CN201677876U - Hybrid four-wheel type electric drive system for vehicles - Google Patents
Hybrid four-wheel type electric drive system for vehicles Download PDFInfo
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- CN201677876U CN201677876U CN2010201356148U CN201020135614U CN201677876U CN 201677876 U CN201677876 U CN 201677876U CN 2010201356148 U CN2010201356148 U CN 2010201356148U CN 201020135614 U CN201020135614 U CN 201020135614U CN 201677876 U CN201677876 U CN 201677876U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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Abstract
A hybrid four-wheel type electric drive system for vehicles comprises an integrated controller, wherein the integrated controller is respectively connected with an engine controller, a charge-discharge device and all the traction motor controls through CAN buses and controls the timely energy supply and power distribution of the whole electric drive system, and the integrated controller is connected with a remote control module through a serial bus; the inside of the integrated controller consists of a voltage stabilization control unit, a battery charge-discharge control unit, an electric energy brake control, a drive mode switch control and an combination control unit; and an electronic differential control unit is arranged in the integrated controller. The utility model not only has all the advantages of a four-wheel drive, but also has all the advantages of an electric drive system, and thereby solving the problem of insufficient drive range; the system is dispensed with the traditional mechanical differential, can freely move through a remote control, and thereby broadening the application scope of vehicles; and an engine optimum fuel consumption control mode is adopted, so the optimum dynamic performance is achieved.
Description
Technical field
The utility model relates to the vehicular drive technical field, relates in particular to a kind of vehicle hybrid four-wheel electric drive system.
Background technology
Along with the development of modern vehicle technology, people are more and more higher to the various performance demands of vehicle.For making vehicle have good skid resistance, better acceleration capability and riding stability, the drive system of vehicle is developed by the direction of traditional rear-guard to multiple-wheel drive, and wherein the development of four wheel drive technology is the most typical; The vehicular four wheels actuation techniques can be according to the information such as rotating speed of antero posterior axis, and control also distributes the antero posterior axis propulsive effort.At first, wherein automobile is in operation and adapts to motoring condition and road surface situation based on the four wheel drive technology of mechanical drive, driving torque is reasonably distributed to front and back wheel, give full play to the propulsive effort of each tire, improve the road-holding property of automobile, be not easy to occur the tyre skidding phenomenon under the bad situation of road conditions, the oil consumption also back-wheel drive than general is big; Secondly, electric tramsmission vehicle energy utilization rate height, little, the no exhaust emission of noise be a kind of desirable system of vehicle transmission technology, but its development are subjected to the restriction of correlative technology field development level.At present, hybrid power and pure electric vehicle are the both directions of electric tramsmission research, on the structure of electric drive system, adopt two motors of single motor or left and right sides to drive front-wheel or trailing wheel more, rear-guard or forerunner with the traditional mechanical transmission on type of drive are the same.
The utility model content
At above defective, the purpose of this utility model provides a kind of vehicle hybrid four-wheel electric drive system, makes its all advantages that both possessed four wheel drive, and the institute that has electric drive system again has superiority, thereby can solve the problem of insufficient driving range.
For achieving the above object, the utility model is achieved through the following technical solutions:
A kind of vehicle hybrid four-wheel electric drive system, comprise driving engine, engine controller, general controller, electrical generator, rectifier, power battery pack, charge and discharge device and four inverters and four traction motor controllers, described general controller inside is by the voltage stabilizing control unit, the battery charging and discharging control unit, the electric energy control of braking, driving model switching controls and Comprehensive Control unit are formed, this general controller connects engine controller respectively by the CAN bus, charge and discharge device and each traction motor controller are also controlled the timely supply and demand of energy and the power distribution of whole power drive system, the general controller outside is provided with master cock, and general controller is connected with remote control module by universal serial bus; Be provided with electronic differential control unit and algorithm in this general controller; Described rectifier connects electrical generator by lead, and the input end of electrical generator inserts the mouth of driving engine, the described charge and discharge device power battery pack that is connected in series, and described rectifier connects charge and discharge device, expansion interface and four inverters respectively; Each inverter all inserts corresponding electrical motor and retarder by lead.
Described engine controller comprises ratch position control, damping loads part, calculating unit and the load of hybrid power power drive system; The difference of the best power that engine controller can send when being in rotating speed at that time according to the horsepower output of electrical generator and driving engine controls the engine oil amount.
Each traction motor controller adopts speed and current double closed-loop control structure, is provided with the power ring line construction; On control method, adopt the space voltage vector control method, by Clark conversion, Park conversion with and inverse transform.
Compared with prior art, the utility model beneficial effect is:
(1) both possessed all advantages of four wheel drive, the institute that has electric drive system again has superiority, thereby can solve the problem of insufficient driving range;
(2) general controller is by the electronic differential control algorithm, omitted traditional mechanical differential gear box, do not have at vehicle can realize that any radius of vehicle turns under the effect of mechanical steering device, make vehicle under unpiloted situation, also can free motion by Remote, widen the field of application of vehicle;
(3) adopt the best fuel oil consumption mode of driving engine, be operated in optimal economic fuel oil state in the time of can not only making engine steady state, and can reach best dynamic property;
(4) except that employing speed, current double closed-loop control structure, introduce power ring, guarantee total system in the course of the work steadily, and make system have desirable tractive characteristic.
Description of drawings
According to embodiment and accompanying drawing the utility model is described in further detail below.
Fig. 1 is the system architecture module map of the described vehicle hybrid four-wheel electric drive system of the utility model embodiment;
Fig. 2 is the control unit of engine functional-block diagram of the described vehicle hybrid four-wheel electric drive system of the utility model embodiment;
Fig. 3 is the traction electric machine control unit functional-block diagram of the described vehicle hybrid four-wheel electric drive system of the utility model embodiment;
Fig. 4 is the general controller part of module structural representation of the described vehicle hybrid four-wheel electric drive system of the utility model embodiment.
The specific embodiment
As Fig. 1 and shown in Figure 4, vehicle hybrid four-wheel electric drive system described in the utility model, comprise driving engine, engine controller, general controller, electrical generator, rectifier, power battery pack, charge and discharge device and four inverters and four traction motor controllers, described general controller inside is by the voltage stabilizing control unit, the battery charging and discharging control unit, the electric energy control of braking, driving model switching controls and Comprehensive Control unit are formed, this general controller connects engine controller respectively by the CAN bus, charge and discharge device and each traction motor controller are also monitored its state and are controlled the timely supply and demand of energy and the power distribution of whole power drive system, the general controller outside is provided with master cock, and general controller is connected with remote control module by universal serial bus; Be provided with electronic differential control unit and algorithm in this general controller, thereby omitted traditional mechanical differential gear box, make it under vehicle has the effect of mechanical steering device, can not realize that any radius of vehicle turns to, and make vehicle under unpiloted situation, also can free motion by Remote, widen the field of application of vehicle; According to the road conditions difference, comprehensive controling algorithm is automatically selected the drive pattern that is fit to work as, can select the mode of back-wheel drive on normal road surface for use; When running into the situation that the road surface is bad or drive wheel skids, two wheels that can detect car load information automatically and arrange forward immediately send the takeoff output instruction, power distribution relation between the control four-wheel switches to the four wheel drive state naturally by original two-wheel drive in real time, uses simpler.Described rectifier connects electrical generator by lead, and the input end of electrical generator inserts the mouth of driving engine, the described charge and discharge device power battery pack that is connected in series, and described rectifier connects charge and discharge device, expansion interface and four inverters respectively; Each inverter all inserts corresponding electrical motor and retarder by lead.
As shown in Figure 2, vehicle hybrid four-wheel electric drive system described in the utility model, described engine controller comprises ratch position control, damping loads part, calculating unit and the load of hybrid power power drive system, and the load of described hybrid power power drive system directly is connected with calculating unit; When controlling, earlier the best fuel oil consumption curve (optimal engine rotating speed and output power curve) of driving engine is stored in the controller internal memory, the difference of the best power that controller can send when being in rotating speed at that time according to the horsepower output of electrical generator and driving engine controls the engine oil amount, power if desired is greater than optimum output power, control unit increases delivery quality, otherwise reduces delivery quality; Delivery quality remained unchanged when two power equated, this control method is operated in optimal economic fuel oil state in the time of can not only making engine steady state, and can reach best dynamic property, promptly do when making a dash when vehicle, driving engine just is in maximum fuel feeding state in whole process, just be in minimum fuel feeding state during brake.
As shown in Figure 3, vehicle hybrid four-wheel electric drive system described in the utility model, each traction motor controller is on control structure, employing speed and current double closed-loop control structure, introduce power ring, guarantee total system in the course of the work steadily, and make system have desirable tractive characteristic; On control method, adopt the space voltage vector control method, by Clark conversion, Park conversion with and inverse transform, controlling quantity is converted to d axle, the q axle DC component of rotation, amplitude variation from Alternating Component fixing, that amplitude changes, d axle DC component control motor gas-gap magnetic-field intensity, q axle control Motor torque size realize the decoupling zero control of control variable.
More than vehicle hybrid four-wheel electric drive system described in the utility model, driving engine drives electrical generator and sends three plase alternating current during work, three plase alternating current amplitude and frequency change with engine speed change; The three plase alternating current that changes becomes the amplitude stability direct current (DC) through behind the controlled rectifier under the effect of general controller; Direct current (DC) directly provides input voltage for inverter, and under the control of general controller, charges to power battery pack by charge and discharge device; Inverter becomes the three plase alternating current of amplitude and frequency change to be added on the AC traction electric motor dc inverter, for traction electric machine provides power supply, and the function that realization speed is adjusted or moment of torsion is adjusted under the electric machine controller effect; Traction electric machine links to each other with retarder, drives vehicle after slowing down by retarder and rotates.In the real work, the engine operation rotating speed is between 1600 rev/mins to 2500 rev/mins, driving engine and generator coaxle, electrical generator becomes 540 volts of stable vdcs sending amplitude, changeable frequency three plase alternating current under the drive of driving engine after rectification control, this vdc directly links to each other with four inverters on the one hand, for traction electric machine provides electric energy; Link to each other with charge and discharge device on the one hand, for power battery pack provides charge power supply, when power drive system needs under the big current conditions in acceleration, climbing etc., it is the power drive system power supply that the 540V direct current (DC) of power battery pack after by charge and discharge device and generator commutation united, when the enough power drive systems of the electric energy that sends when electrical generator use, perhaps be lower than at 0.3 o'clock at the charged capacity of power battery pack, power battery pack does not provide electric energy; The electric energy that the electric energy that needs when power drive system can send less than electrical generator, and the charged capacity of power battery pack is lower than at 0.3 o'clock, under the control of general controller system can be automatically to the power battery pack charging, and be higher than at 0.95 o'clock at the charged capacity of battery pack and stop charging automatically.In addition, battery pack discharge and recharge also can be artificial the switch that passes through be controlled at random time and discharge and recharge.
Claims (4)
1. vehicle hybrid four-wheel electric drive system, comprise driving engine, engine controller, general controller, electrical generator, rectifier, power battery pack, charge and discharge device and four inverters and four traction motor controllers, it is characterized in that: described general controller connects engine controller, charge and discharge device and each traction motor controller respectively by the CAN bus and controls the timely supply and demand of energy and the power distribution of whole power drive system, and general controller is connected with remote control module by universal serial bus; Described rectifier connects electrical generator by lead, and the input end of electrical generator inserts the mouth of driving engine, the described charge and discharge device power battery pack that is connected in series, and described rectifier connects charge and discharge device, expansion interface and four inverters respectively; Each inverter all inserts corresponding electrical motor and retarder by lead.
2. vehicle hybrid four-wheel electric drive system according to claim 1 is characterized in that: described general controller inside is made up of voltage stabilizing control unit, battery charging and discharging control unit, electric energy control of braking, driving model switching controls and Comprehensive Control unit.
3. vehicle hybrid four-wheel electric drive system according to claim 1 and 2 is characterized in that: be provided with the electronic differential control unit in the described general controller.
4. vehicle hybrid four-wheel electric drive system according to claim 1 is characterized in that: described engine controller comprises ratch position control, damping loads part, calculating unit and the load of hybrid power power drive system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201356148U CN201677876U (en) | 2010-03-19 | 2010-03-19 | Hybrid four-wheel type electric drive system for vehicles |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201356148U CN201677876U (en) | 2010-03-19 | 2010-03-19 | Hybrid four-wheel type electric drive system for vehicles |
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| CN201677876U true CN201677876U (en) | 2010-12-22 |
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| CN2010201356148U Expired - Fee Related CN201677876U (en) | 2010-03-19 | 2010-03-19 | Hybrid four-wheel type electric drive system for vehicles |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101774379A (en) * | 2010-03-19 | 2010-07-14 | 无锡新大力电机有限公司 | Vehicle hybrid four-wheel electric drive system |
| CN102632808A (en) * | 2012-04-28 | 2012-08-15 | 无锡千里马车业制造有限公司 | Mileage-extending type electric vehicle |
| CN105564348A (en) * | 2014-10-31 | 2016-05-11 | 美国轮轴制造公司 | Controlling Automotive Vehicle Powertrain, Drivetrain Suspension Components and Accessories Using Portable Personal Electronic Telecommunication Devices |
| CN106034541A (en) * | 2016-08-03 | 2016-10-26 | 安志辉 | Four-wheel driven remote control mower |
| CN108345299A (en) * | 2017-01-23 | 2018-07-31 | 株式会社久保田 | Operation Van's wireless management system |
-
2010
- 2010-03-19 CN CN2010201356148U patent/CN201677876U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101774379A (en) * | 2010-03-19 | 2010-07-14 | 无锡新大力电机有限公司 | Vehicle hybrid four-wheel electric drive system |
| CN101774379B (en) * | 2010-03-19 | 2013-06-05 | 无锡新大力电机有限公司 | Vehicle hybrid four-wheel electric drive system |
| CN102632808A (en) * | 2012-04-28 | 2012-08-15 | 无锡千里马车业制造有限公司 | Mileage-extending type electric vehicle |
| CN105564348A (en) * | 2014-10-31 | 2016-05-11 | 美国轮轴制造公司 | Controlling Automotive Vehicle Powertrain, Drivetrain Suspension Components and Accessories Using Portable Personal Electronic Telecommunication Devices |
| CN106034541A (en) * | 2016-08-03 | 2016-10-26 | 安志辉 | Four-wheel driven remote control mower |
| CN108345299A (en) * | 2017-01-23 | 2018-07-31 | 株式会社久保田 | Operation Van's wireless management system |
| CN108345299B (en) * | 2017-01-23 | 2022-10-14 | 株式会社久保田 | Wireless management system for operation vehicle |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101222 Termination date: 20130319 |