CN101011942A - Industrial vehicle with hybrid power - Google Patents

Industrial vehicle with hybrid power Download PDF

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Publication number
CN101011942A
CN101011942A CNA2007100201049A CN200710020104A CN101011942A CN 101011942 A CN101011942 A CN 101011942A CN A2007100201049 A CNA2007100201049 A CN A2007100201049A CN 200710020104 A CN200710020104 A CN 200710020104A CN 101011942 A CN101011942 A CN 101011942A
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CN
China
Prior art keywords
motor
generator
inversion
ecu controller
industrial vehicle
Prior art date
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Granted
Application number
CNA2007100201049A
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Chinese (zh)
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CN101011942B (en
Inventor
肖亨琳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Kipor Power Co Ltd
Original Assignee
Wuxi Kipor Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuxi Kipor Power Co Ltd filed Critical Wuxi Kipor Power Co Ltd
Priority to CN200710020104A priority Critical patent/CN101011942B/en
Publication of CN101011942A publication Critical patent/CN101011942A/en
Application granted granted Critical
Publication of CN101011942B publication Critical patent/CN101011942B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • 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
    • Y02T10/72Electric energy management in electromobility

Abstract

The invention relates to a hybrid powered industrial vehicle. It mainly comprises the engine, generator, hydraulic oil pump, inversion system, ECU controller, running device, operation device and discharge device. It features in the broken or connected clutch for drive delivery, the said generator installed at the flywheel end of the engine, with the said engine driving while running in generator mode, through ECU controller to control the inversion system. It is simple in allocation, compact, with increased energy conversion ratio, low manufacturing cost, and long battery durability.

Description

A kind of industrial vehicle with hybrid power
Technical field
The present invention relates to a kind of industrial vehicle with hybrid power, the industrial vehicle that especially a kind of fork load-unload operation is used belongs to the handler technical field.
Background technology
At present, the industrial vehicle of existing hybrid power, as patent publication No. is that CN1839091A is disclosed: a kind of loading and unloading operation handler of industrial vehicle, and it mainly comprises driving engine, generator/motor, hydraulic oil pump, inversion system, ECU controller, running gear, actuation means and handler; Generator/motor connection inversion system and connection are used for the storage battery of energy storage; Hydraulic oil pump connects handler; With above-mentioned inversion system bonded assembly running gear; The actuation means of controlling above-mentioned handler and running gear is connected with the ECU controller.Carry out the power-transfer clutch, battery of the disconnecting of power between the two and in order to drive the loading and unloading pump of fork at driving engine and generator motor.Generator motor adopts any pattern in generator mode and the electric motor mode, when loading and unloading load (detecting), clutch is set as off-state less than predetermined value with the loading and unloading lever position sensor, driving engine is stopped or dallying, generator motor with electric motor mode drives the loading and unloading pump simultaneously, if load increases to more than the predetermined value in the loading and unloading operation under the power-transfer clutch off-state, just increase the output of generator motor and begin to increase the rotating speed of driving engine, when the rotating speed of driving engine equates with the rotating speed of generator motor, power-transfer clutch is set as coupled condition, loads and unloads pump with engine drive.This complex structure, manufacturing cost height, when disconnecting, power-transfer clutch carries out in the loading and unloading operation with battery-operated loading and unloading pump, the increase that detects load needs fire an engine and makes the rotating speed of driving engine bring up to the rotating speed the same with generator motor, connect power-transfer clutch again, the required therebetween time is caused the delay of response of loading and unloading operation, and fire an engine and increasing motor power increase the discharge of storage battery in a hurry, can be unfavorable for the longer life of storage battery like this and can not easily finish loading and unloading operation.
Summary of the invention
The objective of the invention is to overcome above-mentioned weak point, thereby a kind of industrial vehicle with hybrid power is provided, can make industrial vehicle single-piece engine installation arrange simplification, densification; Can improve the conversion efficiency of energy with the efficient that improves the driving engine operation; Low cost of manufacture can solve loading and unloading operation delay of response problem and can prolong storage battery service life.
Main solution of the present invention is achieved in that
The present invention mainly comprises driving engine, generator/motor, hydraulic oil pump, inversion system, ECU controller, running gear, actuation means and handler; Generator/motor connection inversion system and connection are used for the storage battery of energy storage; Hydraulic oil pump connects handler; With above-mentioned inversion system bonded assembly running gear; The actuation means of controlling above-mentioned handler and running gear is connected with the ECU controller, it is characterized in that being provided with between described generator/motor and the hydraulic oil pump and disconnect or the bonded assembly power-transfer clutch, be used for the transmission of power, described generator/motor is installed in the flywheel end of driving engine, by described engine drive, be connected with storage battery when working by ECU controller control inversion system with generator mode; The electric energy that charges a battery or driving is provided for described running gear provides energy by storage battery via the inversion system that ECU controls when working with electric motor mode, and auxiliary engine drives hydraulic oil pump.
Movable motor in the running gear of the present invention adopts AC induction motor.
Generator/motor of the present invention is multipole permanent magnetism inner-rotor-type generator/motor.
The present invention with have the sixth of the twelve Earthly Branches technology to compare to have the following advantages:
The present invention makes industrial vehicle single-piece engine installation arrange simplification, densification owing to be provided with disconnection, bonded assembly clutch configuration between employing driving engine, generator/motor and the hydraulic oil pump; The rotating speed of driving engine can be controlled according to the loading and unloading magnitude of load by the ECU controller, the control driving engine is under the most economical operating mode and moves when loading and unloading load is not more than setting value, have only when loading and unloading load greater than setting value, the rotating speed of driving engine just promotes, and power demand is complementary during with loading and unloading operation.When the ECU controller detected storage battery energy and drops to certain level, ECU also can control driving engine and be raised to suitable rotating speed, improved the conversion efficiency of energy with the efficient that improves the driving engine operation; When not making loading and unloading operation when the ECU controller detects the industrial vehicle walking, cut-off clutch reduces driving engine owing to drive the degradation of energy that hydraulic oil pump produced, and saves the energy; Simultaneously because the integrated setting of its driving engine, generator/motor, and generator/motor can provide required drive by auxiliary engine when the rapid rising of loading and unloading load, make loading and unloading operation become light, and reduced the complexity of ECU controller, and can reduce the manufacturing cost of this industrial vehicle.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention one.
Fig. 2 is the embodiment of the invention one an A enlarged drawing.
Fig. 3 is the industrial vehicle with hybrid power block diagram of the embodiment of the invention one.
Fig. 4 is the industrial vehicle with hybrid power block diagram of the embodiment of the invention two.
Fig. 5 is the industrial vehicle with hybrid power block diagram of the embodiment of the invention three.
The specific embodiment
Embodiment during following the present invention incites somebody to action in conjunction with the accompanying drawings is further described:
The present invention is mainly by driving engine 1, generator/motor 2, hydraulic oil pump 3, driving engine electric-regulating device 4, petrol storage tank 5, ECU controller 6, inversion system 7, storage battery 8, pressure sensor 9, fluid-link steering valve 10, power-transfer clutch 11, multiway valve 12, elevating ram 13, fork 14, dump ram 15, acceleration pedal 16, brake pedal 17, promote bar handle 18, bank control handle 19, walking bar handle 20, steer motor 21, steering hydraulic pump 22, steering handwheel 23, deflector 24, back steeraxle 25, turn to oil cylinder 26, movable motor 27, propons 28, running gear 29, actuation means 30, handler 31, engine installation 32, electrical generator 33, electric direction varying device 34, compositions such as electric powered steering bridge 35 and steer motor 36.
Embodiment one:
As shown in Figure 1, 2, 3: the present invention mainly is made up of engine installation 32, running gear 29, operating control 30, handler 31 and ECU controller 6 etc.
Engine installation 32 of the present invention mainly is made up of driving engine 1, generator/motor 2, hydraulic oil pump 3, electrical generator electric-regulating device 4, petrol storage tank 5, inversion system 7, storage battery 8, pressure sensor 9, hydraulic directional control valve 10 and pinion unit 11 or chain gearing etc., adopt driving engine electric-regulating device 4 to be arranged on the driving engine 1, driving engine electric-regulating device 4 is connected with ECU controller 6, drives and control the operating condition of driving engine 1 according to the rotation control signal of ECU controller 6.Be provided with between described generator/motor 2 and the hydraulic oil pump 3 and disconnect or bonded assembly power-transfer clutch 11, be used for the transmission of power, described generator/motor 2 is installed in the flywheel end of driving engine 1, the internal rotor of generator/motor 2 is connected with the swivel direct connection of driving engine 1 or with unitor, and the external stator of generator/motor 2 is installed on the driving engine 1.Generator/motor 2 can select the pattern of one of electrical generator or electrical motor to come work by 6 controls of ECU controller, the inversion system of controlling by the ECU controller when selecting generator mode to come work 7, charge a battery or the electric energy of driving is provided for described running gear, provide energy by storage battery via the inversion system that ECU controls when working with electric motor mode, auxiliary engine drives hydraulic oil pump.The oil outlet of hydraulic oil pump 3 connects multiway valve 12 in the handler 31 with pipeline, and pressure sensor 9, hydraulic directional control valve 10 are installed in the pipeline, and pressure sensor 9 is located on the oil outlet end or fuel-displaced pipeline of hydraulic oil pump 3, is used to detect the pressure of hydraulic oil; Hydraulic oil pump 3 carries out loading and unloading operation for handler 31 provides hydraulic oil to drive handler 31.Generator/motor 2 connects the inversion system 7 by 6 controls of ECU controller, and inversion system 7 is given ECU controller 6 with signal feedback such as the rotating speed of generator/motor 2, electric current, temperature.Inversion system 7 is connected with the storage battery 8 that is used for energy storage; Inversion system 7 provides power to running gear 29.Hydraulic oil pump 3 connects petrol storage tank 5, and petrol storage tank 5 connects handler 31.ECU controller 6 is connected with actuation means 30.When ECU controller 6 detected industrial vehicle only running gear 32 action and handler 31 are not made loading and unloading operation, cut-off clutch 11 reduced the energy resource consumption of driving engine 1, reaches the purpose of saving the energy.
Above-mentioned ECU controller 6 during according to the industrial vehicle loading and unloading operation signal of pressure sensor 9 judge payload and control the mode of operation of generator/motor 2, when the loading and unloading operation load is not more than setting value, instruction generator/motor 2 is in the electrical generator mode of operation, when loading and unloading operation is loaded greater than setting value, instruction generator/motor 2 is in the electrical motor mode of operation, power to electrical motor by inversion system 7 by storage battery 8, and the power at control motor increases along with the increase of loading and unloading operation load, and auxiliary engine provides driving power for hydraulic oil pump 3 synchronously.
Handler 31 of the present invention is mainly by multiway valve 12, elevating ram 13, compositions such as fork 14 and dump ram 15, multiway valve 12 connects elevating ram 13 with oil pipe respectively, dump ram 15, fork 14 is connected with dump ram 15 and elevating ram 13 respectively, and follow according to the instruction of ECU controller 6 and make corresponding action to drive elevating ram 13, or driving dump ram 15, or corresponding loading and unloading operation is made in the action that drives elevating ram 13 and dump ram 15 simultaneously, handler 31 is driven by the hydraulic oil that engine installation 32 provides, and last hydraulic oil is got back to petrol storage tank 5 by multiway valve 12.
Actuation means 30 of the present invention mainly is made up of acceleration pedal 16, brake pedal 17, lifting bar handle 18, bank control handle 19 and walking bar handle 20 etc., and acceleration pedal 16, brake pedal 17, lifting bar handle 18, bank control handle 19 and walking bar handle 20 are connected with ECU controller 6 by lead respectively.Handling device 30 mainly be to send out job instruction corresponding to industrial vehicle, give ECU controller 6 corresponding instruction via each function bar handle, make ECU controller 6 control engine installations 32, handler 31 and running gear 29 do relative operation.
Running gear 29 of the present invention (comprising traveling gear and steering hardware) mainly by steer motor 21, power steerig pump 22, steering handwheel 23, deflector 24, back steeraxle 25, turn to oil cylinder 26, movable motor 27, propons 28 etc. to form.Adopt movable motor 27 to be installed on the propons 28, or make one with propons 28, and be connected with inversion system 7, movable motor 27 adopts AC induction motor.Turn to oil cylinder 26 to be installed on the steeraxle 25 of back, turn to oil cylinder 26 two ends to be connected with deflector 24 respectively by oil pipe, steering handwheel 23 is arranged in the deflector 24, deflector 24 is connected with power steerig pump 22, power steerig pump 22 is connected with petrol storage tank 5, power steerig pump 22 connects steer motor 21, and steer motor 21 is connected with inversion system 7 and ECU controller 6 respectively.Movable motor 27 drives propons 28 according to the instruction of ECU controller 6, industrial vehicle is advanced or retreat, the left rotation and right rotation of steering handwheel 23 sends instruction for ECU controller 6, drive steering hydraulic pumps 22 by 21 rotations of ECU controller 6 control steer motor again steering hydraulic oil is provided, turn to the sense of motion of oil cylinder 26 to drive steeraxle 25 via deflector 24 controls and make industrial vehicle do left and rightly to turn to or keep keeping straight on accordingly; The power driven that running gear 29 is provided via inversion system 7 by storage battery 8 or generator/motor 2, and be provided with the excess energy regenerative apparatus in the movable motor 27, industrial vehicle is stopped or braking energy during descending reclaims,, recuperated energy is being stored in the storage battery 8 via inversion system 7.
Running gear 29 of the present invention provides power by storage battery or electrical generator by inversion system, and by the ECU controller according to the signal of operating control control industrial vehicle walking, stop, the speed of travel and direction of travel.
Principle of work of the present invention:
Hydraulic oil pump is used for providing driving hydraulic oil to the elevating ram and the dump ram of industrial vehicle handler among the present invention, be provided with the walking of movable motor powered vehicle in the running gear, being provided with steering hardware turns to industrial vehicle, and steering hardware is handled easily, be provided with energy recycle device in the movable motor, industrial vehicle stopped or the braking energy during descending reclaims, and by inversion system with energy storage in storage battery.When loading and unloading are negative when being not more than setting value, only provide power to handler with driving engine, running gear provides power by storage battery or generator/motor with power generation mode; When loading and unloading were born greater than setting value, driving engine and generator/motor were that handler provides power with electric motor mode simultaneously, guarantee easily finishing of loading and unloading operation, and the running gear of this moment provides power by storage battery.The rotating speed of driving engine is controlled by the ECU controller, generally be under the most economical operating mode and move, but the energy decreases that detects storage battery when the ECU controller is during to certain value, the ECU controller can instruct driving engine to be elevated to the reasonable rotating speed of a setting, drives generator for electricity generation and charges a battery via inversion system; The rotating speed of driving engine has connection with Das Gaspedal when loading and unloading operation in addition, and detects the payload of loading and unloading operation by the ECU controller, after the judgement generator/motor is placed generating mode of operation or electrical motor mode of operation.Under the power-transfer clutch off-state, in case loading and unloading operation is arranged, ECU controller instruction hydraulic directional control valve earlier turns to the pressure release loop, instructs power-transfer clutch to connect again, owing to heavy the skidding of causing of load, can prolong the service life of power-transfer clutch like this when avoiding power-transfer clutch to connect.
Embodiment two:
Shown in Figure 4: embodiment two of the present invention is further simplification of embodiment one, wherein adopts electrical generator 33 and does not adopt generator/motor 2, and electrical generator 33 is driven by driving engine 1, only can be with power generation mode work.Electrical generator 33 connects inversion system 7, and inversion system 7 movable motors 27 direct and in the running gear 29 are connected.Electrical generator 33 is via ECU controller 6 control inversion systems 7, energy is provided for the running gear 29 and the storage battery 8 of fork truck, its principle of work has been cancelled the mode of operation with electrical motor with first embodiment, further reduce the complexity of ECU controller 6, play the effect of cost-cutting.All the other functions are identical with figure one embodiment, no longer tell at this.
Embodiment three:
Shown in Figure 5: as not adopt hydraulic steering mechanism in the embodiment of the invention three running gears 29, and adopt electric steering mechanism.Running gear 29 mainly is made up of steering handwheel 23, electric direction varying device 34, back steeraxle 25, electric powered steering bridge 35, movable motor 27, propons 28 and steer motor 36 etc.; Movable motor 27 is installed on the propons 28, or makes one with propons 28, and is connected with inversion system 7.Electric steering mechanism adopts electric powered steering bridge 35 to be installed on the steeraxle 25 of back, and steer motor 36 is set on the electric powered steering bridge 35, and steer motor 36 is connected with inversion system 7 by lead, and electric powered steering bridge 35 is connected with ECU controller 6 by lead.Steering handwheel 23 is arranged on the electric direction varying device 34, and electric direction varying device 34 is connected with ECU controller 6 by lead.Electric steering mechanism provides power by storage battery 8 or generator/motor 2, when steering handwheel 23 sends turn sign, by electric direction varying device 34 signal is passed to ECU controller 6, ECU controller 6 is handled the back and is provided signal to inversion system 7, drives 35 actions of steer motor 36 control electric powered steering bridges, drives back steeraxle 25, make fork truck make handling maneuver, electric powered steering bridge 35 is informed the steering state parameter also to ECU controller 6 feedback signals simultaneously, and its function is identical with figure one embodiment.

Claims (3)

1, a kind of industrial vehicle with hybrid power mainly comprises driving engine (1), generator/motor (2), hydraulic oil pump (3), inversion system (7), ECU controller (6), running gear (29), actuation means (30) and handler (31); Generator/motor (2) connects inversion system (7) and connects the storage battery (8) that is used for energy storage; Hydraulic oil pump (3) connects handler (31); With above-mentioned inversion system (7) bonded assembly running gear (29); The actuation means (30) of controlling above-mentioned handler (31) and running gear (29) is connected with ECU controller (6), it is characterized in that: be provided with disconnection or bonded assembly power-transfer clutch (11) between described generator/motor (2) and the hydraulic oil pump (3), described generator/motor (2) is installed in the flywheel end of driving engine (1), drive by described driving engine (1) when working, be connected with storage battery (8) by ECU controller (6) control inversion system (7) with generator mode.
2, a kind of industrial vehicle with hybrid power according to claim 1 is characterized in that the movable motor (27) in the described running gear (29) adopts AC induction motor.
3, a kind of industrial vehicle with hybrid power according to claim 1 is characterized in that described generator/motor (2) is multipole magneto generator/motor.
CN200710020104A 2007-02-12 2007-02-12 Industrial vehicle with hybrid power Expired - Fee Related CN101011942B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN101011942B CN101011942B (en) 2010-05-19

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101537997B (en) * 2008-03-18 2011-01-26 上海力进铝质工程有限公司 Vertical type vacuum loading hoisting machine
CN102897023A (en) * 2012-10-23 2013-01-30 安徽合力股份有限公司 Flexible-connection hydraulic transmission box with power generation mechanism
CN103003187A (en) * 2010-04-16 2013-03-27 莫菲麦提卡有限公司 Electrohydraulic hybrid lifting vehicle
CN103144527A (en) * 2013-03-05 2013-06-12 苏州大方特种车股份有限公司 Transport vehicle for hybrid power engineering
CN104533857A (en) * 2014-12-23 2015-04-22 苏州先锋物流装备科技有限公司 Single portal oil way of forward moving piling car without tilt function
CN105502230A (en) * 2016-01-21 2016-04-20 安徽农业大学 Hybrid power forklift transmission system
CN106219446A (en) * 2016-08-24 2016-12-14 太仓宏璟瑞远物业管理有限公司 A kind of engine fork lift trucks being provided with speed limit alarm
CN108545670A (en) * 2018-07-04 2018-09-18 杭叉集团股份有限公司 A kind of laser navigation forklift device
CN113086898A (en) * 2021-04-13 2021-07-09 安徽皖南新维电机有限公司 Walking and lifting two-in-one composite motor for oil-to-electricity forklift

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10232639A1 (en) * 2002-07-18 2004-02-12 Hoerbiger Antriebstechnik Gmbh Load transport vehicle, especially forklift trucks
JP4399311B2 (en) * 2004-04-13 2010-01-13 株式会社豊田自動織機 Cargo handling equipment for industrial vehicles for cargo handling work
JP2006273514A (en) * 2005-03-29 2006-10-12 Toyota Industries Corp Hybrid type fork lift
CN201009756Y (en) * 2007-02-12 2008-01-23 无锡开普动力有限公司 Industry vehicle with hybrid drive

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101537997B (en) * 2008-03-18 2011-01-26 上海力进铝质工程有限公司 Vertical type vacuum loading hoisting machine
CN103003187A (en) * 2010-04-16 2013-03-27 莫菲麦提卡有限公司 Electrohydraulic hybrid lifting vehicle
CN102897023A (en) * 2012-10-23 2013-01-30 安徽合力股份有限公司 Flexible-connection hydraulic transmission box with power generation mechanism
CN102897023B (en) * 2012-10-23 2015-02-18 安徽合力股份有限公司 Flexible-connection hydraulic transmission box with power generation mechanism
CN103144527A (en) * 2013-03-05 2013-06-12 苏州大方特种车股份有限公司 Transport vehicle for hybrid power engineering
CN104533857A (en) * 2014-12-23 2015-04-22 苏州先锋物流装备科技有限公司 Single portal oil way of forward moving piling car without tilt function
CN105502230A (en) * 2016-01-21 2016-04-20 安徽农业大学 Hybrid power forklift transmission system
CN105502230B (en) * 2016-01-21 2017-10-27 安徽农业大学 A kind of hybrid power forklift transmission system
CN106219446A (en) * 2016-08-24 2016-12-14 太仓宏璟瑞远物业管理有限公司 A kind of engine fork lift trucks being provided with speed limit alarm
CN108545670A (en) * 2018-07-04 2018-09-18 杭叉集团股份有限公司 A kind of laser navigation forklift device
CN113086898A (en) * 2021-04-13 2021-07-09 安徽皖南新维电机有限公司 Walking and lifting two-in-one composite motor for oil-to-electricity forklift

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