CN101552525A - Pure electric driver for automobile - Google Patents

Pure electric driver for automobile Download PDF

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Publication number
CN101552525A
CN101552525A CNA2009100510323A CN200910051032A CN101552525A CN 101552525 A CN101552525 A CN 101552525A CN A2009100510323 A CNA2009100510323 A CN A2009100510323A CN 200910051032 A CN200910051032 A CN 200910051032A CN 101552525 A CN101552525 A CN 101552525A
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CN
China
Prior art keywords
permanent magnet
energy storage
electric machine
automobile
groups
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Pending
Application number
CNA2009100510323A
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Chinese (zh)
Inventor
杨永明
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Yancheng Heneng Electromechanical Technology Development Co ltd
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Yancheng Heneng Electromechanical Technology Development Co ltd
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Priority to CNA2009100510323A priority Critical patent/CN101552525A/en
Publication of CN101552525A publication Critical patent/CN101552525A/en
Pending legal-status Critical Current

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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
    • Y02T10/64Electric machine technologies in electromobility

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  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

The invention relates to an automobile pure electric driving machine which is mainly characterized by comprising a motor shell, a main shaft, a rotor embedded with a winding, a permanent magnet arranged on the inner circumference of the motor shell, a reversing device, an energy storage and transduction device and a speed reducing device, wherein the reversing device is arranged on the inner circumference of the motor shell; the permanent magnets arranged on the inner peripheral surface of the motor shell are arranged in a multi-group and multi-block combination mode, each permanent magnet is a tile-shaped body, the permanent magnets of each group are combined in the same pole on the end face of the same position, and the permanent magnets of the multi-group are arranged at intervals of N.S poles. The invention can be started under the low-voltage and low-current state and has the same torque, the instantaneous peak current of zero-stalling starting is small, the energy can be stored when the motor idles, and the temperature rise is less than 100 ℃.

Description

Electric drive of automobile
Technical field
The present invention relates to vehicular propulsion, is a kind of electric drive of automobile.
Background technology
In the prior art, the power set of automobile mainly are gasoline engine and diesel engine.Along with people to the cry that reduces environmental pollution under the natural resources condition less and less such as more and more higher and oil, the drive unit such as pure electronic of hybrid power, battery+motor is developed by leaps and bounds.At present, the pure electric automobile in research and development, motor generally adopt the permanent magnetism AC/DC motor, and be battery-powered.Because when existing alternating current-direct current magneto uses on pure electric automobile, be that load zero stall starts, its instantaneous peak current generally all will exceed several times even tens times of rated operational current, big instantaneous peak current like this, exceed battery allow to spark several times even tens times of electric current index, then accumulator plate very easily damages under long-term motor transient current impacts, so what existing storage battery occurs recycles the life-span number of times less than 30%, a group storage battery of car load is recycled continuously travel total kilometrage less than useful life of 30,000 kilometers.Obviously, improving the Vidacare corp structure of pure electric automobile, to overcome load zero stall starting state, is the importance that solves development pure electric automobile technical bottleneck.And, the inventor finds in the new purposes of permanent magnet magnetic performance that studies for a long period of time, permanent magnet has available kinetic energy and potential energy two parts, existing permanent magnet motor is the potential kinetic energy of activation of using permanent magnet singlely, as making electric energy convert electric moment of torsion to, and there is not fully to use potential potential energy in the permanent magnet.Therefore, if can pass through to the general structure of Vidacare corp and the design of magnet structure and the innovation of layout do, just can reduce to amplitude peak the zero blocking-free start instantaneous peak current of dc permanent magnet motor, improve the runnability of effective rate of utilization, useful life and the automobile of battery.
Summary of the invention
The purpose of this invention is to provide a kind of electric drive of automobile, make the wave force performance condition of its frequent zero stall startup that can adapt to pure electric automobile efficiently, speed-raising, acceleration and can reduce to start transient current efficiently, adapt with the performance that allows to spark with characteristic condition with existing storage battery, thereby the life-span is reused in the circulation that improves storage battery, and can effectively improve the driveability ability of pure electric automobile and the electric energy effective rate of utilization of battery capacity improves the once continual mileage of charging.
The technical scheme of the present invention that realizes above-mentioned purpose is, includes electric machine casing, main shaft, is embedded with the rotor of winding and is arranged on permanent magnet on the casing inner periphery, and the present invention also comprises a reversing arrangement, energy storage transducing head and deceleration device.Said reversing arrangement is packed on the termination of electric machine main shaft, and its hanging feet and winding coil head are affixed, and end face is meshed with brush.Said energy storage transducing head, include an inertia energy storage dish and a mono-directional overrun clutch, this mono-directional overrun clutch is packed in the other end of electric machine main shaft, and said inertia energy storage dish is packed on the excircle of this mono-directional overrun clutch, also is provided with a driving gear on this transducing head.Said deceleration device is located at the side of transducing head, and is meshed with driving gear with its reduction gearing, and the output of this deceleration device is established a power output shaft.Be arranged on that permanent magnet on the electric machine casing inner peripheral surface is many groups, polylith homopolar combination is arranged, every permanent magnet is a watt body, and every group polylith permanent magnetism is homopolar combination on the end face of same position, organize more permanent magnet with the N.S interpolar every arrangement; Be packed on the outer peripheral edges of the rotor on the electric machine main shaft, by the line embedding groove that axially has with the multiple tracks quantity of permanent magnet coupling, its built-in with the circulation winding coil of permanent magnet coupling.Said the present invention like this, the energy storage transducing head becomes a kind of new mechanical energy power source, also just can reduce to amplitude peak motor zero blocking-free start instantaneous peak current.After permanent magnet among the present invention is designed to watt physique structure, its Distribution of Magnetic Field is: semi-ring body curved line two ends are and have interval and low-intensity magnetic field interval, highfield, when the permanent magnet of anti-polylith watt physique structure with motor pole number, the accommodation mode assembled arrangement that line embedding groove number and rotating speed are complementary is after on stator (electric machine casing) inner periphery, whole group permanent magnet can form the waveform Distribution of Magnetic Field in strong and weak magnetic field, when rotor winding coil during through power supply conducting electric energy, each has the highfield district promptly becomes " the suction interval " of rotor and " repulsive interaction interval ", thus can get rid of armature dead angle dual intensity make rotor rapidly speed-raising also just can make magnetic energy and the electric energy can be by the energy storage of inertia energy storage dish.The present invention is powered to motor by battery, and motor is by the power output shaft of energy storage transducing head driving deceleration device output, and simultaneously, the energy storage transducing head is in the energy storage state.When motor stopped operating, the energy storage transducing head still can drive the deceleration device rotation and make power output shaft be in operating condition, when starting opportunity once more, just can reduce the motor instantaneous peak current greatly.
Inertia energy storage dish among the present invention can be that a kind of return spring by a disk body, polylith reducing slide block and respective numbers is formed; Disk body evenly is separated into a plurality of radially cells, and each radially is provided with a reducing slide block in the cell, and the reducing slide block connects with a termination of return spring, and the other end of return spring connects firmly on the excircle of mono-directional overrun clutch.
The present invention can utilize energy storage energy and anti-wave force ability needs according to the commutation angle position needs of different motor pole numbers and rotor different slots number and permanent magnet energy level value and electric energy, designs the magnetic energy level of the permanent magnet that is arranged on the electric machine casing inner periphery and permanent magnet and the reducing position of energy storage transducing head and quality and quantity and the speed reducing ratio and the step of reduction of reducing slide block are set.Among the present invention, the many groups permanent magnet that is arranged on the electric machine casing inner peripheral surface can have two groups, four groups, six groups eight groups, every group of permanent magnet can by two, three, four or six pieces watts of shape permanent magnets form.Said reducing slide block can have three, four, five, six ... nine compositions.
As mentioned above, because the present invention disposes energy storage transducing head and deceleration device, and to motor stator and rotor structure particularly permanent magnet made new design, visible the present invention has major advantage as described below: 1, can the little current start of low-voltage and can have equal moment of torsion; 2, change in voltage is big, and adaptability is strong, when rated operational voltage is 60V, 72V, 96V, 120V, 240V, 360V, 480V, 560V, equally can little current start when less than 24V, and have equal moment of torsion; 3, zero blocking-free start instantaneous peak current is little, and its instantaneous peak current is in motor allows the working current value scope of maximum power; 4, energy accumulation of energy energy storage during the motor idling, and can under motor stop, discharging the idle work of kinetic energy by the energy storage transducing head, when the energy storage dish is discharged into limit kinetic energy, by controller control motor auto idle speed operation accumulation of energy energy storage work; 5, magneto-electric energy, hold that energy storage, mechanical energy make a concerted effort to do work that energy is big, saving energy, efficient height, exert oneself big, temperature is low, temperature rise is less than 100 ℃; 6, anti-fluctuation ability is strong, can satisfy the special applications power source requirement of pure electric automobile basically; 7, to the cell panel performance not injury basically of existing storage battery.
Description of drawings
Fig. 1 is the forward cross-sectional schematic of one embodiment of the invention.
Fig. 2 is the B-B schematic cross-section of Fig. 1.
Fig. 3 is the A-A schematic cross-section of Fig. 1.
Embodiment
A preferred embodiment of the present invention as shown in drawings.Below in conjunction with the accompanying drawing illustrated embodiment the present invention is specified:
By Fig. 1 finding, the present invention includes electric machine casing 11, main shaft 9, be embedded with the rotor 10 of winding and be arranged on permanent magnet 12 on housing 11 inner peripherys, the present invention also comprises a reversing arrangement 15, energy storage transducing head 5 and deceleration device 3.As seen from the figure, reversing arrangement 15 is packed on the termination of electric machine main shaft 9, and its hanging feet and winding coil head are affixed, and end face is meshed with brush 14.Please consult Fig. 2 simultaneously, energy storage transducing head 5 includes an inertia energy storage dish 6 and a mono-directional overrun clutch 7, this mono-directional overrun clutch 7 is packed in the other end of electric machine main shaft 9, said inertia energy storage dish 6 is packed on the excircle of this mono-directional overrun clutch 7, also is provided with a driving gear 4 on this transducing head 5.As seen from Figure 2, in the present embodiment, inertia energy storage dish 6 is that a kind of return spring 18 by a disk body 16, polylith reducing slide block 17 and respective numbers is formed; Disk body 16 evenly is separated into a plurality of radially cells 19, and each radially is provided with a reducing slide block 17 in the cell 19, and reducing slide block 17 connects with a termination of return spring 18, and the other end of return spring 18 connects firmly on the excircle of mono-directional overrun clutch 7.See that by Fig. 1 deceleration device 3 is located at the side of transducing head 5, and be meshed with driving gear 4 that the output of this deceleration device 3 is established a power output shaft 1 with its reduction gearing.Please consult Fig. 3 simultaneously, in the present embodiment, the permanent magnet 12 that is arranged on electric machine casing 11 inner peripheral surfaces has four groups (can be two groups, six groups or eight groups in other embodiments), every group of permanent magnet 12 is made up of (in other embodiments watt shape permanent magnet of two same polarity, every group of permanent magnet can be made up of three, four of same polarity or six pieces watts of shape permanent magnets), on the end face of same position, organizing four groups more permanent magnet with the N.S interpolar every arrangement.Number in the figure 2,8,13 is represented in front end housing and the motor respectively, rear end cap.

Claims (4)

1, a kind of electric drive of automobile includes electric machine casing, main shaft, is embedded with the rotor of winding and is arranged on permanent magnet on the casing inner periphery, it is characterized in that: also comprise a reversing arrangement, energy storage transducing head and deceleration device;
The said reversing arrangement of A is packed on the termination of electric machine main shaft, and its hanging feet and winding coil head are affixed, and end face is meshed with brush;
The said transducing head of B, include an inertia energy storage dish and a mono-directional overrun clutch, this mono-directional overrun clutch is packed in the other end of electric machine main shaft, and said inertia energy storage dish is packed on the excircle of this mono-directional overrun clutch, also is provided with a driving gear on this transducing head;
The said deceleration device of C is located at the side of transducing head, and is meshed with driving gear with its reduction gearing, and the output of this deceleration device is established a power output shaft;
D is arranged on that permanent magnet on the electric machine casing inner peripheral surface is many groups, polylith homopolar combination is arranged, and every permanent magnet is a watt body, and every group polylith permanent magnetism is homopolar combination on the end face of same position, organize more permanent magnet with the N.S interpolar every arrangement; Be packed on the outer peripheral edges of the rotor on the electric machine main shaft, by the line embedding groove that axially has with the multiple tracks quantity of permanent magnet coupling, its built-in with the circulation winding coil of permanent magnet coupling.
2, according to the described electric drive of automobile of claim 1, it is characterized in that: said inertia energy storage dish is made up of the return spring of a disk body, polylith reducing slide block and respective numbers; Disk body evenly is separated into a plurality of radially cells, and each radially is provided with a reducing slide block in the cell, and the reducing slide block connects with a termination of return spring, and the other end of return spring connects firmly on the excircle of mono-directional overrun clutch.
3, according to claim 1 or 2 described electric drive of automobile, it is characterized in that: the many groups permanent magnet that is arranged on the electric machine casing inner peripheral surface can have two groups, four groups, six groups eight groups, every group of permanent magnet can by two, three, four or six pieces watts of shape permanent magnets form.
4 according to claim 1 or 2 described electric drive of automobile, and it is characterized in that: said reducing slide block can have three, four, five, six ... nine compositions.
CNA2009100510323A 2009-05-12 2009-05-12 Pure electric driver for automobile Pending CN101552525A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2009100510323A CN101552525A (en) 2009-05-12 2009-05-12 Pure electric driver for automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2009100510323A CN101552525A (en) 2009-05-12 2009-05-12 Pure electric driver for automobile

Publications (1)

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CN101552525A true CN101552525A (en) 2009-10-07

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102189939A (en) * 2010-03-16 2011-09-21 卢国骥 Energy-saving power device of electric vehicle
CN103534907A (en) * 2011-03-10 2014-01-22 布罗泽汽车部件制造哈尔施塔特有限公司 Driving device having an actively supported drive shaft
CN114050679A (en) * 2022-01-12 2022-02-15 深圳市威安士电锁有限公司 Special motor using motor lock

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102189939A (en) * 2010-03-16 2011-09-21 卢国骥 Energy-saving power device of electric vehicle
CN102189939B (en) * 2010-03-16 2014-07-02 卢国骥 Energy-saving power device of electric vehicle
CN103534907A (en) * 2011-03-10 2014-01-22 布罗泽汽车部件制造哈尔施塔特有限公司 Driving device having an actively supported drive shaft
US9103370B2 (en) 2011-03-10 2015-08-11 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Hallstadt Driving device having an actively supported drive shaft
CN103534907B (en) * 2011-03-10 2016-08-24 布罗泽汽车部件制造哈尔施塔特有限公司 There is the driving means of the actively drive shaft of supporting
CN114050679A (en) * 2022-01-12 2022-02-15 深圳市威安士电锁有限公司 Special motor using motor lock
CN114050679B (en) * 2022-01-12 2022-03-18 深圳市威安士电锁有限公司 Special motor using motor lock

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Addressee: Yang Yongming

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Open date: 20091007