CN107482867A - A kind of three-phase permanent brushless DC hub motor - Google Patents

A kind of three-phase permanent brushless DC hub motor Download PDF

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Publication number
CN107482867A
CN107482867A CN201710715959.7A CN201710715959A CN107482867A CN 107482867 A CN107482867 A CN 107482867A CN 201710715959 A CN201710715959 A CN 201710715959A CN 107482867 A CN107482867 A CN 107482867A
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China
Prior art keywords
rotor wheel
center
heat
hole
pcb
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CN201710715959.7A
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CN107482867B (en
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彭希南
彭程
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
    • H02K29/08—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates, magneto-resistors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/02—Details of the magnetic circuit characterised by the magnetic material
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2786—Outer rotors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/33—Drive circuits, e.g. power electronics
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/08—Arrangements for controlling the speed or torque of a single motor
    • H02P6/085—Arrangements for controlling the speed or torque of a single motor in a bridge configuration
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2211/00—Specific aspects not provided for in the other groups of this subclass relating to measuring or protective devices or electric components
    • H02K2211/03—Machines characterised by circuit boards, e.g. pcb
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Brushless Motors (AREA)

Abstract

A kind of three-phase permanent brushless DC hub motor, is made up of wheel hub motor body and electronic controller two parts, and wheel hub motor body part includes：Wheel hub, rotor wheel end cap, rotor wheel, permanent magnet, central shaft, stator coil body, stator casing, center, heat-dissipating frame, electronic controller part are fully integrated into PCB, and it is characterized by：Rotor wheel is embedded in permanent magnet, then it is connected with rotor wheel end cap, rotor wheel end cap connects with wheel hub again, described stator coil body is arranged in center, detect pcb board in three pieces of positions, it is sequentially arranged at according to 120 degree of angle in the neck of coil deck, PCB insertion is arranged in heat-dissipating frame, heat-dissipating frame is again with being connected, it is reloaded into after forming one in stator casing, the present invention realizes the integral structure of motor body and controller, instead of various outside control wire harness, its reliability is enhanced, can be widely applied to various electric automobiles.

Description

A kind of three-phase permanent brushless DC hub motor
Technical field
The present invention relates to a kind of three-phase permanent brushless DC hub motor, i.e., a kind of one kind three with hall position sensor Phase permanent-magnet brushless DC hub motor, it is mainly used in the drive of electric bus, driverless electric automobile and walking robot It is dynamic.
Background technology
Wheel hub motor is also known as wheel inner electric machine, and its maximum feature is that wheel and electromagnetic actuator device are integrated, Due to power, transmission and brake apparatus are all incorporated into wheel hub, hence in so that the mechanical part of electric vehicle is greatly simplified, it is whole Car quality substantially reduces.The major advantage of wheel hub motor is：Wheel hub motor allow vehicle general arrangement use flattening bottom Dish structure pattern, the transmission device of transmission is omitted completely, integral power utilization ratio greatly improves, and interior space and arrangement are freely Degree is greatly improved；After wheel hub motor, almost there is no powerful moving component on the vehicle body of electric car, vehicle Space, vibration and noise comfortableness are greatly improved；Wheel hub motor can directly control the rotating speed of each wheel, be easy to implement Full four-wheel drive driving pattern, the power performance of vehicle is significantly improved, by E-Diff, around can controlling The different rotating speeds of wheel, realize the differential steering or pivot stud of vehicle.
The content of the invention
Technical problem
Although wheel hub motor has simple in construction, reliable, efficiency high, without excitation loss, good speed adjustment features and detent torque The advantages of larger, but only drawback is that, existing wheel hub motor can not be used alone, it is necessary to which external connected electronic controller coordinates Can use, because the wire harness connected between traditional wheel hub motor and electronic controller is numerous, including power line, three-phase phase line and Various control lines, it is very troublesome using identification, using upper inconvenient.
On the other hand, because wheel hub motor integrates motor body and wheel, cause nonspring carried mass larger, take turns Hub motor and its circuit will bear very big road shocks load, and antivibration requires harsh, and hub motor structure design is proposed High requirement.
In addition, how allowing wheel hub motor can directly to be powered up as AC asynchronous motor can drive, it is how real How the electromechanical integration of existing wheel hub motor and electronic controller, realize that the wireless remote control, electronic parking and GPS of wheel hub motor are determined Position is antitheft, it is such the problem of, have become the hot spot technology of current research wheel hub motor.
Technical scheme
In order to solve the above technical problems, the present invention proposes a kind of three-phase permanent brushless DC hub motor design, its skill Art scheme is specific as follows：
A kind of three-phase permanent brushless DC hub motor, by wheel hub 1, rotor wheel end cap 2, rotor wheel 3, permanent magnet 33, central shaft 4th, cable control wire 41, stator coil body 5, stator casing 6, center 7, PCB 8, heat-dissipating frame 9 form, and its main points exists In：
A kind of three-phase permanent brushless DC hub motor, by wheel hub motor body, hall position detection and electronic controller three It is grouped into, wheel hub motor body part is：
Described rotor wheel 3 is the circular shell that an outside is provided with vent rib, and middle position is provided with a rotor wheel center Hole 31, internal edge are arranged with arc bump 35, have a permanent magnet caulking groove 32, institute between adjacent two arc bumps 35 The permanent magnet 33 stated is embedded in permanent magnet caulking groove 32；
There is a lower bearing step 21 middle position of described rotor wheel end cap 2, and central shaft 4 passes through rotor wheel centre bore 31 Afterwards, the insertion of lower bearing 44 in central shaft 4 is in the lower bearing step 21 of rotor wheel end cap 2, the side of rotor wheel end cap 2 There are nine rotor wheel end cap pilot holes 23 along part, the edge portions of rotor wheel 3 also there are nine rotor wheel pilot holes 34, and screw is worn Cross rotor wheel end cap pilot hole 23 with rotor wheel pilot hole 34 to be connected, rotor wheel end cap 2 is integrated with rotor wheel 3；
The core of described rotor wheel end cap 2 has a lower bearing step 21, and the periphery along lower bearing step 21 has six Individual fixing bolt 22, by the mounting hole A11 on wheel hub 1 through after six fixing bolts 22, then by nut by itself and rotor wheel end Lid 2 twists as a whole；
Described stator coil body 5 is made up of amorphous alloy core body and line bag, and amorphous alloy core body center is shaped as one Annulus, stretch out on the outside of annulus it is long-armed, line surround the stretching of amorphous alloy core body it is long-armed on；
Described center 7 is disc structure, simultaneously there is pillar 73, and coil deck 74, coil deck 74 is distributed with the inside of center 7 Both sides are provided with neck 77, and one piece of position detection pcb board 78 is may be inserted into neck 77, is welded on described position detection pcb board 78 It is connected to Hall sensor 79 and contact pin pin 791, the magnetic induction plane of its Hall sensor 79 faces permanent magnet 33 during welding；
Hall position detection part is：Described totally three pieces of pcb board 78 of position detection, is sequentially arranged at according to 120 degree of angle In the neck 77 of coil deck 74, its contact pin pin 791 is each passed through after the bottom plate of center 7 and is welded on again in PCB 8 HA Wiring areas 805, HB Wiring areas 806, HC Wiring areas 807；
Adjacent coil deck 74 is connected by elastomeric connector 72, and during installation, the adjacent lines bag on stator coil body 5 is just embedded in Into coil deck 74；
Described heat-dissipating frame 9 is aluminium profiles material, and profile is rounded, and madial wall is the framework of hexagon, on each avris wall Five connecting holes are provided with, the edge of hexagonal-shaped frame has a curved support step 96, is provided with curved support step 96 Pilot hole D 95, the PCB 8 of hexagon are arranged on one end in the hexagon frame of heat-dissipating frame 9, and by curved support platform Rank 96 is supported, and when closing up, the cover plate 91 of described hexagon is covered in the other end of curved support step 96, and screw passes through lid Plate fixing hole C 93 and pilot hole D 95, cover plate 91 and curved support step 96 are threaded together；
Described heat-dissipating frame（9）On circular arc be provided with heat-dissipating frame mounting hole 94, during assembling, screw passes through heat-dissipating frame 9 On heat-dissipating frame mounting hole 94 be connected with the pillar 73 on center 7, then by the heat-dissipating frame with PCB 8, cover plate 91 9 imbed in stator casing 6 together with center 7, stator coil body 5；
There is stator fixed ear 61 with holes on described stator casing 6, there is center fixed ear 71 with holes on described center 7, Screw is through stator fixed ear 61 with behind the hole in center fixed ear 71, both are connected as one；
Electronic controller part is：Electronic component is concentrated in PCB 8, and Surface Mount is welded with ARM chips 80, signal condition Chip 81, comparator 82, pre-driver chip 83, PWM controller 84, analog line driver 85, three terminal regulator 86, GPS module 87th, wireless receiving module 88, VMOS pipes 89, phase current sensing constantan wire 801, total current detection constantan wire 802, high frequency transformer 803, described VMOS pipes 89 5 are one group, and two groups of compositions, a pair of upper and lower bridge arms, every group of VMOS pipe 89 is consolidated by screw respectively Five connection holes being scheduled on each avris wall of heat-dissipating frame 9.
Central position in PCB 8 has a circle cable welding hole 804, described one end of cable control wire 41 Through after two cable-through holes 42 on central shaft 4, then at the cable welding hole 804 being welded in PCB 8, the other end Circumscripted power line, speed regulator, brake switch and pole changer.
Following annexation between described device be present：The output end of comparator 82 and the I/O pins of ARM chips 80 It is connected, the input of comparator 82 is connected with outside brake, turn signal, the input of signal condition chip 81 and outside speed governing Handle, phase current sensing constantan wire 801, total current detection constantan wire 802 are connected, the A/D pins of ARM chips 80 respectively with signal The output end of conditioning chip 81 is connected, and the described input of pre-driver chip 83 is controlled by ARM chips 80, pre-driver chip 83 Output end driving VMOS pipes 89；
Described HA Wiring areas 805, HB Wiring areas 806, HC Wiring areas 807 position sensor signal respectively with ARM chips（80） External interrupt pin be connected；
Described PWM controller 84 and pre-driver chip 83, high frequency transformer 803, analog line driver 85 form Switching Power Supply Circuit, described three terminal regulator 86 composition secondary pressure circuit.
Described GPS module 87 is connected with the I/O pins of ARM chips 80.
Described wireless receiving module 88 uses 433MHz wireless common channel, its output pin and ARM chips 80 I/O pins be connected.
Described cover plate 91 is hexagon, and there is central sheath 92 middle position, and the edge of cover plate 91 is provided with cover plate fixing hole 93, cover plate 91 is arranged in the hexagonal-shaped frame of heat-dissipating frame 9, and screw is passed through on cover plate fixing hole 93 and curved support step 96 Heat-dissipating frame mounting hole 94 be connected.
There is upper bearing (metal) step 62 the described middle position of stator casing 6, and described upper bearing (metal) 43 is arranged on upper bearing (metal) step In 62, central shaft 4 passes through unilateral stretching after upper bearing (metal) 43.
There is a central shaft disk 45 on described central shaft 4, disk fixing hole A 46, institute are provided with central shaft disk 45 Disk fixing hole B 76 is provided with the center 7 stated, both are fixed together by screw.
It is provided with a circle capillary groove 24 on described rotor wheel end cap 2, embedding sealing rubber ring 25 in capillary groove 24.
Technique effect
A kind of three-phase permanent brushless DC hub motor proposed by the present invention has the advantages that：
1. compared with electric automobile concentrates power drive, a kind of three-phase permanent brushless DC hub motor possesses very big advantage, Its layout is more flexible, can reduce the center of gravity of vehicle, it is not necessary to complicated machine driven system, and it is independent to possess single wheel The characteristic of driving, full wheel 4 wheel driven implement very easy on the vehicle of In-wheel motor driving；Meanwhile wheel hub motor can lead to The different rotating speeds of wheel even invert the differential steering for realizing similar caterpillar around crossing, and greatly reduce vehicle Radius of turn, pivot stud can be almost realized under special circumstances, it is very valuable for special vehicle.
A kind of 2. three-phase permanent brushless DC hub motor of the present invention, because collection driving, braking, carrying etc. are a variety of Function changes permanent magnet brushless direct current hub motor and is installed separately with controller, reconnect the conventional mounting mould used in one Formula, but motor body and controller, executing agency are taken into integral structure, various outside control wire harness is instead of, Its reliability is enhanced, system is realized and most saves, total optimization.
3. a kind of three-phase permanent brushless DC hub motor of the present invention, substitute silicon steel sheet, energy from non-crystaline amorphous metal It is enough to greatly improve the efficiency and power density of motor, reduce stator core iron loss.
4. the present invention devises a kind of elastomeric connector using thermostability engineering plastic material composition and a kind of band neck Coil deck, for support installation stator coil body, with eliminate vibrations and mechanical stress caused by influence, position detection PCB Plate can be inserted into neck, its registration, and wiring is extremely simple.
4th, on radiating topological structure, solves the peace of PCB well by using aluminium alloy heat-dissipating frame The heat dissipation problem of dress and power VMOS tube.
5. in terms of circuit, present invention support GPS location is antitheft, wireless remote control is parked and electronic parking function.
Obviously, integrated permanent magnetism brushless direct current wheel hub of the present invention electricity, illustrate a kind of topological structure of synthesis and Brand-new control technology set.
Brief description of the drawings
A kind of three-phase permanent brushless DC hub motor elevation figures of Fig. 1；
A kind of three-phase permanent brushless DC hub motor back side outline drawings of Fig. 2；
A kind of three-phase permanent brushless DC hub motor explosive views one of Fig. 3；
A kind of three-phase permanent brushless DC hub motor explosive views two of Fig. 4；
A kind of three-phase permanent brushless DC hub motor explosive views three of Fig. 5；
A kind of three-phase permanent brushless DC hub motor explosive views four of Fig. 6；
A kind of three-phase permanent brushless DC hub motor explosive views five of Fig. 7；
A kind of three-phase permanent brushless DC hub motor explosive views six of Fig. 8；
A kind of three-phase permanent brushless DC hub motor explosive views seven of Fig. 9；
Figure 10 center profile views；
Center profile views one of the Figure 11 with position detection pcb board；
Center front views of the Figure 12 with position detection pcb board；
Center profile views two of the Figure 13 with position detection pcb board；
Detect pcb board profile view in Figure 14 positions；
Figure 15 central shafts, permanent magnet, stator coil body and stator casing outline drawing；
Figure 16 PCBs and heat-dissipating frame front view；
Figure 17 central shafts, PCB and heat-dissipating frame, center, stator coil explosive view；
Figure 18 PCBs and heat-dissipating frame, center, stator coil explosive view.
Label declaration：
1 wheel hub
11 hub installing hole A
2 rotor wheel end caps
The fixing bolt of 21 lower bearing step 22
The capillary groove of 23 rotor wheel end cap pilot hole 24
25 sealing rubber rings
3 rotor wheels
The permanent magnet caulking groove of 31 rotor wheel centre bore 32
The rotor wheel pilot hole of 33 permanent magnet 34
35 arc bumps
4 central shafts
The cable-through hole of 41 cable control wire 42
The lower bearing of 43 upper bearing (metal) 44
The disk fixing hole A of 45 central shaft disk 46
5 stator coil bodies
6 stator casings
The upper bearing (metal) step of 61 stator fixed ear 62
7 centers
The elastomeric connector of 71 center fixed ear 72
The coil deck of 73 pillar 74
Wear the disk fixing hole B of axis hole 76 in 75 stator center centers
Detect pcb board in the position of 77 neck 78
The Hall sensor pin of 79 Hall sensor 791
8 PCBs
The signal condition chip of 80 ARM chips 81
The pre-driver chip of 82 comparator 83
The analog line driver of 84 PWM controller 85
The GPS module of 86 three terminal regulator 87
The VMOS of 88 wireless receiving module 89 is managed
The total current of 801 phase current sensing constantan wire 802 detects constantan wire
The cable welding hole of 803 high frequency transformer 804
The HB Wiring areas of 805 HA Wiring areas 806
807 HC Wiring areas
9 heat-dissipating frames
The central sheath of 91 cover plate 92
The heat-dissipating frame mounting holes of 93 cover plate fixing hole C 94
The curved support steps of 95 pilot hole D 96
Embodiment
The present invention is as shown in Fig. 1 to Figure 15.Illustrate specific embodiments of the present invention below in conjunction with the accompanying drawings：
A kind of three-phase permanent brushless DC hub motor, by wheel hub（1）, rotor wheel end cap（2）, rotor wheel（3）, permanent magnet （33）, central shaft（4）, cable control wire（41）, stator coil body（5）, stator casing（6）, center（7）, PCB（8）、 Heat-dissipating frame（9）Composition, it is characterized by：
A kind of three-phase permanent brushless DC hub motor, by wheel hub motor body, hall position detection and electronic controller three It is grouped into, wheel hub motor body part is：
Described rotor wheel（3）It is the circular shell that an outside is provided with vent rib, middle position is provided with a rotor wheel Heart hole（31）, internal edge is arranged with arc bump（35）, adjacent two arc bumps（35）Between have a permanent magnet Caulking groove（32）, the permanent magnet of described NdFeB material（33）Embedded permanent magnet caulking groove（32）In；
Described rotor wheel end cap（2）Middle position have a lower bearing step（21）, central shaft（4）Through rotor wheel center Hole（31）Afterwards, central shaft（4）On lower bearing（44）Insertion is arranged on rotor wheel end cap（2）Lower bearing step（21）In, Rotor wheel end cap（2）Edge portions have nine rotor wheel end cap pilot holes（23）, rotor wheel（3）Edge portions also have nine Rotor wheel pilot hole（34）, screw passes through rotor wheel end cap pilot hole（23）With rotor wheel pilot hole（34）It is connected, rotor wheel end Lid（2）With rotor wheel（3）It is integrated；
Described rotor wheel end cap（2）Core have a lower bearing step（21）, along lower bearing step（21）Week While there are six fixing bolts（22）, by wheel hub（1）On mounting hole A（11）Through six fixing bolts（22）Afterwards, then by nut By itself and rotor wheel end cap（2）Twist as a whole；
Described stator coil body（5）It is made up of amorphous alloy core body and line bag, amorphous alloy core body center is shaped as one Individual annulus, stretch out on the outside of annulus it is long-armed, line surround the stretching of amorphous alloy core body it is long-armed on；The non-crystaline amorphous metal of the use Material, there is excellent high magnetic flux density, low magnetostriction coefficient and high Effective permeability performance, be that one kind is different from silicon steel sheet Electric motors function material；
Described center（7）For disc structure, simultaneously there is pillar（73）, center（7）Inside coil deck is distributed with（74）, line Enclose deck（74）Both sides are provided with neck（77）, neck（77）In may be inserted into one piece of position detection pcb board（78）, described position Detect pcb board（78）On be welded with Hall sensor（79）With contact pin pin（791）, Hall sensor is required during welding（79）'s Magnetic induction plane faces permanent magnet（33）；
Hall position detection part is：Described position detection pcb board（78）Totally three pieces, installed successively according to 120 degree of angles In coil deck（74）Neck（77）In, its contact pin pin（791）It is each passed through center（7）Bottom plate after be welded on PCB again Circuit board（8）On HA Wiring areas（805）, HB Wiring areas（806）, HC Wiring areas（807）；
Adjacent coil deck（74）By elastomeric connector（72）Connection, during installation, stator coil body（5）On adjacent lines bag just It is embedded into coil deck well（74）In；
Described heat-dissipating frame（9）For aluminium profiles material, profile is rounded, and madial wall is the framework of hexagon, on each avris wall Five connecting holes are provided with, the edge of hexagonal-shaped frame has a curved support step（96）, curved support step（96） On be provided with pilot hole D（95）, the PCB of hexagon（8）Installed in heat-dissipating frame（9）Hexagon frame in one end, and By curved support step（96）Supported, when closing up, the cover plate of described hexagon（91）It is covered in curved support step（96） The other end, screw passes through cover plate fixing hole C（93）With pilot hole D（95）, by cover plate（91）With curved support step（96）Twist Together；
Described heat-dissipating frame（9）On circular arc be provided with heat-dissipating frame mounting hole（94）, during assembling, screw passes through heat-dissipating frame （9）On heat-dissipating frame mounting hole（94）With center（7）On pillar（73）It is connected, then will be with PCB（8）, cover plate （91）Heat-dissipating frame（9）With center（7）, stator coil body（5）One of tight fit imbeds stator casing（6）In；
Described stator casing（6）On have stator fixed ear with holes（61）, described center（7）On there is center with holes to fix Ear（71）, screw passes through stator fixed ear（61）With center fixed ear（71）On hole after, both are connected as one；
Electronic controller part is：Electronic component concentrates on PCB（8）On, Surface Mount is welded with ARM chips（80）, signal Conditioning chip（81）, comparator（82）, pre-driver chip（83）, PWM controller（84）, analog line driver（85）, three ends it is steady Depressor（86）, GPS module（87）, wireless receiving module（88）, VMOS pipe（89）, phase current sensing constantan wire（801）, total current Detect constantan wire（802）, high frequency transformer（803）, described VMOS pipes（89）Five are one group, bridge about a pair of two groups of compositions Arm, every group of VMOS pipe（89）Heat-dissipating frame is screwed in respectively（9）Five connection holes on each avris wall.
PCB（8）On central position have a circle cable welding hole（804）, described cable control wire （41）One end passes through central shaft（4）On two cable-through holes（42）Afterwards, then it is welded to PCB（8）On cable wire bonding Hole（804）Place, other end circumscripted power line, speed regulator, brake switch and pole changer.
Described cable control wire（41）For deca-cable line, positive source is represented respectively（VCC）, ground wire（GND）, electronics Differential mechanism signal, electric motor starting/stopping, motor positive and inverse, brake signal, speed governing, VD (+5V), common port（COM）, wherein, electricity External electric motor starting/the shutdown switch of machine startup/stop line, the external motor positive and inverse switch of motor positive and inverse line, brake signal line External braking signal switch pedal, described speed governing, VD (+5V) and common port（COM）External speed control crank.
Following annexation between described device be present：Comparator（82）Output end and ARM chips（80）I/O Pin is connected, comparator（82）Input with outside brake, turn signal be connected, signal condition chip（81）Input with Outside speed control crank, phase current sensing constantan wire（801）, total current detection constantan wire（802）It is connected, ARM chips（80）A/D Pin respectively with signal condition chip（81）Output end is connected, described pre-driver chip（83）Input is by ARM chips （80）Control, pre-driver chip（83）Output end driving VMOS pipe（89）；
Described HA Wiring areas（805）, HB Wiring areas（806）, HC Wiring areas（807）Position sensor signal respectively with ARM cores Piece（80）External interrupt pin be connected；
Described PWM controller（84）With pre-driver chip（83）, high frequency transformer（803）, analog line driver（85）Composition Switching power circuit, described three terminal regulator（86）Secondary pressure circuit is formed,
Described GPS module（87）With ARM chips（80）I/O pins be connected.
Described wireless receiving module（88）Using 433MHz wireless common channel, its output pin and ARM chips （80）I/O pins be connected.
Described cover plate（91）For hexagon, there is central sheath middle position（92）, cover plate（91）Edge be provided with cover plate Fixing hole（93）, cover plate（91）Installed in heat-dissipating frame（9）Hexagonal-shaped frame in, screw passes through cover plate fixing hole（93）With arc Shape support level（96）On heat-dissipating frame mounting hole（94）It is connected.
Described stator casing（6）There is upper bearing (metal) step middle position（62）, described upper bearing (metal)（43）Installed in upper axle Cushion cap rank（62）In, central shaft（4）Through upper bearing (metal)（43）Unilateral stretching afterwards.
Described central shaft（4）On have a central shaft disk（45）, central shaft disk（45）On be provided with disk fixing hole A （46）, described center（7）On be provided with disk fixing hole B（76）, both are fixed together by screw.
Due to the bad environments of wheel hub motor work, many-sided influence such as water, dust is faced, is also had in seal aspect higher It is required that so, rotor wheel end cap（2）On be provided with a circle capillary groove（24）, capillary groove（24）Middle embedding sealing rubber ring（25）.
In order to resist the influence of vibrations, all electronic components are being welded and then are welding glue with 3M strengths liquid Point weld-bonding, to prevent sealing-off or loosening, the adhesive strength of the glue is more than 80 times of common 502 glue, impact resistance, and is not sent out In vain.
The novel ingenious part of the present invention is：
Compared with motor concentrates power drive, a kind of three-phase permanent brushless DC hub motor possesses very big advantage, its cloth Office is more flexible, can reduce the center of gravity of vehicle, it is not necessary to complicated machine driven system, and possess single wheel and independently drive Characteristic, it is complete take turns 4 wheel driven implemented on the vehicle of In-wheel motor driving it is very easy；Meanwhile wheel hub motor can pass through a left side The different rotating speeds of right wheel even invert the differential steering for realizing similar caterpillar, greatly reduce the radius of turn of vehicle, Pivot stud can be almost realized under special circumstances, it is very valuable for special vehicle.
A kind of three-phase permanent brushless DC hub motor of the present invention, due to a variety of work(such as collection driving, braking, carryings It can change permanent magnet brushless direct current hub motor in one and be installed separately with controller, reconnect the conventional mounting pattern used, But motor body, hall position detection and controller, executing agency are taken into integral structure, it instead of various outside Wire harness is controlled, its reliability is enhanced, realizes system and most save, total optimization.
A kind of three-phase permanent brushless DC hub motor of the present invention, substitute silicon steel sheet from non-crystaline amorphous metal, significantly The efficiency and power density of motor are improved, reduces stator core iron loss.
The present invention devises a kind of elastomeric connector and coil deck using thermostability engineering plastic material composition, is used for Support installation stator coil body, to eliminate the influence caused by vibrations and mechanical stress.
The present invention devises a kind of coil deck with neck, and position detection pcb board can be inserted into neck, registration, Wiring is extremely simple.
On radiating topological structure, by using aluminium alloy heat-dissipating frame, solves PCB with working along both lines Installation and the heat dissipation problem of power VMOS tube.
In terms of circuit, the present invention supports that GPS location is antitheft, wireless remote control is parked, electronic differential and electronic parking function.
A kind of specifically, three-phase permanent brushless DC hub motor side of unilateral shaft proposed by the invention Case, not still a kind of high power density and efficient brushless, permanently excited direct current motor, and provide a kind of inexpensive reality Existing brushless, permanently excited direct current motor body, the solution of hall position detection and control device integration, can be widely applied to electricity The driving of dynamic bus, driverless electric automobile and walking robot.It represents three-phase permanent brushless DC hub motor Development trend, application prospect is quite wide.

Claims (9)

  1. A kind of 1. three-phase permanent brushless DC hub motor, by wheel hub（1）, rotor wheel end cap（2）, rotor wheel（3）, permanent magnet （33）, central shaft（4）, cable control wire（41）, stator coil body（5）, stator casing（6）, center（7）, PCB（8）、 Heat-dissipating frame（9）Composition, it is characterised in that：
    A kind of three-phase permanent brushless DC hub motor, by wheel hub motor body, hall position detection and electronic controller three It is grouped into, wheel hub motor body part is：
    Described rotor wheel（3）It is the circular shell that an outside is provided with vent rib, middle position is provided with a rotor wheel Heart hole（31）, internal edge is arranged with arc bump（35）, adjacent two arc bumps（35）Between have a permanent magnet Caulking groove（32）, described permanent magnet（33）Embedded permanent magnet caulking groove（32）In；
    Described rotor wheel end cap（2）Middle position have a lower bearing step（21）, central shaft（4）Through rotor wheel center Hole（31）Afterwards, central shaft（4）On lower bearing（44）Insertion is arranged on rotor wheel end cap（2）Lower bearing step（21）In, Rotor wheel end cap（2）Edge portions have nine rotor wheel end cap pilot holes（23）, rotor wheel（3）Edge portions also have nine Rotor wheel pilot hole（34）, screw passes through rotor wheel end cap pilot hole（23）With rotor wheel pilot hole（34）It is connected, rotor wheel end Lid（2）With rotor wheel（3）It is integrated；
    Described rotor wheel end cap（2）Core have a lower bearing step（21）, along lower bearing step（21）Week While there are six fixing bolts（22）, by wheel hub（1）On mounting hole A（11）Through six fixing bolts（22）Afterwards, then by nut By itself and rotor wheel end cap（2）Twist as a whole；
    Described stator coil body（5）It is made up of amorphous alloy core body and line bag, amorphous alloy core body center is shaped as one Individual annulus, stretch out on the outside of annulus it is long-armed, line surround the stretching of amorphous alloy core body it is long-armed on；
    Described center（7）For disc structure, simultaneously there is pillar（73）, center（7）Inside coil deck is distributed with（74）, line Enclose deck（74）Both sides are provided with neck（77）, neck（77）In may be inserted into one piece of position detection pcb board（78）, described position Detect pcb board（78）On be welded with Hall sensor（79）With contact pin pin（791）, Hall sensor is required during welding（79）'s Magnetic induction plane faces permanent magnet（33）；
    Hall position detection part is described position detection pcb board（78）Totally three pieces, installed successively according to 120 degree of angles In coil deck（74）Neck（77）In, its contact pin pin（791）It is each passed through center（7）Bottom plate after be welded on PCB again Circuit board（8）On HA Wiring areas（805）, HB Wiring areas（806）, HC Wiring areas（807）；
    Adjacent coil deck（74）By elastomeric connector（72）Connection, during installation, stator coil body（5）On adjacent lines bag just It is embedded into coil deck well（74）In；
    Described heat-dissipating frame（9）For aluminium profiles material, profile is rounded, and madial wall is the framework of hexagon, on each avris wall Five connecting holes are provided with, the edge of hexagonal-shaped frame has a curved support step（96）, curved support step（96） On be provided with pilot hole D（95）, the PCB of hexagon（8）Installed in heat-dissipating frame（9）Hexagon frame in one end, and By curved support step（96）Supported, when closing up, the cover plate of described hexagon（91）It is covered in curved support step（96） The other end, screw passes through cover plate fixing hole C（93）With pilot hole D（95）, by cover plate（91）With curved support step（96）Twist Together；
    Described heat-dissipating frame（9）On circular arc be provided with heat-dissipating frame mounting hole（94）, during assembling, screw passes through heat-dissipating frame （9）On heat-dissipating frame mounting hole（94）With center（7）On pillar（73）It is connected, then will be with PCB（8）, cover plate （91）Heat-dissipating frame（9）With center（7）, stator coil body（5）One of tight fit imbeds stator casing（6）In；
    Described stator casing（6）On have stator fixed ear with holes（61）, described center（7）On there is center with holes to fix Ear（71）, screw passes through stator fixed ear（61）With center fixed ear（71）On hole after, both are connected as one；
    Electronic controller part is：Electronic component concentrates on PCB（8）On, Surface Mount is welded with ARM chips（80）, signal Conditioning chip（81）, comparator（82）, pre-driver chip（83）, PWM controller（84）, analog line driver（85）, three ends it is steady Depressor（86）, GPS module（87）, wireless receiving module（88）, VMOS pipe（89）, phase current sensing constantan wire（801）, total current Detect constantan wire（802）, high frequency transformer（803）, described VMOS pipes（89）Five are one group, are screwed in respectively Heat-dissipating frame（9）Five connection holes on each avris wall.
  2. 2. integrated permanent magnetism brushless direct current motor according to claim 1, it is characterised in that：PCB（8）On Central position has a circle cable welding hole（804）, described cable control wire（41）One end passes through central shaft（4）On two Individual cable-through hole（42）Afterwards, then it is welded to PCB（8）On cable welding hole（804）Place, other end circumscripted power line, Speed regulator, brake switch and pole changer.
  3. 3. integrated permanent magnetism brushless direct current motor according to claim 1, it is characterised in that：Deposited between described device In following annexation：Comparator（82）Output end and ARM chips（80）I/O pins be connected, comparator（82）It is defeated Enter end with outside brake, turn signal to be connected, signal condition chip（81）Input and outside speed control crank, phase current sensing Constantan wire（801）, total current detection constantan wire（802）It is connected, ARM chips（80）A/D pins respectively with signal condition chip （81）Output end is connected, described pre-driver chip（83）Input is by ARM chips（80）Control, pre-driver chip（83） Output end driving VMOS pipe（89）；
    Described HA Wiring areas（805）, HB Wiring areas（806）, HC Wiring areas（807）Position sensor signal respectively with ARM cores Piece（80）External interrupt pin be connected；
    Described PWM controller（84）With pre-driver chip（83）, high frequency transformer（803）, analog line driver（85）Composition Switching power circuit, described three terminal regulator（86）Form secondary pressure circuit.
  4. 4. integrated permanent magnetism brushless direct current motor according to claim 1, it is characterised in that：GPS module（87）With ARM Chip（80）I/O pins be connected.
  5. 5. integrated permanent magnetism brushless direct current motor according to claim 1, it is characterised in that：
    Described wireless receiving module（88）Using 433MHz wireless common channel, its output pin and ARM chips（80） I/O pins be connected.
  6. 6. integrated permanent magnetism brushless direct current motor according to claim 1, it is characterised in that：Described cover plate（91）For There is central sheath hexagon, middle position（92）, cover plate（91）Edge be provided with cover plate fixing hole（93）, cover plate（91）It is arranged on Heat-dissipating frame（9）Hexagonal-shaped frame in, screw passes through cover plate fixing hole（93）With curved support step（96）On radiating frame Frame mounting hole（94）It is connected.
  7. 7. integrated permanent magnetism brushless direct current motor according to claim 1, it is characterised in that：Described stator casing （6）There is upper bearing (metal) step middle position（62）, described upper bearing (metal)（43）Installed in upper bearing (metal) step（62）In, central shaft（4） Through upper bearing (metal)（43）Unilateral stretching afterwards.
  8. 8. integrated permanent magnetism brushless direct current motor according to claim 1, it is characterised in that：Described central shaft（4） On have a central shaft disk（45）, central shaft disk（45）On be provided with disk fixing hole A（46）, described center（7）On open There is disk fixing hole B（76）, both are fixed together by screw.
  9. 9. integrated permanent magnetism brushless direct current motor according to claim 1, it is characterised in that：Described rotor wheel end cap （2）On be provided with a circle capillary groove（24）, capillary groove（24）Middle embedding sealing rubber ring（25）.
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108667226A (en) * 2018-06-04 2018-10-16 彭希南 A kind of flat three-phase permanent brshless DC motor movement
CN108708868A (en) * 2018-06-04 2018-10-26 彭希南 A kind of frequency conversion axial flow fan
CN108852247A (en) * 2018-06-04 2018-11-23 彭希南 A kind of electric shoes polisher
CN109394272A (en) * 2018-12-24 2019-03-01 彭希南 A kind of Color Sonography numerical indexes formula probe
CN110198111A (en) * 2019-07-09 2019-09-03 彭希南 Electric truck driving three-phase permanent DC Brushless Motor
CN113410935A (en) * 2021-05-25 2021-09-17 东风电驱动***有限公司 In-wheel motor

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US20130307450A1 (en) * 2012-05-15 2013-11-21 Robert Lyle Fuller Electrical Control System
CN106208544A (en) * 2016-09-12 2016-12-07 彭希南 Smoke exhaust ventilator permanent-magnet brushless DC electric machine and controller
CN106224268A (en) * 2016-09-15 2016-12-14 彭希南 DC permanent-magnetic brushless frequency conversion axial flow fan

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130307450A1 (en) * 2012-05-15 2013-11-21 Robert Lyle Fuller Electrical Control System
CN106208544A (en) * 2016-09-12 2016-12-07 彭希南 Smoke exhaust ventilator permanent-magnet brushless DC electric machine and controller
CN106224268A (en) * 2016-09-15 2016-12-14 彭希南 DC permanent-magnetic brushless frequency conversion axial flow fan

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108667226A (en) * 2018-06-04 2018-10-16 彭希南 A kind of flat three-phase permanent brshless DC motor movement
CN108708868A (en) * 2018-06-04 2018-10-26 彭希南 A kind of frequency conversion axial flow fan
CN108852247A (en) * 2018-06-04 2018-11-23 彭希南 A kind of electric shoes polisher
CN108852247B (en) * 2018-06-04 2019-11-12 彭希南 A kind of electric shoes polisher
CN108667226B (en) * 2018-06-04 2020-02-14 彭希南 Flat three-phase permanent magnet brushless direct current motor core
CN109394272A (en) * 2018-12-24 2019-03-01 彭希南 A kind of Color Sonography numerical indexes formula probe
CN109394272B (en) * 2018-12-24 2021-07-20 彭希南 Heart color Doppler ultrasound digital pointer type probe
CN110198111A (en) * 2019-07-09 2019-09-03 彭希南 Electric truck driving three-phase permanent DC Brushless Motor
CN113410935A (en) * 2021-05-25 2021-09-17 东风电驱动***有限公司 In-wheel motor

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