CN102152745A - Magnetic suspension electric automobile - Google Patents
Magnetic suspension electric automobile Download PDFInfo
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- CN102152745A CN102152745A CN 201110085476 CN201110085476A CN102152745A CN 102152745 A CN102152745 A CN 102152745A CN 201110085476 CN201110085476 CN 201110085476 CN 201110085476 A CN201110085476 A CN 201110085476A CN 102152745 A CN102152745 A CN 102152745A
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- magnetic suspension
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- speed clutch
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Abstract
The invention discloses a magnetic suspension electric automobile which comprises a rear wheel magnetic suspension bearing driving system, a front wheel magnetic suspension bearing system and a detection control system, wherein the rear wheel magnetic suspension bearing driving system comprises an axial magnetic suspension rear differential (1), a power magnetic suspension bearing (2), a rear speed governing clutch, a rear semiaxis and a rear wheel; the front wheel magnetic suspension bearing system comprises an axial magnetic suspension front differential (6), a radical magnetic suspension bearing (7), a front speed governing clutch, a front semiaxis and a front wheel; the detection control system comprises a controller (8) and a sensor. The magnetic suspension electric automobile realizes no friction and no abrasion bearing between the semiaxis and the frame, and directly drives the semiaxis to rotate so as to drive the wheels through an electromagnetic torque, shortens a transmission chain, and improves the drive efficiency; therefore, the energy consumption is obviously reduced, and the power property of the electric automobile is improved.
Description
Technical field
The present invention relates to a kind of electronlmobil, particularly, relate to a kind of magnetic suspension electronlmobil.
Background technology
Follow development of global economy, the consumption of petroleum amount increases day by day, and oil is just becoming in short supply day by day as non-renewable resources.The main vehicle of conduct in the city, for example mass transportation facilities, hackney vehicle and private vehicle etc. move in circles and travel in the city, it has not only consumed a large amount of petroleum-based energys, and a large amount of uses of oil, give off a large amount of pernicious gases, cause serious environmental to pollute, be harmful to the healthy of people.If these bad problems of untimely solution, bring invisible harm then can for city dweller's work, study, life, be an impediment to the sound development of city material progress, so electronlmobil is subject to people's attention more and more as the alternative transportation means of fuel-engined vehicle.
But with regard to traditional electric automobile, its drive system is applied mechanically the drive system of fuel-engined vehicle more, i.e. propulsion source outputting power, power arrive walking terminal (being wheel) successively through power-transfer clutch, retarder, diff.This kind drive system, for present accumulator capacity electronlmobil less than normal, the transmission of power of so many link has reduced the conversion efficiency of electric car electric energy to mechanical energy.
In view of the above-mentioned defective of prior art, need provide a kind of later-model electronlmobil.
Summary of the invention
The purpose of this invention is to provide a kind of later-model magnetic suspension electronlmobil, to overcome the problems referred to above of prior art, this magnetic suspension electronlmobil can improve the conversion efficiency of electric car electric energy to mechanical energy, thereby cuts down the consumption of energy, and improves the tractive performance of electronlmobil.
Above-mentioned purpose is achieved through the following technical solutions: the magnetic suspension electronlmobil, comprise trailing wheel magnetic suspension bearing drive system, front-wheel magnetic suspension bearing system and detect control system, described trailing wheel magnetic suspension bearing drive system comprises diff behind the axial magnetic suspension, power magnetic suspension bearing, back variable-speed clutch, half-rear axle and is fixed in the rear wheel of this half-rear axle that the diff bilateral symmetry is furnished with described power magnetic suspension bearing, back variable-speed clutch, half-rear axle and rear wheel behind the wherein said axial magnetic suspension; Described front-wheel magnetic suspension bearing system comprises diff, radial magnetic bearing, preceding variable-speed clutch, half front axle before the axial magnetic suspension and is fixed in the front vehicle wheel of this half front axle, before the wherein said axial magnetic suspension diff both sides respectively symmetric arrangement described radial magnetic bearing, preceding variable-speed clutch, half front axle and front vehicle wheel are arranged; Described detection control system comprises controller and sensor, described controller comprises dynamo-electric tuning controller and suspension driving governor, and is connected in diff before diff behind the described axial magnetic suspension, the axial magnetic suspension, power magnetic suspension bearing, radial magnetic bearing, back variable-speed clutch and preceding variable-speed clutch by circuit; The stator of described radial magnetic bearing and power magnetic suspension bearing all is fixed on the vehicle frame of described electronlmobil, described half front axle passes the rotor center of corresponding described preceding variable-speed clutch and described radial magnetic bearing, and be fixed in the rotor of this preceding variable-speed clutch and radial magnetic bearing, described half-rear axle passes the rotor center of corresponding described back variable-speed clutch and described power magnetic suspension bearing, and is fixed in the rotor of this back variable-speed clutch and power magnetic suspension bearing.
By technique scheme, magnetic suspension electronlmobil of the present invention utilizes magnetic suspension and motor technology with vehicle body suspension, make the forward and backward semiaxis of front and back wheel not have friction, do not have wearing and tearing ground supporting vehicle body, and driving half-rear axle rotating band motor-car wheel travels along ground surface.And the effect of variable-speed clutch is that electronic vapour is static at car, startup, slow astern, deceleration or braking, and realizes direct friction supporting vehicle body during low cruise, and can be by the friction force size of decelerator pedal control supporting, with the running velocity of Control of Automobile.The stator of described power magnetic suspension bearing is fixed on the vehicle frame, and half-rear axle passes its centre of rotor and rotor is fixed, and produces the magnetic suspension force of supporting vehicle body and the electromagnetic torque of driving electronlmobil operation under closed loop control system control.The stator of described radial magnetic bearing is fixed on the vehicle frame, and half front axle passes its centre of rotor and this rotor is fixed, and produces the vehicle body of magnetic suspension force suspension supporting electronlmobil under closed loop control system control.Magnetic suspension electronlmobil of the present invention has been realized realizing not having friction between semiaxis and the vehicle frame, not having the wearing and tearing supporting by magnetic levitation technology, and pass through the rotation of electromagnetic torque direct drive semiaxis to drive wheel, shortened messenger chain, improved drive efficiency, thereby reduced energy consumption significantly, improved the tractive performance of electronlmobil.
Description of drawings
Fig. 1 is the principle schematic of the magnetic suspension electronlmobil of the specific embodiment of the invention.
Among the figure: diff behind 1 axial magnetic suspension; 2 power magnetic suspension bearings; 3 variable-speed clutches; 4 semiaxis; 5 wheels; Diff before the 6 axis magnetic suspension; 7 radial magnetic bearings; 8 controllers; 9 suspension driving governors; 10 dynamo-electric tuning controllers.
The specific embodiment
The specific embodiment of magnetic suspension electronlmobil of the present invention is described below in conjunction with accompanying drawing.
Magnetic suspension electronlmobil of the present invention mainly utilizes magnetic suspension and bearing-free motor technology with vehicle body suspension, make that the semiaxis of fixing vehicle wheel does not have friction, do not have wearing and tearing ground supporting vehicle body, and the jack shaft rotation is travelled along ground surface to drive wheel.
As shown in Figure 1, described magnetic suspension electronlmobil comprises trailing wheel magnetic suspension bearing drive system, front-wheel magnetic suspension bearing system and detects control system.Described trailing wheel magnetic suspension bearing drive system comprises that diff 1 behind the axial magnetic suspension, power magnetic suspension bearing 2(are bearing-free motor), back variable-speed clutch 3, half-rear axle 4 and be fixed in the rear wheel 5 of this half-rear axle, diff 1 bilateral symmetry is furnished with described power magnetic suspension bearing 2, back variable-speed clutch 3, half-rear axle 4 and rear wheel 5 behind the wherein said axial magnetic suspension; Described front-wheel magnetic suspension bearing system comprises diff 6 before the axial magnetic suspension, radial magnetic bearing 7, preceding variable-speed clutch 3, half front axle 4 and be fixed in the front vehicle wheel 5 of this half front axle, diff 6 bilateral symmetry are furnished with described radial magnetic bearing 7, preceding variable-speed clutch 3, half front axle 4 and front vehicle wheel 5 before the wherein said axial magnetic suspension; Described detection control system comprises controller 8 and sensor, described controller 8 comprises dynamo-electric tuning controller 10 and suspension driving governor 9, and is connected in diff 6 before diff 1 behind the described axial magnetic suspension, the axial magnetic suspension, power magnetic suspension bearing 2, radial magnetic bearing 7, back variable-speed clutch 3 and preceding variable-speed clutch 3 by circuit; The stator of wherein said radial magnetic bearing 7 and power magnetic suspension bearing 2 all is fixed on the vehicle frame of described electronlmobil, described half front axle passes the rotor center of corresponding described preceding variable-speed clutch 3 and described radial magnetic bearing 7, and be fixed in the rotor of this preceding variable-speed clutch and radial magnetic bearing 7, described half-rear axle passes the rotor center of corresponding described back variable-speed clutch and described power magnetic suspension bearing 2, and is fixed in the rotor of this back variable-speed clutch and power magnetic suspension bearing 2.
About the technology of radial magnetic bearing 7 and power magnetic suspension bearing comparative maturity, it mainly comprises stator and rotor, wherein, power magnetic suspension bearing 2(is a bearing-free motor) mainly be similarity according to magnetic bearing and motor generation electromagnetic force principle, the winding that produces diametral load in the magnetic bearing is installed on the motor stator, realizes the independent of motor torque and radial suspension force controlled by decoupling zero control.Radial magnetic bearing mainly is to utilize magnetic action that rotor is suspended in the air, and making between rotor and the stator does not have mechanical contact.Its principle is that line of magnetic induction becomes vertical with the magnetic flotation line, the axle core is parallel with the magnetic flotation line, so the weight of rotor just is fixed on the track of running, utilizing almost is that non-loaded axle core is shored toward anti-magnetic flotation line direction, it is unsettled to form whole rotor, on fixing running track.
The function of the forward and backward diff 1,6 of described axial magnetic suspension has two: the one, and under the control of closed loop control system, make the semiaxis (wheel) of 1,6 liang of sideway swivel of diff realize the differential rotation according to the direction control command; The 2nd, produce semiaxis (wheel) axial suspension and location that axial magnetic suspension power makes the diff both sides, prevent that semiaxis (wheel) from axially jumping.The function of described radial magnetic bearing 7 is under the control of closed loop control system, produces axial magnetic power, and the front-wheel semiaxis is suspended in the center of magnetic suspension bearing, and then makes and realize not having friction between body support and the front-wheel semiaxis, do not have wearing and tearing and support.Described power magnetic suspension bearing 2(or bearing-free motor) have magnetic suspension bearing supporting and electric motor driven two kinds of functions.It both can produce axial magnetic power makes semiaxis be suspended in the magnetic suspension bearing center, make and realize not having friction between rotation semiaxis and the body support, do not have the wearing and tearing supporting, produce electromagnetic torque direct drive semiaxis rotating band motor-car wheel again along ground surface, shortened messenger chain, improved drive efficiency.The effect of described forward and backward variable-speed clutch 3 is that electronic vapour is static at car, startup, slow astern, deceleration or braking, and realize direct friction supporting vehicle body during low cruise, and can be by the friction force size of decelerator pedal control supporting, with the running velocity of Control of Automobile.
The working process of electronlmobil is as follows: when electronlmobil is static when not working, the variable-speed clutch 3 on the front and back semiaxis 4 is in the state of friction supporting and braking semiaxis.When electronlmobil startup or slow astern, under closed loop control system (being controller 8) effect, radial magnetic bearing 7 produces axial magnetic power, power magnetic suspension bearing 2(bearing-free motor) not only produces axial magnetic power but also produce electromagnetic torque, the forward and backward diff 1 of described magnetic suspension, 6 produce axial suspension power, by slowly unclamping the variable-speed clutch that decelerator pedal is controlled forward and backward wheel, the trailing wheel semiaxis slowly quickens rotation under the electromagnetic torque effect, drives electronlmobil and travels at a slow speed.When electronlmobil needs suspension operation (normally operation or high-speed cruising), make the low speed variable-speed clutch rotor on the front and back wheel semiaxis be in free state by gear-change operation, the contact friction supporting is switched to the frictionless magnetic suspension bearing, by radial magnetic bearing 7 and power magnetic suspension bearing 2(bearing-free motor) semiaxis before and after the axial magnetic power supporting that produces, make the electronlmobil vehicle body be in suspended state.When automobile is in the suspension operation state, send command signal by acceleration pedal, by closed loop control system control power magnetic suspension bearing 2(bearing-free motor) drive the rotation of half-rear axle speedup, the electronlmobil speedup is travelled; When automobile is in the suspension operation state, send command signal by decelerator pedal, drive trailing wheel semiaxis deceleration rotation by closed loop control system control power magnetic suspension bearing (or bearing-free motor), make the electronlmobil Reduced Speed Now.When the electronlmobil turning driving, under the control of closed loop control system, according to the direction control command power magnetic suspension bearing (bearing-free motor) differential of magnetic suspension diff both sides is rotated, jack shaft (wheel) realizes that the differential rotation is to reach the purpose of automobile turning.
By last description obviously as seen, magnetic suspension electronlmobil of the present invention utilizes magnetic suspension and motor technology with vehicle body suspension, make the forward and backward semiaxis 4 of front and back wheel not have friction, do not have wearing and tearing ground supporting vehicle body, and driving half-rear axle rotating band motor-car wheel travels along ground surface.And the effect of variable-speed clutch 3 is that electronic vapour is static at car, startup, slow astern, deceleration or braking, and realizes direct friction supporting vehicle body during low cruise, and can be by the friction force size of decelerator pedal control supporting, with the running velocity of Control of Automobile.The stator of described power magnetic suspension bearing 2 is fixed on the vehicle frame, and half-rear axle passes its centre of rotor and rotor is fixed, and produces the magnetic suspension force of supporting vehicle body and the electromagnetic torque of driving electronlmobil operation under closed loop control system control.The stator of described radial magnetic bearing is fixed on the vehicle frame, and half front axle passes its centre of rotor and this rotor is fixed, and produces the vehicle body of magnetic suspension force suspension supporting electronlmobil under closed loop control system control.
Each concrete technical characterictic described in the above-mentioned specific embodiment can carry out combination in any by any suitable manner, and it falls within the scope disclosed in this invention equally.Simultaneously, also can carry out combination in any between the various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.In addition, the present invention is not limited to the detail in the above-mentioned embodiment, in technical conceive scope of the present invention, can carry out multiple simple variant to technical scheme of the present invention, and these simple variant all belong to protection scope of the present invention.Protection scope of the present invention is defined by the claims.
Claims (1)
1. magnetic suspension electronlmobil, it is characterized in that, comprise trailing wheel magnetic suspension bearing drive system, front-wheel magnetic suspension bearing system and detect control system, described trailing wheel magnetic suspension bearing drive system comprises diff (1) behind the axial magnetic suspension, power magnetic suspension bearing (2), back variable-speed clutch, half-rear axle and is fixed in the rear wheel of this half-rear axle that diff behind the wherein said axial magnetic suspension (1) bilateral symmetry is furnished with described power magnetic suspension bearing (2), back variable-speed clutch, half-rear axle and rear wheel; Described front-wheel magnetic suspension bearing system comprises diff (6), radial magnetic bearing (7), preceding variable-speed clutch, half front axle before the axial magnetic suspension and is fixed in the front vehicle wheel of this half front axle, before the wherein said axial magnetic suspension diff (6) both sides respectively symmetric arrangement described radial magnetic bearing (7), preceding variable-speed clutch, half front axle and front vehicle wheel are arranged; Described detection control system comprises controller (8) and sensor, described controller (8) comprises dynamo-electric tuning controller (10) and suspension driving governor (9), and is connected in diff (6) before diff (1) behind the described axial magnetic suspension, the axial magnetic suspension, power magnetic suspension bearing (2), radial magnetic bearing (7), back variable-speed clutch and preceding variable-speed clutch by circuit; The stator of described radial magnetic bearing (7) and power magnetic suspension bearing (2) all is fixed on the vehicle frame of described electronlmobil, described half front axle passes the rotor center of corresponding described preceding variable-speed clutch and described radial magnetic bearing (7), and be fixed in the rotor of this preceding variable-speed clutch and radial magnetic bearing (7), described half-rear axle passes the rotor center of corresponding described back variable-speed clutch and described power magnetic suspension bearing (2), and is fixed in the rotor of this back variable-speed clutch and power magnetic suspension bearing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110085476 CN102152745A (en) | 2011-04-07 | 2011-04-07 | Magnetic suspension electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110085476 CN102152745A (en) | 2011-04-07 | 2011-04-07 | Magnetic suspension electric automobile |
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| Publication Number | Publication Date |
|---|---|
| CN102152745A true CN102152745A (en) | 2011-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110085476 Pending CN102152745A (en) | 2011-04-07 | 2011-04-07 | Magnetic suspension electric automobile |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144530A (en) * | 2011-12-07 | 2013-06-12 | 北汽福田汽车股份有限公司 | Electric vehicle |
| CN108973528A (en) * | 2018-07-06 | 2018-12-11 | 山东交通学院 | A kind of wheel shaft magnetic suspension drive type electric automobile |
| CN112524156A (en) * | 2020-11-30 | 2021-03-19 | 奇瑞汽车股份有限公司 | Fixing support for automobile driving shaft |
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| CN1663830A (en) * | 2005-03-11 | 2005-09-07 | 大连理工大学 | Parallel connection type hybrid power system |
| CN1863690A (en) * | 2003-09-27 | 2006-11-15 | Zf腓德烈斯哈芬股份公司 | Drive train of an all-wheel drive vehicle comprising clutches and method for controlling and regulating a drive train |
| CN1937390A (en) * | 2005-09-19 | 2007-03-28 | 陈翮 | Magnetic suspension bearing and magnetic-suspension automobile |
| CN200995607Y (en) * | 2007-01-22 | 2007-12-26 | 张培法 | Electric-car bridge integrated with motor gearbox |
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| CN201534484U (en) * | 2009-11-25 | 2010-07-28 | 金龙联合汽车工业（苏州）有限公司 | Double-clutch motor floated coaxial parallel hybrid power system |
| CN202053908U (en) * | 2011-04-07 | 2011-11-30 | 扬州大学 | Magnetic suspension supporting driving system for electric automobile |
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- 2011-04-07 CN CN 201110085476 patent/CN102152745A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1863690A (en) * | 2003-09-27 | 2006-11-15 | Zf腓德烈斯哈芬股份公司 | Drive train of an all-wheel drive vehicle comprising clutches and method for controlling and regulating a drive train |
| CN1663830A (en) * | 2005-03-11 | 2005-09-07 | 大连理工大学 | Parallel connection type hybrid power system |
| CN1937390A (en) * | 2005-09-19 | 2007-03-28 | 陈翮 | Magnetic suspension bearing and magnetic-suspension automobile |
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| CN101364755A (en) * | 2007-08-09 | 2009-02-11 | 刘新广 | Novel electric vehicle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144530A (en) * | 2011-12-07 | 2013-06-12 | 北汽福田汽车股份有限公司 | Electric vehicle |
| CN103144530B (en) * | 2011-12-07 | 2015-10-28 | 北汽福田汽车股份有限公司 | Electronlmobil |
| CN108973528A (en) * | 2018-07-06 | 2018-12-11 | 山东交通学院 | A kind of wheel shaft magnetic suspension drive type electric automobile |
| CN112524156A (en) * | 2020-11-30 | 2021-03-19 | 奇瑞汽车股份有限公司 | Fixing support for automobile driving shaft |
| CN112524156B (en) * | 2020-11-30 | 2022-02-01 | 奇瑞汽车股份有限公司 | Fixing support for automobile driving shaft |
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Application publication date: 20110817 |