CN104097501A - Hybrid structure for multi-axle heavy off-road vehicle - Google Patents
Hybrid structure for multi-axle heavy off-road vehicle Download PDFInfo
- Publication number
- CN104097501A CN104097501A CN201410342438.8A CN201410342438A CN104097501A CN 104097501 A CN104097501 A CN 104097501A CN 201410342438 A CN201410342438 A CN 201410342438A CN 104097501 A CN104097501 A CN 104097501A
- Authority
- CN
- China
- Prior art keywords
- power
- drive axle
- high voltage
- reduction gear
- electric machine
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention belongs to the technical field of vehicular power structures and discloses a hybrid structure for a multi-axle heavy off-road vehicle. The hybrid structure aims at heavy off-road vehicles with four or more axles and comprises a mechanical system, an electrical system and a control system. The mechanical system comprises an engine, an ISG (integrated starter generator) motor, a hydraulic automatic transmission, a transfer case assembly, a first main reducing gear set, a transmission shaft, a first hub reducer set, a traction motor set, a second main reducing gear set and a second hub reducer set; drive axles of the off-road vehicle include a first drive axle unit and a second drive axle unit; the engine and the ISG motor are connected with the hydraulic automatic transmission to form a first power source; the first power source is connected with the first hub reducer set sequentially through the transfer case assembly, the first main reducing gear set and the transmission shaft to drive wheels of the first drive axle unit; a second power source formed by the traction motor set is connected with the second hub reducer set sequentially through the second main reducing gear set to drive wheels of the second drive axle unit.
Description
Technical field
The present invention relates to vehicle power configuration technical field, particularly a kind of multi-axle heavy type cross-country car hybrid power configuration.
Background technology
In order to make full use of traction, ensure the cross-country traveling ability of vehicle, multi-axle off-road vehicle generally comprises axle drive shafts more than three axles.This type of vehicle many with fire-fighting, communicate by letter, the upper dress special equipment such as charge, lifting, petroleum drilling forms the special equipment special of purposes, because the operating condition of this type of equipment is severe, therefore, the dynamic property to vehicle and reliability have higher requirement.
In prior art, conventional heavy-duty Off-road vehicle power adopts driving engine as unique propulsion source substantially, and this constructional feature has determined that the basic configuration of traditional power system can only be the simple structure of " driving engine+change-speed box+bridge drives ".In order to ensure the dynamic property of vehicle, can only be by selecting high-output engine to realize, when routine use, the rate of load condensate of driving engine is lower, and fuel economy is poor, not environmental protection.Be subject in addition the restriction of domestic industry level, high-output engine can only dependence on import.In order to ensure the full wheel drive of multi axle car, adopt complicated machine driven system that power distribution is arrived to each wheel, owing to only using driving engine single power source, after driving engine paralysis, vehicle cannot travel simultaneously, and reliability is not high.
In prior art, have mechanical coupled relation between each bridge, cannot realize decoupling zero, the propulsive effort of each bridge is unified centralized control, cannot be according to the different flexible allocation propulsive efforts of operating mode.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of power configuration that promotes multi-axle heavy type cross-country car hybrid power reliability and can carry out flexible allocation.
For solving the problems of the technologies described above, the invention provides a kind of multi-axle heavy type cross-country car hybrid power configuration, for four axles and above heavy-duty off-road vehicle; Comprise: mechanical system and electric system and control system; Described mechanical system comprises: driving engine, ISG motor, hydraulic automatic speed variator, transfer case assembly, the first main reduction gear group, transmission shaft, first round side reducer group, traction electric machine group, the second main reduction gear group, the second wheel reduction gear group;
The drive axle of described cross-country car divides and comprises: the first drive axle unit and the second drive axle unit;
Described driving engine and described ISG motor are connected with described hydraulic automatic speed variator, composition the first propulsion source; Described the first propulsion source is connected with described first round side reducer group by described transfer case assembly, described the first main reduction gear group, described transmission shaft successively, drives the wheel of the first drive axle unit;
Traction electric machine group forms the second propulsion source; Described the second propulsion source is connected with described the second wheel reduction gear group by described the second main reduction gear group successively, drives the wheel of described the second drive axle unit.
The quantity of the separate drive axle that further, in described the first main reduction gear group, the quantity of retarder comprises with described the first drive axle unit equates; Independently drive axle of one of described main reduction gear control.
Further, described the second drive axle unit comprises at least two separate drive axles; The quantity of the separate drive axle that in described traction electric machine group, in traction electric machine quantity and the second main reduction gear group, the quantity of retarder comprises with described the second drive axle unit equates; A described traction electric machine drives an independently drive axle by a described main reduction gear.
Further, described electric system comprises: high voltage power battery, low pressure boosting battery, vehicle DC/DC changer, traction electric machine group DC/AC inverter, ISG motor D C/AC inverter, electrokinetic cell DC/DC changer, high voltage power bus and low-voltage-powered bus;
Described high voltage power battery is connected with described high voltage power bus by electrokinetic cell DC/DC changer, realizes high voltage supply and energy and reclaims;
Described low pressure boosting battery is connected with described high voltage power bus by vehicle DC/DC changer; Described low-voltage-powered bus is connected with described low pressure boosting battery, realizes low-voltage power supply and energy and reclaims; Described traction electric machine group is connected with described high voltage power bus, and high-power power supply and the energy of realizing described traction electric machine group reclaim; Described low-voltage-powered bus is powered with body accessory, instrument, steering pump and brake compressor respectively; Described ISG motor is connected with described high voltage power bus by ISG motor D C/AC inverter.
Further, described electric system also comprises: plug-in battery charger; Described plug-in battery charger is connected with described high voltage power battery; The external power supply source of realizing high voltage power battery, obtains electric energy.
Further, described mechanical system also comprises: electric hydraulic power-assisted steering pump, electrodynamic braking air pump and electric air-conditioning compressor; Described electric hydraulic power-assisted steering pump, described electrodynamic braking air pump and described electric air-conditioning compressor are all placed on vehicle frame; Described electric hydraulic power-assisted steering pump and described electrodynamic braking air pump are connected with described low-voltage-powered bus respectively, obtain low-power energy; Described electric air-conditioning compressor is connected with described high voltage power bus by described electric air-conditioning DC/AC inverter, obtains high-power power.
Further, described control system comprises: entire car controller HCU, battery management system BMS, traction electric machine group controller EMC
2, ISG electric machine controller EMC
1, engine controller EMS, gearbox control TCU, brake air pump controller ECU, electric hydraulic power-assisted steering pump controller EHPS ECU and upper dress communication controller Gateway ECU; The input end access throttle signal of described HCU, speed-slackening signal, driving model signal, gear desired signal, upgrade signal and downshift signal, carry out computing and resolve output control signal; Described HCU and described BMS, described EMC
2, described EMC
1, described EMS, described TCU, described ECU, described EHPS ECU and described Gateway ECU be connected, the control that realizes lower floor's controller drives.
Multi-axle heavy type cross-country car hybrid power configuration provided by the invention, on the basis of existing hybrid power configuration, is reformed the scheme that the coupling of drive axle power machine distributes; Adopt the power dividing type hybrid power configuration of timesharing drive configuration, the drive axle that is about to four axles and above cross-country car is divided into two parts, adopt respectively driving engine separate machine to drive and traction electric machine independent electric drive, ensure that cross-country car can carry out two and overlap independently power driven, greatly promoted the reliability of power system; Adopt timesharing drive configuration, the same time can drive according to road surface situation reasonable selection Mechanical Driven or electric drive or both simultaneously, strengthens the alerting ability driving; In the time carrying out Mechanical Driven and electric drive simultaneously, can also be according to road surface situation, optimize the configuration of propulsive effort, greatly promote the adaptive capacity of drive axle to ground, promote the carrying capacity of cross-country car thereby allow.
Brief description of the drawings
The structural representation of the multi-axle heavy type cross-country car hybrid power configuration that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the mechanical system that Fig. 2 provides for the embodiment of the present invention;
The structural representation of the electric system that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the control system that Fig. 4 provides for the embodiment of the present invention;
The control system configuration diagram that Fig. 5 provides for the embodiment of the present invention;
Wherein, 1-driving engine, 2-ISG motor, 3-hydraulic automatic speed variator, 4-part-time case, 5-II bridge main reduction gear, 6-transmission shaft, 7-wheel reduction gear, 8-wheel, 9-I bridge main reduction gear, 10-III bridge traction electric machine, 11-III bridge main reduction gear, 12-IV bridge traction electric machine, 13-IV bridge main reduction gear, 14-electric hydraulic power-assisted steering pump, 15-electrodynamic braking air pump, 16-electric air-conditioning compressor, 17-high voltage power battery, 18-low pressure boosting battery, 19-vehicle DC/DC changer, the main traction electric machine DC/AC of 20-III bridge inverter, the main traction electric machine DC/AC of 21-IV bridge inverter, 22-ISG motor D C/AC inverter, 23-high voltage power battery DC/DC changer, 24-plug-in battery charger, 25-electric air-conditioning DC/AC inverter, 26-entire car controller, 27-battery management system, the main traction motor controller of 28-III bridge, 29-ISG electric machine controller, the main traction motor controller of 30-IV bridge, 31-engine controller, 32-gearbox control, 33-brake air pump controller, 34-electric hydraulic power-assisted steering pump controller, 35-electric air-conditioning compressor reducer controller, the upper dress of 36-communication controller.
Detailed description of the invention
Below in conjunction with accompanying drawing, as an example of four axle cross-country cars example, the present invention is described in further detail.
Referring to Fig. 1, a kind of multi-axle heavy type cross-country car hybrid power configuration that the embodiment of the present invention provides, for four axles and above heavy-duty off-road vehicle; Comprise: mechanical system and electric system and control system.
Referring to Fig. 2, mechanical system comprises: driving engine 1, ISG motor 2, hydraulic automatic speed variator 3, transfer case assembly 4, the first main reduction gear group, transmission shaft 6, first round side reducer group, traction electric machine group, the second main reduction gear group, the second wheel reduction gear group.
The drive axle of cross-country car is divided into the first drive axle unit and second drive axle unit two parts; In the present embodiment, the first drive axle unit comprises: I bridge and II bridge; The second driver element comprises: III bridge and IV bridge.Two drive axle unit are separate, and wherein the first drive axle unit adopts driving engine to carry out Mechanical Driven, and the second drive axle unit adopts traction electric machine to carry out pure electric drive.Thereby form power dividing type hybrid architecture, i.e. the Mechanical Driven power of driving engine output acts on I bridge and II bridge, and the electric drive power of traction electric machine group output acts on III bridge and IV bridge; Adopt shunting to drive, independent control can fully play two kinds and drive the advantage of self, thereby selects Mechanical Driven or electric drive or both to drive for different road surface situations simultaneously; Optimize propulsive effort and distribute, promote the adaptive capacity of cross-country car road pavement, promote its carrying capacity, promote the reliability of hybrid power.
Driving engine and ISG motor are connected with hydraulic automatic speed variator, composition the first propulsion source; The first propulsion source is connected with first round side reducer group by transfer case assembly, the first main reduction gear group, transmission shaft successively, drives the wheel of the first drive axle unit; Thereby export adjustable controlled Mechanical Driven power.
The quantity of the separate drive axle that in the first main reduction gear group, the quantity of retarder comprises with the first drive axle unit equates; Independently drive axle of one of described main reduction gear control.Driving engine 1, ISG motor 2 and hydraulic automatic speed variator 3 are connected to form the first propulsion source, and the power of the first propulsion source output is divided into two via part-time case 4, and a road is transmitted to I bridge, and a road is transmitted to II bridge; The power that is transmitted to I bridge via 9 shuntings of I bridge main reduction gear be delivered to transmission shaft, wheel reduction gear is delivered to wheel; The power that is transmitted to II bridge via 5 shuntings of II bridge main reduction gear be delivered to transmission shaft 6, wheel reduction gear 7 is delivered to wheel 8, thereby reach the object that drives I, II bridge.
The second propulsion source comprises: traction electric machine group; The second propulsion source is connected with the second wheel reduction gear group by the second main reduction gear group successively, drives the wheel of the second drive axle unit; Thereby export adjustable controlled Mechanical Driven power.
The second drive axle unit comprises: at least two separate drive axles; The quantity of the separate drive axle that in traction electric machine group, in traction electric machine quantity and the second main reduction gear group, the quantity of retarder comprises with the second drive axle unit equates; A traction electric machine drives an independently drive axle by a main reduction gear.For III bridge and IV bridge, traction electric machine group comprises: III bridge traction electric machine 10 and IV bridge traction electric machine 12, and corresponding, the second main reduction gear group comprises: III bridge main reduction gear 11 and IV bridge main reduction gear 13; III bridge traction electric machine 10 produces after power is shunted by III bridge main reduction gear 11 and is delivered to wheel reduction gear and wheel, reaches the object that drives III bridge.The power driven that IV bridge is produced by IV bridge traction electric machine 12, by being delivered to wheel reduction gear and wheel after 13 shuntings of IV bridge main reduction gear, reaches the object that drives IV bridge.Two drive axles of the second drive axle unit are also independently controlled, thereby have further promoted the ability of propulsive effort flexible allocation, have promoted reliability and carrying capacity.
ISG motor 2 is arranged between driving engine 1 and change speed gear box (AT) 3, a kind of integrated actuating, generating, drive motor, can be used as actuating motor quick start engine 1, also can be used as electrical generator, when battery electric quantity is lower or engine power output hour etc. supplements that generating is used under operating mode or external continued power, can also serve as auxiliary drive motor, in the time that propons drives deficiency, increase propons output torque.
Referring to Fig. 3, electric system comprises: high voltage power battery 17, low pressure boosting battery 18, vehicle DC/DC changer 19, traction electric machine group DC/AC inverter, ISG motor D C/AC inverter 22, high voltage power battery DC/DC changer 23, high voltage power bus and low-voltage-powered bus;
High voltage power battery 17 is connected with high voltage power bus by high voltage power battery DC/DC changer 23, realizes high voltage supply and energy and reclaims;
Low pressure boosting battery 18 is connected with high voltage power bus by vehicle DC/DC changer 19; Low-voltage-powered bus is connected with low pressure boosting battery 18, is used to low-voltage-powered bus that energy is provided, and is responsible for the low power electric appliance element power supplies such as body accessory, instrument, steering pump, brake compressor; Traction electric machine group is connected with high voltage power bus, and high-power power supply and the energy of realizing traction electric machine group reclaim; III bridge traction electric machine 10, as power bus node, is connected with high voltage power bus via the main traction electric machine DC/AC of III bridge inverter 20; When driving, be used for driving electrification feedback power bus recuperated energy when braking from the power taking of power bus.
IV bridge traction electric machine 12, as power bus node, is connected with high voltage power bus via the main traction electric machine DC/AC of IV bridge inverter 21; When driving, be used for driving electrification feedback power bus recuperated energy when braking from the power taking of power bus.
Low-voltage-powered bus respectively with the power supply of the low-power device such as body accessory, instrument, steering pump and brake compressor.
ISG motor 2 is connected with high voltage power bus by ISG motor D C/AC inverter 22, is used for driving electrification feedback power bus recuperated energy when braking when driving from the power taking of power bus.
Electric system also comprises: plug-in battery charger 24; Plug-in battery charger 24 is connected with high voltage power battery 17; The external power supply source of realizing high voltage power battery, obtains electric energy, in the battery-charging station that has external charge condition for high voltage power battery electric energy supplement.
High-voltage bus voltage, between 540～800V, is mainly used in electric drive and regenerative brake, and low voltage bus voltage 24V is mainly used in the electricity consumption of the accessory equipments such as assisted diversion, light, instrument.Article two, between power bus, be connected with vehicle DC/DC conv 19.High voltage power cell parallel, on high-voltage bus, is mainly used in balance large power need for electricity.Low pressure boosting battery is connected in parallel on low voltage bus, is responsible for balance miniwatt need for electricity.
Mechanical system also comprises: electric hydraulic power-assisted steering pump 14, electrodynamic braking air pump 15 and electric air-conditioning compressor 16; Electric hydraulic power-assisted steering pump 14, electrodynamic braking air pump 15 and electric air-conditioning compressor 16 are all placed on vehicle frame; Electric hydraulic power-assisted steering pump 14 and electrodynamic braking air pump 15 are connected with low-voltage-powered bus respectively, obtain low-power energy; Electric air-conditioning compressor 16 is connected with high voltage power bus by electric air-conditioning DC/AC inverter 25, obtains high-power power.
Comprise referring to Fig. 4, control system: entire car controller (HCU) 26, battery management system (BMS) 27, traction electric machine group controller (EMC
2), ISG electric machine controller (EMC
1) 29, engine controller (EMS) 31, gearbox control (TCU) 32, brake air pump controller (ECU) 33, electric hydraulic power-assisted steering pump controller (EHPS ECU) 34, electric air-conditioning compressor reducer controller (EMC
4) 35 and upper dress communication controller (Gateway ECU) 36; The input end access throttle signal of HCU, speed-slackening signal, driving model signal, gear desired signal, upgrade signal and downshift signal, carry out computing and resolve output control signal; HCU and BMS, EMC
2, EMC
1, EMS, TCU, ECU, EHPS ECU, EMC
4and Gateway ECU is connected, the control that realizes lower floor's controller drives.
HCU is core controller, will receive chaufeur input and sensor input, calculates chaufeur torque-demand and gear demand, and distribution of torque between driving engine, ISG motor and main traction electric machine realizes system effectiveness optimum under the existing constraint condition of parts.
Referring to Fig. 5, whole control system framework is also divided into three levels, entire car controller (HCU) the 26th, the core of all controllers, be responsible for resolving the intention of chaufeur, carry out computing and parsing by the input of the signal such as throttle, brake pedal, export corresponding control signal, control signal passes to lower floor's controllers such as battery management system, electric machine controller, engine controller, gearbox control, upper dress communication controller, for the control of each components and parts.On entire car controller, be connected with two communication bus CAN1 and CAN2 bus.Each controller node is connected in these two buses, communicates alternately by CAN1 and CAN2 bus.
This hybrid power configuration is made up of four power generation parts, ISG motor 2 is directly connected with driving engine 1 by flywheel, form the propulsion source of I bridge, II bridge with driving engine 1, form full car APU simultaneously, for full car provides power supply, balancing battery electric weight SOC, driving engine 1 is passed to change-speed box with the power of ISG motor 2 through turbine transformer, drives I bridge, II bridge through drive axle and wheel reduction gear.Traction electric machine M2, M3 are placed in III bridge, IV bridge, drive III bridge, IV bridge through drive axle and wheel reduction gear, realize four bridge eight wheel drive.Due to car load electric drive power >50%, belong to degree of depth mix-configuration.
The radical function of driving engine is: APU supplements battery electric quantity SOC with ISG composition; For the electric generation power source of upper assembling system power supply; Individual drive when low speed, or combine driving with drive motor in the time that car load demand power is larger, individual drive when high speed, or in the time that car load demand power is larger with the driving of combining of ISG motor 2.
ISG motor radical function is: APU supplements battery electric quantity SOC with driving engine composition; Upper assembling system power supply; The driving of combining with driving engine; Rise/stop paying out fast motivation.
III bridge traction electric machine M2, IV bridge traction electric machine M3 radical function are: starting and the low speed electric drive of travelling of mourning in silence; When low speed car load demand power is larger, combine driving with driving engine; When car brakeing, reclaim braking energy; When AT gear shift, output drive strength is realized gearshift procedure car load power compensation, ensures the continuous wave output of power system driving torque, improves car load dynamic property and ride comfort.
The multi-axle heavy type cross-country car hybrid power configuration that the embodiment of the present invention provides, the motor division of labor is clear and definite, is conducive to manufacturing and designing and efficient district coupling of motor.The APU of ISG motor and driving engine composition mainly realizes supplementing of electric weight and high-performance cruise drives function, traction electric machine is mainly that vehicle start drives and the pure motorized motions of low speed, therefore, can be by the efficient district of ISG motor and main drive motor as for definite position in coupling, district as efficient in ISG motor is placed near 1500rpm, and the efficient district of main drive motor is placed near 2000rpm.The Real-time Balancing of the power generating system APU of driving engine and ISG motor composition to battery electric quantity, even if the less electrokinetic cell of coupling also can meet motorized motions energy requirement.Mourn in silence and travel in electric drive process at car load starting electric drive and low speed, consumption of current is larger, capacity of cell is had relatively high expectations, this configuration can be realized APU supplementing in real time battery electric quantity, even if therefore the less battery of coupling also can meet motorized motions energy requirement, the coupling that can reduce capacity of cell, reduces cost, expendable weight.In APU power generation process, can control APU driving engine and motor simultaneously in efficient district simultaneously, improve APU efficiency.When starting and low speed (non-mourning in silence) motorized motions, because the both positive and negative polarity of ISG motor and main drive motor and the both positive and negative polarity of battery two are connected in a bit simultaneously, when main motor drives, when APU generating, due to drive motor one end electric quantity consumption, cause low potential, therefore APU generating can be directly drive motor power supply without battery, reduce electric weight and charged and discharged link in battery, improved system effectiveness.III, IV bridge adopt motor direct-connected to drive car load, and starting and pure motor driving comformability and ride comfort are good, control simple.When regenerative brake, because main drive motor and drive wheel are rigidly connected, the impact to change-speed box while having reduced the intermediate link of change-speed box and regenerative brake, regenerative brake ride comfort is good, and efficiency is high, and braking energy reclaims many.In AT gearshift procedure, M2, M3 motor can compensate power, solve the power interruption problem of AT gearshift procedure, improve car load ride comfort and dynamic property.In this scheme engineering, difficulty is little, and technical costs is low, and coupling assembly and Engine Matching form hybrid vehicle, and removing driving engine is exactly pure electric automobile, the platform highly versatile of power system.
Owing to having adopted driving engine and the double dynamical redundancy backup of high voltage power battery, under the pattern of driving engine or motor battery et out of order, still can adopt pure electric drive mode or pure Mechanical Driven mode operation, fundamentally improve the reliability of system.In addition, due to the corresponding minimizing of mechanical drive link, reliability also improves accordingly.The propulsive effort of traditional vehicle cannot dynamic assignment, and adopts after this configuration, and electronic bridge III bridge and IV bridge have been realized decoupling zero, III bridge and IV bridge are independent of each other, and propulsive effort can flexible allocation, can better bring into play the attachment characteristic on ground, for example, when climbing, axle core shifts, and the axle core of IV bridge is the heaviest, now, IV bridge can distribute more propulsive effort, and to give full play to the adhesive ability on ground, off-road capability is superior.
Multi-axle heavy type cross-country car hybrid power configuration provided by the invention, on the basis of existing hybrid power configuration, is reformed the scheme that the coupling of drive axle power machine distributes; Adopt the power dividing type hybrid power configuration of timesharing drive configuration, the drive axle that is about to four axles and above cross-country car is divided into two parts, adopt respectively driving engine separate machine to drive and traction electric machine independent electric drive, ensure that cross-country car can carry out two and overlap independently power driven, greatly promoted the reliability of power system; Adopt timesharing drive configuration, the same time can drive according to road surface situation reasonable selection Mechanical Driven or electric drive or both simultaneously, strengthens the alerting ability driving; In the time carrying out Mechanical Driven and electric drive simultaneously, can also be according to road surface situation, optimize the configuration of propulsive effort, greatly promote the adaptive capacity of drive axle to ground, promote the carrying capacity of cross-country car thereby allow.
It should be noted last that, above detailed description of the invention is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to example, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (7)
1. a multi-axle heavy type cross-country car hybrid power configuration, for four axles and above heavy-duty off-road vehicle; Comprise: mechanical system and electric system and control system; It is characterized in that, described mechanical system comprises: driving engine, ISG motor, hydraulic automatic speed variator, transfer case assembly, the first main reduction gear group, transmission shaft, first round side reducer group, traction electric machine group, the second main reduction gear group, the second wheel reduction gear group;
The drive axle of described cross-country car comprises: the first drive axle unit and the second drive axle unit;
Described driving engine and described ISG motor are connected with described hydraulic automatic speed variator, composition the first propulsion source; Described the first propulsion source is connected with described first round side reducer group by described transfer case assembly, described the first main reduction gear group, described transmission shaft successively, drives the wheel of the first drive axle unit;
Traction electric machine group forms the second propulsion source; Described the second propulsion source is connected with described the second wheel reduction gear group by described the second main reduction gear group successively, drives the wheel of described the second drive axle unit.
2. multi-axle heavy type cross-country car hybrid power configuration as claimed in claim 1, is characterized in that: the quantity of the separate drive axle that in described the first main reduction gear group, the quantity of retarder comprises with described the first drive axle unit equates; Independently drive axle of one of described main reduction gear control.
3. multi-axle heavy type cross-country car hybrid power configuration as claimed in claim 1, is characterized in that, described the second drive axle unit comprises at least two separate drive axles; The quantity of the separate drive axle that in described traction electric machine group, in traction electric machine quantity and the second main reduction gear group, the quantity of retarder comprises with described the second drive axle unit equates; A described traction electric machine drives an independently drive axle by a described main reduction gear.
4. multi-axle heavy type cross-country car hybrid power configuration as claimed in claim 1, it is characterized in that, described electric system comprises: high voltage power battery, low pressure boosting battery, vehicle DC/DC changer, traction electric machine group DC/AC inverter, ISG motor D C/AC inverter, electrokinetic cell DC/DC changer, high voltage power bus and low-voltage-powered bus;
Described high voltage power battery is connected with described high voltage power bus by electrokinetic cell DC/DC changer, realizes high voltage supply and energy and reclaims;
Described low pressure boosting battery is connected with described high voltage power bus by vehicle DC/DC changer; Described low-voltage-powered bus is connected with described low pressure boosting battery, realizes low-voltage power supply and energy and reclaims; Described traction electric machine group is connected with described high voltage power bus, and high-power power supply and the energy of realizing described traction electric machine group reclaim; Described low-voltage-powered bus is powered with body accessory, instrument, steering pump and brake compressor respectively; Described ISG motor is connected with described high voltage power bus by ISG motor D C/AC inverter.
5. multi-axle heavy type cross-country car hybrid power configuration as claimed in claim 4, is characterized in that, described electric system also comprises: plug-in battery charger; Described plug-in battery charger is connected with described high voltage power battery; The external power supply source of realizing high voltage power battery, obtains electric energy.
6. multi-axle heavy type cross-country car hybrid power configuration as claimed in claim 5, is characterized in that, described mechanical system also comprises: electric hydraulic power-assisted steering pump, electrodynamic braking air pump and electric air-conditioning compressor; Described electric hydraulic power-assisted steering pump, described electrodynamic braking air pump and described electric air-conditioning compressor are all placed on vehicle frame; Described electric hydraulic power-assisted steering pump and described electrodynamic braking air pump are connected with described low-voltage-powered bus respectively, obtain low-voltage electric energy; Described electric air-conditioning compressor is connected with described high voltage power bus by described electric air-conditioning DC/AC inverter, obtains high voltage electric energy.
7. multi-axle heavy type cross-country car hybrid power configuration as claimed in claim 6, is characterized in that, described control system comprises: entire car controller HCU, battery management system BMS, traction electric machine group controller EMC
2, ISG electric machine controller EMC
1, engine controller EMS, gearbox control TCU, brake air pump controller ECU, electric hydraulic power-assisted steering pump controller EHPS ECU and upper dress communication controller Gateway ECU; The input end access throttle signal of described HCU, speed-slackening signal, driving model signal, gear desired signal, upgrade signal and downshift signal, carry out computing and resolve output control signal; Described HCU and described BMS, described EMC
2, described EMC
1, described EMS, described TCU, described ECU, described EHPS ECU and described Gateway ECU be connected, the control that realizes lower floor's controller drives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410342438.8A CN104097501A (en) | 2014-07-18 | 2014-07-18 | Hybrid structure for multi-axle heavy off-road vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410342438.8A CN104097501A (en) | 2014-07-18 | 2014-07-18 | Hybrid structure for multi-axle heavy off-road vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104097501A true CN104097501A (en) | 2014-10-15 |
Family
ID=51666201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410342438.8A Pending CN104097501A (en) | 2014-07-18 | 2014-07-18 | Hybrid structure for multi-axle heavy off-road vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104097501A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108313048A (en) * | 2018-02-02 | 2018-07-24 | 北京航天发射技术研究所 | A kind of power distribution method of heavy type hybrid vehicle multiple generator group |
| CN108528201A (en) * | 2018-04-13 | 2018-09-14 | 武汉理工大学 | A kind of distribution Three-axis drive hybrid power system |
| CN110296835A (en) * | 2019-07-30 | 2019-10-01 | 苏州英特模汽车科技有限公司 | The high-performance of electric drive axle power assembly is to dragging test macro and its test method |
| CN111152655A (en) * | 2019-10-28 | 2020-05-15 | 北京航天发射技术研究所 | Multi-shaft hybrid power vehicle energy integrated power supply and distribution system and method |
| CN113443012A (en) * | 2021-06-30 | 2021-09-28 | 北京航天发射技术研究所 | Chassis hybrid driving mechanism of extra-heavy special vehicle |
| CN114872533A (en) * | 2022-07-12 | 2022-08-09 | 中国重汽集团济南动力有限公司 | 48V hybrid system for electric braking light truck and control method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003035422A1 (en) * | 2001-10-23 | 2003-05-01 | The Timken Company | Output power split hybrid electric drive system |
| JP2007223454A (en) * | 2006-02-23 | 2007-09-06 | Hitachi Ltd | Motor controller for hybrid vehicle |
| CN101186180A (en) * | 2007-12-18 | 2008-05-28 | 东风电动车辆股份有限公司 | Multiple shaft driving mixed power automobile driving system |
| US20110209933A1 (en) * | 2010-03-01 | 2011-09-01 | Bae Systems Controls Inc. | Hybrid drive system for hybrid electric vehicles |
| CN103587403A (en) * | 2013-11-19 | 2014-02-19 | 北京理工大学 | Multi-axle multi-wheel vehicle hybrid electric driving system |
| CN103909830A (en) * | 2012-12-31 | 2014-07-09 | 现代自动车株式会社 | Fail-safe Method And Apparatus For High Voltage Parts In Hybrid Vehicle |
-
2014
- 2014-07-18 CN CN201410342438.8A patent/CN104097501A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003035422A1 (en) * | 2001-10-23 | 2003-05-01 | The Timken Company | Output power split hybrid electric drive system |
| JP2007223454A (en) * | 2006-02-23 | 2007-09-06 | Hitachi Ltd | Motor controller for hybrid vehicle |
| CN101186180A (en) * | 2007-12-18 | 2008-05-28 | 东风电动车辆股份有限公司 | Multiple shaft driving mixed power automobile driving system |
| US20110209933A1 (en) * | 2010-03-01 | 2011-09-01 | Bae Systems Controls Inc. | Hybrid drive system for hybrid electric vehicles |
| CN103909830A (en) * | 2012-12-31 | 2014-07-09 | 现代自动车株式会社 | Fail-safe Method And Apparatus For High Voltage Parts In Hybrid Vehicle |
| CN103587403A (en) * | 2013-11-19 | 2014-02-19 | 北京理工大学 | Multi-axle multi-wheel vehicle hybrid electric driving system |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108313048A (en) * | 2018-02-02 | 2018-07-24 | 北京航天发射技术研究所 | A kind of power distribution method of heavy type hybrid vehicle multiple generator group |
| CN108528201A (en) * | 2018-04-13 | 2018-09-14 | 武汉理工大学 | A kind of distribution Three-axis drive hybrid power system |
| CN110296835A (en) * | 2019-07-30 | 2019-10-01 | 苏州英特模汽车科技有限公司 | The high-performance of electric drive axle power assembly is to dragging test macro and its test method |
| CN110296835B (en) * | 2019-07-30 | 2024-05-03 | 苏州英特模科技股份有限公司 | High-performance opposite-dragging test system and test method of electric drive axle power assembly |
| CN111152655A (en) * | 2019-10-28 | 2020-05-15 | 北京航天发射技术研究所 | Multi-shaft hybrid power vehicle energy integrated power supply and distribution system and method |
| CN111152655B (en) * | 2019-10-28 | 2021-08-27 | 北京航天发射技术研究所 | Multi-shaft hybrid power vehicle energy integrated power supply and distribution system and method |
| CN113443012A (en) * | 2021-06-30 | 2021-09-28 | 北京航天发射技术研究所 | Chassis hybrid driving mechanism of extra-heavy special vehicle |
| CN114872533A (en) * | 2022-07-12 | 2022-08-09 | 中国重汽集团济南动力有限公司 | 48V hybrid system for electric braking light truck and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104097501A (en) | Hybrid structure for multi-axle heavy off-road vehicle | |
| CN103481766B (en) | A kind of drive system of electronlmobil and method | |
| CN102294963A (en) | Double-motor double-energy compound driving system | |
| CN204095511U (en) | A kind of hybrid power four-wheel drive system and automobile | |
| CN107310372A (en) | A kind of plug-in electric-electric hybrid fuel cell extended-range four-driving-force system | |
| CN107160995A (en) | A kind of connection in series-parallel configuration increases the distributed hybrid power system of journey | |
| CN103921667B (en) | Hybrid power system | |
| CN101774379B (en) | Vehicle hybrid four-wheel electric drive system | |
| CN107825955A (en) | A kind of distributed Two axle drive hybrid power system and its driving method | |
| CN202686354U (en) | Integrated variable speed drive device and electric control energy and management system for hybrid power vehicle | |
| CN204055310U (en) | A kind of hybrid power four-wheel drive system and automobile | |
| CN102897016A (en) | Drive transmission and control system of double-clutch variable-speed four-wheel driven hybrid power vehicle | |
| CN101913322A (en) | Time-division 4-wheel drive (4WD) parallel hybrid driving system | |
| CN101096180A (en) | Four-wheel driven hybrid power system and working method | |
| CN108394271A (en) | A kind of distributed three motors driving power system | |
| CN101774346A (en) | Hybrid power assembly having four-wheel drive characteristics and vehicle assembled with same | |
| CN102897029A (en) | Range-extending four-wheel pure electric automobile power system | |
| CN103158568A (en) | Extend range type electric automobile power system | |
| CN107985047A (en) | A kind of distribution twin shaft Dual-motors Driving pure electric vehicle dynamical system | |
| CN204161082U (en) | A kind of stroke-increasing electric automobile dynamic assembly | |
| CN202088863U (en) | Hybrid power tractor | |
| CN103660971B (en) | A kind of mining dump truck with electric wheels four-wheel drive system | |
| CN105480078B (en) | A kind of hybrid power offroad vehicle assembly panelized arrangement | |
| CN201677876U (en) | Hybrid four-wheel type electric drive system for vehicles | |
| CN105774504A (en) | Power-driven system and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141015 |
|
| RJ01 | Rejection of invention patent application after publication |