CN204452773U - The battery-driven car that a kind of wheel rim controls - Google Patents

Abstract

The utility model discloses the battery-driven car that a kind of electric wheel ring controls, comprise power supply modulator, drive actuation means, vehicle frame, battery pack and at least one wheel; At least one wheel of described battery-driven car arranges electric device; Electric device comprises stator unit and permanent magnet rotor unit; Rotor unit at least arranges 1 on the wheel rim of wheel; Stator unit at least arranges one at vehicle frame fixed position and air gap relative to the cycle of rotor unit is not more than 90mm; Described battery pack comprises primary battery or secondary battery, or both combine setting; Electric energy supplementary device can be installed additional during described battery-driven car configuration secondary battery.The utility model structure is simple, combination is diversified, cost is low, adapts to the designing requirement of high-end energy-saving electric vehicle.

Description

The battery-driven car that a kind of wheel rim controls

Technical field

The utility model relates to battery-driven car and mains power design field thereof, is specifically related to battery-driven car and driving, braking and increasing Cheng Fangfa that a kind of electric device is arranged at wheel rim.

Background technology

The market maintenance of current China Electrical Bicycle has reached more than 1.5 hundred million, and electro-tricycle recoverable amount exceedes 1,000 ten thousand, and region is swift and violent with electric four-wheel vehicle development.

The general adapted of market battery-driven car be permanent magnet brushless electromotor, accessory industrial chain is ripe, at present just from universal to Specialty Design future development.Electrical Bicycle market mainstream adapted be hub-type motor, industry generally believes that hub-type motor technology is full-fledged, and main competition concentrates on the control of material and human cost.For electric machine control, in recent years market oneself generally apply PWQ technology to control the rotating speed of motor, the i.e. pulse pattern of variable duty ratio, controlled by its turn-on and turn-off to quartz conductor electrical device, make mouth obtain the identical and pulse that width is not identical of a series of amplitude, replace sinusoidal waveform or the waveform needed for other with these pulses.

In recent years, domestic and international colleague also attempts to develop at wheel along the battery-driven car arranging electric device, this way of thinking happens since time immemorial, ancient Chinese generally uses waterwheel, its principle of work not arranges rotating power machine at the wheel shaft of waterwheel, but giving one glass of water (a potential energy) along the tangential direction of water wheel page in the suitable time, the whereabouts potential energy of this glass of water is transformed into the power that waterwheel rotates around axle center.But, when this waterwheel model is moved to electric automobiles, do not obtain succeeding in developing of expection.Such as, on market a kind ofly establish tooth in wheel rim outer rim and the Electrical Bicycle of output shaft band tooth electrical motor is installed, by the axle outputting power of gear transmission electrical motor, though this kind of design has new meaning, but power owing to adopting the electrical motor of traditional design and the power of usual manner, its energy conversion efficiency and hub-type electric machinery together, and arrange in wheel rim outer rim the restriction that electrical motor can be subject to power.

Mileages of continuation is short is the weakness of present stage battery-driven car, industry generally believes before high energy battery enters commercialization, mileages of continuation by increasing number of batteries lifting battery-driven car is unrealistic, therefore automotive market main flow is development oil, electric double source hybrid vehicle at present, its design philosophy is: the power using electrical motor when vehicle starting or low speed, automobile is transformed to when reaching certain speed threshold and uses the power of combustion engine, thus reduce automobile start to walk or low speed time the exhaust pollution that not exclusively causes at combustion in IC engine because of fuel oil; Its technical foundation architectural feature is: Fuel Tank provides fuel outputting power to internal combustion engine system; The parallel electric motor system increasing a set of electrical connection battery pack on this traditional design basis, electrical motor provides electric energy outputting power by battery pack; Two-way power by oil, electric power conversion device shares machine driven system, by the transmission of power of combustion engine or electrical motor on wheel hub, the design of this kind of double-source dynamic can be referred to as oil, Electronmotive Force parallel system, and its open defect is that cost is high.

Utility model content

The purpose of this utility model is to overcome the design defect that existing battery-driven car is confined to adapted unit type electric motor and current-modulation mode, a kind of electric device is provided to be arranged at the structure of wheel rim, and power supply mode is changed into the technical scheme of sequential break-make control, structure is simple, torque is large, and technique easily realizes.

The battery-driven car that a kind of electric wheel ring that the utility model provides controls, described battery-driven car comprises power supply modulator 1, drives actuation means 9a, vehicle frame 4, battery pack 8 and at least one wheel 5; At least one wheel of described battery-driven car arranges at least a set of electric device; Described electric device comprises stator unit 3a and permanent magnet rotor unit 3b; Described rotor unit 3b at least arranges one on the wheel rim 6 of wheel; When wheel rim being arranged multiple rotor unit, multiple rotor unit arranges around wheel rim interval and pole orientation is identical; Described stator unit 3a at least arranges a fixed position at vehicle frame 4, and the relative air gap 3d of the periodicity that itself and rotor unit are formed is not more than 90mm;

Described power supply modulator 1 comprises power input 1a, sequential current output terminal 1b and driving signal input 1d, the both positive and negative polarity of power input electrical connection battery pack 8, the inside winding of sequential current output terminal electrical connection stator unit, driving signal input electrical connection drives actuation means 9a; Described battery pack 8 comprises disposable primary battery 8a or the secondary battery 8b used that can repeatedly charge, or both combine setting; Described power supply modulator makes stator unit form the direction of electromagnetic pole to stator unit inside winding power, is set to contrary with the magnetic pole that described rotor unit moves in opposite directions; Power supply modulator 1 obtains the instruction of user and corresponding output timing electric current by driving actuation means 9a, makes battery-driven car realize driving.

Preferably, the rating horsepower of described power supply modulator is no more than 20KW.

Preferably, described rotor unit be arranged at wheel rim 6 comprises be arranged at wheel rim inner edge, outer rim or wheel rim inner; Described wheel rim 6 adopts alloy, plastic-steel or other shaped solid material manufactures, and its structure comprises an annulus or the combination of multiple annulus; Multiple annulus is fixed with one by component in the mode of coaxial 7 by the wheel rim that described multiple annulus combines, and comprises integrated design manufacture; Described rotor unit does not limit shape not affecting under the prerequisite being installed on wheel rim; Preferably evenly arrange when multiple rotor unit is installed at wheel rim interval.

Preferably, the material of described rotor unit 3b be magnet steel, nd-fe-b etc. one class well known to a person skilled in the art permanent magnet, himself intrinsic magnetic and pole orientation do not change because of external magnetic field; The set-up mode of described rotor unit on wheel rim 6, comprises N/S the two poles of the earth line to overlap with the coaxial normal 10 of wheel rim/vertical 4 kinds of typical combination states, and line deflection in N/S the two poles of the earth is no more than 18 degree of angles on 4 kinds of typical combination state bases.

Preferably, described stator unit 3a is formed around the magnetic core of magnetic media material by least one group of good conductor loop, described stator unit 3a combines and arranges by connected in series or in parallel between the winding that obtains on vehicle frame 4, or by drawing the multi-thread external loop of centre tap composition between different winding.

Described stator unit is arranged on vehicle frame 4 fixed position near wheel rim 6, comprise the mechanical device be connected with wheel anchor shaft in wheel rim, its combination is arranged to be followed electromagnetic pole direction and rotor unit 3b and to move the contrary fundamental principle of magnetic pole in opposite directions, is preferred with the magnetic flow acquisition of its inner winding energising through air gap 3d maxim.Described stator unit at the set-up mode of vehicle frame fixed position, comprise electromagnetic pole the two poles of the earth line 12 that the energising of inner winding formed vertical with the normal 10 of wheel 5/overlap 4 kinds of typical combination states, the two poles of the earth line comprising electromagnetic pole deflects and is no more than 18 degree of angles; The vehicle frame position symmetry that several stator units arrangement combination is included in wheel rim both sides is installed.

Preferably, described electric device also comprises sensing device, and described sensing device comprises some sensing unit 3c that can respond to described rotor unit 3b and stator unit 3a relative position; Described sensing unit is electrically connected with the transducing signal input end 1c of power supply modulator; Described battery-driven car at least arranges a sensing unit in the inner edge of wheel rim or outer rim.

Preferably, described sensing device also comprises the inside winding of stator unit 3a, and described inner winding comprises around the winding of stator unit magnetic core and by the multi-thread external loop be in series between some stator unit windings.

Preferably, described battery-driven car also comprises electro-magnetic braking device 9b, and described power supply modulator 1 also comprises brake signal input end 1e, its electrical connection electro-magnetic braking device 9b; Described power supply modulator obtains the instruction of user and corresponding output timing electric current by electro-magnetic braking device 9b, realizes brake of electric vehicle.

In the utility model, described driving actuation means 9a can be set to conventional rotating handles formula, plug-type joystick or other any manual control modes, is set to remote control outside comprising.

In the utility model, direct supply is converted to sequential electric current by described power supply modulator, and the stator unit 3a in electric device is energized and power-off with being limited at the time domain periodic of power supply modulator setting.

In the utility model, described battery-driven car comprises a wheel or multiple battery-driven car of taking turns and electronic, autocycle; Described wheel 5, comprises the accurate single-wheel structure of single-wheel hub and coaxial compact installation two wheel hubs.

The vehicle frame of described battery-driven car is any;

Described primary battery 8a and secondary battery 8b combines setting and comprises electricity and be connected in parallel.

Preferably, install electric energy supplementary device 18 additional during described battery-driven car configuration secondary battery 8b, described electric energy supplementary device comprises the arbitrary primary battery 8a of material and control setup combines, or is that internal combustion engine generator and system control device combine, or both combine setting; Electric energy supplementary device is electrically connected secondary battery by logic charging unit 17; Described logic charging unit is independently arranged, or its partial logic function or whole logic function is integrated in power supply modulator 1.Described increasing journey system comprises electric energy supplementary device and logic charging unit.

The control setup of described primary battery 8a at least comprises primary battery starter gear; Described internal combustion engine generator comprises combustion engine and electrical generator, and described system control device at least comprises internal combustion engine start and shutdown feature; The fuel of described combustion engine is any; The combination of described electric energy supplementary device is arranged, comprise primary battery and control setup, internal combustion engine generator and control setup respectively arrange a set of more than.Described logic charging unit at least comprises battery charge controller, and its design also can have the control setup of primary battery concurrently or/and the function of circuit control device of electrical generator.

The invention also discloses a kind of driving method of aforementioned battery-driven car, the method controls vehicle wheel rotation by power supply modulator 1 according to the position relationship output timing drive current of described rotor unit 3a and described stator unit 3b;

Described sequential defines according to rotation of wheel direction, described sequential electric current arranges several make and break periods T according to the useful effect interval of stator unit electromagnetic field on wheel rim in conjunction with the rotor unit number on wheel, and each make and break period T comprises power supply time domain and power-off time domain; Described power supply time domain is positioned at the 30 degree≤θ≤90 degree corresponding time period, and described θ is the rotor unit dynamic angle that the direction of stator unit electromagnetic fields attract power and its normal component is formed suffered by the axle on wheel; Power supply modulator 1 not outgoing current in described power-off time domain.

Preferably, the electric current of described power supply time domain not notch shape, frequency and dutycycle;

Preferably, the magnetic flux density of initial in described energising time domain electric current, voltage or stator unit obtains road speed instantaneous value by sensing device and combines the instruction that drives actuation means 9a to provide and adjust.

Preferably, described method also comprises aligning step; Described aligning step be using stator unit and rotor unit periodically relative, the state (θ is 0) that is in same normal of trapping gap as benchmark coordinate and fiducial time, when each forward of rotor unit is to reference seat timestamp, power supply modulator carries out a time and returns 0 calibration and record this period, by comparing period to reference seat target with rotor unit forward last time, thus know spin cycle time and the speed of a motor vehicle, and control outgoing current.

The invention also discloses the braking method of described battery-driven car, the method, according to described rotor unit convergence stator unit, rotor unit relative with the same normal in stator unit place (θ is 0) and in being in away from state at least one time domain, makes power supply modulator 1 output timing current control wheel braking by manipulation electro-magnetic braking device 9b;

Described sequential defines according to rotation of wheel direction; Described rotor unit convergence stator unit is the 0≤θ≤30 degree corresponding time periods, and described θ is the rotor unit dynamic angle that the direction of stator unit electromagnetic fields attract power and its normal component is formed suffered by the axle on wheel rim.

Preferably, described method also comprises aligning step, and θ is 0 as benchmark coordinate and fiducial time by described aligning step, knows rotor unit convergence/relatively/away from the location status of stator unit by sensing device.

The logical relation of described power supply modulator 1 output driving current/braking current be set to or.

Preferably, described outgoing current rate-determining steps can comprise:

1) actuation means 9a is driven to power supply modulator 1 without when inputting instruction, power supply modulator dormancy;

2) when driving actuation means 9a to provide assisted instruction, the corresponding output timing electric current of power supply modulator 1;

3) when the speed of a motor vehicle or energising frequency reach the threshold value of setting, described power supply modulator power-off.

The one that the invention also discloses described battery-driven car configuration secondary battery increases Cheng Fangfa, the method needs for secondary battery 8b continues electric energy supplement in electric device runs, or when the real-time voltage of secondary battery or remaining capacity value are lower than set threshold values, enable electric energy supplementary device 18 for secondary battery electric energy supplement.

The utility model, for the design feature of electric wheel ring, implants the Technology of NC Programming optimized to electrical source of power, specify that power supply timing cycle and work-based logic thereof are formed, make it to realize efficient electricity-saving.The stator unit of described electric device is connected and can be analogous to the stator of conventional motors on vehicle frame, and described rotor unit and wheel rim combine the rotor that can be analogous to conventional motors; Described battery-driven car can use primary battery, secondary battery or two class battery combination, described primary battery comprises the battery of all disposable electric discharges and various fuel cell, and such as zinc-air battery, aluminium-air cell and hydrogen converting electrical energy etc. can provide the device of disposable electric energy; Described secondary battery is rechargeable battery after comprising all electric discharges, such as lithium cell, lead battery, metal hydrogen storage battery etc.In view of the energy storage density of current battery-driven car market institute adapted secondary battery is lower, the utility model devises the increasing journey system be intended to secondary battery electric energy supplement for this state of the art, effectively solves the short known subject matter of full charge endurance of electromobile.

The utility model has the advantage of: electric wheel ring has the obvious energy-saving effect that sequential power supply control brings, increase journey system and effectively can overcome the short subject matter of full charge endurance of electromobile,, combination variation simple with the electric vehicle structure of this conceptual design, cost are low, effectively adapt to the designing requirement of high-end energy-saving electric vehicle.

Accompanying drawing explanation

Fig. 1 a is a kind of structural representation that rotor unit is arranged at wheel rim for bicycle and electric outer rim.

Fig. 1 b is a kind of structural representation that rotor unit is arranged at wheel rim for bicycle and electric inner edge.

Fig. 2 a is that a kind of pole orientation of rotor unit on wheel rim arranges schematic diagram.

Fig. 2 b is that the another kind of pole orientation of rotor unit on wheel rim arranges schematic diagram.

Fig. 3 a is that stator unit winding two ends line is set to the schematic diagram vertical with wheel normal.

Fig. 3 b is the schematic diagram that stator unit winding two ends line is set to overlap with wheel normal.

Fig. 3 c be stator unit matrix around core top just to the structural representation of wheel rim inner edge.

Fig. 4 a is the Directional Decomposition of electromagnetic force suffered by rotor unit and dynamic angle theta schematic diagram.

Fig. 4 b is that rotor unit is in the view of coaxial normal with stator unit.

Fig. 5 a is the groundwork logical relation schematic diagram of power supply modulator.

Fig. 5 b is a kind of block combiner schematic diagram realizing the digital means logic of power supply modulator.

Fig. 5 c is the work-based logic relation schematic diagram that power supply modulator sets up brake signal input end.

Fig. 6 is the time diagram of power supply modulator outgoing current in periodicity break-make.

Fig. 7 a is a kind of local structure schematic diagram that a stator unit combines 8 rotor units.

Fig. 7 b is a kind of power on/off time domain schematic diagram that wheel rim left-hand revolution is corresponding.

Fig. 7 c is the one energising logical schematic that a stator unit combines 8 rotor units.

Fig. 7 d is a kind of power on/off time domain schematic diagram that wheel rim clickwise is corresponding.

Fig. 8 a is a kind of local structure schematic diagram that a stator unit combines 12 rotor units.

Fig. 8 b is a kind of local structure schematic diagram that two stator units combine 8 rotor units.

Fig. 8 c is a kind of local structure schematic diagram that 12 stator units combine 12 rotor units.

Fig. 9 a is a kind of logic control constructs schematic diagram that increasing journey system is charged to secondary battery.

Fig. 9 b is the another kind of logic control constructs schematic diagram that increasing journey system is charged to secondary battery.

Figure 10 a is that electric two-wheel vehicle installs a kind of local structure schematic diagram increasing journey system additional.

Figure 10 b is that electric four-wheel vehicle installs a kind of local structure schematic diagram increasing journey system additional.

Accompanying drawing identifies:

1, power supply modulator; 1a, DC supply input; 1b, sequential current output terminal; 1c, induced signal input end; 1d, driving signal input; 1e, brake signal input end; 3a, stator unit; 3b, permanent magnet rotor unit; 3c, sensing unit; 3d, air gap; 4, vehicle frame; 5, wheel; 6, wheel rim; 7, wheel shaft; 8, battery pack; 8b, secondary battery; 9a, driving actuation means; 9b, electro-magnetic braking device; 10, coaxial normal; 11, wheel tangent line; 12, winding two extreme direction line; 17, logic charging unit; 18, electric energy supplementary device; The angle of θ, electromagnetic force and its normal component.

Detailed description of the invention

Further the utility model is described in detail below in conjunction with drawings and Examples.

See Fig. 1 a and Fig. 1 b, the utility model is applied to electric two-wheel vehicle, and Fig. 1 a example is the outer rim that rotor unit is arranged on wheel rim, and Fig. 1 b example is the position, inner edge that rotor unit is arranged on wheel rim (wheel hub); Stator unit is formed by good wire wounded core, and good wire uses copper cash or copper facing aluminum core line usually, and under a kind of outside magnetic field effect that magnetic core is known to the skilled person, internal state changes, can produce the magnetic medium of stronger complementary field.

See Fig. 2 a, wheel rim 6 outer rim arranges a rotor unit 3b, and S pole-face is in wheel rim; Stator unit 3a is arranged on the vehicle frame fixed position near wheel rim inner edge, and the N pole-face of its winding energising is to wheel rim, and the air gap 3d that both move relative is enough little, then, during rotor unit convergence stator unit, both magnetic action are attractingly make wheel accelerated movement; In another embodiment, the S polar motion stator unit in opposite directions of rotor unit, extremely against rotation of wheel direction corresponding thereto, both magnetic action are similarly attracting to the N of stator unit winding energising, as shown in Figure 2 b; It is the basic model of electric wheel ring described in the utility model that this stator unit electromagnetic pole and the attracting relation of rotor unit are arranged.

In above-mentioned kinematic model, rotor unit can be analyzed to the normal 10 direction F of corresponding wheel rim by the electromagnetic force F suffered by air gap ₁₀with corresponding tangent line 11 direction F ₁₁, F ₁₀direction and F ₁₁direction formative dynamics angle theta, as shown in fig. 4 a, wherein contributive around axle to rotor unit is F ₁₁.Relevant to the plan of establishment of stator unit between the sphere of action of electromagnetic force suffered by rotor unit 3b, such as single column or I-shape pass through the maxim of air gap around the stator unit electromagnetism line of force of core, corresponding to the two poles of the earth line 12 and its normal 10 vertical (parallel with corresponding tangent line 11) residing for wheel rim of electromagnetic pole, as shown in Figure 3 a; The two poles of the earth line 12 that column or I-shape also can be set to electromagnetic pole around the stator unit of core overlaps with normal residing for it 10, as shown in Figure 3 b, selects when this set-up mode is generally multiple stator unit combination arrangement; For the stator unit of matrix around core, its electromagnetic force is interval to the useful effect of rotor unit, is positioned at matrix around core both upper ends thereof just to the two ends scope of wheel rim 6 inner edge, as shown in Figure 3 c.

At said stator unit electromagnetic field effect in the interval of wheel rim, there is a F and F ₁₁the state particular point overlapped, this particular point shows as F and overlaps around axle tangential direction with rotor unit, with between effective force area of electromagnetic force state description rotor unit, to be in coaxial normal 10 is benchmark (θ is 0 state), θ is ± 90 degree lane place (described ± relative according to the hand of rotation of wheel rim define) corresponding to rotor unit and stator unit trapping gap; When θ is 0, F ₁₀for maxim, F ₁₁be 0, to rotor unit around axle without contribution, as shown in Figure 4 b.F ₁₁and F ₁₀be a pair shifting kinematic variable, its theoretical strong and weak conversion with θ be 45 degree for train spacing point, be with propulsive effort F at the status and appearance of θ > 45 degree ₁₁being main, is with braking force F at the status and appearance of θ < 45 degree ₁₀be main.

The wheel rim actuation techniques scheme of the utility model battery-driven car is: the time domain of corresponding 30 degree of power supply modulator≤θ≤90 degree is powered, all the other time domain power-off; In this power supply time domain, power based on the time domain that the design of economizing on electricity should to be selected in degree even 75 degree, 60 degree≤θ≤90≤θ≤90 degree; The time domain needing to utilize the design of vehicle wheel rotation inertia can to select in degree even 30 degree, 45 degree≤θ≤90≤θ≤90 degree is powered; Due to θ in < 30 degree of states with braking force F ₁₀be main, power supply modulator has lost Design of power saving meaning in θ < 30 degree of state energisings to driving; The current switching time domain that this preferably drives as shown in Figure 6, wherein T ₁for current"on"time, T ₂and T ₀be power-off time, (T ₁+ T ₂+ T ₀) constitute Timing driver current cycle T.The wheel rim braking technology scheme of the utility model battery-driven car is: the corresponding T of power supply modulator ₂and T ₀part time domain or all time domain be set to energising, described T ₂for the time domain of rotor unit around corresponding 0 degree of axle convergence stator unit≤θ≤30 degree, described T ₀for rotor unit is around the corresponding time domain of axle away from stator unit; In like manner, because θ exists considerable tangential electromagnetic force F in > 30 degree of states ₁₁, unhelpful to braking.

Above-mentioned power supply modulator, to the switching electric control of θ state, can approximate transform be that relative time controls, know that θ is from 90 degree to 0 degree, i.e. (T because power supply modulator can be sentenced by timing alignment ₁+ T ₂) time period, as long as setting T ₁with T ₂relative time, be namely equivalent to the switching electric control to θ corresponding state; The time domain energising of such as corresponding 90 degree to 45 degree of control θ, can briefly be set as: at (T ₁+ T ₂) time period initial 1/2 time domain energising, 1/2 time domain power-off afterwards; In like manner, when the time domain energising of corresponding 30 degree to 0 degree of control θ, can briefly be set as: at (T ₁+ T ₂) time period initial 2/3 time domain power-off, afterwards 1/3 time domain energising.(T ₁+ T ₂) time period be an amount relevant to vehicle wheel rotational speed, to determine that θ is that the condition judgement of 90 degree there will be deviation when speed change period, because the corresponding θ of power supply modulator is that 0 degree of state is provided with time calibration, must gives and correcting in time in next cycle.

∠ θ is an association stator unit and the magnetic action hidden variable of the rotor unit plan of establishment, normally use θ be 0 and θ be 90 degree of one foundations showing that state position judges power supply modulator work-based logic as sensing device; θ to be the exact location of 90 degree be one to wheel rim radian, air-gap separation, stator unit around the relevant value of the parameters such as core shape and arrangement thereof, have multiple theoretical model, should through test inhabitant area during specific design.The corresponding work-based logic exporting driving or braking current of power supply modulator can be realized by ordinary tap control path, and CPU also can be adopted to programme in conjunction with power model group circuit realiration, or the special chip adopting large-scale integration circuit technology to manufacture realizes.

Fig. 7 a is the local structure schematic diagram that a stator unit combines 8 rotor units, stator unit wheel swing circle π respectively with 8 rotor unit generation magnetic action, power supply modulator correspondence export sequential electric current be divided into 8 (T ₁+ T ₂+ T ₀) cycle, Fig. 7 b denotes the T that a kind of T of setting is π/8, corresponding wheel rim left-hand revolution direction ₁, T ₂and T ₀schematic frequency domain, Fig. 7 c is the energising logical schematic in one of them cycle.Fig. 8 a is the local structure schematic diagram of corresponding 12 rotor units of stator unit, the stator unit corresponding rotation of wheel cycle respectively with 12 rotor unit generation magnetic action.Rotor unit not arranges The more the better, and it arranges number and is limited to stator unit electromagnetic force useful effect interval on wheel rim, otherwise sequential current cycle can be overlapping.

Moment and the set electric current sequential of power supply modulator startup power supply directly define rotation of wheel direction, when the corresponding described rotor unit of sequential electric current to be positioned at θ be-90 degree to θ be-30 degree state areas between arrange (herein-value interval with θ be 0, to be positioned at θ be 90 degree to relatively aforementioned power supply time domain respective rotor unit is relatively define between the setting area of 30 degree to θ), then the corresponding clockwise direction of wheel rim rotates, Fig. 7 d denote a kind of structure and Fig. 7 b roughly the same, and the corresponding T of wheel rim dextrorotation veer ₁, T ₂and T ₀the signal region of sequential.

Fig. 8 b is the local structure schematic diagram that two stator units combine 8 rotor units, and in the rotation of wheel cycle, power supply modulator will provide 8 cycles for (T for the winding of two stator units respectively ₁+ T ₂+ T ₀) sequential electric current; 4 stator units can be selected further to combine 10 rotor units, 12 stator units combine 12 rotor units (as shown in Figure 8 c), etc.In theory when H stator unit and n rotor unit combine, if the discrete power supply of the winding of power supply modulator to H stator unit, need corresponding design n*H (T ₁+ T ₂+ T ₀) electric current sequential, programming will be very complicated; In the utility system design of multiple stator unit, preferred H stator unit winding electric series combination, or H stator unit winding is divided into some groups of external source modulator, the inside windings in series of such as 4 stator units, tap totally three external electric connection of power supply modulator of line are drawn in the middle of series connection winding, the difference of the differetial-potential that technically these three lines also can be utilized to compare between two, as the signal source that a kind of rotor unit and stator unit relative position differentiate, substitute the independent sensing unit arranged.

Power supply modulator can realize by ordinary tap circuit layout or pulse digit technology, preferred the latter, the fundamental functional modules of the latter generally comprises power converting circuit, the microprocessor of internal memory contain job procedure and signal input and output circuit, the sequential electric current of driver module output is correspondingly controlled by sensing unit 3c feedback signal, Dynamic controlling is carried out to electric device, its work-based logic such as Fig. 5 a shows, and Fig. 5 b is a kind of block combiner schematic diagram realizing the digital means logic of power supply modulator basic function.

The work-based logic transformation directive signal of power supply modulator normally obtains from the sensing unit being connected in vehicle frame, conventional sensing unit uses magnetoelectric induction winding, Hall element or photoelectric encoder etc., when rotor unit moves around axial period, the rate of change that sensing unit can obtain electric current (voltage) feeds back to power supply modulator, and power supply modulator is sentenced according to this induced signal the relative position of knowing rotor unit and correspondingly sent electric current sequential.According to the operating accuracy of sensing unit and reliability requirement, can one or several sensing units be set on vehicle frame, even be deformed into from the mode of said stator unit Multiple coil feedback and use stator unit Double-wire ring around winding feedback mode obtain work-based logic transformation directive signal, now the induced signal input end 1c of power supply modulator is corresponding built-in.

To sum up, described power supply modulator is a logic power on-off system, sequential power cycles/frequency reflects the energization action number of times of unit time internal stator unit to rotor unit, this time sequence frequency remote definition speed of a motor vehicle and energising amplitude required for stator unit or electromagnetic force (coming from power supply modulator to be energized to the winding of stator unit), drive the amplitude of energising larger, unit time internal stator unit energising is larger to the application force of rotor unit, effect number of times is more, and it is faster that its result reflects the speed of a motor vehicle.The time sequence frequency of power supply modulator institute outgoing current, rotates the implicit (T of one-period with wheel rim ₁+ T ₂+ T ₀) sequential effect number of times, energising mean intensity and the speed of a motor vehicle be mutually corresponding all physical quantity relations, therefore after power supply modulator many imposes a condition and enter logic working state, the frequency controlling sequential energising namely controls the speed of a motor vehicle.This manual control speed of a motor vehicle is that power supply modulator can be arranged on the optional position on vehicle frame by driving the input end 1d of actuation means 9a electric connection of power supply modulator to realize.

When battery-driven car needs to set up electromagnetic force brake function, the corresponding brake signal input end 1e set up of power supply modulator is electrically connected with electro-magnetic braking device 9b, as shown in Figure 5 c; The electric current that the function of electro-magnetic braking device exports for controllable power modulator, intensity of current is larger, and electromagnetic braking effect is better.

The utility model battery-driven car has a kind of special state when starting, and is in same normal 10, θ is when being 0, easily occur stall when rotor unit is just in stator unit trapping gap.If battery-driven car is not be designed to power-assist starting, can to the static start-up routine of power supply modulator respective design battery-driven car; A simple example of the static start-up routine of described battery-driven car, when power supply modulator is when setting-up time maxim can not get sensing device feedback signal, send the starting current contrary with normal drive current direction in real time, make at least one rotor unit on wheel rim be subject to the same polarity effect of repelling each other and depart from the state that θ is 0, avoid battery-driven car to start not smoothly.

Stator unit arranges main points on vehicle frame, to make rotor unit with its formation, the necessary relative air gap 3d of magnetic action effectively occur in Periodic Rotating, this air gap is that stator unit transmits the energy channel of electromagnetic force to rotor unit, air gap is more little is more conducive to magnetic energy effect transmission, but the too small easy generation Mechanical Contact of air gap, needs comprehensive rigidity and the machining accuracy of holding material during design.Fig. 1 a is a kind of example that stator unit is arranged on wheel rim outer rim vehicle frame, and stator unit also can be arranged on the fixed position of wheel rim (wheel hub) inner edge as shown in Figure 1 b.

Sensing unit is preferably arranged on position in the trapping gap wheel rim periodically relative with rotor unit, also can be arranged on outside wheel rim, another wheel rim position even can be arranged on to two-wheel car, because two wheel rims always synchronous rotary, the rotating position signal gathered from a wheel can reflect another relative synchronization state of taking turns indirectly.

The conventional control unit of battery-driven car generally comprises the switch control rule of illuminating lamp, turning/function such as brake signal lamp, sound ring, be made up of the source switch of several electrical connection battery pack, such switch can be arranged separately, also correlation function can be implanted power supply modulator system and realize.Drive rheostat that the traditional product of actuation means 9a is a deformation design, that manually easily manipulate or potential device, with technical development in recent years, the special actuation means be much based upon on photosensitive, Hall control principle basis reaches its maturity, this series products is generally designed to conventional rotating handles formula, also can be designed to plug-type joystick or other any manual control modes, comprise remote control.

Battery pack 8 can be arranged on vehicle frame in any way, comprises and uses reserve battery case.Existing market main flow battery-driven car is configuration secondary battery, and because the specific energy of secondary battery is low, lead battery is generally only 40VAh/Kg, and lithium cell is generally 120VAh/Kg, and the course continuation mileage of joining car owes desirable; The advantage of primary battery is that self-discharge is little, specific energy is high, the theoretical specific energy of aluminium-air cell can reach more than 8000VAh/Kg, but the general defect large with internal resistance of this kind of metal electrode primary battery, though its specific energy is high but large current discharging capability is not strong, although its following application prospect is had an optimistic view of by industry, but present stage is the difficult electric device discharge performance demand meeting battery-driven car still, more sane technical scheme uses as the auxiliary energy of battery-driven car.

Battery-driven car described in the utility model, preferably in the technical foundation of configuration secondary battery, increases and arranges electric energy supplementary device 18 and logic charging unit 17, and the usage of trade is referred to as and increases journey system; A radical function of described logic charging unit is the real-time status of monitoring battery pack 8, and is battery pack electric energy supplement under the work-based logic of setting, as illustrated in fig. 9; The real-time status of described battery pack at least comprises real-time voltage or remaining capacity, the nominal operating voltage of the lead battery of such as certain battery-driven car is 48V, its normal working voltage interval is 42.0V to 53.2V, when the threshold voltage that setting lead battery supplements electricity is 47V, as long as the real-time voltage that logic charging unit monitors battery pack drops to 47V, namely start electric energy supplementary device 18 for the supplementary electricity of battery pack.The function that described logic charging monitoring and DC charging control, also partly or entirely can migrate to power supply modulator to realize, shown in Fig. 9 b be a kind of monitor battery pack real-time voltage by power supply modulator 1 and control recharge logic, basic design schematic diagram that DC charging function is completed by logic charging unit 17.The electric energy supplementary device of described increasing journey system, can combine for the arbitrary primary battery of material and DC charging control setup, such as, adopt aluminium-air cell.

Electric energy supplementary device also can combine for Fuel Tank, combustion engine, electrical generator and rectifying device, the combination of such device is relative maturity technology, and described fuel includes but not limited to methyl alcohol, ethanol, gasoline, diesel oil, natural gas, gaseous state or liquified hydrogen etc.; Known in the industry, an important feature of combustion engine is that the state burning when low speed or speed change is insufficient, but operating mode is general all more satisfactory under the invariable power state of constant speed especially high speed, increasing journey systemic-function due to the utility model battery-driven car is only be battery pack electric energy supplement, combustion engine can be arranged on invariable power operating mode, even if the energy source of electric energy supplementary device adopts automotive fuel, the burning and exhausting of fuel is also very low.

Two class electric energy supplementary devices of described increasing journey system, may be combined with in battery-driven car design and use.

Preference described in this specification sheets is only recommendation, and some technical schemes can partly use, and also can add or combine and use other mature technologys.As long as according to the magnetic current energy feature of electric device, by the sequential electric current that can accurately control power supply modulator design, the basic fundamental target of the utility model scheme can be realized.

To the professional person that battery-driven car and motor technology are comparatively understood in depth, be all not difficult on described scheme basis, be out of shape with drawing inferences about other cases from one instance and implement the utility model content.The electric wheel ring basic design of described battery-driven car, increase journey system schema and the distortion of derivative technology is implemented, protection domain of the present utility model all should be put into.

Embodiment 1,

The electric two-wheel vehicle of a kind of front and back two wheel construction, select the vehicle frame 4 shown in Fig. 1 a, girth is selected to be the wheel 5 of 1000mm, electric device is designed to 8 permanent magnet rotor unit 3b on a stator unit 3a and wheel rim 6 and combines, rotor unit is arranged on wheel rim outer rim, and stator unit is arranged on the vehicle frame of trailing wheel inner edge.

Battery pack selects 24V10Ah ferric phosphate lithium cell, is arranged on ad hoc position in vehicle frame.

The length of permanent magnet rotor unit 3b is 20mm, width gets maxim when not affecting wheel rim outer rubber wheel, snugly fit into the outer rim of the wheel rim 6 that titanium aluminium alloy is made, the two poles of the earth line of rotor unit is parallel with wheel rim tangent line, and the S of 8 rotor units is extremely all towards the direction that wheel 5 rotates; Stator unit selects market to be easy to the channel magnet purchased around core material, and spill is processed into the arc corresponding with wheel rim around core bottom; Winding is enclosed by the copper cash wounded core 42 of a diameter 0.55mm and forms, Installation features: stator unit is connected in vehicle frame 4 fixed position of wheel rim 6 outer rim by captive screw, spill be arranged in parallel around the lower curved of core and wheel rim outer rim, air gap 3d is between the two 11mm, and spill is corresponding wheel rim 6 occupy-place 28 degree of mechanical angles around core two ends.

The power input 1a of power supply modulator 1 is electrically connected the both positive and negative polarity of ferric phosphate lithium cell group, Timing driver current output terminal 1b is electrically connected the coil winding of stator unit 3a, induced signal input end 1c is electrically connected sensing unit 3c, and driving signal input 1d electrical connection drives actuation means 9a.Sensing unit 3c is made up of a magnetoelectric induction winding, and sensing unit is connected in the fixed position of wheel rim 6 inner edge near trailing wheel by captive screw.Power supply modulator, to the energising direction of the inner winding of stator unit 3a, is set to N extremely against the direction that wheel 5 rotates.

The maximum speed per hour of setting battery-driven car is about 20km/h and 5.6m/s, and speed limit corresponding wheel 5 spin cycle time got by meter is 180ms, i.e. (the T of corresponding 8 rotor units ₁+ T ₂+ T ₀) timing cycles minimum value T is 22.5ms, setting T ₁: (T ₂+ T ₀) be 1:5, the intensity of current that the corresponding speed limit of power supply modulator exports is 12A when 24V, this current value according to complete vehicle weight, the specified body weight of chaufeur in conjunction with electric device design and through test inhabitant area.

The external driving actuation means 9a of this electric two-wheel vehicle adopts the rotating potentiometer of stepless variable resistance, Conventional hand grips formula, by the Aided design with electronic control circuit, control the intensity of current of power supply modulator 1 output in real time by changing resistance, thus control the speed of a motor vehicle of Electrical Bicycle.The control unit of the illuminating lamp that Electrical Bicycle routine uses, the turning/power on/off such as brake signal lamp, sound ring manipulation, all adopts commercial products supporting.

Power supply modulator adopts pulse digit technology to realize, its nucleus module comprises the driver module of a conventional CPU and design horse power 500W, its work-based logic as shown in Figure 5 b, impulse rate 50KHz, wherein impulse transfer modulate circuit mainly completes and impulse singla is converted to step signal, pulse signal generator mainly produces required impulse singla, secondly through the pulse of differential circuit output spike, then through the negative half period filtering of limiter circuit by spike, remaining positive axis spike, carry out integration with the integrating circuit of integrated transporting discharging composition to add up, add that voltage comparator and control circuit constitute complete step pulse signal, parameter adjustment is carried out to each element of circuit, thus be met the step signal of work-based logic requirement.

The work-based logic that power supply modulator 1 sets is: be designated as benchmark coordinate and fiducial time with stator unit with rotor unit 3b periodicity trapping gap state that is relative, that be in same normal 10 (θ is for 0), when manpower assistant or drive actuation means 9a to provide battery-driven car drive singal and sensing unit 3c perception rotor unit is that moment of 90 degree of positions, (respective rotor unit entered spill initial time relative within the scope of core two ends around axle to θ, be as the criterion with experiment value), power supply modulator starts output T ₁electric current is 6A, T ₁with (T ₂+ T ₀) ratio be 1:5 switching electricity sequential; When wheel rim often rotates one-period (respective rotor unit 8 times around axle to benchmark coordinate), power supply modulator carries out a time and returns 0 calibration and record this period, instantaneous value was known by comparing with period last time, and further work logic is judged: if drive actuation means without input instruction, power supply modulator dormancy; If the instruction driving actuation means to provide accelerates, then power supply modulator is when next cycle respective rotor unit is 90 degree of positions around axle to θ, continues to perform T ₁with (T ₂+ T ₀) ratio is the switching electricity sequential of 1:5, the mean intensity of in real time energising provides by driving actuation means; If drive actuation means to maintain the state of power supply modulator outgoing current close to 12A, the logic state of above-mentioned setting will make the sequential of power supply modulator energising frequency more and more higher, in corresponding wheel each cycle, stator unit gets more and more to the electromagnetic force number of times of rotor unit, and the speed of a motor vehicle is more and more faster; The continuous 4s of intensity of current exported higher than 1/22.5ms or power supply modulator when sequential energising frequency maintains 12A state, the unconditional power-off of power supply modulator and reach the design objective of automatic speed-limiting.

Sensing unit also can be set to multiple, described electric wheel rings by the present embodiment also can the front-wheel of corresponding configuration single wheel cycle or two-wheel car and three-wheel vehicle, and the front-wheel, the trailing wheel that are included in two-wheel car and three-wheel vehicle configure simultaneously.

Embodiment 2,

Electromagnetic force brake function is set up to embodiment 1.

Electro-magnetic braking device 9b is ten grades of rheostats, and the corresponding brake signal input end 1e that sets up of power supply modulator is electrically connected with electro-magnetic braking device, as shown in Figure 5 c.The brake logic of power supply modulator is: when manual control electro-magnetic braking device sends brake signal, and power supply modulator cuts off T ₁corresponding sequential electric current, starts T simultaneously ₂time domain is energized, this T ₂time domain is set as that sensing unit 3c perception rotor unit 3b is the time period of 0 degree of position from 30 degree to θ to θ around axle.The braking current that power supply modulator exports, ten grades of resistance shelves of corresponding electro-magnetic braking device are set to ten grades of intensity, and the intensity of current that setting exports is: chopped-off head 6A, final stage 12A, ten grades of electric currents are on average arranged.

Stator former cellular installation also can change at the vehicle frame position of trailing wheel outer rim the structure being arranged on trailing wheel inner edge.

Embodiment 3,

The brake logic of embodiment 2 is optimized for further: power supply modulator starts T ₂while time domain energising, by T ₀the work-based logic of part time domain is synchronously transformed to energising, this T described ₀numerical value and the (T of part time domain ₁+ T ₂) equal, T ₀energising Startup time is 0 beginning timing with θ; Power supply modulator is at this T ₀the braking current intensity that part time domain exports and T ₂time domain is identical.Embodiment adds rotor unit to be energized away from the time domain of stator unit state, strengthen the electromagnetic braking/braking effect of electric device, the cycle sequential of may correspond to briefly is set as: at (T ₁+ T ₂+ T ₀) in sequential, the T of initial 1/3 ₁time domain power-off, the afterwards (T of 2/3 ₂+ T ₀) time domain energising.。

Stator unit winding is changed into two-wire wounded core by the present embodiment, and a winding is enclosed by the copper cash wounded core 42 of diameter 0.55mm and forms, and powers for power, the sequential current output terminal of electric connection of power supply modulator; Another winding is enclosed by the copper cash wounded core 15 of diameter 0.20mm and forms, and substitutes the independent sensing unit arranged, as the judgment signal source of rotor unit with wheel 5 rotating inner part relative position as sensing loop.

Aforementioned θ is the time period that the braking time domain of 30 ~ 0 degree of positions also can change to 15 ~ 0 degree of positions.

Embodiment 4,

It is 2 that stator unit 3a sets up by embodiment 1 basis, and change into cylindrical around core, number of turns of winding is identical, cylindrical vertical to the corresponding normal of coaxial wheel rim 6 around core two ends line 12 during installation, as shown in Figure 3 a; Wheel rim and rotor unit 3b carry out integrated design manufacture, and its local structure as shown in Figure 8 b.

Two stator unit 3a are arranged on any side of wheel rim on vehicle frame 4, the annular position near wheel rim inner edge 9mm, the mechanical spacing that rotor unit is adjoined in technical requirements and rotation of wheel direction is identical, inner winding electric is connected in series, well-distributed 8 rotor unit generation electromagnetic forces on common and wheel rim in the rotation of wheel cycle; Power supply modulator corresponding rotation of wheel period is 8 (T ₁+ T ₂+ T ₀) sequential.

Drive current time domain described in the present embodiment is defined as the time period that θ is 60 degree of positions from 90 degree to θ.

Two stator units also can be changed into space symmetr on the vehicle frame 4 of wheel rim both sides and install respectively by the present embodiment, and during electricity series connection, the energising magnetic direction of two inner windings of stator unit is identical.

Embodiment 5,

On the basis of embodiment 4,8 are adopted cylindrically to be symmetrical arranged on the vehicle frame 4 of wheel rim 6 inner edge around core stator unit, every side arranges 4 stator units, Installation features: overlap around the normal 10 of core two ends line 12 with wheel rim coaxial residing for stator unit, as shown in Figure 3 b; The Timing driver current output terminal 1b of electric connection of power supply modulator in parallel after the inner windings in series of 4, both sides stator unit, the energising pole orientation of each stator unit winding is identical, and 4, every side stator unit occupy-place miter angle on wheel rim is on average arranged; It is 30 degree of position corresponding time periods that power supply modulator drives power supply time domain to be defined as θ from 90 degree to θ, and corresponding cycle sequential T is briefly set as: at (T ₁+ T ₂+ T ₀) in sequential, the T of initial 1/3 ₁time domain is energized, (the T of 2/3 afterwards ₂+ T ₀) time domain power-off.

Embodiment 6,

Electric device described in embodiment 5 is arranged on simultaneously on two wheels of electric two-wheel vehicle, namely the wheel rim 6 that front-wheel and vehicle frame 4 position corresponding to trailing wheel are provided with 2 × 4 stator unit 3a, front-wheel and trailing wheels is all provided with 8 and carries out with wheel rim the rotor unit 3b that integrated design manufactures, in wheel rim 6 inner edge of front-wheel and trailing wheel, a sensing unit 3c is respectively set, power supply modulator 1 relative set is that two-way electric current exports and is electrically connected the coil winding of front-wheel and trailing wheel stator unit 3a respectively, can obtain the motorized effect of multiplication.

Battery pack uses the plumbous air primary battery of 18V60Ah instead, be arranged on the reserve battery case that surface design has some grooves, the convex rib one_to_one corresponding of the double-deck back rest frame interlayer inside of this surface groove and battery-driven car, makes battery box can embed the interlayer of double-deck back rest frame easily, additional fastener.All the other methods to set up and embodiment 5 are roughly the same.

Embodiment 7,

Embodiment 6 electric device is arranged on the design of front and back two-wheeled simultaneously, is deformed into two electric wheel rings and coaxially installs at crossbeam two ends.Vehicle frame 4 position that two electric wheel rings are corresponding is provided with 2 × 4 stator unit 3a, wheel rim 6 is all provided with 8 and carries out with wheel rim the rotor unit 3b that integrated design manufactures, the vehicle frame of two electric drive wheel wheel rim 6 inner edges is respectively arranged a sensing unit 3c, power supply modulator 1 relative set is that two-way electric current exports and is electrically connected the stator unit 3a of coaxial parallel two-wheeled respectively, can obtain the motorized effect of multiplication equally.

Battery pack selects 18V25Ah zinc-nickel secondary batteries, is arranged on ad hoc position in vehicle frame.

The present embodiment is because two electric wheel rings are in the installation of crossbeam two ends, and during turning driving, two electric wheel rings exist differential, therefore should design speed limit especially, or by the differential program to the built-in turning driving of power supply modulator 1, make turning driving more stable.The present embodiment coaxially installs the technical scheme of two electric wheel rings at crossbeam two ends, can adaptive power design further genralrlization to three-wheel vehicle and four-wheeled as auxiliary power source.

Embodiment 8,

A kind of battery-driven car of accurate single-wheel structure, described accurate single-wheel structure is coaxial compact installation two wheel rims 6 (wheel hub), 8 rotor unit 3b that two all built-in integrated designs of wheel hub manufacture, the stator unit 3a annular of 8 electricity series connection is arranged on the fixed position near two wheel rim 6 middle parts, and power supply modulator is arranged on vehicle frame optional position.

Battery pack selects the parallel combination of the plumbous air primary battery of 18V25Ah zinc-nickel secondary batteries and 18V80Ah, and driving actuation means 9a and electro-magnetic braking device 9b is all outer is set to remote manual control mode.

In the present embodiment, driving power supply time domain to be defined as θ from 90 degree to θ is 70 degree of position corresponding time periods, and it is 0 degree of position corresponding time period that braking power supply time domain is defined as θ from 20 degree to θ.

The accurate single-wheel structure of coaxial compact installation two wheel hubs described in the present embodiment can at the front-wheel of front and back electric motor car with two wheels, trailing wheel, even former and later two be taken turns and are out of shape enforcement further, make battery-driven car travel effect more stable.

Embodiment 9,

Embodiment 1 stator unit 3a spill is changed into around the installation method of core: spill is around the top of core against deflection 5 degree of angles, rotation of wheel direction, and deflection 5 degree of angles, rotor unit 3b corresponding inverse rotation of wheel direction, all the other roughly the same.The present embodiment is because forming the angle of inclination of electromagnetic field after the energising of stator unit Inside coil winding, more meet rotor unit 3b with wheel 5 dynamicmodel that quilt is periodically attracting in pivoting, implementation result is better than embodiment 1.

The present embodiment can install additional further and increase journey system, and with methyl alcohol generator system for electric energy supplementary device 18, generator system is combined by methanol fuel tank, methyl alcohol combustion engine, electrical generator and rectifying device; The logic charging unit 17 increasing journey system limits the functional module such as current charges module and work-based logic control module formed primarily of battery pack real-time voltage monitoring modular, constant voltage, work-based logic is: when the real-time voltage monitoring battery pack drops to 23V, automatic startup methyl alcohol generator system is ferric phosphate lithium cell group 8b electric energy supplement, its charging mode of operation is that constant potential 28.2V limits maximum current 4A, automatically stops charging when charging current is less than 0.5A.

Embodiment 10,

The rotor unit 3b of electric device is arranged on the front and back two-wheeled structure electric two-wheel car in wheel rim (wheel hub), and rotor unit 3b arranges position and the vehicle frame 4 selected as shown in Figure 1 b at trailing wheel; Wheel 5 is Crossed Circle titanium aluminium alloy rim structure, and outer shroud girth is 1000mm, and inner ring girth is 500mm, and inner ring and outer shroud are provided with 6 ribs that are connected, and integration manufactures; Electric device is designed to 12 stator unit 3a and 12 permanent magnet rotor unit 3b and combines, and 12 permanent magnet rotor unit are on average arranged along wheel rim (wheel hub) interval, inner edge; 12 stator units are arranged on the position of close trailing wheel inner edge, are connected by the anchor shaft of mechanical device and trailing wheel.

Battery pack selects 24V20Ah ferric phosphate lithium cell, is arranged on ad hoc position in vehicle frame.

The length of 12 permanent magnet rotor unit 3b is 15mm, and width gets maxim when not affecting wheel rim outer rubber wheel, snugly fits into the inner edge of wheel rim 6 inner ring, and N is extremely all just to axle 7; Stator unit selects I-shape ferromagnet around core material, winding is enclosed by the copper cash wounded core 35 of a diameter 0.55mm and forms, Installation features: stator unit is connected along the position, inner edge near wheel rim 6, I-shape magnetic core top is just arranged wheel rim (wheel hub) inner edge, air gap 3d is between the two 8mm, and 12 stator unit interval average angular are arranged.

The winding electric of 12 stator units is connected in series, tap is drawn in the middle of the winding of every 4 stator units, external formation 3 electric external loops of line composition (being similar to the Δ shape connection of the inner winding of conventional motors), with its well-distributed 12 rotor unit generation electromagnetic forces in wheel rim swing circle; The electric connection mode correspondence of power supply modulator is designed to three wire circuit, time sequential pulse electric current mean allocation in each loop that three lines are formed of its corresponding output; The energising direction of power supply modulator to stator unit winding is set to around core S extremely against wheel rim hand of rotation; What the present embodiment can utilize the external two-phase of stator unit 3a winding to feed back further compares differetial-potential difference between two, as the signal source that stator unit and rotor unit interior location differentiate, substitutes the independent sensing unit arranged.

The driving of the present embodiment is powered, and to be defined as θ from 90 degree to θ be 70 degree of corresponding time periods to time domain, and it is 0 degree of corresponding time period that braking power supply time domain is defined as θ from 20 degree to θ.This electric wheel ring independently can be arranged at battery-driven car, and the battery-driven car of central power formula also can be coordinated to install in wheel hub, makes it to become auxiliary electric device.

Embodiment 11,

The electric two-wheel vehicle of embodiment 10 is installed additional and increases journey system, as shown in Figure 10 a, electric energy supplementary device 18 adopts nominal 24V120Ah aluminum air battery system, mode of operation is set to synchronous working when battery-driven car starts, and to battery pack floating charge in electric device runs, logic charging unit 17 work-based logic is: within every 10 minutes, the capacity to battery pack carries out the monitoring of once differentiation stream, when the capacity monitoring battery pack drops to 8Ah, automatic startup aluminum air battery system is ferric phosphate lithium cell group 8b electric energy supplement, its charging mode of operation is that constant potential 28.2V limits maximum current 4A, automatically charging is stopped when charging current is less than 0.5A.

Embodiment 12,

Wheel rim electric device described in embodiment 10 is added high powe design further, increase stator unit number of turns of winding and rotor unit volume, battery pack selects 60V100Ah plumbic acid colloid battery, be arranged on the vehicle frame of four-wheeled as shown in fig. lob, electric wheel ring is set to two front-wheels of four-wheeled, and design is two increases journey system.

The reversing of four-wheeled described in the present embodiment, by power supply modulator, electric device is defined to the moment and the electric current sequential that stator unit winding are started to power supply against rotation of wheel direction, sequential current start correspond to θ be-90 degree to θ be-30 degree intervals arrange (θ described herein-value interval, be using θ be 0 state as benchmark coordinate and define according to the inside relative position of aforementioned rotation of wheel direction to rotor unit and stator unit).

Described two electric energy supplementary device 18 increasing journey system is combined by aluminium air primary battery system 18a (comprising aluminium-air cell and control system thereof) and internal-combustion engine generator system 18b (comprising Fuel Tank, combustion engine, electrical generator and rectifying device and control system thereof) respectively; The functional module of the logic charging unit 17 of two increasing journey system comprises charging module and control module, charging module is provided with two-way input end, is electrically connected the electric energy output end of aluminum air battery system 18a and the electric energy output end of electrical connection internal-combustion engine generator system 18b respectively; The charging module mouth electrical connection battery pack 8 of logic charging unit 17, its work startup realizes logic control by the control module of logic charging unit 17 by electric connection of power supply modulator 1.

Logic charging unit 17, by the programming Control of power supply modulator 1, realizes the monitoring to the real-time voltage/remaining capacity of battery pack 8 and charging control function; When two increasing journey system is battery pack 8 electric energy supplement, preferentially enables internal-combustion engine generator system 18b, continue to enable aluminum air battery system 18a when internal-combustion engine generator system can not work.The fuel that internal-combustion engine generator system uses is any.

Above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to embodiment, those of ordinary skill in the art is to be understood that, the technical solution of the utility model is modified or equivalent replacement, do not depart from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.

Claims (7)

1. the battery-driven car of an electric wheel ring control, it is characterized in that, described battery-driven car comprises power supply modulator (1), drives actuation means (9a), vehicle frame (4), battery pack (8) and at least one wheel (5); At least one wheel of described battery-driven car arranges at least a set of electric device; Described electric device comprises stator unit (3a) and permanent magnet rotor unit (3b); Described rotor unit (3b) at least arranges on a wheel rim in wheel (6); When wheel rim being arranged multiple rotor unit, multiple rotor unit arranges around wheel rim interval and pole orientation is identical; Described stator unit (3a) at least arranges a fixed position in vehicle frame (4), and the relative air gap of the periodicity that itself and rotor unit are formed (3d) is not more than 90mm;

Described power supply modulator (1) comprises power input (1a), sequential current output terminal (1b) and driving signal input (1d), the both positive and negative polarity of power input electrical connection battery pack (8), the inside winding of sequential current output terminal electrical connection stator unit, driving signal input electrical connection drives actuation means (9a); Described battery pack (8) comprises disposable primary battery (8a) or the secondary battery (8b) used that can repeatedly charge, or both combine setting.

2. battery-driven car according to claim 1, it is characterized in that, described stator unit (3a) is formed around the magnetic core of magnetic media material by least one group of good conductor loop, by connected in series or in parallel between its winding that combination arrangement obtains on vehicle frame (4), or by drawing the multi-thread external loop of centre tap composition between different winding.

3. battery-driven car according to claim 1, it is characterized in that, described electric device also comprises sensing device, and described sensing device comprises some sensing units (3c) responding to described rotor unit (3b) and stator unit (3a) relative position; Described sensing unit is electrically connected with the transducing signal input end (1c) of described power supply modulator (1); Described battery-driven car at least arranges a sensing unit in the inner edge of wheel rim (6) or outer rim.

4. battery-driven car according to claim 3, it is characterized in that, described sensing device also comprises the inside winding of stator unit (3a), and described inner winding comprises around the winding of stator unit magnetic core and by the multi-thread external loop be in series between some stator unit windings.

5. battery-driven car according to claim 1, it is characterized in that, described battery-driven car also comprises electro-magnetic braking device (9b), and described power supply modulator (1) also comprises brake signal input end (1e), its electrical connection described in electro-magnetic braking device.

6. battery-driven car according to claim 1, it is characterized in that, electric energy supplementary device (18) is installed additional during described battery-driven car configuration secondary battery (8b), described electric energy supplementary device comprises the arbitrary primary battery of material (8a) and combines with control setup, or be that internal combustion engine generator and system control device combine, or both combine setting; Electric energy supplementary device is by logic charging unit (17) electrical connection secondary battery.

7. battery-driven car according to claim 6, is characterized in that, described logic charging unit (17) is independent to be arranged, or its partial logic function or whole logic function is integrated in power supply modulator (1).