank provides fuel for the work of the engine; the battery is used for providing electric energy for the motor B and the motor A and storing the electric energy generated by the generator; the generator charges the battery, and provides electric energy GCU for the motor B and the motor A to control the generator to generate electricity and control the use of the generator to generate the electric energy. And the second MCU controls the motor B to work. Motor B drives the gear pump. The gear pump provides power for the forklift to lift the goods. The gearbox is connected with the motor A and the forklift, and the motor A drives the forklift through the gearbox. The motor A drives the forklift to move forward and backward through the gearbox. The MCU I controls the motor A to work and communicates with the VCU. The VCU acquires signals of the ECU, the GCU, the MCU I and the MCU II, controls the system to work, and meets the working condition requirements of the forklift.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
The forklift comprises a forklift frame, 2, a battery, 3, a BMS (battery management system), 4, a connecting wire, 5, a VCU (whole vehicle control unit), 6, a first MCU (motor controller I), 7, a motor A, 8, a gear pump, 9, a motor B, 10, a second MCU (motor controller II), 11, a gearbox, 12, a GCU (engine controller) 13, a generator, 14, an ECU (engine control unit), 15 and an engine.
The specific implementation mode is as follows:
example 1:
an extended range hybrid forklift, comprising: fork truck frame 1, the fork truck frame install battery 2, BMS3, connecting wire 4, VCU5, MCU 6, motor A7, gear pump 8, motor B9, two 10 of MCU, gearbox 11, GCU12, generator 13, ECU14 and engine 15 respectively, the BMS be battery management system, the battery be connected with the BMS, the BMS be connected with VCU, MCU one, MCU two, GCU and ECU respectively, VCU be whole car the control unit, MCUA and MCUB be motor controller A and motor controller B, GCU be generator controller, ECU be engine the control unit.
Example 2:
according to the extended-range hybrid forklift in the embodiment 1, the first MCU is connected with the motor A, and the motor is connected with the gear pump.
Example 3:
3. according to the extended range hybrid forklift of embodiment 1 or 2, the second MCU is connected with the motor B, and the motor B is connected with the gearbox.
Example 4:
according to the extended range hybrid forklift of embodiment 1, 2 or 3, the GCU is connected to a generator, the generator is connected to an engine, and the engine is connected to the ECU.
Example 5:
the working steps are as follows:
when the forklift runs, the VCU communicates with the GCU, the ECU, the MCU II and the BMS according to the requirements of no-load running, no-load climbing, load climbing and the like of the forklift, the ECU controls the rotating speed and the load of the engine, and the generator generates electric energy with different powers. The electric energy is supplied to the second MCU, the second MCU controls the output of the motor B, and the walking action is completed through the gearbox.
When the electric energy of the generator can not meet the output requirement of the motor B, the VCU outputs a signal to the BMS, and the BMS controls the battery and the generator to jointly provide the electric energy for the motor B.
When the forklift lifts heavy objects, the VCU communicates with the GCU, the ECU, the MCU I and the BMS according to the weight of the forklift lifting the heavy objects, the ECU controls the rotating speed and the load of the engine, and the generator generates electric energy with different powers. The electric energy is provided for the first MCU, the first MCU controls the output of the motor A, and the lifting action is completed through the gear pump.
When the electric energy of generator can not satisfy motor A output demand, VCU output signal to BMS, BMS control battery and generator provide the electric energy for motor A jointly.
When the forklift lifts a heavy object while walking, the VCU communicates with the GCU, the ECU, the MCU I and the MCU II and the BMS according to the working condition requirements of the forklift, the ECU controls the rotating speed and the load of the engine, and the generator generates electric energy with different powers. The electric energy is supplied to the first MCU and the second MCU, the first MCU controls the output of the motor A, and the lifting is carried out through the gear pump; the second MCU controls the output of the motor B, the motor B walks through the gearbox, and the above systems work simultaneously to complete the combined operation working condition of the forklift.
When the electric energy of the generator can not meet the output requirements of the motor A and the motor B, the VCU outputs a signal to the BMS, and the BMS controls the battery and the generator to jointly provide the electric energy for the motor A and the motor B.
When the electric energy of the battery is reduced, the VCU communicates with the GCU and the BMS, and the GCU controls the generator to charge the battery when the forklift works at low load.

Claims (9)

1. An extended range hybrid forklift, comprising: fork truck frame, characterized by: fork truck frame install battery, BMS, connecting wire, VCU, MCU one, motor A, gear pump, motor B, MCU two, gearbox, GCU, generator, ECU and engine respectively, the BMS be battery management system, the battery be connected with the BMS, the BMS pass through the connecting wire and be connected with VCU, MCU one, MCU two, GCU and ECU respectively, VCU be whole car the control unit, MCUA and MCUB be motor controller A and motor controller B, GCU be generator control ware, ECU be engine the control unit.
2. The extended range hybrid forklift of claim 1, wherein: the first MCU is connected with the motor A, and the motor is connected with the gear pump.
3. The extended range hybrid forklift of claim 1, wherein: the second MCU is connected with a motor B, and the motor B is connected with a gearbox.
4. The extended range hybrid forklift of claim 1, wherein: the GCU is connected with a generator, the generator is connected with an engine, and the engine is connected with the ECU.
5. The extended range hybrid lift truck of claim 1 or 2 or 3 or 4, wherein: the ECU controls the rotating speed and power of the engine and communicates with the GCU and the VCU, the MCU II controls the motor B to work, the MCU I controls the motor A to work and communicates with the VCU, and the VCU acquires signals of the ECU, the GCU, the MCU I and the MCU II.
6. An operating method of the extended range hybrid forklift of any one of claims 1 to 5, characterized by: the method comprises the following steps:
when the forklift runs, the VCU communicates with the GCU, the ECU, the MCU II and the BMS according to the requirements of no-load running, no-load climbing, load climbing and the like of the forklift, the ECU controls the rotating speed and the load of the engine, and the generator generates electric energy with different powers.
7. The electric energy is supplied to the second MCU, the second MCU controls the output of the motor B, the walking action is completed through the gearbox, when the electric energy of the generator cannot meet the output requirement of the motor B, the VCU outputs a signal to the BMS, and the BMS controls the battery and the generator to supply the electric energy for the motor B together;
when the forklift lifts heavy objects, the VCU communicates with the GCU, the ECU, the MCU I and the BMS according to the weight of the forklift lifting the heavy objects, the ECU controls the rotating speed and the load of the engine, and the generator generates electric energy with different powers.
8. The electric energy is provided for MCU one, and MCU one control motor A output, through the gear pump, accomplishes the action of lifting, and when the electric energy of generator can not satisfy motor A output demand, VCU output signal to BMS, BMS control battery and generator provide the electric energy for motor A jointly.
9. When the forklift lifts a heavy object while walking, the VCU communicates with the GCU, the ECU, the MCU I, the MCU II and the BMS according to the working condition requirements of the forklift, the ECU controls the rotating speed and the load of the engine, the generator generates electric energy with different powers, the electric energy is supplied to the MCU I and the MCU II, the MCU I controls the output of the motor A, and the lifting is carried out through the gear pump; the second MCU controls the output of the motor B, and the motor B walks through the gearbox, and the systems work simultaneously to complete the combined operation working condition of the forklift;
when the electric energy of the generator can not meet the output requirements of the motor A and the motor B, the VCU outputs a signal to the BMS, and the BMS controls the battery and the generator to jointly provide the electric energy for the motor A and the motor B;
when the electric energy of the battery is reduced, the VCU controls the generator to charge the battery when the forklift works under low load.
CN202011366336.1A 2020-11-29 2020-11-29 Range-extending hybrid power forklift and working method Pending CN112498130A (en)

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CN202011366336.1A CN112498130A (en) 2020-11-29 2020-11-29 Range-extending hybrid power forklift and working method

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CN112498130A true CN112498130A (en) 2021-03-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113978229A (en) * 2021-10-22 2022-01-28 苏州亿威动力科技有限公司 Range-extending running and series operation hybrid power system suitable for engineering machinery

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113978229A (en) * 2021-10-22 2022-01-28 苏州亿威动力科技有限公司 Range-extending running and series operation hybrid power system suitable for engineering machinery

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Application publication date: 20210316