CN203844623U - Electric vehicle independent four-hub electric driving system - Google Patents

Electric vehicle independent four-hub electric driving system Download PDF

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Publication number
CN203844623U
CN203844623U CN201420278184.3U CN201420278184U CN203844623U CN 203844623 U CN203844623 U CN 203844623U CN 201420278184 U CN201420278184 U CN 201420278184U CN 203844623 U CN203844623 U CN 203844623U
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driver element
drive system
battery pack
wheel
power battery
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王大方
杨博文
周传炜
廖江敏
林日升
吴晓壮
王明玉
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Wang Dafang
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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

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Abstract

The utility model discloses an electric vehicle independent four-hub electric driving system, a designing method and a control method of the voltage and the power of driving units and relates to the technical field of a short-distance pure-electric passenger vehicle. The system comprises four hub motors, four driving systems, a whole vehicle controller and an instrument displaying and driver input system. The four driving systems are connected with the four hub motors respectively and are used for driving the hub motors. The system is characterized in that four power battery packs and management systems are arranged and are connected with the four driving systems respectively, direct-current electric energy is provided for the four driving systems, and the control method of the four driving systems under different working states is provided. The system has the advantages that the total number of single batteries of the four power battery packs is small, the service life of the unit battery packs is long, the energy recovery efficiency is high, charging time is short, modularization and standardized production of an electric vehicle can be easily achieved, cost can be effectively lowered, and the reliability of the whole vehicle can be improved.

Description

Electronlmobil independence four-wheel hub power drive system
Technical field
The present invention relates to the pure electric passenger vehicle technical field of short distance, say in detail it is that a kind of battery unit quantity is few, long service life, charging rate is fast, the electronlmobil independence four-wheel hub power drive system that energy recovery efficiency is high.
Background technology
The pure electric passenger vehicle of short distance meets the lower limit of the pure electric passenger vehicle engineering factor of < < > > (GB/T 28382-2012), orientates replacement Low Speed BEV in the market as.According to the pure electric passenger vehicle engineering factor of < < > >, under the maximum speed of the pure electric passenger vehicle of short distance, be limited to 80km/h, purposes in conjunction with the pure electric passenger vehicle of short distance, mainly in urban and suburban roads, travel, do not consider highway driving demand, maximum speed is generally slightly larger than 80km/h.
Individual drive technology is called as " developing direction of drive system of electric automobile " and " chassis technology that is applicable to electronlmobil ".Because the maximum speed of the pure electric passenger vehicle of short distance is lower, can not consider the impact of nonspring carried mass on car load ride comfort, independent four-wheel hub power drive system will be the preferred drive system of the pure electric passenger vehicle of short distance.
The structure of the distributed independent four-wheel hub power drive system that at present, open source information shows is:
(1) system comprises four wheel hub motors, and the rotor of four wheel hub motors is connected with four wheels respectively.Comprise four In-wheel motor driving systems, be respectively used to drive four wheel hub motor rotations, by wheel hub motor, drive rotation of wheel.Comprise an entire car controller, for determining according to chaufeur input and whole vehicle state feedback the target torque that is sent to four In-wheel motor driving systems.
(2) system comprises a power battery pack administrating system, unifying provides direct current energy for four In-wheel motor driving systems, monitor the operational factors such as voltage, electric current and temperature of power battery pack and cell simultaneously, and calculate in real time the dump energy of power battery pack.The mode of connection of power battery pack to a four In-wheel motor driving system is: from the positive pole of power battery pack, draw four wires, be connected respectively to the positive pole of four In-wheel motor driving systems, from the negative pole of power battery pack, draw four wires, be connected respectively to the negative pole of four In-wheel motor driving systems, that is, the both positive and negative polarity of four In-wheel motor driving systems is parallel to the both positive and negative polarity of power battery pack.
(3) system comprises that an instrument shows and chaufeur input system, for showing in real time whole vehicle state and the input message that gathers chaufeur.Data transmission between four In-wheel motor driving systems that system comprises, power battery pack management system, entire car controller and instrument demonstration and chaufeur input system adopts the connection mode of communication bus.
Although the independent four-wheel hub power drive system of said structure has solved the problem of four-wheel individual drive, but owing to adopting single battery pack simultaneously to the power supply of four-wheel hub power drive system, in power-supply system, there are the following problems: the battery unit quantity of battery pack is large, service life is short, battery pack is when external charge, only can charge by a battery charger, charging duration is long; When braking energy reclaims, four In-wheel motor driving systems are simultaneously to batteries charging, four In-wheel motor driving systems all can exert an influence to the DC bus-bar voltage of battery pack, the size of charging current is subject to the impact of voltage difference, cause the braking energy removal process of four In-wheel motor driving systems to interact, affect braking energy organic efficiency.The power of each wheel hub motor of tradition four-wheel hub power drive system is consistent with voltage swing, and Integral automobile structure design is limited, and complete vehicle structure is unreasonable; The power of each driver element is subject to the constraint of other driver elements, and the power designs of each driver element is single.
Summary of the invention
The object of the invention is to solve above-mentioned the deficiencies in the prior art, provide a kind of battery unit quantity little, long service life, charging rate is fast, the electronlmobil independence four-wheel hub power drive system that energy recovery efficiency is high.
The present invention solves the technical scheme that the deficiency of above-mentioned technology adopts:
A kind of electronlmobil independence four-wheel hub power drive system, comprise that first wheel motor, the second wheel hub motor, third round hub motor, fourth round hub motor, the first drive system, the second drive system, the 3rd drive system, the 4th drive system, entire car controller and instrument show and chaufeur input system, the first drive system, the second drive system, the 3rd drive system, the 4th drive system are connected with first wheel motor, the second wheel hub motor, third round hub motor, fourth round hub motor respectively, for drive hub motor; It is characterized in that being provided with the first power battery pack administrating system, the second power battery pack administrating system, three-power electric pond group administrating system and the 4th power battery pack administrating system, the first power battery pack administrating system, the second power battery pack administrating system, three-power electric pond group administrating system and the 4th power battery pack administrating system are connected with the first drive system, the second drive system, the 3rd drive system and the 4th drive system respectively, for it provides direct current energy.
The mode that adopts bus to connect between the first drive system described in the present invention, the second drive system, the 3rd drive system, the 4th drive system, the first power battery pack administrating system, the second power battery pack administrating system, three-power electric pond group administrating system, the 4th power battery pack administrating system, entire car controller and instrument demonstration and chaufeur input system connects, data transmission.
In the present invention, first wheel motor, the first drive system and the first power battery pack administrating system form the first driver element, for individual drive right front wheel; The second wheel hub motor, the second drive system and the second power battery pack administrating system form the second driver element, for individual drive right rear wheel; Third round hub motor, the 3rd drive system and three-power electric pond group administrating system form the 3rd driver element, for individual drive front left wheel; Fourth round hub motor, the 4th drive system and the 4th power battery pack administrating system form 4 wheel driven moving cell, for the left back wheel of individual drive.
The control method of above-mentioned electronlmobil independence four-wheel hub power drive system,
(1) when four driver elements are during all in normal working, entire car controller sends target torque to the first driver element, the second driver element, the 3rd driver element and 4 wheel driven moving cell in real time according to chaufeur input and whole vehicle state feedback, the first driver element is identical with the target torque of the 3rd driver element, and the second driver element is identical with the target torque of 4 wheel driven moving cell;
(2) when the first driver element is in faulty condition, other three driver elements are all when normal working, and entire car controller sends target torque to the second driver element, the 3rd driver element and 4 wheel driven moving cell in real time according to chaufeur input and whole vehicle state feedback; The target torque sum of the 3rd driver element and 4 wheel driven moving cell is identical with the target torque of the second driver element; Car load speed limit is set to 60km/h;
(3) when the second driver element is in faulty condition, other three driver elements are all when normal working, and entire car controller sends target torque to the first driver element, the 3rd driver element and 4 wheel driven moving cell in real time according to chaufeur input and whole vehicle state feedback; The target torque sum of the 3rd driver element and 4 wheel driven moving cell is identical with the target torque of the first driver element; Car load speed limit is set to 60km/h;
(4) when the 3rd driver element is in faulty condition, other three driver elements are all when normal working, and entire car controller sends target torque to the first driver element, the second driver element and 4 wheel driven moving cell in real time according to chaufeur input and whole vehicle state feedback; The target torque sum of the first driver element and the second driver element is identical with the target torque of 4 wheel driven moving cell; Car load speed limit is set to 60km/h;
(5) when 4 wheel driven moving cell is in faulty condition, other three driver elements are all when normal working, and entire car controller sends target torque to the first driver element, the second driver element and the 3rd driver element in real time according to chaufeur input and whole vehicle state feedback; The target torque sum of the first driver element and the second driver element is identical with the target torque of the 3rd driver element; Car load speed limit is set to 60km/h;
(6) when the first driver element and the 3rd driver element are in faulty condition, two other driver element is all when normal working, and entire car controller sends target torque to the second driver element and 4 wheel driven moving cell in real time according to chaufeur input and whole vehicle state feedback; The second driver element is identical with the target torque of 4 wheel driven moving cell; Car load speed limit is set to 40km/h;
(7) when the second driver element and 4 wheel driven moving cell are in faulty condition, two other driver element is all when normal working, and entire car controller sends target torque to the first driver element and the 3rd driver element in real time according to chaufeur input and whole vehicle state feedback; The first driver element is identical with the target torque of the 3rd driver element; Car load speed limit is set to 40km/h;
(8) when the first driver element and 4 wheel driven moving cell are in faulty condition, two other driver element is all when normal working, and entire car controller sends target torque to the second driver element and the 3rd driver element in real time according to chaufeur input and whole vehicle state feedback; The second driver element is identical with the target torque of the 3rd driver element; Car load speed limit is set to 30km/h;
(9) when the second driver element and the 3rd driver element are in faulty condition, two other driver element is all when normal working, and entire car controller sends target torque to the first driver element and 4 wheel driven moving cell in real time according to chaufeur input and whole vehicle state feedback; The first driver element is identical with the target torque of 4 wheel driven moving cell; Car load speed limit is set to 30km/h;
(10) when the first driver element and the second driver element are in faulty condition, two other driver element is all when normal working, and entire car controller sends target torque to the 3rd driver element and 4 wheel driven moving cell in real time according to chaufeur input and whole vehicle state feedback; Car load speed limit is set to 20km/h;
(11) when the 3rd driver element and 4 wheel driven moving cell are in faulty condition, two other driver element is all when normal working, and entire car controller sends target torque to the first driver element and the second driver element in real time according to chaufeur input and whole vehicle state feedback; Car load speed limit is set to 20km/h;
(12) when only having a driver element in normal working, other three driver elements are all when faulty condition, and entire car controller sends target torque to the driver element in normal working in real time according to chaufeur input and whole vehicle state feedback; Car load speed limit is set to 10km/h;
(13) when four driver elements are during all in faulty condition, vehicle cannot travel.
In the present invention, entire car controller sends to the target torque of each driver element to be not more than the torque limit of being adhered to condition restriction decision by road surface.Guarantee that wheel is operated in pure rolling operating mode, does not occur the operating mode of wheel slip or slippage.
The present invention has following beneficial effect:
1,, under identical operating mode, the cell sum of four power battery pack of the present invention is less than the sum of the cell of traditional single power supply unit needs.2, under identical operating mode, the life-span of four power battery pack of the present invention is longer than the life-span of traditional single power supply unit battery pack, and be about 3 years battery pack service life of common pure electric passenger vehicle, and be 4-5 the service life of battery pack of the present invention.When 3, braking energy reclaims, four independent power supply units can independently receive the charging of four In-wheel motor driving systems, and process of charging is independent, and energy recovery efficiency is high.4, during external power charging, four independent power supply units can charge by four battery chargers simultaneously, and charging duration is shorter, can reach in theory 1/4 of traditional charging duration.5, the modularization, the standardized production that are easier to realize electronlmobil, can effectively reduce cost, improves the reliability of car load.
Accompanying drawing explanation
Fig. 1 is system architecture schematic diagram of the present invention.
Fig. 2 is control method diagram of circuit of the present invention.
The specific embodiment
Electronlmobil independence four-wheel hub power drive system as shown in Figure 1, comprises that first wheel motor 1, the second wheel hub motor 8, third round hub motor 9, fourth round hub motor 18, the first drive system 2, the second drive system 7, the 3rd drive system 10, the 4th drive system 17, entire car controller 14 and instrument show and chaufeur input system 13.Wherein first wheel motor 1, the second wheel hub motor 8, third round hub motor 9 and fourth round hub motor 18 are connected with four wheels of electronlmobil respectively, for the propulsive effort of Vehicle Driving Cycle is provided, and when car brakeing, realize the recovery of braking energy.The first drive system 2, the second drive system 7, the 3rd drive system 10, the 4th drive system 17 are connected with first wheel motor 1, the second wheel hub motor 8, third round hub motor 9, fourth round hub motor 18 respectively, for drive hub motor; The master mode of each wheel hub motor all adopts torque closed loop mode.Said structure is same as the prior art, repeats no more.The invention is characterized in and be provided with the first power battery pack administrating system 4, the second power battery pack administrating system 5, three-power electric pond group administrating system 12 and the 4th power battery pack administrating system 15, the first power battery pack administrating system 4, the second power battery pack administrating system 5, three-power electric pond group administrating system 12 and the 4th power battery pack administrating system 15 respectively with the first drive system 2, the second drive system 7, the 3rd drive system 9 is connected with the 4th drive system 17, for it provides direct current energy, monitor the voltage of power battery pack and cell separately simultaneously, the operational factor such as electric current and temperature, and calculate in real time the dump energy of power battery pack separately.The first drive system, the second drive system, the 3rd drive system, the 4th drive system, the first power battery pack administrating system, the second power battery pack administrating system, three-power electric pond group administrating system, the 4th power battery pack administrating system, between entire car controller 14 and instrument demonstration and chaufeur input system 13, data transmission adopts the connection mode of communication bus, typically be applied as at present and adopt CAN(controller local area network) connection mode of bus, form distributed control system, in the process that realizes multi-control cell data transmission, can avoid the surge of sensor redundancy and wire harness quantity.Instrument shows and the radical function of chaufeur input system is to show in real time the status information of each parts in electronlmobil independence four-wheel hub power drive system and the input message that gathers chaufeur.
First wheel motor, the first drive system and the first power battery pack administrating system form the first driver element 3, for individual drive right front wheel; The second wheel hub motor, the second drive system and the second power battery pack administrating system form the second driver element 6, for individual drive right rear wheel; Third round hub motor, the 3rd drive system and three-power electric pond group administrating system form the 3rd driver element 11, for individual drive front left wheel; Fourth round hub motor, the 4th drive system and the 4th power battery pack administrating system form 4 wheel driven moving cell 16, for the left back wheel of individual drive; The master mode of each driver element all adopts torque closed loop mode, independently realizes separately the recovery of braking energy when car brakeing.
Entire car controller determines according to chaufeur input and whole vehicle state feedback the target torque that is sent to the first driver element, the second driver element, the 3rd driver element and 4 wheel driven moving cell, to meet the needs of Vehicle Driving Cycle.The basis of target torque need to meet following three conditions:
(1) under the prerequisite that guarantees car load dynamic property, make each driver element be operated in efficient district as far as possible, improve the continual mileage of car load; Chaufeur is totally released acceleration pedal, enters regenerative brake operating mode, and regenerative brake target torque should guarantee maximum braking energy organic efficiency;
(2) in order to guarantee the Yaw stability of car load, at entire car controller, calculate in the process of target torque, in situation about allowing, should guarantee that the first driver element is identical with the target torque of the 3rd driver element, the second driver element is identical with the target torque of 4 wheel driven moving cell;
(3) entire car controller sends to the target torque of each driver element should be not more than the torque limit of being adhered to condition restriction decision by road surface, guarantees that wheel is operated in pure rolling operating mode, does not occur the operating mode of wheel slip or slippage;
Instrument shows and the radical function of chaufeur input system is to show in real time the status information of each parts of electronlmobil and the input message that gathers chaufeur.
Each driver element is divided into two kinds of mode of operations: (1) normal working, now driver element can drive wheel normally.(2) faulty condition, now driver element cannot drive wheel, and the target torque that entire car controller is sent to the driver element in faulty condition is 0, shows and chaufeur input system is reported to the police by instrument simultaneously, concrete which the driver element et out of order of indication, is convenient to maintenance.
As shown in Figure 2, according to the mode of operation of each driver element, entire car controller adopts following control method to drive system:
(1) when four driver elements are during all in normal working, entire car controller sends target torque to the first driver element, the second driver element, the 3rd driver element and 4 wheel driven moving cell in real time according to chaufeur input and whole vehicle state feedback, the first driver element is identical with the target torque of the 3rd driver element, and the second driver element is identical with the target torque of 4 wheel driven moving cell; Car load speed limit is set to 90km/h;
(2) when the first driver element is in faulty condition, other three driver elements are all when normal working, and entire car controller sends target torque to the second driver element, the 3rd driver element and 4 wheel driven moving cell in real time according to chaufeur input and whole vehicle state feedback; The target torque sum of the 3rd driver element and 4 wheel driven moving cell is identical with the target torque of the second driver element; Car load speed limit is set to 60km/h;
(3) when the second driver element is in faulty condition, other three driver elements are all when normal working, and entire car controller sends target torque to the first driver element, the 3rd driver element and 4 wheel driven moving cell in real time according to chaufeur input and whole vehicle state feedback; The target torque sum of the 3rd driver element and 4 wheel driven moving cell is identical with the target torque of the first driver element; Car load speed limit is set to 60km/h;
(4) when the 3rd driver element is in faulty condition, other three driver elements are all when normal working, and entire car controller sends target torque to the first driver element, the second driver element and 4 wheel driven moving cell in real time according to chaufeur input and whole vehicle state feedback; The target torque sum of the first driver element and the second driver element is identical with the target torque of 4 wheel driven moving cell; Car load speed limit is set to 60km/h;
(5) when 4 wheel driven moving cell is in faulty condition, other three driver elements are all when normal working, and entire car controller sends target torque to the first driver element, the second driver element and the 3rd driver element in real time according to chaufeur input and whole vehicle state feedback; The target torque sum of the first driver element and the second driver element is identical with the target torque of the 3rd driver element; Car load speed limit is set to 60km/h;
(6) when the first driver element and the 3rd driver element are in faulty condition, two other driver element is all when normal working, and entire car controller sends target torque to the second driver element and 4 wheel driven moving cell in real time according to chaufeur input and whole vehicle state feedback; The second driver element is identical with the target torque of 4 wheel driven moving cell; Car load speed limit is set to 40km/h;
(7) when the second driver element and 4 wheel driven moving cell are in faulty condition, two other driver element is all when normal working, and entire car controller sends target torque to the first driver element and the 3rd driver element in real time according to chaufeur input and whole vehicle state feedback; The first driver element is identical with the target torque of the 3rd driver element; Car load speed limit is set to 40km/h;
(8) when the first driver element and 4 wheel driven moving cell are in faulty condition, two other driver element is all when normal working, and entire car controller sends target torque to the second driver element and the 3rd driver element in real time according to chaufeur input and whole vehicle state feedback; The second driver element is identical with the target torque of the 3rd driver element; Car load speed limit is set to 30km/h;
(9) when the second driver element and the 3rd driver element are in faulty condition, two other driver element is all when normal working, and entire car controller sends target torque to the first driver element and 4 wheel driven moving cell in real time according to chaufeur input and whole vehicle state feedback; The first driver element is identical with the target torque of 4 wheel driven moving cell; Car load speed limit is set to 30km/h;
(10) when the first driver element and the second driver element are in faulty condition, two other driver element is all when normal working, and entire car controller sends target torque to the 3rd driver element and 4 wheel driven moving cell in real time according to chaufeur input and whole vehicle state feedback; Car load speed limit is set to 20km/h;
(11) when the 3rd driver element and 4 wheel driven moving cell are in faulty condition, two other driver element is all when normal working, and entire car controller sends target torque to the first driver element and the second driver element in real time according to chaufeur input and whole vehicle state feedback; Car load speed limit is set to 20km/h;
(12) when only having a driver element in normal working, other three driver elements are all when faulty condition, and entire car controller sends target torque to the driver element in normal working in real time according to chaufeur input and whole vehicle state feedback; Car load speed limit is set to 10km/h;
(13) when four driver elements are during all in faulty condition, vehicle cannot travel.
When car load is when driving operating mode, the target torque that entire car controller sends to each driver element is target drive torque, and when car load is during in damped condition, the target torque that entire car controller sends to each driver element is target braking torque.
Under the control of above-mentioned control method and under the speed limit of the speed of a motor vehicle, can realize vehicle pulsation-free under four wheel different conditions and travel.This drive system is except four driver elements break down simultaneously, electronlmobil all can move by pulsation-free, and in when operation, can or not ignore certain driver element non-normal working and make electronlmobil operation not steady because of the custom of chaufeur, avoid therefore causing traffic accident.
In the present invention, first wheel motor, the second wheel hub motor, third round hub motor, fourth round hub motor, the first drive system, the second drive system, the 3rd drive system, the 4th drive system, the first power battery pack administrating system, the second power battery pack administrating system, three-power electric pond group administrating system, the 4th power battery pack administrating system, entire car controller and instrument demonstration and chaufeur input system can be selected the product of existing maturation on market.
Beneficial effect of the present invention is as follows:
1,, under identical operating mode, the cell sum of four power battery pack of the present invention is less than the sum of the cell of traditional single power supply unit needs.2,, under identical operating mode, the life-span of four power battery pack of the present invention is longer than the life-span of traditional single power supply unit battery pack.When 3, braking energy reclaims, four independent power supply units can independently receive the charging of four In-wheel motor driving systems, and process of charging is independent, and energy recovery efficiency is high.4, during external power charging, four independent power supply units can charge by four battery chargers simultaneously, and charging duration is shorter, can reach in theory 1/4 of traditional charging duration.5, the modularization, the standardized production that are easier to realize electronlmobil, can effectively reduce cost, improves the reliability of car load.
Contriver draws a large amount of observed data statistical analysiss: for the identical electronlmobil of whole-car parameters, adopt traditional four-wheel hub electric drive trains to unify and adopt the independent four-wheel hub power drive system of the present invention's proposition to compare, under identical operating mode, adopt the cell of as much, the electronlmobil continual mileage that adopts the independent four-wheel hub power drive system that the present invention proposes is for adopting 1.1 times of electronlmobil continual mileage of traditional four-wheel hub power drive system.
For the identical electronlmobil of whole-car parameters, under identical operating mode, adopt life-span of batteries of electric automobile group of the independent four-wheel hub power drive system that the present invention proposes for adopting 1.5 times of life-span of the batteries of electric automobile group of traditional four-wheel hub power drive system.
The energy that contriver reclaims while adopting following method to calculate braking: install current sensor and voltage sensor additional at battery pack bus, wheel at electronlmobil installs torque and rotational speed sensor additional, the magnitude of voltage of the battery pack while recording braking energy recovery, the torque value of current value and wheel and tachometer value, this measured value is multiplied by the sampling period, draw mechanical energy and rechargeable electrical energy that this single sampling period is corresponding, the mechanical energy in all sampling periods of braking energy removal process and rechargeable electrical energy is cumulative, draw machinery total energy and the charging total energy of braking energy removal process.Statistics and analysis by a large amount of observed datas draws: for the identical electronlmobil of whole-car parameters, the braking energy of electric automobiles organic efficiency that adopts the independent four-wheel hub power drive system that the present invention proposes under identical operating mode is for adopting 1.2 times of braking energy of electric automobiles organic efficiency of traditional four-wheel hub power drive system.
The completely independently drive system that the present invention is directed to single drive wheel design, a wheel hub motor, an In-wheel motor driving system, a power battery pack administrating system have formed an independently driver element, be easier to realize modularization, the standardized production of electronlmobil, can effectively reduce cost, improve the reliability of car load; In four driver elements, during part driver element et out of order, can not affect other driver element, car load can also be operated in derate pattern, has improved the fault freedom of car load; The selectable mode of operation of car load drive system is more, by entire car controller, be free to control each independently driver element be operated in motor drive mode or generator energy take-back model.

Claims (2)

1. an electronlmobil independence four-wheel hub power drive system, comprise that first wheel motor, the second wheel hub motor, third round hub motor, fourth round hub motor, the first drive system, the second drive system, the 3rd drive system, the 4th drive system, entire car controller and instrument show and chaufeur input system, the first drive system, the second drive system, the 3rd drive system, the 4th drive system are connected with first wheel motor, the second wheel hub motor, third round hub motor, fourth round hub motor respectively, for drive hub motor; It is characterized in that being provided with the first power battery pack administrating system, the second power battery pack administrating system, three-power electric pond group administrating system and the 4th power battery pack administrating system, the first power battery pack administrating system, the second power battery pack administrating system, three-power electric pond group administrating system and the 4th power battery pack administrating system are connected with the first drive system, the second drive system, the 3rd drive system and the 4th drive system respectively, for it provides direct current energy.
2. electronlmobil independence four-wheel hub power drive system according to claim 1, is characterized in that adopting bus to connect between the first described drive system, the second drive system, the 3rd drive system, the 4th drive system, the first power battery pack administrating system, the second power battery pack administrating system, three-power electric pond group administrating system, the 4th power battery pack administrating system, entire car controller and instrument demonstration and chaufeur input system.
CN201420278184.3U 2014-05-28 2014-05-28 Electric vehicle independent four-hub electric driving system Expired - Fee Related CN203844623U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103963662A (en) * 2014-05-28 2014-08-06 王大方 Independent four-hub electrically driven system of electric automobile, voltage-power design method of each unit and control method of independent four-hub electrically driven system
CN105501078A (en) * 2015-11-26 2016-04-20 湖南大学 Cooperative control method of four-wheel independent-drive electric car
CN108312894A (en) * 2017-01-17 2018-07-24 郑州宇通客车股份有限公司 A kind of distributed driving more electrical fault control methods of city bus
CN114312267A (en) * 2021-01-28 2022-04-12 华为数字能源技术有限公司 Vehicle-mounted distributed power supply system, vehicle-mounted power supply control method and device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103963662A (en) * 2014-05-28 2014-08-06 王大方 Independent four-hub electrically driven system of electric automobile, voltage-power design method of each unit and control method of independent four-hub electrically driven system
CN103963662B (en) * 2014-05-28 2017-03-01 北京祥远通达科技有限公司 The independent four wheel hub power drive systems of electric automobile, the voltage of each driver element and power design approach and its control method
CN105501078A (en) * 2015-11-26 2016-04-20 湖南大学 Cooperative control method of four-wheel independent-drive electric car
CN108312894A (en) * 2017-01-17 2018-07-24 郑州宇通客车股份有限公司 A kind of distributed driving more electrical fault control methods of city bus
CN108312894B (en) * 2017-01-17 2020-10-02 郑州宇通客车股份有限公司 Distributed driving urban bus multi-motor fault control method
CN114312267A (en) * 2021-01-28 2022-04-12 华为数字能源技术有限公司 Vehicle-mounted distributed power supply system, vehicle-mounted power supply control method and device
WO2022160935A1 (en) * 2021-01-28 2022-08-04 华为数字能源技术有限公司 Vehicle-mounted distributed power supply system, and vehicle-mounted power supply control method and apparatus
US11811251B2 (en) 2021-01-28 2023-11-07 Huawei Digital Power Technologies Co., Ltd. On-board distributed power supply system and onboard power supply control method and apparatus
CN114312267B (en) * 2021-01-28 2024-04-09 华为数字能源技术有限公司 Vehicle-mounted distributed power supply system, vehicle-mounted power supply control method and device

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