CN201877956U

CN201877956U - Bifunctional integrated motor

Info

Publication number: CN201877956U
Application number: CN2010206446901U
Authority: CN
Inventors: 吴可义
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-11-30
Filing date: 2010-11-30
Publication date: 2011-06-22
Anticipated expiration: 2020-11-30

Abstract

The utility model provides a bifunctional integrated motor compact in structure and strong in practicability. The motor comprises a stator shaft, a stator, a rotor, a front hub cover, a rear hub cover, a steel ring, a generator stator, a support, a lithium battery and an electrical control system, wherein the stator and the generator stator are arranged on the stator shaft at interval; a winding on the stator is electrically connected with the lithium battery through the electrical control system; the output end of the winding on the generator stator is electrically connected to the output end of the lithium battery; the front hub cover and the rear hub cover are respectively and rotatably arranged on the stator on the stator shaft and axially outside the generator stator through bearings; the steel ring is arranged radially outside between the front hub cover and the rear hub cover; the rotor is arranged radially outside the stator inside the front hub cover; the other side of the rotor axially extends to radial outside of the generator stator; the support is arranged on the stator shaft; and the lithium battery is arranged on the support.

Description

A kind of difunctional integrated motor

Technical field

The utility model relates to a kind of difunctional integrated motor, and it belongs to a kind of of motor, mainly is installed on bicycle, rectifys on the wheel shaft of car or freight car wheel and play driving action.

Background technology

Electric bicycle has been known, it generally comprises handlebar, vehicle frame, front-wheel, trailing wheel, pedal, storage battery, power assembly and electric control system, handlebar, front-wheel, trailing wheel, pedal, storage battery, power assembly and electric control system are located on the vehicle frame, pedal is in transmission connection by power assembly and trailing wheel, storage battery is electrically connected with power assembly by electric control system, the setting that is in transmission connection of power assembly and trailing wheel, can control the working method of power assembly by being located at control button on the handlebar, and then the control bicycle is in and travels or halted state.The Chinese patent CN201613996U of bulletin disclosed a kind of self-generating electric bicycle as on October 27th, 2010, it comprises the two-wheeled cycle car body, axis place at described bicycle body is provided with generator, the rotating shaft terminal of generator is fixedlyed connected with the crank of pedal, be provided for the motor that drive wheels is rotated at trailing wheel or place, front-wheel axle center, described generator is connected by electric wire with motor.The electric automobile of public offering also is existing engine and drive system thereof to be replaced with storage battery and electric control system is electrically connected and then the rotating manner of control motor on the market, and then the transport condition of Control of Automobile.

No matter be existing bicycle or strong car, all there is such weak point in its driven by power part: the first is for existing bicycle, and it does not possess electric boosted function, consumer or purchase again and take turns electric assisted bicycle; Still adopt bicycle and man; Strong car also is the same, and it just provides electric power by storage battery, and does not consider how effectively to utilize automobile inertial that storage battery is charged.

The utility model content

The purpose of this utility model provides a kind of compact conformation, practical difunctional integrated motor.

The technical scheme that the utility model adopted is such: a kind of difunctional integrated motor, comprise stator axis, stator, rotor, the wheel hub protecgulum, the wheel hub bonnet, steel ring, generator unit stator, support, lithium battery and electric control system, described stator and generator unit stator are located on the stator axis at interval, winding on the stator is connected with lithium battery by electric control system, generator unit stator winding output is electrically connected on the output of lithium battery, wheel hub protecgulum and wheel hub bonnet are respectively by rotatable the above stator of stator axis and the axial outside of generator unit stator be located at of bearing, steel ring is located at radial outside between wheel hub protecgulum and the wheel hub bonnet, rotor is located at the inboard described stator radial outside of wheel hub protecgulum, and the opposite side of rotor extends axially to the generator unit stator radial outside, be set up on the stator axis, lithium battery is located on the support.

Preferred above-mentioned difunctional integrated motor, the total 4-10 group of described lithium battery, it along the circumferential direction all is laid in the support radial outside, is electrically connected with electric control system after described each lithium battery output is connected in series.

By adopting the aforementioned techniques scheme, the beneficial effects of the utility model are: the utility model substitutes traditional lead acid accumulator by lithium battery, structure to motor is optimized combination then, make whole integrated motor compact conformation, can reequip upgrading to existing bicycle easily, existing like this bicycle can obtain recycling, and this kind structure is equally applicable to rectify car or lorry, plays the effect of energy-conserving and environment-protective.

Below in conjunction with accompanying drawing the utility model is specified for an embodiment.

Description of drawings

Fig. 1 is the cutaway view of the utility model embodiment;

Fig. 2 is the front view of stator axis among Fig. 1;

Fig. 3 is the end view of wheel hub protecgulum among Fig. 1;

Fig. 4 is the end view of wheel hub bonnet among Fig. 1;

Fig. 5 is the end view of steel ring among Fig. 1;

Fig. 6 is the end view of Fig. 1 rotor;

Fig. 7 is the end view of stator among Fig. 1;

Fig. 8 is the end view of Fig. 1 medium-height trestle;

Fig. 9 is the circuit theory diagrams of the utility model embodiment;

Figure 10 is the utility model embodiment motor starting circuit schematic diagram;

Figure 11 is the control circuit schematic diagram of utility model embodiment;

Embodiment

Referring to figs. 1 to Figure 11, embodiment discloses a kind of difunctional integrated motor that is used to reequip bicycle rear, comprises stator axis 1, stator 2, rotor 3, wheel hub protecgulum 4, wheel hub bonnet 5, steel ring 6, generator unit stator 7, support 8, lithium battery (not shown) and electric control system.

With reference to figure 1 and Fig. 2, Fig. 7, described stator 1 and generator unit stator 7 axially spaced-aparts are located on the stator axis 1, the axial two ends of described stator axis 1 are provided with screw thread 11 and are used for fixedlying connected with back fork of bicycle, described stator 2 is provided with 24 deep gouges 21,24 windings (comprising the major-minor winding) are located on each deep gouge 21, winding configuration adopts the Sine distribution winding, after being connected in series, each main winding is electrically connected with electric control system, after being connected in series, each auxiliary winding is electrically connected with electric control system, the similar of the structure of generator unit stator 7 and stator 2, just the number of turn of winding is different, and its output of the winding of generator unit stator 7 is connected with the input (also being output) of storage battery.The theoretical rated power of described stator 2 is 370W, 1400 rev/mins of rotating speeds, and efficient is about 62%, stator outer diameter 128mm, diameter of stator bore 77mm, the length of stator is 75mm, the line of main winding directly adopts the copper cash of 0.85～1mm, 124 of every utmost point numbers of turn, average half turn 143.4mm; The auxiliary winding line directly adopts 0.5～1mm, 134 of every utmost point numbers of turn, and parallel half turn 155.8mm, starting electric capacity is CDJ electrochemical capacitor 100UF, operating voltage 220V.

With reference to figure 1, Fig. 3, Fig. 4, described wheel hub protecgulum 4 and wheel hub bonnet 5 are respectively by the bearing 41 and the bearing 51 rotatable axial outsides of being located at stator axis 1 the above stator 2 and generator unit stator 7, along the circumferential direction be evenly equipped with eight fixing holes 42 that are used for fixing rotor 3 on the described wheel hub protecgulum 4, be used for eight cold wind holes 43 that stator 2 and rotor 3 are dispelled the heat and eight fixing holes 44 that are used for fixing steel ring 6, one side in described cold wind hole 43 is along being provided with deep bead 431, with reference to figure 3, when described wheel hub protecgulum 4 rotated counterclockwise, deep bead 431 helped cold wind to cool off stator 2 and rotor 3 better.Same, described wheel hub bonnet 5 is evenly equipped with eight cold wind holes 51 and is used for fixing eight fixing holes 52 of steel ring 6 along Zhou Fangxiang, one side in described each cold wind hole 51 is along being provided with deep bead 511, when described commentaries on classics hub bonnet 5 rotated counterclockwise, cooled off in the space that described deep bead 511 helps air better to enter stator 2 and rotor 3.

With reference to figure 1 and Fig. 5, described steel ring 6 its section one sides are similar to " worker " font structure, the two sides of described steel ring 6 are respectively equipped with a circle fixing hole 61 and a connecting hole 62, described fixing hole 61 is used for fixing with wheel hub protecgulum 4, wheel hub bonnet 5 respectively, make wheel hub protecgulum 4, wheel hub bonnet 5, steel ring 6, armature spindle 1 interconnect by each fixing hole 61 and be fixed into one that described connecting hole 62 is used to connect each strut of the bicycle after the repacking.

With reference to figure 1, Fig. 6, described rotor 3 is fixed on the wheel hub protecgulum 4 by fixing hole 42, the inboard of rotor 3 along the circumferential direction is evenly equipped with 30 deep gouges, be provided with the silicon steel sheet that the rare earth permanent magnetic material makes in the described deep gouge, the external diameter of the internal diameter of rotor 3 and generator unit stator 7 is unlimited approaching to reduce leakage magnetic field, the axial opposite side of described rotor 3 extends to the radial outside of generator unit stator 7, thereby cooperating with stator 2, described rotor 3 makes engine usefulness, cooperate with generator unit stator 7 and to make generator and use, fully advantageously utilized limited space, its radially inner side of part that described rotor 3 is positioned at generator unit stator 7 radial outsides is provided with 24 deep gouges 31, is provided with the silicon steel sheet that thickness is 0.5mm in described each deep gouge 31.

With reference to figure 1, Fig. 8, described support 8 passes through four screw on generator unit stator 7, support 8 is positioned at rotor 3 radial outsides and has the extension 81 that extends to axial component, described extension 81 along the circumferential direction is circular ring structure, extension 81 is provided with eight fixing holes, eight lithium batteries are fixedly arranged on respectively on eight fixing holes, and the output of each lithium battery is connected in series and is electrically connected with electric control system at last.Described support 8 is provided with eight cold wind holes 81, and described cold wind hole 81 is used for cold wind introduced between generator unit stator 7 and the rotor 3 plays cooling effect.

With reference to figure 1 and Fig. 9, the circuit theory of described integrated motor is: be electrically connected with the city by charger and finished charging by the be connected in series battery pack formed of eight lithium batteries, charged battery pack is connected at car light and loudspeaker in the bicycle handle bar by electric wire on the one hand, battery pack is electrically connected with single phase alternating current (A.C.) Induction Motor Control circuit input end by inverter simultaneously, and the output of control circuit is connected with the winding electric of motor stator 2; Meanwhile, the winding electricity of the generator unit stator 7 of integrated motor is electrically connected with the input of battery pack after by rectifying and pressure-regulating and is used for to lithium cell charging.

With reference to Figure 10, winding on the described stator 2 comprises main winding 23 and auxiliary winding 24, described main winding directly is electrically connected with the control circuit output, described auxiliary winding 24 is connected in parallel on the output of control circuit with main winding 23 after being connected in series by starting capacitance C1 and the electric empty C2 of starting again, described starting capacitance C1 and starting capacitance C2 are connected in parallel, be serially connected with on the starting capacitance C1 loop on two normally-closed contacts of voltage relay or centrifugal switch K1, behind the bicycle normal starting, this K switch 1 disconnects voluntarily.Certainly in some occasion, described auxiliary winding and starting capacitance can not wanted, and such as the occasion of pedal is being arranged, the actuating ratio of bicycle is easier to, and does not need to increase starting torque.

With reference to Figure 11, this circuit diagram is the schematic diagram of control circuit, this control circuit is based on the MLX90804 chip design, wherein the L end is a phase line, and the N end is a center line, and the Load end connects motor, speed detects and can adopt coil as velocity transducer or employing Hall element, R1, R2, R3, R4, VD1 and C1 constitute the power circuit of chip, and RP1 adopts linear potentiometer to be located on the handlebar of bicycle, and resistance R 7 is used for limiting the drive current of motor and also can want.MLX90804 adopts DIP-8, PDIP-8, DIL-8 or PDIL-8 encapsulation, and chip internal comprises pressurizer, oscillator, PLL, zero passage detection, ADC control logic and bidirectional triode thyristor and drives.Import the rotating speed that a voltage can be set motor from leads ends SET, the input pulse of this speed setting voltage and leads ends SPD compares.Leads ends SPD input can receive induction type or Mageneto-sensitive type detector signal.The phase angle of the required triggering of Triac is calculated by pi regulator.Chip has soft start, overload and overspeed protection function, occurs the problem of large impact electric current in the time of can eliminating motor start-up, and inner phase-locked loop pll circuit is used for compensation network line electric voltage frequency to be changed, and makes the triggering frequency stabilization.Minimum and maximum (top) speed, soft start are delayed time, the parameters such as gain of whole pi regulator can program storage in the mask memory.Speed is controlled by pi regulator, and the speed setting is determined by the voltage that is added on the leads ends SET.The voltage of leads ends SET is input to ADC and converts one 4 number to, and corresponding stored is in the address of inner ROM, the content representation of each address correspondence 16 kinds of different speed.Input voltage can freely be selected with the relation between the corresponding speed, need not linear relationship, and the soft start program of storage can guarantee that motor realizes level and smooth the startup, and the soft start function disposes when mask, and motor entry into service time of delay is the longest to be 300ms.

The utility model has solved problems such as electric bicycle, electric motor coach, electronic strong garage journey weak point, charging interval length, lead acid accumulator waste pollution environment, and provide solid technical scheme, for the electric automobile large-scale application has been opened up a new road.

Claims

1. difunctional integrated motor, it is characterized in that: comprise stator axis, stator, rotor, the wheel hub protecgulum, the wheel hub bonnet, steel ring, generator unit stator, support, lithium battery and electric control system, described stator and generator unit stator are located on the stator axis at interval, winding on the stator is connected with lithium battery by electric control system, generator unit stator winding output is electrically connected on the output of lithium battery, wheel hub protecgulum and wheel hub bonnet are respectively by rotatable the above stator of stator axis and the axial outside of generator unit stator be located at of bearing, steel ring is located at radial outside between wheel hub protecgulum and the wheel hub bonnet, rotor is located at the inboard described stator radial outside of wheel hub protecgulum, and the opposite side of rotor extends axially to the generator unit stator radial outside, be set up on the stator axis, lithium battery is located on the support.

2. difunctional integrated motor according to claim 1 is characterized in that: the total 4-10 group of described lithium battery, it along the circumferential direction all is laid in the support radial outside, is electrically connected with electric control system after described each lithium battery output is connected in series.